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 #include "html.h"
  11
  12 static int files, slots;
  13 static int total_adds, total_rems, max_changes;
  14 static int lines_added, lines_removed;
  15 static char *curr_rev;
  16
  17 static struct fileinfo {
  18         char status;
  19         unsigned char old_sha1[20];
  20         unsigned char new_sha1[20];
  21         unsigned short old_mode;
  22         unsigned short new_mode;
  23         char *old_path;
  24         char *new_path;
  25         unsigned int added;
  26         unsigned int removed;
  27 } *items;
  28
  29
  30 void print_fileinfo(struct fileinfo *info)
  31 {
  32         char *class;
  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                 cgit_print_filemode(info->old_mode);
  67         } else {
  68                 cgit_print_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                 cgit_print_filemode(info->old_mode);
  76                 html("]</span>");
  77         }
  78         htmlf("</td><td class='%s'>", class);
  79         cgit_diff_link(info->new_path, NULL, NULL, ctx.qry.head, curr_rev,
  80                        NULL, info->new_path);
  81         if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED)
  82                 htmlf(" (%s from %s)",
  83                       info->status == DIFF_STATUS_COPIED ? "copied" : "renamed",
  84                       info->old_path);
  85         html("</td><td class='right'>");
  86         htmlf("%d", info->added + info->removed);
  87         html("</td><td class='graph'>");
  88         htmlf("<table summary='file diffstat' width='%d%%'><tr>", (max_changes > 100 ? 100 : max_changes));
  89         htmlf("<td class='add' style='width: %.1f%%;'/>",
  90               info->added * 100.0 / max_changes);
  91         htmlf("<td class='rem' style='width: %.1f%%;'/>",
  92               info->removed * 100.0 / max_changes);
  93         htmlf("<td class='none' style='width: %.1f%%;'/>",
  94               (max_changes - info->removed - info->added) * 100.0 / max_changes);
  95         html("</tr></table></td></tr>\n");
  96 }
  97
  98 void cgit_count_diff_lines(char *line, int len)
  99 {
 100         if (line && (len > 0)) {
 101                 if (line[0] == '+')
 102                         lines_added++;
 103                 else if (line[0] == '-')
 104                         lines_removed++;
 105         }
 106 }
 107
 108 void inspect_filepair(struct diff_filepair *pair)
 109 {
 110         files++;
 111         lines_added = 0;
 112         lines_removed = 0;
 113         cgit_diff_files(pair->one->sha1, pair->two->sha1, cgit_count_diff_lines);
 114         if (files >= slots) {
 115                 if (slots == 0)
 116                         slots = 4;
 117                 else
 118                         slots = slots * 2;
 119                 items = xrealloc(items, slots * sizeof(struct fileinfo));
 120         }
 121         items[files-1].status = pair->status;
 122         hashcpy(items[files-1].old_sha1, pair->one->sha1);
 123         hashcpy(items[files-1].new_sha1, pair->two->sha1);
 124         items[files-1].old_mode = pair->one->mode;
 125         items[files-1].new_mode = pair->two->mode;
 126         items[files-1].old_path = xstrdup(pair->one->path);
 127         items[files-1].new_path = xstrdup(pair->two->path);
 128         items[files-1].added = lines_added;
 129         items[files-1].removed = lines_removed;
 130         if (lines_added + lines_removed > max_changes)
 131                 max_changes = lines_added + lines_removed;
 132         total_adds += lines_added;
 133         total_rems += lines_removed;
 134 }
 135
 136
 137 void cgit_print_commit(char *hex)
 138 {
 139         struct commit *commit, *parent;
 140         struct commitinfo *info;
 141         struct commit_list *p;
 142         unsigned char sha1[20];
 143         char *tmp;
 144         int i;
 145
 146         if (!hex)
 147                 hex = ctx.qry.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 summary='commit info' 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                        ctx.qry.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                                  ctx.qry.head, sha1_to_hex(p->item->object.sha1));
 193                 html(" (");
 194                 cgit_diff_link("diff", NULL, NULL, ctx.qry.head, hex,
 195                                sha1_to_hex(p->item->object.sha1), NULL);
 196                 html(")</td></tr>");
 197         }
 198         if (ctx.repo->snapshots) {
 199                 html("<tr><th>download</th><td colspan='2' class='sha1'>");
 200                 cgit_print_snapshot_links(ctx.qry.repo, ctx.qry.head,
 201                                           hex, ctx.repo->snapshots);
 202                 html("</td></tr>");
 203         }
 204         html("</table>\n");
 205         html("<div class='commit-subject'>");
 206         html_txt(info->subject);
 207         html("</div>");
 208         html("<div class='commit-msg'>");
 209         html_txt(info->msg);
 210         html("</div>");
 211         if (!(commit->parents && commit->parents->next && commit->parents->next->next)) {
 212                 html("<div class='diffstat-header'>Diffstat</div>");
 213                 html("<table summary='diffstat' class='diffstat'>");
 214                 max_changes = 0;
 215                 cgit_diff_commit(commit, inspect_filepair);
 216                 for(i = 0; i<files; i++)
 217                         print_fileinfo(&items[i]);
 218                 html("</table>");
 219                 html("<div class='diffstat-summary'>");
 220                 htmlf("%d files changed, %d insertions, %d deletions (",
 221                       files, total_adds, total_rems);
 222                 cgit_diff_link("show diff", NULL, NULL, ctx.qry.head, hex,
 223                                NULL, NULL);
 224                 html(")</div>");
 225         }
 226         cgit_free_commitinfo(info);
 227 }