ui-tree.c (view raw)
1/* ui-tree.c: functions for tree output
2 *
3 * Copyright (C) 2006 Lars Hjemli
4 *
5 * Licensed under GNU General Public License v2
6 * (see COPYING for full license text)
7 */
8
9#include <ctype.h>
10#include "cgit.h"
11#include "html.h"
12#include "ui-shared.h"
13
14char *curr_rev;
15char *match_path;
16int header = 0;
17
18static void print_text_buffer(const char *name, char *buf, unsigned long size)
19{
20 unsigned long lineno, idx;
21 const char *numberfmt =
22 "<a class='no' id='n%1$d' name='n%1$d' href='#n%1$d'>%1$d</a>\n";
23
24 html("<table summary='blob content' class='blob'>\n");
25 if (ctx.cfg.source_filter) {
26 html("<tr><td class='lines'><pre><code>");
27 ctx.cfg.source_filter->argv[1] = xstrdup(name);
28 cgit_open_filter(ctx.cfg.source_filter);
29 write(STDOUT_FILENO, buf, size);
30 cgit_close_filter(ctx.cfg.source_filter);
31 html("</code></pre></td></tr></table>\n");
32 return;
33 }
34
35 html("<tr><td class='linenumbers'><pre>");
36 idx = 0;
37 lineno = 0;
38
39 if (size) {
40 htmlf(numberfmt, ++lineno);
41 while(idx < size - 1) { // skip absolute last newline
42 if (buf[idx] == '\n')
43 htmlf(numberfmt, ++lineno);
44 idx++;
45 }
46 }
47 html("</pre></td>\n");
48 html("<td class='lines'><pre><code>");
49 html_txt(buf);
50 html("</code></pre></td></tr></table>\n");
51}
52
53#define ROWLEN 32
54
55static void print_binary_buffer(char *buf, unsigned long size)
56{
57 unsigned long ofs, idx;
58 static char ascii[ROWLEN + 1];
59
60 html("<table summary='blob content' class='bin-blob'>\n");
61 html("<tr><th>ofs</th><th>hex dump</th><th>ascii</th></tr>");
62 for (ofs = 0; ofs < size; ofs += ROWLEN, buf += ROWLEN) {
63 htmlf("<tr><td class='right'>%04x</td><td class='hex'>", ofs);
64 for (idx = 0; idx < ROWLEN && ofs + idx < size; idx++)
65 htmlf("%*s%02x",
66 idx == 16 ? 4 : 1, "",
67 buf[idx] & 0xff);
68 html(" </td><td class='hex'>");
69 for (idx = 0; idx < ROWLEN && ofs + idx < size; idx++)
70 ascii[idx] = isgraph(buf[idx]) ? buf[idx] : '.';
71 ascii[idx] = '\0';
72 html_txt(ascii);
73 html("</td></tr>\n");
74 }
75 html("</table>\n");
76}
77
78static void print_object(const unsigned char *sha1, char *path, const char *basename)
79{
80 enum object_type type;
81 char *buf;
82 unsigned long size;
83
84 type = sha1_object_info(sha1, &size);
85 if (type == OBJ_BAD) {
86 cgit_print_error(fmt("Bad object name: %s",
87 sha1_to_hex(sha1)));
88 return;
89 }
90
91 buf = read_sha1_file(sha1, &type, &size);
92 if (!buf) {
93 cgit_print_error(fmt("Error reading object %s",
94 sha1_to_hex(sha1)));
95 return;
96 }
97
98 html(" (");
99 cgit_plain_link("plain", NULL, NULL, ctx.qry.head,
100 curr_rev, path);
101 htmlf(")<br/>blob: %s\n", sha1_to_hex(sha1));
102
103 if (buffer_is_binary(buf, size))
104 print_binary_buffer(buf, size);
105 else
106 print_text_buffer(basename, buf, size);
107}
108
109
110static int ls_item(const unsigned char *sha1, const char *base, int baselen,
111 const char *pathname, unsigned int mode, int stage,
112 void *cbdata)
113{
114 char *name;
115 char *fullpath;
116 enum object_type type;
117 unsigned long size = 0;
118
119 name = xstrdup(pathname);
120 fullpath = fmt("%s%s%s", ctx.qry.path ? ctx.qry.path : "",
121 ctx.qry.path ? "/" : "", name);
122
123 if (!S_ISGITLINK(mode)) {
124 type = sha1_object_info(sha1, &size);
125 if (type == OBJ_BAD) {
126 htmlf("<tr><td colspan='3'>Bad object: %s %s</td></tr>",
127 name,
128 sha1_to_hex(sha1));
129 return 0;
130 }
131 }
132
133 html("<tr><td class='ls-mode'>");
134 cgit_print_filemode(mode);
135 html("</td><td>");
136 if (S_ISGITLINK(mode)) {
137 htmlf("<a class='ls-mod' href='");
138 html_attr(fmt(ctx.repo->module_link,
139 name,
140 sha1_to_hex(sha1)));
141 html("'>");
142 html_txt(name);
143 html("</a>");
144 } else if (S_ISDIR(mode)) {
145 cgit_tree_link(name, NULL, "ls-dir", ctx.qry.head,
146 curr_rev, fullpath);
147 } else {
148 cgit_tree_link(name, NULL, "ls-blob", ctx.qry.head,
149 curr_rev, fullpath);
150 }
151 htmlf("</td><td class='ls-size'>%li</td>", size);
152
153 html("<td>");
154 cgit_log_link("log", NULL, "button", ctx.qry.head, curr_rev,
155 fullpath, 0, NULL, NULL, ctx.qry.showmsg);
156 if (ctx.repo->max_stats)
157 cgit_stats_link("stats", NULL, "button", ctx.qry.head,
158 fullpath);
159 html("</td></tr>\n");
160 free(name);
161 return 0;
162}
163
164static void ls_head()
165{
166 html("<table summary='tree listing' class='list'>\n");
167 html("<tr class='nohover'>");
168 html("<th class='left'>Mode</th>");
169 html("<th class='left'>Name</th>");
170 html("<th class='right'>Size</th>");
171 html("<th/>");
172 html("</tr>\n");
173 header = 1;
174}
175
176static void ls_tail()
177{
178 if (!header)
179 return;
180 html("</table>\n");
181 header = 0;
182}
183
184static void ls_tree(const unsigned char *sha1, char *path)
185{
186 struct tree *tree;
187
188 tree = parse_tree_indirect(sha1);
189 if (!tree) {
190 cgit_print_error(fmt("Not a tree object: %s",
191 sha1_to_hex(sha1)));
192 return;
193 }
194
195 ls_head();
196 read_tree_recursive(tree, "", 0, 1, NULL, ls_item, NULL);
197 ls_tail();
198}
199
200
201static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
202 const char *pathname, unsigned mode, int stage,
203 void *cbdata)
204{
205 static int state;
206 static char buffer[PATH_MAX];
207 char *url;
208
209 if (state == 0) {
210 memcpy(buffer, base, baselen);
211 strcpy(buffer+baselen, pathname);
212 url = cgit_pageurl(ctx.qry.repo, "tree",
213 fmt("h=%s&path=%s", curr_rev, buffer));
214 html("/");
215 cgit_tree_link(xstrdup(pathname), NULL, NULL, ctx.qry.head,
216 curr_rev, buffer);
217
218 if (strcmp(match_path, buffer))
219 return READ_TREE_RECURSIVE;
220
221 if (S_ISDIR(mode)) {
222 state = 1;
223 ls_head();
224 return READ_TREE_RECURSIVE;
225 } else {
226 print_object(sha1, buffer, pathname);
227 return 0;
228 }
229 }
230 ls_item(sha1, base, baselen, pathname, mode, stage, NULL);
231 return 0;
232}
233
234
235/*
236 * Show a tree or a blob
237 * rev: the commit pointing at the root tree object
238 * path: path to tree or blob
239 */
240void cgit_print_tree(const char *rev, char *path)
241{
242 unsigned char sha1[20];
243 struct commit *commit;
244 const char *paths[] = {path, NULL};
245
246 if (!rev)
247 rev = ctx.qry.head;
248
249 curr_rev = xstrdup(rev);
250 if (get_sha1(rev, sha1)) {
251 cgit_print_error(fmt("Invalid revision name: %s", rev));
252 return;
253 }
254 commit = lookup_commit_reference(sha1);
255 if (!commit || parse_commit(commit)) {
256 cgit_print_error(fmt("Invalid commit reference: %s", rev));
257 return;
258 }
259
260 html("path: <a href='");
261 html_attr(cgit_pageurl(ctx.qry.repo, "tree", fmt("h=%s", rev)));
262 html("'>root</a>");
263
264 if (path == NULL) {
265 ls_tree(commit->tree->object.sha1, NULL);
266 return;
267 }
268
269 match_path = path;
270 read_tree_recursive(commit->tree, NULL, 0, 0, paths, walk_tree, NULL);
271 ls_tail();
272}