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path: root/html.c
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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 } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
.highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
.highlight .na { color: #336699 } /* Name.Attribute */
.highlight .nb { color: #003388 } /* Name.Builtin */
.highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */
.highlight .no { color: #003366; font-weight: bold } /* Name.Constant */
.highlight .nd { color: #555555 } /* Name.Decorator */
.highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */
.highlight .nl { color: #336699; font-style: italic } /* Name.Label */
.highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */
.highlight .py { color: #336699; font-weight: bold } /* Name.Property */
.highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #336699 } /* Name.Variable */
.highlight .ow { color: #008800 } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */
.highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
.highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
.highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */
.highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
.highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */
.highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
.highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
.highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */
.highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */
.highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
.highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */
.highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */
.highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */
.highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */
.highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */
.highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */
.highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */
.highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */
.highlight .vc { color: #336699 } /* Name.Variable.Class */
.highlight .vg { color: #dd7700 } /* Name.Variable.Global */
.highlight .vi { color: #3333bb } /* Name.Variable.Instance */
.highlight .vm { color: #336699 } /* Name.Variable.Magic */
.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
#!/bin/sh

. ./setup.sh

prepare_tests "Check content on commit page"

run_test 'generate foo/commit' 'cgit_url "foo/commit" >trash/tmp'
run_test 'find tree link' 'grep -e "<a href=./foo/tree/.>" trash/tmp'
run_test 'find parent link' 'grep -E "<a href=./foo/commit/\?id=.+>" trash/tmp'

run_test 'find commit subject' '
	grep -e "<div class=.commit-subject.>commit 5<" trash/tmp
'

run_test 'find commit msg' 'grep -e "<div class=.commit-msg.></div>" trash/tmp'
run_test 'find diffstat' 'grep -e "<table summary=.diffstat. class=.diffstat.>" trash/tmp'

run_test 'find diff summary' '
	 grep -e "1 files changed, 1 insertions, 0 deletions" trash/tmp
'

run_test 'get root commit' '
	 root=$(cd trash/repos/foo && git rev-list --reverse HEAD | head -1) &&
	 cgit_url "foo/commit&id=$root" >trash/tmp &&
	 grep "</html>" trash/tmp
'

run_test 'root commit contains diffstat' '
	 grep "<a href=./foo/diff/file-1.id=[0-9a-f]\{40\}.>file-1</a>" trash/tmp
'

run_test 'root commit contains diff' '
	 grep ">diff --git a/file-1 b/file-1<" trash/tmp &&
	 grep -e "<div class=.add.>+1</div>" trash/tmp
'

tests_done
='n300' href='#n300'>300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333
/* html.c: helper functions for html output
 *
 * Copyright (C) 2006 Lars Hjemli
 *
 * Licensed under GNU General Public License v2
 *   (see COPYING for full license text)
 */

#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>

/* Percent-encoding of each character, except: a-zA-Z0-9!$()*,./:;@- */
static const char* url_escape_table[256] = {
	"%00", "%01", "%02", "%03", "%04", "%05", "%06", "%07", "%08", "%09",
	"%0a", "%0b", "%0c", "%0d", "%0e", "%0f", "%10", "%11", "%12", "%13",
	"%14", "%15", "%16", "%17", "%18", "%19", "%1a", "%1b", "%1c", "%1d",
	"%1e", "%1f", "%20", 0, "%22", "%23", 0, "%25", "%26", "%27", 0, 0, 0,
	"%2b", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "%3c", "%3d",
	"%3e", "%3f", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, "%5c", 0, "%5e", 0, "%60", 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "%7b",
	"%7c", "%7d", 0, "%7f", "%80", "%81", "%82", "%83", "%84", "%85",
	"%86", "%87", "%88", "%89", "%8a", "%8b", "%8c", "%8d", "%8e", "%8f",
	"%90", "%91", "%92", "%93", "%94", "%95", "%96", "%97", "%98", "%99",
	"%9a", "%9b", "%9c", "%9d", "%9e", "%9f", "%a0", "%a1", "%a2", "%a3",
	"%a4", "%a5", "%a6", "%a7", "%a8", "%a9", "%aa", "%ab", "%ac", "%ad",
	"%ae", "%af", "%b0", "%b1", "%b2", "%b3", "%b4", "%b5", "%b6", "%b7",
	"%b8", "%b9", "%ba", "%bb", "%bc", "%bd", "%be", "%bf", "%c0", "%c1",
	"%c2", "%c3", "%c4", "%c5", "%c6", "%c7", "%c8", "%c9", "%ca", "%cb",
	"%cc", "%cd", "%ce", "%cf", "%d0", "%d1", "%d2", "%d3", "%d4", "%d5",
	"%d6", "%d7", "%d8", "%d9", "%da", "%db", "%dc", "%dd", "%de", "%df",
	"%e0", "%e1", "%e2", "%e3", "%e4", "%e5", "%e6", "%e7", "%e8", "%e9",
	"%ea", "%eb", "%ec", "%ed", "%ee", "%ef", "%f0", "%f1", "%f2", "%f3",
	"%f4", "%f5", "%f6", "%f7", "%f8", "%f9", "%fa", "%fb", "%fc", "%fd",
	"%fe", "%ff"
};

int htmlfd = STDOUT_FILENO;

char *fmt(const char *format, ...)
{
	static char buf[8][1024];
	static int bufidx;
	int len;
	va_list args;

	bufidx++;
	bufidx &= 7;

	va_start(args, format);
	len = vsnprintf(buf[bufidx], sizeof(buf[bufidx]), format, args);
	va_end(args);
	if (len > sizeof(buf[bufidx])) {
		fprintf(stderr, "[html.c] string truncated: %s\n", format);
		exit(1);
	}
	return buf[bufidx];
}

void html_raw(const char *data, size_t size)
{
	write(htmlfd, data, size);
}

void html(const char *txt)
{
	write(htmlfd, txt, strlen(txt));
}

void htmlf(const char *format, ...)
{
	static char buf[65536];
	va_list args;

	va_start(args, format);
	vsnprintf(buf, sizeof(buf), format, args);
	va_end(args);
	html(buf);
}

void html_status(int code, const char *msg, int more_headers)
{
	htmlf("Status: %d %s\n", code, msg);
	if (!more_headers)
		html("\n");
}

void html_txt(const char *txt)
{
	const char *t = txt;
	while (t && *t) {
		int c = *t;
		if (c == '<' || c == '>' || c == '&') {
			html_raw(txt, t - txt);
			if (c == '>')
				html("&gt;");
			else if (c == '<')
				html("&lt;");
			else if (c == '&')
				html("&amp;");
			txt = t + 1;
		}
		t++;
	}
	if (t != txt)
		html(txt);
}

void html_ntxt(int len, const char *txt)
{
	const char *t = txt;
	while (t && *t && len--) {
		int c = *t;
		if (c == '<' || c == '>' || c == '&') {
			html_raw(txt, t - txt);
			if (c == '>')
				html("&gt;");
			else if (c == '<')
				html("&lt;");
			else if (c == '&')
				html("&amp;");
			txt = t + 1;
		}
		t++;
	}
	if (t != txt)
		html_raw(txt, t - txt);
	if (len < 0)
		html("...");
}

void html_attr(const char *txt)
{
	const char *t = txt;
	while (t && *t) {
		int c = *t;
		if (c == '<' || c == '>' || c == '\'' || c == '\"' || c == '&') {
			html_raw(txt, t - txt);
			if (c == '>')
				html("&gt;");
			else if (c == '<')
				html("&lt;");
			else if (c == '\'')
				html("&#x27;");
			else if (c == '"')
				html("&quot;");
			else if (c == '&')
				html("&amp;");
			txt = t + 1;
		}
		t++;
	}
	if (t != txt)
		html(txt);
}

void html_url_path(const char *txt)
{
	const char *t = txt;
	while (t && *t) {
		unsigned char c = *t;
		const char *e = url_escape_table[c];
		if (e && c != '+' && c != '&') {
			html_raw(txt, t - txt);
			html(e);
			txt = t + 1;
		}
		t++;
	}
	if (t != txt)
		html(txt);
}

void html_url_arg(const char *txt)
{
	const char *t = txt;
	while (t && *t) {
		unsigned char c = *t;
		const char *e = url_escape_table[c];
		if (c == ' ')
			e = "+";
		if (e) {
			html_raw(txt, t - txt);
			html(e);
			txt = t + 1;
		}
		t++;
	}
	if (t != txt)
		html(txt);
}

void html_hidden(const char *name, const char *value)
{
	html("<input type='hidden' name='");
	html_attr(name);
	html("' value='");
	html_attr(value);
	html("'/>");
}

void html_option(const char *value, const char *text, const char *selected_value)
{
	html("<option value='");
	html_attr(value);
	html("'");
	if (selected_value && !strcmp(selected_value, value))
		html(" selected='selected'");
	html(">");
	html_txt(text);
	html("</option>\n");
}

void html_intoption(int value, const char *text, int selected_value)
{
	htmlf("<option value='%d'%s>", value,
	      value == selected_value ? " selected='selected'" : "");
	html_txt(text);
	html("</option>");
}

void html_link_open(const char *url, const char *title, const char *class)
{
	html("<a href='");
	html_attr(url);
	if (title) {
		html("' title='");
		html_attr(title);
	}
	if (class) {
		html("' class='");
		html_attr(class);
	}
	html("'>");
}

void html_link_close(void)
{
	html("</a>");
}

void html_fileperm(unsigned short mode)
{
	htmlf("%c%c%c", (mode & 4 ? 'r' : '-'),
	      (mode & 2 ? 'w' : '-'), (mode & 1 ? 'x' : '-'));
}

int html_include(const char *filename)
{
	FILE *f;
	char buf[4096];
	size_t len;

	if (!(f = fopen(filename, "r"))) {
		fprintf(stderr, "[cgit] Failed to include file %s: %s (%d).\n",
			filename, strerror(errno), errno);
		return -1;
	}
	while ((len = fread(buf, 1, 4096, f)) > 0)
		html_raw(buf, len);
	fclose(f);
	return 0;
}

int hextoint(char c)
{
	if (c >= 'a' && c <= 'f')
		return 10 + c - 'a';
	else if (c >= 'A' && c <= 'F')
		return 10 + c - 'A';
	else if (c >= '0' && c <= '9')
		return c - '0';
	else
		return -1;
}

char *convert_query_hexchar(char *txt)
{
	int d1, d2, n;
	n = strlen(txt);
	if (n < 3) {
		*txt = '\0';
		return txt-1;
	}
	d1 = hextoint(*(txt + 1));
	d2 = hextoint(*(txt + 2));
	if (d1 < 0 || d2 < 0) {
		memmove(txt, txt + 3, n - 2);
		return txt-1;
	} else {
		*txt = d1 * 16 + d2;
		memmove(txt + 1, txt + 3, n - 2);
		return txt;
	}
}

int http_parse_querystring(const char *txt_, void (*fn)(const char *name, const char *value))
{
	char *o, *t, *txt, *value = NULL, c;

	if (!txt_)
		return 0;

	o = t = txt = strdup(txt_);
	if (t == NULL) {
		printf("Out of memory\n");
		exit(1);
	}
	while ((c=*t) != '\0') {
		if (c == '=') {
			*t = '\0';
			value = t + 1;
		} else if (c == '+') {
			*t = ' ';
		} else if (c == '%') {
			t = convert_query_hexchar(t);
		} else if (c == '&') {
			*t = '\0';
			(*fn)(txt, value);
			txt = t + 1;
			value = NULL;
		}
		t++;
	}
	if (t != txt)
		(*fn)(txt, value);
	free(o);
	return 0;
}