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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#include "html.h"
 11
 12static int files, slots;
 13static int total_adds, total_rems, max_changes;
 14static int lines_added, lines_removed;
 15static char *curr_rev;
 16
 17static 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
 30void 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
 98void 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
108void 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
137void 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}