ui-commit.c

   1 /* ui-commit.c: generate commit view
   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 static int files, slots;
  12 static int total_adds, total_rems, max_changes;
  13 static int lines_added, lines_removed;
  14
  15 static struct fileinfo {
  16         char status;
  17         unsigned char old_sha1[20];
  18         unsigned char new_sha1[20];
  19         unsigned short old_mode;
  20         unsigned short new_mode;
  21         char *old_path;
  22         char *new_path;
  23         unsigned int added;
  24         unsigned int removed;
  25 } *items;
  26
  27
  28 void print_fileinfo(struct fileinfo *info)
  29 {
  30         char *query, *query2;
  31         char *class;
  32         double width;
  33
  34         switch (info->status) {
  35         case DIFF_STATUS_ADDED:
  36                 class = "add";
  37                 break;
  38         case DIFF_STATUS_COPIED:
  39                 class = "cpy";
  40                 break;
  41         case DIFF_STATUS_DELETED:
  42                 class = "del";
  43                 break;
  44         case DIFF_STATUS_MODIFIED:
  45                 class = "upd";
  46                 break;
  47         case DIFF_STATUS_RENAMED:
  48                 class = "mov";
  49                 break;
  50         case DIFF_STATUS_TYPE_CHANGED:
  51                 class = "typ";
  52                 break;
  53         case DIFF_STATUS_UNKNOWN:
  54                 class = "unk";
  55                 break;
  56         case DIFF_STATUS_UNMERGED:
  57                 class = "stg";
  58                 break;
  59         default:
  60                 die("bug: unhandled diff status %c", info->status);
  61         }
  62
  63         html("<tr>");
  64         htmlf("<td class='mode'>");
  65         if (is_null_sha1(info->new_sha1)) {
  66                 html_filemode(info->old_mode);
  67         } else {
  68                 html_filemode(info->new_mode);
  69         }
  70
  71         if (info->old_mode != info->new_mode &&
  72             !is_null_sha1(info->old_sha1) &&
  73             !is_null_sha1(info->new_sha1)) {
  74                 html("<span class='modechange'>[");
  75                 html_filemode(info->old_mode);
  76                 html("]</span>");
  77         }
  78         htmlf("</td><td class='%s'>", class);
  79         query = fmt("id=%s&id2=%s&path=%s", sha1_to_hex(info->old_sha1),
  80                     sha1_to_hex(info->new_sha1), info->new_path);
  81         html_link_open(cgit_pageurl(cgit_query_repo, "diff", query),
  82                        NULL, NULL);
  83         if (info->status == DIFF_STATUS_COPIED ||
  84             info->status == DIFF_STATUS_RENAMED) {
  85                 html_txt(info->new_path);
  86                 htmlf("</a> (%s from ", info->status == DIFF_STATUS_COPIED ?
  87                       "copied" : "renamed");
  88                 query2 = fmt("id=%s", sha1_to_hex(info->old_sha1));
  89                 html_link_open(cgit_pageurl(cgit_query_repo, "view", query2),
  90                                NULL, NULL);
  91                 html_txt(info->old_path);
  92                 html("</a>)");
  93         } else {
  94                 html_txt(info->new_path);
  95                 html("</a>");
  96         }
  97         html("</td><td class='right'>");
  98         htmlf("%d", info->added + info->removed);
  99
 100         html("</td><td class='graph'>");
 101         width = (info->added + info->removed) * 100.0 / max_changes;
 102         if (width < 0.1)
 103                 width = 0.1;
 104         html_link_open(cgit_pageurl(cgit_query_repo, "diff", query),
 105                        NULL, NULL);
 106         htmlf("<img src='/cgit/add.png' style='width: %.1f%%;'/>",
 107               info->added * width / (info->added + info->removed));
 108         htmlf("<img src='/cgit/del.png' style='width: %.1f%%;'/>",
 109               info->removed * width / (info->added + info->removed));
 110         html("</a></td></tr>\n");
 111 }
 112
 113 void cgit_count_diff_lines(char *line, int len)
 114 {
 115         if (line && (len > 0)) {
 116                 if (line[0] == '+')
 117                         lines_added++;
 118                 else if (line[0] == '-')
 119                         lines_removed++;
 120         }
 121 }
 122
 123 void inspect_filepair(struct diff_filepair *pair)
 124 {
 125         files++;
 126         lines_added = 0;
 127         lines_removed = 0;
 128         cgit_diff_files(pair->one->sha1, pair->two->sha1, cgit_count_diff_lines);
 129         if (files >= slots) {
 130                 if (slots == 0)
 131                         slots = 4;
 132                 else
 133                         slots = slots * 2;
 134                 items = xrealloc(items, slots * sizeof(struct fileinfo));
 135         }
 136         items[files-1].status = pair->status;
 137         hashcpy(items[files-1].old_sha1, pair->one->sha1);
 138         hashcpy(items[files-1].new_sha1, pair->two->sha1);
 139         items[files-1].old_mode = pair->one->mode;
 140         items[files-1].new_mode = pair->two->mode;
 141         items[files-1].old_path = xstrdup(pair->one->path);
 142         items[files-1].new_path = xstrdup(pair->two->path);
 143         items[files-1].added = lines_added;
 144         items[files-1].removed = lines_removed;
 145         if (lines_added + lines_removed > max_changes)
 146                 max_changes = lines_added + lines_removed;
 147         total_adds += lines_added;
 148         total_rems += lines_removed;
 149 }
 150
 151
 152 void cgit_print_commit(const char *hex)
 153 {
 154         struct commit *commit, *parent;
 155         struct commitinfo *info;
 156         struct commit_list *p;
 157         unsigned char sha1[20];
 158         char *query;
 159         char *filename;
 160         int i;
 161
 162         if (get_sha1(hex, sha1)) {
 163                 cgit_print_error(fmt("Bad object id: %s", hex));
 164                 return;
 165         }
 166         commit = lookup_commit_reference(sha1);
 167         if (!commit) {
 168                 cgit_print_error(fmt("Bad commit reference: %s", hex));
 169                 return;
 170         }
 171         info = cgit_parse_commit(commit);
 172
 173         html("<table class='commit-info'>\n");
 174         html("<tr><th>author</th><td>");
 175         html_txt(info->author);
 176         html(" ");
 177         html_txt(info->author_email);
 178         html("</td><td class='right'>");
 179         cgit_print_date(info->author_date);
 180         html("</td></tr>\n");
 181         html("<tr><th>committer</th><td>");
 182         html_txt(info->committer);
 183         html(" ");
 184         html_txt(info->committer_email);
 185         html("</td><td class='right'>");
 186         cgit_print_date(info->committer_date);
 187         html("</td></tr>\n");
 188         html("<tr><th>tree</th><td colspan='2' class='sha1'><a href='");
 189         query = fmt("h=%s&id=%s", sha1_to_hex(commit->object.sha1),
 190                     sha1_to_hex(commit->tree->object.sha1));
 191         html_attr(cgit_pageurl(cgit_query_repo, "tree", query));
 192         htmlf("'>%s</a></td></tr>\n", sha1_to_hex(commit->tree->object.sha1));
 193         for (p = commit->parents; p ; p = p->next) {
 194                 parent = lookup_commit_reference(p->item->object.sha1);
 195                 if (!parent) {
 196                         html("<tr><td colspan='3'>");
 197                         cgit_print_error("Error reading parent commit");
 198                         html("</td></tr>");
 199                         continue;
 200                 }
 201                 html("<tr><th>parent</th>"
 202                      "<td colspan='2' class='sha1'>"
 203                      "<a href='");
 204                 query = fmt("id=%s", sha1_to_hex(p->item->object.sha1));
 205                 html_attr(cgit_pageurl(cgit_query_repo, "commit", query));
 206                 htmlf("'>%s</a> (<a href='",
 207                       sha1_to_hex(p->item->object.sha1));
 208                 query = fmt("id=%s&id2=%s", sha1_to_hex(parent->tree->object.sha1),
 209                             sha1_to_hex(commit->tree->object.sha1));
 210                 html_attr(cgit_pageurl(cgit_query_repo, "diff", query));
 211                 html("'>diff</a>)</td></tr>");
 212         }
 213         if (cgit_repo->snapshots) {
 214                 htmlf("<tr><th>download</th><td colspan='2' class='sha1'><a href='");
 215                 filename = fmt("%s-%s.zip", cgit_query_repo, hex);
 216                 html_attr(cgit_pageurl(cgit_query_repo, "snapshot",
 217                                        fmt("id=%s&name=%s", hex, filename)));
 218                 htmlf("'>%s</a></td></tr>", filename);
 219         }
 220         html("</table>\n");
 221         html("<div class='commit-subject'>");
 222         html_txt(info->subject);
 223         html("</div>");
 224         html("<div class='commit-msg'>");
 225         html_txt(info->msg);
 226         html("</div>");
 227         if (!(commit->parents && commit->parents->next && commit->parents->next->next)) {
 228                 html("<table class='diffstat'>");
 229                 max_changes = 0;
 230                 cgit_diff_commit(commit, inspect_filepair);
 231                 for(i = 0; i<files; i++)
 232                         print_fileinfo(&items[i]);
 233                 html("</table>");
 234                 html("<div class='diffstat-summary'>");
 235                 htmlf("%d files changed, %d insertions, %d deletions\n",
 236                       files, total_adds, total_rems);
 237                 html("</div>");
 238         }
 239         cgit_free_commitinfo(info);
 240 }