Package org.eclipse.equinox.p2.metadata.expression

Interface IExpressionParser

public interface IExpressionParser
A parser that produces an expression tree based on a string representation. An implementation will use the IExpressionFactory to create the actual expressions
Since:
2.0

  • Method Details

    • parse

      IExpression parse(String exprString)
      Create a new expression. The expression will have access to the global variable 'this' and to the context parameters.
      Parameters:
      exprString - The string representing the boolean expression.
      Returns:
      The resulting expression tree.
      Throws:
      ExpressionParseException - If an error occurred during parsing.

    • parseQuery

      IExpression parseQuery(String exprString)
      Create an arbitrary expression. The expression will have access to the global variable 'everything' and to the context parameters.
      Parameters:
      exprString - The string representing the boolean expression.
      Returns:
      The resulting expression tree.
      Throws:
      ExpressionParseException - If an error occurred during parsing.