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