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
 67
 68void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
 69		    char *path, int pager)
 70{
 71	struct rev_info rev;
 72	struct commit *commit;
 73	const char *argv[] = {NULL, tip, NULL, NULL, NULL};
 74	int argc = 2;
 75	int i, columns = 3;
 76
 77	if (!tip)
 78		argv[1] = ctx.qry.head;
 79
 80	if (grep && pattern && (!strcmp(grep, "grep") ||
 81				!strcmp(grep, "author") ||
 82				!strcmp(grep, "committer")))
 83		argv[argc++] = fmt("--%s=%s", grep, pattern);
 84
 85	if (path) {
 86		argv[argc++] = "--";
 87		argv[argc++] = path;
 88	}
 89	init_revisions(&rev, NULL);
 90	rev.abbrev = DEFAULT_ABBREV;
 91	rev.commit_format = CMIT_FMT_DEFAULT;
 92	rev.verbose_header = 1;
 93	rev.show_root_diff = 0;
 94	setup_revisions(argc, argv, &rev, NULL);
 95	rev.grep_filter.regflags |= REG_ICASE;
 96	compile_grep_patterns(&rev.grep_filter);
 97	prepare_revision_walk(&rev);
 98
 99	if (pager)
100		html("<table class='list nowrap'>");
101
102	html("<tr class='nohover'><th class='left'>Age</th>"
103	     "<th class='left'>Commit message</th>"
104	     "<th class='left'>Author</th>");
105	if (ctx.repo->enable_log_filecount) {
106		html("<th class='left'>Files</th>");
107		columns++;
108		if (ctx.repo->enable_log_linecount) {
109			html("<th class='left'>Lines</th>");
110			columns++;
111		}
112	}
113	html("</tr>\n");
114
115	if (ofs<0)
116		ofs = 0;
117
118	for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
119		free(commit->buffer);
120		commit->buffer = NULL;
121		free_commit_list(commit->parents);
122		commit->parents = NULL;
123	}
124
125	for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
126		print_commit(commit);
127		free(commit->buffer);
128		commit->buffer = NULL;
129		free_commit_list(commit->parents);
130		commit->parents = NULL;
131	}
132	if (pager) {
133		htmlf("</table><div class='pager'>",
134		     columns);
135		if (ofs > 0) {
136			cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
137				      ctx.qry.sha1, ctx.qry.path,
138				      ofs - cnt, ctx.qry.grep,
139				      ctx.qry.search);
140			html("&nbsp;");
141		}
142		if ((commit = get_revision(&rev)) != NULL) {
143			cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
144				      ctx.qry.sha1, ctx.qry.path,
145				      ofs + cnt, ctx.qry.grep,
146				      ctx.qry.search);
147		}
148		html("</div>");
149	} else if ((commit = get_revision(&rev)) != NULL) {
150		html("<tr class='nohover'><td colspan='3'>");
151		cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL, NULL, 0,
152			      NULL, NULL);
153		html("</td></tr>\n");
154	}
155}