author | Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
Thu, 03 Nov 2016 05:10:14 +0100 | |
changeset 30280 | 0269ab4f4371 |
parent 30163 | f5607b6253da |
permissions | -rw-r--r-- |
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/* |
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pathencode.c - efficient path name encoding |
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Copyright 2012 Facebook |
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This software may be used and distributed according to the terms of |
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the GNU General Public License, incorporated herein by reference. |
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*/ |
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/* |
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* An implementation of the name encoding scheme used by the fncache |
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* store. The common case is of a path < 120 bytes long, which is |
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* handled either in a single pass with no allocations or two passes |
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* with a single allocation. For longer paths, multiple passes are |
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* required. |
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*/ |
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#define PY_SSIZE_T_CLEAN |
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#include <Python.h> |
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#include <assert.h> |
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#include <ctype.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include "util.h" |
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/* state machine for the fast path */ |
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enum path_state { |
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START, /* first byte of a path component */ |
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A, /* "AUX" */ |
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AU, |
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THIRD, /* third of a 3-byte sequence, e.g. "AUX", "NUL" */ |
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C, /* "CON" or "COMn" */ |
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CO, |
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COMLPT, /* "COM" or "LPT" */ |
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COMLPTn, |
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L, |
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LP, |
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N, |
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NU, |
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P, /* "PRN" */ |
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PR, |
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LDOT, /* leading '.' */ |
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DOT, /* '.' in a non-leading position */ |
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H, /* ".h" */ |
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HGDI, /* ".hg", ".d", or ".i" */ |
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SPACE, |
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DEFAULT /* byte of a path component after the first */ |
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}; |
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/* state machine for dir-encoding */ |
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enum dir_state { |
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DDOT, |
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DH, |
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DHGDI, |
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DDEFAULT |
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}; |
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static inline int inset(const uint32_t bitset[], char c) |
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{ |
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return bitset[((uint8_t)c) >> 5] & (1 << (((uint8_t)c) & 31)); |
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} |
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static inline void charcopy(char *dest, Py_ssize_t *destlen, size_t destsize, |
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char c) |
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{ |
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if (dest) { |
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assert(*destlen < destsize); |
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dest[*destlen] = c; |
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} |
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(*destlen)++; |
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} |
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static inline void memcopy(char *dest, Py_ssize_t *destlen, size_t destsize, |
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const void *src, Py_ssize_t len) |
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{ |
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if (dest) { |
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assert(*destlen + len < destsize); |
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memcpy((void *)&dest[*destlen], src, len); |
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} |
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*destlen += len; |
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} |
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static inline void hexencode(char *dest, Py_ssize_t *destlen, size_t destsize, |
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uint8_t c) |
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{ |
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static const char hexdigit[] = "0123456789abcdef"; |
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charcopy(dest, destlen, destsize, hexdigit[c >> 4]); |
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charcopy(dest, destlen, destsize, hexdigit[c & 15]); |
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} |
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/* 3-byte escape: tilde followed by two hex digits */ |
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static inline void escape3(char *dest, Py_ssize_t *destlen, size_t destsize, |
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char c) |
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{ |
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charcopy(dest, destlen, destsize, '~'); |
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hexencode(dest, destlen, destsize, c); |
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} |
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static Py_ssize_t _encodedir(char *dest, size_t destsize, |
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const char *src, Py_ssize_t len) |
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{ |
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enum dir_state state = DDEFAULT; |
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Py_ssize_t i = 0, destlen = 0; |
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while (i < len) { |
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switch (state) { |
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case DDOT: |
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switch (src[i]) { |
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case 'd': |
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case 'i': |
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state = DHGDI; |
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114 |
charcopy(dest, &destlen, destsize, src[i++]); |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
115 |
break; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
116 |
case 'h': |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
117 |
state = DH; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
118 |
charcopy(dest, &destlen, destsize, src[i++]); |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
119 |
break; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
120 |
default: |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
121 |
state = DDEFAULT; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
122 |
break; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
123 |
} |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
124 |
break; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
125 |
case DH: |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
126 |
if (src[i] == 'g') { |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
127 |
state = DHGDI; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
128 |
charcopy(dest, &destlen, destsize, src[i++]); |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
129 |
} |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
130 |
else state = DDEFAULT; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
131 |
break; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
132 |
case DHGDI: |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
133 |
if (src[i] == '/') { |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
134 |
memcopy(dest, &destlen, destsize, ".hg", 3); |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
135 |
charcopy(dest, &destlen, destsize, src[i++]); |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
136 |
} |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
137 |
state = DDEFAULT; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
138 |
break; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
139 |
case DDEFAULT: |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
140 |
if (src[i] == '.') |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
141 |
state = DDOT; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
142 |
charcopy(dest, &destlen, destsize, src[i++]); |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
143 |
break; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
144 |
} |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
145 |
} |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
146 |
|
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
147 |
return destlen; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
148 |
} |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
149 |
|
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
150 |
PyObject *encodedir(PyObject *self, PyObject *args) |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
151 |
{ |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
152 |
Py_ssize_t len, newlen; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
153 |
PyObject *pathobj, *newobj; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
154 |
char *path; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
155 |
|
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
156 |
if (!PyArg_ParseTuple(args, "O:encodedir", &pathobj)) |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
157 |
return NULL; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
158 |
|
30099
e60de7fcad29
pathencode: convert PyString* to PyBytes*
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29340
diff
changeset
|
159 |
if (PyBytes_AsStringAndSize(pathobj, &path, &len) == -1) { |
17606
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
160 |
PyErr_SetString(PyExc_TypeError, "expected a string"); |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
161 |
return NULL; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
162 |
} |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
163 |
|
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
164 |
newlen = len ? _encodedir(NULL, 0, path, len + 1) : 1; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
165 |
|
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
166 |
if (newlen == len + 1) { |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
167 |
Py_INCREF(pathobj); |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
168 |
return pathobj; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
169 |
} |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
170 |
|
30099
e60de7fcad29
pathencode: convert PyString* to PyBytes*
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29340
diff
changeset
|
171 |
newobj = PyBytes_FromStringAndSize(NULL, newlen); |
17606
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
172 |
|
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
173 |
if (newobj) { |
30102
a8c948ee3668
pathencode: use Py_SIZE directly
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30099
diff
changeset
|
174 |
assert(PyBytes_Check(newobj)); |
a8c948ee3668
pathencode: use Py_SIZE directly
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30099
diff
changeset
|
175 |
Py_SIZE(newobj)--; |
30099
e60de7fcad29
pathencode: convert PyString* to PyBytes*
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29340
diff
changeset
|
176 |
_encodedir(PyBytes_AS_STRING(newobj), newlen, path, |
17606
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
177 |
len + 1); |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
178 |
} |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
179 |
|
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
180 |
return newobj; |
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
181 |
} |
17616
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
182 |
|
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
183 |
static Py_ssize_t _encode(const uint32_t twobytes[8], const uint32_t onebyte[8], |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
184 |
char *dest, Py_ssize_t destlen, size_t destsize, |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
185 |
const char *src, Py_ssize_t len, |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
186 |
int encodedir) |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
187 |
{ |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
188 |
enum path_state state = START; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
189 |
Py_ssize_t i = 0; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
190 |
|
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
191 |
/* |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
192 |
* Python strings end with a zero byte, which we use as a |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
193 |
* terminal token as they are not valid inside path names. |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
194 |
*/ |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
195 |
|
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
196 |
while (i < len) { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
197 |
switch (state) { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
198 |
case START: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
199 |
switch (src[i]) { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
200 |
case '/': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
201 |
charcopy(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
202 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
203 |
case '.': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
204 |
state = LDOT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
205 |
escape3(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
206 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
207 |
case ' ': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
208 |
state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
209 |
escape3(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
210 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
211 |
case 'a': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
212 |
state = A; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
213 |
charcopy(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
214 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
215 |
case 'c': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
216 |
state = C; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
217 |
charcopy(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
218 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
219 |
case 'l': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
220 |
state = L; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
221 |
charcopy(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
222 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
223 |
case 'n': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
224 |
state = N; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
225 |
charcopy(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
226 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
227 |
case 'p': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
228 |
state = P; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
229 |
charcopy(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
230 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
231 |
default: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
232 |
state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
233 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
234 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
235 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
236 |
case A: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
237 |
if (src[i] == 'u') { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
238 |
state = AU; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
239 |
charcopy(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
240 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
241 |
else state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
242 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
243 |
case AU: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
244 |
if (src[i] == 'x') { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
245 |
state = THIRD; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
246 |
i++; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
247 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
248 |
else state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
249 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
250 |
case THIRD: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
251 |
state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
252 |
switch (src[i]) { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
253 |
case '.': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
254 |
case '/': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
255 |
case '\0': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
256 |
escape3(dest, &destlen, destsize, src[i - 1]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
257 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
258 |
default: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
259 |
i--; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
260 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
261 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
262 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
263 |
case C: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
264 |
if (src[i] == 'o') { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
265 |
state = CO; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
266 |
charcopy(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
267 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
268 |
else state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
269 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
270 |
case CO: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
271 |
if (src[i] == 'm') { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
272 |
state = COMLPT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
273 |
i++; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
274 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
275 |
else if (src[i] == 'n') { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
276 |
state = THIRD; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
277 |
i++; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
278 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
279 |
else state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
280 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
281 |
case COMLPT: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
282 |
switch (src[i]) { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
283 |
case '1': case '2': case '3': case '4': case '5': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
284 |
case '6': case '7': case '8': case '9': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
285 |
state = COMLPTn; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
286 |
i++; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
287 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
288 |
default: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
289 |
state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
290 |
charcopy(dest, &destlen, destsize, src[i - 1]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
291 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
292 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
293 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
294 |
case COMLPTn: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
295 |
state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
296 |
switch (src[i]) { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
297 |
case '.': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
298 |
case '/': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
299 |
case '\0': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
300 |
escape3(dest, &destlen, destsize, src[i - 2]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
301 |
charcopy(dest, &destlen, destsize, src[i - 1]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
302 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
303 |
default: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
304 |
memcopy(dest, &destlen, destsize, |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
305 |
&src[i - 2], 2); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
306 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
307 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
308 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
309 |
case L: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
310 |
if (src[i] == 'p') { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
311 |
state = LP; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
312 |
charcopy(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
313 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
314 |
else state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
315 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
316 |
case LP: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
317 |
if (src[i] == 't') { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
318 |
state = COMLPT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
319 |
i++; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
320 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
321 |
else state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
322 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
323 |
case N: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
324 |
if (src[i] == 'u') { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
325 |
state = NU; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
326 |
charcopy(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
327 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
328 |
else state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
329 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
330 |
case NU: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
331 |
if (src[i] == 'l') { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
332 |
state = THIRD; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
333 |
i++; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
334 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
335 |
else state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
336 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
337 |
case P: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
338 |
if (src[i] == 'r') { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
339 |
state = PR; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
340 |
charcopy(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
341 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
342 |
else state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
343 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
344 |
case PR: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
345 |
if (src[i] == 'n') { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
346 |
state = THIRD; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
347 |
i++; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
348 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
349 |
else state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
350 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
351 |
case LDOT: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
352 |
switch (src[i]) { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
353 |
case 'd': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
354 |
case 'i': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
355 |
state = HGDI; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
356 |
charcopy(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
357 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
358 |
case 'h': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
359 |
state = H; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
360 |
charcopy(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
361 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
362 |
default: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
363 |
state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
364 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
365 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
366 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
367 |
case DOT: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
368 |
switch (src[i]) { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
369 |
case '/': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
370 |
case '\0': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
371 |
state = START; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
372 |
memcopy(dest, &destlen, destsize, "~2e", 3); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
373 |
charcopy(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
374 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
375 |
case 'd': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
376 |
case 'i': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
377 |
state = HGDI; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
378 |
charcopy(dest, &destlen, destsize, '.'); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
379 |
charcopy(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
380 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
381 |
case 'h': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
382 |
state = H; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
383 |
memcopy(dest, &destlen, destsize, ".h", 2); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
384 |
i++; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
385 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
386 |
default: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
387 |
state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
388 |
charcopy(dest, &destlen, destsize, '.'); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
389 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
390 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
391 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
392 |
case H: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
393 |
if (src[i] == 'g') { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
394 |
state = HGDI; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
395 |
charcopy(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
396 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
397 |
else state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
398 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
399 |
case HGDI: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
400 |
if (src[i] == '/') { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
401 |
state = START; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
402 |
if (encodedir) |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
403 |
memcopy(dest, &destlen, destsize, ".hg", |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
404 |
3); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
405 |
charcopy(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
406 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
407 |
else state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
408 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
409 |
case SPACE: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
410 |
switch (src[i]) { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
411 |
case '/': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
412 |
case '\0': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
413 |
state = START; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
414 |
memcopy(dest, &destlen, destsize, "~20", 3); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
415 |
charcopy(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
416 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
417 |
default: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
418 |
state = DEFAULT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
419 |
charcopy(dest, &destlen, destsize, ' '); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
420 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
421 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
422 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
423 |
case DEFAULT: |
17699
0696b1793f4b
pathencode: change isset name to avoid name collision
André Sintzoff <andre.sintzoff@gmail.com>
parents:
17692
diff
changeset
|
424 |
while (inset(onebyte, src[i])) { |
17616
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
425 |
charcopy(dest, &destlen, destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
426 |
if (i == len) |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
427 |
goto done; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
428 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
429 |
switch (src[i]) { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
430 |
case '.': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
431 |
state = DOT; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
432 |
i++; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
433 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
434 |
case ' ': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
435 |
state = SPACE; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
436 |
i++; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
437 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
438 |
case '/': |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
439 |
state = START; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
440 |
charcopy(dest, &destlen, destsize, '/'); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
441 |
i++; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
442 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
443 |
default: |
17699
0696b1793f4b
pathencode: change isset name to avoid name collision
André Sintzoff <andre.sintzoff@gmail.com>
parents:
17692
diff
changeset
|
444 |
if (inset(onebyte, src[i])) { |
17616
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
445 |
do { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
446 |
charcopy(dest, &destlen, |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
447 |
destsize, src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
448 |
} while (i < len && |
17699
0696b1793f4b
pathencode: change isset name to avoid name collision
André Sintzoff <andre.sintzoff@gmail.com>
parents:
17692
diff
changeset
|
449 |
inset(onebyte, src[i])); |
17616
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
450 |
} |
17699
0696b1793f4b
pathencode: change isset name to avoid name collision
André Sintzoff <andre.sintzoff@gmail.com>
parents:
17692
diff
changeset
|
451 |
else if (inset(twobytes, src[i])) { |
17616
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
452 |
char c = src[i++]; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
453 |
charcopy(dest, &destlen, destsize, '_'); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
454 |
charcopy(dest, &destlen, destsize, |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
455 |
c == '_' ? '_' : c + 32); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
456 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
457 |
else |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
458 |
escape3(dest, &destlen, destsize, |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
459 |
src[i++]); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
460 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
461 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
462 |
break; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
463 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
464 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
465 |
done: |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
466 |
return destlen; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
467 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
468 |
|
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
469 |
static Py_ssize_t basicencode(char *dest, size_t destsize, |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
470 |
const char *src, Py_ssize_t len) |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
471 |
{ |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
472 |
static const uint32_t twobytes[8] = { 0, 0, 0x87fffffe }; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
473 |
|
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
474 |
static const uint32_t onebyte[8] = { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
475 |
1, 0x2bff3bfa, 0x68000001, 0x2fffffff, |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
476 |
}; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
477 |
|
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
478 |
Py_ssize_t destlen = 0; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
479 |
|
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
480 |
return _encode(twobytes, onebyte, dest, destlen, destsize, |
17691
c6c7e466dd3a
pathencode: simplify basicencode
Adrian Buehlmann <adrian@cadifra.com>
parents:
17616
diff
changeset
|
481 |
src, len, 1); |
17616
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
482 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
483 |
|
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
484 |
static const Py_ssize_t maxstorepathlen = 120; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
485 |
|
18430
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
486 |
static Py_ssize_t _lowerencode(char *dest, size_t destsize, |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
487 |
const char *src, Py_ssize_t len) |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
488 |
{ |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
489 |
static const uint32_t onebyte[8] = { |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
490 |
1, 0x2bfffbfb, 0xe8000001, 0x2fffffff |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
491 |
}; |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
492 |
|
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
493 |
static const uint32_t lower[8] = { 0, 0, 0x7fffffe }; |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
494 |
|
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
495 |
Py_ssize_t i, destlen = 0; |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
496 |
|
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
497 |
for (i = 0; i < len; i++) { |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
498 |
if (inset(onebyte, src[i])) |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
499 |
charcopy(dest, &destlen, destsize, src[i]); |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
500 |
else if (inset(lower, src[i])) |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
501 |
charcopy(dest, &destlen, destsize, src[i] + 32); |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
502 |
else |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
503 |
escape3(dest, &destlen, destsize, src[i]); |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
504 |
} |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
505 |
|
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
506 |
return destlen; |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
507 |
} |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
508 |
|
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
509 |
PyObject *lowerencode(PyObject *self, PyObject *args) |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
510 |
{ |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
511 |
char *path; |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
512 |
Py_ssize_t len, newlen; |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
513 |
PyObject *ret; |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
514 |
|
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
515 |
if (!PyArg_ParseTuple(args, "s#:lowerencode", &path, &len)) |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
516 |
return NULL; |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
517 |
|
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
518 |
newlen = _lowerencode(NULL, 0, path, len); |
30099
e60de7fcad29
pathencode: convert PyString* to PyBytes*
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29340
diff
changeset
|
519 |
ret = PyBytes_FromStringAndSize(NULL, newlen); |
18430
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
520 |
if (ret) |
30099
e60de7fcad29
pathencode: convert PyString* to PyBytes*
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29340
diff
changeset
|
521 |
_lowerencode(PyBytes_AS_STRING(ret), newlen, path, len); |
18430
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
522 |
|
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
523 |
return ret; |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
524 |
} |
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17699
diff
changeset
|
525 |
|
18433
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
526 |
/* See store.py:_auxencode for a description. */ |
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
527 |
static Py_ssize_t auxencode(char *dest, size_t destsize, |
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
528 |
const char *src, Py_ssize_t len) |
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
529 |
{ |
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
530 |
static const uint32_t twobytes[8]; |
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
531 |
|
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
532 |
static const uint32_t onebyte[8] = { |
20535
5f683209f5b6
pathencode: eliminate signed integer warnings
Danek Duvall <danek.duvall@oracle.com>
parents:
19317
diff
changeset
|
533 |
~0U, 0xffff3ffe, ~0U, ~0U, ~0U, ~0U, ~0U, ~0U, |
18433
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
534 |
}; |
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
535 |
|
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
536 |
return _encode(twobytes, onebyte, dest, 0, destsize, src, len, 0); |
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
537 |
} |
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
538 |
|
18432
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
539 |
static PyObject *hashmangle(const char *src, Py_ssize_t len, const char sha[20]) |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
540 |
{ |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
541 |
static const Py_ssize_t dirprefixlen = 8; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
542 |
static const Py_ssize_t maxshortdirslen = 68; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
543 |
char *dest; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
544 |
PyObject *ret; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
545 |
|
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
546 |
Py_ssize_t i, d, p, lastslash = len - 1, lastdot = -1; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
547 |
Py_ssize_t destsize, destlen = 0, slop, used; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
548 |
|
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
549 |
while (lastslash >= 0 && src[lastslash] != '/') { |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
550 |
if (src[lastslash] == '.' && lastdot == -1) |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
551 |
lastdot = lastslash; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
552 |
lastslash--; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
553 |
} |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
554 |
|
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
555 |
#if 0 |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
556 |
/* All paths should end in a suffix of ".i" or ".d". |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
557 |
Unfortunately, the file names in test-hybridencode.py |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
558 |
violate this rule. */ |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
559 |
if (lastdot != len - 3) { |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
560 |
PyErr_SetString(PyExc_ValueError, |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
561 |
"suffix missing or wrong length"); |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
562 |
return NULL; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
563 |
} |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
564 |
#endif |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
565 |
|
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
566 |
/* If src contains a suffix, we will append it to the end of |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
567 |
the new string, so make room. */ |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
568 |
destsize = 120; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
569 |
if (lastdot >= 0) |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
570 |
destsize += len - lastdot - 1; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
571 |
|
30099
e60de7fcad29
pathencode: convert PyString* to PyBytes*
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29340
diff
changeset
|
572 |
ret = PyBytes_FromStringAndSize(NULL, destsize); |
18432
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
573 |
if (ret == NULL) |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
574 |
return NULL; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
575 |
|
30099
e60de7fcad29
pathencode: convert PyString* to PyBytes*
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29340
diff
changeset
|
576 |
dest = PyBytes_AS_STRING(ret); |
18432
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
577 |
memcopy(dest, &destlen, destsize, "dh/", 3); |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
578 |
|
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
579 |
/* Copy up to dirprefixlen bytes of each path component, up to |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
580 |
a limit of maxshortdirslen bytes. */ |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
581 |
for (i = d = p = 0; i < lastslash; i++, p++) { |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
582 |
if (src[i] == '/') { |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
583 |
char d = dest[destlen - 1]; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
584 |
/* After truncation, a directory name may end |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
585 |
in a space or dot, which are unportable. */ |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
586 |
if (d == '.' || d == ' ') |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
587 |
dest[destlen - 1] = '_'; |
19317
66da6e9feacd
pathencode: fix hashmangle short dir limit (issue3958)
Siddharth Agarwal <sid0@fb.com>
parents:
19185
diff
changeset
|
588 |
/* The + 3 is to account for "dh/" in the beginning */ |
66da6e9feacd
pathencode: fix hashmangle short dir limit (issue3958)
Siddharth Agarwal <sid0@fb.com>
parents:
19185
diff
changeset
|
589 |
if (destlen > maxshortdirslen + 3) |
18432
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
590 |
break; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
591 |
charcopy(dest, &destlen, destsize, src[i]); |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
592 |
p = -1; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
593 |
} |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
594 |
else if (p < dirprefixlen) |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
595 |
charcopy(dest, &destlen, destsize, src[i]); |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
596 |
} |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
597 |
|
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
598 |
/* Rewind to just before the last slash copied. */ |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
599 |
if (destlen > maxshortdirslen + 3) |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
600 |
do { |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
601 |
destlen--; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
602 |
} while (destlen > 0 && dest[destlen] != '/'); |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
603 |
|
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
604 |
if (destlen > 3) { |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
605 |
if (lastslash > 0) { |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
606 |
char d = dest[destlen - 1]; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
607 |
/* The last directory component may be |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
608 |
truncated, so make it safe. */ |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
609 |
if (d == '.' || d == ' ') |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
610 |
dest[destlen - 1] = '_'; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
611 |
} |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
612 |
|
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
613 |
charcopy(dest, &destlen, destsize, '/'); |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
614 |
} |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
615 |
|
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
616 |
/* Add a prefix of the original file's name. Its length |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
617 |
depends on the number of bytes left after accounting for |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
618 |
hash and suffix. */ |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
619 |
used = destlen + 40; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
620 |
if (lastdot >= 0) |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
621 |
used += len - lastdot - 1; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
622 |
slop = maxstorepathlen - used; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
623 |
if (slop > 0) { |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
624 |
Py_ssize_t basenamelen = |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
625 |
lastslash >= 0 ? len - lastslash - 2 : len - 1; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
626 |
|
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
627 |
if (basenamelen > slop) |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
628 |
basenamelen = slop; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
629 |
if (basenamelen > 0) |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
630 |
memcopy(dest, &destlen, destsize, &src[lastslash + 1], |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
631 |
basenamelen); |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
632 |
} |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
633 |
|
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
634 |
/* Add hash and suffix. */ |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
635 |
for (i = 0; i < 20; i++) |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
636 |
hexencode(dest, &destlen, destsize, sha[i]); |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
637 |
|
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
638 |
if (lastdot >= 0) |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
639 |
memcopy(dest, &destlen, destsize, &src[lastdot], |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
640 |
len - lastdot - 1); |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
641 |
|
30163
f5607b6253da
pathencode: use assert() for PyBytes_Check()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30102
diff
changeset
|
642 |
assert(PyBytes_Check(ret)); |
30102
a8c948ee3668
pathencode: use Py_SIZE directly
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30099
diff
changeset
|
643 |
Py_SIZE(ret) = destlen; |
18432
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
644 |
|
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
645 |
return ret; |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
646 |
} |
39954be8ece7
pathencode: implement the "mangling" part of hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18431
diff
changeset
|
647 |
|
17616
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
648 |
/* |
18431
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
649 |
* Avoiding a trip through Python would improve performance by 50%, |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
650 |
* but we don't encounter enough long names to be worth the code. |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
651 |
*/ |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
652 |
static int sha1hash(char hash[20], const char *str, Py_ssize_t len) |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
653 |
{ |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
654 |
static PyObject *shafunc; |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
655 |
PyObject *shaobj, *hashobj; |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
656 |
|
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
657 |
if (shafunc == NULL) { |
30099
e60de7fcad29
pathencode: convert PyString* to PyBytes*
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29340
diff
changeset
|
658 |
PyObject *hashlib, *name = PyBytes_FromString("hashlib"); |
18431
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
659 |
|
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
660 |
if (name == NULL) |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
661 |
return -1; |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
662 |
|
29340
ae92c3eee88e
pathencode: use hashlib.sha1 directly instead of indirecting through util
Augie Fackler <raf@durin42.com>
parents:
27342
diff
changeset
|
663 |
hashlib = PyImport_Import(name); |
18431
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
664 |
Py_DECREF(name); |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
665 |
|
29340
ae92c3eee88e
pathencode: use hashlib.sha1 directly instead of indirecting through util
Augie Fackler <raf@durin42.com>
parents:
27342
diff
changeset
|
666 |
if (hashlib == NULL) { |
ae92c3eee88e
pathencode: use hashlib.sha1 directly instead of indirecting through util
Augie Fackler <raf@durin42.com>
parents:
27342
diff
changeset
|
667 |
PyErr_SetString(PyExc_ImportError, "hashlib"); |
18431
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
668 |
return -1; |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
669 |
} |
29340
ae92c3eee88e
pathencode: use hashlib.sha1 directly instead of indirecting through util
Augie Fackler <raf@durin42.com>
parents:
27342
diff
changeset
|
670 |
shafunc = PyObject_GetAttrString(hashlib, "sha1"); |
ae92c3eee88e
pathencode: use hashlib.sha1 directly instead of indirecting through util
Augie Fackler <raf@durin42.com>
parents:
27342
diff
changeset
|
671 |
Py_DECREF(hashlib); |
18431
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
672 |
|
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
673 |
if (shafunc == NULL) { |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
674 |
PyErr_SetString(PyExc_AttributeError, |
29340
ae92c3eee88e
pathencode: use hashlib.sha1 directly instead of indirecting through util
Augie Fackler <raf@durin42.com>
parents:
27342
diff
changeset
|
675 |
"module 'hashlib' has no " |
18431
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
676 |
"attribute 'sha1'"); |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
677 |
return -1; |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
678 |
} |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
679 |
} |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
680 |
|
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
681 |
shaobj = PyObject_CallFunction(shafunc, "s#", str, len); |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
682 |
|
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
683 |
if (shaobj == NULL) |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
684 |
return -1; |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
685 |
|
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
686 |
hashobj = PyObject_CallMethod(shaobj, "digest", ""); |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
687 |
Py_DECREF(shaobj); |
26050
822f46b80fa9
pathencode: check result of .digest() method in sha1hash
Augie Fackler <augie@google.com>
parents:
20535
diff
changeset
|
688 |
if (hashobj == NULL) |
822f46b80fa9
pathencode: check result of .digest() method in sha1hash
Augie Fackler <augie@google.com>
parents:
20535
diff
changeset
|
689 |
return -1; |
18431
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
690 |
|
30099
e60de7fcad29
pathencode: convert PyString* to PyBytes*
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29340
diff
changeset
|
691 |
if (!PyBytes_Check(hashobj) || PyBytes_GET_SIZE(hashobj) != 20) { |
18431
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
692 |
PyErr_SetString(PyExc_TypeError, |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
693 |
"result of digest is not a 20-byte hash"); |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
694 |
Py_DECREF(hashobj); |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
695 |
return -1; |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
696 |
} |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
697 |
|
30099
e60de7fcad29
pathencode: convert PyString* to PyBytes*
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29340
diff
changeset
|
698 |
memcpy(hash, PyBytes_AS_STRING(hashobj), 20); |
18431
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
699 |
Py_DECREF(hashobj); |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
700 |
return 0; |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
701 |
} |
3aa9b2136593
pathencode: add a SHA-1 hash function
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
702 |
|
19185
8bed40e02c3b
pathencode: grow buffers to increase safety margin
Matt Mackall <mpm@selenic.com>
parents:
19051
diff
changeset
|
703 |
#define MAXENCODE 4096 * 4 |
18452
8bd338c7c4c9
pathencode: don't use alloca() for safety/portability
Matt Mackall <mpm@selenic.com>
parents:
18434
diff
changeset
|
704 |
|
18433
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
705 |
static PyObject *hashencode(const char *src, Py_ssize_t len) |
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
706 |
{ |
18452
8bd338c7c4c9
pathencode: don't use alloca() for safety/portability
Matt Mackall <mpm@selenic.com>
parents:
18434
diff
changeset
|
707 |
char dired[MAXENCODE]; |
8bd338c7c4c9
pathencode: don't use alloca() for safety/portability
Matt Mackall <mpm@selenic.com>
parents:
18434
diff
changeset
|
708 |
char lowered[MAXENCODE]; |
8bd338c7c4c9
pathencode: don't use alloca() for safety/portability
Matt Mackall <mpm@selenic.com>
parents:
18434
diff
changeset
|
709 |
char auxed[MAXENCODE]; |
8bd338c7c4c9
pathencode: don't use alloca() for safety/portability
Matt Mackall <mpm@selenic.com>
parents:
18434
diff
changeset
|
710 |
Py_ssize_t dirlen, lowerlen, auxlen, baselen; |
18433
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
711 |
char sha[20]; |
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
712 |
|
18452
8bd338c7c4c9
pathencode: don't use alloca() for safety/portability
Matt Mackall <mpm@selenic.com>
parents:
18434
diff
changeset
|
713 |
baselen = (len - 5) * 3; |
8bd338c7c4c9
pathencode: don't use alloca() for safety/portability
Matt Mackall <mpm@selenic.com>
parents:
18434
diff
changeset
|
714 |
if (baselen >= MAXENCODE) { |
8bd338c7c4c9
pathencode: don't use alloca() for safety/portability
Matt Mackall <mpm@selenic.com>
parents:
18434
diff
changeset
|
715 |
PyErr_SetString(PyExc_ValueError, "string too long"); |
8bd338c7c4c9
pathencode: don't use alloca() for safety/portability
Matt Mackall <mpm@selenic.com>
parents:
18434
diff
changeset
|
716 |
return NULL; |
8bd338c7c4c9
pathencode: don't use alloca() for safety/portability
Matt Mackall <mpm@selenic.com>
parents:
18434
diff
changeset
|
717 |
} |
8bd338c7c4c9
pathencode: don't use alloca() for safety/portability
Matt Mackall <mpm@selenic.com>
parents:
18434
diff
changeset
|
718 |
|
18433
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
719 |
dirlen = _encodedir(dired, baselen, src, len); |
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
720 |
if (sha1hash(sha, dired, dirlen - 1) == -1) |
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
721 |
return NULL; |
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
722 |
lowerlen = _lowerencode(lowered, baselen, dired + 5, dirlen - 5); |
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
723 |
auxlen = auxencode(auxed, baselen, lowered, lowerlen); |
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
724 |
return hashmangle(auxed, auxlen, sha); |
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
725 |
} |
79f4a2a8f248
pathencode: implement hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18432
diff
changeset
|
726 |
|
17616
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
727 |
PyObject *pathencode(PyObject *self, PyObject *args) |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
728 |
{ |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
729 |
Py_ssize_t len, newlen; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
730 |
PyObject *pathobj, *newobj; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
731 |
char *path; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
732 |
|
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
733 |
if (!PyArg_ParseTuple(args, "O:pathencode", &pathobj)) |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
734 |
return NULL; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
735 |
|
30099
e60de7fcad29
pathencode: convert PyString* to PyBytes*
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29340
diff
changeset
|
736 |
if (PyBytes_AsStringAndSize(pathobj, &path, &len) == -1) { |
17616
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
737 |
PyErr_SetString(PyExc_TypeError, "expected a string"); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
738 |
return NULL; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
739 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
740 |
|
18434
3807ec0c6bba
pathencode: implement both basic and hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18433
diff
changeset
|
741 |
if (len > maxstorepathlen) |
3807ec0c6bba
pathencode: implement both basic and hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18433
diff
changeset
|
742 |
newlen = maxstorepathlen + 2; |
3807ec0c6bba
pathencode: implement both basic and hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18433
diff
changeset
|
743 |
else |
3807ec0c6bba
pathencode: implement both basic and hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18433
diff
changeset
|
744 |
newlen = len ? basicencode(NULL, 0, path, len + 1) : 1; |
17616
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
745 |
|
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
746 |
if (newlen <= maxstorepathlen + 1) { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
747 |
if (newlen == len + 1) { |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
748 |
Py_INCREF(pathobj); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
749 |
return pathobj; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
750 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
751 |
|
30099
e60de7fcad29
pathencode: convert PyString* to PyBytes*
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29340
diff
changeset
|
752 |
newobj = PyBytes_FromStringAndSize(NULL, newlen); |
17616
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
753 |
|
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
754 |
if (newobj) { |
30163
f5607b6253da
pathencode: use assert() for PyBytes_Check()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30102
diff
changeset
|
755 |
assert(PyBytes_Check(newobj)); |
30102
a8c948ee3668
pathencode: use Py_SIZE directly
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30099
diff
changeset
|
756 |
Py_SIZE(newobj)--; |
30099
e60de7fcad29
pathencode: convert PyString* to PyBytes*
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29340
diff
changeset
|
757 |
basicencode(PyBytes_AS_STRING(newobj), newlen, path, |
17616
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
758 |
len + 1); |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
759 |
} |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
760 |
} |
18434
3807ec0c6bba
pathencode: implement both basic and hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18433
diff
changeset
|
761 |
else |
3807ec0c6bba
pathencode: implement both basic and hashed encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
18433
diff
changeset
|
762 |
newobj = hashencode(path, len + 1); |
17616
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
763 |
|
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
764 |
return newobj; |
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
765 |
} |