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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the Qt3Support module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #ifndef Q3GARRAY_H |
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43 #define Q3GARRAY_H |
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44 |
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45 #include <Qt3Support/q3shared.h> |
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46 |
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47 QT_BEGIN_HEADER |
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48 |
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49 QT_BEGIN_NAMESPACE |
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50 |
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51 QT_MODULE(Qt3SupportLight) |
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52 |
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53 class Q_COMPAT_EXPORT Q3GArray // generic array |
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54 { |
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55 friend class QBuffer; |
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56 public: |
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57 // do not use this, even though this is public |
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58 struct array_data : public Q3Shared { // shared array |
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59 array_data():data(0),len(0) |
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60 #ifdef QT_QGARRAY_SPEED_OPTIM |
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61 ,maxl(0) |
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62 #endif |
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63 {} |
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64 char *data; // actual array data |
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65 uint len; |
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66 #ifdef QT_QGARRAY_SPEED_OPTIM |
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67 uint maxl; |
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68 #endif |
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69 }; |
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70 Q3GArray(); |
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71 enum Optimization { MemOptim, SpeedOptim }; |
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72 protected: |
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73 Q3GArray(int, int); // dummy; does not alloc |
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74 Q3GArray(int size); // allocate 'size' bytes |
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75 Q3GArray(const Q3GArray &a); // shallow copy |
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76 virtual ~Q3GArray(); |
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77 |
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78 Q3GArray &operator=(const Q3GArray &a) { return assign(a); } |
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79 |
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80 virtual void detach() { duplicate(*this); } |
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81 |
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82 // ### Qt 4.0: maybe provide two versions of data(), at(), etc. |
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83 char *data() const { return shd->data; } |
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84 uint nrefs() const { return shd->count; } |
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85 uint size() const { return shd->len; } |
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86 bool isEqual(const Q3GArray &a) const; |
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87 |
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88 bool resize(uint newsize, Optimization optim); |
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89 bool resize(uint newsize); |
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90 |
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91 bool fill(const char *d, int len, uint sz); |
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92 |
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93 Q3GArray &assign(const Q3GArray &a); |
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94 Q3GArray &assign(const char *d, uint len); |
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95 Q3GArray &duplicate(const Q3GArray &a); |
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96 Q3GArray &duplicate(const char *d, uint len); |
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97 void store(const char *d, uint len); |
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98 |
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99 array_data *sharedBlock() const { return shd; } |
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100 void setSharedBlock(array_data *p) { shd=(array_data*)p; } |
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101 |
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102 Q3GArray &setRawData(const char *d, uint len); |
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103 void resetRawData(const char *d, uint len); |
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104 |
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105 int find(const char *d, uint index, uint sz) const; |
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106 int contains(const char *d, uint sz) const; |
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107 |
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108 void sort(uint sz); |
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109 int bsearch(const char *d, uint sz) const; |
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110 |
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111 char *at(uint index) const; |
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112 |
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113 bool setExpand(uint index, const char *d, uint sz); |
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114 |
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115 protected: |
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116 virtual array_data *newData(); |
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117 virtual void deleteData(array_data *p); |
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118 |
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119 private: |
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120 static void msg_index(uint); |
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121 array_data *shd; |
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122 }; |
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123 |
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124 |
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125 inline char *Q3GArray::at(uint index) const |
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126 { |
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127 #if defined(QT_CHECK_RANGE) |
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128 if (index >= size()) { |
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129 msg_index(index); |
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130 index = 0; |
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131 } |
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132 #endif |
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133 return &shd->data[index]; |
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134 } |
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135 |
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136 QT_END_NAMESPACE |
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137 |
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138 QT_END_HEADER |
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139 |
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140 #endif // Q3GARRAY_H |