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1 // Copyright 2016 PDFium Authors. All rights reserved. | 1 // Copyright 2016 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "core/fpdfapi/parser/cpdf_array.h" | 5 #include "core/fpdfapi/parser/cpdf_array.h" |
6 #include "core/fpdfapi/parser/cpdf_boolean.h" | 6 #include "core/fpdfapi/parser/cpdf_boolean.h" |
7 #include "core/fpdfapi/parser/cpdf_dictionary.h" | 7 #include "core/fpdfapi/parser/cpdf_dictionary.h" |
8 #include "core/fpdfapi/parser/cpdf_name.h" | 8 #include "core/fpdfapi/parser/cpdf_name.h" |
9 #include "core/fpdfapi/parser/cpdf_null.h" | 9 #include "core/fpdfapi/parser/cpdf_null.h" |
10 #include "core/fpdfapi/parser/cpdf_number.h" | 10 #include "core/fpdfapi/parser/cpdf_number.h" |
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94 for (size_t i = 0; i < FX_ArraySize(objs); ++i) | 94 for (size_t i = 0; i < FX_ArraySize(objs); ++i) |
95 m_DirectObjs.emplace_back(objs[i]); | 95 m_DirectObjs.emplace_back(objs[i]); |
96 | 96 |
97 // Indirect references to indirect objects. | 97 // Indirect references to indirect objects. |
98 m_ObjHolder.reset(new CPDF_IndirectObjectHolder()); | 98 m_ObjHolder.reset(new CPDF_IndirectObjectHolder()); |
99 m_IndirectObjs = {boolean_true_obj->Clone(), number_int_obj->Clone(), | 99 m_IndirectObjs = {boolean_true_obj->Clone(), number_int_obj->Clone(), |
100 str_spec_obj->Clone(), name_obj->Clone(), | 100 str_spec_obj->Clone(), name_obj->Clone(), |
101 m_ArrayObj->Clone(), m_DictObj->Clone(), | 101 m_ArrayObj->Clone(), m_DictObj->Clone(), |
102 stream_obj->Clone()}; | 102 stream_obj->Clone()}; |
103 for (size_t i = 0; i < m_IndirectObjs.size(); ++i) { | 103 for (size_t i = 0; i < m_IndirectObjs.size(); ++i) { |
104 m_ObjHolder->AddIndirectObject(m_IndirectObjs[i]); | 104 m_ObjHolder->AddIndirectObject(UniqueObject(m_IndirectObjs[i])); |
105 m_RefObjs.emplace_back(new CPDF_Reference( | 105 m_RefObjs.emplace_back(new CPDF_Reference( |
106 m_ObjHolder.get(), m_IndirectObjs[i]->GetObjNum())); | 106 m_ObjHolder.get(), m_IndirectObjs[i]->GetObjNum())); |
107 } | 107 } |
108 } | 108 } |
109 | 109 |
110 bool Equal(const CPDF_Object* obj1, const CPDF_Object* obj2) { | 110 bool Equal(const CPDF_Object* obj1, const CPDF_Object* obj2) { |
111 if (obj1 == obj2) | 111 if (obj1 == obj2) |
112 return true; | 112 return true; |
113 if (!obj1 || !obj2 || obj1->GetType() != obj2->GetType()) | 113 if (!obj1 || !obj2 || obj1->GetType() != obj2->GetType()) |
114 return false; | 114 return false; |
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723 CPDF_Name* name_obj = new CPDF_Name("Title:"); | 723 CPDF_Name* name_obj = new CPDF_Name("Title:"); |
724 CPDF_Null* null_obj = new CPDF_Null(); | 724 CPDF_Null* null_obj = new CPDF_Null(); |
725 CPDF_Object* indirect_objs[] = {boolean_obj, int_obj, float_obj, | 725 CPDF_Object* indirect_objs[] = {boolean_obj, int_obj, float_obj, |
726 str_obj, name_obj, null_obj}; | 726 str_obj, name_obj, null_obj}; |
727 unsigned int obj_nums[] = {2, 4, 7, 2345, 799887, 1}; | 727 unsigned int obj_nums[] = {2, 4, 7, 2345, 799887, 1}; |
728 ScopedArray arr(new CPDF_Array); | 728 ScopedArray arr(new CPDF_Array); |
729 ScopedArray arr1(new CPDF_Array); | 729 ScopedArray arr1(new CPDF_Array); |
730 // Create two arrays of references by different AddReference() APIs. | 730 // Create two arrays of references by different AddReference() APIs. |
731 for (size_t i = 0; i < FX_ArraySize(indirect_objs); ++i) { | 731 for (size_t i = 0; i < FX_ArraySize(indirect_objs); ++i) { |
732 // All the indirect objects inserted will be owned by holder. | 732 // All the indirect objects inserted will be owned by holder. |
733 holder->ReplaceIndirectObjectIfHigherGeneration(obj_nums[i], | 733 holder->ReplaceIndirectObjectIfHigherGeneration( |
734 indirect_objs[i]); | 734 obj_nums[i], UniqueObject(indirect_objs[i])); |
735 arr->AddReference(holder.get(), obj_nums[i]); | 735 arr->AddReference(holder.get(), obj_nums[i]); |
736 arr1->AddReference(holder.get(), indirect_objs[i]->GetObjNum()); | 736 arr1->AddReference(holder.get(), indirect_objs[i]->GetObjNum()); |
737 } | 737 } |
738 // Check indirect objects. | 738 // Check indirect objects. |
739 for (size_t i = 0; i < FX_ArraySize(obj_nums); ++i) | 739 for (size_t i = 0; i < FX_ArraySize(obj_nums); ++i) |
740 EXPECT_EQ(indirect_objs[i], holder->GetOrParseIndirectObject(obj_nums[i])); | 740 EXPECT_EQ(indirect_objs[i], holder->GetOrParseIndirectObject(obj_nums[i])); |
741 // Check arrays. | 741 // Check arrays. |
742 EXPECT_EQ(arr->GetCount(), arr1->GetCount()); | 742 EXPECT_EQ(arr->GetCount(), arr1->GetCount()); |
743 for (size_t i = 0; i < arr->GetCount(); ++i) { | 743 for (size_t i = 0; i < arr->GetCount(); ++i) { |
744 EXPECT_EQ(CPDF_Object::REFERENCE, arr->GetObjectAt(i)->GetType()); | 744 EXPECT_EQ(CPDF_Object::REFERENCE, arr->GetObjectAt(i)->GetType()); |
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834 ASSERT_TRUE(cloned_stream); | 834 ASSERT_TRUE(cloned_stream); |
835 CPDF_Object* cloned_dict = cloned_stream->GetDict(); | 835 CPDF_Object* cloned_dict = cloned_stream->GetDict(); |
836 ASSERT_TRUE(cloned_dict); | 836 ASSERT_TRUE(cloned_dict); |
837 ASSERT_TRUE(cloned_dict->IsDictionary()); | 837 ASSERT_TRUE(cloned_dict->IsDictionary()); |
838 // Recursively referenced object is not cloned. | 838 // Recursively referenced object is not cloned. |
839 EXPECT_EQ(nullptr, cloned_dict->AsDictionary()->GetObjectFor("stream")); | 839 EXPECT_EQ(nullptr, cloned_dict->AsDictionary()->GetObjectFor("stream")); |
840 } | 840 } |
841 { | 841 { |
842 CPDF_IndirectObjectHolder objects_holder; | 842 CPDF_IndirectObjectHolder objects_holder; |
843 // Create an object with a reference loop. | 843 // Create an object with a reference loop. |
844 CPDF_Dictionary* dict_obj = new CPDF_Dictionary(); | 844 CPDF_Dictionary* dict_obj = objects_holder.AddIndirectDictionary(); |
845 CPDF_Array* arr_obj = new CPDF_Array; | 845 CPDF_Array* arr_obj = new CPDF_Array; |
846 objects_holder.AddIndirectObject(dict_obj); | |
847 EXPECT_EQ(1u, dict_obj->GetObjNum()); | 846 EXPECT_EQ(1u, dict_obj->GetObjNum()); |
848 dict_obj->SetFor("arr", arr_obj); | 847 dict_obj->SetFor("arr", arr_obj); |
849 arr_obj->InsertAt( | 848 arr_obj->InsertAt( |
850 0, new CPDF_Reference(&objects_holder, dict_obj->GetObjNum())); | 849 0, new CPDF_Reference(&objects_holder, dict_obj->GetObjNum())); |
851 CPDF_Object* elem0 = arr_obj->GetObjectAt(0); | 850 CPDF_Object* elem0 = arr_obj->GetObjectAt(0); |
852 ASSERT_TRUE(elem0); | 851 ASSERT_TRUE(elem0); |
853 ASSERT_TRUE(elem0->IsReference()); | 852 ASSERT_TRUE(elem0->IsReference()); |
854 EXPECT_EQ(1u, elem0->AsReference()->GetRefObjNum()); | 853 EXPECT_EQ(1u, elem0->AsReference()->GetRefObjNum()); |
855 EXPECT_EQ(dict_obj, elem0->AsReference()->GetDirect()); | 854 EXPECT_EQ(dict_obj, elem0->AsReference()->GetDirect()); |
856 | 855 |
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874 dict->SetFor("clams", pObj); | 873 dict->SetFor("clams", pObj); |
875 dict->ConvertToIndirectObjectFor("clams", &objects_holder); | 874 dict->ConvertToIndirectObjectFor("clams", &objects_holder); |
876 CPDF_Object* pRef = dict->GetObjectFor("clams"); | 875 CPDF_Object* pRef = dict->GetObjectFor("clams"); |
877 CPDF_Object* pNum = dict->GetDirectObjectFor("clams"); | 876 CPDF_Object* pNum = dict->GetDirectObjectFor("clams"); |
878 EXPECT_TRUE(pRef->IsReference()); | 877 EXPECT_TRUE(pRef->IsReference()); |
879 EXPECT_TRUE(pNum->IsNumber()); | 878 EXPECT_TRUE(pNum->IsNumber()); |
880 EXPECT_NE(pObj, pRef); | 879 EXPECT_NE(pObj, pRef); |
881 EXPECT_EQ(pObj, pNum); | 880 EXPECT_EQ(pObj, pNum); |
882 EXPECT_EQ(42, dict->GetIntegerFor("clams")); | 881 EXPECT_EQ(42, dict->GetIntegerFor("clams")); |
883 } | 882 } |
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