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1 /**************************************************************************** |
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2 ** |
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3 ** |
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4 ** Definition of QDataStream class |
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5 ** |
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6 ** Created : 930831 |
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7 ** |
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8 ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved. |
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9 ** |
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10 ** This file is part of the tools module of the Qt GUI Toolkit. |
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11 ** |
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12 ** This file may be distributed under the terms of the Q Public License |
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13 ** as defined by Trolltech AS of Norway and appearing in the file |
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14 ** LICENSE.QPL included in the packaging of this file. |
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15 ** |
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16 ** This file may be distributed and/or modified under the terms of the |
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17 ** GNU General Public License version 2 as published by the Free Software |
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18 ** Foundation and appearing in the file LICENSE.GPL included in the |
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19 ** packaging of this file. |
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20 ** |
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21 ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition |
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22 ** licenses may use this file in accordance with the Qt Commercial License |
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23 ** Agreement provided with the Software. |
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24 ** |
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25 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE |
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26 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
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27 ** |
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28 ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for |
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29 ** information about Qt Commercial License Agreements. |
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30 ** See http://www.trolltech.com/qpl/ for QPL licensing information. |
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31 ** See http://www.trolltech.com/gpl/ for GPL licensing information. |
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32 ** |
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33 ** Contact info@trolltech.com if any conditions of this licensing are |
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34 ** not clear to you. |
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35 ** |
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36 **********************************************************************/ |
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37 |
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38 #ifndef QDATASTREAM_H |
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39 #define QDATASTREAM_H |
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40 |
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41 #ifndef QT_H |
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42 #include "qiodevice.h" |
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43 #include "qstring.h" |
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44 #endif // QT_H |
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45 |
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46 #ifndef QT_NO_DATASTREAM |
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47 class Q_EXPORT QDataStream // data stream class |
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48 { |
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49 public: |
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50 QDataStream(); |
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51 QDataStream( QIODevice * ); |
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52 QDataStream( QByteArray, int mode ); |
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53 virtual ~QDataStream(); |
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54 |
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55 QIODevice *device() const; |
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56 void setDevice( QIODevice * ); |
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57 void unsetDevice(); |
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58 |
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59 bool atEnd() const; |
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60 bool eof() const; |
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61 |
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62 enum ByteOrder { BigEndian, LittleEndian }; |
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63 int byteOrder() const; |
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64 void setByteOrder( int ); |
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65 |
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66 bool isPrintableData() const; |
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67 void setPrintableData( bool ); |
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68 |
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69 int version() const; |
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70 void setVersion( int ); |
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71 |
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72 QDataStream &operator>>( Q_INT8 &i ); |
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73 QDataStream &operator>>( Q_UINT8 &i ); |
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74 QDataStream &operator>>( Q_INT16 &i ); |
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75 QDataStream &operator>>( Q_UINT16 &i ); |
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76 QDataStream &operator>>( Q_INT32 &i ); |
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77 QDataStream &operator>>( Q_UINT32 &i ); |
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78 QDataStream &operator>>( Q_INT64 &i ); |
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79 QDataStream &operator>>( Q_UINT64 &i ); |
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80 |
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81 QDataStream &operator>>( float &f ); |
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82 QDataStream &operator>>( double &f ); |
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83 QDataStream &operator>>( char *&str ); |
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84 |
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85 QDataStream &operator<<( Q_INT8 i ); |
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86 QDataStream &operator<<( Q_UINT8 i ); |
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87 QDataStream &operator<<( Q_INT16 i ); |
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88 QDataStream &operator<<( Q_UINT16 i ); |
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89 QDataStream &operator<<( Q_INT32 i ); |
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90 QDataStream &operator<<( Q_UINT32 i ); |
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91 QDataStream &operator<<( Q_INT64 i ); |
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92 QDataStream &operator<<( Q_UINT64 i ); |
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93 QDataStream &operator<<( float f ); |
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94 QDataStream &operator<<( double f ); |
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95 QDataStream &operator<<( const char *str ); |
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96 |
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97 QDataStream &readBytes( char *&, uint &len ); |
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98 QDataStream &readRawBytes( char *, uint len ); |
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99 |
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100 QDataStream &writeBytes( const char *, uint len ); |
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101 QDataStream &writeRawBytes( const char *, uint len ); |
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102 |
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103 private: |
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104 QIODevice *dev; |
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105 bool owndev; |
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106 int byteorder; |
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107 bool printable; |
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108 bool noswap; |
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109 int ver; |
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110 |
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111 private: // Disabled copy constructor and operator= |
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112 #if defined(Q_DISABLE_COPY) |
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113 QDataStream( const QDataStream & ); |
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114 QDataStream &operator=( const QDataStream & ); |
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115 #endif |
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116 }; |
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117 |
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118 |
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119 /***************************************************************************** |
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120 QDataStream inline functions |
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121 *****************************************************************************/ |
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122 |
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123 inline QIODevice *QDataStream::device() const |
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124 { return dev; } |
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125 |
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126 inline bool QDataStream::atEnd() const |
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127 { return dev ? dev->atEnd() : TRUE; } |
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128 |
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129 inline bool QDataStream::eof() const |
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130 { return atEnd(); } |
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131 |
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132 inline int QDataStream::byteOrder() const |
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133 { return byteorder; } |
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134 |
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135 inline bool QDataStream::isPrintableData() const |
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136 { return printable; } |
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137 |
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138 inline void QDataStream::setPrintableData( bool p ) |
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139 { printable = p; } |
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140 |
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141 inline int QDataStream::version() const |
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142 { return ver; } |
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143 |
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144 inline void QDataStream::setVersion( int v ) |
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145 { ver = v; } |
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146 |
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147 inline QDataStream &QDataStream::operator>>( Q_UINT8 &i ) |
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148 { return *this >> (Q_INT8&)i; } |
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149 |
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150 inline QDataStream &QDataStream::operator>>( Q_UINT16 &i ) |
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151 { return *this >> (Q_INT16&)i; } |
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152 |
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153 inline QDataStream &QDataStream::operator>>( Q_UINT32 &i ) |
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154 { return *this >> (Q_INT32&)i; } |
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155 |
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156 inline QDataStream &QDataStream::operator>>( Q_UINT64 &i ) |
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157 { return *this >> (Q_INT64&)i; } |
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158 |
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159 inline QDataStream &QDataStream::operator<<( Q_UINT8 i ) |
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160 { return *this << (Q_INT8)i; } |
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161 |
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162 inline QDataStream &QDataStream::operator<<( Q_UINT16 i ) |
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163 { return *this << (Q_INT16)i; } |
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164 |
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165 inline QDataStream &QDataStream::operator<<( Q_UINT32 i ) |
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166 { return *this << (Q_INT32)i; } |
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167 |
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168 inline QDataStream &QDataStream::operator<<( Q_UINT64 i ) |
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169 { return *this << (Q_INT64)i; } |
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170 |
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171 |
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172 #endif // QT_NO_DATASTREAM |
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173 #endif // QDATASTREAM_H |