1 /* 2 ******************************************************************************* 3 * 4 * Copyright (C) 1998-2010, International Business Machines 5 * Corporation and others. All Rights Reserved. 6 * 7 ******************************************************************************* 8 * 9 * File ufile.h 10 * 11 * Modification History: 12 * 13 * Date Name Description 14 * 12/01/98 stephen Creation. 15 * 03/12/99 stephen Modified for new C API. 16 ******************************************************************************* 17 */ 18 19 #ifndef UFILE_H 20 #define UFILE_H 21 22 #include "unicode/utypes.h" 23 #include "unicode/ucnv.h" 24 #include "unicode/utrans.h" 25 #include "locbund.h" 26 27 /* The buffer size for fromUnicode calls */ 28 #define UFILE_CHARBUFFER_SIZE 1024 29 30 /* The buffer size for toUnicode calls */ 31 #define UFILE_UCHARBUFFER_SIZE 1024 32 33 /* A UFILE */ 34 35 #if !UCONFIG_NO_TRANSLITERATION 36 37 typedef struct { 38 UChar *buffer; /* Beginning of buffer */ 39 int32_t capacity; /* Capacity of buffer */ 40 int32_t pos; /* Beginning of untranslitted data */ 41 int32_t length; /* Length *from beginning of buffer* of untranslitted data */ 42 UTransliterator *translit; 43 } UFILETranslitBuffer; 44 45 #endif 46 47 typedef struct u_localized_string { 48 UChar *fPos; /* current pos in fUCBuffer */ 49 const UChar *fLimit; /* data limit in fUCBuffer */ 50 UChar *fBuffer; /* Place to write the string */ 51 52 #if !UCONFIG_NO_FORMATTING 53 ULocaleBundle fBundle; /* formatters */ 54 #endif 55 } u_localized_string; 56 57 struct UFILE { 58 #if !UCONFIG_NO_TRANSLITERATION 59 UFILETranslitBuffer *fTranslit; 60 #endif 61 62 FILE *fFile; /* the actual filesystem interface */ 63 64 UConverter *fConverter; /* for codeset conversion */ 65 66 u_localized_string str; /* struct to handle strings for number formatting */ 67 68 UChar fUCBuffer[UFILE_UCHARBUFFER_SIZE];/* buffer used for toUnicode */ 69 70 UBool fOwnFile; /* TRUE if fFile should be closed */ 71 72 int32_t fFileno; /* File number. Useful to determine if it's stdin. */ 73 }; 74 75 /** 76 * Like u_file_write but takes a flush parameter 77 */ 78 U_CFUNC int32_t U_EXPORT2 79 u_file_write_flush( const UChar *chars, 80 int32_t count, 81 UFILE *f, 82 UBool flushIO, 83 UBool flushTranslit); 84 85 /** 86 * Fill a UFILE's buffer with converted codepage data. 87 * @param f The UFILE containing the buffer to fill. 88 */ 89 void 90 ufile_fill_uchar_buffer(UFILE *f); 91 92 /** 93 * Get one code unit and detect whether the end of file has been reached. 94 * @param f The UFILE containing the characters. 95 * @param ch The read in character 96 * @return TRUE if the character is valid, or FALSE when EOF has been detected 97 */ 98 U_CFUNC UBool U_EXPORT2 99 ufile_getch(UFILE *f, UChar *ch); 100 101 /** 102 * Get one character and detect whether the end of file has been reached. 103 * @param f The UFILE containing the characters. 104 * @param ch The read in character 105 * @return TRUE if the character is valid, or FALSE when EOF has been detected 106 */ 107 U_CFUNC UBool U_EXPORT2 108 ufile_getch32(UFILE *f, UChar32 *ch); 109 110 /** 111 * Close out the transliterator and flush any data therein. 112 * @param f flu 113 */ 114 void 115 ufile_close_translit(UFILE *f); 116 117 /** 118 * Flush the buffer in the transliterator 119 * @param f UFile to flush 120 */ 121 void 122 ufile_flush_translit(UFILE *f); 123 124 /** 125 * Flush the IO buffer 126 * @param f UFile to flush 127 */ 128 void 129 ufile_flush_io(UFILE *f); 130 131 132 #endif 133
