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https://github.com/SerenityOS/serenity
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1682f0b760
SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
98 lines
2.6 KiB
C++
98 lines
2.6 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/String.h>
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namespace AK {
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class FlyString {
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public:
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FlyString() = default;
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FlyString(const FlyString& other)
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: m_impl(other.impl())
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{
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}
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FlyString(FlyString&& other)
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: m_impl(move(other.m_impl))
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{
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}
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FlyString(const String&);
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FlyString(const StringView&);
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FlyString(const char*);
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FlyString& operator=(const FlyString& other)
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{
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m_impl = other.m_impl;
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return *this;
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}
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FlyString& operator=(FlyString&& other)
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{
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m_impl = move(other.m_impl);
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return *this;
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}
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bool is_empty() const { return !m_impl || !m_impl->length(); }
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bool is_null() const { return !m_impl; }
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bool operator==(const FlyString& other) const { return m_impl == other.m_impl; }
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bool operator!=(const FlyString& other) const { return m_impl != other.m_impl; }
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bool operator==(const String&) const;
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bool operator!=(const String& string) const { return !(*this == string); }
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bool operator==(const StringView&) const;
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bool operator!=(const StringView& string) const { return !(*this == string); }
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bool operator==(const char*) const;
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bool operator!=(const char* string) const { return !(*this == string); }
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const StringImpl* impl() const { return m_impl; }
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const char* characters() const { return m_impl ? m_impl->characters() : nullptr; }
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size_t length() const { return m_impl ? m_impl->length() : 0; }
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ALWAYS_INLINE u32 hash() const { return m_impl ? m_impl->existing_hash() : 0; }
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StringView view() const;
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FlyString to_lowercase() const;
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template<typename T = int>
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Optional<T> to_int() const;
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template<typename T = unsigned>
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Optional<T> to_uint() const;
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bool equals_ignoring_case(const StringView&) const;
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bool starts_with(const StringView&, CaseSensitivity = CaseSensitivity::CaseSensitive) const;
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bool ends_with(const StringView&, CaseSensitivity = CaseSensitivity::CaseSensitive) const;
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static void did_destroy_impl(Badge<StringImpl>, StringImpl&);
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template<typename T, typename... Rest>
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bool is_one_of(const T& string, Rest... rest) const
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{
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if (*this == string)
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return true;
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return is_one_of(rest...);
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}
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private:
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bool is_one_of() const { return false; }
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RefPtr<StringImpl> m_impl;
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};
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template<>
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struct Traits<FlyString> : public GenericTraits<FlyString> {
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static unsigned hash(const FlyString& s) { return s.hash(); }
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};
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}
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using AK::FlyString;
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