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pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } 
/* ui-diff.c: show diff between two blobs
 *
 * Copyright (C) 2006 Lars Hjemli
 *
 * Licensed under GNU General Public License v2
 *   (see COPYING for full license text)
 */

#include "cgit.h"


/*
 * print a single line returned from xdiff
 */
static void print_line(char *line, int len)
{
	char *class = "ctx";
	char c = line[len-1];

	if (line[0] == '+')
		class = "add";
	else if (line[0] == '-')
		class = "del";
	else if (line[0] == '@')
		class = "hunk";

	htmlf("<div class='%s'>", class);
	line[len-1] = '\0';
	html_txt(line);
	html("</div>");
	line[len-1] = c;
}

static void header(unsigned char *sha1, char *path1, int mode1,
		   unsigned char *sha2, char *path2, int mode2)
{
	char *abbrev1, *abbrev2;
	int subproject;

	subproject = (S_ISGITLINK(mode1) || S_ISGITLINK(mode2));
	html("<div class='head'>");
	html("diff --git a/");
	html_txt(path1);
	html(" b/");
	html_txt(path2);

	if (is_null_sha1(sha1))
		path1 = "dev/null";
	if (is_null_sha1(sha2))
		path2 = "dev/null";

	if (mode1 == 0)
		htmlf("<br/>new file mode %.6o", mode2);

	if (mode2 == 0)
		htmlf("<br/>deleted file mode %.6o", mode1);

	if (!subproject) {
		abbrev1 = xstrdup(find_unique_abbrev(sha1, DEFAULT_ABBREV));
		abbrev2 = xstrdup(find_unique_abbrev(sha2, DEFAULT_ABBREV));
		htmlf("<br/>index %s..%s", abbrev1, abbrev2);
		free(abbrev1);
		free(abbrev2);
		if (mode1 != 0 && mode2 != 0) {
			htmlf(" %.6o", mode1);
			if (mode2 != mode1)
				htmlf("..%.6o", mode2);
		}
		html("<br/>--- a/");
		html_txt(path1);
		html("<br/>+++ b/");
		html_txt(path2);
	}
	html("</div>");
}

static void filepair_cb(struct diff_filepair *pair)
{
	header(pair->one->
class="o">->one->mode, pair->two->sha1, pair->two->path, pair->two->mode); if (S_ISGITLINK(pair->one->mode) || S_ISGITLINK(pair->two->mode)) { if (S_ISGITLINK(pair->one->mode)) print_line(fmt("-Subproject %s", sha1_to_hex(pair->one->sha1)), 52); if (S_ISGITLINK(pair->two->mode)) print_line(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52); return; } if (cgit_diff_files(pair->one->sha1, pair->two->sha1, print_line)) cgit_print_error("Error running diff"); } void cgit_print_diff(const char *new_rev, const char *old_rev) { unsigned char sha1[20], sha2[20]; enum object_type type; unsigned long size; struct commit *commit, *commit2; if (!new_rev) new_rev = cgit_query_head; get_sha1(new_rev, sha1); type = sha1_object_info(sha1, &size); if (type == OBJ_BAD) { cgit_print_error(fmt("Bad object name: %s", new_rev)); return; } if (type != OBJ_COMMIT) { cgit_print_error(fmt("Unhandled object type: %s", typename(type))); return; } commit = lookup_commit_reference(sha1); if (!commit || parse_commit(commit)) cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(sha1))); if (old_rev) get_sha1(old_rev, sha2); else if (commit->parents && commit->parents->item) hashcpy(sha2, commit->parents->item->object.sha1); else hashclr(sha2); if (!is_null_sha1(sha2)) { type = sha1_object_info(sha2, &size); if (type == OBJ_BAD) { cgit_print_error(fmt("Bad object name: %s", sha1_to_hex(sha2))); return; } commit2 = lookup_commit_reference(sha2); if (!commit2 || parse_commit(commit2)) cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(sha2))); } html("<table class='diff'>"); html("<tr><td>"); cgit_diff_tree(sha2, sha1, filepair_cb); html("</td></tr>"); html("</table>"); }