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format.h

00001 /*
00002 ********************************************************************************
00003 * Copyright (C) {1997-1999}, International Business Machines Corporation and others. All Rights Reserved.
00004 ********************************************************************************
00005 *
00006 * File FORMAT.H
00007 *
00008 * Modification History:
00009 *
00010 *   Date        Name        Description
00011 *   02/19/97    aliu        Converted from java.
00012 *   03/17/97    clhuang     Updated per C++ implementation.
00013 *   03/27/97    helena      Updated to pass the simple test after code review.
00014 ********************************************************************************
00015 */
00016 // *****************************************************************************
00017 // This file was generated from the java source file Format.java
00018 // *****************************************************************************
00019 
00020 #ifndef FORMAT_H
00021 #define FORMAT_H
00022 
00023 
00024 #include "unicode/utypes.h"
00025 #include "unicode/unistr.h"
00026 #include "unicode/fmtable.h"
00027 #include "unicode/fieldpos.h"
00028 #include "unicode/parsepos.h"
00029 #include "unicode/parseerr.h" 
00030 
00031 U_NAMESPACE_BEGIN
00086 class U_I18N_API Format {
00087 public:
00088 
00089     virtual ~Format();
00090 
00096     virtual UBool operator==(const Format& other) const = 0;
00097 
00103     UBool operator!=(const Format& other) const { return !operator==(other); }
00104 
00110     virtual Format* clone() const = 0;
00111 
00122     UnicodeString& format(const Formattable& obj,
00123                           UnicodeString& result,
00124                           UErrorCode& status) const;
00125 
00142     virtual UnicodeString& format(const Formattable& obj,
00143                                   UnicodeString& toAppendTo,
00144                                   FieldPosition& pos,
00145                                   UErrorCode& status) const = 0;
00146 
00186     virtual void parseObject(const UnicodeString& source,
00187                              Formattable& result,
00188                              ParsePosition& parse_pos) const = 0;
00189 
00202     void parseObject(const UnicodeString& source,
00203                      Formattable& result,
00204                      UErrorCode& status) const;
00205 
00223     virtual UClassID getDynamicClassID() const = 0;
00224 
00225 protected:
00230     Format();
00231 
00235     Format(const Format&); // Does nothing; for subclasses only
00236 
00240     Format& operator=(const Format&); // Does nothing; for subclasses
00241 
00242        
00243     inline void syntaxError(const UnicodeString& pattern,
00244                             int32_t pos,
00245                             UParseError& parseError){
00246         parseError.offset = pos;
00247         parseError.line=0;  // we are not using line number
00248         
00249         // for pre-context
00250         int32_t start = (pos <=U_PARSE_CONTEXT_LEN)? 0 : (pos - (U_PARSE_CONTEXT_LEN-1
00251                                                                  /* subtract 1 so that we have room for null*/));
00252         int32_t stop  = pos;
00253         pattern.extract(start,stop-start,parseError.preContext,0);
00254         //null terminate the buffer
00255         parseError.preContext[stop-start] = 0;
00256     
00257         //for post-context
00258         start = pos+1;
00259         stop  = ((pos+U_PARSE_CONTEXT_LEN)<=pattern.length()) ? (pos+(U_PARSE_CONTEXT_LEN-1)) : 
00260                                                                 pattern.length();
00261         pattern.extract(start,stop-start,parseError.postContext,0);
00262         //null terminate the buffer
00263         parseError.postContext[stop-start]= 0;
00264     }
00265 };
00266 
00267 U_NAMESPACE_END
00268 
00269 #endif // _FORMAT
00270 //eof

Generated on Sun May 22 23:05:49 2005 for ICU 2.1 by  doxygen 1.4.2