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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 CHROME_TEST_AUTOMATION_JAVASCRIPT_MESSAGE_UTILS_H_
#define CHROME_TEST_AUTOMATION_JAVASCRIPT_MESSAGE_UTILS_H_
#pragma once
#include <string>
#include <vector>
#include "base/json/json_writer.h"
#include "base/memory/scoped_ptr.h"
#include "base/stringprintf.h"
#include "base/values.h"
#include "chrome/test/automation/dom_element_proxy.h"
#include "chrome/test/automation/value_conversion_traits.h"
template <>
struct ValueConversionTraits<DOMElementProxy::By> {
typedef DOMElementProxy::By type;
static Value* CreateValueFrom(const type& t) {
DictionaryValue* value = new DictionaryValue();
std::string by_type;
switch (t.type()) {
case type::TYPE_XPATH:
by_type = "xpath";
break;
case type::TYPE_SELECTORS:
by_type = "selectors";
break;
case type::TYPE_TEXT:
by_type = "text";
break;
default:
NOTREACHED();
break;
}
value->SetString("type", by_type);
value->SetString("queryString", t.query());
return value;
}
};
template <typename T>
struct ValueConversionTraits<std::vector<T> > {
static Value* CreateValueFrom(const std::vector<T>& t) {
ListValue* value = new ListValue();
for (size_t i = 0; i < t.size(); i++) {
value->Append(ValueConversionTraits<T>::CreateValueFrom(t[i]));
}
return value;
}
static bool SetFromValue(const Value* value, std::vector<T>* t) {
if (!value->IsType(Value::TYPE_LIST))
return false;
const ListValue* list_value = static_cast<const ListValue*>(value);
ListValue::const_iterator iter;
for (iter = list_value->begin(); iter != list_value->end(); ++iter) {
if (!ValueConversionTraits<T>::CanConvert(*iter))
return false;
}
for (iter = list_value->begin(); iter != list_value->end(); ++iter) {
T inner_value;
ValueConversionTraits<T>::SetFromValue(*iter, &inner_value);
t->push_back(inner_value);
}
return true;
}
};
namespace javascript_utils {
// Converts |arg| to a JSON string.
template <typename T>
std::string JSONStringify(const T& arg) {
std::string javascript;
scoped_ptr<Value> value(ValueConversionTraits<T>::CreateValueFrom(arg));
base::JSONWriter::Write(value.get(), false, &javascript);
return javascript;
}
// Converts |arg| to a JSON string and returns a string formatted as
// |format| specifies. |format| should only expect string arguments.
template <typename T>
std::string JavaScriptPrintf(const std::string& format, const T& arg) {
return base::StringPrintf(format.c_str(), JSONStringify(arg).c_str());
}
// Similar to above, but with an additional argument.
template <typename T1, typename T2>
std::string JavaScriptPrintf(const std::string& format, const T1& arg1,
const T2& arg2) {
return base::StringPrintf(format.c_str(),
JSONStringify(arg1).c_str(),
JSONStringify(arg2).c_str());
}
// Similar to above, but with an additional argument.
template <typename T1, typename T2, typename T3>
std::string JavaScriptPrintf(const std::string& format, const T1& arg1,
const T2& arg2, const T3& arg3) {
return base::StringPrintf(format.c_str(),
JSONStringify(arg1).c_str(),
JSONStringify(arg2).c_str(),
JSONStringify(arg3).c_str());
}
} // namespace javascript_utils
#endif // CHROME_TEST_AUTOMATION_JAVASCRIPT_MESSAGE_UTILS_H_
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