summaryrefslogtreecommitdiff
path: root/src/diff.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/diff.c')
-rw-r--r--src/diff.c372
1 files changed, 0 insertions, 372 deletions
diff --git a/src/diff.c b/src/diff.c
deleted file mode 100644
index 30b9f647a..000000000
--- a/src/diff.c
+++ /dev/null
@@ -1,372 +0,0 @@
-/*
- * Copyright (C) the libgit2 contributors. All rights reserved.
- *
- * This file is part of libgit2, distributed under the GNU GPL v2 with
- * a Linking Exception. For full terms see the included COPYING file.
- */
-
-#include "diff.h"
-
-#include "common.h"
-#include "patch.h"
-#include "email.h"
-#include "commit.h"
-#include "index.h"
-#include "diff_generate.h"
-
-#include "git2/version.h"
-#include "git2/email.h"
-
-struct patch_id_args {
- git_hash_ctx ctx;
- git_oid result;
- int first_file;
-};
-
-GIT_INLINE(const char *) diff_delta__path(const git_diff_delta *delta)
-{
- const char *str = delta->old_file.path;
-
- if (!str ||
- delta->status == GIT_DELTA_ADDED ||
- delta->status == GIT_DELTA_RENAMED ||
- delta->status == GIT_DELTA_COPIED)
- str = delta->new_file.path;
-
- return str;
-}
-
-int git_diff_delta__cmp(const void *a, const void *b)
-{
- const git_diff_delta *da = a, *db = b;
- int val = strcmp(diff_delta__path(da), diff_delta__path(db));
- return val ? val : ((int)da->status - (int)db->status);
-}
-
-int git_diff_delta__casecmp(const void *a, const void *b)
-{
- const git_diff_delta *da = a, *db = b;
- int val = strcasecmp(diff_delta__path(da), diff_delta__path(db));
- return val ? val : ((int)da->status - (int)db->status);
-}
-
-int git_diff__entry_cmp(const void *a, const void *b)
-{
- const git_index_entry *entry_a = a;
- const git_index_entry *entry_b = b;
-
- return strcmp(entry_a->path, entry_b->path);
-}
-
-int git_diff__entry_icmp(const void *a, const void *b)
-{
- const git_index_entry *entry_a = a;
- const git_index_entry *entry_b = b;
-
- return strcasecmp(entry_a->path, entry_b->path);
-}
-
-void git_diff_free(git_diff *diff)
-{
- if (!diff)
- return;
-
- GIT_REFCOUNT_DEC(diff, diff->free_fn);
-}
-
-void git_diff_addref(git_diff *diff)
-{
- GIT_REFCOUNT_INC(diff);
-}
-
-size_t git_diff_num_deltas(const git_diff *diff)
-{
- GIT_ASSERT_ARG(diff);
- return diff->deltas.length;
-}
-
-size_t git_diff_num_deltas_of_type(const git_diff *diff, git_delta_t type)
-{
- size_t i, count = 0;
- const git_diff_delta *delta;
-
- GIT_ASSERT_ARG(diff);
-
- git_vector_foreach(&diff->deltas, i, delta) {
- count += (delta->status == type);
- }
-
- return count;
-}
-
-const git_diff_delta *git_diff_get_delta(const git_diff *diff, size_t idx)
-{
- GIT_ASSERT_ARG_WITH_RETVAL(diff, NULL);
- return git_vector_get(&diff->deltas, idx);
-}
-
-int git_diff_is_sorted_icase(const git_diff *diff)
-{
- return (diff->opts.flags & GIT_DIFF_IGNORE_CASE) != 0;
-}
-
-int git_diff_get_perfdata(git_diff_perfdata *out, const git_diff *diff)
-{
- GIT_ASSERT_ARG(out);
- GIT_ERROR_CHECK_VERSION(out, GIT_DIFF_PERFDATA_VERSION, "git_diff_perfdata");
- out->stat_calls = diff->perf.stat_calls;
- out->oid_calculations = diff->perf.oid_calculations;
- return 0;
-}
-
-int git_diff_foreach(
- git_diff *diff,
- git_diff_file_cb file_cb,
- git_diff_binary_cb binary_cb,
- git_diff_hunk_cb hunk_cb,
- git_diff_line_cb data_cb,
- void *payload)
-{
- int error = 0;
- git_diff_delta *delta;
- size_t idx;
-
- GIT_ASSERT_ARG(diff);
-
- git_vector_foreach(&diff->deltas, idx, delta) {
- git_patch *patch;
-
- /* check flags against patch status */
- if (git_diff_delta__should_skip(&diff->opts, delta))
- continue;
-
- if ((error = git_patch_from_diff(&patch, diff, idx)) != 0)
- break;
-
- error = git_patch__invoke_callbacks(patch, file_cb, binary_cb,
- hunk_cb, data_cb, payload);
- git_patch_free(patch);
-
- if (error)
- break;
- }
-
- return error;
-}
-
-#ifndef GIT_DEPRECATE_HARD
-
-int git_diff_format_email(
- git_buf *out,
- git_diff *diff,
- const git_diff_format_email_options *opts)
-{
- git_email_create_options email_create_opts = GIT_EMAIL_CREATE_OPTIONS_INIT;
- int error;
-
- GIT_ASSERT_ARG(out);
- GIT_ASSERT_ARG(diff);
- GIT_ASSERT_ARG(opts && opts->summary && opts->id && opts->author);
-
- GIT_ERROR_CHECK_VERSION(opts,
- GIT_DIFF_FORMAT_EMAIL_OPTIONS_VERSION,
- "git_format_email_options");
-
- if ((opts->flags & GIT_DIFF_FORMAT_EMAIL_EXCLUDE_SUBJECT_PATCH_MARKER) != 0)
- email_create_opts.subject_prefix = "";
-
-
- error = git_email__append_from_diff(out, diff, opts->patch_no,
- opts->total_patches, opts->id, opts->summary, opts->body,
- opts->author, &email_create_opts);
-
- return error;
-}
-
-int git_diff_commit_as_email(
- git_buf *out,
- git_repository *repo,
- git_commit *commit,
- size_t patch_no,
- size_t total_patches,
- uint32_t flags,
- const git_diff_options *diff_opts)
-{
- git_diff *diff = NULL;
- git_email_create_options opts = GIT_EMAIL_CREATE_OPTIONS_INIT;
- const git_oid *commit_id;
- const char *summary, *body;
- const git_signature *author;
- int error;
-
- GIT_ASSERT_ARG(out);
- GIT_ASSERT_ARG(repo);
- GIT_ASSERT_ARG(commit);
-
- commit_id = git_commit_id(commit);
- summary = git_commit_summary(commit);
- body = git_commit_body(commit);
- author = git_commit_author(commit);
-
- if ((flags & GIT_DIFF_FORMAT_EMAIL_EXCLUDE_SUBJECT_PATCH_MARKER) != 0)
- opts.subject_prefix = "";
-
- if ((error = git_diff__commit(&diff, repo, commit, diff_opts)) < 0)
- return error;
-
- error = git_email_create_from_diff(out, diff, patch_no, total_patches, commit_id, summary, body, author, &opts);
-
- git_diff_free(diff);
- return error;
-}
-
-int git_diff_init_options(git_diff_options *opts, unsigned int version)
-{
- return git_diff_options_init(opts, version);
-}
-
-int git_diff_find_init_options(
- git_diff_find_options *opts, unsigned int version)
-{
- return git_diff_find_options_init(opts, version);
-}
-
-int git_diff_format_email_options_init(
- git_diff_format_email_options *opts, unsigned int version)
-{
- GIT_INIT_STRUCTURE_FROM_TEMPLATE(
- opts, version, git_diff_format_email_options,
- GIT_DIFF_FORMAT_EMAIL_OPTIONS_INIT);
- return 0;
-}
-
-int git_diff_format_email_init_options(
- git_diff_format_email_options *opts, unsigned int version)
-{
- return git_diff_format_email_options_init(opts, version);
-}
-
-#endif
-
-int git_diff_options_init(git_diff_options *opts, unsigned int version)
-{
- GIT_INIT_STRUCTURE_FROM_TEMPLATE(
- opts, version, git_diff_options, GIT_DIFF_OPTIONS_INIT);
- return 0;
-}
-
-int git_diff_find_options_init(
- git_diff_find_options *opts, unsigned int version)
-{
- GIT_INIT_STRUCTURE_FROM_TEMPLATE(
- opts, version, git_diff_find_options, GIT_DIFF_FIND_OPTIONS_INIT);
- return 0;
-}
-
-static int flush_hunk(git_oid *result, git_hash_ctx *ctx)
-{
- git_oid hash;
- unsigned short carry = 0;
- int error, i;
-
- if ((error = git_hash_final(&hash, ctx)) < 0 ||
- (error = git_hash_init(ctx)) < 0)
- return error;
-
- for (i = 0; i < GIT_OID_RAWSZ; i++) {
- carry += result->id[i] + hash.id[i];
- result->id[i] = (unsigned char)carry;
- carry >>= 8;
- }
-
- return 0;
-}
-
-static void strip_spaces(git_buf *buf)
-{
- char *src = buf->ptr, *dst = buf->ptr;
- char c;
- size_t len = 0;
-
- while ((c = *src++) != '\0') {
- if (!git__isspace(c)) {
- *dst++ = c;
- len++;
- }
- }
-
- git_buf_truncate(buf, len);
-}
-
-static int diff_patchid_print_callback_to_buf(
- const git_diff_delta *delta,
- const git_diff_hunk *hunk,
- const git_diff_line *line,
- void *payload)
-{
- struct patch_id_args *args = (struct patch_id_args *) payload;
- git_buf buf = GIT_BUF_INIT;
- int error = 0;
-
- if (line->origin == GIT_DIFF_LINE_CONTEXT_EOFNL ||
- line->origin == GIT_DIFF_LINE_ADD_EOFNL ||
- line->origin == GIT_DIFF_LINE_DEL_EOFNL)
- goto out;
-
- if ((error = git_diff_print_callback__to_buf(delta, hunk,
- line, &buf)) < 0)
- goto out;
-
- strip_spaces(&buf);
-
- if (line->origin == GIT_DIFF_LINE_FILE_HDR &&
- !args->first_file &&
- (error = flush_hunk(&args->result, &args->ctx) < 0))
- goto out;
-
- if ((error = git_hash_update(&args->ctx, buf.ptr, buf.size)) < 0)
- goto out;
-
- if (line->origin == GIT_DIFF_LINE_FILE_HDR && args->first_file)
- args->first_file = 0;
-
-out:
- git_buf_dispose(&buf);
- return error;
-}
-
-int git_diff_patchid_options_init(git_diff_patchid_options *opts, unsigned int version)
-{
- GIT_INIT_STRUCTURE_FROM_TEMPLATE(
- opts, version, git_diff_patchid_options, GIT_DIFF_PATCHID_OPTIONS_INIT);
- return 0;
-}
-
-int git_diff_patchid(git_oid *out, git_diff *diff, git_diff_patchid_options *opts)
-{
- struct patch_id_args args;
- int error;
-
- GIT_ERROR_CHECK_VERSION(
- opts, GIT_DIFF_PATCHID_OPTIONS_VERSION, "git_diff_patchid_options");
-
- memset(&args, 0, sizeof(args));
- args.first_file = 1;
- if ((error = git_hash_ctx_init(&args.ctx)) < 0)
- goto out;
-
- if ((error = git_diff_print(diff,
- GIT_DIFF_FORMAT_PATCH_ID,
- diff_patchid_print_callback_to_buf,
- &args)) < 0)
- goto out;
-
- if ((error = (flush_hunk(&args.result, &args.ctx))) < 0)
- goto out;
-
- git_oid_cpy(out, &args.result);
-
-out:
- git_hash_ctx_cleanup(&args.ctx);
- return error;
-}