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// Copyright (c) 2010 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 CHROME_COMMON_INDEXED_DB_PARAM_TRAITS_H_
#define CHROME_COMMON_INDEXED_DB_PARAM_TRAITS_H_
#pragma once
#include "chrome/common/indexed_db_key.h"
#include "chrome/common/serialized_script_value.h"
namespace IPC {
// These datatypes are used by utility_messages.h and render_messages.h.
// Unfortunately we can't move it to common: MSVC linker complains about
// WebKit datatypes that are not linked on npchrome_frame (even though it's
// never actually used by that target).
template <>
struct ParamTraits<SerializedScriptValue> {
typedef SerializedScriptValue param_type;
static void Write(Message* m, const param_type& p) {
WriteParam(m, p.is_null());
WriteParam(m, p.is_invalid());
WriteParam(m, p.data());
}
static bool Read(const Message* m, void** iter, param_type* r) {
bool is_null;
bool is_invalid;
string16 data;
bool ok =
ReadParam(m, iter, &is_null) &&
ReadParam(m, iter, &is_invalid) &&
ReadParam(m, iter, &data);
if (!ok)
return false;
r->set_is_null(is_null);
r->set_is_invalid(is_invalid);
r->set_data(data);
return true;
}
static void Log(const param_type& p, std::string* l) {
l->append("<SerializedScriptValue>(");
LogParam(p.is_null(), l);
l->append(", ");
LogParam(p.is_invalid(), l);
l->append(", ");
LogParam(p.data(), l);
l->append(")");
}
};
template <>
struct ParamTraits<IndexedDBKey> {
typedef IndexedDBKey param_type;
static void Write(Message* m, const param_type& p) {
WriteParam(m, int(p.type()));
// TODO(jorlow): Technically, we only need to pack the type being used.
WriteParam(m, p.string());
WriteParam(m, p.number());
}
static bool Read(const Message* m, void** iter, param_type* r) {
int type;
string16 string;
int32 number;
bool ok =
ReadParam(m, iter, &type) &&
ReadParam(m, iter, &string) &&
ReadParam(m, iter, &number);
if (!ok)
return false;
switch (type) {
case WebKit::WebIDBKey::NullType:
r->SetNull();
return true;
case WebKit::WebIDBKey::StringType:
r->Set(string);
return true;
case WebKit::WebIDBKey::NumberType:
r->Set(number);
return true;
case WebKit::WebIDBKey::InvalidType:
r->SetInvalid();
return true;
}
NOTREACHED();
return false;
}
static void Log(const param_type& p, std::string* l) {
l->append("<IndexedDBKey>(");
LogParam(int(p.type()), l);
l->append(", ");
LogParam(p.string(), l);
l->append(", ");
LogParam(p.number(), l);
l->append(")");
}
};
} // namespace IPC
#endif // CHROME_COMMON_INDEXED_DB_PARAM_TRAITS_H_
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