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tree: Fix lookups by entry name

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This commit is contained in:
Vicent Marti 2011-10-19 01:34:42 +02:00
parent 5fa1bed0f7
commit 8cf2de078d
2 changed files with 17 additions and 2 deletions
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6
include/git2/tree.h
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@ -88,6 +88,9 @@ GIT_EXTERN(unsigned int) git_tree_entrycount(git_tree *tree);
/**
* Lookup a tree entry by its filename
*
* Note that if the entry in the tree is a folder instead of
* a standard file, the given name must be ended with a slash.
*
* @param tree a previously loaded tree.
* @param filename the filename of the desired entry
* @return the tree entry; NULL if not found
@ -203,6 +206,9 @@ GIT_EXTERN(void) git_treebuilder_free(git_treebuilder *bld);
/**
* Get an entry from the builder from its filename
*
* Note that if the entry in the tree is a folder instead of
* a standard file, the given name must be ended with a slash.
*
* The returned entry is owned by the builder and should
* not be freed manually.
*

13
src/tree.c
View File

@ -23,6 +23,7 @@ static int valid_attributes(const int attributes)
struct tree_key_search {
const char *filename;
size_t filename_len;
int is_folder;
};
static int entry_search_cmp(const void *key, const void *array_member)
@ -32,7 +33,7 @@ static int entry_search_cmp(const void *key, const void *array_member)
int result =
git_futils_cmp_path(
ksearch->filename, ksearch->filename_len, entry->attr & 040000,
ksearch->filename, ksearch->filename_len, ksearch->is_folder,
entry->filename, entry->filename_len, entry->attr & 040000);
return result ? result : ((int)ksearch->filename_len - (int)entry->filename_len);
@ -51,15 +52,19 @@ static int entry_sort_cmp(const void *a, const void *b)
static int build_ksearch(struct tree_key_search *ksearch, const char *path)
{
size_t len = strlen(path);
int is_folder = 0;
if (len && path[len - 1] == '/')
if (len && path[len - 1] == '/') {
is_folder = 1;
len--;
}
if (len == 0 || memchr(path, '/', len) != NULL)
return GIT_ERROR;
ksearch->filename = path;
ksearch->filename_len = len;
ksearch->is_folder = is_folder;
return GIT_SUCCESS;
}
@ -420,6 +425,10 @@ int git_treebuilder_insert(git_tree_entry **entry_out, git_treebuilder *bld, con
if (build_ksearch(&ksearch, filename) < GIT_SUCCESS)
return git__throw(GIT_ERROR, "Failed to insert entry. Invalid filename '%s'", filename);
if ((attributes & 040000) != 0) {
ksearch.is_folder = 1;
}
if ((pos = git_vector_bsearch2(&bld->entries, entry_search_cmp, &ksearch)) != GIT_ENOTFOUND) {
entry = git_vector_get(&bld->entries, pos);
if (entry->removed) {