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