Mercurial > hg > svcore
view base/StringBits.h @ 1886:f803d3c33f76 tip
Switch off copious debug in soft synth driving
author | Chris Cannam |
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date | Fri, 14 Aug 2020 10:44:44 +0100 |
parents | bde22957545e |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ /* This is a modified version of a source file from the Rosegarden MIDI and audio sequencer and notation editor. This file copyright 2000-2010 Chris Cannam. */ #ifndef SV_STRING_BITS_H #define SV_STRING_BITS_H #include <QString> #include <QStringList> #include <QChar> class StringBits { public: /** * Convert a string to a double using basic "C"-locale syntax, * i.e. always using '.' as a decimal point. We use this as a * fallback when parsing files from an unknown source, if * locale-specific conversion fails. Does not support e notation. * If ok is non-NULL, *ok will be set to true if conversion * succeeds or false otherwise. */ static double stringToDoubleLocaleFree(QString s, bool *ok = 0); enum EscapeMode { EscapeAny, // support both backslash and doubling escapes EscapeBackslash, // support backslash escapes only EscapeDoubling, // support doubling escapes ("" for " etc) only EscapeNone // support no escapes }; /** * Split a string at the given separator character, allowing * quoted sections that contain the separator. If the separator * is ' ', any (amount of) whitespace will be considered as a * single separator. If the separator is another whitespace * character such as '\t', it will be used literally. */ static QStringList splitQuoted(QString s, QChar separator, EscapeMode escapeMode = EscapeAny); /** * Split a string at the given separator character. If quoted is * true, do so by calling splitQuoted (above) in EscapeAny escape * mode. If quoted is false, use QString::split; if separator is * ' ', use SkipEmptyParts behaviour, otherwise use KeepEmptyParts * (this is analogous to the behaviour of splitQuoted). */ static QStringList split(QString s, QChar separator, bool quoted); /** * Join a vector of strings into a single string, with the * delimiter as the joining string. If a string contains the * delimiter already, quote it with double-quotes, replacing any * existing double-quotes within it by a pair of double-quotes, as * specified in RFC 4180 Common Format and MIME Type for * Comma-Separated Values (CSV) Files. */ static QString joinDelimited(QVector<QString> row, QString delimiter); /** * Return true if the given byte array contains a valid UTF-8 * sequence, false if not. If isTruncated is true, the byte array * will be treated as the prefix of a longer byte sequence, and * any errors resulting from a multibyte code ending prematurely * at the end of the array will be ignored. */ static bool isValidUtf8(const std::string &bytes, bool isTruncated); }; #endif