File: qtextstream-h.html

package info (click to toggle)
qt-embedded 2.3.2-3
  • links: PTS
  • area: main
  • in suites: woody
  • size: 68,608 kB
  • ctags: 45,998
  • sloc: cpp: 276,654; ansic: 71,987; makefile: 29,074; sh: 12,305; yacc: 2,465; python: 1,863; perl: 481; lex: 480; xml: 68; lisp: 15
file content (389 lines) | stat: -rw-r--r-- 13,692 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>
Qt Toolkit - qtextstream.h include file
</title><style type="text/css"><!--
h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }
a:link { color: #004faf; text-decoration: none }
a:visited { color: #672967; text-decoration: none }body { background: white; color: black; }
--></style>
</head><body bgcolor="#ffffff">

<table width="100%">
<tr><td><a href="index.html">
<img width="100" height="100" src="qtlogo.png"
alt="Home" border="0"><img width="100"
height="100" src="face.png" alt="Home" border="0">
</a><td valign=top><div align=right><img src="dochead.png" width="472" height="27"><br>
<a href="classes.html"><b>Classes</b></a>
-<a href="annotated.html">Annotated</a>
- <a href="hierarchy.html">Tree</a>
-<a href="functions.html">Functions</a>
-<a href="index.html">Home</a>
-<a href="topicals.html"><b>Structure</b></a>
</div>
</table>

<h1 align=center>qtextstream.h</h1><br clear="all">
This is the verbatim text of the qtextstream.h include file.  It is
provided only for illustration; the copyright
remains with Trolltech.
<hr>
<pre>
/****************************************************************************
** &#36;Id&#58; qt/src/tools/qtextstream.h   2.3.2   edited 2001-01-26 $
**
** Definition of QTextStream class
**
** Created : 940922
**
** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
**   information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#ifndef QTEXTSTREAM_H
#define QTEXTSTREAM_H

#ifndef QT_H
#include "qiodevice.h"
#include "qstring.h"
#include &lt;stdio.h&gt;
#endif // QT_H

#ifndef QT_NO_TEXTSTREAM
class <a href="qtextcodec.html">QTextCodec</a>;
class <a href="qtextdecoder.html">QTextDecoder</a>;

class QTextStreamPrivate;

class Q_EXPORT <a href="qtextstream.html">QTextStream</a>                              // text stream class
{
public:
    enum Encoding { Locale, Latin1, Unicode, UnicodeNetworkOrder,
                    UnicodeReverse, RawUnicode, UnicodeUTF8 };

    void        setEncoding( Encoding );
#ifndef QT_NO_TEXTCODEC
    void        setCodec( QTextCodec* );
#endif

    //    Encoding encoding() const { return cmode; }

    QTextStream();
    QTextStream( QIODevice * );
    QTextStream( QString*, int mode );
    QTextStream( QString&amp;, int mode );          // obsolete
    QTextStream( QByteArray, int mode );
    QTextStream( FILE *, int mode );
    virtual ~QTextStream();

    QIODevice   *device() const;
    void         setDevice( QIODevice * );
    void         unsetDevice();

    bool         atEnd() const;
    bool         eof() const;

    QTextStream &amp;operator&gt;&gt;( QChar &amp; );
    QTextStream &amp;operator&gt;&gt;( char &amp; );
    QTextStream &amp;operator&gt;&gt;( signed short &amp; );
    QTextStream &amp;operator&gt;&gt;( unsigned short &amp; );
    QTextStream &amp;operator&gt;&gt;( signed int &amp; );
    QTextStream &amp;operator&gt;&gt;( unsigned int &amp; );
    QTextStream &amp;operator&gt;&gt;( signed long &amp; );
    QTextStream &amp;operator&gt;&gt;( unsigned long &amp; );
    QTextStream &amp;operator&gt;&gt;( float &amp; );
    QTextStream &amp;operator&gt;&gt;( double &amp; );
    QTextStream &amp;operator&gt;&gt;( char * );
    QTextStream &amp;operator&gt;&gt;( QString &amp; );
    QTextStream &amp;operator&gt;&gt;( QCString &amp; );

    QTextStream &amp;operator&lt;&lt;( QChar );
    QTextStream &amp;operator&lt;&lt;( char );
    QTextStream &amp;operator&lt;&lt;( signed short );
    QTextStream &amp;operator&lt;&lt;( unsigned short );
    QTextStream &amp;operator&lt;&lt;( signed int );
    QTextStream &amp;operator&lt;&lt;( unsigned int );
    QTextStream &amp;operator&lt;&lt;( signed long );
    QTextStream &amp;operator&lt;&lt;( unsigned long );
    QTextStream &amp;operator&lt;&lt;( float );
    QTextStream &amp;operator&lt;&lt;( double );
    QTextStream &amp;operator&lt;&lt;( const char* );
    QTextStream &amp;operator&lt;&lt;( const QString &amp; );
    QTextStream &amp;operator&lt;&lt;( const QCString &amp; );
    QTextStream &amp;operator&lt;&lt;( void * );          // any pointer

    QTextStream &amp;readRawBytes( char *, uint len );
    QTextStream &amp;writeRawBytes( const char* , uint len );

    QString     readLine();
    QString     read();
    void        skipWhiteSpace();

    enum {
        skipws    = 0x0001,                     // skip whitespace on input
        left      = 0x0002,                     // left-adjust output
        right     = 0x0004,                     // right-adjust output
        internal  = 0x0008,                     // pad after sign
        bin       = 0x0010,                     // binary format integer
        oct       = 0x0020,                     // octal format integer
        dec       = 0x0040,                     // decimal format integer
        hex       = 0x0080,                     // hex format integer
        showbase  = 0x0100,                     // show base indicator
        showpoint = 0x0200,                     // force decimal point (float)
        uppercase = 0x0400,                     // upper-case hex output
        showpos   = 0x0800,                     // add '+' to positive integers
        scientific= 0x1000,                     // scientific float output
        fixed     = 0x2000                      // fixed float output
    };

    static const int basefield;                 // bin | oct | dec | hex
    static const int adjustfield;               // left | right | internal
    static const int floatfield;                // scientific | fixed

    int   flags() const;
    int   flags( int f );
    int   setf( int bits );
    int   setf( int bits, int mask );
    int   unsetf( int bits );

    void  reset();

    int   width()       const;
    int   width( int );
    int   fill()        const;
    int   fill( int );
    int   precision()   const;
    int   precision( int );

private:
    long         input_int();
    void        init();
    QTextStream &amp;output_int( int, ulong, bool );
    QIODevice   *dev;
    bool        isNetworkOrder() { return internalOrder == QChar::networkOrdered(); }

    int          fflags;
    int          fwidth;
    int          fillchar;
    int          fprec;
    bool         fstrm;
    bool         owndev;
    QTextCodec  *mapper;
    QTextStreamPrivate * d;
    QChar       ungetcBuf;
    bool        latin1;
    bool        internalOrder;
    bool        doUnicodeHeader;
    void        *reserved_ptr;

    QChar       eat_ws();
    void        ts_ungetc( QChar );
    QChar       ts_getc();
    uint        ts_getbuf( QChar*, uint );
    void        ts_putc(int);
    void        ts_putc(QChar);
    bool        ts_isspace(QChar);
    bool        ts_isdigit(QChar);
    ulong       input_bin();
    ulong       input_oct();
    ulong       input_dec();
    ulong       input_hex();
    double      input_double();
    QTextStream &amp;writeBlock( const char* p, uint len );
    QTextStream &amp;writeBlock( const QChar* p, uint len );

private:        // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
    QTextStream( const QTextStream &amp; );
    QTextStream &amp;operator=( const QTextStream &amp; );
#endif
};

typedef QTextStream QTS;

class Q_EXPORT <a href="qtextistream.html">QTextIStream</a> : public <a href="qtextstream.html">QTextStream</a> {
public:
    QTextIStream( QString* s ) :
        QTextStream(s,IO_ReadOnly) { }
    QTextIStream( QByteArray ba ) :
        QTextStream(ba,IO_ReadOnly) { }
    QTextIStream( FILE *f ) :
        QTextStream(f,IO_ReadOnly) { }
};

class Q_EXPORT <a href="qtextostream.html">QTextOStream</a> : public <a href="qtextstream.html">QTextStream</a> {
public:
    QTextOStream( QString* s ) :
        QTextStream(s,IO_WriteOnly) { }
    QTextOStream( QByteArray ba ) :
        QTextStream(ba,IO_WriteOnly) { }
    QTextOStream( FILE *f ) :
        QTextStream(f,IO_WriteOnly) { }
};

/*****************************************************************************
  QTextStream inline functions
 *****************************************************************************/

inline QIODevice *QTextStream::device() const
{ return dev; }

inline bool QTextStream::atEnd() const
{ return dev ? dev-&gt;atEnd() : FALSE; }

inline bool QTextStream::eof() const
{ return atEnd(); }

inline int QTextStream::flags() const
{ return fflags; }

inline int QTextStream::flags( int f )
{ int oldf = fflags;  fflags = f;  return oldf; }

inline int QTextStream::setf( int bits )
{ int oldf = fflags;  fflags |= bits;  return oldf; }

inline int QTextStream::setf( int bits, int mask )
{ int oldf = fflags;  fflags = (fflags &amp; ~mask) | (bits &amp; mask); return oldf; }

inline int QTextStream::unsetf( int bits )
{ int oldf = fflags;  fflags &amp;= ~bits;  return oldf; }

inline int QTextStream::width() const
{ return fwidth; }

inline int QTextStream::width( int w )
{ int oldw = fwidth;  fwidth = w;  return oldw;  }

inline int QTextStream::fill() const
{ return fillchar; }

inline int QTextStream::fill( int f )
{ int oldc = fillchar;  fillchar = f;  return oldc;  }

inline int QTextStream::precision() const
{ return fprec; }

inline int QTextStream::precision( int p )
{ int oldp = fprec;  fprec = p;  return oldp;  }

/*!
  Returns one character from the stream, or EOF.
*/
inline QChar QTextStream::ts_getc()
{ QChar r; return ( ts_getbuf( &amp;r,1 ) == 1 ? r : QChar((ushort)0xffff) ); }

/*****************************************************************************
  QTextStream manipulators
 *****************************************************************************/

typedef QTextStream &amp; (*QTSFUNC)(QTextStream &amp;);// manipulator function
typedef int (QTextStream::*QTSMFI)(int);        // manipulator w/int argument

class Q_EXPORT QTSManip {                       // text stream manipulator
public:
    QTSManip( QTSMFI m, int a ) { mf=m; arg=a; }
    void exec( QTextStream &amp;s ) { (s.*mf)(arg); }
private:
    QTSMFI mf;                                  // QTextStream member function
    int    arg;                                 // member function argument
};

Q_EXPORT inline QTextStream &amp;operator&gt;&gt;( QTextStream &amp;s, QTSFUNC f )
{ return (*f)( s ); }

Q_EXPORT inline QTextStream &amp;operator&lt;&lt;( QTextStream &amp;s, QTSFUNC f )
{ return (*f)( s ); }

Q_EXPORT inline QTextStream &amp;operator&lt;&lt;( QTextStream &amp;s, QTSManip m )
{ m.exec(s); return s; }

Q_EXPORT QTextStream &amp;bin( QTextStream &amp;s );    // set bin notation
Q_EXPORT QTextStream &amp;oct( QTextStream &amp;s );    // set oct notation
Q_EXPORT QTextStream &amp;dec( QTextStream &amp;s );    // set dec notation
Q_EXPORT QTextStream &amp;hex( QTextStream &amp;s );    // set hex notation
Q_EXPORT QTextStream &amp;endl( QTextStream &amp;s );   // insert EOL ('\n')
Q_EXPORT QTextStream &amp;flush( QTextStream &amp;s );  // flush output
Q_EXPORT QTextStream &amp;ws( QTextStream &amp;s );     // eat whitespace on input
Q_EXPORT QTextStream &amp;reset( QTextStream &amp;s );  // set default flags

Q_EXPORT inline QTSManip qSetW( int w )
{
    QTSMFI func = &amp;QTextStream::width;
    return QTSManip(func,w);
}

Q_EXPORT inline QTSManip qSetFill( int f )
{
    QTSMFI func = &amp;QTextStream::fill;
    return QTSManip(func,f);
}

Q_EXPORT inline QTSManip qSetPrecision( int p )
{
    QTSMFI func = &amp;QTextStream::precision;
    return QTSManip(func,p);
}


#ifndef QT_ALTERNATE_QTSMANIP

// These will go away in Qt 3.0, as they conflict with std libs
//
// If you get conflicts now, #define QT_ALTERNATE_QTSMANIP before
// including this file.

Q_EXPORT inline QTSManip setw( int w )
{
    QTSMFI func = &amp;QTextStream::width;
    return QTSManip(func,w);
}

Q_EXPORT inline QTSManip setfill( int f )
{
    QTSMFI func = &amp;QTextStream::fill;
    return QTSManip(func,f);
}

Q_EXPORT inline QTSManip setprecision( int p )
{
    QTSMFI func = &amp;QTextStream::precision;
    return QTSManip(func,p);
}
#endif

#endif // QT_NO_TEXTSTREAM
#endif // QTEXTSTREAM_H

</pre>
<p><address><hr><div align="center">
<table width="100%" cellspacing="0" border="0"><tr>
<td>Copyright  2001 Trolltech<td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a>
<td align="right"><div align="right">Qt version 2.3.2</div>
</table></div></address></body></html>