media/omx-plugin/include/froyo/utils/SortedVector.h

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /*
michael@0 2 * Copyright (C) 2005 The Android Open Source Project
michael@0 3 *
michael@0 4 * Licensed under the Apache License, Version 2.0 (the "License");
michael@0 5 * you may not use this file except in compliance with the License.
michael@0 6 * You may obtain a copy of the License at
michael@0 7 *
michael@0 8 * http://www.apache.org/licenses/LICENSE-2.0
michael@0 9 *
michael@0 10 * Unless required by applicable law or agreed to in writing, software
michael@0 11 * distributed under the License is distributed on an "AS IS" BASIS,
michael@0 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
michael@0 13 * See the License for the specific language governing permissions and
michael@0 14 * limitations under the License.
michael@0 15 */
michael@0 16
michael@0 17 #ifndef ANDROID_SORTED_VECTOR_H
michael@0 18 #define ANDROID_SORTED_VECTOR_H
michael@0 19
michael@0 20 #include <assert.h>
michael@0 21 #include <stdint.h>
michael@0 22 #include <sys/types.h>
michael@0 23
michael@0 24 #include <utils/Vector.h>
michael@0 25 #include <utils/VectorImpl.h>
michael@0 26 #include <utils/TypeHelpers.h>
michael@0 27
michael@0 28 // ---------------------------------------------------------------------------
michael@0 29
michael@0 30 namespace android {
michael@0 31
michael@0 32 template <class TYPE>
michael@0 33 class SortedVector : private SortedVectorImpl
michael@0 34 {
michael@0 35 public:
michael@0 36 typedef TYPE value_type;
michael@0 37
michael@0 38 /*!
michael@0 39 * Constructors and destructors
michael@0 40 */
michael@0 41
michael@0 42 SortedVector();
michael@0 43 SortedVector(const SortedVector<TYPE>& rhs);
michael@0 44 virtual ~SortedVector();
michael@0 45
michael@0 46 /*! copy operator */
michael@0 47 const SortedVector<TYPE>& operator = (const SortedVector<TYPE>& rhs) const;
michael@0 48 SortedVector<TYPE>& operator = (const SortedVector<TYPE>& rhs);
michael@0 49
michael@0 50 /*
michael@0 51 * empty the vector
michael@0 52 */
michael@0 53
michael@0 54 inline void clear() { VectorImpl::clear(); }
michael@0 55
michael@0 56 /*!
michael@0 57 * vector stats
michael@0 58 */
michael@0 59
michael@0 60 //! returns number of items in the vector
michael@0 61 inline size_t size() const { return VectorImpl::size(); }
michael@0 62 //! returns wether or not the vector is empty
michael@0 63 inline bool isEmpty() const { return VectorImpl::isEmpty(); }
michael@0 64 //! returns how many items can be stored without reallocating the backing store
michael@0 65 inline size_t capacity() const { return VectorImpl::capacity(); }
michael@0 66 //! setst the capacity. capacity can never be reduced less than size()
michael@0 67 inline ssize_t setCapacity(size_t size) { return VectorImpl::setCapacity(size); }
michael@0 68
michael@0 69 /*!
michael@0 70 * C-style array access
michael@0 71 */
michael@0 72
michael@0 73 //! read-only C-style access
michael@0 74 inline const TYPE* array() const;
michael@0 75
michael@0 76 //! read-write C-style access. BE VERY CAREFUL when modifying the array
michael@0 77 //! you ust keep it sorted! You usually don't use this function.
michael@0 78 TYPE* editArray();
michael@0 79
michael@0 80 //! finds the index of an item
michael@0 81 ssize_t indexOf(const TYPE& item) const;
michael@0 82
michael@0 83 //! finds where this item should be inserted
michael@0 84 size_t orderOf(const TYPE& item) const;
michael@0 85
michael@0 86
michael@0 87 /*!
michael@0 88 * accessors
michael@0 89 */
michael@0 90
michael@0 91 //! read-only access to an item at a given index
michael@0 92 inline const TYPE& operator [] (size_t index) const;
michael@0 93 //! alternate name for operator []
michael@0 94 inline const TYPE& itemAt(size_t index) const;
michael@0 95 //! stack-usage of the vector. returns the top of the stack (last element)
michael@0 96 const TYPE& top() const;
michael@0 97 //! same as operator [], but allows to access the vector backward (from the end) with a negative index
michael@0 98 const TYPE& mirrorItemAt(ssize_t index) const;
michael@0 99
michael@0 100 /*!
michael@0 101 * modifing the array
michael@0 102 */
michael@0 103
michael@0 104 //! add an item in the right place (and replace the one that is there)
michael@0 105 ssize_t add(const TYPE& item);
michael@0 106
michael@0 107 //! editItemAt() MUST NOT change the order of this item
michael@0 108 TYPE& editItemAt(size_t index) {
michael@0 109 return *( static_cast<TYPE *>(VectorImpl::editItemLocation(index)) );
michael@0 110 }
michael@0 111
michael@0 112 //! merges a vector into this one
michael@0 113 ssize_t merge(const Vector<TYPE>& vector);
michael@0 114 ssize_t merge(const SortedVector<TYPE>& vector);
michael@0 115
michael@0 116 //! removes an item
michael@0 117 ssize_t remove(const TYPE&);
michael@0 118
michael@0 119 //! remove several items
michael@0 120 inline ssize_t removeItemsAt(size_t index, size_t count = 1);
michael@0 121 //! remove one item
michael@0 122 inline ssize_t removeAt(size_t index) { return removeItemsAt(index); }
michael@0 123
michael@0 124 protected:
michael@0 125 virtual void do_construct(void* storage, size_t num) const;
michael@0 126 virtual void do_destroy(void* storage, size_t num) const;
michael@0 127 virtual void do_copy(void* dest, const void* from, size_t num) const;
michael@0 128 virtual void do_splat(void* dest, const void* item, size_t num) const;
michael@0 129 virtual void do_move_forward(void* dest, const void* from, size_t num) const;
michael@0 130 virtual void do_move_backward(void* dest, const void* from, size_t num) const;
michael@0 131 virtual int do_compare(const void* lhs, const void* rhs) const;
michael@0 132 };
michael@0 133
michael@0 134
michael@0 135 // ---------------------------------------------------------------------------
michael@0 136 // No user serviceable parts from here...
michael@0 137 // ---------------------------------------------------------------------------
michael@0 138
michael@0 139 template<class TYPE> inline
michael@0 140 SortedVector<TYPE>::SortedVector()
michael@0 141 : SortedVectorImpl(sizeof(TYPE),
michael@0 142 ((traits<TYPE>::has_trivial_ctor ? HAS_TRIVIAL_CTOR : 0)
michael@0 143 |(traits<TYPE>::has_trivial_dtor ? HAS_TRIVIAL_DTOR : 0)
michael@0 144 |(traits<TYPE>::has_trivial_copy ? HAS_TRIVIAL_COPY : 0))
michael@0 145 )
michael@0 146 {
michael@0 147 }
michael@0 148
michael@0 149 template<class TYPE> inline
michael@0 150 SortedVector<TYPE>::SortedVector(const SortedVector<TYPE>& rhs)
michael@0 151 : SortedVectorImpl(rhs) {
michael@0 152 }
michael@0 153
michael@0 154 template<class TYPE> inline
michael@0 155 SortedVector<TYPE>::~SortedVector() {
michael@0 156 finish_vector();
michael@0 157 }
michael@0 158
michael@0 159 template<class TYPE> inline
michael@0 160 SortedVector<TYPE>& SortedVector<TYPE>::operator = (const SortedVector<TYPE>& rhs) {
michael@0 161 SortedVectorImpl::operator = (rhs);
michael@0 162 return *this;
michael@0 163 }
michael@0 164
michael@0 165 template<class TYPE> inline
michael@0 166 const SortedVector<TYPE>& SortedVector<TYPE>::operator = (const SortedVector<TYPE>& rhs) const {
michael@0 167 SortedVectorImpl::operator = (rhs);
michael@0 168 return *this;
michael@0 169 }
michael@0 170
michael@0 171 template<class TYPE> inline
michael@0 172 const TYPE* SortedVector<TYPE>::array() const {
michael@0 173 return static_cast<const TYPE *>(arrayImpl());
michael@0 174 }
michael@0 175
michael@0 176 template<class TYPE> inline
michael@0 177 TYPE* SortedVector<TYPE>::editArray() {
michael@0 178 return static_cast<TYPE *>(editArrayImpl());
michael@0 179 }
michael@0 180
michael@0 181
michael@0 182 template<class TYPE> inline
michael@0 183 const TYPE& SortedVector<TYPE>::operator[](size_t index) const {
michael@0 184 assert( index<size() );
michael@0 185 return *(array() + index);
michael@0 186 }
michael@0 187
michael@0 188 template<class TYPE> inline
michael@0 189 const TYPE& SortedVector<TYPE>::itemAt(size_t index) const {
michael@0 190 return operator[](index);
michael@0 191 }
michael@0 192
michael@0 193 template<class TYPE> inline
michael@0 194 const TYPE& SortedVector<TYPE>::mirrorItemAt(ssize_t index) const {
michael@0 195 assert( (index>0 ? index : -index)<size() );
michael@0 196 return *(array() + ((index<0) ? (size()-index) : index));
michael@0 197 }
michael@0 198
michael@0 199 template<class TYPE> inline
michael@0 200 const TYPE& SortedVector<TYPE>::top() const {
michael@0 201 return *(array() + size() - 1);
michael@0 202 }
michael@0 203
michael@0 204 template<class TYPE> inline
michael@0 205 ssize_t SortedVector<TYPE>::add(const TYPE& item) {
michael@0 206 return SortedVectorImpl::add(&item);
michael@0 207 }
michael@0 208
michael@0 209 template<class TYPE> inline
michael@0 210 ssize_t SortedVector<TYPE>::indexOf(const TYPE& item) const {
michael@0 211 return SortedVectorImpl::indexOf(&item);
michael@0 212 }
michael@0 213
michael@0 214 template<class TYPE> inline
michael@0 215 size_t SortedVector<TYPE>::orderOf(const TYPE& item) const {
michael@0 216 return SortedVectorImpl::orderOf(&item);
michael@0 217 }
michael@0 218
michael@0 219 template<class TYPE> inline
michael@0 220 ssize_t SortedVector<TYPE>::merge(const Vector<TYPE>& vector) {
michael@0 221 return SortedVectorImpl::merge(reinterpret_cast<const VectorImpl&>(vector));
michael@0 222 }
michael@0 223
michael@0 224 template<class TYPE> inline
michael@0 225 ssize_t SortedVector<TYPE>::merge(const SortedVector<TYPE>& vector) {
michael@0 226 return SortedVectorImpl::merge(reinterpret_cast<const SortedVectorImpl&>(vector));
michael@0 227 }
michael@0 228
michael@0 229 template<class TYPE> inline
michael@0 230 ssize_t SortedVector<TYPE>::remove(const TYPE& item) {
michael@0 231 return SortedVectorImpl::remove(&item);
michael@0 232 }
michael@0 233
michael@0 234 template<class TYPE> inline
michael@0 235 ssize_t SortedVector<TYPE>::removeItemsAt(size_t index, size_t count) {
michael@0 236 return VectorImpl::removeItemsAt(index, count);
michael@0 237 }
michael@0 238
michael@0 239 // ---------------------------------------------------------------------------
michael@0 240
michael@0 241 template<class TYPE>
michael@0 242 void SortedVector<TYPE>::do_construct(void* storage, size_t num) const {
michael@0 243 construct_type( reinterpret_cast<TYPE*>(storage), num );
michael@0 244 }
michael@0 245
michael@0 246 template<class TYPE>
michael@0 247 void SortedVector<TYPE>::do_destroy(void* storage, size_t num) const {
michael@0 248 destroy_type( reinterpret_cast<TYPE*>(storage), num );
michael@0 249 }
michael@0 250
michael@0 251 template<class TYPE>
michael@0 252 void SortedVector<TYPE>::do_copy(void* dest, const void* from, size_t num) const {
michael@0 253 copy_type( reinterpret_cast<TYPE*>(dest), reinterpret_cast<const TYPE*>(from), num );
michael@0 254 }
michael@0 255
michael@0 256 template<class TYPE>
michael@0 257 void SortedVector<TYPE>::do_splat(void* dest, const void* item, size_t num) const {
michael@0 258 splat_type( reinterpret_cast<TYPE*>(dest), reinterpret_cast<const TYPE*>(item), num );
michael@0 259 }
michael@0 260
michael@0 261 template<class TYPE>
michael@0 262 void SortedVector<TYPE>::do_move_forward(void* dest, const void* from, size_t num) const {
michael@0 263 move_forward_type( reinterpret_cast<TYPE*>(dest), reinterpret_cast<const TYPE*>(from), num );
michael@0 264 }
michael@0 265
michael@0 266 template<class TYPE>
michael@0 267 void SortedVector<TYPE>::do_move_backward(void* dest, const void* from, size_t num) const {
michael@0 268 move_backward_type( reinterpret_cast<TYPE*>(dest), reinterpret_cast<const TYPE*>(from), num );
michael@0 269 }
michael@0 270
michael@0 271 template<class TYPE>
michael@0 272 int SortedVector<TYPE>::do_compare(const void* lhs, const void* rhs) const {
michael@0 273 return compare_type( *reinterpret_cast<const TYPE*>(lhs), *reinterpret_cast<const TYPE*>(rhs) );
michael@0 274 }
michael@0 275
michael@0 276 }; // namespace android
michael@0 277
michael@0 278
michael@0 279 // ---------------------------------------------------------------------------
michael@0 280
michael@0 281 #endif // ANDROID_SORTED_VECTOR_H

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