blob: e7f2a9dcd6b76a12dac2016cd65994aacf81dd50 [file] [log] [blame]
// Copyright 2016 PDFium Authors. All rights reserved.
// 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 <utility>
#include <vector>
#include "core/fpdfapi/edit/cpdf_encryptor.h"
#include "core/fpdfapi/parser/fpdf_parser_decode.h"
#include "core/fxcrt/fx_stream.h"
#include "third_party/base/ptr_util.h"
CPDF_String::CPDF_String() : m_bHex(false) {}
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, const WideString& str)
: m_String(PDF_EncodeText(str)), m_bHex(false) {
if (pPool)
m_String = pPool->Intern(m_String);
}
CPDF_String::~CPDF_String() {}
CPDF_Object::Type CPDF_String::GetType() const {
return STRING;
}
std::unique_ptr<CPDF_Object> CPDF_String::Clone() const {
auto pRet = pdfium::MakeUnique<CPDF_String>();
pRet->m_String = m_String;
pRet->m_bHex = m_bHex;
return std::move(pRet);
}
ByteString CPDF_String::GetString() const {
return m_String;
}
void CPDF_String::SetString(const ByteString& str) {
m_String = str;
}
bool CPDF_String::IsString() const {
return true;
}
CPDF_String* CPDF_String::AsString() {
return this;
}
const CPDF_String* CPDF_String::AsString() const {
return this;
}
WideString CPDF_String::GetUnicodeText() const {
return PDF_DecodeText(m_String);
}
bool CPDF_String::WriteTo(IFX_ArchiveStream* archive,
const CPDF_Encryptor* encryptor) const {
std::vector<uint8_t> encrypted_data;
pdfium::span<const uint8_t> data = m_String.AsRawSpan();
if (encryptor) {
encrypted_data = encryptor->Encrypt(data);
data = encrypted_data;
}
const ByteString content =
PDF_EncodeString(ByteString(data.data(), data.size()), IsHex());
return archive->WriteString(content.AsStringView());
}