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authordsinclair <dsinclair@chromium.org>2016-10-04 11:55:50 -0700
committerCommit bot <commit-bot@chromium.org>2016-10-04 11:55:51 -0700
commit488b7ad845d6de212d89cd957303b294ecfa5922 (patch)
treeadfdd2327724bd3597a1a7614bbe29a01a0c8dc0 /core/fpdfapi/parser/cpdf_array.cpp
parent41872fa5ac7448a50f66ad56d7bde8d1aa77db4b (diff)
downloadpdfium-488b7ad845d6de212d89cd957303b294ecfa5922.tar.xz
Move core/fpdfapi/fpdf_parser to core/fpdfapi/parser
BUG=pdfium:603 Review-Url: https://codereview.chromium.org/2392603004
Diffstat (limited to 'core/fpdfapi/parser/cpdf_array.cpp')
-rw-r--r--core/fpdfapi/parser/cpdf_array.cpp200
1 files changed, 200 insertions, 0 deletions
diff --git a/core/fpdfapi/parser/cpdf_array.cpp b/core/fpdfapi/parser/cpdf_array.cpp
new file mode 100644
index 0000000000..61e69e8a53
--- /dev/null
+++ b/core/fpdfapi/parser/cpdf_array.cpp
@@ -0,0 +1,200 @@
+// 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/parser/cpdf_array.h"
+
+#include <set>
+
+#include "core/fpdfapi/parser/cpdf_name.h"
+#include "core/fpdfapi/parser/cpdf_number.h"
+#include "core/fpdfapi/parser/cpdf_reference.h"
+#include "core/fpdfapi/parser/cpdf_stream.h"
+#include "core/fpdfapi/parser/cpdf_string.h"
+#include "third_party/base/logging.h"
+#include "third_party/base/stl_util.h"
+
+CPDF_Array::CPDF_Array() {}
+
+CPDF_Array::~CPDF_Array() {
+ // Mark the object as deleted so that it will not be deleted again
+ // in case of cyclic references.
+ m_ObjNum = kInvalidObjNum;
+ for (auto& it : m_Objects) {
+ if (it)
+ it->Release();
+ }
+}
+
+CPDF_Object::Type CPDF_Array::GetType() const {
+ return ARRAY;
+}
+
+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() const {
+ return CloneObjectNonCyclic(false);
+}
+
+CPDF_Object* CPDF_Array::CloneNonCyclic(
+ bool bDirect,
+ std::set<const CPDF_Object*>* pVisited) const {
+ pVisited->insert(this);
+ CPDF_Array* pCopy = new CPDF_Array();
+ for (size_t i = 0; i < GetCount(); i++) {
+ CPDF_Object* value = m_Objects[i];
+ if (!pdfium::ContainsKey(*pVisited, value))
+ pCopy->m_Objects.push_back(value->CloneNonCyclic(bDirect, pVisited));
+ }
+ return pCopy;
+}
+
+CFX_FloatRect CPDF_Array::GetRect() {
+ CFX_FloatRect rect;
+ if (!IsArray() || m_Objects.size() != 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.size() != 6)
+ return matrix;
+
+ matrix.Set(GetNumberAt(0), GetNumberAt(1), GetNumberAt(2), GetNumberAt(3),
+ GetNumberAt(4), GetNumberAt(5));
+ return matrix;
+}
+
+CPDF_Object* CPDF_Array::GetObjectAt(size_t i) const {
+ if (i >= m_Objects.size())
+ return nullptr;
+ return m_Objects[i];
+}
+
+CPDF_Object* CPDF_Array::GetDirectObjectAt(size_t i) const {
+ if (i >= m_Objects.size())
+ return nullptr;
+ return m_Objects[i]->GetDirect();
+}
+
+CFX_ByteString CPDF_Array::GetStringAt(size_t i) const {
+ if (i >= m_Objects.size())
+ return CFX_ByteString();
+ return m_Objects[i]->GetString();
+}
+
+int CPDF_Array::GetIntegerAt(size_t i) const {
+ if (i >= m_Objects.size())
+ return 0;
+ return m_Objects[i]->GetInteger();
+}
+
+FX_FLOAT CPDF_Array::GetNumberAt(size_t i) const {
+ if (i >= m_Objects.size())
+ return 0;
+ return m_Objects[i]->GetNumber();
+}
+
+CPDF_Dictionary* CPDF_Array::GetDictAt(size_t i) const {
+ CPDF_Object* p = GetDirectObjectAt(i);
+ if (!p)
+ return nullptr;
+ if (CPDF_Dictionary* pDict = p->AsDictionary())
+ return pDict;
+ if (CPDF_Stream* pStream = p->AsStream())
+ return pStream->GetDict();
+ return nullptr;
+}
+
+CPDF_Stream* CPDF_Array::GetStreamAt(size_t i) const {
+ return ToStream(GetDirectObjectAt(i));
+}
+
+CPDF_Array* CPDF_Array::GetArrayAt(size_t i) const {
+ return ToArray(GetDirectObjectAt(i));
+}
+
+void CPDF_Array::RemoveAt(size_t i, size_t nCount) {
+ if (i >= m_Objects.size())
+ return;
+
+ if (nCount <= 0 || nCount > m_Objects.size() - i)
+ return;
+
+ for (size_t j = 0; j < nCount; ++j) {
+ if (CPDF_Object* p = m_Objects[i + j])
+ p->Release();
+ }
+ m_Objects.erase(m_Objects.begin() + i, m_Objects.begin() + i + nCount);
+}
+
+void CPDF_Array::SetAt(size_t i, CPDF_Object* pObj) {
+ ASSERT(IsArray());
+ CHECK(!pObj || pObj->GetObjNum() == 0);
+ if (i >= m_Objects.size()) {
+ ASSERT(false);
+ return;
+ }
+ if (CPDF_Object* pOld = m_Objects[i])
+ pOld->Release();
+
+ m_Objects[i] = pObj;
+}
+
+void CPDF_Array::InsertAt(size_t index, CPDF_Object* pObj) {
+ ASSERT(IsArray());
+ CHECK(!pObj || pObj->GetObjNum() == 0);
+ if (index >= m_Objects.size()) {
+ // Allocate space first.
+ m_Objects.resize(index + 1, nullptr);
+ m_Objects[index] = pObj;
+ } else {
+ // Directly insert.
+ m_Objects.insert(m_Objects.begin() + index, pObj);
+ }
+}
+
+void CPDF_Array::Add(CPDF_Object* pObj) {
+ ASSERT(IsArray());
+ CHECK(!pObj || pObj->GetObjNum() == 0);
+ m_Objects.push_back(pObj);
+}
+
+void CPDF_Array::AddName(const CFX_ByteString& str) {
+ Add(new CPDF_Name(str));
+}
+
+void CPDF_Array::AddString(const CFX_ByteString& str) {
+ Add(new CPDF_String(str, FALSE));
+}
+
+void CPDF_Array::AddInteger(int i) {
+ Add(new CPDF_Number(i));
+}
+
+void CPDF_Array::AddNumber(FX_FLOAT f) {
+ Add(new CPDF_Number(f));
+}
+
+void CPDF_Array::AddReference(CPDF_IndirectObjectHolder* pDoc,
+ uint32_t objnum) {
+ Add(new CPDF_Reference(pDoc, objnum));
+}