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serenity/Userland/Libraries/LibPDF/Parser.h
Ali Mohammad Pur 5e1499d104 Everywhere: Rename {Deprecated => Byte}String
This commit un-deprecates DeprecatedString, and repurposes it as a byte
string.
As the null state has already been removed, there are no other
particularly hairy blockers in repurposing this type as a byte string
(what it _really_ is).

This commit is auto-generated:
  $ xs=$(ack -l \bDeprecatedString\b\|deprecated_string AK Userland \
    Meta Ports Ladybird Tests Kernel)
  $ perl -pie 's/\bDeprecatedString\b/ByteString/g;
    s/deprecated_string/byte_string/g' $xs
  $ clang-format --style=file -i \
    $(git diff --name-only | grep \.cpp\|\.h)
  $ gn format $(git ls-files '*.gn' '*.gni')
2023-12-17 18:25:10 +03:30

90 lines
2.5 KiB
C++

/*
* Copyright (c) 2021-2022, Matthew Olsson <mattco@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/SourceLocation.h>
#include <AK/WeakPtr.h>
#include <LibPDF/Object.h>
#include <LibPDF/Operator.h>
#include <LibPDF/Reader.h>
#include <LibPDF/XRefTable.h>
namespace PDF {
template<typename T, typename... Args>
static NonnullRefPtr<T> make_object(Args... args)
requires(IsBaseOf<Object, T>)
{
return adopt_ref(*new T(forward<Args>(args)...));
}
class Document;
class Parser {
public:
static PDFErrorOr<Vector<Operator>> parse_operators(Document*, ReadonlyBytes);
Parser(ReadonlyBytes);
Parser(Document*, ReadonlyBytes);
void set_document(WeakPtr<Document> const&);
ByteString parse_comment();
void move_by(size_t count) { m_reader.move_by(count); }
void move_to(size_t offset) { m_reader.move_to(offset); }
enum class CanBeIndirectValue {
No,
Yes
};
PDFErrorOr<Value> parse_value(CanBeIndirectValue = CanBeIndirectValue::Yes);
PDFErrorOr<Value> parse_possible_indirect_value_or_ref();
PDFErrorOr<NonnullRefPtr<IndirectValue>> parse_indirect_value(u32 index, u32 generation);
PDFErrorOr<NonnullRefPtr<IndirectValue>> parse_indirect_value();
PDFErrorOr<Value> parse_number();
PDFErrorOr<NonnullRefPtr<NameObject>> parse_name();
PDFErrorOr<NonnullRefPtr<StringObject>> parse_string();
PDFErrorOr<ByteString> parse_literal_string();
PDFErrorOr<ByteString> parse_hex_string();
PDFErrorOr<NonnullRefPtr<ArrayObject>> parse_array();
PDFErrorOr<HashMap<DeprecatedFlyString, Value>> parse_dict_contents_until(char const*);
PDFErrorOr<NonnullRefPtr<DictObject>> parse_dict();
PDFErrorOr<NonnullRefPtr<StreamObject>> parse_stream(NonnullRefPtr<DictObject> dict);
PDFErrorOr<Vector<Operator>> parse_operators();
void set_filters_enabled(bool enabled)
{
m_enable_filters = enabled;
}
void set_encryption_enabled(bool enabled)
{
m_enable_encryption = enabled;
}
void push_reference(Reference const& ref) { m_current_reference_stack.append(ref); }
void pop_reference() { m_current_reference_stack.take_last(); }
protected:
Error error(
ByteString const& message
#ifdef PDF_DEBUG
,
SourceLocation loc = SourceLocation::current()
#endif
) const;
Reader m_reader;
WeakPtr<Document> m_document;
Vector<Reference> m_current_reference_stack;
bool m_enable_encryption { true };
bool m_enable_filters { true };
};
};