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/* ui-log.c: functions for log output
 *
 * Copyright (C) 
/* 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 <ctype.h>
#include "cgit.h"
#include "html.h"
#include "ui-shared.h"

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

static void print_text_buffer(const char *name, char *buf, unsigned long size)
{
	unsigned long lineno, idx;
	const char *numberfmt =
		"<a class='no' id='n%1$d' name='n%1$d' href='#n%1$d'>%1$d</a>\n";

	html("<table summary='blob content' class='blob'>\n");

	if (ctx.cfg.enable_tree_linenumbers) {
		html("<tr><td class='linenumbers'><pre>");
		idx = 0;
		lineno = 0;
	
		if (size) {
			htmlf(numberfmt, ++lineno);
			while(idx < size - 1) { // skip absolute last newline
				if (buf[idx] == '\n')
					htmlf(numberfmt, ++lineno);
				idx++;
			}
		}
		html("</pre></td>\n");
	}
	else {
		html("<tr>\n");
	}

	if (ctx.repo->source_filter) {
		html("<td class='lines'><pre><code>");
		ctx.repo->source_filter->argv[1] = xstrdup(name);
		cgit_open_filter(ctx.repo->source_filter);
		html_raw(buf, size);
		cgit_close_filter(ctx.repo->source_filter);
		html("</code></pre></td></tr></table>\n");
		return;
	}

	html("<td class='lines'><pre><code>");
	html_txt(buf);
	html("</code></pre></td></tr></table>\n");
}

#define ROWLEN 32

static void print_binary_buffer(char *buf, unsigned long size)
{
	unsigned long ofs, idx;
	static char ascii[ROWLEN + 1];

	html("<table summary='blob content' class='bin-blob'>\n");
	html("<tr><th>ofs</th><th>hex dump</th><th>ascii</th></tr>");
	for (ofs = 0; ofs < size; ofs += ROWLEN, buf += ROWLEN) {
		htmlf("<tr><td class='right'>%04lx</td><td class='hex'>", ofs);
		for (idx = 0; idx < ROWLEN && ofs + idx < size; idx++)
			htmlf("%*s%02x",
			      idx == 16 ? 4 : 1, "",
			      buf[idx] & 0xff);
		html(" </td><td class='hex'>");
		for (idx = 0; idx < ROWLEN && ofs + idx < size; idx++)
			ascii[idx] = isgraph(buf[idx]) ? buf[idx] : '.';
		ascii[idx] = '\0';
		html_txt(ascii);
		html("</td></tr>\n");
	}
	html("</table>\n");
}

static void print_object(const unsigned char *sha1, char *path, const char *basename)
{
	enum object_type type;
	char *buf;
	unsigned long size;

	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,
n>{ cgit_print_error(fmt("Error reading object %s", sha1_to_hex(sha1))); return; } htmlf("blob: %s (", sha1_to_hex(sha1)); cgit_plain_link("plain", NULL, NULL, ctx.qry.head, curr_rev, path); html(")\n"); if (ctx.cfg.max_blob_size && size / 1024 > ctx.cfg.max_blob_size) { htmlf("<div class='error'>blob size (%ldKB) exceeds display size limit (%dKB).</div>", size / 1024, ctx.cfg.max_blob_size); return; } if (buffer_is_binary(buf, size)) print_binary_buffer(buf, size); else print_text_buffer(basename, buf, size); } static int ls_item(const unsigned char *sha1, const char *base, int baselen, const char *pathname, unsigned int mode, int stage, void *cbdata) { char *name; char *fullpath; char *class; enum object_type type; unsigned long size = 0; name = xstrdup(pathname); fullpath = fmt("%s%s%s", ctx.qry.path ? ctx.qry.path : "", ctx.qry.path ? "/" : "", name); if (!S_ISGITLINK(mode)) { type = sha1_object_info(sha1, &size); if (type == OBJ_BAD) { htmlf("<tr><td colspan='3'>Bad object: %s %s</td></tr>", name, sha1_to_hex(sha1)); return 0; } } html("<tr><td class='ls-mode'>"); cgit_print_filemode(mode); html("</td><td>"); if (S_ISGITLINK(mode)) { htmlf("<a class='ls-mod' href='"); html_attr(fmt(ctx.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", ctx.qry.head, curr_rev, fullpath); } else { class = strrchr(name, '.'); if (class != NULL) { class = fmt("ls-blob %s", class + 1); } else class = "ls-blob"; cgit_tree_link(name, NULL, class, ctx.qry.head, curr_rev, fullpath); } htmlf("</td><td class='ls-size'>%li</td>", size); html("<td>"); cgit_log_link("log", NULL, "button", ctx.qry.head, curr_rev, fullpath, 0, NULL, NULL, ctx.qry.showmsg); if (ctx.repo->max_stats) cgit_stats_link("stats", NULL, "button", ctx.qry.head, fullpath); cgit_plain_link("plain", NULL, "button", ctx.qry.head, curr_rev, fullpath); 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_print_error(fmt("Not a tree object: %s", sha1_to_hex(sha1))); return; } ls_head(); read_tree_recursive(tree, "", 0, 1, NULL, ls_item, NULL); ls_tail(); } static int walk_tree(const unsigned char *sha1, const char *base, int baselen, const char *pathname, unsigned mode, int stage, void *cbdata) { static int state; static char buffer[PATH_MAX]; if (state == 0) { memcpy(buffer, base, baselen); strcpy(buffer+baselen, pathname); if (strcmp(match_path, buffer)) return READ_TREE_RECURSIVE; if (S_ISDIR(mode)) { state = 1; ls_head(); return READ_TREE_RECURSIVE; } else { print_object(sha1, buffer, pathname); return 0; } } ls_item(sha1, base, baselen, pathname, mode, stage, NULL); return 0; } /* * Show a tree or a blob * rev: the commit pointing at the root tree object * path: path to tree or blob */ void cgit_print_tree(const char *rev, char *path) { unsigned char sha1[20]; struct commit *commit; const char *paths[] = {path, NULL}; if (!rev) rev = ctx.qry.head; curr_rev = xstrdup(rev); if (get_sha1(rev, sha1)) { cgit_print_error(fmt("Invalid revision name: %s", rev)); return; } commit = lookup_commit_reference(sha1); if (!commit || parse_commit(commit)) { cgit_print_error(fmt("Invalid commit reference: %s", rev)); return; } if (path == NULL) { ls_tree(commit->tree->object.sha1, NULL); return; } match_path = path; read_tree_recursive(commit->tree, "", 0, 0, paths, walk_tree, NULL); ls_tail(); }