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	unsigned long old_size = 0;
 30	unsigned long new_size = 0;
 31	int binary = 0;
 32
 33	files++;
 34	if (ctx.repo->enable_log_linecount)
 35		cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
 36				&new_size, &binary, count_lines);
 37}
 38
 39void show_commit_decorations(struct commit *commit)
 40{
 41	struct name_decoration *deco;
 42	static char buf[1024];
 43
 44	buf[sizeof(buf) - 1] = 0;
 45	deco = lookup_decoration(&name_decoration, &commit->object);
 46	while (deco) {
 47		if (!prefixcmp(deco->name, "refs/heads/")) {
 48			strncpy(buf, deco->name + 11, sizeof(buf) - 1);
 49			cgit_log_link(buf, NULL, "branch-deco", buf, NULL, NULL,
 50				0, NULL, NULL, ctx.qry.showmsg);
 51		}
 52		else if (!prefixcmp(deco->name, "tag: refs/tags/")) {
 53			strncpy(buf, deco->name + 15, sizeof(buf) - 1);
 54			cgit_tag_link(buf, NULL, "tag-deco", ctx.qry.head, buf);
 55		}
 56		else if (!prefixcmp(deco->name, "refs/tags/")) {
 57			strncpy(buf, deco->name + 10, sizeof(buf) - 1);
 58			cgit_tag_link(buf, NULL, "tag-deco", ctx.qry.head, buf);
 59		}
 60		else if (!prefixcmp(deco->name, "refs/remotes/")) {
 61			strncpy(buf, deco->name + 13, sizeof(buf) - 1);
 62			cgit_log_link(buf, NULL, "remote-deco", NULL,
 63				sha1_to_hex(commit->object.sha1), NULL,
 64				0, NULL, NULL, ctx.qry.showmsg);
 65		}
 66		else {
 67			strncpy(buf, deco->name, sizeof(buf) - 1);
 68			cgit_commit_link(buf, NULL, "deco", ctx.qry.head,
 69				sha1_to_hex(commit->object.sha1));
 70		}
 71		deco = deco->next;
 72	}
 73}
 74
 75void print_commit(struct commit *commit)
 76{
 77	struct commitinfo *info;
 78	char *tmp;
 79	int cols = 2;
 80
 81	info = cgit_parse_commit(commit);
 82	htmlf("<tr%s><td>",
 83		ctx.qry.showmsg ? " class='logheader'" : "");
 84	tmp = fmt("id=%s", sha1_to_hex(commit->object.sha1));
 85	tmp = cgit_pageurl(ctx.repo->url, "commit", tmp);
 86	html_link_open(tmp, NULL, NULL);
 87	cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
 88	html_link_close();
 89	htmlf("</td><td%s>",
 90		ctx.qry.showmsg ? " class='logsubject'" : "");
 91	cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
 92			 sha1_to_hex(commit->object.sha1));
 93	show_commit_decorations(commit);
 94	html("</td><td>");
 95	html_txt(info->author);
 96	if (ctx.repo->enable_log_filecount) {
 97		files = 0;
 98		add_lines = 0;
 99		rem_lines = 0;
100		cgit_diff_commit(commit, inspect_files);
101		html("</td><td>");
102		htmlf("%d", files);
103		if (ctx.repo->enable_log_linecount) {
104			html("</td><td>");
105			htmlf("-%d/+%d", rem_lines, add_lines);
106		}
107	}
108	html("</td></tr>\n");
109	if (ctx.qry.showmsg) {
110		if (ctx.repo->enable_log_filecount) {
111			cols++;
112			if (ctx.repo->enable_log_linecount)
113				cols++;
114		}
115		htmlf("<tr class='nohover'><td/><td colspan='%d' class='logmsg'>",
116			cols);
117		html_txt(info->msg);
118		html("</td></tr>\n");
119	}
120	cgit_free_commitinfo(info);
121}
122
123static const char *disambiguate_ref(const char *ref)
124{
125	unsigned char sha1[20];
126	const char *longref;
127
128	longref = fmt("refs/heads/%s", ref);
129	if (get_sha1(longref, sha1) == 0)
130		return longref;
131
132	return ref;
133}
134
135void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
136		    char *path, int pager)
137{
138	struct rev_info rev;
139	struct commit *commit;
140	const char *argv[] = {NULL, NULL, NULL, NULL, NULL};
141	int argc = 2;
142	int i, columns = 3;
143
144	if (!tip)
145		tip = ctx.qry.head;
146
147	argv[1] = disambiguate_ref(tip);
148
149	if (grep && pattern && (!strcmp(grep, "grep") ||
150				!strcmp(grep, "author") ||
151				!strcmp(grep, "committer")))
152		argv[argc++] = fmt("--%s=%s", grep, pattern);
153
154	if (path) {
155		argv[argc++] = "--";
156		argv[argc++] = path;
157	}
158	init_revisions(&rev, NULL);
159	rev.abbrev = DEFAULT_ABBREV;
160	rev.commit_format = CMIT_FMT_DEFAULT;
161	rev.verbose_header = 1;
162	rev.show_root_diff = 0;
163	setup_revisions(argc, argv, &rev, NULL);
164	load_ref_decorations();
165	rev.show_decorations = 1;
166	rev.grep_filter.regflags |= REG_ICASE;
167	compile_grep_patterns(&rev.grep_filter);
168	prepare_revision_walk(&rev);
169
170	if (pager)
171		html("<table class='list nowrap'>");
172
173	html("<tr class='nohover'><th class='left'>Age</th>"
174	      "<th class='left'>Commit message");
175	if (pager) {
176		html(" (");
177		cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
178			      NULL, ctx.qry.head, ctx.qry.sha1,
179			      ctx.qry.path, ctx.qry.ofs, ctx.qry.grep,
180			      ctx.qry.search, ctx.qry.showmsg ? 0 : 1);
181		html(")");
182	}
183	html("</th><th class='left'>Author</th>");
184	if (ctx.repo->enable_log_filecount) {
185		html("<th class='left'>Files</th>");
186		columns++;
187		if (ctx.repo->enable_log_linecount) {
188			html("<th class='left'>Lines</th>");
189			columns++;
190		}
191	}
192	html("</tr>\n");
193
194	if (ofs<0)
195		ofs = 0;
196
197	for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
198		free(commit->buffer);
199		commit->buffer = NULL;
200		free_commit_list(commit->parents);
201		commit->parents = NULL;
202	}
203
204	for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
205		print_commit(commit);
206		free(commit->buffer);
207		commit->buffer = NULL;
208		free_commit_list(commit->parents);
209		commit->parents = NULL;
210	}
211	if (pager) {
212		htmlf("</table><div class='pager'>",
213		     columns);
214		if (ofs > 0) {
215			cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
216				      ctx.qry.sha1, ctx.qry.path,
217				      ofs - cnt, ctx.qry.grep,
218				      ctx.qry.search, ctx.qry.showmsg);
219			html("&nbsp;");
220		}
221		if ((commit = get_revision(&rev)) != NULL) {
222			cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
223				      ctx.qry.sha1, ctx.qry.path,
224				      ofs + cnt, ctx.qry.grep,
225				      ctx.qry.search, ctx.qry.showmsg);
226		}
227		html("</div>");
228	} else if ((commit = get_revision(&rev)) != NULL) {
229		html("<tr class='nohover'><td colspan='3'>");
230		cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL, NULL, 0,
231			      NULL, NULL, ctx.qry.showmsg);
232		html("</td></tr>\n");
233	}
234}