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         enum object_type type;
  59         unsigned long size = 0;
  60         char *url, *qry;
  61
  62         name = xstrdup(pathname);
  63         type = sha1_object_info(sha1, &size);
  64         if (type == OBJ_BAD && !S_ISDIRLNK(mode)) {
  65                 htmlf("<tr><td colspan='3'>Bad object: %s %s</td></tr>",
  66                       name,
  67                       sha1_to_hex(sha1));
  68                 return 0;
  69         }
  70         qry = fmt("h=%s&amp;path=%s%s%s", curr_rev,
  71                   cgit_query_path ? cgit_query_path : "",
  72                   cgit_query_path ? "/" : "", pathname);
  73         url = cgit_pageurl(cgit_query_repo, "tree", qry);
  74         html("<tr><td class='filemode'>");
  75         html_filemode(mode);
  76         html("</td><td ");
  77         if (S_ISDIRLNK(mode)) {
  78                 htmlf("class='ls-mod'><a href='");
  79                 html_attr(fmt(cgit_repo->module_link,
  80                               name,
  81                               sha1_to_hex(sha1)));
  82         } else if (S_ISDIR(mode)) {
  83                 html("class='ls-dir'><a href='");
  84                 html_attr(url);
  85         } else {
  86                 html("class='ls-blob'><a href='");
  87                 html_attr(url);
  88         }
  89         htmlf("'>%s</a></td>", name);
  90         htmlf("<td class='filesize'>%li</td>", size);
  91
  92         html("<td class='links'><a href='");
  93         qry = fmt("h=%s&amp;path=%s%s%s", curr_rev,
  94                   cgit_query_path ? cgit_query_path : "",
  95                   cgit_query_path ? "/" : "", pathname);
  96         url = cgit_pageurl(cgit_query_repo, "log", qry);
  97         html_attr(url);
  98         html("' class='button'>H</a></td>");
  99         html("</tr>\n");
 100         free(name);
 101         return 0;
 102 }
 103
 104 static void ls_head()
 105 {
 106         html("<table class='list'>\n");
 107         html("<tr class='nohover'>");
 108         html("<th class='left'>Mode</th>");
 109         html("<th class='left'>Name</th>");
 110         html("<th class='right'>Size</th>");
 111         html("<th/>");
 112         html("</tr>\n");
 113         header = 1;
 114 }
 115
 116 static void ls_tail()
 117 {
 118         if (!header)
 119                 return;
 120         html("</table>\n");
 121         header = 0;
 122 }
 123
 124 static void ls_tree(const unsigned char *sha1, char *path)
 125 {
 126         struct tree *tree;
 127
 128         tree = parse_tree_indirect(sha1);
 129         if (!tree) {
 130                 cgit_print_error(fmt("Not a tree object: %s",
 131                                      sha1_to_hex(sha1)));
 132                 return;
 133         }
 134
 135         ls_head();
 136         read_tree_recursive(tree, "", 0, 1, NULL, ls_item);
 137         ls_tail();
 138 }
 139
 140
 141 static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
 142                      const char *pathname, unsigned mode, int stage)
 143 {
 144         static int state;
 145         static char buffer[PATH_MAX];
 146         char *url;
 147
 148         if (state == 0) {
 149                 memcpy(buffer, base, baselen);
 150                 strcpy(buffer+baselen, pathname);
 151                 url = cgit_pageurl(cgit_query_repo, "tree",
 152                                    fmt("h=%s&amp;path=%s", curr_rev, buffer));
 153                 htmlf(" / <a href='");
 154                 html_attr(url);
 155                 html("'>");
 156                 html_txt(xstrdup(pathname));
 157                 html("</a>");
 158
 159                 if (strcmp(match_path, buffer))
 160                         return READ_TREE_RECURSIVE;
 161
 162                 if (S_ISDIR(mode)) {
 163                         state = 1;
 164                         ls_head();
 165                         return READ_TREE_RECURSIVE;
 166                 } else {
 167                         print_object(sha1, buffer);
 168                         return 0;
 169                 }
 170         }
 171         ls_item(sha1, base, baselen, pathname, mode, stage);
 172         return 0;
 173 }
 174
 175
 176 /*
 177  * Show a tree or a blob
 178  *   rev:  the commit pointing at the root tree object
 179  *   path: path to tree or blob
 180  */
 181 void cgit_print_tree(const char *rev, char *path)
 182 {
 183         unsigned char sha1[20];
 184         struct commit *commit;
 185         const char *paths[] = {path, NULL};
 186
 187         if (!rev)
 188                 rev = cgit_query_head;
 189
 190         curr_rev = xstrdup(rev);
 191         if (get_sha1(rev, sha1)) {
 192                 cgit_print_error(fmt("Invalid revision name: %s", rev));
 193                 return;
 194         }
 195         commit = lookup_commit_reference(sha1);
 196         if (!commit || parse_commit(commit)) {
 197                 cgit_print_error(fmt("Invalid commit reference: %s", rev));
 198                 return;
 199         }
 200
 201         html("path: <a href='");
 202         html_attr(cgit_pageurl(cgit_query_repo, "tree", fmt("h=%s", rev)));
 203         html("'>root</a>");
 204
 205         if (path == NULL) {
 206                 ls_tree(commit->tree->object.sha1, NULL);
 207                 return;
 208         }
 209
 210         match_path = path;
 211         read_tree_recursive(commit->tree, NULL, 0, 0, paths, walk_tree);
 212         ls_tail();
 213 }