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
 50	return cmp_age(r1->tag->tagger_date, r2->tag->tagger_date);
 51}
 52
 53static int print_branch(struct refinfo *ref)
 54{
 55	struct commitinfo *info = ref->commit;
 56	char *name = (char *)ref->refname;
 57
 58	if (!info)
 59		return 1;
 60	html("<tr><td>");
 61	cgit_log_link(name, NULL, NULL, name, NULL, NULL, 0, NULL, NULL,
 62		      ctx.qry.showmsg);
 63	html("</td><td>");
 64
 65	if (ref->object->type == OBJ_COMMIT) {
 66		cgit_commit_link(info->subject, NULL, NULL, name, NULL);
 67		html("</td><td>");
 68		html_txt(info->author);
 69		html("</td><td colspan='2'>");
 70		cgit_print_age(info->commit->date, -1, NULL);
 71	} else {
 72		html("</td><td></td><td>");
 73		cgit_object_link(ref->object);
 74	}
 75	html("</td></tr>\n");
 76	return 0;
 77}
 78
 79static void print_tag_header()
 80{
 81	html("<tr class='nohover'><th class='left'>Tag</th>"
 82	     "<th class='left'>Download</th>"
 83	     "<th class='left'>Author</th>"
 84	     "<th class='left' colspan='2'>Age</th></tr>\n");
 85	header = 1;
 86}
 87
 88static void print_tag_downloads(const struct cgit_repo *repo, const char *ref)
 89{
 90	const struct cgit_snapshot_format* f;
 91    	char *filename;
 92	const char *basename;
 93
 94	if (!ref || strlen(ref) < 2)
 95		return;
 96
 97	basename = cgit_repobasename(repo->url);
 98	if (prefixcmp(ref, basename) != 0) {
 99		if ((ref[0] == 'v' || ref[0] == 'V') && isdigit(ref[1]))
100			ref++;
101		if (isdigit(ref[0]))
102			ref = xstrdup(fmt("%s-%s", basename, ref));
103	}
104
105	for (f = cgit_snapshot_formats; f->suffix; f++) {
106		if (!(repo->snapshots & f->bit))
107			continue;
108		filename = fmt("%s%s", ref, f->suffix);
109		cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
110		html("&nbsp;&nbsp;");
111	}
112}
113static int print_tag(struct refinfo *ref)
114{
115	struct tag *tag;
116	struct taginfo *info;
117	char *name = (char *)ref->refname;
118
119	if (ref->object->type == OBJ_TAG) {
120		tag = (struct tag *)ref->object;
121		info = ref->tag;
122		if (!tag || !info)
123			return 1;
124		html("<tr><td>");
125		cgit_tag_link(name, NULL, NULL, ctx.qry.head, name);
126		html("</td><td>");
127		if (ctx.repo->snapshots && (tag->tagged->type == OBJ_COMMIT))
128			print_tag_downloads(ctx.repo, name);
129		else
130			cgit_object_link(tag->tagged);
131		html("</td><td>");
132		if (info->tagger)
133			html(info->tagger);
134		html("</td><td colspan='2'>");
135		if (info->tagger_date > 0)
136			cgit_print_age(info->tagger_date, -1, NULL);
137		html("</td></tr>\n");
138	} else {
139		if (!header)
140			print_tag_header();
141		html("<tr><td>");
142		html_txt(name);
143		html("</td><td>");
144		if (ctx.repo->snapshots && (tag->tagged->type == OBJ_COMMIT))
145			print_tag_downloads(ctx.repo, name);
146		else
147			cgit_object_link(ref->object);
148		html("</td></tr>\n");
149	}
150	return 0;
151}
152
153static void print_refs_link(char *path)
154{
155	html("<tr class='nohover'><td colspan='4'>");
156	cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);
157	html("</td></tr>");
158}
159
160void cgit_print_branches(int maxcount)
161{
162	struct reflist list;
163	int i;
164
165	html("<tr class='nohover'><th class='left'>Branch</th>"
166	     "<th class='left'>Commit message</th>"
167	     "<th class='left'>Author</th>"
168	     "<th class='left' colspan='2'>Age</th></tr>\n");
169
170	list.refs = NULL;
171	list.alloc = list.count = 0;
172	for_each_branch_ref(cgit_refs_cb, &list);
173
174	if (maxcount == 0 || maxcount > list.count)
175		maxcount = list.count;
176
177	if (maxcount < list.count) {
178		qsort(list.refs, list.count, sizeof(*list.refs), cmp_branch_age);
179		qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
180	}
181
182	for(i=0; i<maxcount; i++)
183		print_branch(list.refs[i]);
184
185	if (maxcount < list.count)
186		print_refs_link("heads");
187}
188
189void cgit_print_tags(int maxcount)
190{
191	struct reflist list;
192	int i;
193
194	header = 0;
195	list.refs = NULL;
196	list.alloc = list.count = 0;
197	for_each_tag_ref(cgit_refs_cb, &list);
198	if (list.count == 0)
199		return;
200	qsort(list.refs, list.count, sizeof(*list.refs), cmp_tag_age);
201	if (!maxcount)
202		maxcount = list.count;
203	else if (maxcount > list.count)
204		maxcount = list.count;
205	print_tag_header();
206	for(i=0; i<maxcount; i++)
207		print_tag(list.refs[i]);
208
209	if (maxcount < list.count)
210		print_refs_link("tags");
211}
212
213void cgit_print_refs()
214{
215
216	html("<table class='list nowrap'>");
217
218	if (ctx.qry.path && !strncmp(ctx.qry.path, "heads", 5))
219		cgit_print_branches(0);
220	else if (ctx.qry.path && !strncmp(ctx.qry.path, "tags", 4))
221		cgit_print_tags(0);
222	else {
223		cgit_print_branches(0);
224		html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
225		cgit_print_tags(0);
226	}
227	html("</table>");
228}