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58 lines
1.2 KiB
C++
58 lines
1.2 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef MediaQueryInputStream_h
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#define MediaQueryInputStream_h
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#include "wtf/text/WTFString.h"
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namespace blink {
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class MediaQueryInputStream {
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WTF_MAKE_NONCOPYABLE(MediaQueryInputStream);
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WTF_MAKE_FAST_ALLOCATED;
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public:
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MediaQueryInputStream(String input);
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UChar peek(unsigned);
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inline UChar nextInputChar()
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{
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return peek(0);
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}
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void advance(unsigned = 1);
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void pushBack(UChar);
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inline size_t maxLength()
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{
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return m_string.length() + 1;
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}
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inline size_t leftChars()
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{
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return m_string.length() - m_offset;
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}
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unsigned long long getUInt(unsigned start, unsigned end);
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double getDouble(unsigned start, unsigned end);
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template<bool characterPredicate(UChar)>
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unsigned skipWhilePredicate(unsigned offset)
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{
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while ((m_offset + offset) < m_string.length() && characterPredicate(m_string[m_offset + offset]))
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++offset;
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return offset;
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}
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private:
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size_t m_offset;
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String m_string;
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};
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} // namespace blink
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#endif // MediaQueryInputStream_h
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