diff options
Diffstat (limited to 'userdiff.c')
-rw-r--r-- | userdiff.c | 178 |
1 files changed, 121 insertions, 57 deletions
diff --git a/userdiff.c b/userdiff.c index 3f81a2261c..3c3bbe38b0 100644 --- a/userdiff.c +++ b/userdiff.c @@ -44,6 +44,46 @@ PATTERNS("bash", /* -- */ /* Characters not in the default $IFS value */ "[^ \t]+"), +PATTERNS("bibtex", + "(@[a-zA-Z]{1,}[ \t]*\\{{0,1}[ \t]*[^ \t\"@',\\#}{~%]*).*$", + /* -- */ + "[={}\"]|[^={}\" \t]+"), +PATTERNS("cpp", + /* Jump targets or access declarations */ + "!^[ \t]*[A-Za-z_][A-Za-z_0-9]*:[[:space:]]*($|/[/*])\n" + /* functions/methods, variables, and compounds at top level */ + "^((::[[:space:]]*)?[A-Za-z_].*)$", + /* -- */ + "[a-zA-Z_][a-zA-Z0-9_]*" + "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lLuU]*" + "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->\\*?|\\.\\*"), +PATTERNS("csharp", + /* Keywords */ + "!^[ \t]*(do|while|for|if|else|instanceof|new|return|switch|case|throw|catch|using)\n" + /* Methods and constructors */ + "^[ \t]*(((static|public|internal|private|protected|new|virtual|sealed|override|unsafe|async)[ \t]+)*[][<>@.~_[:alnum:]]+[ \t]+[<>@._[:alnum:]]+[ \t]*\\(.*\\))[ \t]*$\n" + /* Properties */ + "^[ \t]*(((static|public|internal|private|protected|new|virtual|sealed|override|unsafe)[ \t]+)*[][<>@.~_[:alnum:]]+[ \t]+[@._[:alnum:]]+)[ \t]*$\n" + /* Type definitions */ + "^[ \t]*(((static|public|internal|private|protected|new|unsafe|sealed|abstract|partial)[ \t]+)*(class|enum|interface|struct)[ \t]+.*)$\n" + /* Namespace */ + "^[ \t]*(namespace[ \t]+.*)$", + /* -- */ + "[a-zA-Z_][a-zA-Z0-9_]*" + "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?" + "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"), +IPATTERN("css", + "![:;][[:space:]]*$\n" + "^[:[@.#]?[_a-z0-9].*$", + /* -- */ + /* + * This regex comes from W3C CSS specs. Should theoretically also + * allow ISO 10646 characters U+00A0 and higher, + * but they are not handled in this regex. + */ + "-?[_a-zA-Z][-_a-zA-Z0-9]*" /* identifiers */ + "|-?[0-9]+|\\#[0-9a-fA-F]+" /* numbers */ +), PATTERNS("dts", "!;\n" "!=\n" @@ -83,7 +123,9 @@ IPATTERN("fortran", * they would have been matched above as a variable anyway. */ "|[-+]?[0-9.]+([AaIiDdEeFfLlTtXx][Ss]?[-+]?[0-9.]*)?(_[a-zA-Z0-9][a-zA-Z0-9_]*)?" "|//|\\*\\*|::|[/<>=]="), -IPATTERN("fountain", "^((\\.[^.]|(int|ext|est|int\\.?/ext|i/e)[. ]).*)$", +IPATTERN("fountain", + "^((\\.[^.]|(int|ext|est|int\\.?/ext|i/e)[. ]).*)$", + /* -- */ "[^ \t-]+"), PATTERNS("golang", /* Functions */ @@ -94,7 +136,9 @@ PATTERNS("golang", "[a-zA-Z_][a-zA-Z0-9_]*" "|[-+0-9.eE]+i?|0[xX]?[0-9a-fA-F]+i?" "|[-+*/<>%&^|=!:]=|--|\\+\\+|<<=?|>>=?|&\\^=?|&&|\\|\\||<-|\\.{3}"), -PATTERNS("html", "^[ \t]*(<[Hh][1-6]([ \t].*)?>.*)$", +PATTERNS("html", + "^[ \t]*(<[Hh][1-6]([ \t].*)?>.*)$", + /* -- */ "[^<>= \t]+"), PATTERNS("java", "!^[ \t]*(catch|do|for|if|instanceof|new|return|switch|throw|while)\n" @@ -106,6 +150,7 @@ PATTERNS("java", "|--|\\+\\+|<<=?|>>>?=?|&&|\\|\\|"), PATTERNS("markdown", "^ {0,3}#{1,6}[ \t].*", + /* -- */ "[^<>= \t]+"), PATTERNS("matlab", /* @@ -114,6 +159,7 @@ PATTERNS("matlab", * that is understood by both. */ "^[[:space:]]*((classdef|function)[[:space:]].*)$|^(%%%?|##)[[:space:]].*$", + /* -- */ "[a-zA-Z_][a-zA-Z0-9_]*|[-+0-9.e]+|[=~<>]=|\\.[*/\\^']|\\|\\||&&"), PATTERNS("objc", /* Negate C statements that can look like functions */ @@ -129,9 +175,8 @@ PATTERNS("objc", "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?" "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"), PATTERNS("pascal", - "^(((class[ \t]+)?(procedure|function)|constructor|destructor|interface|" - "implementation|initialization|finalization)[ \t]*.*)$" - "\n" + "^(((class[ \t]+)?(procedure|function)|constructor|destructor|interface" + "|implementation|initialization|finalization)[ \t]*.*)$\n" "^(.*=[ \t]*(class|record).*)$", /* -- */ "[a-zA-Z_][a-zA-Z0-9_]*" @@ -174,13 +219,15 @@ PATTERNS("php", "[a-zA-Z_][a-zA-Z0-9_]*" "|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+" "|[-+*/<>%&^|=!.]=|--|\\+\\+|<<=?|>>=?|===|&&|\\|\\||::|->"), -PATTERNS("python", "^[ \t]*((class|(async[ \t]+)?def)[ \t].*)$", +PATTERNS("python", + "^[ \t]*((class|(async[ \t]+)?def)[ \t].*)$", /* -- */ "[a-zA-Z_][a-zA-Z0-9_]*" "|[-+0-9.e]+[jJlL]?|0[xX]?[0-9a-fA-F]+[lL]?" "|[-+*/<>%&^|=!]=|//=?|<<=?|>>=?|\\*\\*=?"), /* -- */ -PATTERNS("ruby", "^[ \t]*((class|module|def)[ \t].*)$", +PATTERNS("ruby", + "^[ \t]*((class|module|def)[ \t].*)$", /* -- */ "(@|@@|\\$)?[a-zA-Z_][a-zA-Z0-9_]*" "|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+|\\?(\\\\C-)?(\\\\M-)?." @@ -191,46 +238,17 @@ PATTERNS("rust", "[a-zA-Z_][a-zA-Z0-9_]*" "|[0-9][0-9_a-fA-Fiosuxz]*(\\.([0-9]*[eE][+-]?)?[0-9_fF]*)?" "|[-+*\\/<>%&^|=!:]=|<<=?|>>=?|&&|\\|\\||->|=>|\\.{2}=|\\.{3}|::"), -PATTERNS("bibtex", "(@[a-zA-Z]{1,}[ \t]*\\{{0,1}[ \t]*[^ \t\"@',\\#}{~%]*).*$", - "[={}\"]|[^={}\" \t]+"), -PATTERNS("tex", "^(\\\\((sub)*section|chapter|part)\\*{0,1}\\{.*)$", - "\\\\[a-zA-Z@]+|\\\\.|[a-zA-Z0-9\x80-\xff]+"), -PATTERNS("cpp", - /* Jump targets or access declarations */ - "!^[ \t]*[A-Za-z_][A-Za-z_0-9]*:[[:space:]]*($|/[/*])\n" - /* functions/methods, variables, and compounds at top level */ - "^((::[[:space:]]*)?[A-Za-z_].*)$", - /* -- */ - "[a-zA-Z_][a-zA-Z0-9_]*" - "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lLuU]*" - "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->\\*?|\\.\\*"), -PATTERNS("csharp", - /* Keywords */ - "!^[ \t]*(do|while|for|if|else|instanceof|new|return|switch|case|throw|catch|using)\n" - /* Methods and constructors */ - "^[ \t]*(((static|public|internal|private|protected|new|virtual|sealed|override|unsafe|async)[ \t]+)*[][<>@.~_[:alnum:]]+[ \t]+[<>@._[:alnum:]]+[ \t]*\\(.*\\))[ \t]*$\n" - /* Properties */ - "^[ \t]*(((static|public|internal|private|protected|new|virtual|sealed|override|unsafe)[ \t]+)*[][<>@.~_[:alnum:]]+[ \t]+[@._[:alnum:]]+)[ \t]*$\n" - /* Type definitions */ - "^[ \t]*(((static|public|internal|private|protected|new|unsafe|sealed|abstract|partial)[ \t]+)*(class|enum|interface|struct)[ \t]+.*)$\n" - /* Namespace */ - "^[ \t]*(namespace[ \t]+.*)$", - /* -- */ - "[a-zA-Z_][a-zA-Z0-9_]*" - "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?" - "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"), -IPATTERN("css", - "![:;][[:space:]]*$\n" - "^[:[@.#]?[_a-z0-9].*$", - /* -- */ +PATTERNS("scheme", + "^[\t ]*(\\(((define|def(struct|syntax|class|method|rules|record|proto|alias)?)[-*/ \t]|(library|module|struct|class)[*+ \t]).*)$", /* - * This regex comes from W3C CSS specs. Should theoretically also - * allow ISO 10646 characters U+00A0 and higher, - * but they are not handled in this regex. + * R7RS valid identifiers include any sequence enclosed + * within vertical lines having no backslashes */ - "-?[_a-zA-Z][-_a-zA-Z0-9]*" /* identifiers */ - "|-?[0-9]+|\\#[0-9a-fA-F]+" /* numbers */ -), + "\\|([^\\\\]*)\\|" + /* All other words should be delimited by spaces or parentheses */ + "|([^][)(}{[ \t])+"), +PATTERNS("tex", "^(\\\\((sub)*section|chapter|part)\\*{0,1}\\{.*)$", + "\\\\[a-zA-Z@]+|\\\\.|[a-zA-Z0-9\x80-\xff]+"), { "default", NULL, -1, { NULL, 0 } }, }; #undef PATTERNS @@ -250,20 +268,33 @@ static struct userdiff_driver driver_false = { { NULL, 0 } }; -static struct userdiff_driver *userdiff_find_by_namelen(const char *k, size_t len) +struct find_by_namelen_data { + const char *name; + size_t len; + struct userdiff_driver *driver; +}; + +static int userdiff_find_by_namelen_cb(struct userdiff_driver *driver, + enum userdiff_driver_type type, void *priv) { - int i; - for (i = 0; i < ndrivers; i++) { - struct userdiff_driver *drv = drivers + i; - if (!strncmp(drv->name, k, len) && !drv->name[len]) - return drv; - } - for (i = 0; i < ARRAY_SIZE(builtin_drivers); i++) { - struct userdiff_driver *drv = builtin_drivers + i; - if (!strncmp(drv->name, k, len) && !drv->name[len]) - return drv; + struct find_by_namelen_data *cb_data = priv; + + if (!strncmp(driver->name, cb_data->name, cb_data->len) && + !driver->name[cb_data->len]) { + cb_data->driver = driver; + return 1; /* tell the caller to stop iterating */ } - return NULL; + return 0; +} + +static struct userdiff_driver *userdiff_find_by_namelen(const char *name, size_t len) +{ + struct find_by_namelen_data udcbdata = { + .name = name, + .len = len, + }; + for_each_userdiff_driver(userdiff_find_by_namelen_cb, &udcbdata); + return udcbdata.driver; } static int parse_funcname(struct userdiff_funcname *f, const char *k, @@ -370,3 +401,36 @@ struct userdiff_driver *userdiff_get_textconv(struct repository *r, return driver; } + +static int for_each_userdiff_driver_list(each_userdiff_driver_fn fn, + enum userdiff_driver_type type, void *cb_data, + struct userdiff_driver *drv, + int drv_size) +{ + int i; + int ret; + for (i = 0; i < drv_size; i++) { + struct userdiff_driver *item = drv + i; + if ((ret = fn(item, type, cb_data))) + return ret; + } + return 0; +} + +int for_each_userdiff_driver(each_userdiff_driver_fn fn, void *cb_data) +{ + int ret; + + ret = for_each_userdiff_driver_list(fn, USERDIFF_DRIVER_TYPE_CUSTOM, + cb_data, drivers, ndrivers); + if (ret) + return ret; + + ret = for_each_userdiff_driver_list(fn, USERDIFF_DRIVER_TYPE_BUILTIN, + cb_data, builtin_drivers, + ARRAY_SIZE(builtin_drivers)); + if (ret) + return ret; + + return 0; +} |