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 "cgit.h"
  10
  11 char *curr_rev;
  12 char *match_path;
  13 int header = 0;
  14
  15 static void print_object(const unsigned char *sha1, char *path)
  16 {
  17         enum object_type type;
  18         unsigned char *buf;
  19         unsigned long size, lineno, start, idx;
  20
  21         type = sha1_object_info(sha1, &size);
  22         if (type == OBJ_BAD) {
  23                 cgit_print_error(fmt("Bad object name: %s",
  24                                      sha1_to_hex(sha1)));
  25                 return;
  26         }
  27
  28         buf = read_sha1_file(sha1, &type, &size);
  29         if (!buf) {
  30                 cgit_print_error(fmt("Error reading object %s",
  31                                      sha1_to_hex(sha1)));
  32                 return;
  33         }
  34
  35         html("<table class='blob'>\n");
  36         idx = 0;
  37         start = 0;
  38         lineno = 0;
  39         while(idx < size) {
  40                 if (buf[idx] == '\n') {
  41                         buf[idx] = '\0';
  42                         htmlf("<tr><td class='no'>%d</td><td class='txt'>",
  43                               ++lineno);
  44                         html_txt(buf + start);
  45                         html("</td></tr>\n");
  46                         start = idx + 1;
  47                 }
  48                 idx++;
  49         }
  50         html("\n</td></tr>\n");
  51         html("</table>\n");
  52 }
  53
  54
  55 static int ls_item(const unsigned char *sha1, const char *base, int baselen,
  56                    const char *pathname, unsigned int mode, int stage)
  57 {
  58         char *name;
  59         enum object_type type;
  60         unsigned long size = 0;
  61         char *url, *qry;
  62
  63         name = xstrdup(pathname);
  64         type = sha1_object_info(sha1, &size);
  65         if (type == OBJ_BAD && !S_ISDIRLNK(mode)) {
  66                 htmlf("<tr><td colspan='3'>Bad object: %s %s</td></tr>",
  67                       name,
  68                       sha1_to_hex(sha1));
  69                 return 0;
  70         }
  71         qry = fmt("h=%s&amp;path=%s%s%s", curr_rev,
  72                   cgit_query_path ? cgit_query_path : "",
  73                   cgit_query_path ? "/" : "", pathname);
  74         url = cgit_pageurl(cgit_query_repo, "tree", qry);
  75         html("<tr><td class='filemode'>");
  76         html_filemode(mode);
  77         html("</td><td ");
  78         if (S_ISDIRLNK(mode)) {
  79                 htmlf("class='ls-mod'><a href='");
  80                 html_attr(fmt(cgit_repo->module_link,
  81                               name,
  82                               sha1_to_hex(sha1)));
  83         } else if (S_ISDIR(mode)) {
  84                 html("class='ls-dir'><a href='");
  85                 html_attr(url);
  86         } else {
  87                 html("class='ls-blob'><a href='");
  88                 html_attr(url);
  89         }
  90         htmlf("'>%s</a></td>", name);
  91         htmlf("<td class='filesize'>%li</td>", size);
  92
  93         html("<td class='links'><a href='");
  94         qry = fmt("h=%s&amp;path=%s%s%s", curr_rev,
  95                   cgit_query_path ? cgit_query_path : "",
  96                   cgit_query_path ? "/" : "", pathname);
  97         url = cgit_pageurl(cgit_query_repo, "log", qry);
  98         html_attr(url);
  99         html("' class='button'>H</a></td>");
 100         html("</tr>\n");
 101         free(name);
 102         return 0;
 103 }
 104
 105 static void ls_head()
 106 {
 107         html("<table class='list'>\n");
 108         html("<tr class='nohover'>");
 109         html("<th class='left'>Mode</th>");
 110         html("<th class='left'>Name</th>");
 111         html("<th class='right'>Size</th>");
 112         html("<th/>");
 113         html("</tr>\n");
 114         header = 1;
 115 }
 116
 117 static void ls_tail()
 118 {
 119         if (!header)
 120                 return;
 121         html("</table>\n");
 122         header = 0;
 123 }
 124
 125 static void ls_tree(const unsigned char *sha1, char *path)
 126 {
 127         struct tree *tree;
 128
 129         tree = parse_tree_indirect(sha1);
 130         if (!tree) {
 131                 cgit_print_error(fmt("Not a tree object: %s",
 132                                      sha1_to_hex(sha1)));
 133                 return;
 134         }
 135
 136         ls_head();
 137         read_tree_recursive(tree, "", 0, 1, NULL, ls_item);
 138         ls_tail();
 139 }
 140
 141
 142 static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
 143                      const char *pathname, unsigned mode, int stage)
 144 {
 145         static int state;
 146         static char buffer[PATH_MAX];
 147         char *url;
 148
 149         if (state == 0) {
 150                 memcpy(buffer, base, baselen);
 151                 strcpy(buffer+baselen, pathname);
 152                 url = cgit_pageurl(cgit_query_repo, "tree",
 153                                    fmt("h=%s&amp;path=%s", curr_rev, buffer));
 154                 htmlf(" / <a href='");
 155                 html_attr(url);
 156                 html("'>");
 157                 html_txt(xstrdup(pathname));
 158                 html("</a>");
 159
 160                 if (strcmp(match_path, buffer))
 161                         return READ_TREE_RECURSIVE;
 162
 163                 if (S_ISDIR(mode)) {
 164                         state = 1;
 165                         ls_head();
 166                         return READ_TREE_RECURSIVE;
 167                 } else {
 168                         print_object(sha1, buffer);
 169                         return 0;
 170                 }
 171         }
 172         ls_item(sha1, base, baselen, pathname, mode, stage);
 173         return 0;
 174 }
 175
 176
 177 /*
 178  * Show a tree or a blob
 179  *   rev:  the commit pointing at the root tree object
 180  *   path: path to tree or blob
 181  */
 182 void cgit_print_tree(const char *rev, char *path)
 183 {
 184         unsigned char sha1[20];
 185         struct commit *commit;
 186         const char *paths[] = {path, NULL};
 187
 188         if (!rev)
 189                 rev = cgit_query_head;
 190
 191         curr_rev = xstrdup(rev);
 192         if (get_sha1(rev, sha1)) {
 193                 cgit_print_error(fmt("Invalid revision name: %s", rev));
 194                 return;
 195         }
 196         commit = lookup_commit_reference(sha1);
 197         if (!commit || parse_commit(commit)) {
 198                 cgit_print_error(fmt("Invalid commit reference: %s", rev));
 199                 return;
 200         }
 201
 202         html("path: <a href='");
 203         html_attr(cgit_pageurl(cgit_query_repo, "tree", fmt("h=%s", rev)));
 204         html("'>root</a>");
 205
 206         if (path == NULL) {
 207                 ls_tree(commit->tree->object.sha1, NULL);
 208                 return;
 209         }
 210
 211         match_path = path;
 212         read_tree_recursive(commit->tree, NULL, 0, 0, paths, walk_tree);
 213         ls_tail();
 214 }