Mercurial > hg
annotate mercurial/cext/charencode.c @ 33798:2cd5aba5e1d2
scmutil: use util.shellquote instead of %r
Changes some output, but also resolves differences with Python 3.
Differential Revision: https://phab.mercurial-scm.org/D301
author | Augie Fackler <augie@google.com> |
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date | Wed, 26 Jul 2017 23:47:54 -0400 |
parents | a22339d389d4 |
children | 4ba863c88135 |
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1 /* |
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2 charencode.c - miscellaneous character encoding |
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3 |
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4 Copyright 2008 Matt Mackall <mpm@selenic.com> and others |
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5 |
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6 This software may be used and distributed according to the terms of |
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7 the GNU General Public License, incorporated herein by reference. |
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8 */ |
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9 |
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10 #define PY_SSIZE_T_CLEAN |
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11 #include <Python.h> |
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12 |
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13 #include "charencode.h" |
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14 #include "util.h" |
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15 |
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16 static const char lowertable[128] = { |
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17 '\x00', '\x01', '\x02', '\x03', '\x04', '\x05', '\x06', '\x07', |
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18 '\x08', '\x09', '\x0a', '\x0b', '\x0c', '\x0d', '\x0e', '\x0f', |
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19 '\x10', '\x11', '\x12', '\x13', '\x14', '\x15', '\x16', '\x17', |
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20 '\x18', '\x19', '\x1a', '\x1b', '\x1c', '\x1d', '\x1e', '\x1f', |
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21 '\x20', '\x21', '\x22', '\x23', '\x24', '\x25', '\x26', '\x27', |
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22 '\x28', '\x29', '\x2a', '\x2b', '\x2c', '\x2d', '\x2e', '\x2f', |
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23 '\x30', '\x31', '\x32', '\x33', '\x34', '\x35', '\x36', '\x37', |
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24 '\x38', '\x39', '\x3a', '\x3b', '\x3c', '\x3d', '\x3e', '\x3f', |
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25 '\x40', |
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26 '\x61', '\x62', '\x63', '\x64', '\x65', '\x66', '\x67', /* A-G */ |
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27 '\x68', '\x69', '\x6a', '\x6b', '\x6c', '\x6d', '\x6e', '\x6f', /* H-O */ |
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28 '\x70', '\x71', '\x72', '\x73', '\x74', '\x75', '\x76', '\x77', /* P-W */ |
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29 '\x78', '\x79', '\x7a', /* X-Z */ |
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30 '\x5b', '\x5c', '\x5d', '\x5e', '\x5f', |
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31 '\x60', '\x61', '\x62', '\x63', '\x64', '\x65', '\x66', '\x67', |
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32 '\x68', '\x69', '\x6a', '\x6b', '\x6c', '\x6d', '\x6e', '\x6f', |
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33 '\x70', '\x71', '\x72', '\x73', '\x74', '\x75', '\x76', '\x77', |
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34 '\x78', '\x79', '\x7a', '\x7b', '\x7c', '\x7d', '\x7e', '\x7f' |
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35 }; |
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36 |
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37 static const char uppertable[128] = { |
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38 '\x00', '\x01', '\x02', '\x03', '\x04', '\x05', '\x06', '\x07', |
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39 '\x08', '\x09', '\x0a', '\x0b', '\x0c', '\x0d', '\x0e', '\x0f', |
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40 '\x10', '\x11', '\x12', '\x13', '\x14', '\x15', '\x16', '\x17', |
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41 '\x18', '\x19', '\x1a', '\x1b', '\x1c', '\x1d', '\x1e', '\x1f', |
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42 '\x20', '\x21', '\x22', '\x23', '\x24', '\x25', '\x26', '\x27', |
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43 '\x28', '\x29', '\x2a', '\x2b', '\x2c', '\x2d', '\x2e', '\x2f', |
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44 '\x30', '\x31', '\x32', '\x33', '\x34', '\x35', '\x36', '\x37', |
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45 '\x38', '\x39', '\x3a', '\x3b', '\x3c', '\x3d', '\x3e', '\x3f', |
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46 '\x40', '\x41', '\x42', '\x43', '\x44', '\x45', '\x46', '\x47', |
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47 '\x48', '\x49', '\x4a', '\x4b', '\x4c', '\x4d', '\x4e', '\x4f', |
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48 '\x50', '\x51', '\x52', '\x53', '\x54', '\x55', '\x56', '\x57', |
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49 '\x58', '\x59', '\x5a', '\x5b', '\x5c', '\x5d', '\x5e', '\x5f', |
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50 '\x60', |
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51 '\x41', '\x42', '\x43', '\x44', '\x45', '\x46', '\x47', /* a-g */ |
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52 '\x48', '\x49', '\x4a', '\x4b', '\x4c', '\x4d', '\x4e', '\x4f', /* h-o */ |
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53 '\x50', '\x51', '\x52', '\x53', '\x54', '\x55', '\x56', '\x57', /* p-w */ |
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54 '\x58', '\x59', '\x5a', /* x-z */ |
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55 '\x7b', '\x7c', '\x7d', '\x7e', '\x7f' |
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56 }; |
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57 |
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58 /* |
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59 * Turn a hex-encoded string into binary. |
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60 */ |
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61 PyObject *unhexlify(const char *str, Py_ssize_t len) |
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62 { |
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63 PyObject *ret; |
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64 char *d; |
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65 Py_ssize_t i; |
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66 |
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67 ret = PyBytes_FromStringAndSize(NULL, len / 2); |
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68 |
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69 if (!ret) |
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70 return NULL; |
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71 |
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72 d = PyBytes_AsString(ret); |
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73 |
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74 for (i = 0; i < len;) { |
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75 int hi = hexdigit(str, i++); |
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76 int lo = hexdigit(str, i++); |
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77 *d++ = (hi << 4) | lo; |
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78 } |
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79 |
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80 return ret; |
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81 } |
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82 |
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83 static inline PyObject *_asciitransform(PyObject *str_obj, |
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84 const char table[128], |
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85 PyObject *fallback_fn) |
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86 { |
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87 char *str, *newstr; |
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88 Py_ssize_t i, len; |
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89 PyObject *newobj = NULL; |
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90 PyObject *ret = NULL; |
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91 |
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92 str = PyBytes_AS_STRING(str_obj); |
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93 len = PyBytes_GET_SIZE(str_obj); |
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94 |
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95 newobj = PyBytes_FromStringAndSize(NULL, len); |
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96 if (!newobj) |
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97 goto quit; |
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98 |
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99 newstr = PyBytes_AS_STRING(newobj); |
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100 |
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101 for (i = 0; i < len; i++) { |
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102 char c = str[i]; |
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103 if (c & 0x80) { |
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|
104 if (fallback_fn != NULL) { |
e4a733c34bc6
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diff
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|
105 ret = PyObject_CallFunctionObjArgs(fallback_fn, |
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parents:
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diff
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|
106 str_obj, NULL); |
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parsers._asciitransform: also accept a fallback function
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diff
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|
107 } else { |
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parsers._asciitransform: also accept a fallback function
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diff
changeset
|
108 PyObject *err = PyUnicodeDecodeError_Create( |
e4a733c34bc6
parsers._asciitransform: also accept a fallback function
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24577
diff
changeset
|
109 "ascii", str, len, i, (i + 1), |
e4a733c34bc6
parsers._asciitransform: also accept a fallback function
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|
110 "unexpected code byte"); |
e4a733c34bc6
parsers._asciitransform: also accept a fallback function
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diff
changeset
|
111 PyErr_SetObject(PyExc_UnicodeDecodeError, err); |
e4a733c34bc6
parsers._asciitransform: also accept a fallback function
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|
112 Py_XDECREF(err); |
e4a733c34bc6
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|
113 } |
22778
80f2b63dd83a
parsers: add a function to efficiently lowercase ASCII strings
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|
114 goto quit; |
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|
115 } |
24576
fe173106e7fe
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24575
diff
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|
116 newstr[i] = table[(unsigned char)c]; |
22778
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|
117 } |
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|
118 |
24575
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parsers._asciilower: use an explicit return object
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|
119 ret = newobj; |
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|
120 Py_INCREF(ret); |
22778
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121 quit: |
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|
122 Py_XDECREF(newobj); |
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|
123 return ret; |
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|
124 } |
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|
125 |
33757
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cext: split character encoding functions to new compilation unit
Yuya Nishihara <yuya@tcha.org>
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|
126 PyObject *asciilower(PyObject *self, PyObject *args) |
24574
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127 { |
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|
128 PyObject *str_obj; |
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|
129 if (!PyArg_ParseTuple(args, "O!:asciilower", &PyBytes_Type, &str_obj)) |
e97a00bf18ae
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|
130 return NULL; |
24606
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|
131 return _asciitransform(str_obj, lowertable, NULL); |
24574
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|
132 } |
e97a00bf18ae
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|
133 |
33757
e9996bd7203f
cext: split character encoding functions to new compilation unit
Yuya Nishihara <yuya@tcha.org>
parents:
33756
diff
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|
134 PyObject *asciiupper(PyObject *self, PyObject *args) |
24577
bf55df007535
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|
135 { |
bf55df007535
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|
136 PyObject *str_obj; |
bf55df007535
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|
137 if (!PyArg_ParseTuple(args, "O!:asciiupper", &PyBytes_Type, &str_obj)) |
bf55df007535
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|
138 return NULL; |
24606
e4a733c34bc6
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diff
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|
139 return _asciitransform(str_obj, uppertable, NULL); |
24577
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|
140 } |
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|
141 |
33757
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|
142 PyObject *make_file_foldmap(PyObject *self, PyObject *args) |
24609
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diff
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|
143 { |
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|
144 PyObject *dmap, *spec_obj, *normcase_fallback; |
670aaee7931c
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|
145 PyObject *file_foldmap = NULL; |
670aaee7931c
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diff
changeset
|
146 enum normcase_spec spec; |
670aaee7931c
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|
147 PyObject *k, *v; |
670aaee7931c
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|
148 dirstateTupleObject *tuple; |
670aaee7931c
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|
149 Py_ssize_t pos = 0; |
670aaee7931c
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|
150 const char *table; |
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|
151 |
670aaee7931c
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|
152 if (!PyArg_ParseTuple(args, "O!O!O!:make_file_foldmap", |
670aaee7931c
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|
153 &PyDict_Type, &dmap, |
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|
154 &PyInt_Type, &spec_obj, |
670aaee7931c
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|
155 &PyFunction_Type, &normcase_fallback)) |
670aaee7931c
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|
156 goto quit; |
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|
157 |
24622
1e05f11619bb
parsers.c: avoid implicit conversion loses integer precision warning
André Sintzoff <andre.sintzoff@gmail.com>
parents:
24609
diff
changeset
|
158 spec = (int)PyInt_AS_LONG(spec_obj); |
24609
670aaee7931c
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diff
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|
159 switch (spec) { |
670aaee7931c
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|
160 case NORMCASE_LOWER: |
670aaee7931c
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diff
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|
161 table = lowertable; |
670aaee7931c
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diff
changeset
|
162 break; |
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diff
changeset
|
163 case NORMCASE_UPPER: |
670aaee7931c
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diff
changeset
|
164 table = uppertable; |
670aaee7931c
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diff
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|
165 break; |
670aaee7931c
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diff
changeset
|
166 case NORMCASE_OTHER: |
670aaee7931c
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diff
changeset
|
167 table = NULL; |
670aaee7931c
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diff
changeset
|
168 break; |
670aaee7931c
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diff
changeset
|
169 default: |
670aaee7931c
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diff
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|
170 PyErr_SetString(PyExc_TypeError, "invalid normcasespec"); |
670aaee7931c
parsers: add a C function to create a file foldmap
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diff
changeset
|
171 goto quit; |
670aaee7931c
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diff
changeset
|
172 } |
670aaee7931c
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parents:
24606
diff
changeset
|
173 |
25583
ce64c9ab19f2
parsers: factor out code to create a presized dict
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25582
diff
changeset
|
174 /* Add some more entries to deal with additions outside this |
ce64c9ab19f2
parsers: factor out code to create a presized dict
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25582
diff
changeset
|
175 function. */ |
ce64c9ab19f2
parsers: factor out code to create a presized dict
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parents:
25582
diff
changeset
|
176 file_foldmap = _dict_new_presized((PyDict_Size(dmap) / 10) * 11); |
24609
670aaee7931c
parsers: add a C function to create a file foldmap
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diff
changeset
|
177 if (file_foldmap == NULL) |
670aaee7931c
parsers: add a C function to create a file foldmap
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24606
diff
changeset
|
178 goto quit; |
670aaee7931c
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diff
changeset
|
179 |
670aaee7931c
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diff
changeset
|
180 while (PyDict_Next(dmap, &pos, &k, &v)) { |
670aaee7931c
parsers: add a C function to create a file foldmap
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24606
diff
changeset
|
181 if (!dirstate_tuple_check(v)) { |
670aaee7931c
parsers: add a C function to create a file foldmap
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diff
changeset
|
182 PyErr_SetString(PyExc_TypeError, |
670aaee7931c
parsers: add a C function to create a file foldmap
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parents:
24606
diff
changeset
|
183 "expected a dirstate tuple"); |
670aaee7931c
parsers: add a C function to create a file foldmap
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diff
changeset
|
184 goto quit; |
670aaee7931c
parsers: add a C function to create a file foldmap
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diff
changeset
|
185 } |
670aaee7931c
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diff
changeset
|
186 |
670aaee7931c
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Siddharth Agarwal <sid0@fb.com>
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diff
changeset
|
187 tuple = (dirstateTupleObject *)v; |
670aaee7931c
parsers: add a C function to create a file foldmap
Siddharth Agarwal <sid0@fb.com>
parents:
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diff
changeset
|
188 if (tuple->state != 'r') { |
670aaee7931c
parsers: add a C function to create a file foldmap
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diff
changeset
|
189 PyObject *normed; |
670aaee7931c
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diff
changeset
|
190 if (table != NULL) { |
670aaee7931c
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diff
changeset
|
191 normed = _asciitransform(k, table, |
670aaee7931c
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diff
changeset
|
192 normcase_fallback); |
670aaee7931c
parsers: add a C function to create a file foldmap
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diff
changeset
|
193 } else { |
670aaee7931c
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diff
changeset
|
194 normed = PyObject_CallFunctionObjArgs( |
670aaee7931c
parsers: add a C function to create a file foldmap
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parents:
24606
diff
changeset
|
195 normcase_fallback, k, NULL); |
670aaee7931c
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changeset
|
196 } |
670aaee7931c
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changeset
|
197 |
670aaee7931c
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diff
changeset
|
198 if (normed == NULL) |
670aaee7931c
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diff
changeset
|
199 goto quit; |
26049
b1634b7804c7
parsers: correctly decref normed value after PyDict_SetItem
Augie Fackler <augie@google.com>
parents:
26048
diff
changeset
|
200 if (PyDict_SetItem(file_foldmap, normed, k) == -1) { |
b1634b7804c7
parsers: correctly decref normed value after PyDict_SetItem
Augie Fackler <augie@google.com>
parents:
26048
diff
changeset
|
201 Py_DECREF(normed); |
24609
670aaee7931c
parsers: add a C function to create a file foldmap
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diff
changeset
|
202 goto quit; |
26049
b1634b7804c7
parsers: correctly decref normed value after PyDict_SetItem
Augie Fackler <augie@google.com>
parents:
26048
diff
changeset
|
203 } |
b1634b7804c7
parsers: correctly decref normed value after PyDict_SetItem
Augie Fackler <augie@google.com>
parents:
26048
diff
changeset
|
204 Py_DECREF(normed); |
24609
670aaee7931c
parsers: add a C function to create a file foldmap
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diff
changeset
|
205 } |
670aaee7931c
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24606
diff
changeset
|
206 } |
670aaee7931c
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24606
diff
changeset
|
207 return file_foldmap; |
670aaee7931c
parsers: add a C function to create a file foldmap
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diff
changeset
|
208 quit: |
670aaee7931c
parsers: add a C function to create a file foldmap
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24606
diff
changeset
|
209 Py_XDECREF(file_foldmap); |
670aaee7931c
parsers: add a C function to create a file foldmap
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24606
diff
changeset
|
210 return NULL; |
670aaee7931c
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24606
diff
changeset
|
211 } |