1/* ui-log.c: functions for log output
  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
 13int files, add_lines, rem_lines;
 14
 15void count_lines(char *line, int size)
 16{
 17	if (size <= 0)
 18		return;
 19
 20	if (line[0] == '+')
 21		add_lines++;
 22
 23	else if (line[0] == '-')
 24		rem_lines++;
 25}
 26
 27void inspect_files(struct diff_filepair *pair)
 28{
 29	files++;
 30	if (ctx.repo->enable_log_linecount)
 31		cgit_diff_files(pair->one->sha1, pair->two->sha1, count_lines);
 32}
 33
 34void show_commit_decorations(struct commit *commit)
 35{
 36	struct name_decoration *deco;
 37	static char buf[1024];
 38
 39	buf[sizeof(buf) - 1] = 0;
 40	deco = lookup_decoration(&name_decoration, &commit->object);
 41	while (deco) {
 42		if (!prefixcmp(deco->name, "refs/heads/")) {
 43			strncpy(buf, deco->name + 11, sizeof(buf) - 1);
 44			cgit_log_link(buf, NULL, "branch-deco", buf, NULL, NULL,
 45				0, NULL, NULL, ctx.qry.showmsg);
 46		}
 47		else if (!prefixcmp(deco->name, "tag: refs/tags/")) {
 48			strncpy(buf, deco->name + 15, sizeof(buf) - 1);
 49			cgit_tag_link(buf, NULL, "tag-deco", ctx.qry.head, buf);
 50		}
 51		else if (!prefixcmp(deco->name, "refs/remotes/")) {
 52			strncpy(buf, deco->name + 13, sizeof(buf) - 1);
 53			cgit_log_link(buf, NULL, "remote-deco", NULL,
 54				sha1_to_hex(commit->object.sha1), NULL,
 55				0, NULL, NULL, ctx.qry.showmsg);
 56		}
 57		else {
 58			strncpy(buf, deco->name, sizeof(buf) - 1);
 59			cgit_commit_link(buf, NULL, "deco", ctx.qry.head,
 60				sha1_to_hex(commit->object.sha1));
 61		}
 62		deco = deco->next;
 63	}
 64}
 65
 66void print_commit(struct commit *commit)
 67{
 68	struct commitinfo *info;
 69	char *tmp;
 70	int cols = 2;
 71
 72	info = cgit_parse_commit(commit);
 73	htmlf("<tr%s><td>",
 74		ctx.qry.showmsg ? " class='logheader'" : "");
 75	tmp = fmt("id=%s", sha1_to_hex(commit->object.sha1));
 76	tmp = cgit_pageurl(ctx.repo->url, "commit", tmp);
 77	html_link_open(tmp, NULL, NULL);
 78	cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
 79	html_link_close();
 80	htmlf("</td><td%s>",
 81		ctx.qry.showmsg ? " class='logsubject'" : "");
 82	cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
 83			 sha1_to_hex(commit->object.sha1));
 84	show_commit_decorations(commit);
 85	html("</td><td>");
 86	html_txt(info->author);
 87	if (ctx.repo->enable_log_filecount) {
 88		files = 0;
 89		add_lines = 0;
 90		rem_lines = 0;
 91		cgit_diff_commit(commit, inspect_files);
 92		html("</td><td>");
 93		htmlf("%d", files);
 94		if (ctx.repo->enable_log_linecount) {
 95			html("</td><td>");
 96			htmlf("-%d/+%d", rem_lines, add_lines);
 97		}
 98	}
 99	html("</td></tr>\n");
100	if (ctx.qry.showmsg) {
101		if (ctx.repo->enable_log_filecount) {
102			cols++;
103			if (ctx.repo->enable_log_linecount)
104				cols++;
105		}
106		htmlf("<tr class='nohover'><td/><td colspan='%d' class='logmsg'>",
107			cols);
108		html_txt(info->msg);
109		html("</td></tr>\n");
110	}
111	cgit_free_commitinfo(info);
112}
113
114static const char *disambiguate_ref(const char *ref)
115{
116	unsigned char sha1[20];
117	const char *longref;
118
119	longref = fmt("refs/heads/%s", ref);
120	if (get_sha1(longref, sha1) == 0)
121		return longref;
122
123	return ref;
124}
125
126void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
127		    char *path, int pager)
128{
129	struct rev_info rev;
130	struct commit *commit;
131	const char *argv[] = {NULL, NULL, NULL, NULL, NULL};
132	int argc = 2;
133	int i, columns = 3;
134
135	if (!tip)
136		tip = ctx.qry.head;
137
138	argv[1] = disambiguate_ref(tip);
139
140	if (grep && pattern && (!strcmp(grep, "grep") ||
141				!strcmp(grep, "author") ||
142				!strcmp(grep, "committer")))
143		argv[argc++] = fmt("--%s=%s", grep, pattern);
144
145	if (path) {
146		argv[argc++] = "--";
147		argv[argc++] = path;
148	}
149	init_revisions(&rev, NULL);
150	rev.abbrev = DEFAULT_ABBREV;
151	rev.commit_format = CMIT_FMT_DEFAULT;
152	rev.verbose_header = 1;
153	rev.show_root_diff = 0;
154	setup_revisions(argc, argv, &rev, NULL);
155	load_ref_decorations();
156	rev.show_decorations = 1;
157	rev.grep_filter.regflags |= REG_ICASE;
158	compile_grep_patterns(&rev.grep_filter);
159	prepare_revision_walk(&rev);
160
161	if (pager)
162		html("<table class='list nowrap'>");
163
164	html("<tr class='nohover'><th class='left'>Age</th>"
165	      "<th class='left'>Commit message");
166	if (pager) {
167		html(" (");
168		cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
169			      NULL, ctx.qry.head, ctx.qry.sha1,
170			      ctx.qry.path, ctx.qry.ofs, ctx.qry.grep,
171			      ctx.qry.search, ctx.qry.showmsg ? 0 : 1);
172		html(")");
173	}
174	html("</th><th class='left'>Author</th>");
175	if (ctx.repo->enable_log_filecount) {
176		html("<th class='left'>Files</th>");
177		columns++;
178		if (ctx.repo->enable_log_linecount) {
179			html("<th class='left'>Lines</th>");
180			columns++;
181		}
182	}
183	html("</tr>\n");
184
185	if (ofs<0)
186		ofs = 0;
187
188	for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
189		free(commit->buffer);
190		commit->buffer = NULL;
191		free_commit_list(commit->parents);
192		commit->parents = NULL;
193	}
194
195	for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
196		print_commit(commit);
197		free(commit->buffer);
198		commit->buffer = NULL;
199		free_commit_list(commit->parents);
200		commit->parents = NULL;
201	}
202	if (pager) {
203		htmlf("</table><div class='pager'>",
204		     columns);
205		if (ofs > 0) {
206			cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
207				      ctx.qry.sha1, ctx.qry.path,
208				      ofs - cnt, ctx.qry.grep,
209				      ctx.qry.search, ctx.qry.showmsg);
210			html("&nbsp;");
211		}
212		if ((commit = get_revision(&rev)) != NULL) {
213			cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
214				      ctx.qry.sha1, ctx.qry.path,
215				      ofs + cnt, ctx.qry.grep,
216				      ctx.qry.search, ctx.qry.showmsg);
217		}
218		html("</div>");
219	} else if ((commit = get_revision(&rev)) != NULL) {
220		html("<tr class='nohover'><td colspan='3'>");
221		cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL, NULL, 0,
222			      NULL, NULL, ctx.qry.showmsg);
223		html("</td></tr>\n");
224	}
225}