diff options
| -rw-r--r-- | diff.c | 52 | ||||
| -rw-r--r-- | diffcore.h | 8 | ||||
| -rw-r--r-- | userdiff.c | 19 | ||||
| -rw-r--r-- | userdiff.h | 4 |
4 files changed, 45 insertions, 38 deletions
@@ -1268,46 +1268,37 @@ static void emit_binary_diff(FILE *file, mmfile_t *one, mmfile_t *two) emit_binary_diff_body(file, two, one); } -static void diff_filespec_check_attr(struct diff_filespec *one) +void diff_filespec_load_driver(struct diff_filespec *one) { - struct userdiff_driver *drv; - int check_from_data = 0; - - if (one->checked_attr) - return; - - drv = userdiff_find_by_path(one->path); - one->is_binary = 0; - - /* binaryness */ - if (drv == USERDIFF_ATTR_TRUE) - ; - else if (drv == USERDIFF_ATTR_FALSE) - one->is_binary = 1; - else - check_from_data = 1; - - if (check_from_data) { - if (!one->data && DIFF_FILE_VALID(one)) - diff_populate_filespec(one, 0); - - if (one->data) - one->is_binary = buffer_is_binary(one->data, one->size); - } + if (!one->driver) + one->driver = userdiff_find_by_path(one->path); + if (!one->driver) + one->driver = userdiff_find_by_name("default"); } int diff_filespec_is_binary(struct diff_filespec *one) { - diff_filespec_check_attr(one); + if (one->is_binary == -1) { + diff_filespec_load_driver(one); + if (one->driver->binary != -1) + one->is_binary = one->driver->binary; + else { + if (!one->data && DIFF_FILE_VALID(one)) + diff_populate_filespec(one, 0); + if (one->data) + one->is_binary = buffer_is_binary(one->data, + one->size); + if (one->is_binary == -1) + one->is_binary = 0; + } + } return one->is_binary; } static const struct userdiff_funcname *diff_funcname_pattern(struct diff_filespec *one) { - struct userdiff_driver *drv = userdiff_find_by_path(one->path); - if (!drv) - drv = userdiff_find_by_name("default"); - return drv && drv->funcname.pattern ? &drv->funcname : NULL; + diff_filespec_load_driver(one); + return one->driver->funcname.pattern ? &one->driver->funcname : NULL; } void diff_set_mnemonic_prefix(struct diff_options *options, const char *a, const char *b) @@ -1559,6 +1550,7 @@ struct diff_filespec *alloc_filespec(const char *path) spec->path = (char *)(spec + 1); memcpy(spec->path, path, namelen+1); spec->count = 1; + spec->is_binary = -1; return spec; } diff --git a/diffcore.h b/diffcore.h index 8ae35785f..713cca785 100644 --- a/diffcore.h +++ b/diffcore.h @@ -22,6 +22,8 @@ #define MINIMUM_BREAK_SIZE 400 /* do not break a file smaller than this */ +struct userdiff_driver; + struct diff_filespec { unsigned char sha1[20]; char *path; @@ -40,8 +42,10 @@ struct diff_filespec { #define DIFF_FILE_VALID(spec) (((spec)->mode) != 0) unsigned should_free : 1; /* data should be free()'ed */ unsigned should_munmap : 1; /* data should be munmap()'ed */ - unsigned checked_attr : 1; - unsigned is_binary : 1; /* data should be considered "binary" */ + + struct userdiff_driver *driver; + /* data should be considered "binary"; -1 means "don't know yet" */ + int is_binary; }; extern struct diff_filespec *alloc_filespec(const char *); diff --git a/userdiff.c b/userdiff.c index 80e2857ab..58478a691 100644 --- a/userdiff.c +++ b/userdiff.c @@ -7,7 +7,7 @@ static int ndrivers; static int drivers_alloc; #define FUNCNAME(name, pattern) \ - { name, NULL, { pattern, REG_EXTENDED } } + { name, NULL, -1, { pattern, REG_EXTENDED } } static struct userdiff_driver builtin_drivers[] = { FUNCNAME("html", "^[ \t]*(<[Hh][1-6][ \t].*>.*)$"), FUNCNAME("java", @@ -32,22 +32,23 @@ FUNCNAME("python", "^[ \t]*((class|def)[ \t].*)$"), FUNCNAME("ruby", "^[ \t]*((class|module|def)[ \t].*)$"), FUNCNAME("bibtex", "(@[a-zA-Z]{1,}[ \t]*\\{{0,1}[ \t]*[^ \t\"@',\\#}{~%]*).*$"), FUNCNAME("tex", "^(\\\\((sub)*section|chapter|part)\\*{0,1}\\{.*)$"), +{ "default", NULL, -1, { NULL, 0 } }, }; #undef FUNCNAME static struct userdiff_driver driver_true = { "diff=true", NULL, + 0, { NULL, 0 } }; -struct userdiff_driver *USERDIFF_ATTR_TRUE = &driver_true; static struct userdiff_driver driver_false = { "!diff", NULL, + 1, { NULL, 0 } }; -struct userdiff_driver *USERDIFF_ATTR_FALSE = &driver_false; static struct userdiff_driver *userdiff_find_by_namelen(const char *k, int len) { @@ -89,6 +90,7 @@ static struct userdiff_driver *parse_driver(const char *var, drv = &drivers[ndrivers++]; memset(drv, 0, sizeof(*drv)); drv->name = xmemdupz(name, namelen); + drv->binary = -1; } return drv; } @@ -109,6 +111,15 @@ static int parse_string(const char **d, const char *k, const char *v) return 1; } +static int parse_tristate(int *b, const char *k, const char *v) +{ + if (v && !strcasecmp(v, "auto")) + *b = -1; + else + *b = git_config_bool(k, v); + return 1; +} + int userdiff_config_basic(const char *k, const char *v) { struct userdiff_driver *drv; @@ -117,6 +128,8 @@ int userdiff_config_basic(const char *k, const char *v) return parse_funcname(&drv->funcname, k, v, 0); if ((drv = parse_driver(k, v, "xfuncname"))) return parse_funcname(&drv->funcname, k, v, REG_EXTENDED); + if ((drv = parse_driver(k, v, "binary"))) + return parse_tristate(&drv->binary, k, v); return 0; } diff --git a/userdiff.h b/userdiff.h index c64c5f566..1c1eb042b 100644 --- a/userdiff.h +++ b/userdiff.h @@ -9,12 +9,10 @@ struct userdiff_funcname { struct userdiff_driver { const char *name; const char *external; + int binary; struct userdiff_funcname funcname; }; -extern struct userdiff_driver *USERDIFF_ATTR_TRUE; -extern struct userdiff_driver *USERDIFF_ATTR_FALSE; - int userdiff_config_basic(const char *k, const char *v); int userdiff_config_porcelain(const char *k, const char *v); struct userdiff_driver *userdiff_find_by_name(const char *name); |