1 // Copyright 2016 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #include "core/fpdfapi/parser/cpdf_string.h" 8 9 #include <utility> 10 11 #include "core/fpdfapi/parser/fpdf_parser_decode.h" 12 #include "core/fxcrt/fx_stream.h" 13 #include "third_party/base/ptr_util.h" 14 15 CPDF_String::CPDF_String() : m_bHex(false) {} 16 17 CPDF_String::CPDF_String(WeakPtr<ByteStringPool> pPool, 18 const ByteString& str, 19 bool bHex) 20 : m_String(str), m_bHex(bHex) { 21 if (pPool) 22 m_String = pPool->Intern(m_String); 23 } 24 25 CPDF_String::CPDF_String(WeakPtr<ByteStringPool> pPool, const WideString& str) 26 : m_String(PDF_EncodeText(str)), m_bHex(false) { 27 if (pPool) 28 m_String = pPool->Intern(m_String); 29 } 30 31 CPDF_String::~CPDF_String() {} 32 33 CPDF_Object::Type CPDF_String::GetType() const { 34 return STRING; 35 } 36 37 std::unique_ptr<CPDF_Object> CPDF_String::Clone() const { 38 auto pRet = pdfium::MakeUnique<CPDF_String>(); 39 pRet->m_String = m_String; 40 pRet->m_bHex = m_bHex; 41 return std::move(pRet); 42 } 43 44 ByteString CPDF_String::GetString() const { 45 return m_String; 46 } 47 48 void CPDF_String::SetString(const ByteString& str) { 49 m_String = str; 50 } 51 52 bool CPDF_String::IsString() const { 53 return true; 54 } 55 56 CPDF_String* CPDF_String::AsString() { 57 return this; 58 } 59 60 const CPDF_String* CPDF_String::AsString() const { 61 return this; 62 } 63 64 WideString CPDF_String::GetUnicodeText() const { 65 return PDF_DecodeText(m_String); 66 } 67 68 bool CPDF_String::WriteTo(IFX_ArchiveStream* archive) const { 69 return archive->WriteString( 70 PDF_EncodeString(GetString(), IsHex()).AsStringView()); 71 } 72
