// GetScannerInstance is used by IsValidNamespaceName and IsValidIdentifier to validate names.
// We return an instance of the scanner only if there is no whitespace in the name text, since
// we do not want to allow, say, "not. valid" to be a valid namespace name even though that
// would produce a valid sequence of tokens.
private JSScanner GetScannerInstance(string name){
// make sure there's no whitespace in the name (values copied from documentation on String.Trim())
char[] anyWhiteSpace = {
(char)0x0009, (char)0x000A, (char)0x000B, (char)0x000C, (char)0x000D, (char)0x0020, (char)0x00A0,
(char)0x2000, (char)0x2001, (char)0x2002, (char)0x2003, (char)0x2004, (char)0x2005, (char)0x2006,
(char)0x2007, (char)0x2008, (char)0x2009, (char)0x200A, (char)0x200B, (char)0x3000, (char)0xFEFF
};
if (name == null || name.IndexOfAny(anyWhiteSpace) > -1)
return null;
// Create a code item whose source is the given text
VsaItem item = new VsaStaticCode(this, "itemName", VsaItemFlag.None);
Context context = new Context(new DocumentContext(item), name);
context.errorReported = -1;
JSScanner scanner = new JSScanner(); //Use this constructor to avoid allocating a Globals instance
scanner.SetSource(context);
return scanner;
}
private JSScanner GetScannerInstance(string name)
{
char[] anyOf = new char[] {
'\t', '\n', '\v', '\f', '\r', ' ', '\x00a0', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
' ', ' ', '', ' ', ''
};
if ((name == null) || (name.IndexOfAny(anyOf) > -1))
{
return null;
}
VsaItem sourceItem = new VsaStaticCode(this, "itemName", JSVsaItemFlag.None);
Context sourceContext = new Context(new DocumentContext(sourceItem), name) {
errorReported = -1
};
JSScanner scanner = new JSScanner();
scanner.SetSource(sourceContext);
return scanner;
}
