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