summaryrefslogtreecommitdiffabout
path: root/ui-tree.c
blob: 553dbaa5a27e60ebad594d23cc842895bdf4beed (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
/* 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(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");
	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");
	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'>%04x</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)
{
	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, &size);
	if (!buf) {
		cgit_print_error(fmt("Error reading object %s",
				     sha1_to_hex(sha1)));
		return;
	}

	html(" (");
	cgit_plain_link("plain", NULL, NULL, ctx.qry.head,
		        curr_rev, path);
	htmlf(")<br/>blob: %s\n", sha1_to_hex(sha1));

	if (buffer_is_binary(buf, size))
		print_binary_buffer(buf, size);
	else
		print_text_buffer(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;
	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 {
		cgit_tree_link(name, NULL, "ls-blob", 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);
	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];
	char *url;

	if (state == 0) {
		memcpy(buffer, base, baselen);
		strcpy(buffer+baselen, pathname);
		url = cgit_pageurl(ctx.qry.repo, "tree",
				   fmt("h=%s&amp;path=%s", curr_rev, buffer));
		html("/");
		cgit_tree_link(xstrdup(pathname), NULL, NULL, ctx.qry.head,
			       curr_rev, buffer);

		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);
			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;
	}

	html("path: <a href='");
	html_attr(cgit_pageurl(ctx.qry.repo, "tree", fmt("h=%s", rev)));
	html("'>root</a>");

	if (path == NULL) {
		ls_tree(commit->tree->object.sha1, NULL);
		return;
	}

	match_path = path;
	read_tree_recursive(commit->tree, NULL, 0, 0, paths, walk_tree, NULL);
	ls_tail();
}