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 *tmp;
 143         int i;
 144
 145         if (!hex)
 146                 hex = cgit_query_head;
 147         curr_rev = hex;
 148
 149         if (get_sha1(hex, sha1)) {
 150                 cgit_print_error(fmt("Bad object id: %s", hex));
 151                 return;
 152         }
 153         commit = lookup_commit_reference(sha1);
 154         if (!commit) {
 155                 cgit_print_error(fmt("Bad commit reference: %s", hex));
 156                 return;
 157         }
 158         info = cgit_parse_commit(commit);
 159
 160         html("<table class='commit-info'>\n");
 161         html("<tr><th>author</th><td>");
 162         html_txt(info->author);
 163         html(" ");
 164         html_txt(info->author_email);
 165         html("</td><td class='right'>");
 166         cgit_print_date(info->author_date, FMT_LONGDATE);
 167         html("</td></tr>\n");
 168         html("<tr><th>committer</th><td>");
 169         html_txt(info->committer);
 170         html(" ");
 171         html_txt(info->committer_email);
 172         html("</td><td class='right'>");
 173         cgit_print_date(info->committer_date, FMT_LONGDATE);
 174         html("</td></tr>\n");
 175         html("<tr><th>tree</th><td colspan='2' class='sha1'>");
 176         tmp = xstrdup(hex);
 177         cgit_tree_link(sha1_to_hex(commit->tree->object.sha1), NULL, NULL,
 178                        cgit_query_head, tmp, NULL);
 179         html("</td></tr>\n");
 180         for (p = commit->parents; p ; p = p->next) {
 181                 parent = lookup_commit_reference(p->item->object.sha1);
 182                 if (!parent) {
 183                         html("<tr><td colspan='3'>");
 184                         cgit_print_error("Error reading parent commit");
 185                         html("</td></tr>");
 186                         continue;
 187                 }
 188                 html("<tr><th>parent</th>"
 189                      "<td colspan='2' class='sha1'>");
 190                 cgit_commit_link(sha1_to_hex(p->item->object.sha1), NULL, NULL,
 191                                  cgit_query_head, sha1_to_hex(p->item->object.sha1));
 192                 html(" (");
 193                 cgit_diff_link("diff", NULL, NULL, cgit_query_head, hex,
 194                                sha1_to_hex(p->item->object.sha1), NULL);
 195                 html(")</td></tr>");
 196         }
 197         if (cgit_repo->snapshots) {
 198                 html("<tr><th>download</th><td colspan='2' class='sha1'>");
 199                 cgit_print_snapshot_links(cgit_query_repo, cgit_query_head,
 200                                           hex, cgit_repo->snapshots);
 201                 html("</td></tr>");
 202         }
 203         html("</table>\n");
 204         html("<div class='commit-subject'>");
 205         html_txt(info->subject);
 206         html("</div>");
 207         html("<div class='commit-msg'>");
 208         html_txt(info->msg);
 209         html("</div>");
 210         if (!(commit->parents && commit->parents->next && commit->parents->next->next)) {
 211                 html("<div class='diffstat-header'>Diffstat</div>");
 212                 html("<table class='diffstat'>");
 213                 max_changes = 0;
 214                 cgit_diff_commit(commit, inspect_filepair);
 215                 for(i = 0; i<files; i++)
 216                         print_fileinfo(&items[i]);
 217                 html("</table>");
 218                 html("<div class='diffstat-summary'>");
 219                 htmlf("%d files changed, %d insertions, %d deletions (",
 220                       files, total_adds, total_rems);
 221                 cgit_diff_link("show diff", NULL, NULL, cgit_query_head, hex,
 222                                NULL, NULL);
 223                 html(")</div>");
 224         }
 225         cgit_free_commitinfo(info);
 226 }