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Unified Diff: core/src/fpdfapi/fpdf_parser/cpdf_array.cpp

Issue 1776913007: Split fpdf_parser_objects.cpp into per-class .cpp/.h files. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Address comments Created 4 years, 9 months ago
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Index: core/src/fpdfapi/fpdf_parser/cpdf_array.cpp
diff --git a/core/src/fpdfapi/fpdf_parser/cpdf_array.cpp b/core/src/fpdfapi/fpdf_parser/cpdf_array.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..3b21a45ae292f2c5cdea675e01f5d9fbf5818f57
--- /dev/null
+++ b/core/src/fpdfapi/fpdf_parser/cpdf_array.cpp
@@ -0,0 +1,207 @@
+// 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/include/fpdfapi/cpdf_array.h"
+
+#include "core/include/fpdfapi/cpdf_name.h"
+#include "core/include/fpdfapi/cpdf_number.h"
+#include "core/include/fpdfapi/cpdf_reference.h"
+#include "core/include/fpdfapi/cpdf_stream.h"
+#include "core/include/fpdfapi/cpdf_string.h"
+
+CPDF_Array::CPDF_Array() {}
+
+CPDF_Array::~CPDF_Array() {
+ int size = m_Objects.GetSize();
+ CPDF_Object** pList = m_Objects.GetData();
+ for (int i = 0; i < size; i++) {
+ if (pList[i])
+ pList[i]->Release();
+ }
+}
+
+CPDF_Object::Type CPDF_Array::GetType() const {
+ return ARRAY;
+}
+
+CPDF_Array* CPDF_Array::GetArray() const {
+ // The method should be made non-const if we want to not be const.
+ // See bug #234.
+ return const_cast<CPDF_Array*>(this);
+}
+
+bool CPDF_Array::IsArray() const {
+ return true;
+}
+
+CPDF_Array* CPDF_Array::AsArray() {
+ return this;
+}
+
+const CPDF_Array* CPDF_Array::AsArray() const {
+ return this;
+}
+
+CPDF_Object* CPDF_Array::Clone(FX_BOOL bDirect) const {
+ CPDF_Array* pCopy = new CPDF_Array();
+ for (int i = 0; i < GetCount(); i++) {
+ CPDF_Object* value = m_Objects.GetAt(i);
+ pCopy->m_Objects.Add(value->Clone(bDirect));
+ }
+ return pCopy;
+}
+
+CFX_FloatRect CPDF_Array::GetRect() {
+ CFX_FloatRect rect;
+ if (!IsArray() || m_Objects.GetSize() != 4)
+ return rect;
+
+ rect.left = GetNumberAt(0);
+ rect.bottom = GetNumberAt(1);
+ rect.right = GetNumberAt(2);
+ rect.top = GetNumberAt(3);
+ return rect;
+}
+
+CFX_Matrix CPDF_Array::GetMatrix() {
+ CFX_Matrix matrix;
+ if (!IsArray() || m_Objects.GetSize() != 6)
+ return matrix;
+
+ matrix.Set(GetNumberAt(0), GetNumberAt(1), GetNumberAt(2), GetNumberAt(3),
+ GetNumberAt(4), GetNumberAt(5));
+ return matrix;
+}
+
+CPDF_Object* CPDF_Array::GetElement(FX_DWORD i) const {
+ if (i >= (FX_DWORD)m_Objects.GetSize())
+ return nullptr;
+ return m_Objects.GetAt(i);
+}
+
+CPDF_Object* CPDF_Array::GetElementValue(FX_DWORD i) const {
+ if (i >= (FX_DWORD)m_Objects.GetSize())
+ return nullptr;
+ return m_Objects.GetAt(i)->GetDirect();
+}
+
+CFX_ByteString CPDF_Array::GetStringAt(FX_DWORD i) const {
+ if (i >= (FX_DWORD)m_Objects.GetSize())
+ return CFX_ByteString();
+ return m_Objects.GetAt(i)->GetString();
+}
+
+CFX_ByteStringC CPDF_Array::GetConstStringAt(FX_DWORD i) const {
+ if (i >= (FX_DWORD)m_Objects.GetSize())
+ return CFX_ByteStringC();
+ return m_Objects.GetAt(i)->GetConstString();
+}
+
+int CPDF_Array::GetIntegerAt(FX_DWORD i) const {
+ if (i >= (FX_DWORD)m_Objects.GetSize())
+ return 0;
+ return m_Objects.GetAt(i)->GetInteger();
+}
+
+FX_FLOAT CPDF_Array::GetNumberAt(FX_DWORD i) const {
+ if (i >= (FX_DWORD)m_Objects.GetSize())
+ return 0;
+ return m_Objects.GetAt(i)->GetNumber();
+}
+
+CPDF_Dictionary* CPDF_Array::GetDictAt(FX_DWORD i) const {
+ CPDF_Object* p = GetElementValue(i);
+ if (!p)
+ return NULL;
+ if (CPDF_Dictionary* pDict = p->AsDictionary())
+ return pDict;
+ if (CPDF_Stream* pStream = p->AsStream())
+ return pStream->GetDict();
+ return NULL;
+}
+
+CPDF_Stream* CPDF_Array::GetStreamAt(FX_DWORD i) const {
+ return ToStream(GetElementValue(i));
+}
+
+CPDF_Array* CPDF_Array::GetArrayAt(FX_DWORD i) const {
+ return ToArray(GetElementValue(i));
+}
+
+void CPDF_Array::RemoveAt(FX_DWORD i, int nCount) {
+ if (i >= (FX_DWORD)m_Objects.GetSize())
+ return;
+
+ if (nCount <= 0 || nCount > m_Objects.GetSize() - i)
+ return;
+
+ for (int j = 0; j < nCount; ++j) {
+ if (CPDF_Object* p = m_Objects.GetAt(i + j))
+ p->Release();
+ }
+ m_Objects.RemoveAt(i, nCount);
+}
+
+void CPDF_Array::SetAt(FX_DWORD i,
+ CPDF_Object* pObj,
+ CPDF_IndirectObjectHolder* pObjs) {
+ ASSERT(IsArray());
+ ASSERT(i < (FX_DWORD)m_Objects.GetSize());
+ if (i >= (FX_DWORD)m_Objects.GetSize())
+ return;
+ if (CPDF_Object* pOld = m_Objects.GetAt(i))
+ pOld->Release();
+ if (pObj->GetObjNum()) {
+ ASSERT(pObjs);
+ pObj = new CPDF_Reference(pObjs, pObj->GetObjNum());
+ }
+ m_Objects.SetAt(i, pObj);
+}
+
+void CPDF_Array::InsertAt(FX_DWORD index,
+ CPDF_Object* pObj,
+ CPDF_IndirectObjectHolder* pObjs) {
+ if (pObj->GetObjNum()) {
+ ASSERT(pObjs);
+ pObj = new CPDF_Reference(pObjs, pObj->GetObjNum());
+ }
+ m_Objects.InsertAt(index, pObj);
+}
+
+void CPDF_Array::Add(CPDF_Object* pObj, CPDF_IndirectObjectHolder* pObjs) {
+ if (pObj->GetObjNum()) {
+ ASSERT(pObjs);
+ pObj = new CPDF_Reference(pObjs, pObj->GetObjNum());
+ }
+ m_Objects.Add(pObj);
+}
+
+void CPDF_Array::AddName(const CFX_ByteString& str) {
+ ASSERT(IsArray());
+ Add(new CPDF_Name(str));
+}
+
+void CPDF_Array::AddString(const CFX_ByteString& str) {
+ ASSERT(IsArray());
+ Add(new CPDF_String(str, FALSE));
+}
+
+void CPDF_Array::AddInteger(int i) {
+ ASSERT(IsArray());
+ Add(new CPDF_Number(i));
+}
+
+void CPDF_Array::AddNumber(FX_FLOAT f) {
+ ASSERT(IsArray());
+ CPDF_Number* pNumber = new CPDF_Number(f);
+ Add(pNumber);
+}
+
+void CPDF_Array::AddReference(CPDF_IndirectObjectHolder* pDoc,
+ FX_DWORD objnum) {
+ ASSERT(IsArray());
+ Add(new CPDF_Reference(pDoc, objnum));
+}
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