CodeSnip Old Code (SVN)

Changed IsValidAbsoluteFileName private function in UFileProtocol.pas to use IsValidDriveLetter function from UUtils.pas.

Modified non-Unicode implementation of IsWhiteSpace in UUnicodeHelper.pas to test for white space characters defined in UConsts unit.

* Added new IsValidDriveLetter function.
* Re-implemented ContainsWhiteSpace in a Unicode friendly way.

Used conditional compilation in URTFUtils.RTFMakeSafeText routine to eliminate expression that always evaluates true on non-Unicode Delphis.

Changed TSourcePrefsPreview.Generate to convert highlighted RTF code to ASCIIString from string.

Modified TTaggedTextEntityHandler.TranslateEntity to work with numeric character entities with ordinal value greater than 255.

* Changed all methods in URTFBuilder.pas that accept or return RTF code to use ASCIIString type rather than string.
* Changed internal handling of RTF similarly.

Modified to work with revised RTF: now uses ASCIIString type for RTF code rather than string.

* Converted code in URTFUtils.pas to use ASCIIString and AnsiChar types for RTF code rather than string and Char.
* Added support for \u Unicode control.
* RTFMakeSafeText now converts characters with ordinal value > 255 to \u controls.
* Changed RTFControl to take SmallInt rather than Integer parameter for control word.

Added support for ASCII string type to UUnicodeHelper.pas: code page constant, string type and conversion routines.