QString QgsStringUtils::capitalize( const QString& string, QgsStringUtils::Capitalization capitalization )
{
if ( string.isEmpty() )
return QString();
switch ( capitalization )
{
case MixedCase:
return string;
case AllUppercase:
return string.toUpper();
case AllLowercase:
return string.toLower();
case ForceFirstLetterToCapital:
{
QString temp = string;
QTextBoundaryFinder wordSplitter( QTextBoundaryFinder::Word, string.constData(), string.length(), 0, 0 );
QTextBoundaryFinder letterSplitter( QTextBoundaryFinder::Grapheme, string.constData(), string.length(), 0, 0 );
wordSplitter.setPosition( 0 );
bool first = true;
while (( first && wordSplitter.boundaryReasons() & QTextBoundaryFinder::StartOfItem )
|| wordSplitter.toNextBoundary() >= 0 )
{
first = false;
letterSplitter.setPosition( wordSplitter.position() );
letterSplitter.toNextBoundary();
QString substr = string.mid( wordSplitter.position(), letterSplitter.position() - wordSplitter.position() );
temp.replace( wordSplitter.position(), substr.length(), substr.toUpper() );
}
return temp;
}
}
// no warnings
return string;
}
QString QgsStringUtils::capitalize( const QString &string, QgsStringUtils::Capitalization capitalization )
{
if ( string.isEmpty() )
return QString();
switch ( capitalization )
{
case MixedCase:
return string;
case AllUppercase:
return string.toUpper();
case AllLowercase:
return string.toLower();
case ForceFirstLetterToCapital:
{
QString temp = string;
QTextBoundaryFinder wordSplitter( QTextBoundaryFinder::Word, string.constData(), string.length(), nullptr, 0 );
QTextBoundaryFinder letterSplitter( QTextBoundaryFinder::Grapheme, string.constData(), string.length(), nullptr, 0 );
wordSplitter.setPosition( 0 );
bool first = true;
while ( ( first && wordSplitter.boundaryReasons() & QTextBoundaryFinder::StartOfItem )
|| wordSplitter.toNextBoundary() >= 0 )
{
first = false;
letterSplitter.setPosition( wordSplitter.position() );
letterSplitter.toNextBoundary();
QString substr = string.mid( wordSplitter.position(), letterSplitter.position() - wordSplitter.position() );
temp.replace( wordSplitter.position(), substr.length(), substr.toUpper() );
}
return temp;
}
case TitleCase:
{
// yes, this is MASSIVELY simplifying the problem!!
static QStringList smallWords;
static QStringList newPhraseSeparators;
static QRegularExpression splitWords;
if ( smallWords.empty() )
{
smallWords = QObject::tr( "a|an|and|as|at|but|by|en|for|if|in|nor|of|on|or|per|s|the|to|vs.|vs|via" ).split( '|' );
newPhraseSeparators = QObject::tr( ".|:" ).split( '|' );
splitWords = QRegularExpression( QStringLiteral( "\\b" ), QRegularExpression::UseUnicodePropertiesOption );
}
const QStringList parts = string.split( splitWords, QString::SkipEmptyParts );
QString result;
bool firstWord = true;
int i = 0;
int lastWord = parts.count() - 1;
for ( const QString &word : qgis::as_const( parts ) )
{
if ( newPhraseSeparators.contains( word.trimmed() ) )
{
firstWord = true;
result += word;
}
else if ( firstWord || ( i == lastWord ) || !smallWords.contains( word ) )
{
result += word.at( 0 ).toUpper() + word.mid( 1 );
firstWord = false;
}
else
{
result += word;
}
i++;
}
return result;
}
}
// no warnings
return string;
}