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
26 if (ctx.cfg.enable_tree_linenumbers) {
27 html("<tr><td class='linenumbers'><pre>");
28 idx = 0;
29 lineno = 0;
30
31 if (size) {
32 htmlf(numberfmt, ++lineno);
33 while(idx < size - 1) { // skip absolute last newline
34 if (buf[idx] == '\n')
35 htmlf(numberfmt, ++lineno);
36 idx++;
37 }
38 }
39 html("</pre></td>\n");
40 }
41 else {
42 html("<tr>\n");
43 }
44
45 if (ctx.repo->source_filter) {
46 html("<td class='lines'><pre><code>");
47 ctx.repo->source_filter->argv[1] = xstrdup(name);
48 cgit_open_filter(ctx.repo->source_filter);
49 write(STDOUT_FILENO, buf, size);
50 cgit_close_filter(ctx.repo->source_filter);
51 html("</code></pre></td></tr></table>\n");
52 return;
53 }
54
55 html("<td class='lines'><pre><code>");
56 html_txt(buf);
57 html("</code></pre></td></tr></table>\n");
58}
59
60#define ROWLEN 32
61
62static void print_binary_buffer(char *buf, unsigned long size)
63{
64 unsigned long ofs, idx;
65 static char ascii[ROWLEN + 1];
66
67 html("<table summary='blob content' class='bin-blob'>\n");
68 html("<tr><th>ofs</th><th>hex dump</th><th>ascii</th></tr>");
69 for (ofs = 0; ofs < size; ofs += ROWLEN, buf += ROWLEN) {
70 htmlf("<tr><td class='right'>%04x</td><td class='hex'>", ofs);
71 for (idx = 0; idx < ROWLEN && ofs + idx < size; idx++)
72 htmlf("%*s%02x",
73 idx == 16 ? 4 : 1, "",
74 buf[idx] & 0xff);
75 html(" </td><td class='hex'>");
76 for (idx = 0; idx < ROWLEN && ofs + idx < size; idx++)
77 ascii[idx] = isgraph(buf[idx]) ? buf[idx] : '.';
78 ascii[idx] = '\0';
79 html_txt(ascii);
80 html("</td></tr>\n");
81 }
82 html("</table>\n");
83}
84
85static void print_object(const unsigned char *sha1, char *path, const char *basename)
86{
87 enum object_type type;
88 char *buf;
89 unsigned long size;
90
91 type = sha1_object_info(sha1, &size);
92 if (type == OBJ_BAD) {
93 cgit_print_error(fmt("Bad object name: %s",
94 sha1_to_hex(sha1)));
95 return;
96 }
97
98 buf = read_sha1_file(sha1, &type, &size);
99 if (!buf) {
100 cgit_print_error(fmt("Error reading object %s",
101 sha1_to_hex(sha1)));
102 return;
103 }
104
105 html(" (");
106 cgit_plain_link("plain", NULL, NULL, ctx.qry.head,
107 curr_rev, path);
108 htmlf(")<br/>blob: %s\n", sha1_to_hex(sha1));
109
110 if (buffer_is_binary(buf, size))
111 print_binary_buffer(buf, size);
112 else
113 print_text_buffer(basename, buf, size);
114}
115
116
117static int ls_item(const unsigned char *sha1, const char *base, int baselen,
118 const char *pathname, unsigned int mode, int stage,
119 void *cbdata)
120{
121 char *name;
122 char *fullpath;
123 char *class;
124 enum object_type type;
125 unsigned long size = 0;
126
127 name = xstrdup(pathname);
128 fullpath = fmt("%s%s%s", ctx.qry.path ? ctx.qry.path : "",
129 ctx.qry.path ? "/" : "", name);
130
131 if (!S_ISGITLINK(mode)) {
132 type = sha1_object_info(sha1, &size);
133 if (type == OBJ_BAD) {
134 htmlf("<tr><td colspan='3'>Bad object: %s %s</td></tr>",
135 name,
136 sha1_to_hex(sha1));
137 return 0;
138 }
139 }
140
141 html("<tr><td class='ls-mode'>");
142 cgit_print_filemode(mode);
143 html("</td><td>");
144 if (S_ISGITLINK(mode)) {
145 htmlf("<a class='ls-mod' href='");
146 html_attr(fmt(ctx.repo->module_link,
147 name,
148 sha1_to_hex(sha1)));
149 html("'>");
150 html_txt(name);
151 html("</a>");
152 } else if (S_ISDIR(mode)) {
153 cgit_tree_link(name, NULL, "ls-dir", ctx.qry.head,
154 curr_rev, fullpath);
155 } else {
156 class = strrchr(name, '.');
157 if (class != NULL) {
158 class = fmt("ls-blob %s", class + 1);
159 } else
160 class = "ls-blob";
161 cgit_tree_link(name, NULL, class, ctx.qry.head,
162 curr_rev, fullpath);
163 }
164 htmlf("</td><td class='ls-size'>%li</td>", size);
165
166 html("<td>");
167 cgit_log_link("log", NULL, "button", ctx.qry.head, curr_rev,
168 fullpath, 0, NULL, NULL, ctx.qry.showmsg);
169 if (ctx.repo->max_stats)
170 cgit_stats_link("stats", NULL, "button", ctx.qry.head,
171 fullpath);
172 html("</td></tr>\n");
173 free(name);
174 return 0;
175}
176
177static void ls_head()
178{
179 html("<table summary='tree listing' class='list'>\n");
180 html("<tr class='nohover'>");
181 html("<th class='left'>Mode</th>");
182 html("<th class='left'>Name</th>");
183 html("<th class='right'>Size</th>");
184 html("<th/>");
185 html("</tr>\n");
186 header = 1;
187}
188
189static void ls_tail()
190{
191 if (!header)
192 return;
193 html("</table>\n");
194 header = 0;
195}
196
197static void ls_tree(const unsigned char *sha1, char *path)
198{
199 struct tree *tree;
200
201 tree = parse_tree_indirect(sha1);
202 if (!tree) {
203 cgit_print_error(fmt("Not a tree object: %s",
204 sha1_to_hex(sha1)));
205 return;
206 }
207
208 ls_head();
209 read_tree_recursive(tree, "", 0, 1, NULL, ls_item, NULL);
210 ls_tail();
211}
212
213
214static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
215 const char *pathname, unsigned mode, int stage,
216 void *cbdata)
217{
218 static int state;
219 static char buffer[PATH_MAX];
220 char *url;
221
222 if (state == 0) {
223 memcpy(buffer, base, baselen);
224 strcpy(buffer+baselen, pathname);
225 url = cgit_pageurl(ctx.qry.repo, "tree",
226 fmt("h=%s&path=%s", curr_rev, buffer));
227 html("/");
228 cgit_tree_link(xstrdup(pathname), NULL, NULL, ctx.qry.head,
229 curr_rev, buffer);
230
231 if (strcmp(match_path, buffer))
232 return READ_TREE_RECURSIVE;
233
234 if (S_ISDIR(mode)) {
235 state = 1;
236 ls_head();
237 return READ_TREE_RECURSIVE;
238 } else {
239 print_object(sha1, buffer, pathname);
240 return 0;
241 }
242 }
243 ls_item(sha1, base, baselen, pathname, mode, stage, NULL);
244 return 0;
245}
246
247
248/*
249 * Show a tree or a blob
250 * rev: the commit pointing at the root tree object
251 * path: path to tree or blob
252 */
253void cgit_print_tree(const char *rev, char *path)
254{
255 unsigned char sha1[20];
256 struct commit *commit;
257 const char *paths[] = {path, NULL};
258
259 if (!rev)
260 rev = ctx.qry.head;
261
262 curr_rev = xstrdup(rev);
263 if (get_sha1(rev, sha1)) {
264 cgit_print_error(fmt("Invalid revision name: %s", rev));
265 return;
266 }
267 commit = lookup_commit_reference(sha1);
268 if (!commit || parse_commit(commit)) {
269 cgit_print_error(fmt("Invalid commit reference: %s", rev));
270 return;
271 }
272
273 html("path: <a href='");
274 html_attr(cgit_pageurl(ctx.qry.repo, "tree", fmt("h=%s", rev)));
275 html("'>root</a>");
276
277 if (path == NULL) {
278 ls_tree(commit->tree->object.sha1, NULL);
279 return;
280 }
281
282 match_path = path;
283 read_tree_recursive(commit->tree, NULL, 0, 0, paths, walk_tree, NULL);
284 ls_tail();
285}