Move core/fpdfapi/fpdf_parser to core/fpdfapi/parser

core/fpdfapi/fpdf_parser/cpdf_reference.cpp

-// 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/fpdf_parser/cpdf_reference.h"
-
-#include "core/fpdfapi/fpdf_parser/cpdf_indirect_object_holder.h"
-#include "third_party/base/stl_util.h"
-
-CPDF_Reference::CPDF_Reference(CPDF_IndirectObjectHolder* pDoc, int objnum)
-    : m_pObjList(pDoc), m_RefObjNum(objnum) {}
-
-CPDF_Reference::~CPDF_Reference() {}
-
-CPDF_Object::Type CPDF_Reference::GetType() const {
-  return REFERENCE;
-}
-
-CFX_ByteString CPDF_Reference::GetString() const {
-  CPDF_Object* obj = SafeGetDirect();
-  return obj ? obj->GetString() : CFX_ByteString();
-}
-
-FX_FLOAT CPDF_Reference::GetNumber() const {
-  CPDF_Object* obj = SafeGetDirect();
-  return obj ? obj->GetNumber() : 0;
-}
-
-int CPDF_Reference::GetInteger() const {
-  CPDF_Object* obj = SafeGetDirect();
-  return obj ? obj->GetInteger() : 0;
-}
-
-CPDF_Dictionary* CPDF_Reference::GetDict() const {
-  CPDF_Object* obj = SafeGetDirect();
-  return obj ? obj->GetDict() : nullptr;
-}
-
-bool CPDF_Reference::IsReference() const {
-  return true;
-}
-
-CPDF_Reference* CPDF_Reference::AsReference() {
-  return this;
-}
-
-const CPDF_Reference* CPDF_Reference::AsReference() const {
-  return this;
-}
-
-CPDF_Object* CPDF_Reference::Clone() const {
-  return CloneObjectNonCyclic(false);
-}
-
-CPDF_Object* CPDF_Reference::CloneNonCyclic(
-    bool bDirect,
-    std::set<const CPDF_Object*>* pVisited) const {
-  pVisited->insert(this);
-  if (bDirect) {
-    auto* pDirect = GetDirect();
-    return pDirect && !pdfium::ContainsKey(*pVisited, pDirect)
-               ? pDirect->CloneNonCyclic(true, pVisited)
-               : nullptr;
-  }
-  return new CPDF_Reference(m_pObjList, m_RefObjNum);
-}
-
-CPDF_Object* CPDF_Reference::SafeGetDirect() const {
-  CPDF_Object* obj = GetDirect();
-  return (obj && !obj->IsReference()) ? obj : nullptr;
-}
-
-void CPDF_Reference::SetRef(CPDF_IndirectObjectHolder* pDoc, uint32_t objnum) {
-  m_pObjList = pDoc;
-  m_RefObjNum = objnum;
-}
-
-CPDF_Object* CPDF_Reference::GetDirect() const {
-  return m_pObjList ? m_pObjList->GetOrParseIndirectObject(m_RefObjNum)
-                    : nullptr;
-}