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/* ** TokenString.h,v 1.2 1992/05/21 22:47:25 nwc Exp ** ** Copyright (c) 1991 Ronin Consulting, Inc. */ #import "StringStorage.h" /* ** TokenString is a subclass of StringStorage which allows tokens, i.e. character ** sequences separated by a separator to be pulled from the string. */ @interface TokenString : StringStorage { char separator; char *start; char lastEnd; BOOL nullTokens; } - setSeparator: (char) aChar; /* set the separator, a space ' ' is the default */ - (char) separator; /* return current separator */ /* * do two separators in a row indicate a null token? If nullTokens is set to YES and * the string contains two separators in a row then the -pop method will return a NULL. * If nullTokens is set to NO (the default) then multiple sequential separators are treated * as a single separator and the next non-null token is returned. */ - setNullTokens: (BOOL) toggle; - (BOOL) nullTokens; - (const char *) popStringValue; /* return the TokenString's next token */ @end
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