diff options
| -rw-r--r-- | Documentation/technical/api-gitattributes.txt | 44 | ||||
| -rw-r--r-- | attr.c | 28 | ||||
| -rw-r--r-- | attr.h | 9 |
3 files changed, 67 insertions, 14 deletions
diff --git a/Documentation/technical/api-gitattributes.txt b/Documentation/technical/api-gitattributes.txt index ab3a84d2f..16ccb1cdc 100644 --- a/Documentation/technical/api-gitattributes.txt +++ b/Documentation/technical/api-gitattributes.txt @@ -22,19 +22,6 @@ Data Structure to `git_checkattr()` function, and receives the results. -Calling Sequence ----------------- - -* Prepare an array of `struct git_attr_check` to define the list of - attributes you would want to check. To populate this array, you would - need to define necessary attributes by calling `git_attr()` function. - -* Call git_checkattr() to check the attributes for the path. - -* Inspect `git_attr_check` structure to see how each of the attribute in - the array is defined for the path. - - Attribute Values ---------------- @@ -58,6 +45,19 @@ If none of the above returns true, `.value` member points at a string value of the attribute for the path. +Querying Specific Attributes +---------------------------- + +* Prepare an array of `struct git_attr_check` to define the list of + attributes you would want to check. To populate this array, you would + need to define necessary attributes by calling `git_attr()` function. + +* Call `git_checkattr()` to check the attributes for the path. + +* Inspect `git_attr_check` structure to see how each of the attribute in + the array is defined for the path. + + Example ------- @@ -109,4 +109,20 @@ static void setup_check(void) } ------------ -(JC) + +Querying All Attributes +----------------------- + +To get the values of all attributes associated with a file: + +* Call `git_all_attrs()`, which returns an array of `git_attr_check` + structures. + +* Iterate over the `git_attr_check` array to examine the attribute + names and values. The name of the attribute described by a + `git_attr_check` object can be retrieved via + `git_attr_name(check[i].attr)`. (Please note that no items will be + returned for unset attributes, so `ATTR_UNSET()` will return false + for all returned `git_array_check` objects.) + +* Free the `git_array_check` array. @@ -747,6 +747,34 @@ int git_checkattr(const char *path, int num, struct git_attr_check *check) return 0; } +int git_all_attrs(const char *path, int *num, struct git_attr_check **check) +{ + int i, count, j; + + collect_all_attrs(path); + + /* Count the number of attributes that are set. */ + count = 0; + for (i = 0; i < attr_nr; i++) { + const char *value = check_all_attr[i].value; + if (value != ATTR__UNSET && value != ATTR__UNKNOWN) + ++count; + } + *num = count; + *check = xmalloc(sizeof(**check) * count); + j = 0; + for (i = 0; i < attr_nr; i++) { + const char *value = check_all_attr[i].value; + if (value != ATTR__UNSET && value != ATTR__UNKNOWN) { + (*check)[j].attr = check_all_attr[i].attr; + (*check)[j].value = value; + ++j; + } + } + + return 0; +} + void git_attr_set_direction(enum git_attr_direction new, struct index_state *istate) { enum git_attr_direction old = direction; @@ -38,6 +38,15 @@ char *git_attr_name(struct git_attr *); int git_checkattr(const char *path, int, struct git_attr_check *); +/* + * Retrieve all attributes that apply to the specified path. *num + * will be set the the number of attributes on the path; **check will + * be set to point at a newly-allocated array of git_attr_check + * objects describing the attributes and their values. *check must be + * free()ed by the caller. + */ +int git_all_attrs(const char *path, int *num, struct git_attr_check **check); + enum git_attr_direction { GIT_ATTR_CHECKIN, GIT_ATTR_CHECKOUT, |