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, 0, 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,
 50				      ctx.qry.vpath, 0, NULL, NULL,
 51				      ctx.qry.showmsg);
 52		}
 53		else if (!prefixcmp(deco->name, "tag: refs/tags/")) {
 54			strncpy(buf, deco->name + 15, sizeof(buf) - 1);
 55			cgit_tag_link(buf, NULL, "tag-deco", ctx.qry.head, buf);
 56		}
 57		else if (!prefixcmp(deco->name, "refs/tags/")) {
 58			strncpy(buf, deco->name + 10, sizeof(buf) - 1);
 59			cgit_tag_link(buf, NULL, "tag-deco", ctx.qry.head, buf);
 60		}
 61		else if (!prefixcmp(deco->name, "refs/remotes/")) {
 62			strncpy(buf, deco->name + 13, sizeof(buf) - 1);
 63			cgit_log_link(buf, NULL, "remote-deco", NULL,
 64				      sha1_to_hex(commit->object.sha1),
 65				      ctx.qry.vpath, 0, NULL, NULL,
 66				      ctx.qry.showmsg);
 67		}
 68		else {
 69			strncpy(buf, deco->name, sizeof(buf) - 1);
 70			cgit_commit_link(buf, NULL, "deco", ctx.qry.head,
 71					 sha1_to_hex(commit->object.sha1),
 72					 ctx.qry.vpath, 0);
 73		}
 74		deco = deco->next;
 75	}
 76}
 77
 78void print_commit(struct commit *commit)
 79{
 80	struct commitinfo *info;
 81	char *tmp;
 82	int cols = 2;
 83
 84	info = cgit_parse_commit(commit);
 85	htmlf("<tr%s><td>",
 86		ctx.qry.showmsg ? " class='logheader'" : "");
 87	tmp = fmt("id=%s", sha1_to_hex(commit->object.sha1));
 88	tmp = cgit_fileurl(ctx.repo->url, "commit", ctx.qry.vpath, tmp);
 89	html_link_open(tmp, NULL, NULL);
 90	cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
 91	html_link_close();
 92	htmlf("</td><td%s>",
 93		ctx.qry.showmsg ? " class='logsubject'" : "");
 94	cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
 95			 sha1_to_hex(commit->object.sha1), ctx.qry.vpath, 0);
 96	show_commit_decorations(commit);
 97	html("</td><td>");
 98	html_txt(info->author);
 99	if (ctx.repo->enable_log_filecount) {
100		files = 0;
101		add_lines = 0;
102		rem_lines = 0;
103		cgit_diff_commit(commit, inspect_files);
104		html("</td><td>");
105		htmlf("%d", files);
106		if (ctx.repo->enable_log_linecount) {
107			html("</td><td>");
108			htmlf("-%d/+%d", rem_lines, add_lines);
109		}
110	}
111	html("</td></tr>\n");
112	if (ctx.qry.showmsg) {
113		if (ctx.repo->enable_log_filecount) {
114			cols++;
115			if (ctx.repo->enable_log_linecount)
116				cols++;
117		}
118		htmlf("<tr class='nohover'><td/><td colspan='%d' class='logmsg'>",
119			cols);
120		html_txt(info->msg);
121		html("</td></tr>\n");
122	}
123	cgit_free_commitinfo(info);
124}
125
126static const char *disambiguate_ref(const char *ref)
127{
128	unsigned char sha1[20];
129	const char *longref;
130
131	longref = fmt("refs/heads/%s", ref);
132	if (get_sha1(longref, sha1) == 0)
133		return longref;
134
135	return ref;
136}
137
138void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
139		    char *path, int pager)
140{
141	struct rev_info rev;
142	struct commit *commit;
143	const char *argv[] = {NULL, NULL, NULL, NULL, NULL};
144	int argc = 2;
145	int i, columns = 3;
146
147	if (!tip)
148		tip = ctx.qry.head;
149
150	argv[1] = disambiguate_ref(tip);
151
152	if (grep && pattern && (!strcmp(grep, "grep") ||
153				!strcmp(grep, "author") ||
154				!strcmp(grep, "committer")))
155		argv[argc++] = fmt("--%s=%s", grep, pattern);
156
157	if (path) {
158		argv[argc++] = "--";
159		argv[argc++] = path;
160	}
161	init_revisions(&rev, NULL);
162	rev.abbrev = DEFAULT_ABBREV;
163	rev.commit_format = CMIT_FMT_DEFAULT;
164	rev.verbose_header = 1;
165	rev.show_root_diff = 0;
166	setup_revisions(argc, argv, &rev, NULL);
167	load_ref_decorations(DECORATE_FULL_REFS);
168	rev.show_decorations = 1;
169	rev.grep_filter.regflags |= REG_ICASE;
170	compile_grep_patterns(&rev.grep_filter);
171	prepare_revision_walk(&rev);
172
173	if (pager)
174		html("<table class='list nowrap'>");
175
176	html("<tr class='nohover'><th class='left'>Age</th>"
177	      "<th class='left'>Commit message");
178	if (pager) {
179		html(" (");
180		cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
181			      NULL, ctx.qry.head, ctx.qry.sha1,
182			      ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep,
183			      ctx.qry.search, ctx.qry.showmsg ? 0 : 1);
184		html(")");
185	}
186	html("</th><th class='left'>Author</th>");
187	if (ctx.repo->enable_log_filecount) {
188		html("<th class='left'>Files</th>");
189		columns++;
190		if (ctx.repo->enable_log_linecount) {
191			html("<th class='left'>Lines</th>");
192			columns++;
193		}
194	}
195	html("</tr>\n");
196
197	if (ofs<0)
198		ofs = 0;
199
200	for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
201		free(commit->buffer);
202		commit->buffer = NULL;
203		free_commit_list(commit->parents);
204		commit->parents = NULL;
205	}
206
207	for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
208		print_commit(commit);
209		free(commit->buffer);
210		commit->buffer = NULL;
211		free_commit_list(commit->parents);
212		commit->parents = NULL;
213	}
214	if (pager) {
215		htmlf("</table><div class='pager'>",
216		     columns);
217		if (ofs > 0) {
218			cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
219				      ctx.qry.sha1, ctx.qry.vpath,
220				      ofs - cnt, ctx.qry.grep,
221				      ctx.qry.search, ctx.qry.showmsg);
222			html("&nbsp;");
223		}
224		if ((commit = get_revision(&rev)) != NULL) {
225			cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
226				      ctx.qry.sha1, ctx.qry.vpath,
227				      ofs + cnt, ctx.qry.grep,
228				      ctx.qry.search, ctx.qry.showmsg);
229		}
230		html("</div>");
231	} else if ((commit = get_revision(&rev)) != NULL) {
232		html("<tr class='nohover'><td colspan='3'>");
233		cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL,
234			      ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg);
235		html("</td></tr>\n");
236	}
237}