public IDelimiterStateMachine Process(string input, int pos, DelimiterState targetRegion, StringBuilder output)
{
output.Append(input[pos]);
switch (input[pos])
{
case '"': return(new CharStateOther());
default: return(this);
}
}
public void ReadDelimiterCharTest()
{
char[] buffer = new char[1];
int bufferPosition = 0;
DelimiterState target = new DelimiterState(',', new EndState());
StateReader resultState = target.ReadChar(',', ref buffer, ref bufferPosition);
Assert.AreNotEqual(',', buffer[0]);
Assert.IsTrue(resultState is EndState);
}
public void ReadEndOfNewLineCharTest()
{
char[] buffer = new char[2];
int bufferPosition = 0;
StateReader target = new DelimiterState(',', new EndState());
target = target.ReadChar('\r', ref buffer, ref bufferPosition);
Assert.AreNotEqual('\r', buffer[0]);
Assert.AreEqual(0, bufferPosition);
Assert.IsTrue(target is EndNewLinePatternState);
target = target.ReadChar('\n', ref buffer, ref bufferPosition);
Assert.AreNotEqual('\n', buffer[0]);
Assert.AreEqual(0, bufferPosition);
Assert.IsTrue(target is EndNewLinePatternState);
}
public static string Translate(string input, DelimiterState targetDelimiter)
{
// from European
// ; -> ,
// , -> .
// from English
// , -> ;
// . -> ,
// TopPercent( 10.0,
StringBuilder output = new StringBuilder(input.Length);
IDelimiterStateMachine currentState = new CharStateOther();
for (int i = 0; i < input.Length; i++)
{
currentState = currentState.Process(input, i, targetDelimiter, output);
}
return(output.ToString());
}
public IDelimiterStateMachine Process(string input, int pos, DelimiterState targetRegion, StringBuilder output)
{
switch (input[pos])
{
case '"':
output.Append(input[pos]);
return(new CharStateString());
case '\'':
output.Append(input[pos]);
return(new CharStateTable());
case '[':
output.Append(input[pos]);
return(new CharStateColumn());
case ';':
if (targetRegion == DelimiterState.Unknown)
{
targetRegion = DelimiterState.Comma;
}
if (targetRegion == DelimiterState.Comma)
{
output.Append(',');
}
else
{
output.Append(input[pos]);
}
return(this);
case '.':
if (targetRegion == DelimiterState.Unknown)
{
if (pos > 0 && pos < input.Length - 1 && IsNumeric(input[pos - 1]) && IsNumeric(input[pos + 1]))
{
targetRegion = DelimiterState.SemiColon;
}
}
if (targetRegion == DelimiterState.SemiColon)
{
output.Append(',');
}
if (targetRegion == DelimiterState.Comma)
{
output.Append(input[pos]);
}
return(this);
case ',':
if (targetRegion == DelimiterState.Unknown)
{
if (pos > 0 && pos < input.Length - 1 && IsNumeric(input[pos - 1]) && IsNumeric(input[pos + 1]))
{
targetRegion = DelimiterState.Comma;
}
else
{
targetRegion = DelimiterState.SemiColon;
}
}
switch (targetRegion)
{
case DelimiterState.SemiColon:
output.Append(';');
break;
case DelimiterState.Comma:
output.Append('.');
break;
default:
output.Append(input[pos]);
break;
}
return(this);
default:
output.Append(input[pos]);
return(this);
}
}
