File: StartsWithFunction.java

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package com.jclark.xsl.expr;

import com.jclark.xsl.om.*;

class StartsWithFunction extends Function2 {
  ConvertibleExpr makeCallExpr(ConvertibleExpr e1, ConvertibleExpr e2) throws ParseException {
    final StringExpr se1 = e1.makeStringExpr();
    final StringExpr se2 = e2.makeStringExpr();
    return new ConvertibleBooleanExpr() {
      public boolean eval(Node node, ExprContext context) throws XSLException {
	return se1.eval(node, context).startsWith(se2.eval(node, context));
      }
    };
  }
}