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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.
#include "ppapi/shared_impl/ppb_var_shared.h"
#include <limits>
#include "ppapi/c/ppb_var.h"
#include "ppapi/c/pp_var.h"
#include "ppapi/shared_impl/ppapi_globals.h"
#include "ppapi/shared_impl/proxy_lock.h"
#include "ppapi/shared_impl/var.h"
#include "ppapi/shared_impl/var_tracker.h"
using ppapi::PpapiGlobals;
using ppapi::StringVar;
namespace ppapi {
void AddRefVar(PP_Var var) {
ppapi::ProxyAutoLock lock;
PpapiGlobals::Get()->GetVarTracker()->AddRefVar(var);
}
void ReleaseVar(PP_Var var) {
ppapi::ProxyAutoLock lock;
PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(var);
}
PP_Var VarFromUtf8(const char* data, uint32_t len) {
ppapi::ProxyAutoLock lock;
return StringVar::StringToPPVar(data, len);
}
PP_Var VarFromUtf8_1_0(PP_Module /*module*/, const char* data, uint32_t len) {
return VarFromUtf8(data, len);
}
const char* VarToUtf8(PP_Var var, uint32_t* len) {
ppapi::ProxyAutoLock lock;
StringVar* str = StringVar::FromPPVar(var);
if (str) {
*len = static_cast<uint32_t>(str->value().size());
return str->value().c_str();
}
*len = 0;
return NULL;
}
namespace {
const PPB_Var var_interface = {
&AddRefVar,
&ReleaseVar,
&VarFromUtf8,
&VarToUtf8
};
const PPB_Var_1_0 var_interface1_0 = {
&AddRefVar,
&ReleaseVar,
&VarFromUtf8_1_0,
&VarToUtf8
};
} // namespace
// static
const PPB_Var* PPB_Var_Shared::GetVarInterface() {
return &var_interface;
}
// static
const PPB_Var_1_0* PPB_Var_Shared::GetVarInterface1_0() {
return &var_interface1_0;
}
} // namespace ppapi
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