This interface defines misc. TEXT manipulation routines.

INTERFACE Text2;

PROCEDURE CIEqual (a, b: TEXT): BOOLEAN;

Returns TRUE if a and b are equal when case is ignored.

PROCEDURE EqualSub (a: TEXT;  READONLY b: ARRAY OF CHAR): BOOLEAN;

Returns TRUE if a equals b.

PROCEDURE PrefixMatch (a, b: TEXT;  len: CARDINAL): BOOLEAN;

Returns Text.Equal (Text.Sub (a, 0, Text.Length(b)), b).

PROCEDURE FindSubstring (a, b: TEXT): INTEGER;

Returns the index x of a such that Text.Sub(a, x, Text.Length(b)) equals b. If b is not contained in a, -1 is returned.

PROCEDURE FindBufSubstring (READONLY a: ARRAY OF CHAR;  b: TEXT): INTEGER;

Returns the index x of a such that SUBARRAY(a, x, Text.Length(b)) equals b. If b is not contained in a, -1 is returned.

PROCEDURE Trim (a: TEXT): TEXT;

Returns a with any leading or trailing whitespace removed.

PROCEDURE Escape (a: TEXT): TEXT;

Returns a with any backslashes or quotes escaped.

PROCEDURE EscapeHTML (a: TEXT): TEXT;

Returns a with any special HTML characters escaped.

PROCEDURE ConvertNBSP (a: TEXT): TEXT;

Returns a with any blanks turned into HTML non-breaking spaces

PROCEDURE FixExeName (a: TEXT): TEXT;

If a contains blanks, return it wrapped in quotes. Otherwise, return a unchanged.

END Text2.