diff options
| -rw-r--r-- | apply.c | 69 | ||||
| -rw-r--r-- | apply.h | 48 |
2 files changed, 67 insertions, 50 deletions
@@ -207,40 +207,6 @@ struct fragment { #define BINARY_DELTA_DEFLATED 1 #define BINARY_LITERAL_DEFLATED 2 -/* - * This represents a "patch" to a file, both metainfo changes - * such as creation/deletion, filemode and content changes represented - * as a series of fragments. - */ -struct patch { - char *new_name, *old_name, *def_name; - unsigned int old_mode, new_mode; - int is_new, is_delete; /* -1 = unknown, 0 = false, 1 = true */ - int rejected; - unsigned ws_rule; - int lines_added, lines_deleted; - int score; - int extension_linenr; /* first line specifying delete/new/rename/copy */ - unsigned int is_toplevel_relative:1; - unsigned int inaccurate_eof:1; - unsigned int is_binary:1; - unsigned int is_copy:1; - unsigned int is_rename:1; - unsigned int recount:1; - unsigned int conflicted_threeway:1; - unsigned int direct_to_threeway:1; - unsigned int crlf_in_old:1; - struct fragment *fragments; - char *result; - size_t resultsize; - char old_oid_prefix[GIT_MAX_HEXSZ + 1]; - char new_oid_prefix[GIT_MAX_HEXSZ + 1]; - struct patch *next; - - /* three-way fallback result */ - struct object_id threeway_stage[3]; -}; - static void free_fragment_list(struct fragment *list) { while (list) { @@ -1320,12 +1286,13 @@ static int check_header_line(int linenr, struct patch *patch) return 0; } -/* Verify that we recognize the lines following a git header */ -static int parse_git_header(struct apply_state *state, - const char *line, - int len, - unsigned int size, - struct patch *patch) +int parse_git_diff_header(struct strbuf *root, + int *linenr, + int p_value, + const char *line, + int len, + unsigned int size, + struct patch *patch) { unsigned long offset; struct gitdiff_data parse_hdr_state; @@ -1340,21 +1307,21 @@ static int parse_git_header(struct apply_state *state, * or removing or adding empty files), so we get * the default name from the header. */ - patch->def_name = git_header_name(state->p_value, line, len); - if (patch->def_name && state->root.len) { - char *s = xstrfmt("%s%s", state->root.buf, patch->def_name); + patch->def_name = git_header_name(p_value, line, len); + if (patch->def_name && root->len) { + char *s = xstrfmt("%s%s", root->buf, patch->def_name); free(patch->def_name); patch->def_name = s; } line += len; size -= len; - state->linenr++; - parse_hdr_state.root = &state->root; - parse_hdr_state.linenr = state->linenr; - parse_hdr_state.p_value = state->p_value; + (*linenr)++; + parse_hdr_state.root = root; + parse_hdr_state.linenr = *linenr; + parse_hdr_state.p_value = p_value; - for (offset = len ; size > 0 ; offset += len, size -= len, line += len, state->linenr++) { + for (offset = len ; size > 0 ; offset += len, size -= len, line += len, (*linenr)++) { static const struct opentry { const char *str; int (*fn)(struct gitdiff_data *, const char *, struct patch *); @@ -1391,7 +1358,7 @@ static int parse_git_header(struct apply_state *state, res = p->fn(&parse_hdr_state, line + oplen, patch); if (res < 0) return -1; - if (check_header_line(state->linenr, patch)) + if (check_header_line(*linenr, patch)) return -1; if (res > 0) return offset; @@ -1572,7 +1539,9 @@ static int find_header(struct apply_state *state, * or mode change, so we handle that specially */ if (!memcmp("diff --git ", line, 11)) { - int git_hdr_len = parse_git_header(state, line, len, size, patch); + int git_hdr_len = parse_git_diff_header(&state->root, &state->linenr, + state->p_value, line, len, + size, patch); if (git_hdr_len < 0) return -128; if (git_hdr_len <= len) @@ -117,6 +117,40 @@ struct apply_state { int applied_after_fixing_ws; }; +/* + * This represents a "patch" to a file, both metainfo changes + * such as creation/deletion, filemode and content changes represented + * as a series of fragments. + */ +struct patch { + char *new_name, *old_name, *def_name; + unsigned int old_mode, new_mode; + int is_new, is_delete; /* -1 = unknown, 0 = false, 1 = true */ + int rejected; + unsigned ws_rule; + int lines_added, lines_deleted; + int score; + int extension_linenr; /* first line specifying delete/new/rename/copy */ + unsigned int is_toplevel_relative:1; + unsigned int inaccurate_eof:1; + unsigned int is_binary:1; + unsigned int is_copy:1; + unsigned int is_rename:1; + unsigned int recount:1; + unsigned int conflicted_threeway:1; + unsigned int direct_to_threeway:1; + unsigned int crlf_in_old:1; + struct fragment *fragments; + char *result; + size_t resultsize; + char old_oid_prefix[GIT_MAX_HEXSZ + 1]; + char new_oid_prefix[GIT_MAX_HEXSZ + 1]; + struct patch *next; + + /* three-way fallback result */ + struct object_id threeway_stage[3]; +}; + int apply_parse_options(int argc, const char **argv, struct apply_state *state, int *force_apply, int *options, @@ -128,6 +162,20 @@ void clear_apply_state(struct apply_state *state); int check_apply_state(struct apply_state *state, int force_apply); /* + * Parse a git diff header, starting at line. Fills the relevant + * metadata information in 'struct patch'. + * + * Returns -1 on failure, the length of the parsed header otherwise. + */ +int parse_git_diff_header(struct strbuf *root, + int *linenr, + int p_value, + const char *line, + int len, + unsigned int size, + struct patch *patch); + +/* * Some aspects of the apply behavior are controlled by the following * bits in the "options" parameter passed to apply_all_patches(). */ |