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