intl/icu/source/io/ufmt_cmn.h@6474c204b198 (annotated)
intl/icu/source/io/ufmt_cmn.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* |
| michael@0 | 2 | ****************************************************************************** |
| michael@0 | 3 | * |
| michael@0 | 4 | * Copyright (C) 1998-2011, International Business Machines |
| michael@0 | 5 | * Corporation and others. All Rights Reserved. |
| michael@0 | 6 | * |
| michael@0 | 7 | ****************************************************************************** |
| michael@0 | 8 | * |
| michael@0 | 9 | * File ufmt_cmn.h |
| michael@0 | 10 | * |
| michael@0 | 11 | * Modification History: |
| michael@0 | 12 | * |
| michael@0 | 13 | * Date Name Description |
| michael@0 | 14 | * 12/02/98 stephen Creation. |
| michael@0 | 15 | * 03/12/99 stephen Modified for new C API. |
| michael@0 | 16 | * 03/15/99 stephen Added defaultCPToUnicode, unicodeToDefaultCP |
| michael@0 | 17 | ****************************************************************************** |
| michael@0 | 18 | */ |
| michael@0 | 19 | |
| michael@0 | 20 | #ifndef UFMT_CMN_H |
| michael@0 | 21 | #define UFMT_CMN_H |
| michael@0 | 22 | |
| michael@0 | 23 | #include "unicode/utypes.h" |
| michael@0 | 24 | #include "unicode/utf16.h" |
| michael@0 | 25 | |
| michael@0 | 26 | #define UFMT_DEFAULT_BUFFER_SIZE 128 |
| michael@0 | 27 | #define MAX_UCHAR_BUFFER_SIZE(buffer) (sizeof(buffer)/(U16_MAX_LENGTH*sizeof(UChar))) |
| michael@0 | 28 | #define MAX_UCHAR_BUFFER_NEEDED(strLen) ((strLen+1)*U16_MAX_LENGTH*sizeof(UChar)) |
| michael@0 | 29 | |
| michael@0 | 30 | /** |
| michael@0 | 31 | * Enum representing the possible argument types for uprintf/uscanf |
| michael@0 | 32 | */ |
| michael@0 | 33 | typedef enum ufmt_type_info { |
| michael@0 | 34 | ufmt_empty = 0, |
| michael@0 | 35 | ufmt_simple_percent, /* %% do nothing */ |
| michael@0 | 36 | ufmt_count, /* special flag for count */ |
| michael@0 | 37 | ufmt_int, /* int */ |
| michael@0 | 38 | ufmt_char, /* int, cast to char */ |
| michael@0 | 39 | ufmt_string, /* char* */ |
| michael@0 | 40 | ufmt_pointer, /* void* */ |
| michael@0 | 41 | ufmt_float, /* float */ |
| michael@0 | 42 | ufmt_double, /* double */ |
| michael@0 | 43 | ufmt_uchar, /* int, cast to UChar */ |
| michael@0 | 44 | ufmt_ustring /* UChar* */ |
| michael@0 | 45 | /*ufmt_wchar,*/ /* wchar_t */ |
| michael@0 | 46 | /*ufmt_wstring,*/ /* wchar_t* */ |
| michael@0 | 47 | /*ufmt_date,*/ /* Date */ |
| michael@0 | 48 | /*ufmt_last*/ |
| michael@0 | 49 | } ufmt_type_info; |
| michael@0 | 50 | |
| michael@0 | 51 | /** |
| michael@0 | 52 | * Union representing a uprintf/uscanf argument |
| michael@0 | 53 | */ |
| michael@0 | 54 | typedef union ufmt_args { |
| michael@0 | 55 | int64_t int64Value; /* int, UChar */ |
| michael@0 | 56 | float floatValue; /* float */ |
| michael@0 | 57 | double doubleValue; /* double */ |
| michael@0 | 58 | void *ptrValue; /* any pointer - void*, char*, wchar_t*, UChar* */ |
| michael@0 | 59 | /*wchar_t wcharValue;*/ /* wchar_t */ /* TODO: Should wchar_t be used? */ |
| michael@0 | 60 | /*UDate dateValue;*/ /* Date */ |
| michael@0 | 61 | } ufmt_args; |
| michael@0 | 62 | |
| michael@0 | 63 | /** |
| michael@0 | 64 | * Macro for determining the minimum of two numbers. |
| michael@0 | 65 | * @param a An integer |
| michael@0 | 66 | * @param b An integer |
| michael@0 | 67 | * @return <TT>a</TT> if </TT>a < b</TT>, <TT>b</TT> otherwise |
| michael@0 | 68 | */ |
| michael@0 | 69 | #define ufmt_min(a,b) ((a) < (b) ? (a) : (b)) |
| michael@0 | 70 | |
| michael@0 | 71 | /** |
| michael@0 | 72 | * Convert a UChar in hex radix to an integer value. |
| michael@0 | 73 | * @param c The UChar to convert. |
| michael@0 | 74 | * @return The integer value of <TT>c</TT>. |
| michael@0 | 75 | */ |
| michael@0 | 76 | int |
| michael@0 | 77 | ufmt_digitvalue(UChar c); |
| michael@0 | 78 | |
| michael@0 | 79 | /** |
| michael@0 | 80 | * Determine if a UChar is a digit for a specified radix. |
| michael@0 | 81 | * @param c The UChar to check. |
| michael@0 | 82 | * @param radix The desired radix. |
| michael@0 | 83 | * @return TRUE if <TT>c</TT> is a digit in <TT>radix</TT>, FALSE otherwise. |
| michael@0 | 84 | */ |
| michael@0 | 85 | UBool |
| michael@0 | 86 | ufmt_isdigit(UChar c, |
| michael@0 | 87 | int32_t radix); |
| michael@0 | 88 | |
| michael@0 | 89 | /** |
| michael@0 | 90 | * Convert an int64_t to a UChar* in a specified radix |
| michael@0 | 91 | * @param buffer The target buffer |
| michael@0 | 92 | * @param len On input, the size of <TT>buffer</TT>. On output, |
| michael@0 | 93 | * the number of UChars written to <TT>buffer</TT>. |
| michael@0 | 94 | * @param value The value to be converted |
| michael@0 | 95 | * @param radix The desired radix |
| michael@0 | 96 | * @param uselower TRUE means lower case will be used, FALSE means upper case |
| michael@0 | 97 | * @param minDigits The minimum number of digits for for the formatted number, |
| michael@0 | 98 | * which will be padded with zeroes. -1 means do not pad. |
| michael@0 | 99 | */ |
| michael@0 | 100 | void |
| michael@0 | 101 | ufmt_64tou(UChar *buffer, |
| michael@0 | 102 | int32_t *len, |
| michael@0 | 103 | uint64_t value, |
| michael@0 | 104 | uint8_t radix, |
| michael@0 | 105 | UBool uselower, |
| michael@0 | 106 | int32_t minDigits); |
| michael@0 | 107 | |
| michael@0 | 108 | /** |
| michael@0 | 109 | * It's like ufmt_64tou, but with a pointer. |
| michael@0 | 110 | * This functions avoids size constraints of 64-bit types. |
| michael@0 | 111 | * Pointers can be at 32-128 bits in size. |
| michael@0 | 112 | */ |
| michael@0 | 113 | void |
| michael@0 | 114 | ufmt_ptou(UChar *buffer, |
| michael@0 | 115 | int32_t *len, |
| michael@0 | 116 | void *value, |
| michael@0 | 117 | UBool uselower); |
| michael@0 | 118 | |
| michael@0 | 119 | /** |
| michael@0 | 120 | * Convert a UChar* in a specified radix to an int64_t. |
| michael@0 | 121 | * @param buffer The target buffer |
| michael@0 | 122 | * @param len On input, the size of <TT>buffer</TT>. On output, |
| michael@0 | 123 | * the number of UChars read from <TT>buffer</TT>. |
| michael@0 | 124 | * @param radix The desired radix |
| michael@0 | 125 | * @return The numeric value. |
| michael@0 | 126 | */ |
| michael@0 | 127 | int64_t |
| michael@0 | 128 | ufmt_uto64(const UChar *buffer, |
| michael@0 | 129 | int32_t *len, |
| michael@0 | 130 | int8_t radix); |
| michael@0 | 131 | |
| michael@0 | 132 | /** |
| michael@0 | 133 | * Convert a UChar* in a specified radix to a pointer, |
| michael@0 | 134 | * @param buffer The target buffer |
| michael@0 | 135 | * @param len On input, the size of <TT>buffer</TT>. On output, |
| michael@0 | 136 | * the number of UChars read from <TT>buffer</TT>. |
| michael@0 | 137 | * @param radix The desired radix |
| michael@0 | 138 | * @return The pointer value. |
| michael@0 | 139 | */ |
| michael@0 | 140 | void * |
| michael@0 | 141 | ufmt_utop(const UChar *buffer, |
| michael@0 | 142 | int32_t *len); |
| michael@0 | 143 | |
| michael@0 | 144 | /** |
| michael@0 | 145 | * Convert a string from the default codepage to Unicode. |
| michael@0 | 146 | * @param s The string to convert, in the default codepage. |
| michael@0 | 147 | * @param sSize The size of s to convert. |
| michael@0 | 148 | * @param target The buffer to convert to. |
| michael@0 | 149 | * @param tSize The size of target |
| michael@0 | 150 | * @return A pointer to a newly allocated converted version of s, or 0 |
| michael@0 | 151 | * on error. |
| michael@0 | 152 | */ |
| michael@0 | 153 | UChar* |
| michael@0 | 154 | ufmt_defaultCPToUnicode(const char *s, int32_t sSize, |
| michael@0 | 155 | UChar *target, int32_t tSize); |
| michael@0 | 156 | |
| michael@0 | 157 | |
| michael@0 | 158 | |
| michael@0 | 159 | #endif |
| michael@0 | 160 |
