PostScript String production.
- By Steve Kapp
- May 24, 2001
Power Java
Parsing With JavaCC
by Steve Kapp
Listing 3. PostScript String production.
01 PSObject stringType(PSEnvironment env): { Token t;
String s; PSObject obj; } {
02 t = <PS_STRING> {
03 // Remove the enclosing delimiters "(" and ")"
from the string.
04 s = t.image.substring(1, t.image.length() - 1));
05 return (new PSString(s, false));
06 }
07 | t = <HEX_STRING> {
08 // Remove the enclosing delimiters "<" and ">"
from the string.
09 s = t.image.substring(1, t.image.length() - 1));
10 if ((s.length() % 2) == 1) {
11 s = s + "0";
12 }
13 return (new PSString(s, false));
14 }
15 }
About the Author
Steve Kapp is a client partner at EMRT in Rochester, NY. Steve can be contacted at [email protected].