git-svn-id: http://svn.osgeo.org/qgis/trunk@12580 c8812cc2-4d05-0410-92ff-de0c093fc19c
This commit is contained in:
jef 2009-12-22 16:13:58 +00:00
parent 3a7851c8a1
commit adff896599
2 changed files with 65 additions and 18 deletions

View File

@ -44,6 +44,66 @@ static const QString TEXT_PROVIDER_KEY = "delimitedtext";
static const QString TEXT_PROVIDER_DESCRIPTION = "Delimited text data provider";
QStringList QgsDelimitedTextProvider::splitLine( QString line )
{
QgsDebugMsg( "Attempting to split the input line: " + line + " using delimiter " + mDelimiter );
QStringList parts;
if ( mDelimiterType == "regexp" )
parts = line.split( mDelimiterRegexp );
else
parts = line.split( mDelimiter );
QgsDebugMsg( "Split line into " + QString::number( parts.size() ) + " parts" );
if ( mDelimiterType == "plain" )
{
QChar delim;
int i = 0, first = parts.size();
while ( i < parts.size() )
{
if ( delim == 0 && ( parts[i][0] == '"' || parts[i][0] == '\'' ) )
{
delim = parts[i][0];
first = i;
continue;
}
if ( delim != 0 && parts[i][ parts[i].length() - 1 ] == delim )
{
parts[first] = parts[first].mid( 1 );
parts[i] = parts[i].left( parts[i].length() - 1 );
if ( first < i )
{
QStringList values;
while ( first <= i )
{
values << parts[first];
parts.takeAt( first );
i--;
}
parts.insert( first, values.join( mDelimiter ) );
}
first = -1;
delim = 0;
}
i++;
if ( i == parts.size() && first >= 0 )
{
i = first + 1;
first = -1;
delim = 0;
}
}
}
return parts;
}
QgsDelimitedTextProvider::QgsDelimitedTextProvider( QString uri )
: QgsVectorDataProvider( uri ),
@ -137,14 +197,7 @@ QgsDelimitedTextProvider::QgsDelimitedTextProvider( QString uri )
{
// Get the fields from the header row and store them in the
// fields vector
QgsDebugMsg( "Attempting to split the input line: " + line + " using delimiter " + mDelimiter );
QStringList fieldList;
if ( mDelimiterType == "regexp" )
fieldList = line.split( mDelimiterRegexp );
else
fieldList = line.split( mDelimiter );
QgsDebugMsg( "Split line into " + QString::number( fieldList.size() ) + " parts" );
QStringList fieldList = splitLine( line );
// We don't know anything about a text based field other
// than its name. All fields are assumed to be text
@ -185,11 +238,7 @@ QgsDelimitedTextProvider::QgsDelimitedTextProvider( QString uri )
mNumberFeatures++;
// split the line on the delimiter
QStringList parts;
if ( mDelimiterType == "regexp" )
parts = line.split( mDelimiterRegexp );
else
parts = line.split( mDelimiter );
QStringList parts = splitLine( line );
// Skip malformed lines silently. Report line number with nextFeature()
if ( attributeFields.size() != parts.size() )
@ -293,11 +342,7 @@ bool QgsDelimitedTextProvider::nextFeature( QgsFeature& feature )
QString line = mStream->readLine(); // Default local 8 bit encoding
// lex the tokens from the current data line
QStringList tokens;
if ( mDelimiterType == "regexp" )
tokens = line.split( mDelimiterRegexp );
else
tokens = line.split( mDelimiter );
QStringList tokens = splitLine( line );
bool xOk = false;
bool yOk = false;

View File

@ -219,4 +219,6 @@ class QgsDelimitedTextProvider : public QgsVectorDataProvider
};
wkbPoint mWKBpt;
QStringList splitLine( QString line );
};