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Annotation of GNUtools/cc/rtf2ascii.h, revision 1.1.1.1

1.1       root        1: 
                      2: // rtf2ascii.h
                      3: 
                      4: #import <string.h>
                      5: #import <streams/streams.h>
                      6: 
                      7: #define RTF_HEADER     "{\\rtf0\\ansi"
                      8: #define RTF_HEADER_LEN 11
                      9: 
                     10: 
                     11: // A predicate to quickly check a region of possibly-rich memory (starting
                     12: // at rtfText and going for length len) to see if it is convertible by the
                     13: // following routines.
                     14: 
                     15: static inline int isRTFText(const char * rtfText, int len) 
                     16: {
                     17:    return (rtfText 
                     18:           && (len > RTF_HEADER_LEN) 
                     19:           && !strncmp(rtfText, RTF_HEADER, RTF_HEADER_LEN));
                     20: }
                     21: 
                     22: 
                     23: // A memory-buffer-based conversion that reads one buffer pointed to by 
                     24: // rtfTextPtr and converts, for length rtfTextLen, RTF to ASCII.  A pointer
                     25: // to a newly allocated buffer of memory is returned (caller owns this 
                     26: // memory).  Additionally, asciiTextLen is set to the length of the
                     27: // null-terminated ascii character buffer.
                     28: 
                     29: extern const char * rtfToAscii( const char *rtfTextPtr, 
                     30:                                int rtfTextLen, 
                     31:                                int * asciiTextLen );
                     32: 
                     33: 
                     34: // A streams-based converter which takes an NXStream and either returns back 
                     35: // a new memory stream that has been converted to straight ASCII (the caller
                     36: // should free this with NXCloseMemory()).
                     37: 
                     38: extern NXStream * rtfToAsciiStream(NXStream * possiblyRichStream);
                     39: 

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