X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/0d169ada2ba81210ab1191a5f2212662e90db77e..f135569b2be3fb1816f802f9a162b3743b735d1c:/html.c

diff --git a/html.c b/html.c
index 5780dc1..937b5e7 100644
--- a/html.c
+++ b/html.c
@@ -1,4 +1,18 @@
-#include "cgit.h"
+/* 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>
+
+int htmlfd = STDOUT_FILENO;
 
 char *fmt(const char *format, ...)
 {
@@ -13,34 +27,36 @@ char *fmt(const char *format, ...)
 	va_start(args, format);
 	len = vsnprintf(buf[bufidx], sizeof(buf[bufidx]), format, args);
 	va_end(args);
-	if (len>sizeof(buf[bufidx]))
-		die("[html.c] string truncated: %s", format);
+	if (len>sizeof(buf[bufidx])) {
+		fprintf(stderr, "[html.c] string truncated: %s\n", format);
+		exit(1);
+	}
 	return buf[bufidx];
 }
 
 void html(const char *txt)
 {
-	fputs(txt, stdout);
+	write(htmlfd, txt, strlen(txt));
 }
 
 void htmlf(const char *format, ...)
 {
+	static char buf[65536];
 	va_list args;
 
 	va_start(args, format);
-	vprintf(format, args);
+	vsnprintf(buf, sizeof(buf), format, args);
 	va_end(args);
+	html(buf);
 }
 
 void html_txt(char *txt)
 {
 	char *t = txt;
-	while(*t){
+	while(t && *t){
 		int c = *t;
 		if (c=='<' || c=='>' || c=='&') {
-			*t = '\0';
-			html(txt);
-			*t = c;
+			write(htmlfd, txt, t - txt);
 			if (c=='>')
 				html("&gt;");
 			else if (c=='<')
@@ -55,16 +71,36 @@ void html_txt(char *txt)
 		html(txt);
 }
 
+void html_ntxt(int len, char *txt)
+{
+	char *t = txt;
+	while(t && *t && len--){
+		int c = *t;
+		if (c=='<' || c=='>' || c=='&') {
+			write(htmlfd, txt, t - txt);
+			if (c=='>')
+				html("&gt;");
+			else if (c=='<')
+				html("&lt;");
+			else if (c=='&')
+				html("&amp;");
+			txt = t+1;
+		}
+		t++;
+	}
+	if (t!=txt)
+		write(htmlfd, txt, t - txt);
+	if (len<0)
+		html("...");
+}
 
 void html_attr(char *txt)
 {
 	char *t = txt;
-	while(*t){
+	while(t && *t){
 		int c = *t;
 		if (c=='<' || c=='>' || c=='\'') {
-			*t = '\0';
-			html(txt);
-			*t = c;
+			write(htmlfd, txt, t - txt);
 			if (c=='>')
 				html("&gt;");
 			else if (c=='<')
@@ -79,6 +115,27 @@ void html_attr(char *txt)
 		html(txt);
 }
 
+void html_hidden(char *name, char *value)
+{
+	html("<input type='hidden' name='");
+	html_attr(name);
+	html("' value='");
+	html_attr(value);
+	html("'/>");
+}
+
+void html_option(char *value, char *text, 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_link_open(char *url, char *title, char *class)
 {
 	html("<a href='");
@@ -98,3 +155,87 @@ 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")))
+		return -1;
+	while((len = fread(buf, 1, 4096, f)) > 0)
+		write(htmlfd, 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;
+	if (strlen(txt) < 3) {
+		*txt = '\0';
+		return txt-1;
+	}
+	d1 = hextoint(*(txt+1));
+	d2 = hextoint(*(txt+2));
+	if (d1<0 || d2<0) {
+		strcpy(txt, txt+3);
+		return txt-1;
+	} else {
+		*txt = d1 * 16 + d2;
+		strcpy(txt+1, txt+3);
+		return txt;
+	}
+}
+
+int http_parse_querystring(char *txt, void (*fn)(const char *name, const char *value))
+{
+	char *t, *value = NULL, c;
+
+	if (!txt)
+		return 0;
+
+	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);
+	return 0;
+}