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

#include "cgit.h"

char *curr_rev;
char *match_path;
int header = 0;

static void print_object(const unsigned char *sha1, char *path)
{
	enum object_type type;
	char *buf;
	unsigned long size, lineno, start, idx;
	const char *linefmt = "<tr><td class='no'><a id='n%1$d' name='n%1$d' href='#n%1$d'>%1$d</a></td><td class='txt'>";

	type = sha1_object_info(sha1, &size);
	if (type == OBJ_BAD) {
		cgit_print_error(fmt("Bad object name: %s",
				     sha1_to_hex(sha1)));
		return;
	}

	buf = read_sha1_file(sha1, &type, &size);
	if (!buf) {
		cgit_print_error(fmt("Error reading object %s",
				     sha1_to_hex(sha1)));
		return;
	}

	html(" blob: <a href='");
	html_attr(cgit_pageurl(cgit_query_repo, "blob", fmt("id=%s", sha1_to_hex(sha1))));
	htmlf("'>%s</a>",sha1_to_hex(sha1));

	html("<table summary='blob content' class='blob'>\n");
	idx = 0;
	start = 0;
	lineno = 0;
	while(idx < size) {
		if (buf[idx] == '\n') {
			buf[idx] = '\0';
			htmlf(linefmt, ++lineno);
			html_txt(buf + start);
			html("</td></tr>\n");
			start = idx + 1;
		}
		idx++;
	}
	htmlf(linefmt, ++lineno);
	html_txt(buf + start);
	html("</td></tr>\n");
	html("</table>\n");
}


static int ls_item(const unsigned char *sha1, const char *base, int baselen,
		   const char *pathname, unsigned int mode, int stage)
{
	char *name;
	char *fullpath;
	enum object_type type;
	unsigned long size = 0;

	name = xstrdup(pathname);
	fullpath = fmt("%s%s%s", cgit_query_path ? cgit_query_path : "",
		       cgit_query_path ? "/" : "", name);

	type = sha1_object_info(sha1, &size);
	if (type == OBJ_BAD && !S_ISGITLINK(mode)) {
		htmlf("<tr><td colspan='3'>Bad object: %s %s</td></tr>",
		      name,
		      sha1_to_hex(sha1));
		return 0;
	}

	html("<tr><td class='ls-mode'>");
	html_filemode(mode);
	html("</td><td>");
	if (S_ISGITLINK(mode)) {
		htmlf("<a class='ls-mod' href='");
		html_attr(fmt(cgit_repo->module_link,
			      name,
			      sha1_to_hex(sha1)));
		html("'>");
		html_txt(name);
		html("</a>");
	} else if (S_ISDIR(mode)) {
		cgit_tree_link(name, NULL, "ls-dir", cgit_query_head,
			       curr_rev, fullpath);
	} else {
		cgit_tree_link(name, NULL, "ls-blob", cgit_query_head,
			       curr_rev, fullpath);
	}
	htmlf("</td><td class='ls-size'>%li</td>", size);

	html("<td>");
	cgit_log_link("log", NULL, "button", cgit_query_head, curr_rev,
		      fullpath, 0, NULL, NULL);
	html("</td></tr>\n");
	free(name);
	return 0;
}

static void ls_head()
{
	html("<table summary='tree listing' class='list'>\n");
	html("<tr class='nohover'>");
	html("<th class='left'>Mode</th>");
	html("<th class='left'>Name</th>");
	html("<th class='right'>Size</th>");
	html("<th/>");
	html("</tr>\n");
	header = 1;
}

static void ls_tail()
{
	if (!header)
		return;
	html("</table>\n");
	header = 0;
}

static void ls_tree(const unsigned char *sha1, char *path)
{
	struct tree *tree;

	tree = parse_tree_indirect(sha1);
	if (!tree) {
		cgit_pri<style>pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .k