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
  33         switch (info->status) {
  34         case DIFF_STATUS_ADDED:
  35                 class = "add";
  36                 break;
  37         case DIFF_STATUS_COPIED:
  38                 class = "cpy";
  39                 break;
  40         case DIFF_STATUS_DELETED:
  41                 class = "del";
  42                 break;
  43         case DIFF_STATUS_MODIFIED:
  44                 class = "upd";
  45                 break;
  46         case DIFF_STATUS_RENAMED:
  47                 class = "mov";
  48                 break;
  49         case DIFF_STATUS_TYPE_CHANGED:
  50                 class = "typ";
  51                 break;
  52         case DIFF_STATUS_UNKNOWN:
  53                 class = "unk";
  54                 break;
  55         case DIFF_STATUS_UNMERGED:
  56                 class = "stg";
  57                 break;
  58         default:
  59                 die("bug: unhandled diff status %c", info->status);
  60         }
  61
  62         html("<tr>");
  63         htmlf("<td class='mode'>");
  64         if (is_null_sha1(info->new_sha1)) {
  65                 html_filemode(info->old_mode);
  66         } else {
  67                 html_filemode(info->new_mode);
  68         }
  69
  70         if (info->old_mode != info->new_mode &&
  71             !is_null_sha1(info->old_sha1) &&
  72             !is_null_sha1(info->new_sha1)) {
  73                 html("<span class='modechange'>[");
  74                 html_filemode(info->old_mode);
  75                 html("]</span>");
  76         }
  77         htmlf("</td><td class='%s'>", class);
  78         query = fmt("id=%s&amp;id2=%s&amp;path=%s", sha1_to_hex(info->old_sha1),
  79                     sha1_to_hex(info->new_sha1), info->new_path);
  80         html_link_open(cgit_pageurl(cgit_query_repo, "diff", query),
  81                        NULL, NULL);
  82         if (info->status == DIFF_STATUS_COPIED ||
  83             info->status == DIFF_STATUS_RENAMED) {
  84                 html_txt(info->new_path);
  85                 htmlf("</a> (%s from ", info->status == DIFF_STATUS_COPIED ?
  86                       "copied" : "renamed");
  87                 query2 = fmt("id=%s", sha1_to_hex(info->old_sha1));
  88                 html_link_open(cgit_pageurl(cgit_query_repo, "view", query2),
  89                                NULL, NULL);
  90                 html_txt(info->old_path);
  91                 html("</a>)");
  92         } else {
  93                 html_txt(info->new_path);
  94                 html("</a>");
  95         }
  96         html("</td><td class='right'>");
  97         htmlf("%d", info->added + info->removed);
  98         html("</td><td class='graph'>");
  99         htmlf("<table width='%d%%'><tr>", (max_changes > 100 ? 100 : max_changes));
 100         htmlf("<td class='add' style='width: %.1f%%;'/>",
 101               info->added * 100.0 / max_changes);
 102         htmlf("<td class='rem' style='width: %.1f%%;'/>",
 103               info->removed * 100.0 / max_changes);
 104         htmlf("<td class='none' style='width: %.1f%%;'/>",
 105               (max_changes - info->removed - info->added) * 100.0 / max_changes);
 106         html("</tr></table></td></tr>\n");
 107 }
 108
 109 void cgit_count_diff_lines(char *line, int len)
 110 {
 111         if (line && (len > 0)) {
 112                 if (line[0] == '+')
 113                         lines_added++;
 114                 else if (line[0] == '-')
 115                         lines_removed++;
 116         }
 117 }
 118
 119 void inspect_filepair(struct diff_filepair *pair)
 120 {
 121         files++;
 122         lines_added = 0;
 123         lines_removed = 0;
 124         cgit_diff_files(pair->one->sha1, pair->two->sha1, cgit_count_diff_lines);
 125         if (files >= slots) {
 126                 if (slots == 0)
 127                         slots = 4;
 128                 else
 129                         slots = slots * 2;
 130                 items = xrealloc(items, slots * sizeof(struct fileinfo));
 131         }
 132         items[files-1].status = pair->status;
 133         hashcpy(items[files-1].old_sha1, pair->one->sha1);
 134         hashcpy(items[files-1].new_sha1, pair->two->sha1);
 135         items[files-1].old_mode = pair->one->mode;
 136         items[files-1].new_mode = pair->two->mode;
 137         items[files-1].old_path = xstrdup(pair->one->path);
 138         items[files-1].new_path = xstrdup(pair->two->path);
 139         items[files-1].added = lines_added;
 140         items[files-1].removed = lines_removed;
 141         if (lines_added + lines_removed > max_changes)
 142                 max_changes = lines_added + lines_removed;
 143         total_adds += lines_added;
 144         total_rems += lines_removed;
 145 }
 146
 147
 148 void cgit_print_commit(const char *hex)
 149 {
 150         struct commit *commit, *parent;
 151         struct commitinfo *info;
 152         struct commit_list *p;
 153         unsigned char sha1[20];
 154         char *query;
 155         char *filename;
 156         char *tmp;
 157         int i;
 158
 159         if (get_sha1(hex, sha1)) {
 160                 cgit_print_error(fmt("Bad object id: %s", hex));
 161                 return;
 162         }
 163         commit = lookup_commit_reference(sha1);
 164         if (!commit) {
 165                 cgit_print_error(fmt("Bad commit reference: %s", hex));
 166                 return;
 167         }
 168         info = cgit_parse_commit(commit);
 169
 170         html("<table class='commit-info'>\n");
 171         html("<tr><th>author</th><td>");
 172         html_txt(info->author);
 173         html(" ");
 174         html_txt(info->author_email);
 175         html("</td><td class='right'>");
 176         cgit_print_date(info->author_date, FMT_LONGDATE);
 177         html("</td></tr>\n");
 178         html("<tr><th>committer</th><td>");
 179         html_txt(info->committer);
 180         html(" ");
 181         html_txt(info->committer_email);
 182         html("</td><td class='right'>");
 183         cgit_print_date(info->committer_date, FMT_LONGDATE);
 184         html("</td></tr>\n");
 185         html("<tr><th>tree</th><td colspan='2' class='sha1'>");
 186         tmp = xstrdup(hex);
 187         cgit_tree_link(sha1_to_hex(commit->tree->object.sha1), NULL, NULL,
 188                        cgit_query_head, tmp, NULL);
 189         html("</td></tr>\n");
 190         for (p = commit->parents; p ; p = p->next) {
 191                 parent = lookup_commit_reference(p->item->object.sha1);
 192                 if (!parent) {
 193                         html("<tr><td colspan='3'>");
 194                         cgit_print_error("Error reading parent commit");
 195                         html("</td></tr>");
 196                         continue;
 197                 }
 198                 html("<tr><th>parent</th>"
 199                      "<td colspan='2' class='sha1'>"
 200                      "<a href='");
 201                 query = fmt("h=%s", sha1_to_hex(p->item->object.sha1));
 202                 html_attr(cgit_pageurl(cgit_query_repo, "commit", query));
 203                 htmlf("'>%s</a> (<a href='",
 204                       sha1_to_hex(p->item->object.sha1));
 205                 query = fmt("id=%s&amp;id2=%s", sha1_to_hex(parent->tree->object.sha1),
 206                             sha1_to_hex(commit->tree->object.sha1));
 207                 html_attr(cgit_pageurl(cgit_query_repo, "diff", query));
 208                 html("'>diff</a>)</td></tr>");
 209         }
 210         if (cgit_repo->snapshots) {
 211                 htmlf("<tr><th>download</th><td colspan='2' class='sha1'><a href='");
 212                 filename = fmt("%s-%s.zip", cgit_query_repo, hex);
 213                 html_attr(cgit_pageurl(cgit_query_repo, "snapshot",
 214                                        fmt("id=%s&amp;name=%s", hex, filename)));
 215                 htmlf("'>%s</a></td></tr>", filename);
 216         }
 217         html("</table>\n");
 218         html("<div class='commit-subject'>");
 219         html_txt(info->subject);
 220         html("</div>");
 221         html("<div class='commit-msg'>");
 222         html_txt(info->msg);
 223         html("</div>");
 224         if (!(commit->parents && commit->parents->next && commit->parents->next->next)) {
 225                 html("<div class='diffstat-header'>Diffstat</div>");
 226                 html("<table class='diffstat'>");
 227                 max_changes = 0;
 228                 cgit_diff_commit(commit, inspect_filepair);
 229                 for(i = 0; i<files; i++)
 230                         print_fileinfo(&items[i]);
 231                 html("</table>");
 232                 html("<div class='diffstat-summary'>");
 233                 htmlf("%d files changed, %d insertions, %d deletions (",
 234                       files, total_adds, total_rems);
 235                 query = fmt("h=%s", hex);
 236                 html_link_open(cgit_pageurl(cgit_query_repo, "diff", query), NULL, NULL);
 237                 html("show diff</a>)");
 238                 html("</div>");
 239         }
 240         cgit_free_commitinfo(info);
 241 }