diff options
Diffstat (limited to 'core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp')
| -rw-r--r-- | core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp | 2688 |
1 files changed, 1344 insertions, 1344 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp index 53cf892d7e..bd8b157bfa 100644 --- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp +++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp @@ -1,1344 +1,1344 @@ -// Copyright 2014 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 "../../../include/fpdfapi/fpdf_parser.h"
-void CPDF_Object::Release()
-{
- if (this == NULL) {
- return;
- }
- if (m_ObjNum) {
- return;
- }
- Destroy();
-}
-void CPDF_Object::Destroy()
-{
- switch (m_Type) {
- case PDFOBJ_STRING:
- delete (CPDF_String*)this;
- break;
- case PDFOBJ_NAME:
- delete (CPDF_Name*)this;
- break;
- case PDFOBJ_ARRAY:
- delete (CPDF_Array*)this;
- break;
- case PDFOBJ_DICTIONARY:
- delete (CPDF_Dictionary*)this;
- break;
- case PDFOBJ_STREAM:
- delete (CPDF_Stream*)this;
- break;
- default:
- delete this;
- }
-}
-CFX_ByteString CPDF_Object::GetString() const
-{
- if (this == NULL) {
- return CFX_ByteString();
- }
- switch (m_Type) {
- case PDFOBJ_BOOLEAN:
- return ((CPDF_Boolean*)this)->m_bValue ? "true" : "false";
- case PDFOBJ_NUMBER:
- return ((CPDF_Number*)this)->GetString();
- case PDFOBJ_STRING:
- return ((CPDF_String*)this)->m_String;
- case PDFOBJ_NAME:
- return ((CPDF_Name*)this)->m_Name;
- case PDFOBJ_REFERENCE: {
- CPDF_Reference* pRef = (CPDF_Reference*)(FX_LPVOID)this;
- if (pRef->m_pObjList == NULL) {
- break;
- }
- CPDF_Object* pObj = pRef->m_pObjList->GetIndirectObject(pRef->m_RefObjNum);
- if (pObj == NULL) {
- return CFX_ByteString();
- }
- return pObj->GetString();
- }
- }
- return CFX_ByteString();
-}
-CFX_ByteStringC CPDF_Object::GetConstString() const
-{
- if (this == NULL) {
- return CFX_ByteStringC();
- }
- switch (m_Type) {
- case PDFOBJ_STRING:
- return CFX_ByteStringC((FX_LPCBYTE)((CPDF_String*)this)->m_String, ((CPDF_String*)this)->m_String.GetLength());
- case PDFOBJ_NAME:
- return CFX_ByteStringC((FX_LPCBYTE)((CPDF_Name*)this)->m_Name, ((CPDF_Name*)this)->m_Name.GetLength());
- case PDFOBJ_REFERENCE: {
- CPDF_Reference* pRef = (CPDF_Reference*)(FX_LPVOID)this;
- if (pRef->m_pObjList == NULL) {
- break;
- }
- CPDF_Object* pObj = pRef->m_pObjList->GetIndirectObject(pRef->m_RefObjNum);
- if (pObj == NULL) {
- return CFX_ByteStringC();
- }
- return pObj->GetConstString();
- }
- }
- return CFX_ByteStringC();
-}
-FX_FLOAT CPDF_Object::GetNumber() const
-{
- if (this == NULL) {
- return 0;
- }
- switch (m_Type) {
- case PDFOBJ_NUMBER:
- return ((CPDF_Number*)this)->GetNumber();
- case PDFOBJ_REFERENCE: {
- CPDF_Reference* pRef = (CPDF_Reference*)(FX_LPVOID)this;
- if (pRef->m_pObjList == NULL) {
- break;
- }
- CPDF_Object* pObj = pRef->m_pObjList->GetIndirectObject(pRef->m_RefObjNum);
- if (pObj == NULL) {
- return 0;
- }
- return pObj->GetNumber();
- }
- }
- return 0;
-}
-FX_FLOAT CPDF_Object::GetNumber16() const
-{
- return GetNumber();
-}
-int CPDF_Object::GetInteger() const
-{
- if (this == NULL) {
- return 0;
- }
- switch (m_Type) {
- case PDFOBJ_BOOLEAN:
- return ((CPDF_Boolean*)this)->m_bValue;
- case PDFOBJ_NUMBER:
- return ((CPDF_Number*)this)->GetInteger();
- case PDFOBJ_REFERENCE: {
- CPDF_Reference* pRef = (CPDF_Reference*)(FX_LPVOID)this;
- PARSE_CONTEXT context;
- FXSYS_memset32(&context, 0, sizeof(PARSE_CONTEXT));
- if (pRef->m_pObjList == NULL) {
- return 0;
- }
- CPDF_Object* pObj = pRef->m_pObjList->GetIndirectObject(pRef->m_RefObjNum, &context);
- if (pObj == NULL) {
- return 0;
- }
- return pObj->GetInteger();
- }
- }
- return 0;
-}
-CPDF_Dictionary* CPDF_Object::GetDict() const
-{
- if (this == NULL) {
- return NULL;
- }
- switch (m_Type) {
- case PDFOBJ_DICTIONARY:
- return (CPDF_Dictionary*)this;
- case PDFOBJ_STREAM:
- return ((CPDF_Stream*)this)->GetDict();
- case PDFOBJ_REFERENCE: {
- CPDF_Reference* pRef = (CPDF_Reference*)this;
- if (pRef->m_pObjList == NULL) {
- break;
- }
- CPDF_Object* pObj = pRef->m_pObjList->GetIndirectObject(pRef->m_RefObjNum);
- if (pObj == NULL) {
- return NULL;
- }
- return pObj->GetDict();
- }
- }
- return NULL;
-}
-CPDF_Array* CPDF_Object::GetArray() const
-{
- if (this == NULL) {
- return NULL;
- }
- if (m_Type == PDFOBJ_ARRAY) {
- return (CPDF_Array*)this;
- }
- return NULL;
-}
-void CPDF_Object::SetString(const CFX_ByteString& str)
-{
- ASSERT(this != NULL);
- switch (m_Type) {
- case PDFOBJ_BOOLEAN:
- ((CPDF_Boolean*)this)->m_bValue = str == FX_BSTRC("true") ? 1 : 0;
- return;
- case PDFOBJ_NUMBER:
- ((CPDF_Number*)this)->SetString(str);
- return;
- case PDFOBJ_STRING:
- ((CPDF_String*)this)->m_String = str;
- return;
- case PDFOBJ_NAME:
- ((CPDF_Name*)this)->m_Name = str;
- return;
- }
- ASSERT(FALSE);
-}
-int CPDF_Object::GetDirectType() const
-{
- if (m_Type != PDFOBJ_REFERENCE) {
- return m_Type;
- }
- CPDF_Reference* pRef = (CPDF_Reference*)this;
- return pRef->m_pObjList->GetIndirectType(pRef->m_RefObjNum);
-}
-FX_BOOL CPDF_Object::IsIdentical(CPDF_Object* pOther) const
-{
- if (this == pOther) {
- return TRUE;
- }
- if (this == NULL || pOther == NULL) {
- return FALSE;
- }
- if (pOther->m_Type != m_Type) {
- if (m_Type == PDFOBJ_REFERENCE) {
- return GetDirect()->IsIdentical(pOther);
- } else if (pOther->m_Type == PDFOBJ_REFERENCE) {
- return IsIdentical(pOther->GetDirect());
- }
- return FALSE;
- }
- switch (m_Type) {
- case PDFOBJ_BOOLEAN:
- return (((CPDF_Boolean*)this)->Identical((CPDF_Boolean*)pOther));
- case PDFOBJ_NUMBER:
- return (((CPDF_Number*)this)->Identical((CPDF_Number*)pOther));
- case PDFOBJ_STRING:
- return (((CPDF_String*)this)->Identical((CPDF_String*)pOther));
- case PDFOBJ_NAME:
- return (((CPDF_Name*)this)->Identical((CPDF_Name*)pOther));
- case PDFOBJ_ARRAY:
- return (((CPDF_Array*)this)->Identical((CPDF_Array*)pOther));
- case PDFOBJ_DICTIONARY:
- return (((CPDF_Dictionary*)this)->Identical((CPDF_Dictionary*)pOther));
- case PDFOBJ_NULL:
- return TRUE;
- case PDFOBJ_STREAM:
- return (((CPDF_Stream*)this)->Identical((CPDF_Stream*)pOther));
- case PDFOBJ_REFERENCE:
- return (((CPDF_Reference*)this)->Identical((CPDF_Reference*)pOther));
- }
- return FALSE;
-}
-CPDF_Object* CPDF_Object::GetDirect() const
-{
- if (this == NULL) {
- return NULL;
- }
- if (m_Type != PDFOBJ_REFERENCE) {
- return (CPDF_Object*)this;
- }
- CPDF_Reference* pRef = (CPDF_Reference*)(FX_LPVOID)this;
- if (pRef->m_pObjList == NULL) {
- return NULL;
- }
- return pRef->m_pObjList->GetIndirectObject(pRef->m_RefObjNum);
-}
-CPDF_Object* CPDF_Object::Clone(FX_BOOL bDirect) const
-{
- CFX_MapPtrToPtr visited;
- return CloneInternal(bDirect, &visited);
-}
-CPDF_Object* CPDF_Object::CloneInternal(FX_BOOL bDirect, CFX_MapPtrToPtr* visited) const
-{
- if (this == NULL) {
- return NULL;
- }
- switch (m_Type) {
- case PDFOBJ_BOOLEAN:
- return FX_NEW CPDF_Boolean(((CPDF_Boolean*)this)->m_bValue);
- case PDFOBJ_NUMBER:
- return FX_NEW CPDF_Number(((CPDF_Number*)this)->m_bInteger, &((CPDF_Number*)this)->m_Integer);
- case PDFOBJ_STRING:
- return FX_NEW CPDF_String(((CPDF_String*)this)->m_String, ((CPDF_String*)this)->IsHex());
- case PDFOBJ_NAME:
- return FX_NEW CPDF_Name(((CPDF_Name*)this)->m_Name);
- case PDFOBJ_ARRAY: {
- CPDF_Array* pCopy = FX_NEW CPDF_Array();
- CPDF_Array* pThis = (CPDF_Array*)this;
- int n = pThis->GetCount();
- for (int i = 0; i < n; i ++) {
- CPDF_Object* value = (CPDF_Object*)pThis->m_Objects.GetAt(i);
- pCopy->m_Objects.Add(value->CloneInternal(bDirect, visited));
- }
- return pCopy;
- }
- case PDFOBJ_DICTIONARY: {
- CPDF_Dictionary* pCopy = FX_NEW CPDF_Dictionary();
- CPDF_Dictionary* pThis = (CPDF_Dictionary*)this;
- FX_POSITION pos = pThis->m_Map.GetStartPosition();
- while (pos) {
- CFX_ByteString key;
- CPDF_Object* value;
- pThis->m_Map.GetNextAssoc(pos, key, (void*&)value);
- pCopy->m_Map.SetAt(key, value->CloneInternal(bDirect, visited));
- }
- return pCopy;
- }
- case PDFOBJ_NULL: {
- return FX_NEW CPDF_Null;
- }
- case PDFOBJ_STREAM: {
- CPDF_Stream* pThis = (CPDF_Stream*)this;
- CPDF_StreamAcc acc;
- acc.LoadAllData(pThis, TRUE);
- FX_DWORD streamSize = acc.GetSize();
- CPDF_Stream* pObj = FX_NEW CPDF_Stream(acc.DetachData(), streamSize, (CPDF_Dictionary*)((CPDF_Object*)pThis->GetDict())->CloneInternal(bDirect, visited));
- return pObj;
- }
- case PDFOBJ_REFERENCE: {
- CPDF_Reference* pRef = (CPDF_Reference*)this;
- FX_DWORD obj_num = pRef->m_RefObjNum;
- if (bDirect && !visited->GetValueAt((void*)(FX_UINTPTR)obj_num)) {
- visited->SetAt((void*)(FX_UINTPTR)obj_num, (void*)1);
- CPDF_Object* ret = pRef->GetDirect()->CloneInternal(TRUE, visited);
- return ret;
- } else {
- return FX_NEW CPDF_Reference(pRef->m_pObjList, obj_num);
- }
- }
- }
- return NULL;
-}
-CPDF_Object* CPDF_Object::CloneRef(CPDF_IndirectObjects* pDoc) const
-{
- if (this == NULL) {
- return NULL;
- }
- if (m_ObjNum) {
- return FX_NEW CPDF_Reference(pDoc, m_ObjNum);
- }
- return Clone();
-}
-CFX_WideString CPDF_Object::GetUnicodeText(CFX_CharMap* pCharMap) const
-{
- if (this == NULL) {
- return CFX_WideString();
- }
- if (m_Type == PDFOBJ_STRING) {
- return PDF_DecodeText(((CPDF_String*)this)->m_String, pCharMap);
- } else if (m_Type == PDFOBJ_STREAM) {
- CPDF_StreamAcc stream;
- stream.LoadAllData((CPDF_Stream*)this, FALSE);
- CFX_WideString result = PDF_DecodeText(stream.GetData(), stream.GetSize(), pCharMap);
- return result;
- } else if (m_Type == PDFOBJ_NAME) {
- return PDF_DecodeText(((CPDF_Name*)this)->m_Name, pCharMap);
- }
- return CFX_WideString();
-}
-void CPDF_Object::SetUnicodeText(FX_LPCWSTR pUnicodes, int len)
-{
- if (this == NULL) {
- return;
- }
- if (m_Type == PDFOBJ_STRING) {
- ((CPDF_String*)this)->m_String = PDF_EncodeText(pUnicodes, len);
- } else if (m_Type == PDFOBJ_STREAM) {
- CFX_ByteString result = PDF_EncodeText(pUnicodes, len);
- ((CPDF_Stream*)this)->SetData((FX_LPBYTE)(FX_LPCSTR)result, result.GetLength(), FALSE, FALSE);
- }
-}
-CPDF_Number::CPDF_Number(int value)
-{
- m_Type = PDFOBJ_NUMBER;
- m_bInteger = TRUE;
- m_Integer = value;
-}
-CPDF_Number::CPDF_Number(FX_FLOAT value)
-{
- m_Type = PDFOBJ_NUMBER;
- m_bInteger = FALSE;
- m_Float = value;
-}
-CPDF_Number::CPDF_Number(FX_BOOL bInteger, void* pData)
-{
- m_Type = PDFOBJ_NUMBER;
- m_bInteger = bInteger;
- m_Integer = *(int*)pData;
-}
-extern void FX_atonum(FX_BSTR, FX_BOOL&, void*);
-CPDF_Number::CPDF_Number(FX_BSTR str)
-{
- m_Type = PDFOBJ_NUMBER;
- FX_atonum(str, m_bInteger, &m_Integer);
-}
-void CPDF_Number::SetString(FX_BSTR str)
-{
- FX_atonum(str, m_bInteger, &m_Integer);
-}
-FX_BOOL CPDF_Number::Identical(CPDF_Number* pOther) const
-{
- return m_bInteger == pOther->m_bInteger && m_Integer == pOther->m_Integer;
-}
-CFX_ByteString CPDF_Number::GetString() const
-{
- return m_bInteger ? CFX_ByteString::FormatInteger(m_Integer, FXFORMAT_SIGNED) : CFX_ByteString::FormatFloat(m_Float);
-}
-void CPDF_Number::SetNumber(FX_FLOAT value)
-{
- m_bInteger = FALSE;
- m_Float = value;
-}
-CPDF_String::CPDF_String(const CFX_WideString& str)
-{
- m_Type = PDFOBJ_STRING;
- m_String = PDF_EncodeText(str, str.GetLength());
- m_bHex = FALSE;
-}
-CPDF_Array::~CPDF_Array()
-{
- int size = m_Objects.GetSize();
- CPDF_Object** pList = (CPDF_Object**)m_Objects.GetData();
- for (int i = 0; i < size; i ++) {
- pList[i]->Release();
- }
-}
-CFX_FloatRect CPDF_Array::GetRect()
-{
- CFX_FloatRect rect;
- if (this == NULL || m_Type != PDFOBJ_ARRAY || m_Objects.GetSize() != 4) {
- return rect;
- }
- rect.left = GetNumber(0);
- rect.bottom = GetNumber(1);
- rect.right = GetNumber(2);
- rect.top = GetNumber(3);
- return rect;
-}
-CFX_AffineMatrix CPDF_Array::GetMatrix()
-{
- CFX_AffineMatrix matrix;
- if (this == NULL || m_Type != PDFOBJ_ARRAY || m_Objects.GetSize() != 6) {
- return matrix;
- }
- matrix.Set(GetNumber(0), GetNumber(1), GetNumber(2), GetNumber(3), GetNumber(4), GetNumber(5));
- return matrix;
-}
-CPDF_Object* CPDF_Array::GetElement(FX_DWORD i) const
-{
- if (this == NULL) {
- return NULL;
- }
- if (i >= (FX_DWORD)m_Objects.GetSize()) {
- return NULL;
- }
- return (CPDF_Object*)m_Objects.GetAt(i);
-}
-CPDF_Object* CPDF_Array::GetElementValue(FX_DWORD i) const
-{
- if (this == NULL) {
- return NULL;
- }
- if (i >= (FX_DWORD)m_Objects.GetSize()) {
- return NULL;
- }
- return ((CPDF_Object*)m_Objects.GetAt(i))->GetDirect();
-}
-CFX_ByteString CPDF_Array::GetString(FX_DWORD i) const
-{
- if (this && i < (FX_DWORD)m_Objects.GetSize()) {
- CPDF_Object* p = (CPDF_Object*)m_Objects.GetAt(i);
- return p->GetString();
- }
- return CFX_ByteString();
-}
-CFX_ByteStringC CPDF_Array::GetConstString(FX_DWORD i) const
-{
- if (this && i < (FX_DWORD)m_Objects.GetSize()) {
- CPDF_Object* p = (CPDF_Object*)m_Objects.GetAt(i);
- return p->GetConstString();
- }
- return CFX_ByteStringC();
-}
-int CPDF_Array::GetInteger(FX_DWORD i) const
-{
- if (this == NULL || i >= (FX_DWORD)m_Objects.GetSize()) {
- return 0;
- }
- CPDF_Object* p = (CPDF_Object*)m_Objects.GetAt(i);
- return p->GetInteger();
-}
-FX_FLOAT CPDF_Array::GetNumber(FX_DWORD i) const
-{
- if (this == NULL || i >= (FX_DWORD)m_Objects.GetSize()) {
- return 0;
- }
- CPDF_Object* p = (CPDF_Object*)m_Objects.GetAt(i);
- return p->GetNumber();
-}
-CPDF_Dictionary* CPDF_Array::GetDict(FX_DWORD i) const
-{
- CPDF_Object* p = GetElementValue(i);
- if (p == NULL) {
- return NULL;
- } else if (p->GetType() == PDFOBJ_DICTIONARY) {
- return (CPDF_Dictionary*)p;
- } else if (p->GetType() == PDFOBJ_STREAM) {
- return ((CPDF_Stream*)p)->GetDict();
- }
- return NULL;
-}
-CPDF_Stream* CPDF_Array::GetStream(FX_DWORD i) const
-{
- CPDF_Object* p = GetElementValue(i);
- if (p == NULL || p->GetType() != PDFOBJ_STREAM) {
- return NULL;
- }
- return (CPDF_Stream*)p;
-}
-CPDF_Array* CPDF_Array::GetArray(FX_DWORD i) const
-{
- CPDF_Object* p = GetElementValue(i);
- if (p == NULL || p->GetType() != PDFOBJ_ARRAY) {
- return NULL;
- }
- return (CPDF_Array*)p;
-}
-void CPDF_Array::RemoveAt(FX_DWORD i)
-{
- ASSERT(this != NULL && m_Type == PDFOBJ_ARRAY);
- if (i >= (FX_DWORD)m_Objects.GetSize()) {
- return;
- }
- CPDF_Object* p = (CPDF_Object*)m_Objects.GetAt(i);
- p->Release();
- m_Objects.RemoveAt(i);
-}
-void CPDF_Array::SetAt(FX_DWORD i, CPDF_Object* pObj, CPDF_IndirectObjects* pObjs)
-{
- ASSERT(this != NULL && m_Type == PDFOBJ_ARRAY);
- ASSERT(i < (FX_DWORD)m_Objects.GetSize());
- if (i >= (FX_DWORD)m_Objects.GetSize()) {
- return;
- }
- CPDF_Object* pOld = (CPDF_Object*)m_Objects.GetAt(i);
- pOld->Release();
- if (pObj->GetObjNum()) {
- ASSERT(pObjs != NULL);
- pObj = CPDF_Reference::Create(pObjs, pObj->GetObjNum());
- }
- m_Objects.SetAt(i, pObj);
-}
-void CPDF_Array::InsertAt(FX_DWORD index, CPDF_Object* pObj, CPDF_IndirectObjects* pObjs)
-{
- ASSERT(pObj != NULL);
- if (pObj->GetObjNum()) {
- ASSERT(pObjs != NULL);
- pObj = CPDF_Reference::Create(pObjs, pObj->GetObjNum());
- }
- m_Objects.InsertAt(index, pObj);
-}
-void CPDF_Array::Add(CPDF_Object* pObj, CPDF_IndirectObjects* pObjs)
-{
- ASSERT(pObj != NULL);
- if (pObj->GetObjNum()) {
- ASSERT(pObjs != NULL);
- pObj = CPDF_Reference::Create(pObjs, pObj->GetObjNum());
- }
- m_Objects.Add(pObj);
-}
-void CPDF_Array::AddName(const CFX_ByteString& str)
-{
- ASSERT(this != NULL && m_Type == PDFOBJ_ARRAY);
- Add(FX_NEW CPDF_Name(str));
-}
-void CPDF_Array::AddString(const CFX_ByteString& str)
-{
- ASSERT(this != NULL && m_Type == PDFOBJ_ARRAY);
- Add(FX_NEW CPDF_String(str));
-}
-void CPDF_Array::AddInteger(int i)
-{
- ASSERT(this != NULL && m_Type == PDFOBJ_ARRAY);
- Add(FX_NEW CPDF_Number(i));
-}
-void CPDF_Array::AddNumber(FX_FLOAT f)
-{
- ASSERT(this != NULL && m_Type == PDFOBJ_ARRAY);
- CPDF_Number* pNumber = FX_NEW CPDF_Number;
- pNumber->SetNumber(f);
- Add(pNumber);
-}
-void CPDF_Array::AddReference(CPDF_IndirectObjects* pDoc, FX_DWORD objnum)
-{
- ASSERT(this != NULL && m_Type == PDFOBJ_ARRAY);
- Add(FX_NEW CPDF_Reference(pDoc, objnum));
-}
-FX_BOOL CPDF_Array::Identical(CPDF_Array* pOther) const
-{
- if (m_Objects.GetSize() != pOther->m_Objects.GetSize()) {
- return FALSE;
- }
- for (int i = 0; i < m_Objects.GetSize(); i ++)
- if (!((CPDF_Object*)m_Objects[i])->IsIdentical((CPDF_Object*)pOther->m_Objects[i])) {
- return FALSE;
- }
- return TRUE;
-}
-CPDF_Dictionary::~CPDF_Dictionary()
-{
- FX_POSITION pos = m_Map.GetStartPosition();
- while (pos) {
- FX_LPVOID value = m_Map.GetNextValue(pos);
- ((CPDF_Object*)value)->Release();
- }
-}
-FX_POSITION CPDF_Dictionary::GetStartPos() const
-{
- return m_Map.GetStartPosition();
-}
-CPDF_Object* CPDF_Dictionary::GetNextElement(FX_POSITION& pos, CFX_ByteString& key) const
-{
- if (pos == NULL) {
- return NULL;
- }
- CPDF_Object* p;
- m_Map.GetNextAssoc(pos, key, (FX_LPVOID&)p);
- return p;
-}
-CPDF_Object* CPDF_Dictionary::GetElement(FX_BSTR key) const
-{
- if (this == NULL) {
- return NULL;
- }
- CPDF_Object* p = NULL;
- m_Map.Lookup(key, (void*&)p);
- return p;
-}
-CPDF_Object* CPDF_Dictionary::GetElementValue(FX_BSTR key) const
-{
- if (this == NULL) {
- return NULL;
- }
- CPDF_Object* p = NULL;
- m_Map.Lookup(key, (void*&)p);
- return p->GetDirect();
-}
-CFX_ByteString CPDF_Dictionary::GetString(FX_BSTR key) const
-{
- if (this) {
- CPDF_Object* p = NULL;
- m_Map.Lookup(key, (void*&)p);
- if (p) {
- return p->GetString();
- }
- }
- return CFX_ByteString();
-}
-CFX_ByteStringC CPDF_Dictionary::GetConstString(FX_BSTR key) const
-{
- if (this) {
- CPDF_Object* p = NULL;
- m_Map.Lookup(key, (void*&)p);
- if (p) {
- return p->GetConstString();
- }
- }
- return CFX_ByteStringC();
-}
-CFX_WideString CPDF_Dictionary::GetUnicodeText(FX_BSTR key, CFX_CharMap* pCharMap) const
-{
- if (this) {
- CPDF_Object* p = NULL;
- m_Map.Lookup(key, (void*&)p);
- if (p) {
- if(p->GetType() == PDFOBJ_REFERENCE) {
- p = ((CPDF_Reference*)p)->GetDirect();
- return p->GetUnicodeText(pCharMap);
- } else {
- return p->GetUnicodeText(pCharMap);
- }
- }
- }
- return CFX_WideString();
-}
-CFX_ByteString CPDF_Dictionary::GetString(FX_BSTR key, FX_BSTR def) const
-{
- if (this) {
- CPDF_Object* p = NULL;
- m_Map.Lookup(key, (void*&)p);
- if (p) {
- return p->GetString();
- }
- }
- return CFX_ByteString(def);
-}
-CFX_ByteStringC CPDF_Dictionary::GetConstString(FX_BSTR key, FX_BSTR def) const
-{
- if (this) {
- CPDF_Object* p = NULL;
- m_Map.Lookup(key, (void*&)p);
- if (p) {
- return p->GetConstString();
- }
- }
- return CFX_ByteStringC(def);
-}
-int CPDF_Dictionary::GetInteger(FX_BSTR key) const
-{
- if (this) {
- CPDF_Object* p = NULL;
- m_Map.Lookup(key, (void*&)p);
- if (p) {
- return p->GetInteger();
- }
- }
- return 0;
-}
-int CPDF_Dictionary::GetInteger(FX_BSTR key, int def) const
-{
- if (this) {
- CPDF_Object* p = NULL;
- m_Map.Lookup(key, (void*&)p);
- if (p) {
- return p->GetInteger();
- }
- }
- return def;
-}
-FX_FLOAT CPDF_Dictionary::GetNumber(FX_BSTR key) const
-{
- if (this) {
- CPDF_Object* p = NULL;
- m_Map.Lookup(key, (void*&)p);
- if (p) {
- return p->GetNumber();
- }
- }
- return 0;
-}
-FX_BOOL CPDF_Dictionary::GetBoolean(FX_BSTR key, FX_BOOL bDefault) const
-{
- if (this) {
- CPDF_Object* p = NULL;
- m_Map.Lookup(key, (void*&)p);
- if (p && p->GetType() == PDFOBJ_BOOLEAN) {
- return p->GetInteger();
- }
- }
- return bDefault;
-}
-CPDF_Dictionary* CPDF_Dictionary::GetDict(FX_BSTR key) const
-{
- CPDF_Object* p = GetElementValue(key);
- if (p == NULL) {
- return NULL;
- } else if (p->GetType() == PDFOBJ_DICTIONARY) {
- return (CPDF_Dictionary*)p;
- } else if (p->GetType() == PDFOBJ_STREAM) {
- return ((CPDF_Stream*)p)->GetDict();
- }
- return NULL;
-}
-CPDF_Array* CPDF_Dictionary::GetArray(FX_BSTR key) const
-{
- CPDF_Object* p = GetElementValue(key);
- if (p == NULL || p->GetType() != PDFOBJ_ARRAY) {
- return NULL;
- }
- return (CPDF_Array*)p;
-}
-CPDF_Stream* CPDF_Dictionary::GetStream(FX_BSTR key) const
-{
- CPDF_Object* p = GetElementValue(key);
- if (p == NULL || p->GetType() != PDFOBJ_STREAM) {
- return NULL;
- }
- return (CPDF_Stream*)p;
-}
-CFX_FloatRect CPDF_Dictionary::GetRect(FX_BSTR key) const
-{
- CFX_FloatRect rect;
- CPDF_Array* pArray = GetArray(key);
- if (pArray) {
- rect = pArray->GetRect();
- }
- return rect;
-}
-CFX_AffineMatrix CPDF_Dictionary::GetMatrix(FX_BSTR key) const
-{
- CFX_AffineMatrix matrix;
- CPDF_Array* pArray = GetArray(key);
- if (pArray) {
- matrix = pArray->GetMatrix();
- }
- return matrix;
-}
-FX_BOOL CPDF_Dictionary::KeyExist(FX_BSTR key) const
-{
- if (this == NULL) {
- return FALSE;
- }
- FX_LPVOID value;
- return m_Map.Lookup(key, value);
-}
-void CPDF_Dictionary::SetAt(FX_BSTR key, CPDF_Object* pObj, CPDF_IndirectObjects* pObjs)
-{
- ASSERT(this != NULL && m_Type == PDFOBJ_DICTIONARY);
- CPDF_Object* p = NULL;
- m_Map.Lookup(key, (void*&)p);
- if (p == pObj) {
- return;
- }
- if (p) {
- p->Release();
- }
- if (pObj) {
- if (pObj->GetObjNum()) {
- ASSERT(pObjs != NULL);
- pObj = CPDF_Reference::Create(pObjs, pObj->GetObjNum());
- }
- m_Map.SetAt(key, pObj);
- } else {
- m_Map.RemoveKey(key);
- }
-}
-void CPDF_Dictionary::AddValue(FX_BSTR key, CPDF_Object* pObj)
-{
- ASSERT(this != NULL && m_Type == PDFOBJ_DICTIONARY);
- m_Map.AddValue(key, pObj);
-}
-void CPDF_Dictionary::RemoveAt(FX_BSTR key)
-{
- ASSERT(this != NULL && m_Type == PDFOBJ_DICTIONARY);
- CPDF_Object* p = NULL;
- m_Map.Lookup(key, (void*&)p);
- if (p == NULL) {
- return;
- }
- p->Release();
- m_Map.RemoveKey(key);
-}
-void CPDF_Dictionary::ReplaceKey(FX_BSTR oldkey, FX_BSTR newkey)
-{
- ASSERT(this != NULL && m_Type == PDFOBJ_DICTIONARY);
- CPDF_Object* p = NULL;
- m_Map.Lookup(oldkey, (void*&)p);
- if (p == NULL) {
- return;
- }
- m_Map.RemoveKey(oldkey);
- m_Map.SetAt(newkey, p);
-}
-FX_BOOL CPDF_Dictionary::Identical(CPDF_Dictionary* pOther) const
-{
- if (this == NULL) {
- if (pOther == NULL) {
- return TRUE;
- }
- return FALSE;
- }
- if (pOther == NULL) {
- return FALSE;
- }
- if (m_Map.GetCount() != pOther->m_Map.GetCount()) {
- return FALSE;
- }
- FX_POSITION pos = m_Map.GetStartPosition();
- while (pos) {
- CFX_ByteString key;
- FX_LPVOID value;
- m_Map.GetNextAssoc(pos, key, value);
- if (!((CPDF_Object*)value)->IsIdentical(pOther->GetElement(key))) {
- return FALSE;
- }
- }
- return TRUE;
-}
-void CPDF_Dictionary::SetAtInteger(FX_BSTR key, int i)
-{
- SetAt(key, FX_NEW CPDF_Number(i));
-}
-void CPDF_Dictionary::SetAtName(FX_BSTR key, const CFX_ByteString& name)
-{
- SetAt(key, FX_NEW CPDF_Name(name));
-}
-void CPDF_Dictionary::SetAtString(FX_BSTR key, const CFX_ByteString& str)
-{
- SetAt(key, FX_NEW CPDF_String(str));
-}
-void CPDF_Dictionary::SetAtReference(FX_BSTR key, CPDF_IndirectObjects* pDoc, FX_DWORD objnum)
-{
- SetAt(key, FX_NEW CPDF_Reference(pDoc, objnum));
-}
-void CPDF_Dictionary::AddReference(FX_BSTR key, CPDF_IndirectObjects* pDoc, FX_DWORD objnum)
-{
- AddValue(key, FX_NEW CPDF_Reference(pDoc, objnum));
-}
-void CPDF_Dictionary::SetAtNumber(FX_BSTR key, FX_FLOAT f)
-{
- CPDF_Number* pNumber = FX_NEW CPDF_Number;
- pNumber->SetNumber(f);
- SetAt(key, pNumber);
-}
-void CPDF_Dictionary::SetAtBoolean(FX_BSTR key, FX_BOOL bValue)
-{
- SetAt(key, FX_NEW CPDF_Boolean(bValue));
-}
-void CPDF_Dictionary::SetAtRect(FX_BSTR key, const CFX_FloatRect& rect)
-{
- CPDF_Array* pArray = FX_NEW CPDF_Array;
- pArray->AddNumber(rect.left);
- pArray->AddNumber(rect.bottom);
- pArray->AddNumber(rect.right);
- pArray->AddNumber(rect.top);
- SetAt(key, pArray);
-}
-void CPDF_Dictionary::SetAtMatrix(FX_BSTR key, const CFX_AffineMatrix& matrix)
-{
- CPDF_Array* pArray = FX_NEW CPDF_Array;
- pArray->AddNumber16(matrix.a);
- pArray->AddNumber16(matrix.b);
- pArray->AddNumber16(matrix.c);
- pArray->AddNumber16(matrix.d);
- pArray->AddNumber(matrix.e);
- pArray->AddNumber(matrix.f);
- SetAt(key, pArray);
-}
-CPDF_Stream::CPDF_Stream(FX_LPBYTE pData, FX_DWORD size, CPDF_Dictionary* pDict)
-{
- m_Type = PDFOBJ_STREAM;
- m_pDict = pDict;
- m_dwSize = size;
- m_GenNum = (FX_DWORD) - 1;
- m_pDataBuf = pData;
- m_pCryptoHandler = NULL;
-}
-CPDF_Stream::~CPDF_Stream()
-{
- if (m_GenNum == (FX_DWORD) - 1 && m_pDataBuf != NULL) {
- FX_Free(m_pDataBuf);
- }
- if (m_pDict) {
- m_pDict->Release();
- }
-}
-void CPDF_Stream::InitStream(CPDF_Dictionary* pDict)
-{
- if (pDict) {
- if (m_pDict) {
- m_pDict->Release();
- }
- m_pDict = pDict;
- }
- if (m_GenNum == (FX_DWORD) - 1) {
- if (m_pDataBuf) {
- FX_Free(m_pDataBuf);
- }
- }
- m_GenNum = 0;
- m_pFile = NULL;
- m_pCryptoHandler = NULL;
- m_FileOffset = 0;
-}
-void CPDF_Stream::InitStream(FX_LPBYTE pData, FX_DWORD size, CPDF_Dictionary* pDict)
-{
- InitStream(pDict);
- m_GenNum = (FX_DWORD) - 1;
- m_pDataBuf = FX_Alloc(FX_BYTE, size);
- if (pData) {
- FXSYS_memcpy32(m_pDataBuf, pData, size);
- }
- m_dwSize = size;
- if (m_pDict) {
- m_pDict->SetAtInteger(FX_BSTRC("Length"), size);
- }
-}
-void CPDF_Stream::SetData(FX_LPCBYTE pData, FX_DWORD size, FX_BOOL bCompressed, FX_BOOL bKeepBuf)
-{
- if (m_GenNum == (FX_DWORD) - 1) {
- if (m_pDataBuf) {
- FX_Free(m_pDataBuf);
- }
- } else {
- m_GenNum = (FX_DWORD) - 1;
- m_pCryptoHandler = NULL;
- }
- if (bKeepBuf) {
- m_pDataBuf = (FX_LPBYTE)pData;
- } else {
- m_pDataBuf = FX_Alloc(FX_BYTE, size);
- if (pData) {
- FXSYS_memcpy32(m_pDataBuf, pData, size);
- }
- }
- m_dwSize = size;
- if (m_pDict == NULL) {
- m_pDict = FX_NEW CPDF_Dictionary;
- }
- m_pDict->SetAtInteger(FX_BSTRC("Length"), size);
- if (!bCompressed) {
- m_pDict->RemoveAt(FX_BSTRC("Filter"));
- m_pDict->RemoveAt(FX_BSTRC("DecodeParms"));
- }
-}
-FX_BOOL CPDF_Stream::ReadRawData(FX_FILESIZE offset, FX_LPBYTE buf, FX_DWORD size) const
-{
- if ((m_GenNum != (FX_DWORD) - 1) && m_pFile) {
- return m_pFile->ReadBlock(buf, m_FileOffset + offset, size);
- }
- if (m_pDataBuf) {
- FXSYS_memcpy32(buf, m_pDataBuf + offset, size);
- }
- return TRUE;
-}
-void CPDF_Stream::InitStream(IFX_FileRead *pFile, CPDF_Dictionary* pDict)
-{
- InitStream(pDict);
- m_pFile = pFile;
- m_dwSize = (FX_DWORD)pFile->GetSize();
- if (m_pDict) {
- m_pDict->SetAtInteger(FX_BSTRC("Length"), m_dwSize);
- }
-}
-FX_BOOL CPDF_Stream::Identical(CPDF_Stream* pOther) const
-{
- if (!m_pDict->Identical(pOther->m_pDict)) {
- return FALSE;
- }
- if (m_dwSize != pOther->m_dwSize) {
- return FALSE;
- }
- if (m_GenNum != (FX_DWORD) - 1 && pOther->m_GenNum != (FX_DWORD) - 1) {
- if (m_pFile == pOther->m_pFile && m_pFile == NULL) {
- return TRUE;
- }
- if (!m_pFile || !pOther->m_pFile) {
- return FALSE;
- }
- FX_BYTE srcBuf[1024];
- FX_BYTE destBuf[1024];
- FX_DWORD size = m_dwSize;
- FX_DWORD srcOffset = m_FileOffset;
- FX_DWORD destOffset = pOther->m_FileOffset;
- if (m_pFile == pOther->m_pFile && srcOffset == destOffset) {
- return TRUE;
- }
- while (size > 0) {
- FX_DWORD actualSize = size > 1024 ? 1024 : size;
- m_pFile->ReadBlock(srcBuf, srcOffset, actualSize);
- pOther->m_pFile->ReadBlock(destBuf, destOffset, actualSize);
- if (FXSYS_memcmp32(srcBuf, destBuf, actualSize) != 0) {
- return FALSE;
- }
- size -= actualSize;
- srcOffset += actualSize;
- destOffset += actualSize;
- }
- return TRUE;
- }
- if (m_GenNum != (FX_DWORD) - 1 || pOther->m_GenNum != (FX_DWORD) - 1) {
- IFX_FileRead* pFile = NULL;
- FX_LPBYTE pBuf = NULL;
- FX_DWORD offset = 0;
- if (m_GenNum != (FX_DWORD) - 1) {
- pFile = m_pFile;
- pBuf = pOther->m_pDataBuf;
- offset = m_FileOffset;
- }
- if (pOther->m_GenNum != (FX_DWORD) - 1) {
- pFile = pOther->m_pFile;
- pBuf = m_pDataBuf;
- offset = pOther->m_FileOffset;
- }
- if (NULL == pBuf) {
- return FALSE;
- }
- FX_BYTE srcBuf[1024];
- FX_DWORD size = m_dwSize;
- while (size > 0) {
- FX_DWORD actualSize = size > 1024 ? 1024 : size;
- m_pFile->ReadBlock(srcBuf, offset, actualSize);
- if (FXSYS_memcmp32(srcBuf, pBuf, actualSize) != 0) {
- return FALSE;
- }
- pBuf += actualSize;
- size -= actualSize;
- offset += actualSize;
- }
- return TRUE;
- }
- return FXSYS_memcmp32(m_pDataBuf, pOther->m_pDataBuf, m_dwSize) == 0;
-}
-CPDF_Stream* CPDF_Stream::Clone(FX_BOOL bDirect, FPDF_LPFCloneStreamCallback lpfCallback, FX_LPVOID pUserData) const
-{
- CPDF_Dictionary *pCloneDict = (CPDF_Dictionary*)m_pDict->Clone(bDirect);
- IFX_FileStream *pFS = NULL;
- if (lpfCallback) {
- pFS = lpfCallback((CPDF_Stream*)this, pUserData);
- }
- if (!pFS) {
- CPDF_StreamAcc acc;
- acc.LoadAllData(this, TRUE);
- FX_DWORD streamSize = acc.GetSize();
- CPDF_Stream* pObj = FX_NEW CPDF_Stream(acc.DetachData(), streamSize, pCloneDict);
- return pObj;
- }
- CPDF_Stream* pObj = FX_NEW CPDF_Stream(NULL, 0, NULL);
- CPDF_StreamFilter *pSF = GetStreamFilter(TRUE);
- if (pSF) {
- FX_LPBYTE pBuf = FX_Alloc(FX_BYTE, 4096);
- FX_DWORD dwRead;
- do {
- dwRead = pSF->ReadBlock(pBuf, 4096);
- if (dwRead) {
- pFS->WriteBlock(pBuf, dwRead);
- }
- } while (dwRead == 4096);
- pFS->Flush();
- FX_Free(pBuf);
- delete pSF;
- }
- pObj->InitStream((IFX_FileRead*)pFS, pCloneDict);
- return pObj;
-}
-extern FX_BOOL PDF_DataDecode(FX_LPCBYTE src_buf, FX_DWORD src_size, const CPDF_Dictionary* pDict,
- FX_LPBYTE& dest_buf, FX_DWORD& dest_size, CFX_ByteString& ImageEncoding,
- CPDF_Dictionary*& pImageParms, FX_DWORD estimated_size, FX_BOOL bImageAcc);
-CPDF_StreamAcc::CPDF_StreamAcc()
-{
- m_bNewBuf = FALSE;
- m_pData = NULL;
- m_dwSize = 0;
- m_pImageParam = NULL;
- m_pStream = NULL;
- m_pSrcData = NULL;
-}
-void CPDF_StreamAcc::LoadAllData(const CPDF_Stream* pStream, FX_BOOL bRawAccess, FX_DWORD estimated_size,
- FX_BOOL bImageAcc)
-{
- if (pStream == NULL || pStream->GetType() != PDFOBJ_STREAM) {
- return;
- }
- m_pStream = pStream;
- if (pStream->IsMemoryBased() &&
- (!pStream->GetDict()->KeyExist(FX_BSTRC("Filter")) || bRawAccess)) {
- m_dwSize = pStream->m_dwSize;
- m_pData = (FX_LPBYTE)pStream->m_pDataBuf;
- return;
- }
- FX_LPBYTE pSrcData;
- FX_DWORD dwSrcSize = pStream->m_dwSize;
- if (dwSrcSize == 0) {
- return;
- }
- if (!pStream->IsMemoryBased()) {
- pSrcData = m_pSrcData = FX_Alloc(FX_BYTE, dwSrcSize);
- if (!pSrcData || !pStream->ReadRawData(0, pSrcData, dwSrcSize)) {
- return;
- }
- } else {
- pSrcData = pStream->m_pDataBuf;
- }
- FX_LPBYTE pDecryptedData;
- FX_DWORD dwDecryptedSize;
- if (pStream->m_pCryptoHandler) {
- CFX_BinaryBuf dest_buf;
- dest_buf.EstimateSize(pStream->m_pCryptoHandler->DecryptGetSize(dwSrcSize));
- FX_LPVOID context = pStream->m_pCryptoHandler->DecryptStart(pStream->GetObjNum(), pStream->m_GenNum);
- pStream->m_pCryptoHandler->DecryptStream(context, pSrcData, dwSrcSize, dest_buf);
- pStream->m_pCryptoHandler->DecryptFinish(context, dest_buf);
- pDecryptedData = dest_buf.GetBuffer();
- dwDecryptedSize = dest_buf.GetSize();
- dest_buf.DetachBuffer();
- } else {
- pDecryptedData = pSrcData;
- dwDecryptedSize = dwSrcSize;
- }
- if (!pStream->GetDict()->KeyExist(FX_BSTRC("Filter")) || bRawAccess) {
- m_pData = pDecryptedData;
- m_dwSize = dwDecryptedSize;
- } else {
- FX_BOOL bRet = PDF_DataDecode(pDecryptedData, dwDecryptedSize, m_pStream->GetDict(),
- m_pData, m_dwSize, m_ImageDecoder, m_pImageParam, estimated_size, bImageAcc);
- if (!bRet) {
- m_pData = pDecryptedData;
- m_dwSize = dwDecryptedSize;
- }
- }
- if (pSrcData != pStream->m_pDataBuf && pSrcData != m_pData) {
- FX_Free(pSrcData);
- }
- if (pDecryptedData != pSrcData && pDecryptedData != m_pData) {
- FX_Free(pDecryptedData);
- }
- m_pSrcData = NULL;
- m_bNewBuf = m_pData != pStream->m_pDataBuf;
-}
-CPDF_StreamAcc::~CPDF_StreamAcc()
-{
- if (m_bNewBuf && m_pData) {
- FX_Free(m_pData);
- }
- if (m_pSrcData) {
- FX_Free(m_pSrcData);
- }
-}
-FX_LPCBYTE CPDF_StreamAcc::GetData() const
-{
- if (m_bNewBuf) {
- return m_pData;
- }
- if (!m_pStream) {
- return NULL;
- }
- return m_pStream->m_pDataBuf;
-}
-FX_DWORD CPDF_StreamAcc::GetSize() const
-{
- if (m_bNewBuf) {
- return m_dwSize;
- }
- if (!m_pStream) {
- return 0;
- }
- return m_pStream->m_dwSize;
-}
-FX_LPBYTE CPDF_StreamAcc::DetachData()
-{
- if (m_bNewBuf) {
- FX_LPBYTE p = m_pData;
- m_pData = NULL;
- m_dwSize = 0;
- return p;
- }
- FX_LPBYTE p = FX_Alloc(FX_BYTE, m_dwSize);
- if (p == NULL) {
- return NULL;
- }
- FXSYS_memcpy32(p, m_pData, m_dwSize);
- return p;
-}
-void CPDF_Reference::SetRef(CPDF_IndirectObjects* pDoc, FX_DWORD objnum)
-{
- m_pObjList = pDoc;
- m_RefObjNum = objnum;
-}
-CPDF_IndirectObjects::CPDF_IndirectObjects(IPDF_DocParser* pParser)
-{
- m_pParser = pParser;
- m_IndirectObjs.InitHashTable(1013);
- if (pParser) {
- m_LastObjNum = m_pParser->GetLastObjNum();
- } else {
- m_LastObjNum = 0;
- }
-}
-CPDF_IndirectObjects::~CPDF_IndirectObjects()
-{
- FX_POSITION pos = m_IndirectObjs.GetStartPosition();
- while (pos) {
- FX_LPVOID key, value;
- m_IndirectObjs.GetNextAssoc(pos, key, value);
- ((CPDF_Object*)value)->Destroy();
- }
-}
-CPDF_Object* CPDF_IndirectObjects::GetIndirectObject(FX_DWORD objnum, struct PARSE_CONTEXT* pContext)
-{
- if (objnum == 0) {
- return NULL;
- }
- FX_LPVOID value;
- {
- if (m_IndirectObjs.Lookup((FX_LPVOID)(FX_UINTPTR)objnum, value)) {
- if (((CPDF_Object*)value)->GetObjNum() == -1) {
- return NULL;
- }
- return (CPDF_Object*)value;
- }
- }
- CPDF_Object* pObj = NULL;
- if (m_pParser) {
- pObj = m_pParser->ParseIndirectObject(this, objnum, pContext);
- }
- if (pObj == NULL) {
- return NULL;
- }
- pObj->m_ObjNum = objnum;
- if (m_LastObjNum < objnum) {
- m_LastObjNum = objnum;
- }
- if (m_IndirectObjs.Lookup((FX_LPVOID)(FX_UINTPTR)objnum, value)) {
- if (value) {
- ((CPDF_Object *)value)->Destroy();
- }
- }
- m_IndirectObjs.SetAt((FX_LPVOID)(FX_UINTPTR)objnum, pObj);
- return pObj;
-}
-int CPDF_IndirectObjects::GetIndirectType(FX_DWORD objnum)
-{
- FX_LPVOID value;
- if (m_IndirectObjs.Lookup((FX_LPVOID)(FX_UINTPTR)objnum, value)) {
- return ((CPDF_Object*)value)->GetType();
- }
- if (m_pParser) {
- PARSE_CONTEXT context;
- FXSYS_memset32(&context, 0, sizeof(PARSE_CONTEXT));
- context.m_Flags = PDFPARSE_TYPEONLY;
- return (int)(FX_UINTPTR)m_pParser->ParseIndirectObject(this, objnum, &context);
- }
- return 0;
-}
-FX_DWORD CPDF_IndirectObjects::AddIndirectObject(CPDF_Object* pObj)
-{
- if (pObj->m_ObjNum) {
- return pObj->m_ObjNum;
- }
- m_LastObjNum ++;
- m_IndirectObjs.SetAt((FX_LPVOID)(FX_UINTPTR)m_LastObjNum, pObj);
- pObj->m_ObjNum = m_LastObjNum;
- return m_LastObjNum;
-}
-void CPDF_IndirectObjects::ReleaseIndirectObject(FX_DWORD objnum)
-{
- FX_LPVOID value;
- if (!m_IndirectObjs.Lookup((FX_LPVOID)(FX_UINTPTR)objnum, value)) {
- return;
- }
- if (((CPDF_Object*)value)->GetObjNum() == -1) {
- return;
- }
- ((CPDF_Object*)value)->Destroy();
- m_IndirectObjs.RemoveKey((FX_LPVOID)(FX_UINTPTR)objnum);
-}
-void CPDF_IndirectObjects::InsertIndirectObject(FX_DWORD objnum, CPDF_Object* pObj)
-{
- if (objnum == 0 || pObj == NULL) {
- return;
- }
- FX_LPVOID value;
- if (m_IndirectObjs.Lookup((FX_LPVOID)(FX_UINTPTR)objnum, value)) {
- ((CPDF_Object*)value)->Destroy();
- }
- pObj->m_ObjNum = objnum;
- m_IndirectObjs.SetAt((FX_LPVOID)(FX_UINTPTR)objnum, pObj);
- if (m_LastObjNum < objnum) {
- m_LastObjNum = objnum;
- }
-}
-FX_DWORD CPDF_IndirectObjects::GetLastObjNum() const
-{
- return m_LastObjNum;
-}
+// Copyright 2014 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 "../../../include/fpdfapi/fpdf_parser.h" +void CPDF_Object::Release() +{ + if (this == NULL) { + return; + } + if (m_ObjNum) { + return; + } + Destroy(); +} +void CPDF_Object::Destroy() +{ + switch (m_Type) { + case PDFOBJ_STRING: + delete (CPDF_String*)this; + break; + case PDFOBJ_NAME: + delete (CPDF_Name*)this; + break; + case PDFOBJ_ARRAY: + delete (CPDF_Array*)this; + break; + case PDFOBJ_DICTIONARY: + delete (CPDF_Dictionary*)this; + break; + case PDFOBJ_STREAM: + delete (CPDF_Stream*)this; + break; + default: + delete this; + } +} +CFX_ByteString CPDF_Object::GetString() const +{ + if (this == NULL) { + return CFX_ByteString(); + } + switch (m_Type) { + case PDFOBJ_BOOLEAN: + return ((CPDF_Boolean*)this)->m_bValue ? "true" : "false"; + case PDFOBJ_NUMBER: + return ((CPDF_Number*)this)->GetString(); + case PDFOBJ_STRING: + return ((CPDF_String*)this)->m_String; + case PDFOBJ_NAME: + return ((CPDF_Name*)this)->m_Name; + case PDFOBJ_REFERENCE: { + CPDF_Reference* pRef = (CPDF_Reference*)(FX_LPVOID)this; + if (pRef->m_pObjList == NULL) { + break; + } + CPDF_Object* pObj = pRef->m_pObjList->GetIndirectObject(pRef->m_RefObjNum); + if (pObj == NULL) { + return CFX_ByteString(); + } + return pObj->GetString(); + } + } + return CFX_ByteString(); +} +CFX_ByteStringC CPDF_Object::GetConstString() const +{ + if (this == NULL) { + return CFX_ByteStringC(); + } + switch (m_Type) { + case PDFOBJ_STRING: + return CFX_ByteStringC((FX_LPCBYTE)((CPDF_String*)this)->m_String, ((CPDF_String*)this)->m_String.GetLength()); + case PDFOBJ_NAME: + return CFX_ByteStringC((FX_LPCBYTE)((CPDF_Name*)this)->m_Name, ((CPDF_Name*)this)->m_Name.GetLength()); + case PDFOBJ_REFERENCE: { + CPDF_Reference* pRef = (CPDF_Reference*)(FX_LPVOID)this; + if (pRef->m_pObjList == NULL) { + break; + } + CPDF_Object* pObj = pRef->m_pObjList->GetIndirectObject(pRef->m_RefObjNum); + if (pObj == NULL) { + return CFX_ByteStringC(); + } + return pObj->GetConstString(); + } + } + return CFX_ByteStringC(); +} +FX_FLOAT CPDF_Object::GetNumber() const +{ + if (this == NULL) { + return 0; + } + switch (m_Type) { + case PDFOBJ_NUMBER: + return ((CPDF_Number*)this)->GetNumber(); + case PDFOBJ_REFERENCE: { + CPDF_Reference* pRef = (CPDF_Reference*)(FX_LPVOID)this; + if (pRef->m_pObjList == NULL) { + break; + } + CPDF_Object* pObj = pRef->m_pObjList->GetIndirectObject(pRef->m_RefObjNum); + if (pObj == NULL) { + return 0; + } + return pObj->GetNumber(); + } + } + return 0; +} +FX_FLOAT CPDF_Object::GetNumber16() const +{ + return GetNumber(); +} +int CPDF_Object::GetInteger() const +{ + if (this == NULL) { + return 0; + } + switch (m_Type) { + case PDFOBJ_BOOLEAN: + return ((CPDF_Boolean*)this)->m_bValue; + case PDFOBJ_NUMBER: + return ((CPDF_Number*)this)->GetInteger(); + case PDFOBJ_REFERENCE: { + CPDF_Reference* pRef = (CPDF_Reference*)(FX_LPVOID)this; + PARSE_CONTEXT context; + FXSYS_memset32(&context, 0, sizeof(PARSE_CONTEXT)); + if (pRef->m_pObjList == NULL) { + return 0; + } + CPDF_Object* pObj = pRef->m_pObjList->GetIndirectObject(pRef->m_RefObjNum, &context); + if (pObj == NULL) { + return 0; + } + return pObj->GetInteger(); + } + } + return 0; +} +CPDF_Dictionary* CPDF_Object::GetDict() const +{ + if (this == NULL) { + return NULL; + } + switch (m_Type) { + case PDFOBJ_DICTIONARY: + return (CPDF_Dictionary*)this; + case PDFOBJ_STREAM: + return ((CPDF_Stream*)this)->GetDict(); + case PDFOBJ_REFERENCE: { + CPDF_Reference* pRef = (CPDF_Reference*)this; + if (pRef->m_pObjList == NULL) { + break; + } + CPDF_Object* pObj = pRef->m_pObjList->GetIndirectObject(pRef->m_RefObjNum); + if (pObj == NULL) { + return NULL; + } + return pObj->GetDict(); + } + } + return NULL; +} +CPDF_Array* CPDF_Object::GetArray() const +{ + if (this == NULL) { + return NULL; + } + if (m_Type == PDFOBJ_ARRAY) { + return (CPDF_Array*)this; + } + return NULL; +} +void CPDF_Object::SetString(const CFX_ByteString& str) +{ + ASSERT(this != NULL); + switch (m_Type) { + case PDFOBJ_BOOLEAN: + ((CPDF_Boolean*)this)->m_bValue = str == FX_BSTRC("true") ? 1 : 0; + return; + case PDFOBJ_NUMBER: + ((CPDF_Number*)this)->SetString(str); + return; + case PDFOBJ_STRING: + ((CPDF_String*)this)->m_String = str; + return; + case PDFOBJ_NAME: + ((CPDF_Name*)this)->m_Name = str; + return; + } + ASSERT(FALSE); +} +int CPDF_Object::GetDirectType() const +{ + if (m_Type != PDFOBJ_REFERENCE) { + return m_Type; + } + CPDF_Reference* pRef = (CPDF_Reference*)this; + return pRef->m_pObjList->GetIndirectType(pRef->m_RefObjNum); +} +FX_BOOL CPDF_Object::IsIdentical(CPDF_Object* pOther) const +{ + if (this == pOther) { + return TRUE; + } + if (this == NULL || pOther == NULL) { + return FALSE; + } + if (pOther->m_Type != m_Type) { + if (m_Type == PDFOBJ_REFERENCE) { + return GetDirect()->IsIdentical(pOther); + } else if (pOther->m_Type == PDFOBJ_REFERENCE) { + return IsIdentical(pOther->GetDirect()); + } + return FALSE; + } + switch (m_Type) { + case PDFOBJ_BOOLEAN: + return (((CPDF_Boolean*)this)->Identical((CPDF_Boolean*)pOther)); + case PDFOBJ_NUMBER: + return (((CPDF_Number*)this)->Identical((CPDF_Number*)pOther)); + case PDFOBJ_STRING: + return (((CPDF_String*)this)->Identical((CPDF_String*)pOther)); + case PDFOBJ_NAME: + return (((CPDF_Name*)this)->Identical((CPDF_Name*)pOther)); + case PDFOBJ_ARRAY: + return (((CPDF_Array*)this)->Identical((CPDF_Array*)pOther)); + case PDFOBJ_DICTIONARY: + return (((CPDF_Dictionary*)this)->Identical((CPDF_Dictionary*)pOther)); + case PDFOBJ_NULL: + return TRUE; + case PDFOBJ_STREAM: + return (((CPDF_Stream*)this)->Identical((CPDF_Stream*)pOther)); + case PDFOBJ_REFERENCE: + return (((CPDF_Reference*)this)->Identical((CPDF_Reference*)pOther)); + } + return FALSE; +} +CPDF_Object* CPDF_Object::GetDirect() const +{ + if (this == NULL) { + return NULL; + } + if (m_Type != PDFOBJ_REFERENCE) { + return (CPDF_Object*)this; + } + CPDF_Reference* pRef = (CPDF_Reference*)(FX_LPVOID)this; + if (pRef->m_pObjList == NULL) { + return NULL; + } + return pRef->m_pObjList->GetIndirectObject(pRef->m_RefObjNum); +} +CPDF_Object* CPDF_Object::Clone(FX_BOOL bDirect) const +{ + CFX_MapPtrToPtr visited; + return CloneInternal(bDirect, &visited); +} +CPDF_Object* CPDF_Object::CloneInternal(FX_BOOL bDirect, CFX_MapPtrToPtr* visited) const +{ + if (this == NULL) { + return NULL; + } + switch (m_Type) { + case PDFOBJ_BOOLEAN: + return FX_NEW CPDF_Boolean(((CPDF_Boolean*)this)->m_bValue); + case PDFOBJ_NUMBER: + return FX_NEW CPDF_Number(((CPDF_Number*)this)->m_bInteger, &((CPDF_Number*)this)->m_Integer); + case PDFOBJ_STRING: + return FX_NEW CPDF_String(((CPDF_String*)this)->m_String, ((CPDF_String*)this)->IsHex()); + case PDFOBJ_NAME: + return FX_NEW CPDF_Name(((CPDF_Name*)this)->m_Name); + case PDFOBJ_ARRAY: { + CPDF_Array* pCopy = FX_NEW CPDF_Array(); + CPDF_Array* pThis = (CPDF_Array*)this; + int n = pThis->GetCount(); + for (int i = 0; i < n; i ++) { + CPDF_Object* value = (CPDF_Object*)pThis->m_Objects.GetAt(i); + pCopy->m_Objects.Add(value->CloneInternal(bDirect, visited)); + } + return pCopy; + } + case PDFOBJ_DICTIONARY: { + CPDF_Dictionary* pCopy = FX_NEW CPDF_Dictionary(); + CPDF_Dictionary* pThis = (CPDF_Dictionary*)this; + FX_POSITION pos = pThis->m_Map.GetStartPosition(); + while (pos) { + CFX_ByteString key; + CPDF_Object* value; + pThis->m_Map.GetNextAssoc(pos, key, (void*&)value); + pCopy->m_Map.SetAt(key, value->CloneInternal(bDirect, visited)); + } + return pCopy; + } + case PDFOBJ_NULL: { + return FX_NEW CPDF_Null; + } + case PDFOBJ_STREAM: { + CPDF_Stream* pThis = (CPDF_Stream*)this; + CPDF_StreamAcc acc; + acc.LoadAllData(pThis, TRUE); + FX_DWORD streamSize = acc.GetSize(); + CPDF_Stream* pObj = FX_NEW CPDF_Stream(acc.DetachData(), streamSize, (CPDF_Dictionary*)((CPDF_Object*)pThis->GetDict())->CloneInternal(bDirect, visited)); + return pObj; + } + case PDFOBJ_REFERENCE: { + CPDF_Reference* pRef = (CPDF_Reference*)this; + FX_DWORD obj_num = pRef->m_RefObjNum; + if (bDirect && !visited->GetValueAt((void*)(FX_UINTPTR)obj_num)) { + visited->SetAt((void*)(FX_UINTPTR)obj_num, (void*)1); + CPDF_Object* ret = pRef->GetDirect()->CloneInternal(TRUE, visited); + return ret; + } else { + return FX_NEW CPDF_Reference(pRef->m_pObjList, obj_num); + } + } + } + return NULL; +} +CPDF_Object* CPDF_Object::CloneRef(CPDF_IndirectObjects* pDoc) const +{ + if (this == NULL) { + return NULL; + } + if (m_ObjNum) { + return FX_NEW CPDF_Reference(pDoc, m_ObjNum); + } + return Clone(); +} +CFX_WideString CPDF_Object::GetUnicodeText(CFX_CharMap* pCharMap) const +{ + if (this == NULL) { + return CFX_WideString(); + } + if (m_Type == PDFOBJ_STRING) { + return PDF_DecodeText(((CPDF_String*)this)->m_String, pCharMap); + } else if (m_Type == PDFOBJ_STREAM) { + CPDF_StreamAcc stream; + stream.LoadAllData((CPDF_Stream*)this, FALSE); + CFX_WideString result = PDF_DecodeText(stream.GetData(), stream.GetSize(), pCharMap); + return result; + } else if (m_Type == PDFOBJ_NAME) { + return PDF_DecodeText(((CPDF_Name*)this)->m_Name, pCharMap); + } + return CFX_WideString(); +} +void CPDF_Object::SetUnicodeText(FX_LPCWSTR pUnicodes, int len) +{ + if (this == NULL) { + return; + } + if (m_Type == PDFOBJ_STRING) { + ((CPDF_String*)this)->m_String = PDF_EncodeText(pUnicodes, len); + } else if (m_Type == PDFOBJ_STREAM) { + CFX_ByteString result = PDF_EncodeText(pUnicodes, len); + ((CPDF_Stream*)this)->SetData((FX_LPBYTE)(FX_LPCSTR)result, result.GetLength(), FALSE, FALSE); + } +} +CPDF_Number::CPDF_Number(int value) +{ + m_Type = PDFOBJ_NUMBER; + m_bInteger = TRUE; + m_Integer = value; +} +CPDF_Number::CPDF_Number(FX_FLOAT value) +{ + m_Type = PDFOBJ_NUMBER; + m_bInteger = FALSE; + m_Float = value; +} +CPDF_Number::CPDF_Number(FX_BOOL bInteger, void* pData) +{ + m_Type = PDFOBJ_NUMBER; + m_bInteger = bInteger; + m_Integer = *(int*)pData; +} +extern void FX_atonum(FX_BSTR, FX_BOOL&, void*); +CPDF_Number::CPDF_Number(FX_BSTR str) +{ + m_Type = PDFOBJ_NUMBER; + FX_atonum(str, m_bInteger, &m_Integer); +} +void CPDF_Number::SetString(FX_BSTR str) +{ + FX_atonum(str, m_bInteger, &m_Integer); +} +FX_BOOL CPDF_Number::Identical(CPDF_Number* pOther) const +{ + return m_bInteger == pOther->m_bInteger && m_Integer == pOther->m_Integer; +} +CFX_ByteString CPDF_Number::GetString() const +{ + return m_bInteger ? CFX_ByteString::FormatInteger(m_Integer, FXFORMAT_SIGNED) : CFX_ByteString::FormatFloat(m_Float); +} +void CPDF_Number::SetNumber(FX_FLOAT value) +{ + m_bInteger = FALSE; + m_Float = value; +} +CPDF_String::CPDF_String(const CFX_WideString& str) +{ + m_Type = PDFOBJ_STRING; + m_String = PDF_EncodeText(str, str.GetLength()); + m_bHex = FALSE; +} +CPDF_Array::~CPDF_Array() +{ + int size = m_Objects.GetSize(); + CPDF_Object** pList = (CPDF_Object**)m_Objects.GetData(); + for (int i = 0; i < size; i ++) { + pList[i]->Release(); + } +} +CFX_FloatRect CPDF_Array::GetRect() +{ + CFX_FloatRect rect; + if (this == NULL || m_Type != PDFOBJ_ARRAY || m_Objects.GetSize() != 4) { + return rect; + } + rect.left = GetNumber(0); + rect.bottom = GetNumber(1); + rect.right = GetNumber(2); + rect.top = GetNumber(3); + return rect; +} +CFX_AffineMatrix CPDF_Array::GetMatrix() +{ + CFX_AffineMatrix matrix; + if (this == NULL || m_Type != PDFOBJ_ARRAY || m_Objects.GetSize() != 6) { + return matrix; + } + matrix.Set(GetNumber(0), GetNumber(1), GetNumber(2), GetNumber(3), GetNumber(4), GetNumber(5)); + return matrix; +} +CPDF_Object* CPDF_Array::GetElement(FX_DWORD i) const +{ + if (this == NULL) { + return NULL; + } + if (i >= (FX_DWORD)m_Objects.GetSize()) { + return NULL; + } + return (CPDF_Object*)m_Objects.GetAt(i); +} +CPDF_Object* CPDF_Array::GetElementValue(FX_DWORD i) const +{ + if (this == NULL) { + return NULL; + } + if (i >= (FX_DWORD)m_Objects.GetSize()) { + return NULL; + } + return ((CPDF_Object*)m_Objects.GetAt(i))->GetDirect(); +} +CFX_ByteString CPDF_Array::GetString(FX_DWORD i) const +{ + if (this && i < (FX_DWORD)m_Objects.GetSize()) { + CPDF_Object* p = (CPDF_Object*)m_Objects.GetAt(i); + return p->GetString(); + } + return CFX_ByteString(); +} +CFX_ByteStringC CPDF_Array::GetConstString(FX_DWORD i) const +{ + if (this && i < (FX_DWORD)m_Objects.GetSize()) { + CPDF_Object* p = (CPDF_Object*)m_Objects.GetAt(i); + return p->GetConstString(); + } + return CFX_ByteStringC(); +} +int CPDF_Array::GetInteger(FX_DWORD i) const +{ + if (this == NULL || i >= (FX_DWORD)m_Objects.GetSize()) { + return 0; + } + CPDF_Object* p = (CPDF_Object*)m_Objects.GetAt(i); + return p->GetInteger(); +} +FX_FLOAT CPDF_Array::GetNumber(FX_DWORD i) const +{ + if (this == NULL || i >= (FX_DWORD)m_Objects.GetSize()) { + return 0; + } + CPDF_Object* p = (CPDF_Object*)m_Objects.GetAt(i); + return p->GetNumber(); +} +CPDF_Dictionary* CPDF_Array::GetDict(FX_DWORD i) const +{ + CPDF_Object* p = GetElementValue(i); + if (p == NULL) { + return NULL; + } else if (p->GetType() == PDFOBJ_DICTIONARY) { + return (CPDF_Dictionary*)p; + } else if (p->GetType() == PDFOBJ_STREAM) { + return ((CPDF_Stream*)p)->GetDict(); + } + return NULL; +} +CPDF_Stream* CPDF_Array::GetStream(FX_DWORD i) const +{ + CPDF_Object* p = GetElementValue(i); + if (p == NULL || p->GetType() != PDFOBJ_STREAM) { + return NULL; + } + return (CPDF_Stream*)p; +} +CPDF_Array* CPDF_Array::GetArray(FX_DWORD i) const +{ + CPDF_Object* p = GetElementValue(i); + if (p == NULL || p->GetType() != PDFOBJ_ARRAY) { + return NULL; + } + return (CPDF_Array*)p; +} +void CPDF_Array::RemoveAt(FX_DWORD i) +{ + ASSERT(this != NULL && m_Type == PDFOBJ_ARRAY); + if (i >= (FX_DWORD)m_Objects.GetSize()) { + return; + } + CPDF_Object* p = (CPDF_Object*)m_Objects.GetAt(i); + p->Release(); + m_Objects.RemoveAt(i); +} +void CPDF_Array::SetAt(FX_DWORD i, CPDF_Object* pObj, CPDF_IndirectObjects* pObjs) +{ + ASSERT(this != NULL && m_Type == PDFOBJ_ARRAY); + ASSERT(i < (FX_DWORD)m_Objects.GetSize()); + if (i >= (FX_DWORD)m_Objects.GetSize()) { + return; + } + CPDF_Object* pOld = (CPDF_Object*)m_Objects.GetAt(i); + pOld->Release(); + if (pObj->GetObjNum()) { + ASSERT(pObjs != NULL); + pObj = CPDF_Reference::Create(pObjs, pObj->GetObjNum()); + } + m_Objects.SetAt(i, pObj); +} +void CPDF_Array::InsertAt(FX_DWORD index, CPDF_Object* pObj, CPDF_IndirectObjects* pObjs) +{ + ASSERT(pObj != NULL); + if (pObj->GetObjNum()) { + ASSERT(pObjs != NULL); + pObj = CPDF_Reference::Create(pObjs, pObj->GetObjNum()); + } + m_Objects.InsertAt(index, pObj); +} +void CPDF_Array::Add(CPDF_Object* pObj, CPDF_IndirectObjects* pObjs) +{ + ASSERT(pObj != NULL); + if (pObj->GetObjNum()) { + ASSERT(pObjs != NULL); + pObj = CPDF_Reference::Create(pObjs, pObj->GetObjNum()); + } + m_Objects.Add(pObj); +} +void CPDF_Array::AddName(const CFX_ByteString& str) +{ + ASSERT(this != NULL && m_Type == PDFOBJ_ARRAY); + Add(FX_NEW CPDF_Name(str)); +} +void CPDF_Array::AddString(const CFX_ByteString& str) +{ + ASSERT(this != NULL && m_Type == PDFOBJ_ARRAY); + Add(FX_NEW CPDF_String(str)); +} +void CPDF_Array::AddInteger(int i) +{ + ASSERT(this != NULL && m_Type == PDFOBJ_ARRAY); + Add(FX_NEW CPDF_Number(i)); +} +void CPDF_Array::AddNumber(FX_FLOAT f) +{ + ASSERT(this != NULL && m_Type == PDFOBJ_ARRAY); + CPDF_Number* pNumber = FX_NEW CPDF_Number; + pNumber->SetNumber(f); + Add(pNumber); +} +void CPDF_Array::AddReference(CPDF_IndirectObjects* pDoc, FX_DWORD objnum) +{ + ASSERT(this != NULL && m_Type == PDFOBJ_ARRAY); + Add(FX_NEW CPDF_Reference(pDoc, objnum)); +} +FX_BOOL CPDF_Array::Identical(CPDF_Array* pOther) const +{ + if (m_Objects.GetSize() != pOther->m_Objects.GetSize()) { + return FALSE; + } + for (int i = 0; i < m_Objects.GetSize(); i ++) + if (!((CPDF_Object*)m_Objects[i])->IsIdentical((CPDF_Object*)pOther->m_Objects[i])) { + return FALSE; + } + return TRUE; +} +CPDF_Dictionary::~CPDF_Dictionary() +{ + FX_POSITION pos = m_Map.GetStartPosition(); + while (pos) { + FX_LPVOID value = m_Map.GetNextValue(pos); + ((CPDF_Object*)value)->Release(); + } +} +FX_POSITION CPDF_Dictionary::GetStartPos() const +{ + return m_Map.GetStartPosition(); +} +CPDF_Object* CPDF_Dictionary::GetNextElement(FX_POSITION& pos, CFX_ByteString& key) const +{ + if (pos == NULL) { + return NULL; + } + CPDF_Object* p; + m_Map.GetNextAssoc(pos, key, (FX_LPVOID&)p); + return p; +} +CPDF_Object* CPDF_Dictionary::GetElement(FX_BSTR key) const +{ + if (this == NULL) { + return NULL; + } + CPDF_Object* p = NULL; + m_Map.Lookup(key, (void*&)p); + return p; +} +CPDF_Object* CPDF_Dictionary::GetElementValue(FX_BSTR key) const +{ + if (this == NULL) { + return NULL; + } + CPDF_Object* p = NULL; + m_Map.Lookup(key, (void*&)p); + return p->GetDirect(); +} +CFX_ByteString CPDF_Dictionary::GetString(FX_BSTR key) const +{ + if (this) { + CPDF_Object* p = NULL; + m_Map.Lookup(key, (void*&)p); + if (p) { + return p->GetString(); + } + } + return CFX_ByteString(); +} +CFX_ByteStringC CPDF_Dictionary::GetConstString(FX_BSTR key) const +{ + if (this) { + CPDF_Object* p = NULL; + m_Map.Lookup(key, (void*&)p); + if (p) { + return p->GetConstString(); + } + } + return CFX_ByteStringC(); +} +CFX_WideString CPDF_Dictionary::GetUnicodeText(FX_BSTR key, CFX_CharMap* pCharMap) const +{ + if (this) { + CPDF_Object* p = NULL; + m_Map.Lookup(key, (void*&)p); + if (p) { + if(p->GetType() == PDFOBJ_REFERENCE) { + p = ((CPDF_Reference*)p)->GetDirect(); + return p->GetUnicodeText(pCharMap); + } else { + return p->GetUnicodeText(pCharMap); + } + } + } + return CFX_WideString(); +} +CFX_ByteString CPDF_Dictionary::GetString(FX_BSTR key, FX_BSTR def) const +{ + if (this) { + CPDF_Object* p = NULL; + m_Map.Lookup(key, (void*&)p); + if (p) { + return p->GetString(); + } + } + return CFX_ByteString(def); +} +CFX_ByteStringC CPDF_Dictionary::GetConstString(FX_BSTR key, FX_BSTR def) const +{ + if (this) { + CPDF_Object* p = NULL; + m_Map.Lookup(key, (void*&)p); + if (p) { + return p->GetConstString(); + } + } + return CFX_ByteStringC(def); +} +int CPDF_Dictionary::GetInteger(FX_BSTR key) const +{ + if (this) { + CPDF_Object* p = NULL; + m_Map.Lookup(key, (void*&)p); + if (p) { + return p->GetInteger(); + } + } + return 0; +} +int CPDF_Dictionary::GetInteger(FX_BSTR key, int def) const +{ + if (this) { + CPDF_Object* p = NULL; + m_Map.Lookup(key, (void*&)p); + if (p) { + return p->GetInteger(); + } + } + return def; +} +FX_FLOAT CPDF_Dictionary::GetNumber(FX_BSTR key) const +{ + if (this) { + CPDF_Object* p = NULL; + m_Map.Lookup(key, (void*&)p); + if (p) { + return p->GetNumber(); + } + } + return 0; +} +FX_BOOL CPDF_Dictionary::GetBoolean(FX_BSTR key, FX_BOOL bDefault) const +{ + if (this) { + CPDF_Object* p = NULL; + m_Map.Lookup(key, (void*&)p); + if (p && p->GetType() == PDFOBJ_BOOLEAN) { + return p->GetInteger(); + } + } + return bDefault; +} +CPDF_Dictionary* CPDF_Dictionary::GetDict(FX_BSTR key) const +{ + CPDF_Object* p = GetElementValue(key); + if (p == NULL) { + return NULL; + } else if (p->GetType() == PDFOBJ_DICTIONARY) { + return (CPDF_Dictionary*)p; + } else if (p->GetType() == PDFOBJ_STREAM) { + return ((CPDF_Stream*)p)->GetDict(); + } + return NULL; +} +CPDF_Array* CPDF_Dictionary::GetArray(FX_BSTR key) const +{ + CPDF_Object* p = GetElementValue(key); + if (p == NULL || p->GetType() != PDFOBJ_ARRAY) { + return NULL; + } + return (CPDF_Array*)p; +} +CPDF_Stream* CPDF_Dictionary::GetStream(FX_BSTR key) const +{ + CPDF_Object* p = GetElementValue(key); + if (p == NULL || p->GetType() != PDFOBJ_STREAM) { + return NULL; + } + return (CPDF_Stream*)p; +} +CFX_FloatRect CPDF_Dictionary::GetRect(FX_BSTR key) const +{ + CFX_FloatRect rect; + CPDF_Array* pArray = GetArray(key); + if (pArray) { + rect = pArray->GetRect(); + } + return rect; +} +CFX_AffineMatrix CPDF_Dictionary::GetMatrix(FX_BSTR key) const +{ + CFX_AffineMatrix matrix; + CPDF_Array* pArray = GetArray(key); + if (pArray) { + matrix = pArray->GetMatrix(); + } + return matrix; +} +FX_BOOL CPDF_Dictionary::KeyExist(FX_BSTR key) const +{ + if (this == NULL) { + return FALSE; + } + FX_LPVOID value; + return m_Map.Lookup(key, value); +} +void CPDF_Dictionary::SetAt(FX_BSTR key, CPDF_Object* pObj, CPDF_IndirectObjects* pObjs) +{ + ASSERT(this != NULL && m_Type == PDFOBJ_DICTIONARY); + CPDF_Object* p = NULL; + m_Map.Lookup(key, (void*&)p); + if (p == pObj) { + return; + } + if (p) { + p->Release(); + } + if (pObj) { + if (pObj->GetObjNum()) { + ASSERT(pObjs != NULL); + pObj = CPDF_Reference::Create(pObjs, pObj->GetObjNum()); + } + m_Map.SetAt(key, pObj); + } else { + m_Map.RemoveKey(key); + } +} +void CPDF_Dictionary::AddValue(FX_BSTR key, CPDF_Object* pObj) +{ + ASSERT(this != NULL && m_Type == PDFOBJ_DICTIONARY); + m_Map.AddValue(key, pObj); +} +void CPDF_Dictionary::RemoveAt(FX_BSTR key) +{ + ASSERT(this != NULL && m_Type == PDFOBJ_DICTIONARY); + CPDF_Object* p = NULL; + m_Map.Lookup(key, (void*&)p); + if (p == NULL) { + return; + } + p->Release(); + m_Map.RemoveKey(key); +} +void CPDF_Dictionary::ReplaceKey(FX_BSTR oldkey, FX_BSTR newkey) +{ + ASSERT(this != NULL && m_Type == PDFOBJ_DICTIONARY); + CPDF_Object* p = NULL; + m_Map.Lookup(oldkey, (void*&)p); + if (p == NULL) { + return; + } + m_Map.RemoveKey(oldkey); + m_Map.SetAt(newkey, p); +} +FX_BOOL CPDF_Dictionary::Identical(CPDF_Dictionary* pOther) const +{ + if (this == NULL) { + if (pOther == NULL) { + return TRUE; + } + return FALSE; + } + if (pOther == NULL) { + return FALSE; + } + if (m_Map.GetCount() != pOther->m_Map.GetCount()) { + return FALSE; + } + FX_POSITION pos = m_Map.GetStartPosition(); + while (pos) { + CFX_ByteString key; + FX_LPVOID value; + m_Map.GetNextAssoc(pos, key, value); + if (!((CPDF_Object*)value)->IsIdentical(pOther->GetElement(key))) { + return FALSE; + } + } + return TRUE; +} +void CPDF_Dictionary::SetAtInteger(FX_BSTR key, int i) +{ + SetAt(key, FX_NEW CPDF_Number(i)); +} +void CPDF_Dictionary::SetAtName(FX_BSTR key, const CFX_ByteString& name) +{ + SetAt(key, FX_NEW CPDF_Name(name)); +} +void CPDF_Dictionary::SetAtString(FX_BSTR key, const CFX_ByteString& str) +{ + SetAt(key, FX_NEW CPDF_String(str)); +} +void CPDF_Dictionary::SetAtReference(FX_BSTR key, CPDF_IndirectObjects* pDoc, FX_DWORD objnum) +{ + SetAt(key, FX_NEW CPDF_Reference(pDoc, objnum)); +} +void CPDF_Dictionary::AddReference(FX_BSTR key, CPDF_IndirectObjects* pDoc, FX_DWORD objnum) +{ + AddValue(key, FX_NEW CPDF_Reference(pDoc, objnum)); +} +void CPDF_Dictionary::SetAtNumber(FX_BSTR key, FX_FLOAT f) +{ + CPDF_Number* pNumber = FX_NEW CPDF_Number; + pNumber->SetNumber(f); + SetAt(key, pNumber); +} +void CPDF_Dictionary::SetAtBoolean(FX_BSTR key, FX_BOOL bValue) +{ + SetAt(key, FX_NEW CPDF_Boolean(bValue)); +} +void CPDF_Dictionary::SetAtRect(FX_BSTR key, const CFX_FloatRect& rect) +{ + CPDF_Array* pArray = FX_NEW CPDF_Array; + pArray->AddNumber(rect.left); + pArray->AddNumber(rect.bottom); + pArray->AddNumber(rect.right); + pArray->AddNumber(rect.top); + SetAt(key, pArray); +} +void CPDF_Dictionary::SetAtMatrix(FX_BSTR key, const CFX_AffineMatrix& matrix) +{ + CPDF_Array* pArray = FX_NEW CPDF_Array; + pArray->AddNumber16(matrix.a); + pArray->AddNumber16(matrix.b); + pArray->AddNumber16(matrix.c); + pArray->AddNumber16(matrix.d); + pArray->AddNumber(matrix.e); + pArray->AddNumber(matrix.f); + SetAt(key, pArray); +} +CPDF_Stream::CPDF_Stream(FX_LPBYTE pData, FX_DWORD size, CPDF_Dictionary* pDict) +{ + m_Type = PDFOBJ_STREAM; + m_pDict = pDict; + m_dwSize = size; + m_GenNum = (FX_DWORD) - 1; + m_pDataBuf = pData; + m_pCryptoHandler = NULL; +} +CPDF_Stream::~CPDF_Stream() +{ + if (m_GenNum == (FX_DWORD) - 1 && m_pDataBuf != NULL) { + FX_Free(m_pDataBuf); + } + if (m_pDict) { + m_pDict->Release(); + } +} +void CPDF_Stream::InitStream(CPDF_Dictionary* pDict) +{ + if (pDict) { + if (m_pDict) { + m_pDict->Release(); + } + m_pDict = pDict; + } + if (m_GenNum == (FX_DWORD) - 1) { + if (m_pDataBuf) { + FX_Free(m_pDataBuf); + } + } + m_GenNum = 0; + m_pFile = NULL; + m_pCryptoHandler = NULL; + m_FileOffset = 0; +} +void CPDF_Stream::InitStream(FX_LPBYTE pData, FX_DWORD size, CPDF_Dictionary* pDict) +{ + InitStream(pDict); + m_GenNum = (FX_DWORD) - 1; + m_pDataBuf = FX_Alloc(FX_BYTE, size); + if (pData) { + FXSYS_memcpy32(m_pDataBuf, pData, size); + } + m_dwSize = size; + if (m_pDict) { + m_pDict->SetAtInteger(FX_BSTRC("Length"), size); + } +} +void CPDF_Stream::SetData(FX_LPCBYTE pData, FX_DWORD size, FX_BOOL bCompressed, FX_BOOL bKeepBuf) +{ + if (m_GenNum == (FX_DWORD) - 1) { + if (m_pDataBuf) { + FX_Free(m_pDataBuf); + } + } else { + m_GenNum = (FX_DWORD) - 1; + m_pCryptoHandler = NULL; + } + if (bKeepBuf) { + m_pDataBuf = (FX_LPBYTE)pData; + } else { + m_pDataBuf = FX_Alloc(FX_BYTE, size); + if (pData) { + FXSYS_memcpy32(m_pDataBuf, pData, size); + } + } + m_dwSize = size; + if (m_pDict == NULL) { + m_pDict = FX_NEW CPDF_Dictionary; + } + m_pDict->SetAtInteger(FX_BSTRC("Length"), size); + if (!bCompressed) { + m_pDict->RemoveAt(FX_BSTRC("Filter")); + m_pDict->RemoveAt(FX_BSTRC("DecodeParms")); + } +} +FX_BOOL CPDF_Stream::ReadRawData(FX_FILESIZE offset, FX_LPBYTE buf, FX_DWORD size) const +{ + if ((m_GenNum != (FX_DWORD) - 1) && m_pFile) { + return m_pFile->ReadBlock(buf, m_FileOffset + offset, size); + } + if (m_pDataBuf) { + FXSYS_memcpy32(buf, m_pDataBuf + offset, size); + } + return TRUE; +} +void CPDF_Stream::InitStream(IFX_FileRead *pFile, CPDF_Dictionary* pDict) +{ + InitStream(pDict); + m_pFile = pFile; + m_dwSize = (FX_DWORD)pFile->GetSize(); + if (m_pDict) { + m_pDict->SetAtInteger(FX_BSTRC("Length"), m_dwSize); + } +} +FX_BOOL CPDF_Stream::Identical(CPDF_Stream* pOther) const +{ + if (!m_pDict->Identical(pOther->m_pDict)) { + return FALSE; + } + if (m_dwSize != pOther->m_dwSize) { + return FALSE; + } + if (m_GenNum != (FX_DWORD) - 1 && pOther->m_GenNum != (FX_DWORD) - 1) { + if (m_pFile == pOther->m_pFile && m_pFile == NULL) { + return TRUE; + } + if (!m_pFile || !pOther->m_pFile) { + return FALSE; + } + FX_BYTE srcBuf[1024]; + FX_BYTE destBuf[1024]; + FX_DWORD size = m_dwSize; + FX_DWORD srcOffset = m_FileOffset; + FX_DWORD destOffset = pOther->m_FileOffset; + if (m_pFile == pOther->m_pFile && srcOffset == destOffset) { + return TRUE; + } + while (size > 0) { + FX_DWORD actualSize = size > 1024 ? 1024 : size; + m_pFile->ReadBlock(srcBuf, srcOffset, actualSize); + pOther->m_pFile->ReadBlock(destBuf, destOffset, actualSize); + if (FXSYS_memcmp32(srcBuf, destBuf, actualSize) != 0) { + return FALSE; + } + size -= actualSize; + srcOffset += actualSize; + destOffset += actualSize; + } + return TRUE; + } + if (m_GenNum != (FX_DWORD) - 1 || pOther->m_GenNum != (FX_DWORD) - 1) { + IFX_FileRead* pFile = NULL; + FX_LPBYTE pBuf = NULL; + FX_DWORD offset = 0; + if (m_GenNum != (FX_DWORD) - 1) { + pFile = m_pFile; + pBuf = pOther->m_pDataBuf; + offset = m_FileOffset; + } + if (pOther->m_GenNum != (FX_DWORD) - 1) { + pFile = pOther->m_pFile; + pBuf = m_pDataBuf; + offset = pOther->m_FileOffset; + } + if (NULL == pBuf) { + return FALSE; + } + FX_BYTE srcBuf[1024]; + FX_DWORD size = m_dwSize; + while (size > 0) { + FX_DWORD actualSize = size > 1024 ? 1024 : size; + m_pFile->ReadBlock(srcBuf, offset, actualSize); + if (FXSYS_memcmp32(srcBuf, pBuf, actualSize) != 0) { + return FALSE; + } + pBuf += actualSize; + size -= actualSize; + offset += actualSize; + } + return TRUE; + } + return FXSYS_memcmp32(m_pDataBuf, pOther->m_pDataBuf, m_dwSize) == 0; +} +CPDF_Stream* CPDF_Stream::Clone(FX_BOOL bDirect, FPDF_LPFCloneStreamCallback lpfCallback, FX_LPVOID pUserData) const +{ + CPDF_Dictionary *pCloneDict = (CPDF_Dictionary*)m_pDict->Clone(bDirect); + IFX_FileStream *pFS = NULL; + if (lpfCallback) { + pFS = lpfCallback((CPDF_Stream*)this, pUserData); + } + if (!pFS) { + CPDF_StreamAcc acc; + acc.LoadAllData(this, TRUE); + FX_DWORD streamSize = acc.GetSize(); + CPDF_Stream* pObj = FX_NEW CPDF_Stream(acc.DetachData(), streamSize, pCloneDict); + return pObj; + } + CPDF_Stream* pObj = FX_NEW CPDF_Stream(NULL, 0, NULL); + CPDF_StreamFilter *pSF = GetStreamFilter(TRUE); + if (pSF) { + FX_LPBYTE pBuf = FX_Alloc(FX_BYTE, 4096); + FX_DWORD dwRead; + do { + dwRead = pSF->ReadBlock(pBuf, 4096); + if (dwRead) { + pFS->WriteBlock(pBuf, dwRead); + } + } while (dwRead == 4096); + pFS->Flush(); + FX_Free(pBuf); + delete pSF; + } + pObj->InitStream((IFX_FileRead*)pFS, pCloneDict); + return pObj; +} +extern FX_BOOL PDF_DataDecode(FX_LPCBYTE src_buf, FX_DWORD src_size, const CPDF_Dictionary* pDict, + FX_LPBYTE& dest_buf, FX_DWORD& dest_size, CFX_ByteString& ImageEncoding, + CPDF_Dictionary*& pImageParms, FX_DWORD estimated_size, FX_BOOL bImageAcc); +CPDF_StreamAcc::CPDF_StreamAcc() +{ + m_bNewBuf = FALSE; + m_pData = NULL; + m_dwSize = 0; + m_pImageParam = NULL; + m_pStream = NULL; + m_pSrcData = NULL; +} +void CPDF_StreamAcc::LoadAllData(const CPDF_Stream* pStream, FX_BOOL bRawAccess, FX_DWORD estimated_size, + FX_BOOL bImageAcc) +{ + if (pStream == NULL || pStream->GetType() != PDFOBJ_STREAM) { + return; + } + m_pStream = pStream; + if (pStream->IsMemoryBased() && + (!pStream->GetDict()->KeyExist(FX_BSTRC("Filter")) || bRawAccess)) { + m_dwSize = pStream->m_dwSize; + m_pData = (FX_LPBYTE)pStream->m_pDataBuf; + return; + } + FX_LPBYTE pSrcData; + FX_DWORD dwSrcSize = pStream->m_dwSize; + if (dwSrcSize == 0) { + return; + } + if (!pStream->IsMemoryBased()) { + pSrcData = m_pSrcData = FX_Alloc(FX_BYTE, dwSrcSize); + if (!pSrcData || !pStream->ReadRawData(0, pSrcData, dwSrcSize)) { + return; + } + } else { + pSrcData = pStream->m_pDataBuf; + } + FX_LPBYTE pDecryptedData; + FX_DWORD dwDecryptedSize; + if (pStream->m_pCryptoHandler) { + CFX_BinaryBuf dest_buf; + dest_buf.EstimateSize(pStream->m_pCryptoHandler->DecryptGetSize(dwSrcSize)); + FX_LPVOID context = pStream->m_pCryptoHandler->DecryptStart(pStream->GetObjNum(), pStream->m_GenNum); + pStream->m_pCryptoHandler->DecryptStream(context, pSrcData, dwSrcSize, dest_buf); + pStream->m_pCryptoHandler->DecryptFinish(context, dest_buf); + pDecryptedData = dest_buf.GetBuffer(); + dwDecryptedSize = dest_buf.GetSize(); + dest_buf.DetachBuffer(); + } else { + pDecryptedData = pSrcData; + dwDecryptedSize = dwSrcSize; + } + if (!pStream->GetDict()->KeyExist(FX_BSTRC("Filter")) || bRawAccess) { + m_pData = pDecryptedData; + m_dwSize = dwDecryptedSize; + } else { + FX_BOOL bRet = PDF_DataDecode(pDecryptedData, dwDecryptedSize, m_pStream->GetDict(), + m_pData, m_dwSize, m_ImageDecoder, m_pImageParam, estimated_size, bImageAcc); + if (!bRet) { + m_pData = pDecryptedData; + m_dwSize = dwDecryptedSize; + } + } + if (pSrcData != pStream->m_pDataBuf && pSrcData != m_pData) { + FX_Free(pSrcData); + } + if (pDecryptedData != pSrcData && pDecryptedData != m_pData) { + FX_Free(pDecryptedData); + } + m_pSrcData = NULL; + m_bNewBuf = m_pData != pStream->m_pDataBuf; +} +CPDF_StreamAcc::~CPDF_StreamAcc() +{ + if (m_bNewBuf && m_pData) { + FX_Free(m_pData); + } + if (m_pSrcData) { + FX_Free(m_pSrcData); + } +} +FX_LPCBYTE CPDF_StreamAcc::GetData() const +{ + if (m_bNewBuf) { + return m_pData; + } + if (!m_pStream) { + return NULL; + } + return m_pStream->m_pDataBuf; +} +FX_DWORD CPDF_StreamAcc::GetSize() const +{ + if (m_bNewBuf) { + return m_dwSize; + } + if (!m_pStream) { + return 0; + } + return m_pStream->m_dwSize; +} +FX_LPBYTE CPDF_StreamAcc::DetachData() +{ + if (m_bNewBuf) { + FX_LPBYTE p = m_pData; + m_pData = NULL; + m_dwSize = 0; + return p; + } + FX_LPBYTE p = FX_Alloc(FX_BYTE, m_dwSize); + if (p == NULL) { + return NULL; + } + FXSYS_memcpy32(p, m_pData, m_dwSize); + return p; +} +void CPDF_Reference::SetRef(CPDF_IndirectObjects* pDoc, FX_DWORD objnum) +{ + m_pObjList = pDoc; + m_RefObjNum = objnum; +} +CPDF_IndirectObjects::CPDF_IndirectObjects(IPDF_DocParser* pParser) +{ + m_pParser = pParser; + m_IndirectObjs.InitHashTable(1013); + if (pParser) { + m_LastObjNum = m_pParser->GetLastObjNum(); + } else { + m_LastObjNum = 0; + } +} +CPDF_IndirectObjects::~CPDF_IndirectObjects() +{ + FX_POSITION pos = m_IndirectObjs.GetStartPosition(); + while (pos) { + FX_LPVOID key, value; + m_IndirectObjs.GetNextAssoc(pos, key, value); + ((CPDF_Object*)value)->Destroy(); + } +} +CPDF_Object* CPDF_IndirectObjects::GetIndirectObject(FX_DWORD objnum, struct PARSE_CONTEXT* pContext) +{ + if (objnum == 0) { + return NULL; + } + FX_LPVOID value; + { + if (m_IndirectObjs.Lookup((FX_LPVOID)(FX_UINTPTR)objnum, value)) { + if (((CPDF_Object*)value)->GetObjNum() == -1) { + return NULL; + } + return (CPDF_Object*)value; + } + } + CPDF_Object* pObj = NULL; + if (m_pParser) { + pObj = m_pParser->ParseIndirectObject(this, objnum, pContext); + } + if (pObj == NULL) { + return NULL; + } + pObj->m_ObjNum = objnum; + if (m_LastObjNum < objnum) { + m_LastObjNum = objnum; + } + if (m_IndirectObjs.Lookup((FX_LPVOID)(FX_UINTPTR)objnum, value)) { + if (value) { + ((CPDF_Object *)value)->Destroy(); + } + } + m_IndirectObjs.SetAt((FX_LPVOID)(FX_UINTPTR)objnum, pObj); + return pObj; +} +int CPDF_IndirectObjects::GetIndirectType(FX_DWORD objnum) +{ + FX_LPVOID value; + if (m_IndirectObjs.Lookup((FX_LPVOID)(FX_UINTPTR)objnum, value)) { + return ((CPDF_Object*)value)->GetType(); + } + if (m_pParser) { + PARSE_CONTEXT context; + FXSYS_memset32(&context, 0, sizeof(PARSE_CONTEXT)); + context.m_Flags = PDFPARSE_TYPEONLY; + return (int)(FX_UINTPTR)m_pParser->ParseIndirectObject(this, objnum, &context); + } + return 0; +} +FX_DWORD CPDF_IndirectObjects::AddIndirectObject(CPDF_Object* pObj) +{ + if (pObj->m_ObjNum) { + return pObj->m_ObjNum; + } + m_LastObjNum ++; + m_IndirectObjs.SetAt((FX_LPVOID)(FX_UINTPTR)m_LastObjNum, pObj); + pObj->m_ObjNum = m_LastObjNum; + return m_LastObjNum; +} +void CPDF_IndirectObjects::ReleaseIndirectObject(FX_DWORD objnum) +{ + FX_LPVOID value; + if (!m_IndirectObjs.Lookup((FX_LPVOID)(FX_UINTPTR)objnum, value)) { + return; + } + if (((CPDF_Object*)value)->GetObjNum() == -1) { + return; + } + ((CPDF_Object*)value)->Destroy(); + m_IndirectObjs.RemoveKey((FX_LPVOID)(FX_UINTPTR)objnum); +} +void CPDF_IndirectObjects::InsertIndirectObject(FX_DWORD objnum, CPDF_Object* pObj) +{ + if (objnum == 0 || pObj == NULL) { + return; + } + FX_LPVOID value; + if (m_IndirectObjs.Lookup((FX_LPVOID)(FX_UINTPTR)objnum, value)) { + ((CPDF_Object*)value)->Destroy(); + } + pObj->m_ObjNum = objnum; + m_IndirectObjs.SetAt((FX_LPVOID)(FX_UINTPTR)objnum, pObj); + if (m_LastObjNum < objnum) { + m_LastObjNum = objnum; + } +} +FX_DWORD CPDF_IndirectObjects::GetLastObjNum() const +{ + return m_LastObjNum; +} |