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101 lines
2.0 KiB
C++
101 lines
2.0 KiB
C++
/**
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* \file qstring_helper.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Dekel Tsur
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*
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* Full author contact details are available in file CREDITS.
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*
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* A collection of unicode conversion functions, using iconv.
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*/
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#include <config.h>
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#include "support/qstring_helpers.h"
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#include "support/debug.h"
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#include "support/docstring.h"
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#include "support/qstring_helpers.h"
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#include <QRegExp>
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#include <QString>
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#include <QVector>
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namespace lyx {
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LyXErr & operator<<(LyXErr & err, QString const & str)
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{
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return err << fromqstr(str);
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}
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QString toqstr(char const * str)
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{
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return QString::fromUtf8(str);
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}
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QString toqstr(std::string const & str)
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{
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return toqstr(str.c_str());
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}
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QString toqstr(docstring const & ucs4)
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{
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// If possible we let qt do the work, since this version does not
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// need to be superfast.
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if (ucs4.empty())
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return QString();
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return QString::fromUcs4((uint const *)ucs4.data(), ucs4.length());
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}
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QString toqstr(char_type ucs4)
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{
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union { char_type c; uint i; } u = { ucs4 };
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return QString::fromUcs4(&u.i, 1);
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}
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docstring qstring_to_ucs4(QString const & qstr)
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{
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if (qstr.isEmpty())
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return docstring();
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QVector<uint> const ucs4 = qstr.toUcs4();
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return docstring((char_type const *)(ucs4.constData()), ucs4.size());
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}
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std::string fromqstr(QString const & str)
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{
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return str.isEmpty() ? std::string() : std::string(str.toUtf8());
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}
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QString charFilterRegExp(QString const & filter)
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{
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QString re = ".*";
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for (int i = 0; i < filter.length(); ++i) {
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QChar c = filter[i];
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if (c.isLower())
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re += "["+ QRegExp::escape(c) + QRegExp::escape(c.toUpper()) + "]";
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else
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re += QRegExp::escape(c);
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}
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return re;
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}
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QString charFilterRegExpC(QString const & filter)
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{
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QString re = "(";
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for (int i = 0; i < filter.length(); ++i) {
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QChar c = filter[i];
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if (c.isLower())
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re += "["+ QRegExp::escape(c) + QRegExp::escape(c.toUpper()) + "]";
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else
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re += QRegExp::escape(c);
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}
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return re + ")";
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}
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} // namespace lyx
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