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LibPDF: Propagate errors in Parser and Document

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Matthew Olsson 2022-03-05 17:30:55 -07:00 • committed by Andreas Kling
parent 7e1c823725
commit 73cf8205b4
16 changed files with 472 additions and 420 deletions
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29
Userland/Libraries/LibPDF/ObjectDerivatives.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2021, Matthew Olsson <mattco@serenityos.org>
* Copyright (c) 2021-2022, Matthew Olsson <mattco@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -10,25 +10,22 @@
namespace PDF {
NonnullRefPtr<Object> ArrayObject::get_object_at(Document* document, size_t index) const
{
return document->resolve_to<Object>(m_elements[index]);
}
NonnullRefPtr<Object> DictObject::get_object(Document* document, FlyString const& key) const
PDFErrorOr<NonnullRefPtr<Object>> DictObject::get_object(Document* document, FlyString const& key) const
{
return document->resolve_to<Object>(get_value(key));
}
#define DEFINE_ACCESSORS(class_name, snake_name) \
NonnullRefPtr<class_name> ArrayObject::get_##snake_name##_at(Document* document, size_t index) const \
{ \
return document->resolve_to<class_name>(m_elements[index]); \
} \
\
NonnullRefPtr<class_name> DictObject::get_##snake_name(Document* document, FlyString const& key) const \
{ \
return document->resolve_to<class_name>(get(key).value()); \
#define DEFINE_ACCESSORS(class_name, snake_name) \
PDFErrorOr<NonnullRefPtr<class_name>> ArrayObject::get_##snake_name##_at(Document* document, size_t index) const \
{ \
if (index >= m_elements.size()) \
return Error { Error::Type::Internal, "Out of bounds array access" }; \
return document->resolve_to<class_name>(m_elements[index]); \
} \
\
PDFErrorOr<NonnullRefPtr<class_name>> DictObject::get_##snake_name(Document* document, FlyString const& key) const \
{ \
return document->resolve_to<class_name>(get(key).value()); \
}
ENUMERATE_OBJECT_TYPES(DEFINE_ACCESSORS)
#undef DEFINE_INDEXER