1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/icu/source/io/ufmt_cmn.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,160 @@
1.4 +/*
1.5 +******************************************************************************
1.6 +*
1.7 +* Copyright (C) 1998-2011, International Business Machines
1.8 +* Corporation and others. All Rights Reserved.
1.9 +*
1.10 +******************************************************************************
1.11 +*
1.12 +* File ufmt_cmn.h
1.13 +*
1.14 +* Modification History:
1.15 +*
1.16 +* Date Name Description
1.17 +* 12/02/98 stephen Creation.
1.18 +* 03/12/99 stephen Modified for new C API.
1.19 +* 03/15/99 stephen Added defaultCPToUnicode, unicodeToDefaultCP
1.20 +******************************************************************************
1.21 +*/
1.22 +
1.23 +#ifndef UFMT_CMN_H
1.24 +#define UFMT_CMN_H
1.25 +
1.26 +#include "unicode/utypes.h"
1.27 +#include "unicode/utf16.h"
1.28 +
1.29 +#define UFMT_DEFAULT_BUFFER_SIZE 128
1.30 +#define MAX_UCHAR_BUFFER_SIZE(buffer) (sizeof(buffer)/(U16_MAX_LENGTH*sizeof(UChar)))
1.31 +#define MAX_UCHAR_BUFFER_NEEDED(strLen) ((strLen+1)*U16_MAX_LENGTH*sizeof(UChar))
1.32 +
1.33 +/**
1.34 + * Enum representing the possible argument types for uprintf/uscanf
1.35 + */
1.36 +typedef enum ufmt_type_info {
1.37 + ufmt_empty = 0,
1.38 + ufmt_simple_percent, /* %% do nothing */
1.39 + ufmt_count, /* special flag for count */
1.40 + ufmt_int, /* int */
1.41 + ufmt_char, /* int, cast to char */
1.42 + ufmt_string, /* char* */
1.43 + ufmt_pointer, /* void* */
1.44 + ufmt_float, /* float */
1.45 + ufmt_double, /* double */
1.46 + ufmt_uchar, /* int, cast to UChar */
1.47 + ufmt_ustring /* UChar* */
1.48 + /*ufmt_wchar,*/ /* wchar_t */
1.49 + /*ufmt_wstring,*/ /* wchar_t* */
1.50 + /*ufmt_date,*/ /* Date */
1.51 + /*ufmt_last*/
1.52 +} ufmt_type_info;
1.53 +
1.54 +/**
1.55 + * Union representing a uprintf/uscanf argument
1.56 + */
1.57 +typedef union ufmt_args {
1.58 + int64_t int64Value; /* int, UChar */
1.59 + float floatValue; /* float */
1.60 + double doubleValue; /* double */
1.61 + void *ptrValue; /* any pointer - void*, char*, wchar_t*, UChar* */
1.62 + /*wchar_t wcharValue;*/ /* wchar_t */ /* TODO: Should wchar_t be used? */
1.63 + /*UDate dateValue;*/ /* Date */
1.64 +} ufmt_args;
1.65 +
1.66 +/**
1.67 + * Macro for determining the minimum of two numbers.
1.68 + * @param a An integer
1.69 + * @param b An integer
1.70 + * @return <TT>a</TT> if </TT>a < b</TT>, <TT>b</TT> otherwise
1.71 + */
1.72 +#define ufmt_min(a,b) ((a) < (b) ? (a) : (b))
1.73 +
1.74 +/**
1.75 + * Convert a UChar in hex radix to an integer value.
1.76 + * @param c The UChar to convert.
1.77 + * @return The integer value of <TT>c</TT>.
1.78 + */
1.79 +int
1.80 +ufmt_digitvalue(UChar c);
1.81 +
1.82 +/**
1.83 + * Determine if a UChar is a digit for a specified radix.
1.84 + * @param c The UChar to check.
1.85 + * @param radix The desired radix.
1.86 + * @return TRUE if <TT>c</TT> is a digit in <TT>radix</TT>, FALSE otherwise.
1.87 + */
1.88 +UBool
1.89 +ufmt_isdigit(UChar c,
1.90 + int32_t radix);
1.91 +
1.92 +/**
1.93 + * Convert an int64_t to a UChar* in a specified radix
1.94 + * @param buffer The target buffer
1.95 + * @param len On input, the size of <TT>buffer</TT>. On output,
1.96 + * the number of UChars written to <TT>buffer</TT>.
1.97 + * @param value The value to be converted
1.98 + * @param radix The desired radix
1.99 + * @param uselower TRUE means lower case will be used, FALSE means upper case
1.100 + * @param minDigits The minimum number of digits for for the formatted number,
1.101 + * which will be padded with zeroes. -1 means do not pad.
1.102 + */
1.103 +void
1.104 +ufmt_64tou(UChar *buffer,
1.105 + int32_t *len,
1.106 + uint64_t value,
1.107 + uint8_t radix,
1.108 + UBool uselower,
1.109 + int32_t minDigits);
1.110 +
1.111 +/**
1.112 + * It's like ufmt_64tou, but with a pointer.
1.113 + * This functions avoids size constraints of 64-bit types.
1.114 + * Pointers can be at 32-128 bits in size.
1.115 + */
1.116 +void
1.117 +ufmt_ptou(UChar *buffer,
1.118 + int32_t *len,
1.119 + void *value,
1.120 + UBool uselower);
1.121 +
1.122 +/**
1.123 + * Convert a UChar* in a specified radix to an int64_t.
1.124 + * @param buffer The target buffer
1.125 + * @param len On input, the size of <TT>buffer</TT>. On output,
1.126 + * the number of UChars read from <TT>buffer</TT>.
1.127 + * @param radix The desired radix
1.128 + * @return The numeric value.
1.129 + */
1.130 +int64_t
1.131 +ufmt_uto64(const UChar *buffer,
1.132 + int32_t *len,
1.133 + int8_t radix);
1.134 +
1.135 +/**
1.136 + * Convert a UChar* in a specified radix to a pointer,
1.137 + * @param buffer The target buffer
1.138 + * @param len On input, the size of <TT>buffer</TT>. On output,
1.139 + * the number of UChars read from <TT>buffer</TT>.
1.140 + * @param radix The desired radix
1.141 + * @return The pointer value.
1.142 + */
1.143 +void *
1.144 +ufmt_utop(const UChar *buffer,
1.145 + int32_t *len);
1.146 +
1.147 +/**
1.148 + * Convert a string from the default codepage to Unicode.
1.149 + * @param s The string to convert, in the default codepage.
1.150 + * @param sSize The size of s to convert.
1.151 + * @param target The buffer to convert to.
1.152 + * @param tSize The size of target
1.153 + * @return A pointer to a newly allocated converted version of s, or 0
1.154 + * on error.
1.155 + */
1.156 +UChar*
1.157 +ufmt_defaultCPToUnicode(const char *s, int32_t sSize,
1.158 + UChar *target, int32_t tSize);
1.159 +
1.160 +
1.161 +
1.162 +#endif
1.163 +
