annotate base/StringBits.h @ 629:35499d48a5d1

* Start overhauling CSV parser to associate purposes with columns en route to its guesses; add some string manipulation code
author Chris Cannam
date Thu, 15 Jul 2010 15:27:21 +0000
parents
children 64ef24ebb19c
rev   line source
Chris@629 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@629 2
Chris@629 3 /*
Chris@629 4 Sonic Visualiser
Chris@629 5 An audio file viewer and annotation editor.
Chris@629 6 Centre for Digital Music, Queen Mary, University of London.
Chris@629 7
Chris@629 8 This program is free software; you can redistribute it and/or
Chris@629 9 modify it under the terms of the GNU General Public License as
Chris@629 10 published by the Free Software Foundation; either version 2 of the
Chris@629 11 License, or (at your option) any later version. See the file
Chris@629 12 COPYING included with this distribution for more information.
Chris@629 13 */
Chris@629 14
Chris@629 15 /*
Chris@629 16 This is a modified version of a source file from the
Chris@629 17 Rosegarden MIDI and audio sequencer and notation editor.
Chris@629 18 This file copyright 2000-2010 Chris Cannam.
Chris@629 19 */
Chris@629 20
Chris@629 21 #ifndef _STRING_BITS_H_
Chris@629 22 #define _STRING_BITS_H_
Chris@629 23
Chris@629 24 #include <QString>
Chris@629 25 #include <QStringList>
Chris@629 26 #include <QChar>
Chris@629 27
Chris@629 28 class StringBits
Chris@629 29 {
Chris@629 30 public:
Chris@629 31 /**
Chris@629 32 * Convert a string to a double using basic "C"-locale syntax,
Chris@629 33 * i.e. always using '.' as a decimal point. We use this as a
Chris@629 34 * fallback when parsing files from an unknown source, if
Chris@629 35 * locale-specific conversion fails. Does not support e notation.
Chris@629 36 * If ok is non-NULL, *ok will be set to true if conversion
Chris@629 37 * succeeds or false otherwise.
Chris@629 38 */
Chris@629 39 static double stringToDoubleLocaleFree(QString s, bool *ok = 0);
Chris@629 40
Chris@629 41 /**
Chris@629 42 * Split a string at the given separator character, allowing
Chris@629 43 * quoted sections that contain the separator. If the separator
Chris@629 44 * is ' ', any (amount of) whitespace will be considered as a
Chris@629 45 * single separator. If the separator is another whitespace
Chris@629 46 * character such as '\t', it will be used literally.
Chris@629 47 */
Chris@629 48 static QStringList splitQuoted(QString s, QChar separator);
Chris@629 49
Chris@629 50 /**
Chris@629 51 * Split a string at the given separator character. If quoted is
Chris@629 52 * true, do so by calling splitQuoted (above). If quoted is
Chris@629 53 * false, use QString::split; if separator is ' ', use
Chris@629 54 * SkipEmptyParts behaviour, otherwise use KeepEmptyParts (this is
Chris@629 55 * analogous to the behaviour of splitQuoted).
Chris@629 56 */
Chris@629 57 static QStringList split(QString s, QChar separator, bool quoted);
Chris@629 58 };
Chris@629 59
Chris@629 60 #endif