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 static char *curr_rev;
  15
  16 static struct fileinfo {
  17         char status;
  18         unsigned char old_sha1[20];
  19         unsigned char new_sha1[20];
  20         unsigned short old_mode;
  21         unsigned short new_mode;
  22         char *old_path;
  23         char *new_path;
  24         unsigned int added;
  25         unsigned int removed;
  26 } *items;
  27
  28
  29 void print_fileinfo(struct fileinfo *info)
  30 {
  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         cgit_tree_link(info->new_path, NULL, NULL, cgit_query_head, curr_rev,
  79                        info->new_path);
  80         if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED)
  81                 htmlf(" (%s from %s)",
  82                       info->status == DIFF_STATUS_COPIED ? "copied" : "renamed",
  83                       info->old_path);
  84         html("</td><td class='right'>");
  85         htmlf("%d", info->added + info->removed);
  86         html("</td><td class='graph'>");
  87         htmlf("<table width='%d%%'><tr>", (max_changes > 100 ? 100 : max_changes));
  88         htmlf("<td class='add' style='width: %.1f%%;'/>",
  89               info->added * 100.0 / max_changes);
  90         htmlf("<td class='rem' style='width: %.1f%%;'/>",
  91               info->removed * 100.0 / max_changes);
  92         htmlf("<td class='none' style='width: %.1f%%;'/>",
  93               (max_changes - info->removed - info->added) * 100.0 / max_changes);
  94         html("</tr></table></td></tr>\n");
  95 }
  96
  97 void cgit_count_diff_lines(char *line, int len)
  98 {
  99         if (line && (len > 0)) {
 100                 if (line[0] == '+')
 101                         lines_added++;
 102                 else if (line[0] == '-')
 103                         lines_removed++;
 104         }
 105 }
 106
 107 void inspect_filepair(struct diff_filepair *pair)
 108 {
 109         files++;
 110         lines_added = 0;
 111         lines_removed = 0;
 112         cgit_diff_files(pair->one->sha1, pair->two->sha1, cgit_count_diff_lines);
 113         if (files >= slots) {
 114                 if (slots == 0)
 115                         slots = 4;
 116                 else
 117                         slots = slots * 2;
 118                 items = xrealloc(items, slots * sizeof(struct fileinfo));
 119         }
 120         items[files-1].status = pair->status;
 121         hashcpy(items[files-1].old_sha1, pair->one->sha1);
 122         hashcpy(items[files-1].new_sha1, pair->two->sha1);
 123         items[files-1].old_mode = pair->one->mode;
 124         items[files-1].new_mode = pair->two->mode;
 125         items[files-1].old_path = xstrdup(pair->one->path);
 126         items[files-1].new_path = xstrdup(pair->two->path);
 127         items[files-1].added = lines_added;
 128         items[files-1].removed = lines_removed;
 129         if (lines_added + lines_removed > max_changes)
 130                 max_changes = lines_added + lines_removed;
 131         total_adds += lines_added;
 132         total_rems += lines_removed;
 133 }
 134
 135
 136 void cgit_print_commit(char *hex)
 137 {
 138         struct commit *commit, *parent;
 139         struct commitinfo *info;
 140         struct commit_list *p;
 141         unsigned char sha1[20];
 142         char *filename;
 143         char *tmp;
 144         int i;
 145
 146         if (!hex)
 147                 hex = cgit_query_head;
 148         curr_rev = hex;
 149
 150         if (get_sha1(hex, sha1)) {
 151                 cgit_print_error(fmt("Bad object id: %s", hex));
 152                 return;
 153         }
 154         commit = lookup_commit_reference(sha1);
 155         if (!commit) {
 156                 cgit_print_error(fmt("Bad commit reference: %s", hex));
 157                 return;
 158         }
 159         info = cgit_parse_commit(commit);
 160
 161         html("<table class='commit-info'>\n");
 162         html("<tr><th>author</th><td>");
 163         html_txt(info->author);
 164         html(" ");
 165         html_txt(info->author_email);
 166         html("</td><td class='right'>");
 167         cgit_print_date(info->author_date, FMT_LONGDATE);
 168         html("</td></tr>\n");
 169         html("<tr><th>committer</th><td>");
 170         html_txt(info->committer);
 171         html(" ");
 172         html_txt(info->committer_email);
 173         html("</td><td class='right'>");
 174         cgit_print_date(info->committer_date, FMT_LONGDATE);
 175         html("</td></tr>\n");
 176         html("<tr><th>tree</th><td colspan='2' class='sha1'>");
 177         tmp = xstrdup(hex);
 178         cgit_tree_link(sha1_to_hex(commit->tree->object.sha1), NULL, NULL,
 179                        cgit_query_head, tmp, NULL);
 180         html("</td></tr>\n");
 181         for (p = commit->parents; p ; p = p->next) {
 182                 parent = lookup_commit_reference(p->item->object.sha1);
 183                 if (!parent) {
 184                         html("<tr><td colspan='3'>");
 185                         cgit_print_error("Error reading parent commit");
 186                         html("</td></tr>");
 187                         continue;
 188                 }
 189                 html("<tr><th>parent</th>"
 190                      "<td colspan='2' class='sha1'>");
 191                 cgit_commit_link(sha1_to_hex(p->item->object.sha1), NULL, NULL,
 192                                  cgit_query_head, sha1_to_hex(p->item->object.sha1));
 193                 html(" (");
 194                 cgit_diff_link("diff", NULL, NULL, cgit_query_head, hex,
 195                                sha1_to_hex(p->item->object.sha1), NULL);
 196                 html(")</td></tr>");
 197         }
 198         if (cgit_repo->snapshots) {
 199                 htmlf("<tr><th>download</th><td colspan='2' class='sha1'><a href='");
 200                 filename = fmt("%s-%s.zip", cgit_query_repo, hex);
 201                 html_attr(cgit_pageurl(cgit_query_repo, "snapshot",
 202                                        fmt("id=%s&amp;name=%s", hex, filename)));
 203                 htmlf("'>%s</a></td></tr>", filename);
 204         }
 205         html("</table>\n");
 206         html("<div class='commit-subject'>");
 207         html_txt(info->subject);
 208         html("</div>");
 209         html("<div class='commit-msg'>");
 210         html_txt(info->msg);
 211         html("</div>");
 212         if (!(commit->parents && commit->parents->next && commit->parents->next->next)) {
 213                 html("<div class='diffstat-header'>Diffstat</div>");
 214                 html("<table class='diffstat'>");
 215                 max_changes = 0;
 216                 cgit_diff_commit(commit, inspect_filepair);
 217                 for(i = 0; i<files; i++)
 218                         print_fileinfo(&items[i]);
 219                 html("</table>");
 220                 html("<div class='diffstat-summary'>");
 221                 htmlf("%d files changed, %d insertions, %d deletions (",
 222                       files, total_adds, total_rems);
 223                 cgit_diff_link("show diff", NULL, NULL, cgit_query_head, hex,
 224                                NULL, NULL);
 225                 html(")</div>");
 226         }
 227         cgit_free_commitinfo(info);
 228 }