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, ctx.qry.ignorews,
 37				count_lines);
 38}
 39
 40void show_commit_decorations(struct commit *commit)
 41{
 42	struct name_decoration *deco;
 43	static char buf[1024];
 44
 45	buf[sizeof(buf) - 1] = 0;
 46	deco = lookup_decoration(&name_decoration, &commit->object);
 47	while (deco) {
 48		if (!prefixcmp(deco->name, "refs/heads/")) {
 49			strncpy(buf, deco->name + 11, sizeof(buf) - 1);
 50			cgit_log_link(buf, NULL, "branch-deco", buf, NULL,
 51				      ctx.qry.vpath, 0, NULL, NULL,
 52				      ctx.qry.showmsg);
 53		}
 54		else if (!prefixcmp(deco->name, "tag: refs/tags/")) {
 55			strncpy(buf, deco->name + 15, sizeof(buf) - 1);
 56			cgit_tag_link(buf, NULL, "tag-deco", ctx.qry.head, buf);
 57		}
 58		else if (!prefixcmp(deco->name, "refs/tags/")) {
 59			strncpy(buf, deco->name + 10, sizeof(buf) - 1);
 60			cgit_tag_link(buf, NULL, "tag-deco", ctx.qry.head, buf);
 61		}
 62		else if (!prefixcmp(deco->name, "refs/remotes/")) {
 63			strncpy(buf, deco->name + 13, sizeof(buf) - 1);
 64			cgit_log_link(buf, NULL, "remote-deco", NULL,
 65				      sha1_to_hex(commit->object.sha1),
 66				      ctx.qry.vpath, 0, NULL, NULL,
 67				      ctx.qry.showmsg);
 68		}
 69		else {
 70			strncpy(buf, deco->name, sizeof(buf) - 1);
 71			cgit_commit_link(buf, NULL, "deco", ctx.qry.head,
 72					 sha1_to_hex(commit->object.sha1),
 73					 ctx.qry.vpath, 0);
 74		}
 75		deco = deco->next;
 76	}
 77}
 78
 79void print_commit(struct commit *commit)
 80{
 81	struct commitinfo *info;
 82	char *tmp;
 83	int cols = 2;
 84
 85	info = cgit_parse_commit(commit);
 86	htmlf("<tr%s><td>",
 87		ctx.qry.showmsg ? " class='logheader'" : "");
 88	tmp = fmt("id=%s", sha1_to_hex(commit->object.sha1));
 89	tmp = cgit_fileurl(ctx.repo->url, "commit", ctx.qry.vpath, tmp);
 90	html_link_open(tmp, NULL, NULL);
 91	cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
 92	html_link_close();
 93	htmlf("</td><td%s>",
 94		ctx.qry.showmsg ? " class='logsubject'" : "");
 95	cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
 96			 sha1_to_hex(commit->object.sha1), ctx.qry.vpath, 0);
 97	show_commit_decorations(commit);
 98	html("</td><td>");
 99	html_txt(info->author);
100	if (ctx.repo->enable_log_filecount) {
101		files = 0;
102		add_lines = 0;
103		rem_lines = 0;
104		cgit_diff_commit(commit, inspect_files);
105		html("</td><td>");
106		htmlf("%d", files);
107		if (ctx.repo->enable_log_linecount) {
108			html("</td><td>");
109			htmlf("-%d/+%d", rem_lines, add_lines);
110		}
111	}
112	html("</td></tr>\n");
113	if (ctx.qry.showmsg) {
114		if (ctx.repo->enable_log_filecount) {
115			cols++;
116			if (ctx.repo->enable_log_linecount)
117				cols++;
118		}
119		htmlf("<tr class='nohover'><td/><td colspan='%d' class='logmsg'>",
120			cols);
121		html_txt(info->msg);
122		html("</td></tr>\n");
123	}
124	cgit_free_commitinfo(info);
125}
126
127static const char *disambiguate_ref(const char *ref)
128{
129	unsigned char sha1[20];
130	const char *longref;
131
132	longref = fmt("refs/heads/%s", ref);
133	if (get_sha1(longref, sha1) == 0)
134		return longref;
135
136	return ref;
137}
138
139void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
140		    char *path, int pager)
141{
142	struct rev_info rev;
143	struct commit *commit;
144	const char *argv[] = {NULL, NULL, NULL, NULL, NULL};
145	int argc = 2;
146	int i, columns = 3;
147
148	if (!tip)
149		tip = ctx.qry.head;
150
151	argv[1] = disambiguate_ref(tip);
152
153	if (grep && pattern && (!strcmp(grep, "grep") ||
154				!strcmp(grep, "author") ||
155				!strcmp(grep, "committer")))
156		argv[argc++] = fmt("--%s=%s", grep, pattern);
157
158	if (path) {
159		argv[argc++] = "--";
160		argv[argc++] = path;
161	}
162	init_revisions(&rev, NULL);
163	rev.abbrev = DEFAULT_ABBREV;
164	rev.commit_format = CMIT_FMT_DEFAULT;
165	rev.verbose_header = 1;
166	rev.show_root_diff = 0;
167	setup_revisions(argc, argv, &rev, NULL);
168	load_ref_decorations(DECORATE_FULL_REFS);
169	rev.show_decorations = 1;
170	rev.grep_filter.regflags |= REG_ICASE;
171	compile_grep_patterns(&rev.grep_filter);
172	prepare_revision_walk(&rev);
173
174	if (pager)
175		html("<table class='list nowrap'>");
176
177	html("<tr class='nohover'><th class='left'>Age</th>"
178	      "<th class='left'>Commit message");
179	if (pager) {
180		html(" (");
181		cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
182			      NULL, ctx.qry.head, ctx.qry.sha1,
183			      ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep,
184			      ctx.qry.search, ctx.qry.showmsg ? 0 : 1);
185		html(")");
186	}
187	html("</th><th class='left'>Author</th>");
188	if (ctx.repo->enable_log_filecount) {
189		html("<th class='left'>Files</th>");
190		columns++;
191		if (ctx.repo->enable_log_linecount) {
192			html("<th class='left'>Lines</th>");
193			columns++;
194		}
195	}
196	html("</tr>\n");
197
198	if (ofs<0)
199		ofs = 0;
200
201	for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
202		free(commit->buffer);
203		commit->buffer = NULL;
204		free_commit_list(commit->parents);
205		commit->parents = NULL;
206	}
207
208	for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
209		print_commit(commit);
210		free(commit->buffer);
211		commit->buffer = NULL;
212		free_commit_list(commit->parents);
213		commit->parents = NULL;
214	}
215	if (pager) {
216		htmlf("</table><div class='pager'>",
217		     columns);
218		if (ofs > 0) {
219			cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
220				      ctx.qry.sha1, ctx.qry.vpath,
221				      ofs - cnt, ctx.qry.grep,
222				      ctx.qry.search, ctx.qry.showmsg);
223			html("&nbsp;");
224		}
225		if ((commit = get_revision(&rev)) != NULL) {
226			cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
227				      ctx.qry.sha1, ctx.qry.vpath,
228				      ofs + cnt, ctx.qry.grep,
229				      ctx.qry.search, ctx.qry.showmsg);
230		}
231		html("</div>");
232	} else if ((commit = get_revision(&rev)) != NULL) {
233		html("<tr class='nohover'><td colspan='3'>");
234		cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL,
235			      ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg);
236		html("</td></tr>\n");
237	}
238}