public CMap Parse(IInputBytes inputBytes)
{
var scanner = new CoreTokenScanner(inputBytes);
var builder = new CharacterMapBuilder();
IToken previousToken = null;
while (scanner.MoveNext())
{
var token = scanner.CurrentToken;
if (token is OperatorToken operatorToken)
{
switch (operatorToken.Data)
{
case "usecmap":
{
if (previousToken is NameToken name && TryParseExternal(name.Data, out var external))
{
builder.UseCMap(external);
}
else
{
throw new InvalidOperationException("Unexpected token preceding external cmap call: " + previousToken);
}
break;
}
public CMap Parse(IInputBytes inputBytes, bool isLenientParsing)
{
var scanner = new CoreTokenScanner(inputBytes);
var builder = new CharacterMapBuilder();
IToken previousToken = null;
while (scanner.MoveNext())
{
var token = scanner.CurrentToken;
if (token is OperatorToken operatorToken)
{
switch (operatorToken.Data)
{
case "usecmap":
{
if (previousToken is NameToken name)
{
var external = ParseExternal(name.Data);
builder.UseCMap(external);
}
else
{
throw new InvalidOperationException("Unexpected token preceding external cmap call: " + previousToken);
}
break;
}
case "begincodespacerange":
{
if (previousToken is NumericToken numeric)
{
CodespaceRangeParser.Parse(numeric, scanner, builder, isLenientParsing);
}
else
{
throw new InvalidOperationException("Unexpected token preceding start of codespace range: " + previousToken);
}
}
break;
case "beginbfchar":
{
if (previousToken is NumericToken numeric)
{
BaseFontCharacterParser.Parse(numeric, scanner, builder, isLenientParsing);
}
else
{
throw new InvalidOperationException("Unexpected token preceding start of base font characters: " + previousToken);
}
}
break;
case "beginbfrange":
{
if (previousToken is NumericToken numeric)
{
BaseFontRangeParser.Parse(numeric, scanner, builder, isLenientParsing);
}
else
{
throw new InvalidOperationException("Unexpected token preceding start of base font character ranges: " + previousToken);
}
}
break;
case "begincidchar":
{
if (previousToken is NumericToken numeric)
{
CidCharacterParser.Parse(numeric, scanner, builder, isLenientParsing);
}
else
{
throw new InvalidOperationException("Unexpected token preceding start of Cid character mapping: " + previousToken);
}
break;
}
case "begincidrange":
{
if (previousToken is NumericToken numeric)
{
CidRangeParser.Parse(numeric, scanner, builder, isLenientParsing);
}
else
{
throw new InvalidOperationException("Unexpected token preceding start of Cid ranges: " + previousToken);
}
}
break;
}
}
else if (token is NameToken name)
{
CidFontNameParser.Parse(name, scanner, builder, isLenientParsing);
}
previousToken = token;
}
return(builder.Build());
}