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LibPDF: Propagate errors in Parser and Document
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parent
7e1c823725
commit
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16 changed files with 472 additions and 420 deletions
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2021, Matthew Olsson <mattco@serenityos.org>
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* Copyright (c) 2021-2022, Matthew Olsson <mattco@serenityos.org>
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* Copyright (c) 2021, Ben Wiederhake <BenWiederhake.GitHub@gmx.de>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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@ -30,10 +30,12 @@ public:
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[[nodiscard]] ALWAYS_INLINE String const& string() const { return m_string; }
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[[nodiscard]] ALWAYS_INLINE bool is_binary() const { return m_is_binary; }
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ALWAYS_INLINE bool is_string() const override { return true; }
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ALWAYS_INLINE const char* type_name() const override { return "string"; }
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const char* type_name() const override { return "string"; }
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String to_string(int indent) const override;
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protected:
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bool is_string() const override { return true; }
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private:
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String m_string;
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bool m_is_binary;
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@ -50,10 +52,12 @@ public:
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[[nodiscard]] ALWAYS_INLINE FlyString const& name() const { return m_name; }
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ALWAYS_INLINE bool is_name() const override { return true; }
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ALWAYS_INLINE const char* type_name() const override { return "name"; }
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const char* type_name() const override { return "name"; }
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String to_string(int indent) const override;
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protected:
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bool is_name() const override { return true; }
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private:
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FlyString m_name;
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};
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@ -76,20 +80,20 @@ public:
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ALWAYS_INLINE Value const& operator[](size_t index) const { return at(index); }
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ALWAYS_INLINE Value const& at(size_t index) const { return m_elements[index]; }
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NonnullRefPtr<Object> get_object_at(Document*, size_t index) const;
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#define DEFINE_INDEXER(class_name, snake_name) \
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NonnullRefPtr<class_name> get_##snake_name##_at(Document*, size_t index) const;
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PDFErrorOr<NonnullRefPtr<class_name>> get_##snake_name##_at(Document*, size_t index) const;
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ENUMERATE_OBJECT_TYPES(DEFINE_INDEXER)
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#undef DEFINE_INDEXER
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ALWAYS_INLINE bool is_array() const override
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const char* type_name() const override
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{
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return true;
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return "array";
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}
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ALWAYS_INLINE const char* type_name() const override { return "array"; }
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String to_string(int indent) const override;
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protected:
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bool is_array() const override { return true; }
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private:
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Vector<Value> m_elements;
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};
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@ -117,20 +121,22 @@ public:
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return value.value();
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}
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NonnullRefPtr<Object> get_object(Document*, FlyString const& key) const;
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PDFErrorOr<NonnullRefPtr<Object>> get_object(Document*, FlyString const& key) const;
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#define DEFINE_GETTER(class_name, snake_name) \
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NonnullRefPtr<class_name> get_##snake_name(Document*, FlyString const& key) const;
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PDFErrorOr<NonnullRefPtr<class_name>> get_##snake_name(Document*, FlyString const& key) const;
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ENUMERATE_OBJECT_TYPES(DEFINE_GETTER)
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#undef DEFINE_GETTER
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ALWAYS_INLINE bool is_dict() const override
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const char* type_name() const override
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{
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return true;
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return "dict";
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}
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ALWAYS_INLINE const char* type_name() const override { return "dict"; }
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String to_string(int indent) const override;
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protected:
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bool is_dict() const override { return true; }
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private:
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HashMap<FlyString, Value> m_map;
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};
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@ -147,10 +153,12 @@ public:
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[[nodiscard]] ALWAYS_INLINE NonnullRefPtr<DictObject> dict() const { return m_dict; }
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[[nodiscard]] virtual ReadonlyBytes bytes() const = 0;
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ALWAYS_INLINE bool is_stream() const override { return true; }
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ALWAYS_INLINE const char* type_name() const override { return "stream"; }
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const char* type_name() const override { return "stream"; }
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String to_string(int indent) const override;
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protected:
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bool is_stream() const override { return true; }
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private:
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NonnullRefPtr<DictObject> m_dict;
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};
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@ -201,10 +209,12 @@ public:
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[[nodiscard]] ALWAYS_INLINE u32 index() const { return m_index; }
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[[nodiscard]] ALWAYS_INLINE Value const& value() const { return m_value; }
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ALWAYS_INLINE bool is_indirect_value() const override { return true; }
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ALWAYS_INLINE const char* type_name() const override { return "indirect_object"; }
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const char* type_name() const override { return "indirect_object"; }
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String to_string(int indent) const override;
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protected:
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bool is_indirect_value() const override { return true; }
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private:
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u32 m_index;
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Value m_value;
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