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/* ui-tag.c: display a tag
 *
 * Copyright (C) 2007 Lars Hjemli
 *
 * Licensed under GNU General Public License v2
 *   (see COPYING for full license text)
 */

#include "cgit.h"
#include "html.h"
#include "ui-shared.h"

static void print_tag_content(char *buf)
{
	char *p;

	if (!buf)
		return;

	html("<div class='commit-subject'>");
	p = strchr(buf, '\n');
	if (p)
		*p = '\0';
	html_txt(buf);
	html("</div>");
	if (p) {
		html("<div class='commit-msg'>");
		html_txt(++p);
		html("</div>");
	}
}

static void print_download_links(char *revname)
{
	html("<tr><th>download</th><td class='sha1'>");
	cgit_print_snapshot_links(ctx.qry.repo, ctx.qry.head,
				  revname, ctx.repo->snapshots);
	html("</td></tr>");
}

void cgit_print_tag(char *revname)
{
	unsigned char sha1[20];
	struct object *obj;
	struct tag *tag;
	struct taginfo *info;

	if (!revname)
		revname = ctx.qry.head;

	if (get_sha1(fmt("refs/tags/%s", revname), sha1)) {
		cgit_print_error(fmt("Bad tag reference: %s", revname));
		return;
	}
	obj = parse_object(sha1);
	if (!obj) {
		cgit_print_error(fmt("Bad object id: %s", sha1_to_hex(sha1)));
		return;
	}
	if (obj->type == OBJ_TAG) {
		tag = lookup_tag(sha1);
		if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag))) {
			cgit_print_error(fmt("Bad tag object: %s", revname));
			return;
		}
		html("<table class='commit-info'>\n");
		htmlf("<tr><td>tag name</td><td>");
		html_txt(revname);
		htmlf(" (%s)</td></tr>\n", sha1_to_hex(sha1));
		if (info->tagger_date > 0) {
			html("<tr><td>tag date</td><td>");
			cgit_print_date(info->tagger_date, FMT_LONGDATE, ctx.cfg.local_time);
			html("</td></tr>\n");
		}
		if (info->tagger) {
			html("<tr><td>tagged by</td><td>");
			html_txt(info->tagger);
			if (info->tagger_email && !ctx.cfg.noplainemail) {
				html(" ");
				html_txt(info->tagger_email);
			}
			html("</td></tr>\n");
		}
		html("<tr><td>tagged object</td><td class='sha1'>");
		cgit_object_link(tag->tagged);
		html("</td></tr>\n");
		if (ctx.repo->snapshots)
			print_download_links(revname);
		html("</table>\n");
		print_tag_content(info->msg);
	} else {
		html("<table class='commit-info'>\n");
		htmlf("<tr><td>tag name</td><td>");
		html_txt(revname);
		html("</td></tr>\n");
		html("<tr><td>Tagged object</td><td class='sha1'>");
		cgit_object_link(obj);
		html("</td></tr>\n");
		if (ctx.repo->snapshots)
			print_download_links(revname);
		html("</table>\n");
	}
	return;
}
n">t, p - 1); t = p; mode++; } else if (mode == 1 && *p == '\n') { *name = substr(t, p); p++; break; } else if (mode == 2 && *p == '>') { *email = substr(t, p + 1); t = p; mode++; } else if (mode == 2 && *p == '\n') { *email = substr(t, p); p++; break; } else if (mode == 3 && isdigit(*p)) { *date = atol(p); mode++; } else if (*p == '\n') { p++; break; } p++; } return p; } #ifdef NO_ICONV #define reencode(a, b, c) #else const char *reencode(char **txt, const char *src_enc, const char *dst_enc) { char *tmp; if (!txt || !*txt || !src_enc || !dst_enc) return *txt; tmp = reencode_string(*txt, src_enc, dst_enc); if (tmp) { free(*txt); *txt = tmp; } return *txt; } #endif 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; ret->msg_encoding = NULL; if (p == NULL) return ret; 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 (p && !strncmp(p, "author ", 7)) { p = parse_user(p + 7, &ret->author, &ret->author_email, &ret->author_date); } if (p && !strncmp(p, "committer ", 9)) { p = parse_user(p + 9, &ret->committer, &ret->committer_email, &ret->committer_date); } if (p && !strncmp(p, "encoding ", 9)) { p += 9; t = strchr(p, '\n'); if (t) { ret->msg_encoding = substr(p, t + 1); p = t + 1; } } // skip unknown header fields while (p && *p && (*p != '\n')) { p = strchr(p, '\n'); if (p) p++; } // skip empty lines between headers and message while (p && *p == '\n') p++; if (!p) return ret; t = strchr(p, '\n'); if (t) { ret->subject = substr(p, t); p = t + 1; while (p && *p == '\n') { p = strchr(p, '\n'); if (p) p++; } if (p) ret->msg = xstrdup(p); } else ret->subject = xstrdup(p); if (ret->msg_encoding) { reencode(&ret->subject, PAGE_ENCODING, ret->msg_encoding); reencode(&ret->msg, PAGE_ENCODING, ret->msg_encoding); } return ret; } struct taginfo *cgit_parse_tag(struct tag *tag) { void *data; enum object_type type; unsigned long size; char *p; struct taginfo *ret; data = read_sha1_file(tag->object.sha1, &type, &size); if (!data || type != OBJ_TAG) { 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 && *p) { if (*p == '\n') break; if (!strncmp(p, "tagger ", 7)) { p = parse_user(p + 7, &ret->tagger, &ret->tagger_email, &ret->tagger_date); } else { p = strchr(p, '\n'); if (p) p++; } } // skip empty lines between headers and message while (p && *p == '\n') p++; if (p && *p) ret->msg = xstrdup(p); free(data); return ret; }