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Commit | Line | Data |
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d9bae1a1 | 1 | #include "cache.h" |
b2141fc1 | 2 | #include "config.h" |
be58e70d | 3 | #include "userdiff.h" |
be58e70d JK |
4 | #include "attr.h" |
5 | ||
6 | static struct userdiff_driver *drivers; | |
7 | static int ndrivers; | |
8 | static int drivers_alloc; | |
9 | ||
ae3b970a | 10 | #define PATTERNS(name, pattern, word_regex) \ |
664d44ee JN |
11 | { name, NULL, -1, { pattern, REG_EXTENDED }, \ |
12 | word_regex "|[^[:space:]]|[\xc0-\xff][\x80-\xbf]+" } | |
909a5494 | 13 | #define IPATTERN(name, pattern, word_regex) \ |
664d44ee JN |
14 | { name, NULL, -1, { pattern, REG_EXTENDED | REG_ICASE }, \ |
15 | word_regex "|[^[:space:]]|[\xc0-\xff][\x80-\xbf]+" } | |
b6029b32 JH |
16 | |
17 | /* | |
18 | * Built-in drivers for various languages, sorted by their names | |
19 | * (except that the "default" is left at the end). | |
20 | * | |
21 | * When writing or updating patterns, assume that the contents these | |
22 | * patterns are applied to are syntactically correct. The patterns | |
23 | * can be simple without implementing all syntactical corner cases, as | |
24 | * long as they are sufficiently permissive. | |
25 | */ | |
be58e70d | 26 | static struct userdiff_driver builtin_drivers[] = { |
e90d065e | 27 | IPATTERN("ada", |
39a87a29 | 28 | "!^(.*[ \t])?(is[ \t]+new|renames|is[ \t]+separate)([ \t].*)?$\n" |
e90d065e AJ |
29 | "!^[ \t]*with[ \t].*$\n" |
30 | "^[ \t]*((procedure|function)[ \t]+.*)$\n" | |
31 | "^[ \t]*((package|protected|task)[ \t]+.*)$", | |
32 | /* -- */ | |
33 | "[a-zA-Z][a-zA-Z0-9_]*" | |
39a87a29 | 34 | "|[-+]?[0-9][0-9#_.aAbBcCdDeEfF]*([eE][+-]?[0-9_]+)?" |
e90d065e | 35 | "|=>|\\.\\.|\\*\\*|:=|/=|>=|<=|<<|>>|<>"), |
2ff6c346 VE |
36 | PATTERNS("bash", |
37 | /* Optional leading indentation */ | |
38 | "^[ \t]*" | |
39 | /* Start of captured text */ | |
40 | "(" | |
41 | "(" | |
42 | /* POSIX identifier with mandatory parentheses */ | |
43 | "[a-zA-Z_][a-zA-Z0-9_]*[ \t]*\\([ \t]*\\))" | |
44 | "|" | |
45 | /* Bashism identifier with optional parentheses */ | |
46 | "(function[ \t]+[a-zA-Z_][a-zA-Z0-9_]*(([ \t]*\\([ \t]*\\))|([ \t]+))" | |
47 | ")" | |
48 | /* Optional whitespace */ | |
49 | "[ \t]*" | |
50 | /* Compound command starting with `{`, `(`, `((` or `[[` */ | |
51 | "(\\{|\\(\\(?|\\[\\[)" | |
52 | /* End of captured text */ | |
53 | ")", | |
54 | /* -- */ | |
55 | /* Characters not in the default $IFS value */ | |
56 | "[^ \t]+"), | |
6d1c9c52 ÆAB |
57 | PATTERNS("bibtex", |
58 | "(@[a-zA-Z]{1,}[ \t]*\\{{0,1}[ \t]*[^ \t\"@',\\#}{~%]*).*$", | |
59 | /* -- */ | |
ddd164d0 ÆAB |
60 | "[={}\"]|[^={}\" \t]+"), |
61 | PATTERNS("cpp", | |
62 | /* Jump targets or access declarations */ | |
63 | "!^[ \t]*[A-Za-z_][A-Za-z_0-9]*:[[:space:]]*($|/[/*])\n" | |
64 | /* functions/methods, variables, and compounds at top level */ | |
65 | "^((::[[:space:]]*)?[A-Za-z_].*)$", | |
66 | /* -- */ | |
350b87cd | 67 | /* identifiers and keywords */ |
ddd164d0 | 68 | "[a-zA-Z_][a-zA-Z0-9_]*" |
350b87cd | 69 | /* decimal and octal integers as well as floatingpoint numbers */ |
386076ec | 70 | "|[0-9][0-9.]*([Ee][-+]?[0-9]+)?[fFlLuU]*" |
350b87cd | 71 | /* hexadecimal and binary integers */ |
386076ec | 72 | "|0[xXbB][0-9a-fA-F]+[lLuU]*" |
350b87cd | 73 | /* floatingpoint numbers that begin with a decimal point */ |
386076ec | 74 | "|\\.[0-9][0-9]*([Ee][-+]?[0-9]+)?[fFlL]?" |
c4fdba33 | 75 | "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->\\*?|\\.\\*|<=>"), |
ddd164d0 ÆAB |
76 | PATTERNS("csharp", |
77 | /* Keywords */ | |
78 | "!^[ \t]*(do|while|for|if|else|instanceof|new|return|switch|case|throw|catch|using)\n" | |
79 | /* Methods and constructors */ | |
80 | "^[ \t]*(((static|public|internal|private|protected|new|virtual|sealed|override|unsafe|async)[ \t]+)*[][<>@.~_[:alnum:]]+[ \t]+[<>@._[:alnum:]]+[ \t]*\\(.*\\))[ \t]*$\n" | |
81 | /* Properties */ | |
82 | "^[ \t]*(((static|public|internal|private|protected|new|virtual|sealed|override|unsafe)[ \t]+)*[][<>@.~_[:alnum:]]+[ \t]+[@._[:alnum:]]+)[ \t]*$\n" | |
83 | /* Type definitions */ | |
c4e31781 | 84 | "^[ \t]*(((static|public|internal|private|protected|new|unsafe|sealed|abstract|partial)[ \t]+)*(class|enum|interface|struct|record)[ \t]+.*)$\n" |
ddd164d0 ÆAB |
85 | /* Namespace */ |
86 | "^[ \t]*(namespace[ \t]+.*)$", | |
87 | /* -- */ | |
88 | "[a-zA-Z_][a-zA-Z0-9_]*" | |
89 | "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?" | |
90 | "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"), | |
91 | IPATTERN("css", | |
92 | "![:;][[:space:]]*$\n" | |
93 | "^[:[@.#]?[_a-z0-9].*$", | |
94 | /* -- */ | |
95 | /* | |
96 | * This regex comes from W3C CSS specs. Should theoretically also | |
97 | * allow ISO 10646 characters U+00A0 and higher, | |
98 | * but they are not handled in this regex. | |
99 | */ | |
100 | "-?[_a-zA-Z][-_a-zA-Z0-9]*" /* identifiers */ | |
101 | "|-?[0-9]+|\\#[0-9a-fA-F]+" /* numbers */ | |
102 | ), | |
3c81760b SB |
103 | PATTERNS("dts", |
104 | "!;\n" | |
8da56a48 | 105 | "!=\n" |
3c81760b | 106 | /* lines beginning with a word optionally preceded by '&' or the root */ |
8da56a48 | 107 | "^[ \t]*((/[ \t]*\\{|&?[a-zA-Z_]).*)", |
3c81760b SB |
108 | /* -- */ |
109 | /* Property names and math operators */ | |
110 | "[a-zA-Z0-9,._+?#-]+" | |
111 | "|[-+*/%&^|!~]|>>|<<|&&|\\|\\|"), | |
a807200f ŁN |
112 | PATTERNS("elixir", |
113 | "^[ \t]*((def(macro|module|impl|protocol|p)?|test)[ \t].*)$", | |
d1b1384d | 114 | /* -- */ |
a807200f | 115 | /* Atoms, names, and module attributes */ |
d1b1384d | 116 | "[@:]?[a-zA-Z0-9@_?!]+" |
a807200f ŁN |
117 | /* Numbers with specific base */ |
118 | "|[-+]?0[xob][0-9a-fA-F]+" | |
119 | /* Numbers */ | |
120 | "|[-+]?[0-9][0-9_.]*([eE][-+]?[0-9_]+)?" | |
121 | /* Operators and atoms that represent them */ | |
122 | "|:?(\\+\\+|--|\\.\\.|~~~|<>|\\^\\^\\^|<?\\|>|<<<?|>?>>|<<?~|~>?>|<~>|<=|>=|===?|!==?|=~|&&&?|\\|\\|\\|?|=>|<-|\\\\\\\\|->)" | |
123 | /* Not real operators, but should be grouped */ | |
124 | "|:?%[A-Za-z0-9_.]\\{\\}?"), | |
909a5494 | 125 | IPATTERN("fortran", |
b79e6925 | 126 | /* Don't match comment lines */ |
909a5494 | 127 | "!^([C*]|[ \t]*!)\n" |
b79e6925 | 128 | /* Don't match 'module procedure' lines */ |
909a5494 | 129 | "!^[ \t]*MODULE[ \t]+PROCEDURE[ \t]\n" |
b79e6925 | 130 | /* Program, module, block data */ |
909a5494 | 131 | "^[ \t]*((END[ \t]+)?(PROGRAM|MODULE|BLOCK[ \t]+DATA" |
b79e6925 | 132 | /* Subroutines and functions */ |
75c3b6b2 | 133 | "|([^!'\" \t]+[ \t]+)*(SUBROUTINE|FUNCTION))[ \t]+[A-Z].*)$", |
909a5494 BC |
134 | /* -- */ |
135 | "[a-zA-Z][a-zA-Z0-9_]*" | |
136 | "|\\.([Ee][Qq]|[Nn][Ee]|[Gg][TtEe]|[Ll][TtEe]|[Tt][Rr][Uu][Ee]|[Ff][Aa][Ll][Ss][Ee]|[Aa][Nn][Dd]|[Oo][Rr]|[Nn]?[Ee][Qq][Vv]|[Nn][Oo][Tt])\\." | |
137 | /* numbers and format statements like 2E14.4, or ES12.6, 9X. | |
138 | * Don't worry about format statements without leading digits since | |
139 | * they would have been matched above as a variable anyway. */ | |
140 | "|[-+]?[0-9.]+([AaIiDdEeFfLlTtXx][Ss]?[-+]?[0-9.]*)?(_[a-zA-Z0-9][a-zA-Z0-9_]*)?" | |
664d44ee | 141 | "|//|\\*\\*|::|[/<>=]="), |
6d1c9c52 ÆAB |
142 | IPATTERN("fountain", |
143 | "^((\\.[^.]|(int|ext|est|int\\.?/ext|i/e)[. ]).*)$", | |
144 | /* -- */ | |
69f9c87d | 145 | "[^ \t-]+"), |
1dbf0c0a AG |
146 | PATTERNS("golang", |
147 | /* Functions */ | |
148 | "^[ \t]*(func[ \t]*.*(\\{[ \t]*)?)\n" | |
149 | /* Structs and interfaces */ | |
150 | "^[ \t]*(type[ \t].*(struct|interface)[ \t]*(\\{[ \t]*)?)", | |
151 | /* -- */ | |
152 | "[a-zA-Z_][a-zA-Z0-9_]*" | |
153 | "|[-+0-9.eE]+i?|0[xX]?[0-9a-fA-F]+i?" | |
154 | "|[-+*/<>%&^|=!:]=|--|\\+\\+|<<=?|>>=?|&\\^=?|&&|\\|\\||<-|\\.{3}"), | |
6d1c9c52 ÆAB |
155 | PATTERNS("html", |
156 | "^[ \t]*(<[Hh][1-6]([ \t].*)?>.*)$", | |
157 | /* -- */ | |
664d44ee | 158 | "[^<>= \t]+"), |
80c49c3d | 159 | PATTERNS("java", |
be58e70d | 160 | "!^[ \t]*(catch|do|for|if|instanceof|new|return|switch|throw|while)\n" |
a8cbc895 TH |
161 | /* Class, enum, and interface declarations */ |
162 | "^[ \t]*(([a-z]+[ \t]+)*(class|enum|interface)[ \t]+[A-Za-z][A-Za-z0-9_$]*[ \t]+.*)$\n" | |
163 | /* Method definitions; note that constructor signatures are not */ | |
164 | /* matched because they are indistinguishable from method calls. */ | |
165 | "^[ \t]*(([A-Za-z_<>&][][?&<>.,A-Za-z_0-9]*[ \t]+)+[A-Za-z_][A-Za-z_0-9]*[ \t]*\\([^;]*)$", | |
959e2e64 | 166 | /* -- */ |
80c49c3d TR |
167 | "[a-zA-Z_][a-zA-Z0-9_]*" |
168 | "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?" | |
169 | "|[-+*/<>%&^|=!]=" | |
664d44ee | 170 | "|--|\\+\\+|<<=?|>>>?=?|&&|\\|\\|"), |
09dad925 AH |
171 | PATTERNS("markdown", |
172 | "^ {0,3}#{1,6}[ \t].*", | |
6d1c9c52 | 173 | /* -- */ |
09dad925 | 174 | "[^<>= \t]+"), |
53b10a14 | 175 | PATTERNS("matlab", |
2731a784 BL |
176 | /* |
177 | * Octave pattern is mostly the same as matlab, except that '%%%' and | |
91bf382f | 178 | * '##' can also be used to begin code sections, in addition to '%%' |
2731a784 BL |
179 | * that is understood by both. |
180 | */ | |
91bf382f | 181 | "^[[:space:]]*((classdef|function)[[:space:]].*)$|^(%%%?|##)[[:space:]].*$", |
6d1c9c52 | 182 | /* -- */ |
53b10a14 | 183 | "[a-zA-Z_][a-zA-Z0-9_]*|[-+0-9.e]+|[=~<>]=|\\.[*/\\^']|\\|\\||&&"), |
80c49c3d | 184 | PATTERNS("objc", |
be58e70d JK |
185 | /* Negate C statements that can look like functions */ |
186 | "!^[ \t]*(do|for|if|else|return|switch|while)\n" | |
187 | /* Objective-C methods */ | |
188 | "^[ \t]*([-+][ \t]*\\([ \t]*[A-Za-z_][A-Za-z_0-9* \t]*\\)[ \t]*[A-Za-z_].*)$\n" | |
189 | /* C functions */ | |
959e2e64 | 190 | "^[ \t]*(([A-Za-z_][A-Za-z_0-9]*[ \t]+)+[A-Za-z_][A-Za-z_0-9]*[ \t]*\\([^;]*)$\n" |
be58e70d | 191 | /* Objective-C class/protocol definitions */ |
80c49c3d TR |
192 | "^(@(implementation|interface|protocol)[ \t].*)$", |
193 | /* -- */ | |
194 | "[a-zA-Z_][a-zA-Z0-9_]*" | |
195 | "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?" | |
664d44ee | 196 | "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"), |
80c49c3d | 197 | PATTERNS("pascal", |
82512e00 ÆAB |
198 | "^(((class[ \t]+)?(procedure|function)|constructor|destructor|interface" |
199 | "|implementation|initialization|finalization)[ \t]*.*)$\n" | |
80c49c3d TR |
200 | "^(.*=[ \t]*(class|record).*)$", |
201 | /* -- */ | |
202 | "[a-zA-Z_][a-zA-Z0-9_]*" | |
203 | "|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+" | |
664d44ee | 204 | "|<>|<=|>=|:=|\\.\\."), |
71a5d4bc | 205 | PATTERNS("perl", |
ea2ca449 JN |
206 | "^package .*\n" |
207 | "^sub [[:alnum:]_':]+[ \t]*" | |
208 | "(\\([^)]*\\)[ \t]*)?" /* prototype */ | |
209 | /* | |
210 | * Attributes. A regex can't count nested parentheses, | |
211 | * so just slurp up whatever we see, taking care not | |
212 | * to accept lines like "sub foo; # defined elsewhere". | |
213 | * | |
214 | * An attribute could contain a semicolon, but at that | |
215 | * point it seems reasonable enough to give up. | |
216 | */ | |
217 | "(:[^;#]*)?" | |
218 | "(\\{[ \t]*)?" /* brace can come here or on the next line */ | |
219 | "(#.*)?$\n" /* comment */ | |
f143d9c6 | 220 | "^(BEGIN|END|INIT|CHECK|UNITCHECK|AUTOLOAD|DESTROY)[ \t]*" |
ea2ca449 JN |
221 | "(\\{[ \t]*)?" /* brace can come here or on the next line */ |
222 | "(#.*)?$\n" | |
12f0967a | 223 | "^=head[0-9] .*", /* POD */ |
71a5d4bc JN |
224 | /* -- */ |
225 | "[[:alpha:]_'][[:alnum:]_']*" | |
226 | "|0[xb]?[0-9a-fA-F_]*" | |
227 | /* taking care not to interpret 3..5 as (3.)(.5) */ | |
228 | "|[0-9a-fA-F_]+(\\.[0-9a-fA-F_]+)?([eE][-+]?[0-9_]+)?" | |
229 | "|=>|-[rwxoRWXOezsfdlpSugkbctTBMAC>]|~~|::" | |
230 | "|&&=|\\|\\|=|//=|\\*\\*=" | |
231 | "|&&|\\|\\||//|\\+\\+|--|\\*\\*|\\.\\.\\.?" | |
232 | "|[-+*/%.^&<>=!|]=" | |
233 | "|=~|!~" | |
664d44ee | 234 | "|<<|<>|<=>|>>"), |
6d2f208c | 235 | PATTERNS("php", |
aff92827 | 236 | "^[\t ]*(((public|protected|private|static|abstract|final)[\t ]+)*function.*)$\n" |
2c7f3aac | 237 | "^[\t ]*((((final|abstract)[\t ]+)?class|enum|interface|trait).*)$", |
80c49c3d TR |
238 | /* -- */ |
239 | "[a-zA-Z_][a-zA-Z0-9_]*" | |
240 | "|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+" | |
664d44ee | 241 | "|[-+*/<>%&^|=!.]=|--|\\+\\+|<<=?|>>=?|===|&&|\\|\\||::|->"), |
6d1c9c52 ÆAB |
242 | PATTERNS("python", |
243 | "^[ \t]*((class|(async[ \t]+)?def)[ \t].*)$", | |
80c49c3d TR |
244 | /* -- */ |
245 | "[a-zA-Z_][a-zA-Z0-9_]*" | |
246 | "|[-+0-9.e]+[jJlL]?|0[xX]?[0-9a-fA-F]+[lL]?" | |
664d44ee | 247 | "|[-+*/<>%&^|=!]=|//=?|<<=?|>>=?|\\*\\*=?"), |
80c49c3d | 248 | /* -- */ |
6d1c9c52 ÆAB |
249 | PATTERNS("ruby", |
250 | "^[ \t]*((class|module|def)[ \t].*)$", | |
80c49c3d TR |
251 | /* -- */ |
252 | "(@|@@|\\$)?[a-zA-Z_][a-zA-Z0-9_]*" | |
253 | "|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+|\\?(\\\\C-)?(\\\\M-)?." | |
664d44ee | 254 | "|//=?|[-+*/<>%&^|=!]=|<<=?|>>=?|===|\\.{1,3}|::|[!=]~"), |
d74e7860 | 255 | PATTERNS("rust", |
a04c7e0f | 256 | "^[\t ]*((pub(\\([^\\)]+\\))?[\t ]+)?((async|const|unsafe|extern([\t ]+\"[^\"]+\"))[\t ]+)?(struct|enum|union|mod|trait|fn|impl|macro_rules!)[< \t]+[^;]*)$", |
d74e7860 MAL |
257 | /* -- */ |
258 | "[a-zA-Z_][a-zA-Z0-9_]*" | |
33be7b38 | 259 | "|[0-9][0-9_a-fA-Fiosuxz]*(\\.([0-9]*[eE][+-]?)?[0-9_fF]*)?" |
d74e7860 | 260 | "|[-+*\\/<>%&^|=!:]=|<<=?|>>=?|&&|\\|\\||->|=>|\\.{2}=|\\.{3}|::"), |
a4373903 AR |
261 | PATTERNS("scheme", |
262 | "^[\t ]*(\\(((define|def(struct|syntax|class|method|rules|record|proto|alias)?)[-*/ \t]|(library|module|struct|class)[*+ \t]).*)$", | |
263 | /* | |
264 | * R7RS valid identifiers include any sequence enclosed | |
265 | * within vertical lines having no backslashes | |
266 | */ | |
267 | "\\|([^\\\\]*)\\|" | |
268 | /* All other words should be delimited by spaces or parentheses */ | |
269 | "|([^][)(}{[ \t])+"), | |
80c49c3d | 270 | PATTERNS("tex", "^(\\\\((sub)*section|chapter|part)\\*{0,1}\\{.*)$", |
664d44ee | 271 | "\\\\[a-zA-Z@]+|\\\\.|[a-zA-Z0-9\x80-\xff]+"), |
122aa6f9 | 272 | { "default", NULL, -1, { NULL, 0 } }, |
be58e70d | 273 | }; |
80c49c3d | 274 | #undef PATTERNS |
909a5494 | 275 | #undef IPATTERN |
be58e70d JK |
276 | |
277 | static struct userdiff_driver driver_true = { | |
278 | "diff=true", | |
279 | NULL, | |
122aa6f9 | 280 | 0, |
be58e70d JK |
281 | { NULL, 0 } |
282 | }; | |
be58e70d JK |
283 | |
284 | static struct userdiff_driver driver_false = { | |
285 | "!diff", | |
286 | NULL, | |
122aa6f9 | 287 | 1, |
be58e70d JK |
288 | { NULL, 0 } |
289 | }; | |
be58e70d | 290 | |
f12fa9ee ÆAB |
291 | struct find_by_namelen_data { |
292 | const char *name; | |
293 | size_t len; | |
294 | struct userdiff_driver *driver; | |
295 | }; | |
296 | ||
297 | static int userdiff_find_by_namelen_cb(struct userdiff_driver *driver, | |
298 | enum userdiff_driver_type type, void *priv) | |
be58e70d | 299 | { |
f12fa9ee ÆAB |
300 | struct find_by_namelen_data *cb_data = priv; |
301 | ||
302 | if (!strncmp(driver->name, cb_data->name, cb_data->len) && | |
303 | !driver->name[cb_data->len]) { | |
304 | cb_data->driver = driver; | |
305 | return 1; /* tell the caller to stop iterating */ | |
be58e70d | 306 | } |
f12fa9ee ÆAB |
307 | return 0; |
308 | } | |
309 | ||
310 | static struct userdiff_driver *userdiff_find_by_namelen(const char *name, size_t len) | |
311 | { | |
312 | struct find_by_namelen_data udcbdata = { | |
313 | .name = name, | |
314 | .len = len, | |
315 | }; | |
316 | for_each_userdiff_driver(userdiff_find_by_namelen_cb, &udcbdata); | |
317 | return udcbdata.driver; | |
be58e70d JK |
318 | } |
319 | ||
be58e70d JK |
320 | static int parse_funcname(struct userdiff_funcname *f, const char *k, |
321 | const char *v, int cflags) | |
322 | { | |
323 | if (git_config_string(&f->pattern, k, v) < 0) | |
324 | return -1; | |
325 | f->cflags = cflags; | |
6680a087 | 326 | return 0; |
be58e70d JK |
327 | } |
328 | ||
122aa6f9 JK |
329 | static int parse_tristate(int *b, const char *k, const char *v) |
330 | { | |
331 | if (v && !strcasecmp(v, "auto")) | |
332 | *b = -1; | |
333 | else | |
334 | *b = git_config_bool(k, v); | |
6680a087 | 335 | return 0; |
122aa6f9 JK |
336 | } |
337 | ||
d9bae1a1 JK |
338 | static int parse_bool(int *b, const char *k, const char *v) |
339 | { | |
340 | *b = git_config_bool(k, v); | |
6680a087 | 341 | return 0; |
d9bae1a1 JK |
342 | } |
343 | ||
c7534ef4 | 344 | int userdiff_config(const char *k, const char *v) |
be58e70d JK |
345 | { |
346 | struct userdiff_driver *drv; | |
0a5987fe | 347 | const char *name, *type; |
f5914f4b | 348 | size_t namelen; |
0a5987fe JK |
349 | |
350 | if (parse_config_key(k, "diff", &name, &namelen, &type) || !name) | |
351 | return 0; | |
352 | ||
353 | drv = userdiff_find_by_namelen(name, namelen); | |
354 | if (!drv) { | |
355 | ALLOC_GROW(drivers, ndrivers+1, drivers_alloc); | |
356 | drv = &drivers[ndrivers++]; | |
357 | memset(drv, 0, sizeof(*drv)); | |
358 | drv->name = xmemdupz(name, namelen); | |
359 | drv->binary = -1; | |
360 | } | |
be58e70d | 361 | |
0a5987fe | 362 | if (!strcmp(type, "funcname")) |
be58e70d | 363 | return parse_funcname(&drv->funcname, k, v, 0); |
0a5987fe | 364 | if (!strcmp(type, "xfuncname")) |
be58e70d | 365 | return parse_funcname(&drv->funcname, k, v, REG_EXTENDED); |
0a5987fe | 366 | if (!strcmp(type, "binary")) |
122aa6f9 | 367 | return parse_tristate(&drv->binary, k, v); |
0a5987fe | 368 | if (!strcmp(type, "command")) |
6680a087 | 369 | return git_config_string(&drv->external, k, v); |
0a5987fe | 370 | if (!strcmp(type, "textconv")) |
6680a087 | 371 | return git_config_string(&drv->textconv, k, v); |
0a5987fe | 372 | if (!strcmp(type, "cachetextconv")) |
d9bae1a1 | 373 | return parse_bool(&drv->textconv_want_cache, k, v); |
0a5987fe | 374 | if (!strcmp(type, "wordregex")) |
6680a087 | 375 | return git_config_string(&drv->word_regex, k, v); |
be58e70d JK |
376 | |
377 | return 0; | |
378 | } | |
379 | ||
3b335762 NTND |
380 | struct userdiff_driver *userdiff_find_by_name(const char *name) |
381 | { | |
be58e70d JK |
382 | int len = strlen(name); |
383 | return userdiff_find_by_namelen(name, len); | |
384 | } | |
385 | ||
acd00ea0 NTND |
386 | struct userdiff_driver *userdiff_find_by_path(struct index_state *istate, |
387 | const char *path) | |
be58e70d | 388 | { |
2aef63d3 | 389 | static struct attr_check *check; |
be58e70d | 390 | |
2aef63d3 JH |
391 | if (!check) |
392 | check = attr_check_initl("diff", NULL); | |
be58e70d JK |
393 | if (!path) |
394 | return NULL; | |
11877b9e | 395 | git_check_attr(istate, path, check); |
be58e70d | 396 | |
2aef63d3 | 397 | if (ATTR_TRUE(check->items[0].value)) |
be58e70d | 398 | return &driver_true; |
2aef63d3 | 399 | if (ATTR_FALSE(check->items[0].value)) |
be58e70d | 400 | return &driver_false; |
2aef63d3 | 401 | if (ATTR_UNSET(check->items[0].value)) |
be58e70d | 402 | return NULL; |
2aef63d3 | 403 | return userdiff_find_by_name(check->items[0].value); |
be58e70d | 404 | } |
3813e690 | 405 | |
bd7ad45b NTND |
406 | struct userdiff_driver *userdiff_get_textconv(struct repository *r, |
407 | struct userdiff_driver *driver) | |
3813e690 JK |
408 | { |
409 | if (!driver->textconv) | |
410 | return NULL; | |
411 | ||
412 | if (driver->textconv_want_cache && !driver->textconv_cache) { | |
413 | struct notes_cache *c = xmalloc(sizeof(*c)); | |
414 | struct strbuf name = STRBUF_INIT; | |
415 | ||
416 | strbuf_addf(&name, "textconv/%s", driver->name); | |
bd7ad45b | 417 | notes_cache_init(r, c, name.buf, driver->textconv); |
3813e690 | 418 | driver->textconv_cache = c; |
460c7eb2 | 419 | strbuf_release(&name); |
3813e690 JK |
420 | } |
421 | ||
422 | return driver; | |
423 | } | |
f12fa9ee ÆAB |
424 | |
425 | static int for_each_userdiff_driver_list(each_userdiff_driver_fn fn, | |
426 | enum userdiff_driver_type type, void *cb_data, | |
427 | struct userdiff_driver *drv, | |
428 | int drv_size) | |
429 | { | |
430 | int i; | |
431 | int ret; | |
432 | for (i = 0; i < drv_size; i++) { | |
433 | struct userdiff_driver *item = drv + i; | |
434 | if ((ret = fn(item, type, cb_data))) | |
435 | return ret; | |
436 | } | |
437 | return 0; | |
438 | } | |
439 | ||
440 | int for_each_userdiff_driver(each_userdiff_driver_fn fn, void *cb_data) | |
441 | { | |
442 | int ret; | |
443 | ||
444 | ret = for_each_userdiff_driver_list(fn, USERDIFF_DRIVER_TYPE_CUSTOM, | |
445 | cb_data, drivers, ndrivers); | |
446 | if (ret) | |
447 | return ret; | |
448 | ||
449 | ret = for_each_userdiff_driver_list(fn, USERDIFF_DRIVER_TYPE_BUILTIN, | |
450 | cb_data, builtin_drivers, | |
451 | ARRAY_SIZE(builtin_drivers)); | |
452 | if (ret) | |
453 | return ret; | |
454 | ||
455 | return 0; | |
456 | } |