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https://github.com/RGBCube/serenity
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Import all this stuff into a single repo called Serenity.
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AK/StringImpl.h
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AK/StringImpl.h
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#pragma once
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#include "Retainable.h"
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#include "RetainPtr.h"
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namespace AK {
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class StringImpl : public Retainable<StringImpl> {
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public:
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static RetainPtr<StringImpl> createUninitialized(unsigned length, char*& buffer);
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static RetainPtr<StringImpl> create(const char* cstring);
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static RetainPtr<StringImpl> create(const char* cstring, size_t length);
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RetainPtr<StringImpl> toLowercase() const;
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RetainPtr<StringImpl> toUppercase() const;
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static StringImpl& theEmptyStringImpl();
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~StringImpl();
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unsigned length() const { return m_length; }
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const char* characters() const { return m_characters; }
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char operator[](unsigned i) const { ASSERT(i < m_length); return m_characters[i]; }
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unsigned hash() const
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{
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if (!m_hasHash)
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computeHash();
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return m_hash;
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}
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private:
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enum ConstructTheEmptyStringImplTag { ConstructTheEmptyStringImpl };
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explicit StringImpl(ConstructTheEmptyStringImplTag) : m_characters("") { }
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enum ConstructWithInlineBufferTag { ConstructWithInlineBuffer };
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explicit StringImpl(ConstructWithInlineBufferTag, unsigned length) : m_length(length), m_characters(m_inlineBuffer) { }
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void computeHash() const;
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unsigned m_length { 0 };
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bool m_ownsBuffer { true };
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mutable bool m_hasHash { false };
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const char* m_characters { nullptr };
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mutable unsigned m_hash { 0 };
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char m_inlineBuffer[0];
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};
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}
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using AK::StringImpl;
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