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comparison: intl/icu/source/io/ufmt_cmn.h
intl/icu/source/io/ufmt_cmn.h
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| -1:000000000000 | 0:667fa937cb88 |
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| 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 |
