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jpicedt.format.input.pstricks
Class PSTColorExpression

java.lang.Object
  extended by jpicedt.format.input.util.AbstractRegularExpression
      extended by jpicedt.format.input.util.SequenceExpression
          extended by jpicedt.format.input.pstricks.PSTColorExpression
All Implemented Interfaces:
ExpressionConstants

public class PSTColorExpression
extends SequenceExpression

Used by PSTParametersExpression to parse statements involving colours, for instance "linecolor=green" (predefined colour) or "fillcolor=MyGray" (user-defined colours).

If no pstricks's native colour matches the RHS, we fetch a HashMap from the Pool's hashtable (value associated with key PstricksParser.KEY_USER_COLOURS) and look up the given colour ; this HashMap may've been filled by UserDefinedColorExpression in the course of the parsing process.

Version:
$Id: PSTColorExpression.java,v 1.4.2.1 2007/09/02 11:56:11 reynal Exp $
Author:
Sylvain Reynal

Field Summary
 
Fields inherited from interface jpicedt.format.input.util.ExpressionConstants
ANY_CHAR, ANY_CHAR_EOL, ANY_SIGN, AT_LEAST, AT_MOST, DEBUG, DOUBLE, EOL, EXACTLY, INTEGER, NEGATIVE, NON_NULL, POSITIVE, STRICTLY_NEGATIVE, STRICTLY_POSITIVE, WHITE_SPACES, WHITE_SPACES_OR_EOL
 
Constructor Summary
PSTColorExpression(Pool pl, String tag, PicAttributeName attributeName, Pool.Key attributeSetKey)
           
 
Method Summary
 
Methods inherited from class jpicedt.format.input.util.SequenceExpression
add, interpret, toString
 
Methods inherited from class jpicedt.format.input.util.AbstractRegularExpression
action
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

PSTColorExpression

public PSTColorExpression(Pool pl,
                          String tag,
                          PicAttributeName attributeName,
                          Pool.Key attributeSetKey)
Parameters:
pl - parser's pool
tag - LHS tag (e.g. "linecolor" or "fillcolor") for the StatementExpression
attribute - name of attribute to modify (must be a predefined PicAttributeName of type "Color")
attributeSetKey - used to fetch the attribute set in which parsed parameters are stored.

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