gitweb.ps.run Git - ps-cgit/blob - ui-tree.c

   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
  14 char *curr_rev;
  15 char *match_path;
  16 int header = 0;
  17
  18 static 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
  57 static 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
  80 static 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
 112 static 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
 172 static 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
 184 static void ls_tail()
 185 {
 186         if (!header)
 187                 return;
 188         html("</table>\n");
 189         header = 0;
 190 }
 191
 192 static 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
 209 static 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&amp;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  */
 248 void 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 }