public Numeric multiply(Numeric op)
{
if (dim == 0)
{
return(new Numeric(op.valType, absValue * op.absValue,
absValue * op.pcValue,
absValue * op.tcolValue, op.dim, op.pcBase));
}
else if (op.dim == 0)
{
double opval = op.absValue;
return(new Numeric(valType, opval * absValue, opval * pcValue,
opval * tcolValue, dim, pcBase));
}
else if (valType == op.valType && !isMixedType())
{
IPercentBase npcBase = ((valType & PC_LENGTH) != 0) ? pcBase
: op.pcBase;
return(new Numeric(valType, absValue * op.absValue,
pcValue * op.pcValue,
tcolValue * op.tcolValue, dim + op.dim,
npcBase));
}
else
{
throw new PropertyException("Can't multiply mixed Numerics");
}
}
public Numeric divide(Numeric op)
{
if (dim == 0)
{
return(new Numeric(op.valType, absValue / op.absValue,
absValue / op.pcValue,
absValue / op.tcolValue, -op.dim, op.pcBase));
}
else if (op.dim == 0)
{
double opval = op.absValue;
return(new Numeric(valType, absValue / opval, pcValue / opval,
tcolValue / opval, dim, pcBase));
}
else if (valType == op.valType && !isMixedType())
{
IPercentBase npcBase = ((valType & PC_LENGTH) != 0) ? pcBase
: op.pcBase;
return(new Numeric(valType,
(valType == ABS_LENGTH ? absValue / op.absValue : 0.0),
(valType == PC_LENGTH ? pcValue / op.pcValue : 0.0),
(valType == TCOL_LENGTH ? tcolValue / op.tcolValue : 0.0),
dim - op.dim, npcBase));
}
else
{
throw new PropertyException("Can't divide mixed Numerics.");
}
}
protected Numeric(int valType, double absValue, double pcValue,
double tcolValue, int dim, IPercentBase pcBase)
{
this.valType = valType;
this.absValue = absValue;
this.pcValue = pcValue;
this.tcolValue = tcolValue;
this.dim = dim;
this.pcBase = pcBase;
}
protected Numeric(int valType, double absValue, double pcValue,
double tcolValue, int dim, IPercentBase pcBase)
{
this.valType = valType;
this.absValue = absValue;
this.pcValue = pcValue;
this.tcolValue = tcolValue;
this.dim = dim;
this.pcBase = pcBase;
}
public Numeric add(Numeric op)
{
if (dim == op.dim)
{
IPercentBase npcBase = ((valType & PC_LENGTH) != 0) ? pcBase
: op.pcBase;
return(new Numeric(valType | op.valType, absValue + op.absValue,
pcValue + op.pcValue,
tcolValue + op.tcolValue, dim, npcBase));
}
else
{
throw new PropertyException("Can't add Numerics of different dimensions");
}
}
public IPercentBase GetPercentBase()
{
IPercentBase pcbase = getFunctionPercentBase();
return((pcbase != null) ? pcbase : maker.GetPercentBase(fo, plist));
}
private Property parsePrimaryExpr()
{
Property prop;
switch (currentToken)
{
case TOK_LPAR:
next();
prop = parseAdditiveExpr();
expectRpar();
return(prop);
case TOK_LITERAL:
prop = new StringProperty(currentTokenValue);
break;
case TOK_NCNAME:
prop = new NCnameProperty(currentTokenValue);
break;
case TOK_FLOAT:
prop = new NumberProperty(ParseDouble(currentTokenValue));
break;
case TOK_INTEGER:
prop = new NumberProperty(Int32.Parse(currentTokenValue));
break;
case TOK_PERCENT:
double pcval = ParseDouble(
currentTokenValue.Substring(0, currentTokenValue.Length - 1)) / 100.0;
IPercentBase pcBase = this.propInfo.GetPercentBase();
if (pcBase != null)
{
if (pcBase.GetDimension() == 0)
{
prop = new NumberProperty(pcval * pcBase.GetBaseValue());
}
else if (pcBase.GetDimension() == 1)
{
prop = new LengthProperty(new PercentLength(pcval,
pcBase));
}
else
{
throw new PropertyException("Illegal percent dimension value");
}
}
else
{
prop = new NumberProperty(pcval);
}
break;
case TOK_NUMERIC:
int numLen = currentTokenValue.Length - currentUnitLength;
string unitPart = currentTokenValue.Substring(numLen);
double numPart = ParseDouble(currentTokenValue.Substring(0, numLen));
Length length = null;
if (unitPart.Equals(RELUNIT))
{
length = new FixedLength(numPart, propInfo.currentFontSize());
}
else
{
length = new FixedLength(numPart, unitPart);
}
if (length == null)
{
throw new PropertyException("unrecognized unit name: " + currentTokenValue);
}
else
{
prop = new LengthProperty(length);
}
break;
case TOK_COLORSPEC:
prop = new ColorTypeProperty(new ColorType(currentTokenValue));
break;
case TOK_FUNCTION_LPAR:
{
IFunction function =
(IFunction)functionTable[currentTokenValue];
if (function == null)
{
throw new PropertyException("no such function: "
+ currentTokenValue);
}
next();
propInfo.pushFunction(function);
prop = function.Eval(parseArgs(function.NumArgs), propInfo);
propInfo.popFunction();
return(prop);
}
default:
throw new PropertyException("syntax error");
}
next();
return(prop);
}
public PercentLength(double factor, IPercentBase lbase)
{
this.factor = factor;
this.lbase = lbase;
}
public PercentLength(double factor, IPercentBase lbase)
{
this.factor = factor;
this.lbase = lbase;
}
