1 /* shared.c: global vars + some callback functions
3 * Copyright (C) 2006 Lars Hjemli
5 * Licensed under GNU General Public License v2
6 * (see COPYING for full license text)
11 struct cgit_repolist cgit_repolist;
12 struct cgit_context ctx;
15 int chk_zero(int result, char *msg)
18 die("%s: %s", msg, strerror(errno));
22 int chk_positive(int result, char *msg)
25 die("%s: %s", msg, strerror(errno));
29 int chk_non_negative(int result, char *msg)
32 die("%s: %s",msg, strerror(errno));
36 struct cgit_repo *cgit_add_repo(const char *url)
38 struct cgit_repo *ret;
40 if (++cgit_repolist.count > cgit_repolist.length) {
41 if (cgit_repolist.length == 0)
42 cgit_repolist.length = 8;
44 cgit_repolist.length *= 2;
45 cgit_repolist.repos = xrealloc(cgit_repolist.repos,
46 cgit_repolist.length *
47 sizeof(struct cgit_repo));
50 ret = &cgit_repolist.repos[cgit_repolist.count-1];
51 ret->url = trim_end(url, '/');
54 ret->desc = "[no description]";
56 ret->group = ctx.cfg.repo_group;
57 ret->defbranch = "master";
58 ret->snapshots = ctx.cfg.snapshots;
59 ret->enable_log_filecount = ctx.cfg.enable_log_filecount;
60 ret->enable_log_linecount = ctx.cfg.enable_log_linecount;
61 ret->module_link = ctx.cfg.module_link;
66 struct cgit_repo *cgit_get_repoinfo(const char *url)
69 struct cgit_repo *repo;
71 for (i=0; i<cgit_repolist.count; i++) {
72 repo = &cgit_repolist.repos[i];
73 if (!strcmp(repo->url, url))
79 void *cgit_free_commitinfo(struct commitinfo *info)
82 free(info->author_email);
83 free(info->committer);
84 free(info->committer_email);
87 free(info->msg_encoding);
94 if (c >= 'a' && c <= 'f')
96 else if (c >= 'A' && c <= 'F')
98 else if (c >= '0' && c <= '9')
104 char *trim_end(const char *str, char c)
113 while(len > 0 && t[len - 1] == c)
126 char *strlpart(char *txt, int maxlen)
133 if (strlen(txt) <= maxlen)
135 result = xmalloc(maxlen + 1);
136 memcpy(result, txt, maxlen - 3);
137 result[maxlen-1] = result[maxlen-2] = result[maxlen-3] = '.';
138 result[maxlen] = '\0';
142 char *strrpart(char *txt, int maxlen)
149 if (strlen(txt) <= maxlen)
151 result = xmalloc(maxlen + 1);
152 memcpy(result + 3, txt + strlen(txt) - maxlen + 4, maxlen - 3);
153 result[0] = result[1] = result[2] = '.';
157 void cgit_add_ref(struct reflist *list, struct refinfo *ref)
161 if (list->count >= list->alloc) {
162 list->alloc += (list->alloc ? list->alloc : 4);
163 size = list->alloc * sizeof(struct refinfo *);
164 list->refs = xrealloc(list->refs, size);
166 list->refs[list->count++] = ref;
169 struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char *sha1)
173 ref = xmalloc(sizeof (struct refinfo));
174 ref->refname = xstrdup(refname);
175 ref->object = parse_object(sha1);
176 switch (ref->object->type) {
178 ref->tag = cgit_parse_tag((struct tag *)ref->object);
181 ref->commit = cgit_parse_commit((struct commit *)ref->object);
187 int cgit_refs_cb(const char *refname, const unsigned char *sha1, int flags,
190 struct reflist *list = (struct reflist *)cb_data;
191 struct refinfo *info = cgit_mk_refinfo(refname, sha1);
194 cgit_add_ref(list, info);
198 void cgit_diff_tree_cb(struct diff_queue_struct *q,
199 struct diff_options *options, void *data)
203 for (i = 0; i < q->nr; i++) {
204 if (q->queue[i]->status == 'U')
206 ((filepair_fn)data)(q->queue[i]);
210 static int load_mmfile(mmfile_t *file, const unsigned char *sha1)
212 enum object_type type;
214 if (is_null_sha1(sha1)) {
215 file->ptr = (char *)"";
218 file->ptr = read_sha1_file(sha1, &type,
219 (unsigned long *)&file->size);
225 * Receive diff-buffers from xdiff and concatenate them as
226 * needed across multiple callbacks.
228 * This is basically a copy of xdiff-interface.c/xdiff_outf(),
229 * ripped from git and modified to use globals instead of
230 * a special callback-struct.
232 char *diffbuf = NULL;
235 int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
239 for (i = 0; i < nbuf; i++) {
240 if (mb[i].ptr[mb[i].size-1] != '\n') {
241 /* Incomplete line */
242 diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
243 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
244 buflen += mb[i].size;
248 /* we have a complete line */
250 ((linediff_fn)priv)(mb[i].ptr, mb[i].size);
253 diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
254 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
255 ((linediff_fn)priv)(diffbuf, buflen + mb[i].size);
261 ((linediff_fn)priv)(diffbuf, buflen);
269 int cgit_diff_files(const unsigned char *old_sha1,
270 const unsigned char *new_sha1,
273 mmfile_t file1, file2;
274 xpparam_t diff_params;
275 xdemitconf_t emit_params;
278 if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1))
281 diff_params.flags = XDF_NEED_MINIMAL;
282 emit_params.ctxlen = 3;
283 emit_params.flags = XDL_EMIT_FUNCNAMES;
284 emit_params.find_func = NULL;
285 emit_cb.outf = filediff_cb;
287 xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb);
291 void cgit_diff_tree(const unsigned char *old_sha1,
292 const unsigned char *new_sha1,
293 filepair_fn fn, const char *prefix)
295 struct diff_options opt;
300 opt.output_format = DIFF_FORMAT_CALLBACK;
301 opt.detect_rename = 1;
302 opt.rename_limit = ctx.cfg.renamelimit;
303 DIFF_OPT_SET(&opt, RECURSIVE);
304 opt.format_callback = cgit_diff_tree_cb;
305 opt.format_callback_data = fn;
309 prefixlen = strlen(prefix);
310 opt.pathlens = &prefixlen;
312 diff_setup_done(&opt);
314 if (old_sha1 && !is_null_sha1(old_sha1))
315 ret = diff_tree_sha1(old_sha1, new_sha1, "", &opt);
317 ret = diff_root_tree_sha1(new_sha1, "", &opt);
322 void cgit_diff_commit(struct commit *commit, filepair_fn fn)
324 unsigned char *old_sha1 = NULL;
327 old_sha1 = commit->parents->item->object.sha1;
328 cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL);
331 int cgit_parse_snapshots_mask(const char *str)
333 const struct cgit_snapshot_format *f;
334 static const char *delim = " \t,:/|;";
337 /* favor legacy setting */
341 str += strspn(str,delim);
342 tl = strcspn(str,delim);
345 for (f = cgit_snapshot_formats; f->suffix; f++) {
346 sl = strlen(f->suffix);
347 if((tl == sl && !strncmp(f->suffix, str, tl)) ||
348 (tl == sl-1 && !strncmp(f->suffix+1, str, tl-1))) {