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 print_commit(struct commit *commit)
 35{
 36	struct commitinfo *info;
 37	char *tmp;
 38
 39	info = cgit_parse_commit(commit);
 40	html("<tr><td>");
 41	tmp = fmt("id=%s", sha1_to_hex(commit->object.sha1));
 42	tmp = cgit_pageurl(ctx.repo->url, "commit", tmp);
 43	html_link_open(tmp, NULL, NULL);
 44	cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
 45	html_link_close();
 46	html("</td><td>");
 47	cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
 48			 sha1_to_hex(commit->object.sha1));
 49	html("</td><td>");
 50	html_txt(info->author);
 51	if (ctx.repo->enable_log_filecount) {
 52		files = 0;
 53		add_lines = 0;
 54		rem_lines = 0;
 55		cgit_diff_commit(commit, inspect_files);
 56		html("</td><td>");
 57		htmlf("%d", files);
 58		if (ctx.repo->enable_log_linecount) {
 59			html("</td><td>");
 60			htmlf("-%d/+%d", rem_lines, add_lines);
 61		}
 62	}
 63	html("</td></tr>\n");
 64	cgit_free_commitinfo(info);
 65}
 66
 67static const char *disambiguate_ref(const char *ref)
 68{
 69	unsigned char sha1[20];
 70	const char *longref;
 71
 72	longref = fmt("refs/heads/%s", ref);
 73	if (get_sha1(longref, sha1) == 0)
 74		return longref;
 75
 76	return ref;
 77}
 78
 79void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
 80		    char *path, int pager)
 81{
 82	struct rev_info rev;
 83	struct commit *commit;
 84	const char *argv[] = {NULL, NULL, NULL, NULL, NULL};
 85	int argc = 2;
 86	int i, columns = 3;
 87
 88	if (!tip)
 89		tip = ctx.qry.head;
 90
 91	argv[1] = disambiguate_ref(tip);
 92
 93	if (grep && pattern && (!strcmp(grep, "grep") ||
 94				!strcmp(grep, "author") ||
 95				!strcmp(grep, "committer")))
 96		argv[argc++] = fmt("--%s=%s", grep, pattern);
 97
 98	if (path) {
 99		argv[argc++] = "--";
100		argv[argc++] = path;
101	}
102	init_revisions(&rev, NULL);
103	rev.abbrev = DEFAULT_ABBREV;
104	rev.commit_format = CMIT_FMT_DEFAULT;
105	rev.verbose_header = 1;
106	rev.show_root_diff = 0;
107	setup_revisions(argc, argv, &rev, NULL);
108	rev.grep_filter.regflags |= REG_ICASE;
109	compile_grep_patterns(&rev.grep_filter);
110	prepare_revision_walk(&rev);
111
112	if (pager)
113		html("<table class='list nowrap'>");
114
115	html("<tr class='nohover'><th class='left'>Age</th>"
116	     "<th class='left'>Commit message</th>"
117	     "<th class='left'>Author</th>");
118	if (ctx.repo->enable_log_filecount) {
119		html("<th class='left'>Files</th>");
120		columns++;
121		if (ctx.repo->enable_log_linecount) {
122			html("<th class='left'>Lines</th>");
123			columns++;
124		}
125	}
126	html("</tr>\n");
127
128	if (ofs<0)
129		ofs = 0;
130
131	for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
132		free(commit->buffer);
133		commit->buffer = NULL;
134		free_commit_list(commit->parents);
135		commit->parents = NULL;
136	}
137
138	for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
139		print_commit(commit);
140		free(commit->buffer);
141		commit->buffer = NULL;
142		free_commit_list(commit->parents);
143		commit->parents = NULL;
144	}
145	if (pager) {
146		htmlf("</table><div class='pager'>",
147		     columns);
148		if (ofs > 0) {
149			cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
150				      ctx.qry.sha1, ctx.qry.path,
151				      ofs - cnt, ctx.qry.grep,
152				      ctx.qry.search);
153			html("&nbsp;");
154		}
155		if ((commit = get_revision(&rev)) != NULL) {
156			cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
157				      ctx.qry.sha1, ctx.qry.path,
158				      ofs + cnt, ctx.qry.grep,
159				      ctx.qry.search);
160		}
161		html("</div>");
162	} else if ((commit = get_revision(&rev)) != NULL) {
163		html("<tr class='nohover'><td colspan='3'>");
164		cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL, NULL, 0,
165			      NULL, NULL);
166		html("</td></tr>\n");
167	}
168}