57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
#pragma once
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#include <kernel/ACPI/AML/Bytes.h>
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#include <kernel/ACPI/AML/Node.h>
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#include <kernel/ACPI/AML/ParseContext.h>
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namespace Kernel::ACPI::AML
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{
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struct String : public AML::Node
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{
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BAN::String string;
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String() : Node(Node::Type::String) {}
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BAN::RefPtr<AML::Node> evaluate() override
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{
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return this;
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}
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static ParseResult parse(ParseContext& context)
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{
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ASSERT(context.aml_data.size() >= 1);
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ASSERT(static_cast<AML::Byte>(context.aml_data[0]) == AML::Byte::StringPrefix);
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context.aml_data = context.aml_data.slice(1);
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BAN::String string;
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while (context.aml_data.size() > 0)
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{
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if (context.aml_data[0] == 0x00)
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break;
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MUST(string.push_back(static_cast<char>(context.aml_data[0])));
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context.aml_data = context.aml_data.slice(1);
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}
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if (context.aml_data.size() == 0)
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return ParseResult::Failure;
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if (context.aml_data[0] != 0x00)
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return ParseResult::Failure;
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context.aml_data = context.aml_data.slice(1);
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auto string_node = MUST(BAN::RefPtr<String>::create());
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string_node->string = BAN::move(string);
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return ParseResult(string_node);
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}
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virtual void debug_print(int indent) const override
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{
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AML_DEBUG_PRINT_INDENT(indent);
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AML_DEBUG_PRINT("String \"{}\"", string);
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}
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};
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}
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