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
15CPDF_String::CPDF_String() : m_bHex(false) {}
16
17CPDF_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
25CPDF_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
31CPDF_String::~CPDF_String() {}
32
33CPDF_Object::Type CPDF_String::GetType() const {
34  return STRING;
35}
36
37std::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
44ByteString CPDF_String::GetString() const {
45  return m_String;
46}
47
48void CPDF_String::SetString(const ByteString& str) {
49  m_String = str;
50}
51
52bool CPDF_String::IsString() const {
53  return true;
54}
55
56CPDF_String* CPDF_String::AsString() {
57  return this;
58}
59
60const CPDF_String* CPDF_String::AsString() const {
61  return this;
62}
63
64WideString CPDF_String::GetUnicodeText() const {
65  return PDF_DecodeText(m_String);
66}
67
68bool CPDF_String::WriteTo(IFX_ArchiveStream* archive) const {
69  return archive->WriteString(
70      PDF_EncodeString(GetString(), IsHex()).AsStringView());
71}
72