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 #include "ui-shared.h"
  12 #include "ui-diff.h"
  13
  14 static int files, slots;
  15 static int total_adds, total_rems, max_changes;
  16 static int lines_added, lines_removed;
  17 static char *curr_rev;
  18
  19 static struct fileinfo {
  20         char status;
  21         unsigned char old_sha1[20];
  22         unsigned char new_sha1[20];
  23         unsigned short old_mode;
  24         unsigned short new_mode;
  25         char *old_path;
  26         char *new_path;
  27         unsigned int added;
  28         unsigned int removed;
  29 } *items;
  30
  31
  32 void print_fileinfo(struct fileinfo *info)
  33 {
  34         char *class;
  35
  36         switch (info->status) {
  37         case DIFF_STATUS_ADDED:
  38                 class = "add";
  39                 break;
  40         case DIFF_STATUS_COPIED:
  41                 class = "cpy";
  42                 break;
  43         case DIFF_STATUS_DELETED:
  44                 class = "del";
  45                 break;
  46         case DIFF_STATUS_MODIFIED:
  47                 class = "upd";
  48                 break;
  49         case DIFF_STATUS_RENAMED:
  50                 class = "mov";
  51                 break;
  52         case DIFF_STATUS_TYPE_CHANGED:
  53                 class = "typ";
  54                 break;
  55         case DIFF_STATUS_UNKNOWN:
  56                 class = "unk";
  57                 break;
  58         case DIFF_STATUS_UNMERGED:
  59                 class = "stg";
  60                 break;
  61         default:
  62                 die("bug: unhandled diff status %c", info->status);
  63         }
  64
  65         html("<tr>");
  66         htmlf("<td class='mode'>");
  67         if (is_null_sha1(info->new_sha1)) {
  68                 cgit_print_filemode(info->old_mode);
  69         } else {
  70                 cgit_print_filemode(info->new_mode);
  71         }
  72
  73         if (info->old_mode != info->new_mode &&
  74             !is_null_sha1(info->old_sha1) &&
  75             !is_null_sha1(info->new_sha1)) {
  76                 html("<span class='modechange'>[");
  77                 cgit_print_filemode(info->old_mode);
  78                 html("]</span>");
  79         }
  80         htmlf("</td><td class='%s'>", class);
  81         cgit_diff_link(info->new_path, NULL, NULL, ctx.qry.head, curr_rev,
  82                        NULL, info->new_path);
  83         if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED)
  84                 htmlf(" (%s from %s)",
  85                       info->status == DIFF_STATUS_COPIED ? "copied" : "renamed",
  86                       info->old_path);
  87         html("</td><td class='right'>");
  88         htmlf("%d", info->added + info->removed);
  89         html("</td><td class='graph'>");
  90         htmlf("<table summary='file diffstat' width='%d%%'><tr>", (max_changes > 100 ? 100 : max_changes));
  91         htmlf("<td class='add' style='width: %.1f%%;'/>",
  92               info->added * 100.0 / max_changes);
  93         htmlf("<td class='rem' style='width: %.1f%%;'/>",
  94               info->removed * 100.0 / max_changes);
  95         htmlf("<td class='none' style='width: %.1f%%;'/>",
  96               (max_changes - info->removed - info->added) * 100.0 / max_changes);
  97         html("</tr></table></td></tr>\n");
  98 }
  99
 100 void cgit_count_diff_lines(char *line, int len)
 101 {
 102         if (line && (len > 0)) {
 103                 if (line[0] == '+')
 104                         lines_added++;
 105                 else if (line[0] == '-')
 106                         lines_removed++;
 107         }
 108 }
 109
 110 void inspect_filepair(struct diff_filepair *pair)
 111 {
 112         files++;
 113         lines_added = 0;
 114         lines_removed = 0;
 115         cgit_diff_files(pair->one->sha1, pair->two->sha1, cgit_count_diff_lines);
 116         if (files >= slots) {
 117                 if (slots == 0)
 118                         slots = 4;
 119                 else
 120                         slots = slots * 2;
 121                 items = xrealloc(items, slots * sizeof(struct fileinfo));
 122         }
 123         items[files-1].status = pair->status;
 124         hashcpy(items[files-1].old_sha1, pair->one->sha1);
 125         hashcpy(items[files-1].new_sha1, pair->two->sha1);
 126         items[files-1].old_mode = pair->one->mode;
 127         items[files-1].new_mode = pair->two->mode;
 128         items[files-1].old_path = xstrdup(pair->one->path);
 129         items[files-1].new_path = xstrdup(pair->two->path);
 130         items[files-1].added = lines_added;
 131         items[files-1].removed = lines_removed;
 132         if (lines_added + lines_removed > max_changes)
 133                 max_changes = lines_added + lines_removed;
 134         total_adds += lines_added;
 135         total_rems += lines_removed;
 136 }
 137
 138
 139 void cgit_print_commit(char *hex)
 140 {
 141         struct commit *commit, *parent;
 142         struct commitinfo *info;
 143         struct commit_list *p;
 144         unsigned char sha1[20];
 145         char *tmp;
 146         int i;
 147
 148         if (!hex)
 149                 hex = ctx.qry.head;
 150         curr_rev = hex;
 151
 152         if (get_sha1(hex, sha1)) {
 153                 cgit_print_error(fmt("Bad object id: %s", hex));
 154                 return;
 155         }
 156         commit = lookup_commit_reference(sha1);
 157         if (!commit) {
 158                 cgit_print_error(fmt("Bad commit reference: %s", hex));
 159                 return;
 160         }
 161         info = cgit_parse_commit(commit);
 162
 163         html("<table summary='commit info' class='commit-info'>\n");
 164         html("<tr><th>author</th><td>");
 165         html_txt(info->author);
 166         html(" ");
 167         html_txt(info->author_email);
 168         html("</td><td class='right'>");
 169         cgit_print_date(info->author_date, FMT_LONGDATE);
 170         html("</td></tr>\n");
 171         html("<tr><th>committer</th><td>");
 172         html_txt(info->committer);
 173         html(" ");
 174         html_txt(info->committer_email);
 175         html("</td><td class='right'>");
 176         cgit_print_date(info->committer_date, FMT_LONGDATE);
 177         html("</td></tr>\n");
 178         html("<tr><th>tree</th><td colspan='2' class='sha1'>");
 179         tmp = xstrdup(hex);
 180         cgit_tree_link(sha1_to_hex(commit->tree->object.sha1), NULL, NULL,
 181                        ctx.qry.head, tmp, NULL);
 182         html("</td></tr>\n");
 183         for (p = commit->parents; p ; p = p->next) {
 184                 parent = lookup_commit_reference(p->item->object.sha1);
 185                 if (!parent) {
 186                         html("<tr><td colspan='3'>");
 187                         cgit_print_error("Error reading parent commit");
 188                         html("</td></tr>");
 189                         continue;
 190                 }
 191                 html("<tr><th>parent</th>"
 192                      "<td colspan='2' class='sha1'>");
 193                 cgit_commit_link(sha1_to_hex(p->item->object.sha1), NULL, NULL,
 194                                  ctx.qry.head, sha1_to_hex(p->item->object.sha1));
 195                 html(" (");
 196                 cgit_diff_link("diff", NULL, NULL, ctx.qry.head, hex,
 197                                sha1_to_hex(p->item->object.sha1), NULL);
 198                 html(")</td></tr>");
 199         }
 200         if (ctx.repo->snapshots) {
 201                 html("<tr><th>download</th><td colspan='2' class='sha1'>");
 202                 cgit_print_snapshot_links(ctx.qry.repo, ctx.qry.head,
 203                                           hex, ctx.repo->snapshots);
 204                 html("</td></tr>");
 205         }
 206         html("</table>\n");
 207         html("<div class='commit-subject'>");
 208         html_txt(info->subject);
 209         html("</div>");
 210         html("<div class='commit-msg'>");
 211         html_txt(info->msg);
 212         html("</div>");
 213         if (!(commit->parents && commit->parents->next && commit->parents->next->next)) {
 214                 html("<div class='diffstat-header'>Diffstat</div>");
 215                 html("<table summary='diffstat' class='diffstat'>");
 216                 max_changes = 0;
 217                 cgit_diff_commit(commit, inspect_filepair);
 218                 for(i = 0; i<files; i++)
 219                         print_fileinfo(&items[i]);
 220                 html("</table>");
 221                 html("<div class='diffstat-summary'>");
 222                 htmlf("%d files changed, %d insertions, %d deletions",
 223                       files, total_adds, total_rems);
 224                 cgit_print_diff(ctx.qry.sha1,
 225                                 sha1_to_hex(commit->parents->item->object.sha1),
 226                                 NULL);
 227                 html(")</div>");
 228         }
 229         cgit_free_commitinfo(info);
 230 }