]> gitweb.ps.run Git - ps-cgit/blob - ui-diff.c
Simplify ui-diff.c using the new file-level diff interface
[ps-cgit] / ui-diff.c
1 /* ui-diff.c: show diff between two blobs
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
11
12 /*
13  * print a single line returned from xdiff
14  */
15 static void print_line(char *line, int len)
16 {
17         char *class = "ctx";
18         char c = line[len-1];
19
20         if (line[0] == '+')
21                 class = "add";
22         else if (line[0] == '-')
23                 class = "del";
24         else if (line[0] == '@')
25                 class = "hunk";
26
27         htmlf("<div class='%s'>", class);
28         line[len-1] = '\0';
29         html_txt(line);
30         html("</div>");
31         line[len-1] = c;
32 }
33
34 void cgit_print_diff(const char *old_hex, const char *new_hex)
35 {
36         unsigned char sha1[20], sha2[20];
37
38         get_sha1(old_hex, sha1);
39         get_sha1(new_hex, sha2);
40
41         html("<table class='diff'><tr><td>");
42         if (cgit_diff_files(sha1, sha2, print_line))
43                 cgit_print_error("Error running diff");
44         html("</td></tr></table>");
45 }