1/* ui-refs.c: browse symbolic refs
  2 *
  3 * Copyright (C) 2006 Lars Hjemli
  4 *
  5 * Licensed under GNU General Public License v2
  6 *   (see COPYING for full license text)
  7 */
  8
  9#include "cgit.h"
 10#include "html.h"
 11#include "ui-shared.h"
 12
 13static int header;
 14
 15static int cmp_age(int age1, int age2)
 16{
 17	if (age1 != 0 && age2 != 0)
 18		return age2 - age1;
 19
 20	if (age1 == 0 && age2 == 0)
 21		return 0;
 22
 23	if (age1 == 0)
 24		return +1;
 25
 26	return -1;
 27}
 28
 29static int cmp_ref_name(const void *a, const void *b)
 30{
 31	struct refinfo *r1 = *(struct refinfo **)a;
 32	struct refinfo *r2 = *(struct refinfo **)b;
 33
 34	return strcmp(r1->refname, r2->refname);
 35}
 36
 37static int cmp_branch_age(const void *a, const void *b)
 38{
 39	struct refinfo *r1 = *(struct refinfo **)a;
 40	struct refinfo *r2 = *(struct refinfo **)b;
 41
 42	return cmp_age(r1->commit->committer_date, r2->commit->committer_date);
 43}
 44
 45static int cmp_tag_age(const void *a, const void *b)
 46{
 47	struct refinfo *r1 = *(struct refinfo **)a;
 48	struct refinfo *r2 = *(struct refinfo **)b;
 49	int r1date, r2date;
 50
 51	if (r1->object->type != OBJ_COMMIT)
 52		r1date = r1->tag->tagger_date;
 53	else
 54		r1date = r1->commit->committer_date;
 55
 56	if (r2->object->type != OBJ_COMMIT)
 57		r2date = r2->tag->tagger_date;
 58	else
 59		r2date = r2->commit->committer_date;
 60
 61	return cmp_age(r1date, r2date);
 62}
 63
 64static int print_branch(struct refinfo *ref)
 65{
 66	struct commitinfo *info = ref->commit;
 67	char *name = (char *)ref->refname;
 68
 69	if (!info)
 70		return 1;
 71	html("<tr><td>");
 72	cgit_log_link(name, NULL, NULL, name, NULL, NULL, 0, NULL, NULL,
 73		      ctx.qry.showmsg);
 74	html("</td><td>");
 75
 76	if (ref->object->type == OBJ_COMMIT) {
 77		cgit_commit_link(info->subject, NULL, NULL, name, NULL);
 78		html("</td><td>");
 79		html_txt(info->author);
 80		html("</td><td colspan='2'>");
 81		cgit_print_age(info->commit->date, -1, NULL);
 82	} else {
 83		html("</td><td></td><td>");
 84		cgit_object_link(ref->object);
 85	}
 86	html("</td></tr>\n");
 87	return 0;
 88}
 89
 90static void print_tag_header()
 91{
 92	html("<tr class='nohover'><th class='left'>Tag</th>"
 93	     "<th class='left'>Download</th>"
 94	     "<th class='left'>Author</th>"
 95	     "<th class='left' colspan='2'>Age</th></tr>\n");
 96	header = 1;
 97}
 98
 99static void print_tag_downloads(const struct cgit_repo *repo, const char *ref)
100{
101	const struct cgit_snapshot_format* f;
102    	char *filename;
103	const char *basename;
104
105	if (!ref || strlen(ref) < 2)
106		return;
107
108	basename = cgit_repobasename(repo->url);
109	if (prefixcmp(ref, basename) != 0) {
110		if ((ref[0] == 'v' || ref[0] == 'V') && isdigit(ref[1]))
111			ref++;
112		if (isdigit(ref[0]))
113			ref = xstrdup(fmt("%s-%s", basename, ref));
114	}
115
116	for (f = cgit_snapshot_formats; f->suffix; f++) {
117		if (!(repo->snapshots & f->bit))
118			continue;
119		filename = fmt("%s%s", ref, f->suffix);
120		cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
121		html("&nbsp;&nbsp;");
122	}
123}
124static int print_tag(struct refinfo *ref)
125{
126	struct tag *tag;
127	struct taginfo *info;
128	char *name = (char *)ref->refname;
129
130	if (ref->object->type == OBJ_TAG) {
131		tag = (struct tag *)ref->object;
132		info = ref->tag;
133		if (!tag || !info)
134			return 1;
135		html("<tr><td>");
136		cgit_tag_link(name, NULL, NULL, ctx.qry.head, name);
137		html("</td><td>");
138		if (ctx.repo->snapshots && (tag->tagged->type == OBJ_COMMIT))
139			print_tag_downloads(ctx.repo, name);
140		else
141			cgit_object_link(tag->tagged);
142		html("</td><td>");
143		if (info->tagger)
144			html(info->tagger);
145		html("</td><td colspan='2'>");
146		if (info->tagger_date > 0)
147			cgit_print_age(info->tagger_date, -1, NULL);
148		html("</td></tr>\n");
149	} else {
150		if (!header)
151			print_tag_header();
152		html("<tr><td>");
153		cgit_tag_link(name, NULL, NULL, ctx.qry.head, name);
154		html("</td><td>");
155		if (ctx.repo->snapshots && (ref->object->type == OBJ_COMMIT))
156			print_tag_downloads(ctx.repo, name);
157		else
158			cgit_object_link(ref->object);
159		html("</td><td>");
160		if (ref->object->type == OBJ_COMMIT)
161			html(ref->commit->author);
162		html("</td><td colspan='2'>");
163		if (ref->object->type == OBJ_COMMIT)
164			cgit_print_age(ref->commit->commit->date, -1, NULL);
165		html("</td></tr>\n");
166	}
167	return 0;
168}
169
170static void print_refs_link(char *path)
171{
172	html("<tr class='nohover'><td colspan='4'>");
173	cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);
174	html("</td></tr>");
175}
176
177void cgit_print_branches(int maxcount)
178{
179	struct reflist list;
180	int i;
181
182	html("<tr class='nohover'><th class='left'>Branch</th>"
183	     "<th class='left'>Commit message</th>"
184	     "<th class='left'>Author</th>"
185	     "<th class='left' colspan='2'>Age</th></tr>\n");
186
187	list.refs = NULL;
188	list.alloc = list.count = 0;
189	for_each_branch_ref(cgit_refs_cb, &list);
190
191	if (maxcount == 0 || maxcount > list.count)
192		maxcount = list.count;
193
194	if (maxcount < list.count) {
195		qsort(list.refs, list.count, sizeof(*list.refs), cmp_branch_age);
196		qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
197	}
198
199	for(i=0; i<maxcount; i++)
200		print_branch(list.refs[i]);
201
202	if (maxcount < list.count)
203		print_refs_link("heads");
204}
205
206void cgit_print_tags(int maxcount)
207{
208	struct reflist list;
209	int i;
210
211	header = 0;
212	list.refs = NULL;
213	list.alloc = list.count = 0;
214	for_each_tag_ref(cgit_refs_cb, &list);
215	if (list.count == 0)
216		return;
217	qsort(list.refs, list.count, sizeof(*list.refs), cmp_tag_age);
218	if (!maxcount)
219		maxcount = list.count;
220	else if (maxcount > list.count)
221		maxcount = list.count;
222	print_tag_header();
223	for(i=0; i<maxcount; i++)
224		print_tag(list.refs[i]);
225
226	if (maxcount < list.count)
227		print_refs_link("tags");
228}
229
230void cgit_print_refs()
231{
232
233	html("<table class='list nowrap'>");
234
235	if (ctx.qry.path && !strncmp(ctx.qry.path, "heads", 5))
236		cgit_print_branches(0);
237	else if (ctx.qry.path && !strncmp(ctx.qry.path, "tags", 4))
238		cgit_print_tags(0);
239	else {
240		cgit_print_branches(0);
241		html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
242		cgit_print_tags(0);
243	}
244	html("</table>");
245}