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101 lines
2.3 KiB
C++
101 lines
2.3 KiB
C++
/*
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* Copyright (c) 2021-2022, Matthew Olsson <mattco@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/Format.h>
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#include <AK/RefPtr.h>
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#include <AK/String.h>
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#include <AK/Variant.h>
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#include <LibPDF/Forward.h>
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#include <LibPDF/Object.h>
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#include <LibPDF/Reference.h>
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namespace PDF {
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class Value : public Variant<Empty, std::nullptr_t, bool, int, float, Reference, NonnullRefPtr<Object>> {
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public:
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using Variant::Variant;
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template<IsObject T>
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Value(RefPtr<T> const& refptr)
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: Variant(nullptr)
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{
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if (refptr)
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set<NonnullRefPtr<Object>>(*refptr);
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}
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template<IsObject T>
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Value(NonnullRefPtr<T> const& refptr) requires(!IsSame<Object, T>)
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: Variant(nullptr)
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{
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set<NonnullRefPtr<Object>>(*refptr);
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}
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[[nodiscard]] String to_string(int indent = 0) const;
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[[nodiscard]] ALWAYS_INLINE bool has_number() const { return has<int>() || has<float>(); }
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[[nodiscard]] ALWAYS_INLINE bool has_u32() const
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{
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return has<int>() && get<int>() >= 0;
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}
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[[nodiscard]] ALWAYS_INLINE bool has_u16() const
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{
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return has<int>() && get<int>() >= 0 && get<int>() < 65536;
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}
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[[nodiscard]] ALWAYS_INLINE u32 get_u32() const
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{
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VERIFY(has_u32());
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return get<int>();
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}
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[[nodiscard]] ALWAYS_INLINE u16 get_u16() const
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{
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VERIFY(has_u16());
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return get<int>();
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}
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[[nodiscard]] ALWAYS_INLINE int to_int() const
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{
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if (has<int>())
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return get<int>();
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return static_cast<int>(get<float>());
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}
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[[nodiscard]] ALWAYS_INLINE float to_float() const
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{
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if (has<float>())
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return get<float>();
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return static_cast<float>(get<int>());
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}
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[[nodiscard]] ALWAYS_INLINE u32 as_ref_index() const
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{
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return get<Reference>().as_ref_index();
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}
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[[nodiscard]] ALWAYS_INLINE u32 as_ref_generation_index() const
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{
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return get<Reference>().as_ref_generation_index();
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}
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};
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}
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namespace AK {
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template<>
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struct Formatter<PDF::Value> : Formatter<StringView> {
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ErrorOr<void> format(FormatBuilder& builder, PDF::Value const& value)
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{
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return Formatter<StringView>::format(builder, value.to_string());
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}
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};
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}
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