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www/edgeexpress/jscript/SpryAssets/xpath.js  view on Meta::CPAN

    if (xpathdebug) {
      Log.write(' ... cached');
    }
    return cached;
  }

  // Optimize for a few common cases: simple attribute node tests
  // (@id), simple element node tests (page), variable references
  // ($address), numbers (4), multi-step path expressions where each
  // step is a plain element node test
  // (page/overlay/locations/location).
  
  if (expr.match(/^(\$|@)?\w+$/i)) {
    var ret = makeSimpleExpr(expr);
    xpathParseCache[expr] = ret;
    if (xpathdebug) {
      Log.write(' ... simple');
    }
    return ret;
  }