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Side by Side Diff: third_party/WebKit/Source/wtf/TerminatedArrayBuilder.h

Issue 1611343002: wtf reformat test Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: pydent Created 4 years, 11 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium 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 #ifndef TerminatedArrayBuilder_h 4 #ifndef TerminatedArrayBuilder_h
5 #define TerminatedArrayBuilder_h 5 #define TerminatedArrayBuilder_h
6 6
7 #include "wtf/OwnPtr.h" 7 #include "wtf/OwnPtr.h"
8 8
9 namespace WTF { 9 namespace WTF {
10 10
11 template<typename T, template <typename> class ArrayType = TerminatedArray> 11 template <typename T, template <typename> class ArrayType = TerminatedArray>
12 class TerminatedArrayBuilder { 12 class TerminatedArrayBuilder {
13 DISALLOW_NEW(); 13 DISALLOW_NEW();
14 WTF_MAKE_NONCOPYABLE(TerminatedArrayBuilder); 14 WTF_MAKE_NONCOPYABLE(TerminatedArrayBuilder);
15 public: 15
16 explicit TerminatedArrayBuilder(typename ArrayType<T>::Allocator::PassPtr ar ray) 16 public:
17 : m_array(array) 17 explicit TerminatedArrayBuilder(
18 , m_count(0) 18 typename ArrayType<T>::Allocator::PassPtr array)
19 , m_capacity(0) 19 : m_array(array), m_count(0), m_capacity(0) {
20 { 20 if (!m_array)
21 if (!m_array) 21 return;
22 return; 22 m_capacity = m_count = m_array->size();
23 m_capacity = m_count = m_array->size(); 23 }
24
25 void grow(size_t count) {
26 ASSERT(count);
27 if (!m_array) {
28 ASSERT(!m_count);
29 ASSERT(!m_capacity);
30 m_capacity = count;
31 m_array = ArrayType<T>::Allocator::create(m_capacity);
32 return;
24 } 33 }
34 m_capacity += count;
35 m_array = ArrayType<T>::Allocator::resize(m_array.release(), m_capacity);
36 m_array->at(m_count - 1).setLastInArray(false);
37 }
25 38
26 void grow(size_t count) 39 void append(const T& item) {
27 { 40 RELEASE_ASSERT(m_count < m_capacity);
28 ASSERT(count); 41 ASSERT(!item.isLastInArray());
29 if (!m_array) { 42 m_array->at(m_count++) = item;
30 ASSERT(!m_count); 43 }
31 ASSERT(!m_capacity); 44
32 m_capacity = count; 45 typename ArrayType<T>::Allocator::PassPtr release() {
33 m_array = ArrayType<T>::Allocator::create(m_capacity); 46 RELEASE_ASSERT(m_count == m_capacity);
34 return; 47 if (m_array)
35 } 48 m_array->at(m_count - 1).setLastInArray(true);
36 m_capacity += count; 49 assertValid();
37 m_array = ArrayType<T>::Allocator::resize(m_array.release(), m_capacity) ; 50 return m_array.release();
38 m_array->at(m_count - 1).setLastInArray(false); 51 }
52
53 private:
54 #if ENABLE(ASSERT)
55 void assertValid() {
56 for (size_t i = 0; i < m_count; ++i) {
57 bool isLastInArray = (i + 1 == m_count);
58 ASSERT(m_array->at(i).isLastInArray() == isLastInArray);
39 } 59 }
40 60 }
41 void append(const T& item)
42 {
43 RELEASE_ASSERT(m_count < m_capacity);
44 ASSERT(!item.isLastInArray());
45 m_array->at(m_count++) = item;
46 }
47
48 typename ArrayType<T>::Allocator::PassPtr release()
49 {
50 RELEASE_ASSERT(m_count == m_capacity);
51 if (m_array)
52 m_array->at(m_count - 1).setLastInArray(true);
53 assertValid();
54 return m_array.release();
55 }
56
57 private:
58 #if ENABLE(ASSERT)
59 void assertValid()
60 {
61 for (size_t i = 0; i < m_count; ++i) {
62 bool isLastInArray = (i + 1 == m_count);
63 ASSERT(m_array->at(i).isLastInArray() == isLastInArray);
64 }
65 }
66 #else 61 #else
67 void assertValid() { } 62 void assertValid() {}
68 #endif 63 #endif
69 64
70 typename ArrayType<T>::Allocator::Ptr m_array; 65 typename ArrayType<T>::Allocator::Ptr m_array;
71 size_t m_count; 66 size_t m_count;
72 size_t m_capacity; 67 size_t m_capacity;
73 }; 68 };
74 69
75 } // namespace WTF 70 } // namespace WTF
76 71
77 using WTF::TerminatedArrayBuilder; 72 using WTF::TerminatedArrayBuilder;
78 73
79 #endif // TerminatedArrayBuilder_h 74 #endif // TerminatedArrayBuilder_h
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