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Made strings translatable, made some functions static
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@wonder-sk
wonder-sk committed Aug 19, 2011
1 parent 2154a81 commit 9e58b07
Showing 1 changed file with 40 additions and 38 deletions.
78 changes: 40 additions & 38 deletions src/core/qgsexpression.cpp
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Expand Up @@ -37,22 +37,24 @@ enum TVL
Unknown
};

static TVL AND[3][3] = {
static TVL AND[3][3] =
{
// false true unknown
{ False, False, False }, // false
{ False, True, Unknown }, // true
{ False, Unknown, Unknown } // unknown
};

static TVL OR[3][3] = {
static TVL OR[3][3] =
{
{ False, True, Unknown }, // false
{ True, True, True }, // true
{ Unknown, True, Unknown } // unknown
};

static TVL NOT[3] = { True, False, Unknown };

QVariant tvl2variant( TVL v )
static QVariant tvl2variant( TVL v )
{
switch ( v )
{
Expand Down Expand Up @@ -122,7 +124,7 @@ static double getDoubleValue( const QVariant& value, QgsExpression* parent )
double x = value.toDouble( &ok );
if ( !ok )
{
parent->setEvalErrorString( QString( "Cannot convert '%1' to double" ).arg( value.toString() ) );
parent->setEvalErrorString( QObject::tr( "Cannot convert '%1' to double" ).arg( value.toString() ) );
return 0;
}
return x;
Expand All @@ -134,7 +136,7 @@ static int getIntValue( const QVariant& value, QgsExpression* parent )
int x = value.toInt( &ok );
if ( !ok )
{
parent->setEvalErrorString( QString( "Cannot convert '%1' to int" ).arg( value.toString() ) );
parent->setEvalErrorString( QObject::tr( "Cannot convert '%1' to int" ).arg( value.toString() ) );
return 0;
}
return x;
Expand All @@ -155,90 +157,90 @@ static TVL getTVLValue( const QVariant& value, QgsExpression* parent )
double x = value.toDouble( &ok );
if ( !ok )
{
parent->setEvalErrorString( QString( "Cannot convert '%1' to boolean" ).arg( value.toString() ) );
parent->setEvalErrorString( QObject::tr( "Cannot convert '%1' to boolean" ).arg( value.toString() ) );
return Unknown;
}
return x != 0 ? True : False;
}

//////

QVariant fcnSqrt( const QVariantList& values, QgsFeature* /*f*/, QgsExpression* parent )
static QVariant fcnSqrt( const QVariantList& values, QgsFeature* /*f*/, QgsExpression* parent )
{
double x = getDoubleValue( values.at( 0 ), parent );
return QVariant( sqrt( x ) );
}
QVariant fcnSin( const QVariantList& values, QgsFeature* , QgsExpression* parent )
static QVariant fcnSin( const QVariantList& values, QgsFeature* , QgsExpression* parent )
{
double x = getDoubleValue( values.at( 0 ), parent );
return QVariant( sin( x ) );
}
QVariant fcnCos( const QVariantList& values, QgsFeature* , QgsExpression* parent )
static QVariant fcnCos( const QVariantList& values, QgsFeature* , QgsExpression* parent )
{
double x = getDoubleValue( values.at( 0 ), parent );
return QVariant( cos( x ) );
}
QVariant fcnTan( const QVariantList& values, QgsFeature* , QgsExpression* parent )
static QVariant fcnTan( const QVariantList& values, QgsFeature* , QgsExpression* parent )
{
double x = getDoubleValue( values.at( 0 ), parent );
return QVariant( tan( x ) );
}
QVariant fcnAsin( const QVariantList& values, QgsFeature* , QgsExpression* parent )
static QVariant fcnAsin( const QVariantList& values, QgsFeature* , QgsExpression* parent )
{
double x = getDoubleValue( values.at( 0 ), parent );
return QVariant( asin( x ) );
}
QVariant fcnAcos( const QVariantList& values, QgsFeature* , QgsExpression* parent )
static QVariant fcnAcos( const QVariantList& values, QgsFeature* , QgsExpression* parent )
{
double x = getDoubleValue( values.at( 0 ), parent );
return QVariant( acos( x ) );
}
QVariant fcnAtan( const QVariantList& values, QgsFeature* , QgsExpression* parent )
static QVariant fcnAtan( const QVariantList& values, QgsFeature* , QgsExpression* parent )
{
double x = getDoubleValue( values.at( 0 ), parent );
return QVariant( atan( x ) );
}
QVariant fcnAtan2( const QVariantList& values, QgsFeature* , QgsExpression* parent )
static QVariant fcnAtan2( const QVariantList& values, QgsFeature* , QgsExpression* parent )
{
double y = getDoubleValue( values.at( 0 ), parent );
double x = getDoubleValue( values.at( 1 ), parent );
return QVariant( atan2( y, x ) );
}
QVariant fcnToInt( const QVariantList& values, QgsFeature* , QgsExpression* parent )
static QVariant fcnToInt( const QVariantList& values, QgsFeature* , QgsExpression* parent )
{
return QVariant( getIntValue( values.at( 0 ), parent ) );
}
QVariant fcnToReal( const QVariantList& values, QgsFeature* , QgsExpression* parent )
static QVariant fcnToReal( const QVariantList& values, QgsFeature* , QgsExpression* parent )
{
return QVariant( getDoubleValue( values.at( 0 ), parent ) );
}
QVariant fcnToString( const QVariantList& values, QgsFeature* , QgsExpression* parent )
static QVariant fcnToString( const QVariantList& values, QgsFeature* , QgsExpression* parent )
{
return QVariant( getStringValue( values.at( 0 ), parent ) );
}
QVariant fcnLower( const QVariantList& values, QgsFeature* , QgsExpression* parent )
static QVariant fcnLower( const QVariantList& values, QgsFeature* , QgsExpression* parent )
{
QString str = getStringValue( values.at( 0 ), parent );
return QVariant( str.toLower() );
}
QVariant fcnUpper( const QVariantList& values, QgsFeature* , QgsExpression* parent )
static QVariant fcnUpper( const QVariantList& values, QgsFeature* , QgsExpression* parent )
{
QString str = getStringValue( values.at( 0 ), parent );
return QVariant( str.toUpper() );
}
QVariant fcnLength( const QVariantList& values, QgsFeature* , QgsExpression* parent )
static QVariant fcnLength( const QVariantList& values, QgsFeature* , QgsExpression* parent )
{
QString str = getStringValue( values.at( 0 ), parent );
return QVariant( str.length() );
}
QVariant fcnReplace( const QVariantList& values, QgsFeature* , QgsExpression* parent )
static QVariant fcnReplace( const QVariantList& values, QgsFeature* , QgsExpression* parent )
{
QString str = getStringValue( values.at( 0 ), parent );
QString before = getStringValue( values.at( 1 ), parent );
QString after = getStringValue( values.at( 2 ), parent );
return QVariant( str.replace( before, after ) );
}
QVariant fcnRegexpReplace( const QVariantList& values, QgsFeature* , QgsExpression* parent )
static QVariant fcnRegexpReplace( const QVariantList& values, QgsFeature* , QgsExpression* parent )
{
QString str = getStringValue( values.at( 0 ), parent );
QString regexp = getStringValue( values.at( 1 ), parent );
Expand All @@ -247,25 +249,25 @@ QVariant fcnRegexpReplace( const QVariantList& values, QgsFeature* , QgsExpressi
QRegExp re( regexp );
if ( !re.isValid() )
{
parent->setEvalErrorString( QString( "Invalid regular expression '%1': %2" ).arg( regexp ).arg( re.errorString() ) );
parent->setEvalErrorString( QObject::tr( "Invalid regular expression '%1': %2" ).arg( regexp ).arg( re.errorString() ) );
return QVariant();
}
return QVariant( str.replace( re, after ) );
}
QVariant fcnSubstr( const QVariantList& values, QgsFeature* , QgsExpression* parent )
static QVariant fcnSubstr( const QVariantList& values, QgsFeature* , QgsExpression* parent )
{
QString str = getStringValue( values.at( 0 ), parent );
int from = getIntValue( values.at( 1 ), parent );
int len = getIntValue( values.at( 2 ), parent );
return QVariant( str.mid( from -1, len ) );
}

QVariant fcnRowNumber( const QVariantList& , QgsFeature* , QgsExpression* parent )
static QVariant fcnRowNumber( const QVariantList& , QgsFeature* , QgsExpression* parent )
{
return QVariant( parent->currentRowNumber() );
}

QVariant fcnFeatureId( const QVariantList& , QgsFeature* f, QgsExpression* )
static QVariant fcnFeatureId( const QVariantList& , QgsFeature* f, QgsExpression* )
{
// TODO: handling of 64-bit feature ids?
return f ? QVariant(( int )f->id() ) : QVariant();
Expand All @@ -276,12 +278,12 @@ QVariant fcnFeatureId( const QVariantList& , QgsFeature* f, QgsExpression* )
if (!g || g->type() != geomtype) return QVariant();


QVariant fcnX( const QVariantList& , QgsFeature* f, QgsExpression* )
static QVariant fcnX( const QVariantList& , QgsFeature* f, QgsExpression* )
{
ENSURE_GEOM_TYPE( f, g, QGis::Point );
return g->asPoint().x();
}
QVariant fcnY( const QVariantList& , QgsFeature* f, QgsExpression* )
static QVariant fcnY( const QVariantList& , QgsFeature* f, QgsExpression* )
{
ENSURE_GEOM_TYPE( f, g, QGis::Point );
return g->asPoint().y();
Expand All @@ -297,21 +299,21 @@ static QVariant pointAt( const QVariantList& values, QgsFeature* f, QgsExpressio

if ( idx < 0 || idx >= polyline.count() )
{
parent->setEvalErrorString( "Index is out of range" );
parent->setEvalErrorString( QObject::tr( "Index is out of range" ) );
return QVariant();
}
return QVariant( QPointF( polyline[idx].x(), polyline[idx].y() ) );
}

QVariant fcnXat( const QVariantList& values, QgsFeature* f, QgsExpression* parent )
static QVariant fcnXat( const QVariantList& values, QgsFeature* f, QgsExpression* parent )
{
QVariant v = pointAt( values, f, parent );
if ( v.type() == QVariant::PointF )
return QVariant( v.toPointF().x() );
else
return QVariant();
}
QVariant fcnYat( const QVariantList& values, QgsFeature* f, QgsExpression* parent )
static QVariant fcnYat( const QVariantList& values, QgsFeature* f, QgsExpression* parent )
{
QVariant v = pointAt( values, f, parent );
if ( v.type() == QVariant::PointF )
Expand All @@ -320,19 +322,19 @@ QVariant fcnYat( const QVariantList& values, QgsFeature* f, QgsExpression* paren
return QVariant();
}

QVariant fcnGeomArea( const QVariantList& , QgsFeature* f, QgsExpression* parent )
static QVariant fcnGeomArea( const QVariantList& , QgsFeature* f, QgsExpression* parent )
{
ENSURE_GEOM_TYPE( f, g, QGis::Polygon );
QgsDistanceArea* calc = parent->geomCalculator();
return QVariant( calc->measure( f->geometry() ) );
}
QVariant fcnGeomLength( const QVariantList& , QgsFeature* f, QgsExpression* parent )
static QVariant fcnGeomLength( const QVariantList& , QgsFeature* f, QgsExpression* parent )
{
ENSURE_GEOM_TYPE( f, g, QGis::Line );
QgsDistanceArea* calc = parent->geomCalculator();
return QVariant( calc->measure( f->geometry() ) );
}
QVariant fcnGeomPerimeter( const QVariantList& , QgsFeature* f, QgsExpression* parent )
static QVariant fcnGeomPerimeter( const QVariantList& , QgsFeature* f, QgsExpression* parent )
{
ENSURE_GEOM_TYPE( f, g, QGis::Polygon );
QgsDistanceArea* calc = parent->geomCalculator();
Expand Down Expand Up @@ -455,7 +457,7 @@ bool QgsExpression::prepare( const QgsFieldMap& fields )
mEvalErrorString = QString();
if ( !mRootNode )
{
mEvalErrorString = "No root node! Parsing failed?";
mEvalErrorString = QObject::tr( "No root node! Parsing failed?" );
return false;
}

Expand All @@ -467,7 +469,7 @@ QVariant QgsExpression::evaluate( QgsFeature* f )
mEvalErrorString = QString();
if ( !mRootNode )
{
mEvalErrorString = "No root node! Parsing failed?";
mEvalErrorString = QObject::tr( "No root node! Parsing failed?" );
return QVariant();
}

Expand Down Expand Up @@ -529,7 +531,7 @@ QVariant QgsExpression::NodeUnaryOperator::eval( QgsExpression* parent, QgsFeatu
else if ( isDoubleSafe( val ) )
return QVariant( - getDoubleValue( val, parent ) );
else
SET_EVAL_ERROR( "Unary minus only for numeric values." );
SET_EVAL_ERROR( QObject::tr( "Unary minus only for numeric values." ) );
break;
default:
Q_ASSERT( 0 && "unknown unary operation" );
Expand Down Expand Up @@ -906,7 +908,7 @@ bool QgsExpression::NodeColumnRef::prepare( QgsExpression* parent, const QgsFiel
return true;
}
}
parent->mEvalErrorString = QString( "Column %1 not found" ).arg( mName );
parent->mEvalErrorString = QObject::tr( "Column '%1'' not found" ).arg( mName );
mIndex = -1;
return false;
}
Expand Down

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