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https://github.com/SerenityOS/serenity
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5d180d1f99
(...and ASSERT_NOT_REACHED => VERIFY_NOT_REACHED) Since all of these checks are done in release builds as well, let's rename them to VERIFY to prevent confusion, as everyone is used to assertions being compiled out in release. We can introduce a new ASSERT macro that is specifically for debug checks, but I'm doing this wholesale conversion first since we've accumulated thousands of these already, and it's not immediately obvious which ones are suitable for ASSERT.
124 lines
3.3 KiB
C++
124 lines
3.3 KiB
C++
/*
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* Copyright (c) 2020, The SerenityOS developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/String.h>
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#include <AK/Types.h>
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#include <AK/Vector.h>
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namespace AK {
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class JsonPathElement {
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public:
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enum class Kind {
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Key,
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Index,
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AnyIndex,
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AnyKey,
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};
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JsonPathElement(size_t index)
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: m_kind(Kind::Index)
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, m_index(index)
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{
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}
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JsonPathElement(const StringView& key)
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: m_kind(Kind::Key)
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, m_key(key)
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{
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}
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Kind kind() const { return m_kind; }
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const String& key() const
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{
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VERIFY(m_kind == Kind::Key);
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return m_key;
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}
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size_t index() const
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{
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VERIFY(m_kind == Kind::Index);
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return m_index;
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}
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String to_string() const
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{
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switch (m_kind) {
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case Kind::Key:
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return key();
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case Kind::Index:
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return String::number(index());
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default:
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return "*";
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}
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}
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static JsonPathElement any_array_element;
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static JsonPathElement any_object_element;
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bool operator==(const JsonPathElement& other) const
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{
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switch (other.kind()) {
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case Kind::Key:
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return (m_kind == Kind::Key && other.key() == key()) || m_kind == Kind::AnyKey;
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case Kind::Index:
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return (m_kind == Kind::Index && other.index() == index()) || m_kind == Kind::AnyIndex;
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case Kind::AnyKey:
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return m_kind == Kind::Key;
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case Kind::AnyIndex:
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return m_kind == Kind::Index;
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}
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return false;
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}
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bool operator!=(const JsonPathElement& other) const
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{
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return !(*this == other);
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}
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private:
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Kind m_kind;
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String m_key;
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size_t m_index { 0 };
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JsonPathElement(Kind kind)
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: m_kind(kind)
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{
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}
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};
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class JsonPath : public Vector<JsonPathElement> {
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public:
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JsonValue resolve(const JsonValue&) const;
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String to_string() const;
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};
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}
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using AK::JsonPath;
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using AK::JsonPathElement;
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