Mercurial > hg
annotate mercurial/fileset.py @ 23991:07c1a7d1ef69
subrepo: add 'cat' support for git subrepos
V2: use 'self._ctx.node()' instead of 'rev' in makefileobj.
As Matt Harbison mentioned, using 'rev' does not make sense,
since we'd be passing a git revision to the top-level
Mercurial repository.
author | Mathias De Maré <mathias.demare@gmail.com> |
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date | Sun, 01 Feb 2015 14:09:31 +0100 |
parents | c2dd79ad99cb |
children | cecaec0e8719 |
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1 # fileset.py - file set queries for mercurial |
11275 | 2 # |
3 # Copyright 2010 Matt Mackall <mpm@selenic.com> | |
4 # | |
5 # This software may be used and distributed according to the terms of the | |
6 # GNU General Public License version 2 or any later version. | |
7 | |
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8 import re |
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9 import parser, error, util, merge |
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10 from i18n import _ |
11275 | 11 |
12 elements = { | |
13 "(": (20, ("group", 1, ")"), ("func", 1, ")")), | |
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14 "-": (5, ("negate", 19), ("minus", 5)), |
11275 | 15 "not": (10, ("not", 10)), |
16 "!": (10, ("not", 10)), | |
17 "and": (5, None, ("and", 5)), | |
18 "&": (5, None, ("and", 5)), | |
19 "or": (4, None, ("or", 4)), | |
20 "|": (4, None, ("or", 4)), | |
21 "+": (4, None, ("or", 4)), | |
22 ",": (2, None, ("list", 2)), | |
23 ")": (0, None, None), | |
24 "symbol": (0, ("symbol",), None), | |
25 "string": (0, ("string",), None), | |
26 "end": (0, None, None), | |
27 } | |
28 | |
29 keywords = set(['and', 'or', 'not']) | |
30 | |
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31 globchars = ".*{}[]?/\\_" |
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32 |
11275 | 33 def tokenize(program): |
34 pos, l = 0, len(program) | |
35 while pos < l: | |
36 c = program[pos] | |
37 if c.isspace(): # skip inter-token whitespace | |
38 pass | |
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39 elif c in "(),-|&+!": # handle simple operators |
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40 yield (c, None, pos) |
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41 elif (c in '"\'' or c == 'r' and |
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42 program[pos:pos + 2] in ("r'", 'r"')): # handle quoted strings |
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43 if c == 'r': |
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44 pos += 1 |
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45 c = program[pos] |
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46 decode = lambda x: x |
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47 else: |
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48 decode = lambda x: x.decode('string-escape') |
11275 | 49 pos += 1 |
50 s = pos | |
51 while pos < l: # find closing quote | |
52 d = program[pos] | |
53 if d == '\\': # skip over escaped characters | |
54 pos += 2 | |
55 continue | |
56 if d == c: | |
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57 yield ('string', decode(program[s:pos]), s) |
11275 | 58 break |
59 pos += 1 | |
60 else: | |
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61 raise error.ParseError(_("unterminated string"), s) |
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62 elif c.isalnum() or c in globchars or ord(c) > 127: |
14513 | 63 # gather up a symbol/keyword |
11275 | 64 s = pos |
65 pos += 1 | |
66 while pos < l: # find end of symbol | |
67 d = program[pos] | |
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68 if not (d.isalnum() or d in globchars or ord(d) > 127): |
11275 | 69 break |
70 pos += 1 | |
71 sym = program[s:pos] | |
72 if sym in keywords: # operator keywords | |
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73 yield (sym, None, s) |
11275 | 74 else: |
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75 yield ('symbol', sym, s) |
11275 | 76 pos -= 1 |
77 else: | |
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78 raise error.ParseError(_("syntax error"), pos) |
11275 | 79 pos += 1 |
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80 yield ('end', None, pos) |
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82 def parse(expr): |
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83 p = parser.parser(tokenize, elements) |
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84 return p.parse(expr) |
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86 def getstring(x, err): |
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87 if x and (x[0] == 'string' or x[0] == 'symbol'): |
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88 return x[1] |
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89 raise error.ParseError(err) |
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90 |
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91 def getset(mctx, x): |
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92 if not x: |
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93 raise error.ParseError(_("missing argument")) |
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94 return methods[x[0]](mctx, *x[1:]) |
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95 |
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96 def stringset(mctx, x): |
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97 m = mctx.matcher([x]) |
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98 return [f for f in mctx.subset if m(f)] |
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99 |
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100 def andset(mctx, x, y): |
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101 return getset(mctx.narrow(getset(mctx, x)), y) |
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102 |
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103 def orset(mctx, x, y): |
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104 # needs optimizing |
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105 xl = getset(mctx, x) |
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106 yl = getset(mctx, y) |
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107 return xl + [f for f in yl if f not in xl] |
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108 |
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109 def notset(mctx, x): |
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110 s = set(getset(mctx, x)) |
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111 return [r for r in mctx.subset if r not in s] |
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112 |
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113 def minusset(mctx, x, y): |
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114 xl = getset(mctx, x) |
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115 yl = set(getset(mctx, y)) |
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116 return [f for f in xl if f not in yl] |
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117 |
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118 def listset(mctx, a, b): |
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119 raise error.ParseError(_("can't use a list in this context")) |
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120 |
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121 def modified(mctx, x): |
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122 """``modified()`` |
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123 File that is modified according to status. |
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124 """ |
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125 # i18n: "modified" is a keyword |
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126 getargs(x, 0, 0, _("modified takes no arguments")) |
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127 s = mctx.status().modified |
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128 return [f for f in mctx.subset if f in s] |
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129 |
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130 def added(mctx, x): |
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131 """``added()`` |
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132 File that is added according to status. |
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133 """ |
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134 # i18n: "added" is a keyword |
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135 getargs(x, 0, 0, _("added takes no arguments")) |
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136 s = mctx.status().added |
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137 return [f for f in mctx.subset if f in s] |
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138 |
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139 def removed(mctx, x): |
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140 """``removed()`` |
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141 File that is removed according to status. |
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142 """ |
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143 # i18n: "removed" is a keyword |
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144 getargs(x, 0, 0, _("removed takes no arguments")) |
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145 s = mctx.status().removed |
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146 return [f for f in mctx.subset if f in s] |
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147 |
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148 def deleted(mctx, x): |
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149 """``deleted()`` |
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150 File that is deleted according to status. |
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151 """ |
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152 # i18n: "deleted" is a keyword |
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153 getargs(x, 0, 0, _("deleted takes no arguments")) |
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154 s = mctx.status().deleted |
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155 return [f for f in mctx.subset if f in s] |
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156 |
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157 def unknown(mctx, x): |
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158 """``unknown()`` |
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159 File that is unknown according to status. These files will only be |
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160 considered if this predicate is used. |
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161 """ |
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162 # i18n: "unknown" is a keyword |
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163 getargs(x, 0, 0, _("unknown takes no arguments")) |
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164 s = mctx.status().unknown |
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165 return [f for f in mctx.subset if f in s] |
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166 |
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167 def ignored(mctx, x): |
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168 """``ignored()`` |
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169 File that is ignored according to status. These files will only be |
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|
170 considered if this predicate is used. |
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171 """ |
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172 # i18n: "ignored" is a keyword |
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173 getargs(x, 0, 0, _("ignored takes no arguments")) |
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174 s = mctx.status().ignored |
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175 return [f for f in mctx.subset if f in s] |
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176 |
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177 def clean(mctx, x): |
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178 """``clean()`` |
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179 File that is clean according to status. |
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180 """ |
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181 # i18n: "clean" is a keyword |
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182 getargs(x, 0, 0, _("clean takes no arguments")) |
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183 s = mctx.status().clean |
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184 return [f for f in mctx.subset if f in s] |
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185 |
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186 def func(mctx, a, b): |
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187 if a[0] == 'symbol' and a[1] in symbols: |
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188 return symbols[a[1]](mctx, b) |
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189 raise error.ParseError(_("not a function: %s") % a[1]) |
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190 |
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|
191 def getlist(x): |
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|
192 if not x: |
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193 return [] |
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194 if x[0] == 'list': |
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195 return getlist(x[1]) + [x[2]] |
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196 return [x] |
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197 |
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198 def getargs(x, min, max, err): |
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199 l = getlist(x) |
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200 if len(l) < min or len(l) > max: |
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201 raise error.ParseError(err) |
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202 return l |
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203 |
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204 def binary(mctx, x): |
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205 """``binary()`` |
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206 File that appears to be binary (contains NUL bytes). |
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207 """ |
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208 # i18n: "binary" is a keyword |
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209 getargs(x, 0, 0, _("binary takes no arguments")) |
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210 return [f for f in mctx.existing() if util.binary(mctx.ctx[f].data())] |
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211 |
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212 def exec_(mctx, x): |
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213 """``exec()`` |
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214 File that is marked as executable. |
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215 """ |
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216 # i18n: "exec" is a keyword |
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217 getargs(x, 0, 0, _("exec takes no arguments")) |
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218 return [f for f in mctx.existing() if mctx.ctx.flags(f) == 'x'] |
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219 |
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220 def symlink(mctx, x): |
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221 """``symlink()`` |
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222 File that is marked as a symlink. |
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223 """ |
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224 # i18n: "symlink" is a keyword |
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225 getargs(x, 0, 0, _("symlink takes no arguments")) |
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226 return [f for f in mctx.existing() if mctx.ctx.flags(f) == 'l'] |
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227 |
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228 def resolved(mctx, x): |
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229 """``resolved()`` |
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230 File that is marked resolved according to the resolve state. |
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231 """ |
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232 # i18n: "resolved" is a keyword |
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233 getargs(x, 0, 0, _("resolved takes no arguments")) |
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234 if mctx.ctx.rev() is not None: |
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|
235 return [] |
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|
236 ms = merge.mergestate(mctx.ctx._repo) |
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|
237 return [f for f in mctx.subset if f in ms and ms[f] == 'r'] |
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|
238 |
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|
239 def unresolved(mctx, x): |
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240 """``unresolved()`` |
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|
241 File that is marked unresolved according to the resolve state. |
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|
242 """ |
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243 # i18n: "unresolved" is a keyword |
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244 getargs(x, 0, 0, _("unresolved takes no arguments")) |
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245 if mctx.ctx.rev() is not None: |
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246 return [] |
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247 ms = merge.mergestate(mctx.ctx._repo) |
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248 return [f for f in mctx.subset if f in ms and ms[f] == 'u'] |
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|
249 |
14680 | 250 def hgignore(mctx, x): |
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|
251 """``hgignore()`` |
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252 File that matches the active .hgignore pattern. |
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253 """ |
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|
254 # i18n: "hgignore" is a keyword |
14680 | 255 getargs(x, 0, 0, _("hgignore takes no arguments")) |
256 ignore = mctx.ctx._repo.dirstate._ignore | |
257 return [f for f in mctx.subset if ignore(f)] | |
258 | |
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259 def grep(mctx, x): |
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260 """``grep(regex)`` |
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261 File contains the given regular expression. |
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|
262 """ |
17368
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|
263 try: |
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264 # i18n: "grep" is a keyword |
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265 r = re.compile(getstring(x, _("grep requires a pattern"))) |
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266 except re.error, e: |
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267 raise error.ParseError(_('invalid match pattern: %s') % e) |
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268 return [f for f in mctx.existing() if r.search(mctx.ctx[f].data())] |
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269 |
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270 def _sizetomax(s): |
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271 try: |
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|
272 s = s.strip() |
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|
273 for k, v in util._sizeunits: |
14683
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|
274 if s.endswith(k): |
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|
275 # max(4k) = 5k - 1, max(4.5k) = 4.6k - 1 |
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276 n = s[:-len(k)] |
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|
277 inc = 1.0 |
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|
278 if "." in n: |
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|
279 inc /= 10 ** len(n.split(".")[1]) |
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280 return int((float(n) + inc) * v) - 1 |
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281 # no extension, this is a precise value |
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|
282 return int(s) |
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|
283 except ValueError: |
14716
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diff
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|
284 raise error.ParseError(_("couldn't parse size: %s") % s) |
14683
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285 |
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|
286 def size(mctx, x): |
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|
287 """``size(expression)`` |
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|
288 File size matches the given expression. Examples: |
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|
289 |
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|
290 - 1k (files from 1024 to 2047 bytes) |
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291 - < 20k (files less than 20480 bytes) |
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292 - >= .5MB (files at least 524288 bytes) |
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293 - 4k - 1MB (files from 4096 bytes to 1048576 bytes) |
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294 """ |
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295 |
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296 # i18n: "size" is a keyword |
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297 expr = getstring(x, _("size requires an expression")).strip() |
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298 if '-' in expr: # do we have a range? |
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299 a, b = expr.split('-', 1) |
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300 a = util.sizetoint(a) |
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301 b = util.sizetoint(b) |
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302 m = lambda x: x >= a and x <= b |
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303 elif expr.startswith("<="): |
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304 a = util.sizetoint(expr[2:]) |
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305 m = lambda x: x <= a |
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306 elif expr.startswith("<"): |
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307 a = util.sizetoint(expr[1:]) |
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308 m = lambda x: x < a |
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309 elif expr.startswith(">="): |
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310 a = util.sizetoint(expr[2:]) |
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311 m = lambda x: x >= a |
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312 elif expr.startswith(">"): |
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313 a = util.sizetoint(expr[1:]) |
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314 m = lambda x: x > a |
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315 elif expr[0].isdigit or expr[0] == '.': |
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316 a = util.sizetoint(expr) |
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317 b = _sizetomax(expr) |
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318 m = lambda x: x >= a and x <= b |
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319 else: |
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320 raise error.ParseError(_("couldn't parse size: %s") % expr) |
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321 |
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322 return [f for f in mctx.existing() if m(mctx.ctx[f].size())] |
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323 |
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324 def encoding(mctx, x): |
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325 """``encoding(name)`` |
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326 File can be successfully decoded with the given character |
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327 encoding. May not be useful for encodings other than ASCII and |
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328 UTF-8. |
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329 """ |
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330 |
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331 # i18n: "encoding" is a keyword |
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332 enc = getstring(x, _("encoding requires an encoding name")) |
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333 |
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334 s = [] |
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335 for f in mctx.existing(): |
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336 d = mctx.ctx[f].data() |
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337 try: |
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338 d.decode(enc) |
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339 except LookupError: |
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340 raise util.Abort(_("unknown encoding '%s'") % enc) |
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341 except UnicodeDecodeError: |
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342 continue |
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343 s.append(f) |
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344 |
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345 return s |
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346 |
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347 def eol(mctx, x): |
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348 """``eol(style)`` |
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349 File contains newlines of the given style (dos, unix, mac). Binary |
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350 files are excluded, files with mixed line endings match multiple |
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351 styles. |
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352 """ |
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353 |
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354 # i18n: "encoding" is a keyword |
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355 enc = getstring(x, _("encoding requires an encoding name")) |
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356 |
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357 s = [] |
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358 for f in mctx.existing(): |
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359 d = mctx.ctx[f].data() |
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360 if util.binary(d): |
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361 continue |
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362 if (enc == 'dos' or enc == 'win') and '\r\n' in d: |
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363 s.append(f) |
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364 elif enc == 'unix' and re.search('(?<!\r)\n', d): |
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365 s.append(f) |
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366 elif enc == 'mac' and re.search('\r(?!\n)', d): |
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367 s.append(f) |
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368 return s |
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369 |
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370 def copied(mctx, x): |
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371 """``copied()`` |
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372 File that is recorded as being copied. |
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373 """ |
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374 # i18n: "copied" is a keyword |
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375 getargs(x, 0, 0, _("copied takes no arguments")) |
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376 s = [] |
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377 for f in mctx.subset: |
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378 p = mctx.ctx[f].parents() |
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379 if p and p[0].path() != f: |
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380 s.append(f) |
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381 return s |
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382 |
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383 def subrepo(mctx, x): |
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384 """``subrepo([pattern])`` |
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385 Subrepositories whose paths match the given pattern. |
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386 """ |
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387 # i18n: "subrepo" is a keyword |
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388 getargs(x, 0, 1, _("subrepo takes at most one argument")) |
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389 ctx = mctx.ctx |
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390 sstate = sorted(ctx.substate) |
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|
391 if x: |
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392 # i18n: "subrepo" is a keyword |
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393 pat = getstring(x, _("subrepo requires a pattern or no arguments")) |
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394 |
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395 import match as matchmod # avoid circular import issues |
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396 fast = not matchmod.patkind(pat) |
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397 if fast: |
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398 def m(s): |
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399 return (s == pat) |
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400 else: |
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401 m = matchmod.match(ctx._repo.root, '', [pat], ctx=ctx) |
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402 return [sub for sub in sstate if m(sub)] |
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403 else: |
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404 return [sub for sub in sstate] |
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405 |
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406 symbols = { |
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407 'added': added, |
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408 'binary': binary, |
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409 'clean': clean, |
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410 'copied': copied, |
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411 'deleted': deleted, |
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412 'encoding': encoding, |
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413 'eol': eol, |
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414 'exec': exec_, |
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415 'grep': grep, |
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416 'ignored': ignored, |
14680 | 417 'hgignore': hgignore, |
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418 'modified': modified, |
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419 'removed': removed, |
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420 'resolved': resolved, |
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421 'size': size, |
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422 'symlink': symlink, |
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423 'unknown': unknown, |
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424 'unresolved': unresolved, |
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425 'subrepo': subrepo, |
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426 } |
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427 |
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428 methods = { |
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429 'string': stringset, |
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430 'symbol': stringset, |
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431 'and': andset, |
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432 'or': orset, |
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433 'minus': minusset, |
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434 'list': listset, |
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435 'group': getset, |
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436 'not': notset, |
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437 'func': func, |
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438 } |
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439 |
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440 class matchctx(object): |
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441 def __init__(self, ctx, subset=None, status=None): |
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442 self.ctx = ctx |
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443 self.subset = subset |
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444 self._status = status |
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445 def status(self): |
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446 return self._status |
14673 | 447 def matcher(self, patterns): |
448 return self.ctx.match(patterns) | |
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449 def filter(self, files): |
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450 return [f for f in files if f in self.subset] |
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451 def existing(self): |
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452 if self._status is not None: |
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453 removed = set(self._status[3]) |
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454 unknown = set(self._status[4] + self._status[5]) |
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455 else: |
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456 removed = set() |
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457 unknown = set() |
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458 return (f for f in self.subset |
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459 if (f in self.ctx and f not in removed) or f in unknown) |
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460 def narrow(self, files): |
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461 return matchctx(self.ctx, self.filter(files), self._status) |
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462 |
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463 def _intree(funcs, tree): |
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464 if isinstance(tree, tuple): |
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465 if tree[0] == 'func' and tree[1][0] == 'symbol': |
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466 if tree[1][1] in funcs: |
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467 return True |
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468 for s in tree[1:]: |
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469 if _intree(funcs, s): |
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470 return True |
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471 return False |
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472 |
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473 # filesets using matchctx.existing() |
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474 _existingcallers = [ |
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475 'binary', |
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476 'exec', |
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477 'grep', |
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478 'size', |
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479 'symlink', |
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480 ] |
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481 |
14673 | 482 def getfileset(ctx, expr): |
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483 tree, pos = parse(expr) |
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484 if (pos != len(expr)): |
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485 raise error.ParseError(_("invalid token"), pos) |
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486 |
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487 # do we need status info? |
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488 if (_intree(['modified', 'added', 'removed', 'deleted', |
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489 'unknown', 'ignored', 'clean'], tree) or |
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490 # Using matchctx.existing() on a workingctx requires us to check |
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491 # for deleted files. |
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492 (ctx.rev() is None and _intree(_existingcallers, tree))): |
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493 unknown = _intree(['unknown'], tree) |
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494 ignored = _intree(['ignored'], tree) |
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495 |
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496 r = ctx._repo |
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497 status = r.status(ctx.p1(), ctx, |
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498 unknown=unknown, ignored=ignored, clean=True) |
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499 subset = [] |
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500 for c in status: |
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501 subset.extend(c) |
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502 else: |
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503 status = None |
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504 subset = list(ctx.walk(ctx.match([]))) |
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505 |
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506 return getset(matchctx(ctx, subset, status), tree) |
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507 |
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508 # tell hggettext to extract docstrings from these functions: |
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509 i18nfunctions = symbols.values() |