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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef PPAPI_SHARED_IMPL_URL_UTIL_IMPL_H_
#define PPAPI_SHARED_IMPL_URL_UTIL_IMPL_H_
#include <string>
#include "base/basictypes.h"
#include "googleurl/src/url_parse.h"
#include "ppapi/c/dev/ppb_url_util_dev.h"
#include "ppapi/c/pp_module.h"
#include "ppapi/c/pp_var.h"
class GURL;
namespace ppapi {
// Contains the implementation of PPB_URLUtil that is shared between the proxy
// and the renderer.
class URLUtilImpl {
public:
// The functions here would normally take the var interface for constructing
// return strings. However, at the current time there's some mixup between
// using Var and VarDeprecated. To resolve this, we instead pass the pointer
// to the string creation function so can be used independently of this.
typedef PP_Var (*VarFromUtf8)(PP_Module, const char*, uint32_t);
// Function that converts the given var to a std::string or NULL if the
// var is not a string or is invalid.
//
// We could use PPB_Var for this, but that interface requires an additional
// string conversion. Both the proxy and the host side maintain the strings
// in a std::string, and the form we want for passing to GURL is also a
// std::string. Parameterizing this separately saves this, and also solves
// the same problem that VarFromUtf8 does.
typedef const std::string* (*StringFromVar)(PP_Var var);
// PPB_URLUtil shared functions.
static PP_Var Canonicalize(StringFromVar string_from_var,
VarFromUtf8 var_from_utf8,
PP_Module pp_module,
PP_Var url,
PP_URLComponents_Dev* components);
static PP_Var ResolveRelativeToURL(StringFromVar string_from_var,
VarFromUtf8 var_from_utf8,
PP_Module pp_module,
PP_Var base_url,
PP_Var relative,
PP_URLComponents_Dev* components);
static PP_Bool IsSameSecurityOrigin(StringFromVar string_from_var,
PP_Var url_a, PP_Var url_b);
// Used for returning the given GURL from a PPAPI function, with an optional
// out param indicating the components.
static PP_Var GenerateURLReturn(VarFromUtf8 var_from_utf8,
PP_Module pp_module,
const GURL& url,
PP_URLComponents_Dev* components);
};
} // namespace ppapi
#endif
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