ui-commit.c (view raw)
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
11static int files, slots;
12static int total_adds, total_rems, max_changes;
13static int lines_added, lines_removed;
14
15static struct fileinfo {
16 char status;
17 unsigned char old_sha1[20];
18 unsigned char new_sha1[20];
19 unsigned short old_mode;
20 unsigned short new_mode;
21 char *old_path;
22 char *new_path;
23 unsigned int added;
24 unsigned int removed;
25} *items;
26
27
28void print_fileinfo(struct fileinfo *info)
29{
30 char *query, *query2;
31 char *class;
32 double width;
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 html_filemode(info->old_mode);
67 } else {
68 html_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 html_filemode(info->old_mode);
76 html("]</span>");
77 }
78 htmlf("</td><td class='%s'>", class);
79 query = fmt("id=%s&id2=%s&path=%s", sha1_to_hex(info->old_sha1),
80 sha1_to_hex(info->new_sha1), info->new_path);
81 html_link_open(cgit_pageurl(cgit_query_repo, "diff", query),
82 NULL, NULL);
83 if (info->status == DIFF_STATUS_COPIED ||
84 info->status == DIFF_STATUS_RENAMED) {
85 html_txt(info->new_path);
86 htmlf("</a> (%s from ", info->status == DIFF_STATUS_COPIED ?
87 "copied" : "renamed");
88 query2 = fmt("id=%s", sha1_to_hex(info->old_sha1));
89 html_link_open(cgit_pageurl(cgit_query_repo, "view", query2),
90 NULL, NULL);
91 html_txt(info->old_path);
92 html("</a>)");
93 } else {
94 html_txt(info->new_path);
95 html("</a>");
96 }
97 html("</td><td class='right'>");
98 htmlf("%d", info->added + info->removed);
99
100 html("</td><td class='graph'>");
101 width = (info->added + info->removed) * 100.0 / max_changes;
102 if (width < 0.1)
103 width = 0.1;
104 html_link_open(cgit_pageurl(cgit_query_repo, "diff", query),
105 NULL, NULL);
106 htmlf("<img src='/cgit/add.png' style='width: %.1f%%;'/>",
107 info->added * width / (info->added + info->removed));
108 htmlf("<img src='/cgit/del.png' style='width: %.1f%%;'/>",
109 info->removed * width / (info->added + info->removed));
110 html("</a></td></tr>\n");
111}
112
113void cgit_count_diff_lines(char *line, int len)
114{
115 if (line && (len > 0)) {
116 if (line[0] == '+')
117 lines_added++;
118 else if (line[0] == '-')
119 lines_removed++;
120 }
121}
122
123void inspect_filepair(struct diff_filepair *pair)
124{
125 files++;
126 lines_added = 0;
127 lines_removed = 0;
128 cgit_diff_files(pair->one->sha1, pair->two->sha1, cgit_count_diff_lines);
129 if (files >= slots) {
130 if (slots == 0)
131 slots = 4;
132 else
133 slots = slots * 2;
134 items = xrealloc(items, slots * sizeof(struct fileinfo));
135 }
136 items[files-1].status = pair->status;
137 hashcpy(items[files-1].old_sha1, pair->one->sha1);
138 hashcpy(items[files-1].new_sha1, pair->two->sha1);
139 items[files-1].old_mode = pair->one->mode;
140 items[files-1].new_mode = pair->two->mode;
141 items[files-1].old_path = xstrdup(pair->one->path);
142 items[files-1].new_path = xstrdup(pair->two->path);
143 items[files-1].added = lines_added;
144 items[files-1].removed = lines_removed;
145 if (lines_added + lines_removed > max_changes)
146 max_changes = lines_added + lines_removed;
147 total_adds += lines_added;
148 total_rems += lines_removed;
149}
150
151
152void cgit_print_commit(const char *hex)
153{
154 struct commit *commit, *parent;
155 struct commitinfo *info;
156 struct commit_list *p;
157 unsigned char sha1[20];
158 char *query;
159 char *filename;
160 int i;
161
162 if (get_sha1(hex, sha1)) {
163 cgit_print_error(fmt("Bad object id: %s", hex));
164 return;
165 }
166 commit = lookup_commit_reference(sha1);
167 if (!commit) {
168 cgit_print_error(fmt("Bad commit reference: %s", hex));
169 return;
170 }
171 info = cgit_parse_commit(commit);
172
173 html("<table class='commit-info'>\n");
174 html("<tr><th>author</th><td>");
175 html_txt(info->author);
176 html(" ");
177 html_txt(info->author_email);
178 html("</td><td class='right'>");
179 cgit_print_date(info->author_date);
180 html("</td></tr>\n");
181 html("<tr><th>committer</th><td>");
182 html_txt(info->committer);
183 html(" ");
184 html_txt(info->committer_email);
185 html("</td><td class='right'>");
186 cgit_print_date(info->committer_date);
187 html("</td></tr>\n");
188 html("<tr><th>tree</th><td colspan='2' class='sha1'><a href='");
189 query = fmt("h=%s&id=%s", sha1_to_hex(commit->object.sha1),
190 sha1_to_hex(commit->tree->object.sha1));
191 html_attr(cgit_pageurl(cgit_query_repo, "tree", query));
192 htmlf("'>%s</a></td></tr>\n", sha1_to_hex(commit->tree->object.sha1));
193 for (p = commit->parents; p ; p = p->next) {
194 parent = lookup_commit_reference(p->item->object.sha1);
195 if (!parent) {
196 html("<tr><td colspan='3'>");
197 cgit_print_error("Error reading parent commit");
198 html("</td></tr>");
199 continue;
200 }
201 html("<tr><th>parent</th>"
202 "<td colspan='2' class='sha1'>"
203 "<a href='");
204 query = fmt("id=%s", sha1_to_hex(p->item->object.sha1));
205 html_attr(cgit_pageurl(cgit_query_repo, "commit", query));
206 htmlf("'>%s</a> (<a href='",
207 sha1_to_hex(p->item->object.sha1));
208 query = fmt("id=%s&id2=%s", sha1_to_hex(parent->tree->object.sha1),
209 sha1_to_hex(commit->tree->object.sha1));
210 html_attr(cgit_pageurl(cgit_query_repo, "diff", query));
211 html("'>diff</a>)</td></tr>");
212 }
213 if (cgit_repo->snapshots) {
214 htmlf("<tr><th>download</th><td colspan='2' class='sha1'><a href='");
215 filename = fmt("%s-%s.zip", cgit_query_repo, hex);
216 html_attr(cgit_pageurl(cgit_query_repo, "snapshot",
217 fmt("id=%s&name=%s", hex, filename)));
218 htmlf("'>%s</a></td></tr>", filename);
219 }
220 html("</table>\n");
221 html("<div class='commit-subject'>");
222 html_txt(info->subject);
223 html("</div>");
224 html("<div class='commit-msg'>");
225 html_txt(info->msg);
226 html("</div>");
227 if (!(commit->parents && commit->parents->next && commit->parents->next->next)) {
228 html("<table class='diffstat'>");
229 max_changes = 0;
230 cgit_diff_commit(commit, inspect_filepair);
231 for(i = 0; i<files; i++)
232 print_fileinfo(&items[i]);
233 html("</table>");
234 html("<div class='diffstat-summary'>");
235 htmlf("%d files changed, %d insertions, %d deletions\n",
236 files, total_adds, total_rems);
237 html("</div>");
238 }
239 cgit_free_commitinfo(info);
240}