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/* ui-log.c: functions for log output
 *
 * Copyright (C) 2006 Lars Hjemli
 *
 * Licensed under GNU General Public License v2
 *   (see COPYING for full license text)
 */

#include "cgit.h"

void print_commit(struct commit *commit)
{
	char buf[32];
	struct commitinfo *info;
	struct tm *time;

	info = cgit_parse_commit(commit);
	time = gmtime(&commit->date);
	html("<tr><td>");
	strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", time);
	html_txt(buf);
	html("</td><td>");
	char *qry = fmt("id=%s", sha1_to_hex(commit->object.sha1));
	char *url = cgit_pageurl(cgit_query_repo, "commit", qry);
	html_link_open(url, NULL, NULL);
	html_ntxt(80, info->subject);
	html_link_close();
	html("</td><td>");
	html_txt(info->author);
	html("</td></tr>\n");
	cgit_free_commitinfo(info);
}


void cgit_print_log(const char *tip, int ofs, int cnt, char *grep)
{
	struct rev_info rev;
	struct commit *commit;
	const char *argv[3] = {NULL, tip, NULL};
	int argc = 2;
	int i;
	
	if (grep)
		argv[argc++] = fmt("--grep=%s", grep);
	init_revisions(&rev, NULL);
	rev.abbrev = DEFAULT_ABBREV;
	rev.commit_format = CMIT_FMT_DEFAULT;
	rev.verbose_header = 1;
	rev.show_root_diff = 0;
	setup_revisions(argc, argv, &rev, NULL);
	if (rev.grep_filter) {
		rev.grep_filter->regflags |= REG_ICASE;
		compile_grep_patterns(rev.grep_filter);
	}
	prepare_revision_walk(&rev);

	html("<h2>Log</h2>");
	html("<table class='list nowrap'>");
	html("<tr class='nohover'><th class='left'>Date</th>"
	     "<th class='left'>Message</th>"
	     "<th class='left'>Author</th></tr>\n");

	if (ofs<0)
		ofs = 0;

	for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
		free(commit->buffer);
		commit->buffer = NULL;
		free_commit_list(commit->parents);
		commit->parents = NULL;
	}

	for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
		print_commit(commit);
		free(commit->buffer);
		commit->buffer = NULL;
		free_commit_list(commit->parents);
		commit->parents = NULL;
	}
	html("</table>\n");

	html("<div class='pager'>");
	if (ofs > 0) {
		html("&nbsp;<a href='");
		html(cgit_pageurl(cgit_query_repo, cgit_query_page,
				  fmt("h=%s&ofs=%d", tip, ofs-cnt)));
		html("'>[prev]</a>&nbsp;");
       	}

	if ((commit = get_revision(&rev)) != NULL) {
		html("&nbsp;<a href='");
		html(cgit_pageurl(cgit_query_repo, "log",
				  fmt("h=%s&ofs=%d", tip, ofs+cnt)));
		html("'>[next]</a>&nbsp;");
	}
	html("</div>");
}
> = '\0'; return txt-1; } d1 = hextoint(*(txt+1)); d2 = hextoint(*(txt+2)); if (d1<0 || d2<0) { strcpy(txt, txt+3); return txt-1; } else { *txt = d1 * 16 + d2; strcpy(txt+1, txt+3); return txt; } } int cgit_parse_query(char *txt, configfn fn) { char *t, *value = NULL, c; if (!txt) return 0; t = txt = xstrdup(txt); while((c=*t) != '\0') { if (c=='=') { *t = '\0'; value = t+1; } else if (c=='+') { *t = ' '; } else if (c=='%') { t = convert_query_hexchar(t); } else if (c=='&') { *t = '\0'; (*fn)(txt, value); txt = t+1; value = NULL; } t++; } if (t!=txt) (*fn)(txt, value); return 0; } char *substr(const char *head, const char *tail) { char *buf; buf = xmalloc(tail - head + 1); strncpy(buf, head, tail - head); buf[tail - head] = '\0'; return buf; } struct commitinfo *cgit_parse_commit(struct commit *commit) { struct commitinfo *ret; char *p = commit->buffer, *t = commit->buffer; ret = xmalloc(sizeof(*ret)); ret->commit = commit; ret->author = NULL; ret->author_email = NULL; ret->committer = NULL; ret->committer_email = NULL; ret->subject = NULL; ret->msg = NULL; if (strncmp(p, "tree ", 5)) die("Bad commit: %s", sha1_to_hex(commit->object.sha1)); else p += 46; // "tree " + hex[40] + "\n" while (!strncmp(p, "parent ", 7)) p += 48; // "parent " + hex[40] + "\n" if (!strncmp(p, "author ", 7)) { p += 7; t = strchr(p, '<') - 1; ret->author = substr(p, t); p = t; t = strchr(t, '>') + 1; ret->author_email = substr(p, t); ret->author_date = atol(++t); p = strchr(t, '\n') + 1; } if (!strncmp(p, "committer ", 9)) { p += 9; t = strchr(p, '<') - 1; ret->committer = substr(p, t); p = t; t = strchr(t, '>') + 1; ret->committer_email = substr(p, t); ret->committer_date = atol(++t); p = strchr(t, '\n') + 1; } while (*p == '\n') p = strchr(p, '\n') + 1; t = strchr(p, '\n'); if (t && *t) { ret->subject = substr(p, t); p = t + 1; while (*p == '\n') p = strchr(p, '\n') + 1; ret->msg = p; } return ret; } struct taginfo *cgit_parse_tag(struct tag *tag) { void *data; char type[20]; unsigned long size; char *p, *t; struct taginfo *ret; data = read_sha1_file(tag->object.sha1, type, &size); if (!data || strcmp(type, tag_type)) { free(data); return 0; } ret = xmalloc(sizeof(*ret)); ret->tagger = NULL; ret->tagger_email = NULL; ret->tagger_date = 0; ret->msg = NULL; p = data; while (p) { if (*p == '\n') break; if (!strncmp(p, "tagger ", 7)) { p += 7; t = strchr(p, '<') - 1; ret->tagger = substr(p, t); p = t; t = strchr(t, '>') + 1; ret->tagger_email = substr(p, t); ret->tagger_date = atol(++t); } p = strchr(p, '\n') + 1; } while (p && (*p == '\n')) p = strchr(p, '\n') + 1; if (p) ret->msg = xstrdup(p); free(data); return ret; }