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LibJS: Add JSON.stringify
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19 changed files with 678 additions and 10 deletions
59
Libraries/LibJS/Runtime/JSONObject.h
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59
Libraries/LibJS/Runtime/JSONObject.h
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/*
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* Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com>
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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 <LibJS/Runtime/Object.h>
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namespace JS {
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class JSONObject final : public Object {
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public:
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JSONObject();
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virtual ~JSONObject() override;
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private:
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struct StringifyState {
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Function* replacer_function { nullptr };
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HashTable<Object*> seen_objects;
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String indent { String::empty() };
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String gap;
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Optional<Vector<String>> property_list;
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};
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virtual const char* class_name() const override { return "JSONObject"; }
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// Stringify helpers
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static String serialize_json_property(Interpreter&, StringifyState&, const PropertyName& key, Object* holder);
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static String serialize_json_object(Interpreter&, StringifyState&, Object&);
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static String serialize_json_array(Interpreter&, StringifyState&, Object&);
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static String quote_json_string(String);
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static Value stringify(Interpreter&);
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static Value parse(Interpreter&);
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};
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}
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