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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 }