blob: 25eedbfc91ab41b4273d55f229286070b065caa7 [file] [log] [blame]
// Copyright 2016 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "core/fpdfapi/parser/cpdf_string.h"
#include <stdint.h>
#include <utility>
#include "core/fpdfapi/parser/cpdf_encryptor.h"
#include "core/fpdfapi/parser/fpdf_parser_decode.h"
#include "core/fxcrt/data_vector.h"
#include "core/fxcrt/fx_stream.h"
CPDF_String::CPDF_String() = default;
CPDF_String::CPDF_String(WeakPtr<ByteStringPool> pPool,
const ByteString& str,
bool bHex)
: m_String(str), m_bHex(bHex) {
if (pPool)
m_String = pPool->Intern(m_String);
}
CPDF_String::CPDF_String(WeakPtr<ByteStringPool> pPool, WideStringView str)
: m_String(PDF_EncodeText(str)) {
if (pPool)
m_String = pPool->Intern(m_String);
}
CPDF_String::~CPDF_String() = default;
CPDF_Object::Type CPDF_String::GetType() const {
return kString;
}
RetainPtr<CPDF_Object> CPDF_String::Clone() const {
auto pRet = pdfium::MakeRetain<CPDF_String>();
pRet->m_String = m_String;
pRet->m_bHex = m_bHex;
return pRet;
}
ByteString CPDF_String::GetString() const {
return m_String;
}
void CPDF_String::SetString(const ByteString& str) {
m_String = str;
}
CPDF_String* CPDF_String::AsMutableString() {
return this;
}
WideString CPDF_String::GetUnicodeText() const {
return PDF_DecodeText(m_String.raw_span());
}
bool CPDF_String::WriteTo(IFX_ArchiveStream* archive,
const CPDF_Encryptor* encryptor) const {
DataVector<uint8_t> encrypted_data;
pdfium::span<const uint8_t> data = m_String.raw_span();
if (encryptor) {
encrypted_data = encryptor->Encrypt(data);
data = encrypted_data;
}
ByteStringView raw(data);
ByteString content =
m_bHex ? PDF_HexEncodeString(raw) : PDF_EncodeString(raw);
return archive->WriteString(content.AsStringView());
}
ByteString CPDF_String::EncodeString() const {
return m_bHex ? PDF_HexEncodeString(m_String.AsStringView())
: PDF_EncodeString(m_String.AsStringView());
}