/**
* @param scalar
* @return true if the scalar is defines as $GLOBALS call
*/
private static boolean checkGLOBALS(Scalar scalar) {
final String stringValue = scalar.getStringValue();
if (scalar.getScalarType() != Scalar.TYPE_STRING || stringValue.length() < 3) {
return false;
}
final char charAtZero = stringValue.charAt(0);
final char charAtEnd = stringValue.charAt(stringValue.length() - 1);
if (!detectString(charAtZero) || !detectString(charAtEnd)) {
return false;
}
if (scalar.getParent().getType() == ASTNode.ARRAY_ACCESS) {
ArrayAccess arrayAccess = (ArrayAccess) scalar.getParent();
final Expression variableName = arrayAccess.getName();
if (variableName.getType() == ASTNode.VARIABLE) {
Variable var = (Variable) variableName;
if (var.isDollared() && var.getName() instanceof Identifier) {
final Identifier id = (Identifier) var.getName();
return id.getName().equals("_GLOBALS") // $NON-NLS-1$
|| id.getName().equals("GLOBALS"); // $NON-NLS-1$
}
}
}
return false;
}
public boolean apply(ASTNode node) {
// stops when found - that's the reason to use ApplyAll
if (exists) return false;
if (node.getType() == ASTNode.SCALAR) {
final Scalar scalar = (Scalar) node;
final String stringValue = scalar.getStringValue();
if (scalar.getScalarType() != Scalar.TYPE_STRING || stringValue == null) {
return false;
}
final int length = stringValue.length() - 1;
if (stringValue.charAt(0) != '"'
&& stringValue.charAt(length) != '"'
&& stringValue.equals(name)) {
exists = true;
}
} else if (node.getType() == ASTNode.FUNCTION_INVOCATION) {
FunctionInvocation functionInvocation = (FunctionInvocation) node;
final Expression functionName = functionInvocation.getFunctionName().getName();
if (!(functionName instanceof Identifier)) {
return false;
}
final Identifier identifier = (Identifier) functionName;
final List<Expression> parameters = functionInvocation.parameters();
if (!"define".equalsIgnoreCase(identifier.getName())
|| parameters == null
|| parameters.size() == 0) { // $NON-NLS-1$
return false;
}
final Expression expression = parameters.get(0);
if (expression.getType() != ASTNode.SCALAR) {
return false;
}
Scalar scalar = (Scalar) expression;
final String stringValue = scalar.getStringValue();
if (stringValue.length() < 2 || stringValue.charAt(0) != '"') {
return false;
}
exists = name.equals(stringValue.substring(1, stringValue.length() - 1));
}
return true;
}