From 6dec39305b19e86425d30d10bff7fa788d3d83ab Mon Sep 17 00:00:00 2001
From: Michael Wallner <mike@php.net>
Date: Fri, 14 Dec 2012 13:42:48 +0000
Subject: [PATCH] simple escape/quotes support for the params parser

---
 php_http_params.c      | 26 +++++++++++++++-----------
 phpunit/HeaderTest.php | 10 +++++-----
 2 files changed, 20 insertions(+), 16 deletions(-)

diff --git a/php_http_params.c b/php_http_params.c
index d669f25..43447d9 100644
--- a/php_http_params.c
+++ b/php_http_params.c
@@ -45,6 +45,8 @@ typedef struct php_http_params_state {
 		zval **args;
 		zval **val;
 	} current;
+	unsigned quotes:1;
+	unsigned escape:1;
 } php_http_params_state_t;
 
 static inline void sanitize_default(zval *zv TSRMLS_DC)
@@ -421,12 +423,7 @@ static void push_param(HashTable *params, php_http_params_state_t *state, const
 
 				MAKE_STD_ZVAL(val);
 				if (opts->defval) {
-#if PHP_VERSION_ID >= 50400
 					ZVAL_COPY_VALUE(val, opts->defval);
-#else
-					val->value = opts->defval->value;
-					Z_TYPE_P(val) = Z_TYPE_P(opts->defval);
-#endif
 					zval_copy_ctor(val);
 				} else {
 					ZVAL_TRUE(val);
@@ -452,6 +449,10 @@ static size_t check_sep(php_http_params_state_t *state, php_http_params_token_t
 {
 	php_http_params_token_t **sep = separators;
 
+	if (state->quotes || state->escape) {
+		return 0;
+	}
+	
 	if (sep) while (*sep) {
 		if (check_str(state->input.str, state->input.len, (*sep)->str, (*sep)->len)) {
 			return (*sep)->len;
@@ -479,7 +480,7 @@ static void skip_sep(size_t skip, php_http_params_state_t *state, php_http_param
 
 PHP_HTTP_API HashTable *php_http_params_parse(HashTable *params, const php_http_params_opts_t *opts TSRMLS_DC)
 {
-	php_http_params_state_t state = {{NULL,0}, {NULL,0}, {NULL,0}, {NULL,0}, {NULL,NULL,NULL}};
+	php_http_params_state_t state = {{NULL,0}, {NULL,0}, {NULL,0}, {NULL,0}, {NULL,NULL,NULL}, 0, 0};
 
 	state.input.str = opts->input.str;
 	state.input.len = opts->input.len;
@@ -490,10 +491,13 @@ PHP_HTTP_API HashTable *php_http_params_parse(HashTable *params, const php_http_
 	}
 
 	while (state.input.len) {
-		if (*state.input.str == '\\') {
-			++state.input.str;
-			--state.input.len;
-		} else if (!state.param.str) {
+		if (*state.input.str == '"' && !state.escape) {
+			state.quotes = !state.quotes;
+		} else {
+			state.escape = (*state.input.str == '\\');
+		}
+		
+		if (!state.param.str) {
 			/* initialize */
 			skip_sep(0, &state, opts->param, opts->arg, opts->val TSRMLS_CC);
 			state.param.str = state.input.str;
@@ -546,7 +550,7 @@ PHP_HTTP_API HashTable *php_http_params_parse(HashTable *params, const php_http_
 				}
 			}
 		}
-
+		
 		if (state.input.len) {
 			++state.input.str;
 			--state.input.len;
diff --git a/phpunit/HeaderTest.php b/phpunit/HeaderTest.php
index c04a7f7..184f21a 100644
--- a/phpunit/HeaderTest.php
+++ b/phpunit/HeaderTest.php
@@ -47,9 +47,9 @@ class HeaderTest extends PHPUnit_Framework_TestCase {
     function testParse() {
     	$header = "Foo: bar\nBar: foo\n";
     	$this->assertEquals(array("Foo"=>"bar","Bar"=>"foo"), http\Header::parse($header)); 
-    	$header = http\Header::parse($header, "http\\Header");
-    	$this->assertCount(2, $header);
-    	$this->assertContainsOnlyInstancesOf("http\\Header", $header); 
+    	$headers = http\Header::parse($header, "http\\Header");
+    	$this->assertCount(2, $headers);
+    	$this->assertContainsOnlyInstancesOf("http\\Header", $headers); 
     }
     
     function testParseError() {
@@ -71,11 +71,11 @@ class HeaderTest extends PHPUnit_Framework_TestCase {
 	}
 	
 	function testParamsWithArgs() {
-		$header = new http\Header("Custom", '"foo" is "bar". "bar" is "bis" where "bis" is 3.');
+		$header = new http\Header("Custom", '"foo" is "bar". "bar" is "bis" where "bis" is "where".');
 		$this->assertEquals(
 			array(
 				"foo" => array("value" => "bar", "arguments" => array()),
-				"bar" => array("value" => "baz", "arguments" => array("baz" => "3"))
+				"bar" => array("value" => "bis", "arguments" => array("bis" => "where"))
 			),
 			$header->getParams(".", "where", "is")->params
 		);
-- 
2.30.2