| /* |
| ****************************************************************************** |
| * |
| * Copyright (C) 1998-2004, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| * |
| ****************************************************************************** |
| * |
| * File ufmt_cmn.h |
| * |
| * Modification History: |
| * |
| * Date Name Description |
| * 12/02/98 stephen Creation. |
| * 03/12/99 stephen Modified for new C API. |
| * 03/15/99 stephen Added defaultCPToUnicode, unicodeToDefaultCP |
| ****************************************************************************** |
| */ |
| |
| #ifndef UFMT_CMN_H |
| #define UFMT_CMN_H |
| |
| #include "unicode/utypes.h" |
| |
| #define UFMT_DEFAULT_BUFFER_SIZE 128 |
| #define MAX_UCHAR_BUFFER_SIZE(buffer) (sizeof(buffer)/(UTF_MAX_CHAR_LENGTH*sizeof(UChar))) |
| #define MAX_UCHAR_BUFFER_NEEDED(strLen) ((strLen+1)*UTF_MAX_CHAR_LENGTH*sizeof(UChar)) |
| |
| /** |
| * Enum representing the possible argument types for uprintf/uscanf |
| */ |
| typedef enum ufmt_type_info { |
| ufmt_empty = 0, |
| ufmt_simple_percent, /* %% do nothing */ |
| ufmt_count, /* special flag for count */ |
| ufmt_int, /* int */ |
| ufmt_char, /* int, cast to char */ |
| ufmt_string, /* char* */ |
| ufmt_pointer, /* void* */ |
| ufmt_float, /* float */ |
| ufmt_double, /* double */ |
| ufmt_uchar, /* int, cast to UChar */ |
| ufmt_ustring /* UChar* */ |
| /*ufmt_wchar,*/ /* wchar_t */ |
| /*ufmt_wstring,*/ /* wchar_t* */ |
| /*ufmt_date,*/ /* Date */ |
| /*ufmt_last*/ |
| } ufmt_type_info; |
| |
| /** |
| * Union representing a uprintf/uscanf argument |
| */ |
| typedef union ufmt_args { |
| int64_t int64Value; /* int, UChar */ |
| float floatValue; /* float */ |
| double doubleValue; /* double */ |
| void *ptrValue; /* any pointer - void*, char*, wchar_t*, UChar* */ |
| /*wchar_t wcharValue;*/ /* wchar_t */ /* TODO: Should wchar_t be used? */ |
| /*UDate dateValue;*/ /* Date */ |
| } ufmt_args; |
| |
| /** |
| * Macro for determining the minimum of two numbers. |
| * @param a An integer |
| * @param b An integer |
| * @return <TT>a</TT> if </TT>a < b</TT>, <TT>b</TT> otherwise |
| */ |
| #define ufmt_min(a,b) ((a) < (b) ? (a) : (b)) |
| |
| /** |
| * Convert a UChar in hex radix to an integer value. |
| * @param c The UChar to convert. |
| * @return The integer value of <TT>c</TT>. |
| */ |
| int |
| ufmt_digitvalue(UChar c); |
| |
| /** |
| * Determine if a UChar is a digit for a specified radix. |
| * @param c The UChar to check. |
| * @param radix The desired radix. |
| * @return TRUE if <TT>c</TT> is a digit in <TT>radix</TT>, FALSE otherwise. |
| */ |
| UBool |
| ufmt_isdigit(UChar c, |
| int32_t radix); |
| |
| /** |
| * Convert an int64_t to a UChar* in a specified radix |
| * @param buffer The target buffer |
| * @param len On input, the size of <TT>buffer</TT>. On output, |
| * the number of UChars written to <TT>buffer</TT>. |
| * @param value The value to be converted |
| * @param radix The desired radix |
| * @param uselower TRUE means lower case will be used, FALSE means upper case |
| * @param minDigits The minimum number of digits for for the formatted number, |
| * which will be padded with zeroes. -1 means do not pad. |
| */ |
| void |
| ufmt_64tou(UChar *buffer, |
| int32_t *len, |
| uint64_t value, |
| uint8_t radix, |
| UBool uselower, |
| int32_t minDigits); |
| |
| /** |
| * It's like ufmt_64tou, but with a pointer. |
| * This functions avoids size constraints of 64-bit types. |
| * Pointers can be at 32-128 bits in size. |
| */ |
| void |
| ufmt_ptou(UChar *buffer, |
| int32_t *len, |
| void *value, |
| UBool uselower); |
| |
| /** |
| * Convert a UChar* in a specified radix to an int64_t. |
| * @param buffer The target buffer |
| * @param len On input, the size of <TT>buffer</TT>. On output, |
| * the number of UChars read from <TT>buffer</TT>. |
| * @param radix The desired radix |
| * @return The numeric value. |
| */ |
| int64_t |
| ufmt_uto64(const UChar *buffer, |
| int32_t *len, |
| int8_t radix); |
| |
| /** |
| * Convert a UChar* in a specified radix to a pointer, |
| * @param buffer The target buffer |
| * @param len On input, the size of <TT>buffer</TT>. On output, |
| * the number of UChars read from <TT>buffer</TT>. |
| * @param radix The desired radix |
| * @return The pointer value. |
| */ |
| void * |
| ufmt_utop(const UChar *buffer, |
| int32_t *len); |
| |
| /** |
| * Convert a string from the default codepage to Unicode. |
| * @param s The string to convert, in the default codepage. |
| * @param sSize The size of s to convert. |
| * @param target The buffer to convert to. |
| * @param tSize The size of target |
| * @return A pointer to a newly allocated converted version of s, or 0 |
| * on error. |
| */ |
| UChar* |
| ufmt_defaultCPToUnicode(const char *s, int32_t sSize, |
| UChar *target, int32_t tSize); |
| |
| |
| |
| #endif |
| |