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("</table>\n");
  51 }
  52
  53
  54 static int ls_item(const unsigned char *sha1, const char *base, int baselen,
  55                    const char *pathname, unsigned int mode, int stage)
  56 {
  57         char *name;
  58         char *fullpath;
  59         enum object_type type;
  60         unsigned long size = 0;
  61         char *url, *qry;
  62
  63         name = xstrdup(pathname);
  64         fullpath = fmt("%s%s%s", cgit_query_path ? cgit_query_path : "",
  65                        cgit_query_path ? "/" : "", name);
  66
  67         type = sha1_object_info(sha1, &size);
  68         if (type == OBJ_BAD && !S_ISDIRLNK(mode)) {
  69                 htmlf("<tr><td colspan='3'>Bad object: %s %s</td></tr>",
  70                       name,
  71                       sha1_to_hex(sha1));
  72                 return 0;
  73         }
  74
  75         html("<tr><td class='ls-mode'>");
  76         html_filemode(mode);
  77         html("</td><td>");
  78         if (S_ISDIRLNK(mode)) {
  79                 htmlf("<a class='ls-mod' href='");
  80                 html_attr(fmt(cgit_repo->module_link,
  81                               name,
  82                               sha1_to_hex(sha1)));
  83                 html("'>");
  84                 html_txt(name);
  85                 html("</a>");
  86         } else if (S_ISDIR(mode)) {
  87                 cgit_tree_link(name, NULL, "ls-dir", cgit_query_head,
  88                                curr_rev, fullpath);
  89         } else {
  90                 cgit_tree_link(name, NULL, "ls-blob", cgit_query_head,
  91                                curr_rev, fullpath);
  92         }
  93         htmlf("</td><td class='ls-size'>%li</td>", size);
  94
  95         html("<td>");
  96         cgit_log_link("L", "Log", "button", cgit_query_head, curr_rev,
  97                       fullpath);
  98         html("</td></tr>\n");
  99         free(name);
 100         return 0;
 101 }
 102
 103 static void ls_head()
 104 {
 105         html("<table class='list'>\n");
 106         html("<tr class='nohover'>");
 107         html("<th class='left'>Mode</th>");
 108         html("<th class='left'>Name</th>");
 109         html("<th class='right'>Size</th>");
 110         html("<th/>");
 111         html("</tr>\n");
 112         header = 1;
 113 }
 114
 115 static void ls_tail()
 116 {
 117         if (!header)
 118                 return;
 119         html("</table>\n");
 120         header = 0;
 121 }
 122
 123 static void ls_tree(const unsigned char *sha1, char *path)
 124 {
 125         struct tree *tree;
 126
 127         tree = parse_tree_indirect(sha1);
 128         if (!tree) {
 129                 cgit_print_error(fmt("Not a tree object: %s",
 130                                      sha1_to_hex(sha1)));
 131                 return;
 132         }
 133
 134         ls_head();
 135         read_tree_recursive(tree, "", 0, 1, NULL, ls_item);
 136         ls_tail();
 137 }
 138
 139
 140 static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
 141                      const char *pathname, unsigned mode, int stage)
 142 {
 143         static int state;
 144         static char buffer[PATH_MAX];
 145         char *url;
 146
 147         if (state == 0) {
 148                 memcpy(buffer, base, baselen);
 149                 strcpy(buffer+baselen, pathname);
 150                 url = cgit_pageurl(cgit_query_repo, "tree",
 151                                    fmt("h=%s&amp;path=%s", curr_rev, buffer));
 152                 html("/");
 153                 cgit_tree_link(xstrdup(pathname), NULL, NULL, cgit_query_head,
 154                                curr_rev, buffer);
 155
 156                 if (strcmp(match_path, buffer))
 157                         return READ_TREE_RECURSIVE;
 158
 159                 if (S_ISDIR(mode)) {
 160                         state = 1;
 161                         ls_head();
 162                         return READ_TREE_RECURSIVE;
 163                 } else {
 164                         print_object(sha1, buffer);
 165                         return 0;
 166                 }
 167         }
 168         ls_item(sha1, base, baselen, pathname, mode, stage);
 169         return 0;
 170 }
 171
 172
 173 /*
 174  * Show a tree or a blob
 175  *   rev:  the commit pointing at the root tree object
 176  *   path: path to tree or blob
 177  */
 178 void cgit_print_tree(const char *rev, char *path)
 179 {
 180         unsigned char sha1[20];
 181         struct commit *commit;
 182         const char *paths[] = {path, NULL};
 183
 184         if (!rev)
 185                 rev = cgit_query_head;
 186
 187         curr_rev = xstrdup(rev);
 188         if (get_sha1(rev, sha1)) {
 189                 cgit_print_error(fmt("Invalid revision name: %s", rev));
 190                 return;
 191         }
 192         commit = lookup_commit_reference(sha1);
 193         if (!commit || parse_commit(commit)) {
 194                 cgit_print_error(fmt("Invalid commit reference: %s", rev));
 195                 return;
 196         }
 197
 198         html("path: <a href='");
 199         html_attr(cgit_pageurl(cgit_query_repo, "tree", fmt("h=%s", rev)));
 200         html("'>root</a>");
 201
 202         if (path == NULL) {
 203                 ls_tree(commit->tree->object.sha1, NULL);
 204                 return;
 205         }
 206
 207         match_path = path;
 208         read_tree_recursive(commit->tree, NULL, 0, 0, paths, walk_tree);
 209         ls_tail();
 210 }