1 /* 2 ****************************************************************************** 3 * 4 * Copyright (C) 1998-2011, International Business Machines 5 * Corporation and others. All Rights Reserved. 6 * 7 ****************************************************************************** 8 * 9 * File ufmt_cmn.h 10 * 11 * Modification History: 12 * 13 * Date Name Description 14 * 12/02/98 stephen Creation. 15 * 03/12/99 stephen Modified for new C API. 16 * 03/15/99 stephen Added defaultCPToUnicode, unicodeToDefaultCP 17 ****************************************************************************** 18 */ 19 20 #ifndef UFMT_CMN_H 21 #define UFMT_CMN_H 22 23 #include "unicode/utypes.h" 24 #include "unicode/utf16.h" 25 26 #define UFMT_DEFAULT_BUFFER_SIZE 128 27 #define MAX_UCHAR_BUFFER_SIZE(buffer) (sizeof(buffer)/(U16_MAX_LENGTH*sizeof(UChar))) 28 #define MAX_UCHAR_BUFFER_NEEDED(strLen) ((strLen+1)*U16_MAX_LENGTH*sizeof(UChar)) 29 30 /** 31 * Enum representing the possible argument types for uprintf/uscanf 32 */ 33 typedef enum ufmt_type_info { 34 ufmt_empty = 0, 35 ufmt_simple_percent, /* %% do nothing */ 36 ufmt_count, /* special flag for count */ 37 ufmt_int, /* int */ 38 ufmt_char, /* int, cast to char */ 39 ufmt_string, /* char* */ 40 ufmt_pointer, /* void* */ 41 ufmt_float, /* float */ 42 ufmt_double, /* double */ 43 ufmt_uchar, /* int, cast to UChar */ 44 ufmt_ustring /* UChar* */ 45 /*ufmt_wchar,*/ /* wchar_t */ 46 /*ufmt_wstring,*/ /* wchar_t* */ 47 /*ufmt_date,*/ /* Date */ 48 /*ufmt_last*/ 49 } ufmt_type_info; 50 51 /** 52 * Union representing a uprintf/uscanf argument 53 */ 54 typedef union ufmt_args { 55 int64_t int64Value; /* int, UChar */ 56 float floatValue; /* float */ 57 double doubleValue; /* double */ 58 void *ptrValue; /* any pointer - void*, char*, wchar_t*, UChar* */ 59 /*wchar_t wcharValue;*/ /* wchar_t */ /* TODO: Should wchar_t be used? */ 60 /*UDate dateValue;*/ /* Date */ 61 } ufmt_args; 62 63 /** 64 * Macro for determining the minimum of two numbers. 65 * @param a An integer 66 * @param b An integer 67 * @return <TT>a</TT> if </TT>a < b</TT>, <TT>b</TT> otherwise 68 */ 69 #define ufmt_min(a,b) ((a) < (b) ? (a) : (b)) 70 71 /** 72 * Convert a UChar in hex radix to an integer value. 73 * @param c The UChar to convert. 74 * @return The integer value of <TT>c</TT>. 75 */ 76 int 77 ufmt_digitvalue(UChar c); 78 79 /** 80 * Determine if a UChar is a digit for a specified radix. 81 * @param c The UChar to check. 82 * @param radix The desired radix. 83 * @return TRUE if <TT>c</TT> is a digit in <TT>radix</TT>, FALSE otherwise. 84 */ 85 UBool 86 ufmt_isdigit(UChar c, 87 int32_t radix); 88 89 /** 90 * Convert an int64_t to a UChar* in a specified radix 91 * @param buffer The target buffer 92 * @param len On input, the size of <TT>buffer</TT>. On output, 93 * the number of UChars written to <TT>buffer</TT>. 94 * @param value The value to be converted 95 * @param radix The desired radix 96 * @param uselower TRUE means lower case will be used, FALSE means upper case 97 * @param minDigits The minimum number of digits for for the formatted number, 98 * which will be padded with zeroes. -1 means do not pad. 99 */ 100 void 101 ufmt_64tou(UChar *buffer, 102 int32_t *len, 103 uint64_t value, 104 uint8_t radix, 105 UBool uselower, 106 int32_t minDigits); 107 108 /** 109 * It's like ufmt_64tou, but with a pointer. 110 * This functions avoids size constraints of 64-bit types. 111 * Pointers can be at 32-128 bits in size. 112 */ 113 void 114 ufmt_ptou(UChar *buffer, 115 int32_t *len, 116 void *value, 117 UBool uselower); 118 119 /** 120 * Convert a UChar* in a specified radix to an int64_t. 121 * @param buffer The target buffer 122 * @param len On input, the size of <TT>buffer</TT>. On output, 123 * the number of UChars read from <TT>buffer</TT>. 124 * @param radix The desired radix 125 * @return The numeric value. 126 */ 127 int64_t 128 ufmt_uto64(const UChar *buffer, 129 int32_t *len, 130 int8_t radix); 131 132 /** 133 * Convert a UChar* in a specified radix to a pointer, 134 * @param buffer The target buffer 135 * @param len On input, the size of <TT>buffer</TT>. On output, 136 * the number of UChars read from <TT>buffer</TT>. 137 * @param radix The desired radix 138 * @return The pointer value. 139 */ 140 void * 141 ufmt_utop(const UChar *buffer, 142 int32_t *len); 143 144 /** 145 * Convert a string from the default codepage to Unicode. 146 * @param s The string to convert, in the default codepage. 147 * @param sSize The size of s to convert. 148 * @param target The buffer to convert to. 149 * @param tSize The size of target 150 * @return A pointer to a newly allocated converted version of s, or 0 151 * on error. 152 */ 153 UChar* 154 ufmt_defaultCPToUnicode(const char *s, int32_t sSize, 155 UChar *target, int32_t tSize); 156 157 158 159 #endif 160 161
