45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
// Copyright 2021 The Chromium Embedded Framework Authors. Portions copyright
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// 2011 The Chromium Authors. All rights reserved. Use of this source code is
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// governed by a BSD-style license that can be found in the LICENSE file.
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#ifndef CEF_LIBCEF_COMMON_STRING_UTIL_H_
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#define CEF_LIBCEF_COMMON_STRING_UTIL_H_
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#pragma once
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#include "include/cef_base.h"
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#include "base/functional/callback.h"
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#include "base/memory/scoped_refptr.h"
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namespace base {
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class ReadOnlySharedMemoryRegion;
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class RefCountedMemory;
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} // namespace base
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namespace blink {
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class WebString;
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}
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namespace string_util {
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// Convert |source| to |cef_string|, avoiding UTF conversions if possible.
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void GetCefString(const blink::WebString& source, CefString& cef_string);
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void GetCefString(scoped_refptr<base::RefCountedMemory> source,
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CefString& cef_string);
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// Read |source| into shared memory, avoiding UTF conversions if possible.
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// Use ExecuteWithScopedCefString() to retrieve the value on the receiving end
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// with zero UTF conversions and zero copies if possible.
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base::ReadOnlySharedMemoryRegion CreateSharedMemoryRegion(
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const blink::WebString& source);
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using ScopedCefStringCallback = base::OnceCallback<void(const CefString&)>;
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// Helper for executing |callback| with |region| as a scoped CefString.
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void ExecuteWithScopedCefString(base::ReadOnlySharedMemoryRegion region,
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ScopedCefStringCallback callback);
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} // namespace string_util
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#endif // CEF_LIBCEF_COMMON_STRING_UTIL_H_
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