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
 11static int get_one_line(char *txt)
 12{
 13	char *t;
 14
 15	for(t=txt; *t != '\n' && t != '\0'; t++)
 16		;
 17	*t = '\0';
 18	return t-txt-1;
 19}
 20
 21static void cgit_print_commit_shortlog(struct commit *commit)
 22{
 23	char *h, *t, *p; 
 24	char *tree = NULL, *author = NULL, *subject = NULL;
 25	int len;
 26	time_t sec;
 27	struct tm *time;
 28	char buf[32];
 29
 30	h = t = commit->buffer;
 31	
 32	if (strncmp(h, "tree ", 5))
 33		die("Bad commit format: %s", 
 34		    sha1_to_hex(commit->object.sha1));
 35	
 36	len = get_one_line(h);
 37	tree = h+5;
 38	h += len + 2;
 39
 40	while (!strncmp(h, "parent ", 7))
 41		h += get_one_line(h) + 2;
 42	
 43	if (!strncmp(h, "author ", 7)) {
 44		author = h+7;
 45		h += get_one_line(h) + 2;
 46		t = author;
 47		while(t!=h && *t!='<') 
 48			t++;
 49		*t='\0';
 50		p = t;
 51		while(--t!=author && *t==' ')
 52			*t='\0';
 53		while(++p!=h && *p!='>')
 54			;
 55		while(++p!=h && !isdigit(*p))
 56			;
 57
 58		t = p;
 59		while(++p && isdigit(*p))
 60			;
 61		*p = '\0';
 62		sec = atoi(t);
 63		time = gmtime(&sec);
 64	}
 65
 66	while((len = get_one_line(h)) > 0)
 67		h += len+2;
 68
 69	h++;
 70	len = get_one_line(h);
 71
 72	subject = h;
 73
 74	html("<tr><td>");
 75	strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", time);
 76	html_txt(buf);
 77	html("</td><td>");
 78	char *qry = fmt("id=%s", sha1_to_hex(commit->object.sha1));
 79	char *url = cgit_pageurl(cgit_query_repo, "view", qry);
 80	html_link_open(url, NULL, NULL);
 81	html_txt(subject);
 82	html_link_close();
 83	html("</td><td>");
 84	html_txt(author);
 85	html("</td><td><a href='");
 86	html_attr(cgit_pageurl(cgit_query_repo, "tree", 
 87			       fmt("id=%s", 
 88				   sha1_to_hex(commit->tree->object.sha1))));
 89	html("'>tree</a>");
 90	html("</td></tr>\n");
 91}
 92
 93void cgit_print_log(const char *tip, int ofs, int cnt)
 94{
 95	struct rev_info rev;
 96	struct commit *commit;
 97	const char *argv[2] = {NULL, tip};
 98	int i;
 99	
100	init_revisions(&rev, NULL);
101	rev.abbrev = DEFAULT_ABBREV;
102	rev.commit_format = CMIT_FMT_DEFAULT;
103	rev.verbose_header = 1;
104	rev.show_root_diff = 0;
105	setup_revisions(2, argv, &rev, NULL);
106	prepare_revision_walk(&rev);
107
108	html("<h2>Log</h2>");
109	html("<table class='list'>");
110	html("<tr><th>Date</th><th>Message</th><th>Author</th><th>Link</th></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		cgit_print_commit_shortlog(commit);
124		free(commit->buffer);
125		commit->buffer = NULL;
126		free_commit_list(commit->parents);
127		commit->parents = NULL;
128	}
129	html("</table>\n");
130
131	html("<div class='pager'>");
132	if (ofs > 0) {
133		html("&nbsp;<a href='");
134		html(cgit_pageurl(cgit_query_repo, cgit_query_page,
135				  fmt("h=%s&ofs=%d", tip, ofs-cnt)));
136		html("'>[prev]</a>&nbsp;");
137       	}
138
139	if ((commit = get_revision(&rev)) != NULL) {
140		html("&nbsp;<a href='");
141		html(cgit_pageurl(cgit_query_repo, "log",
142				  fmt("h=%s&ofs=%d", tip, ofs+cnt)));
143		html("'>[next]</a>&nbsp;");
144	}
145	html("</div>");
146}
147