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