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Side by Side Diff: core/src/fxcodec/jbig2/JBig2_List.h

Issue 1800523005: Move core/src/ up to core/. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Created 4 years, 9 months ago
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1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7 #ifndef CORE_SRC_FXCODEC_JBIG2_JBIG2_LIST_H_
8 #define CORE_SRC_FXCODEC_JBIG2_JBIG2_LIST_H_
9
10 #include <stdlib.h>
11
12 #include <vector>
13
14 // A poor man's ScopedVector for pointers of TYPE.
15 // Owns all the pointers contained within and deletes them on destruction.
16 template <class TYPE>
17 class CJBig2_List {
18 public:
19 CJBig2_List() {}
20 explicit CJBig2_List(size_t count) { resize(count); }
21
22 ~CJBig2_List() {
23 clear();
24 }
25
26 TYPE* get(size_t index) const { return m_vector[index]; }
27 TYPE* back() const { return m_vector.back(); }
28 size_t size() const { return m_vector.size(); }
29
30 // Deletes all the pointers contained within.
31 void clear() {
32 for (size_t i = 0; i < m_vector.size(); ++i)
33 delete m_vector[i];
34 m_vector.clear();
35 }
36
37 // Takes ownership of |pItem|.
38 void push_back(TYPE* pItem) { m_vector.push_back(pItem); }
39
40 // Takes ownership of |pItem|.
41 void set(size_t index, TYPE* pItem) {
42 delete m_vector[index];
43 m_vector[index] = pItem;
44 }
45
46 void resize(size_t count) {
47 for (size_t i = count; i < size(); ++i)
48 delete m_vector[i];
49 m_vector.resize(count);
50 }
51
52 private:
53 std::vector<TYPE*> m_vector;
54 };
55
56 #endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_LIST_H_
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