void test_commit_parse__signature(void)
{
passing_signature_test_case *passcase;
failing_signature_test_case *failcase;
for (passcase = passing_signature_cases; passcase->string != NULL; passcase++)
{
const char *str = passcase->string;
size_t len = strlen(passcase->string);
struct git_signature person = {0};
cl_git_pass(git_signature__parse(&person, &str, str + len, passcase->header, '\n'));
cl_assert_equal_s(passcase->name, person.name);
cl_assert_equal_s(passcase->email, person.email);
cl_assert_equal_i(passcase->time, person.when.time);
cl_assert_equal_i(passcase->offset, person.when.offset);
git__free(person.name); git__free(person.email);
}
for (failcase = failing_signature_cases; failcase->string != NULL; failcase++)
{
const char *str = failcase->string;
size_t len = strlen(failcase->string);
git_signature person = {0};
cl_git_fail(git_signature__parse(&person, &str, str + len, failcase->header, '\n'));
git__free(person.name); git__free(person.email);
}
}
int git_signature_from_buffer(git_signature **out, const char *buf)
{
git_signature *sig;
const char *buf_end;
int error;
assert(out && buf);
*out = NULL;
sig = git__calloc(1, sizeof(git_signature));
GITERR_CHECK_ALLOC(sig);
buf_end = buf + strlen(buf);
error = git_signature__parse(sig, &buf, buf_end, NULL, '\0');
if (error)
git__free(sig);
else
*out = sig;
return error;
}
int git_commit__parse_raw(void *_commit, const char *data, size_t size)
{
git_commit *commit = _commit;
const char *buffer_start = data, *buffer;
const char *buffer_end = buffer_start + size;
git_oid parent_id;
size_t header_len;
git_signature dummy_sig;
buffer = buffer_start;
/* Allocate for one, which will allow not to realloc 90% of the time */
git_array_init_to_size(commit->parent_ids, 1);
GITERR_CHECK_ARRAY(commit->parent_ids);
/* The tree is always the first field */
if (git_oid__parse(&commit->tree_id, &buffer, buffer_end, "tree ") < 0)
goto bad_buffer;
/*
* TODO: commit grafts!
*/
while (git_oid__parse(&parent_id, &buffer, buffer_end, "parent ") == 0) {
git_oid *new_id = git_array_alloc(commit->parent_ids);
GITERR_CHECK_ALLOC(new_id);
git_oid_cpy(new_id, &parent_id);
}
commit->author = git__malloc(sizeof(git_signature));
GITERR_CHECK_ALLOC(commit->author);
if (git_signature__parse(commit->author, &buffer, buffer_end, "author ", '\n') < 0)
return -1;
/* Some tools create multiple author fields, ignore the extra ones */
while (!git__prefixncmp(buffer, buffer_end - buffer, "author ")) {
if (git_signature__parse(&dummy_sig, &buffer, buffer_end, "author ", '\n') < 0)
return -1;
git__free(dummy_sig.name);
git__free(dummy_sig.email);
}
/* Always parse the committer; we need the commit time */
commit->committer = git__malloc(sizeof(git_signature));
GITERR_CHECK_ALLOC(commit->committer);
if (git_signature__parse(commit->committer, &buffer, buffer_end, "committer ", '\n') < 0)
return -1;
/* Parse add'l header entries */
while (buffer < buffer_end) {
const char *eoln = buffer;
if (buffer[-1] == '\n' && buffer[0] == '\n')
break;
while (eoln < buffer_end && *eoln != '\n')
++eoln;
if (git__prefixncmp(buffer, buffer_end - buffer, "encoding ") == 0) {
buffer += strlen("encoding ");
commit->message_encoding = git__strndup(buffer, eoln - buffer);
GITERR_CHECK_ALLOC(commit->message_encoding);
}
if (eoln < buffer_end && *eoln == '\n')
++eoln;
buffer = eoln;
}
header_len = buffer - buffer_start;
commit->raw_header = git__strndup(buffer_start, header_len);
GITERR_CHECK_ALLOC(commit->raw_header);
/* point "buffer" to data after header, +1 for the final LF */
buffer = buffer_start + header_len + 1;
/* extract commit message */
if (buffer <= buffer_end)
commit->raw_message = git__strndup(buffer, buffer_end - buffer);
else
commit->raw_message = git__strdup("");
GITERR_CHECK_ALLOC(commit->raw_message);
return 0;
bad_buffer:
giterr_set(GITERR_OBJECT, "failed to parse bad commit object");
return -1;
}
int commit_parse_buffer(git_commit *commit, void *data, size_t len, unsigned int parse_flags)
{
char *buffer = (char *)data;
const char *buffer_end = (char *)data + len;
git_oid oid;
int error;
/* first parse; the vector hasn't been initialized yet */
if (commit->parents.contents == NULL) {
git_vector_init(&commit->parents, 4, NULL, NULL);
}
clear_parents(commit);
if ((error = git__parse_oid(&oid, &buffer, buffer_end, "tree ")) < GIT_SUCCESS)
return error;
if ((error = git_repository_lookup((git_object **)&commit->tree, commit->object.repo, &oid, GIT_OBJ_TREE)) < GIT_SUCCESS)
return error;
/*
* TODO: commit grafts!
*/
while (git__parse_oid(&oid, &buffer, buffer_end, "parent ") == GIT_SUCCESS) {
git_commit *parent;
if ((error = git_repository_lookup((git_object **)&parent, commit->object.repo, &oid, GIT_OBJ_COMMIT)) < GIT_SUCCESS)
return error;
if (git_vector_insert(&commit->parents, parent) < GIT_SUCCESS)
return GIT_ENOMEM;
}
if (parse_flags & COMMIT_FULL_PARSE) {
if (commit->author)
git_signature_free(commit->author);
commit->author = git__malloc(sizeof(git_signature));
if ((error = git_signature__parse(commit->author, &buffer, buffer_end, "author ")) < GIT_SUCCESS)
return error;
} else {
if ((buffer = memchr(buffer, '\n', buffer_end - buffer)) == NULL)
return GIT_EOBJCORRUPTED;
buffer++;
}
/* Always parse the committer; we need the commit time */
if (commit->committer)
git_signature_free(commit->committer);
commit->committer = git__malloc(sizeof(git_signature));
if ((error = git_signature__parse(commit->committer, &buffer, buffer_end, "committer ")) < GIT_SUCCESS)
return error;
/* parse commit message */
while (buffer <= buffer_end && *buffer == '\n')
buffer++;
if (parse_flags & COMMIT_FULL_PARSE && buffer < buffer_end) {
const char *line_end;
size_t message_len = buffer_end - buffer;
/* Long message */
message_len = buffer_end - buffer;
commit->message = git__malloc(message_len + 1);
memcpy(commit->message, buffer, message_len);
commit->message[message_len] = 0;
/* Short message */
if((line_end = memchr(buffer, '\n', buffer_end - buffer)) == NULL)
line_end = buffer_end;
message_len = line_end - buffer;
commit->message_short = git__malloc(message_len + 1);
memcpy(commit->message_short, buffer, message_len);
commit->message_short[message_len] = 0;
}
return GIT_SUCCESS;
}
static int tag_parse(git_tag *tag, const char *buffer, const char *buffer_end)
{
static const char *tag_types[] = {
NULL, "commit\n", "tree\n", "blob\n", "tag\n"
};
unsigned int i;
size_t text_len, alloc_len;
char *search;
if (git_oid__parse(&tag->target, &buffer, buffer_end, "object ") < 0)
return tag_error("Object field invalid");
if (buffer + 5 >= buffer_end)
return tag_error("Object too short");
if (memcmp(buffer, "type ", 5) != 0)
return tag_error("Type field not found");
buffer += 5;
tag->type = GIT_OBJ_BAD;
for (i = 1; i < ARRAY_SIZE(tag_types); ++i) {
size_t type_length = strlen(tag_types[i]);
if (buffer + type_length >= buffer_end)
return tag_error("Object too short");
if (memcmp(buffer, tag_types[i], type_length) == 0) {
tag->type = i;
buffer += type_length;
break;
}
}
if (tag->type == GIT_OBJ_BAD)
return tag_error("Invalid object type");
if (buffer + 4 >= buffer_end)
return tag_error("Object too short");
if (memcmp(buffer, "tag ", 4) != 0)
return tag_error("Tag field not found");
buffer += 4;
search = memchr(buffer, '\n', buffer_end - buffer);
if (search == NULL)
return tag_error("Object too short");
text_len = search - buffer;
GITERR_CHECK_ALLOC_ADD(&alloc_len, text_len, 1);
tag->tag_name = git__malloc(alloc_len);
GITERR_CHECK_ALLOC(tag->tag_name);
memcpy(tag->tag_name, buffer, text_len);
tag->tag_name[text_len] = '\0';
buffer = search + 1;
tag->tagger = NULL;
if (buffer < buffer_end && *buffer != '\n') {
tag->tagger = git__malloc(sizeof(git_signature));
GITERR_CHECK_ALLOC(tag->tagger);
if (git_signature__parse(tag->tagger, &buffer, buffer_end, "tagger ", '\n') < 0)
return -1;
}
tag->message = NULL;
if (buffer < buffer_end) {
if( *buffer != '\n' )
return tag_error("No new line before message");
text_len = buffer_end - ++buffer;
GITERR_CHECK_ALLOC_ADD(&alloc_len, text_len, 1);
tag->message = git__malloc(alloc_len);
GITERR_CHECK_ALLOC(tag->message);
memcpy(tag->message, buffer, text_len);
tag->message[text_len] = '\0';
}
return 0;
}
int git_commit__parse_buffer(git_commit *commit, const void *data, size_t len)
{
const char *buffer = data;
const char *buffer_end = (const char *)data + len;
git_oid parent_oid;
int error;
git_vector_init(&commit->parent_oids, 4, NULL);
if ((error = git_oid__parse(&commit->tree_oid, &buffer, buffer_end, "tree ")) < GIT_SUCCESS)
return git__rethrow(error, "Failed to parse buffer");
/*
* TODO: commit grafts!
*/
while (git_oid__parse(&parent_oid, &buffer, buffer_end, "parent ") == GIT_SUCCESS) {
git_oid *new_oid;
new_oid = git__malloc(sizeof(git_oid));
git_oid_cpy(new_oid, &parent_oid);
if (git_vector_insert(&commit->parent_oids, new_oid) < GIT_SUCCESS)
return GIT_ENOMEM;
}
commit->author = git__malloc(sizeof(git_signature));
if ((error = git_signature__parse(commit->author, &buffer, buffer_end, "author ", '\n')) < GIT_SUCCESS)
return git__rethrow(error, "Failed to parse commit");
/* Always parse the committer; we need the commit time */
commit->committer = git__malloc(sizeof(git_signature));
if ((error = git_signature__parse(commit->committer, &buffer, buffer_end, "committer ", '\n')) < GIT_SUCCESS)
return git__rethrow(error, "Failed to parse commit");
if (git__prefixcmp(buffer, "encoding ") == 0) {
const char *encoding_end;
buffer += strlen("encoding ");
encoding_end = buffer;
while (encoding_end < buffer_end && *encoding_end != '\n')
encoding_end++;
commit->message_encoding = git__strndup(buffer, encoding_end - buffer);
if (!commit->message_encoding)
return GIT_ENOMEM;
buffer = encoding_end;
}
/* parse commit message */
while (buffer < buffer_end && *buffer == '\n')
buffer++;
if (buffer < buffer_end) {
commit->message = git__strndup(buffer, buffer_end - buffer);
if (!commit->message)
return GIT_ENOMEM;
}
return GIT_SUCCESS;
}
int git_commit__parse_buffer(git_commit *commit, const void *data, size_t len)
{
const char *buffer = data;
const char *buffer_end = (const char *)data + len;
git_oid parent_id;
if (git_vector_init(&commit->parent_ids, 4, NULL) < 0)
return -1;
if (git_oid__parse(&commit->tree_id, &buffer, buffer_end, "tree ") < 0)
goto bad_buffer;
/*
* TODO: commit grafts!
*/
while (git_oid__parse(&parent_id, &buffer, buffer_end, "parent ") == 0) {
git_oid *new_id = git__malloc(sizeof(git_oid));
GITERR_CHECK_ALLOC(new_id);
git_oid_cpy(new_id, &parent_id);
if (git_vector_insert(&commit->parent_ids, new_id) < 0)
return -1;
}
commit->author = git__malloc(sizeof(git_signature));
GITERR_CHECK_ALLOC(commit->author);
if (git_signature__parse(commit->author, &buffer, buffer_end, "author ", '\n') < 0)
return -1;
/* Always parse the committer; we need the commit time */
commit->committer = git__malloc(sizeof(git_signature));
GITERR_CHECK_ALLOC(commit->committer);
if (git_signature__parse(commit->committer, &buffer, buffer_end, "committer ", '\n') < 0)
return -1;
/* Parse add'l header entries until blank line found */
while (buffer < buffer_end && *buffer != '\n') {
const char *eoln = buffer;
while (eoln < buffer_end && *eoln != '\n')
++eoln;
if (git__prefixcmp(buffer, "encoding ") == 0) {
buffer += strlen("encoding ");
commit->message_encoding = git__strndup(buffer, eoln - buffer);
GITERR_CHECK_ALLOC(commit->message_encoding);
}
if (eoln < buffer_end && *eoln == '\n')
++eoln;
buffer = eoln;
}
/* skip blank lines */
while (buffer < buffer_end - 1 && *buffer == '\n')
buffer++;
/* parse commit message */
if (buffer <= buffer_end) {
commit->message = git__strndup(buffer, buffer_end - buffer);
GITERR_CHECK_ALLOC(commit->message);
}
return 0;
bad_buffer:
giterr_set(GITERR_OBJECT, "Failed to parse bad commit object");
return -1;
}
