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 static int state;
  18
  19 static void print_text_buffer(const char *name, char *buf, unsigned long size)
  20 {
  21         unsigned long lineno, idx;
  22         const char *numberfmt =
  23                 "<a class='no' id='n%1$d' name='n%1$d' href='#n%1$d'>%1$d</a>\n";
  24
  25         html("<table summary='blob content' class='blob'>\n");
  26
  27         if (ctx.cfg.enable_tree_linenumbers) {
  28                 html("<tr><td class='linenumbers'><pre>");
  29                 idx = 0;
  30                 lineno = 0;
  31
  32                 if (size) {
  33                         htmlf(numberfmt, ++lineno);
  34                         while (idx < size - 1) { // skip absolute last newline
  35                                 if (buf[idx] == '\n')
  36                                         htmlf(numberfmt, ++lineno);
  37                                 idx++;
  38                         }
  39                 }
  40                 html("</pre></td>\n");
  41         }
  42         else {
  43                 html("<tr>\n");
  44         }
  45
  46         if (ctx.repo->source_filter) {
  47                 html("<td class='lines'><pre><code>");
  48                 ctx.repo->source_filter->argv[1] = xstrdup(name);
  49                 cgit_open_filter(ctx.repo->source_filter);
  50                 html_raw(buf, size);
  51                 cgit_close_filter(ctx.repo->source_filter);
  52                 free(ctx.repo->source_filter->argv[1]);
  53                 ctx.repo->source_filter->argv[1] = NULL;
  54                 html("</code></pre></td></tr></table>\n");
  55                 return;
  56         }
  57
  58         html("<td class='lines'><pre><code>");
  59         html_txt(buf);
  60         html("</code></pre></td></tr></table>\n");
  61 }
  62
  63 #define ROWLEN 32
  64
  65 static void print_binary_buffer(char *buf, unsigned long size)
  66 {
  67         unsigned long ofs, idx;
  68         static char ascii[ROWLEN + 1];
  69
  70         html("<table summary='blob content' class='bin-blob'>\n");
  71         html("<tr><th>ofs</th><th>hex dump</th><th>ascii</th></tr>");
  72         for (ofs = 0; ofs < size; ofs += ROWLEN, buf += ROWLEN) {
  73                 htmlf("<tr><td class='right'>%04lx</td><td class='hex'>", ofs);
  74                 for (idx = 0; idx < ROWLEN && ofs + idx < size; idx++)
  75                         htmlf("%*s%02x",
  76                               idx == 16 ? 4 : 1, "",
  77                               buf[idx] & 0xff);
  78                 html(" </td><td class='hex'>");
  79                 for (idx = 0; idx < ROWLEN && ofs + idx < size; idx++)
  80                         ascii[idx] = isgraph(buf[idx]) ? buf[idx] : '.';
  81                 ascii[idx] = '\0';
  82                 html_txt(ascii);
  83                 html("</td></tr>\n");
  84         }
  85         html("</table>\n");
  86 }
  87
  88 static void print_object(const unsigned char *sha1, char *path, const char *basename, const char *rev)
  89 {
  90         enum object_type type;
  91         char *buf;
  92         unsigned long size;
  93
  94         type = sha1_object_info(sha1, &size);
  95         if (type == OBJ_BAD) {
  96                 cgit_print_error(fmt("Bad object name: %s",
  97                                      sha1_to_hex(sha1)));
  98                 return;
  99         }
 100
 101         buf = read_sha1_file(sha1, &type, &size);
 102         if (!buf) {
 103                 cgit_print_error(fmt("Error reading object %s",
 104                                      sha1_to_hex(sha1)));
 105                 return;
 106         }
 107
 108         htmlf("blob: %s (", sha1_to_hex(sha1));
 109         cgit_plain_link("plain", NULL, NULL, ctx.qry.head,
 110                         rev, path);
 111         html(")\n");
 112
 113         if (ctx.cfg.max_blob_size && size / 1024 > ctx.cfg.max_blob_size) {
 114                 htmlf("<div class='error'>blob size (%ldKB) exceeds display size limit (%dKB).</div>",
 115                                 size / 1024, ctx.cfg.max_blob_size);
 116                 return;
 117         }
 118
 119         if (buffer_is_binary(buf, size))
 120                 print_binary_buffer(buf, size);
 121         else
 122                 print_text_buffer(basename, buf, size);
 123 }
 124
 125
 126 static int ls_item(const unsigned char *sha1, const char *base, int baselen,
 127                    const char *pathname, unsigned int mode, int stage,
 128                    void *cbdata)
 129 {
 130         char *name;
 131         char *fullpath;
 132         char *class;
 133         enum object_type type;
 134         unsigned long size = 0;
 135
 136         name = xstrdup(pathname);
 137         fullpath = fmt("%s%s%s", ctx.qry.path ? ctx.qry.path : "",
 138                        ctx.qry.path ? "/" : "", name);
 139
 140         if (!S_ISGITLINK(mode)) {
 141                 type = sha1_object_info(sha1, &size);
 142                 if (type == OBJ_BAD) {
 143                         htmlf("<tr><td colspan='3'>Bad object: %s %s</td></tr>",
 144                               name,
 145                               sha1_to_hex(sha1));
 146                         return 0;
 147                 }
 148         }
 149
 150         html("<tr><td class='ls-mode'>");
 151         cgit_print_filemode(mode);
 152         html("</td><td>");
 153         if (S_ISGITLINK(mode)) {
 154                 cgit_submodule_link("ls-mod", fullpath, sha1_to_hex(sha1));
 155         } else if (S_ISDIR(mode)) {
 156                 cgit_tree_link(name, NULL, "ls-dir", ctx.qry.head,
 157                                curr_rev, fullpath);
 158         } else {
 159                 class = strrchr(name, '.');
 160                 if (class != NULL) {
 161                         class = fmt("ls-blob %s", class + 1);
 162                 } else
 163                         class = "ls-blob";
 164                 cgit_tree_link(name, NULL, class, ctx.qry.head,
 165                                curr_rev, fullpath);
 166         }
 167         htmlf("</td><td class='ls-size'>%li</td>", size);
 168
 169         html("<td>");
 170         cgit_log_link("log", NULL, "button", ctx.qry.head, curr_rev,
 171                       fullpath, 0, NULL, NULL, ctx.qry.showmsg);
 172         if (ctx.repo->max_stats)
 173                 cgit_stats_link("stats", NULL, "button", ctx.qry.head,
 174                                 fullpath);
 175         if (!S_ISGITLINK(mode))
 176                 cgit_plain_link("plain", NULL, "button", ctx.qry.head, curr_rev,
 177                                 fullpath);
 178         html("</td></tr>\n");
 179         free(name);
 180         return 0;
 181 }
 182
 183 static void ls_head()
 184 {
 185         html("<table summary='tree listing' class='list'>\n");
 186         html("<tr class='nohover'>");
 187         html("<th class='left'>Mode</th>");
 188         html("<th class='left'>Name</th>");
 189         html("<th class='right'>Size</th>");
 190         html("<th/>");
 191         html("</tr>\n");
 192         header = 1;
 193 }
 194
 195 static void ls_tail()
 196 {
 197         if (!header)
 198                 return;
 199         html("</table>\n");
 200         header = 0;
 201 }
 202
 203 static void ls_tree(const unsigned char *sha1, char *path)
 204 {
 205         struct tree *tree;
 206         struct pathspec paths = {
 207                 .nr = 0
 208         };
 209
 210         tree = parse_tree_indirect(sha1);
 211         if (!tree) {
 212                 cgit_print_error(fmt("Not a tree object: %s",
 213                                      sha1_to_hex(sha1)));
 214                 return;
 215         }
 216
 217         ls_head();
 218         read_tree_recursive(tree, "", 0, 1, &paths, ls_item, NULL);
 219         ls_tail();
 220 }
 221
 222
 223 static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
 224                      const char *pathname, unsigned mode, int stage,
 225                      void *cbdata)
 226 {
 227         static char buffer[PATH_MAX];
 228
 229         if (state == 0) {
 230                 memcpy(buffer, base, baselen);
 231                 strcpy(buffer + baselen, pathname);
 232                 if (strcmp(match_path, buffer))
 233                         return READ_TREE_RECURSIVE;
 234
 235                 if (S_ISDIR(mode)) {
 236                         state = 1;
 237                         ls_head();
 238                         return READ_TREE_RECURSIVE;
 239                 } else {
 240                         print_object(sha1, buffer, pathname, curr_rev);
 241                         return 0;
 242                 }
 243         }
 244         ls_item(sha1, base, baselen, pathname, mode, stage, NULL);
 245         return 0;
 246 }
 247
 248
 249 /*
 250  * Show a tree or a blob
 251  *   rev:  the commit pointing at the root tree object
 252  *   path: path to tree or blob
 253  */
 254 void cgit_print_tree(const char *rev, char *path)
 255 {
 256         unsigned char sha1[20];
 257         struct commit *commit;
 258         struct pathspec_item path_items = {
 259                 .match = path,
 260                 .len = path ? strlen(path) : 0
 261         };
 262         struct pathspec paths = {
 263                 .nr = path ? 1 : 0,
 264                 .items = &path_items
 265         };
 266
 267         if (!rev)
 268                 rev = ctx.qry.head;
 269
 270         curr_rev = xstrdup(rev);
 271         if (get_sha1(rev, sha1)) {
 272                 cgit_print_error(fmt("Invalid revision name: %s", rev));
 273                 return;
 274         }
 275         commit = lookup_commit_reference(sha1);
 276         if (!commit || parse_commit(commit)) {
 277                 cgit_print_error(fmt("Invalid commit reference: %s", rev));
 278                 return;
 279         }
 280
 281         if (path == NULL) {
 282                 ls_tree(commit->tree->object.sha1, NULL);
 283                 return;
 284         }
 285
 286         match_path = path;
 287         state = 0;
 288         read_tree_recursive(commit->tree, "", 0, 0, &paths, walk_tree, NULL);
 289         ls_tail();
 290 }