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https://github.com/LadybirdBrowser/ladybird.git
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1a1394f7a2
Passing a Heap& to it only to then call interpreter() on that is weird. Let's just give it the Interpreter& directly, like some of the other to_something() functions.
103 lines
3.9 KiB
C++
103 lines
3.9 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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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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#include <AK/StringBuilder.h>
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#include <LibJS/Interpreter.h>
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#include <LibJS/Runtime/Array.h>
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#include <LibJS/Runtime/Error.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/StringConstructor.h>
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#include <LibJS/Runtime/StringObject.h>
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namespace JS {
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StringConstructor::StringConstructor()
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: NativeFunction("String", *interpreter().global_object().function_prototype())
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{
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put("prototype", interpreter().global_object().string_prototype(), 0);
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put("length", Value(1), Attribute::Configurable);
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put_native_function("raw", raw, 0, Attribute::Writable | Attribute::Configurable);
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}
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StringConstructor::~StringConstructor()
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{
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}
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Value StringConstructor::call(Interpreter& interpreter)
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{
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if (!interpreter.argument_count())
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return js_string(interpreter, "");
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auto* string = interpreter.argument(0).to_primitive_string(interpreter);
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if (interpreter.exception())
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return {};
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return string;
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}
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Value StringConstructor::construct(Interpreter& interpreter)
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{
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PrimitiveString* primitive_string = nullptr;
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if (!interpreter.argument_count())
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primitive_string = js_string(interpreter, "");
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else
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primitive_string = interpreter.argument(0).to_primitive_string(interpreter);
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if (!primitive_string)
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return {};
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return StringObject::create(interpreter.global_object(), *primitive_string);
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}
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Value StringConstructor::raw(Interpreter& interpreter)
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{
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auto* template_object = interpreter.argument(0).to_object(interpreter);
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if (interpreter.exception())
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return {};
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auto raw = template_object->get("raw");
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if (raw.is_empty() || raw.is_undefined() || raw.is_null()) {
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interpreter.throw_exception<TypeError>(String::format("Cannot convert property 'raw' to object from %s", raw.is_null() ? "null" : "undefined"));
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return {};
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}
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if (!raw.is_array())
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return js_string(interpreter, "");
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auto& raw_array_elements = static_cast<Array*>(raw.to_object(interpreter))->elements();
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StringBuilder builder;
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for (size_t i = 0; i < raw_array_elements.size(); ++i) {
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builder.append(raw_array_elements.at(i).to_string(interpreter));
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if (interpreter.exception())
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return {};
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if (i + 1 < interpreter.argument_count() && i < raw_array_elements.size() - 1) {
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builder.append(interpreter.argument(i + 1).to_string(interpreter));
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if (interpreter.exception())
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return {};
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}
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}
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return js_string(interpreter, builder.build());
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}
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}
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