/* ******************************************************************************* * * Copyright (C) 1998-1999, International Business Machines * Corporation and others. All Rights Reserved. * ******************************************************************************* * * File sprintf.c * * Modification History: * * Date Name Description * 02/08/00 george Creation. Copied from uprintf.c ******************************************************************************* */ #include "unicode/utypes.h" #include "sprintf.h" #include "sprntf_p.h" #include "unicode/ustdio.h" #include "unicode/ustring.h" #include "locbund.h" #include "loccache.h" #include "unicode/unum.h" #include "unicode/udat.h" #include "unicode/uloc.h" #include #include /* --- Prototypes ---------------------------- */ int32_t u_sprintf_simple_percent_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args); int32_t u_sprintf_string_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args); int32_t u_sprintf_date_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args); int32_t u_sprintf_scientific_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args); int32_t u_sprintf_scidbl_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args); int32_t u_sprintf_uchar_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args); int32_t u_sprintf_currency_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args); int32_t u_sprintf_ustring_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args); int32_t u_sprintf_percent_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args); int32_t u_sprintf_time_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args); int32_t u_sprintf_spellout_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args); int32_t u_sprintf_hex_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args); int32_t u_sprintf_char_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args); int32_t u_sprintf_integer_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args); int32_t u_sprintf_uinteger_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args); int32_t u_sprintf_double_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args); int32_t u_sprintf_count_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args); int32_t u_sprintf_octal_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args); int32_t u_sprintf_pointer_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args); /* ANSI style formatting */ /* Use US-ASCII characters only for formatting */ /* % */ #define UFMT_SIMPLE_PERCENT {ufmt_simple_percent, u_sprintf_simple_percent_handler} /* s */ #define UFMT_STRING {ufmt_string, u_sprintf_string_handler} /* c */ #define UFMT_CHAR {ufmt_char, u_sprintf_char_handler} /* d, i */ #define UFMT_INT {ufmt_int, u_sprintf_integer_handler} /* u */ #define UFMT_UINT {ufmt_int, u_sprintf_uinteger_handler} /* o */ #define UFMT_OCTAL {ufmt_int, u_sprintf_octal_handler} /* x, X */ #define UFMT_HEX {ufmt_int, u_sprintf_hex_handler} /* f */ #define UFMT_DOUBLE {ufmt_double, u_sprintf_double_handler} /* e, E */ #define UFMT_SCIENTIFIC {ufmt_double, u_sprintf_scientific_handler} /* g, G */ #define UFMT_SCIDBL {ufmt_double, u_sprintf_scidbl_handler} /* n */ #define UFMT_COUNT {ufmt_count, u_sprintf_count_handler} /* non-ANSI extensions */ /* Use US-ASCII characters only for formatting */ /* p */ #define UFMT_POINTER {ufmt_pointer, u_sprintf_pointer_handler} /* D */ #define UFMT_DATE {ufmt_date, u_sprintf_date_handler} /* T */ #define UFMT_TIME {ufmt_date, u_sprintf_time_handler} /* V */ #define UFMT_SPELLOUT {ufmt_double, u_sprintf_spellout_handler} /* P */ #define UFMT_PERCENT {ufmt_double, u_sprintf_percent_handler} /* M */ #define UFMT_CURRENCY {ufmt_double, u_sprintf_currency_handler} /* K */ #define UFMT_UCHAR {ufmt_uchar, u_sprintf_uchar_handler} /* U */ #define UFMT_USTRING {ufmt_ustring, u_sprintf_ustring_handler} #define UFMT_EMPTY {ufmt_empty, NULL} struct u_sprintf_info { enum ufmt_type_info info; u_sprintf_handler handler; }; typedef struct u_sprintf_info u_sprintf_info; /* Use US-ASCII characters only for formatting. Most codepages have characters 20-7F from Unicode. Using any other codepage specific characters will make it very difficult to format the string on non-Unicode machines */ static const u_sprintf_info g_u_sprintf_infos[108] = { /* 0x20 */ UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_SIMPLE_PERCENT,UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, /* 0x30 */ UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, /* 0x40 */ UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_DATE, UFMT_SCIENTIFIC, UFMT_EMPTY, UFMT_SCIDBL, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_UCHAR, UFMT_EMPTY, UFMT_CURRENCY, UFMT_EMPTY, UFMT_EMPTY, /* 0x50 */ UFMT_PERCENT, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_TIME, UFMT_USTRING, UFMT_SPELLOUT, UFMT_EMPTY, UFMT_HEX, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, /* 0x60 */ UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_CHAR, UFMT_INT, UFMT_SCIENTIFIC, UFMT_DOUBLE, UFMT_SCIDBL, UFMT_EMPTY, UFMT_INT, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_COUNT, UFMT_OCTAL, /* 0x70 */ UFMT_POINTER, UFMT_EMPTY, UFMT_EMPTY, UFMT_STRING, UFMT_EMPTY, UFMT_UINT, UFMT_EMPTY, UFMT_EMPTY, UFMT_HEX, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, UFMT_EMPTY, }; #define USPRINTF_NUM_FMT_HANDLERS sizeof(g_u_sprintf_infos) /* We do not use handlers for 0-0x1f */ #define USPRINTF_BASE_FMT_HANDLERS 0x20 /* buffer size for formatting */ #define USPRINTF_BUFFER_SIZE 1024 int32_t u_sprintf(UChar *buffer, const char *locale, const char *patternSpecification, ... ) { va_list ap; int32_t written; va_start(ap, patternSpecification); written = u_vsnprintf(buffer, INT32_MAX, locale, patternSpecification, ap); va_end(ap); return written; } int32_t u_sprintf_u(UChar *buffer, const char *locale, const UChar *patternSpecification, ... ) { va_list ap; int32_t written; va_start(ap, patternSpecification); written = u_vsnprintf_u(buffer, INT32_MAX, locale, patternSpecification, ap); va_end(ap); return written; } int32_t u_vsprintf(UChar *buffer, const char *locale, const char *patternSpecification, va_list ap) { return u_vsnprintf(buffer, INT32_MAX, locale, patternSpecification, ap); } int32_t u_snprintf(UChar *buffer, int32_t count, const char *locale, const char *patternSpecification, ... ) { va_list ap; int32_t written; va_start(ap, patternSpecification); written = u_vsnprintf(buffer, count, locale, patternSpecification, ap); va_end(ap); return written; } int32_t u_snprintf_u(UChar *buffer, int32_t count, const char *locale, const UChar *patternSpecification, ... ) { va_list ap; int32_t written; va_start(ap, patternSpecification); written = u_vsnprintf_u(buffer, count, locale, patternSpecification, ap); va_end(ap); return written; } int32_t u_vsnprintf(UChar *buffer, int32_t count, const char *locale, const char *patternSpecification, va_list ap) { int32_t written; UChar *pattern; /* convert from the default codepage to Unicode */ pattern = ufmt_defaultCPToUnicode(patternSpecification, strlen(patternSpecification)); if(pattern == 0) { return 0; } /* do the work */ written = u_vsnprintf_u(buffer, count, locale, pattern, ap); /* clean up */ free(pattern); return written; } static UChar * u_strset(UChar *str, int32_t count, UChar c) { int32_t idx; for(idx = 0; idx < count; ++idx) { str[idx] = c; } return str; } /* copies the minimum number of code units of (count or output->available) */ static int32_t u_minstrncpy(u_localized_string *output, const UChar *str, int32_t count) { int32_t size = ufmt_min(count, output->available); u_strncpy(output->str + (output->len - output->available), str, size); output->available -= size; return size; } static int32_t u_sprintf_pad_and_justify(u_localized_string *output, const u_sprintf_spec_info *info, const UChar *result, int32_t resultLen) { int32_t written; resultLen = ufmt_min(resultLen, output->available); written = resultLen; /* pad and justify, if needed */ if(info->fWidth != -1 && resultLen < info->fWidth) { int32_t paddingLeft = info->fWidth - resultLen; int32_t outputPos = output->len - output->available; if (paddingLeft + resultLen > output->available) { paddingLeft = output->available - resultLen; } written += paddingLeft; /* left justify */ if(info->fLeft) { written += u_minstrncpy(output, result, resultLen); u_strset(&output->str[outputPos + resultLen], paddingLeft, info->fPadChar); } /* right justify */ else { u_strset(&output->str[outputPos + resultLen], paddingLeft, info->fPadChar); written += u_minstrncpy(output, result, resultLen); } } /* just write the formatted output */ else { written = u_minstrncpy(output, result, resultLen); } return written; } /* handle a '%' */ int32_t u_sprintf_simple_percent_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args) { /* put a single '%' on the stream */ if (output->available >= 1) { output->str[output->len - output->available--] = 0x0025; /* we wrote one character */ return 1; } return 0; } /* handle 's' */ int32_t u_sprintf_string_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args) { UChar *s; int32_t len, written; const char *arg = (const char*)(args[0].ptrValue); /* convert from the default codepage to Unicode */ s = ufmt_defaultCPToUnicode(arg, strlen(arg)); if(s == 0) { return 0; } len = u_strlen(s); /* width = minimum # of characters to write */ /* precision = maximum # of characters to write */ /* precision takes precedence over width */ /* determine if the string should be truncated */ if(info->fPrecision != -1 && len > info->fPrecision) { written = u_minstrncpy(output, s, info->fPrecision); } /* determine if the string should be padded */ else { written = u_sprintf_pad_and_justify(output, info, s, len); } /* clean up */ free(s); return written; } /* HSYS */ int32_t u_sprintf_integer_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args) { long num = (long) (args[0].intValue); UNumberFormat *format; UChar result [USPRINTF_BUFFER_SIZE]; int32_t minDigits = -1; UErrorCode status = U_ZERO_ERROR; /* mask off any necessary bits */ if(info->fIsShort) num &= UINT16_MAX; else if(! info->fIsLong || ! info->fIsLongLong) num &= UINT32_MAX; /* get the formatter */ format = u_locbund_getNumberFormat(output->fBundle); /* handle error */ if(format == 0) return 0; /* set the appropriate flags on the formatter */ /* set the minimum integer digits */ if(info->fPrecision != -1) { /* clone the stream's bundle if it isn't owned */ if(! output->fOwnBundle) { output->fBundle = u_locbund_clone(output->fBundle); output->fOwnBundle = TRUE; format = u_locbund_getNumberFormat(output->fBundle); } /* set the minimum # of digits */ minDigits = unum_getAttribute(format, UNUM_MIN_INTEGER_DIGITS); unum_setAttribute(format, UNUM_MIN_INTEGER_DIGITS, info->fPrecision); } /* set whether to show the sign */ if(info->fShowSign) { /* clone the stream's bundle if it isn't owned */ if(! output->fOwnBundle) { output->fBundle = u_locbund_clone(output->fBundle); output->fOwnBundle = TRUE; format = u_locbund_getNumberFormat(output->fBundle); } /* set whether to show the sign*/ /* {sfb} TODO */ } /* format the number */ unum_format(format, num, result, USPRINTF_BUFFER_SIZE, 0, &status); /* restore the number format */ if(minDigits != -1) unum_setAttribute(format, UNUM_MIN_INTEGER_DIGITS, minDigits); return u_sprintf_pad_and_justify(output, info, result, u_strlen(result)); } int32_t u_sprintf_hex_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args) { long num = (long) (args[0].intValue); UChar result [USPRINTF_BUFFER_SIZE]; int32_t len = USPRINTF_BUFFER_SIZE; /* mask off any necessary bits */ if(info->fIsShort) num &= UINT16_MAX; else if(! info->fIsLong || ! info->fIsLongLong) num &= UINT32_MAX; /* format the number, preserving the minimum # of digits */ ufmt_ltou(result, &len, num, 16, (UBool)(info->fSpec == 0x0078), (info->fPrecision == -1 && info->fZero) ? info->fWidth : info->fPrecision); /* convert to alt form, if desired */ if(num != 0 && info->fAlt && len < USPRINTF_BUFFER_SIZE - 2) { /* shift the formatted string right by 2 chars */ memmove(result + 2, result, len * sizeof(UChar)); result[0] = 0x0030; result[1] = info->fSpec; len += 2; } return u_sprintf_pad_and_justify(output, info, result, len); } int32_t u_sprintf_octal_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args) { long num = (long) (args[0].intValue); UChar result [USPRINTF_BUFFER_SIZE]; int32_t len = USPRINTF_BUFFER_SIZE; /* mask off any necessary bits */ if(info->fIsShort) num &= UINT16_MAX; else if(! info->fIsLong || ! info->fIsLongLong) num &= UINT32_MAX; /* format the number, preserving the minimum # of digits */ ufmt_ltou(result, &len, num, 8, FALSE, /* doesn't matter for octal */ info->fPrecision == -1 && info->fZero ? info->fWidth : info->fPrecision); /* convert to alt form, if desired */ if(info->fAlt && result[0] != 0x0030 && len < USPRINTF_BUFFER_SIZE - 1) { /* shift the formatted string right by 1 char */ memmove(result + 1, result, len * sizeof(UChar)); result[0] = 0x0030; len += 1; } return u_sprintf_pad_and_justify(output, info, result, len); } int32_t u_sprintf_uinteger_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args) { u_sprintf_spec_info uint_info; ufmt_args uint_args; memcpy(&uint_info, info, sizeof(u_sprintf_spec_info)); memcpy(&uint_args, args, sizeof(ufmt_args)); uint_info.fPrecision = 0; uint_info.fAlt = FALSE; /* Get around int32_t limitations */ uint_args.doubleValue = ((double) ((uint32_t) (uint_args.intValue))); return u_sprintf_double_handler(output, &uint_info, &uint_args); } int32_t u_sprintf_double_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args) { double num = (double) (args[0].doubleValue); UNumberFormat *format; UChar result [USPRINTF_BUFFER_SIZE]; int32_t minDecimalDigits; int32_t maxDecimalDigits; UErrorCode status = U_ZERO_ERROR; /* mask off any necessary bits */ /* if(! info->fIsLongDouble) num &= DBL_MAX;*/ /* get the formatter */ format = u_locbund_getNumberFormat(output->fBundle); /* handle error */ if(format == 0) return 0; /* set the appropriate flags on the formatter */ /* clone the stream's bundle if it isn't owned */ if(! output->fOwnBundle) { output->fBundle = u_locbund_clone(output->fBundle); output->fOwnBundle = TRUE; format = u_locbund_getNumberFormat(output->fBundle); } /* set the number of decimal digits */ /* save the formatter's state */ minDecimalDigits = unum_getAttribute(format, UNUM_MIN_FRACTION_DIGITS); maxDecimalDigits = unum_getAttribute(format, UNUM_MAX_FRACTION_DIGITS); if(info->fPrecision != -1) { /* set the # of decimal digits */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, info->fPrecision); } else if(info->fPrecision == 0 && ! info->fAlt) { /* no decimal point in this case */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, 0); } else if(info->fAlt) { /* '#' means always show decimal point */ /* copy of printf behavior on Solaris - '#' shows 6 digits */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, 6); } else { /* # of decimal digits is 6 if precision not specified */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, 6); } /* set whether to show the sign */ if(info->fShowSign) { /* set whether to show the sign*/ /* {sfb} TODO */ } /* format the number */ unum_formatDouble(format, num, result, USPRINTF_BUFFER_SIZE, 0, &status); /* restore the number format */ unum_setAttribute(format, UNUM_MIN_FRACTION_DIGITS, minDecimalDigits); unum_setAttribute(format, UNUM_MAX_FRACTION_DIGITS, maxDecimalDigits); return u_sprintf_pad_and_justify(output, info, result, u_strlen(result)); } int32_t u_sprintf_char_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args) { UChar *s; int32_t len, written; unsigned char arg = (unsigned char)(args[0].intValue); /* convert from default codepage to Unicode */ s = ufmt_defaultCPToUnicode((const char *)&arg, 1); if(s == 0) { return 0; } /* Remember that this may be a surrogate pair */ len = u_strlen(s); /* width = minimum # of characters to write */ /* precision = maximum # of characters to write */ /* precision takes precedence over width */ /* determine if the string should be truncated */ if(info->fPrecision != -1 && len > info->fPrecision) { written = u_minstrncpy(output, s, info->fPrecision); } else { /* determine if the string should be padded */ written = u_sprintf_pad_and_justify(output, info, s, len); } /* clean up */ free(s); return written; } int32_t u_sprintf_pointer_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args) { long num = (long) (args[0].intValue); UChar result [USPRINTF_BUFFER_SIZE]; int32_t len = USPRINTF_BUFFER_SIZE; /* format the pointer in hex */ ufmt_ltou(result, &len, num, 16, TRUE, info->fPrecision); return u_sprintf_pad_and_justify(output, info, result, len); } int32_t u_sprintf_scientific_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args) { double num = (double) (args[0].doubleValue); UNumberFormat *format; UChar result [USPRINTF_BUFFER_SIZE]; int32_t minDecimalDigits; int32_t maxDecimalDigits; UErrorCode status = U_ZERO_ERROR; /* mask off any necessary bits */ /* if(! info->fIsLongDouble) num &= DBL_MAX;*/ /* get the formatter */ format = u_locbund_getScientificFormat(output->fBundle); /* handle error */ if(format == 0) return 0; /* set the appropriate flags on the formatter */ /* clone the stream's bundle if it isn't owned */ if(! output->fOwnBundle) { output->fBundle = u_locbund_clone(output->fBundle); output->fOwnBundle = TRUE; format = u_locbund_getScientificFormat(output->fBundle); } /* set the number of decimal digits */ /* save the formatter's state */ minDecimalDigits = unum_getAttribute(format, UNUM_MIN_FRACTION_DIGITS); maxDecimalDigits = unum_getAttribute(format, UNUM_MAX_FRACTION_DIGITS); if(info->fPrecision != -1) { /* set the # of decimal digits */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, info->fPrecision); } else if(info->fPrecision == 0 && ! info->fAlt) { /* no decimal point in this case */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, 0); } else if(info->fAlt) { /* '#' means always show decimal point */ /* copy of printf behavior on Solaris - '#' shows 6 digits */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, 6); } else { /* # of decimal digits is 6 if precision not specified */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, 6); } /* set whether to show the sign */ if(info->fShowSign) { /* set whether to show the sign*/ /* {sfb} TODO */ } /* format the number */ unum_formatDouble(format, num, result, USPRINTF_BUFFER_SIZE, 0, &status); /* restore the number format */ unum_setAttribute(format, UNUM_MIN_FRACTION_DIGITS, minDecimalDigits); unum_setAttribute(format, UNUM_MAX_FRACTION_DIGITS, maxDecimalDigits); return u_sprintf_pad_and_justify(output, info, result, u_strlen(result)); } int32_t u_sprintf_date_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args) { UDate num = (UDate) (args[0].dateValue); UDateFormat *format; UChar result [USPRINTF_BUFFER_SIZE]; UErrorCode status = U_ZERO_ERROR; /* get the formatter */ format = u_locbund_getDateFormat(output->fBundle); /* handle error */ if(format == 0) return 0; /* format the date */ udat_format(format, num, result, USPRINTF_BUFFER_SIZE, 0, &status); return u_sprintf_pad_and_justify(output, info, result, u_strlen(result)); } int32_t u_sprintf_time_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args) { UDate num = (UDate) (args[0].dateValue); UDateFormat *format; UChar result [USPRINTF_BUFFER_SIZE]; UErrorCode status = U_ZERO_ERROR; /* get the formatter */ format = u_locbund_getTimeFormat(output->fBundle); /* handle error */ if(format == 0) return 0; /* format the time */ udat_format(format, num, result, USPRINTF_BUFFER_SIZE, 0, &status); return u_sprintf_pad_and_justify(output, info, result, u_strlen(result)); } int32_t u_sprintf_percent_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args) { double num = (double) (args[0].doubleValue); UNumberFormat *format; UChar result [USPRINTF_BUFFER_SIZE]; int32_t minDecimalDigits; int32_t maxDecimalDigits; UErrorCode status = U_ZERO_ERROR; /* mask off any necessary bits */ /* if(! info->fIsLongDouble) num &= DBL_MAX;*/ /* get the formatter */ format = u_locbund_getPercentFormat(output->fBundle); /* handle error */ if(format == 0) return 0; /* set the appropriate flags on the formatter */ /* clone the stream's bundle if it isn't owned */ if(! output->fOwnBundle) { output->fBundle = u_locbund_clone(output->fBundle); output->fOwnBundle = TRUE; format = u_locbund_getPercentFormat(output->fBundle); } /* set the number of decimal digits */ /* save the formatter's state */ minDecimalDigits = unum_getAttribute(format, UNUM_MIN_FRACTION_DIGITS); maxDecimalDigits = unum_getAttribute(format, UNUM_MAX_FRACTION_DIGITS); if(info->fPrecision != -1) { /* set the # of decimal digits */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, info->fPrecision); } else if(info->fPrecision == 0 && ! info->fAlt) { /* no decimal point in this case */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, 0); } else if(info->fAlt) { /* '#' means always show decimal point */ /* copy of printf behavior on Solaris - '#' shows 6 digits */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, 6); } else { /* # of decimal digits is 6 if precision not specified */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, 6); } /* set whether to show the sign */ if(info->fShowSign) { /* set whether to show the sign*/ /* {sfb} TODO */ } /* format the number */ unum_formatDouble(format, num, result, USPRINTF_BUFFER_SIZE, 0, &status); /* restore the number format */ unum_setAttribute(format, UNUM_MIN_FRACTION_DIGITS, minDecimalDigits); unum_setAttribute(format, UNUM_MAX_FRACTION_DIGITS, maxDecimalDigits); return u_sprintf_pad_and_justify(output, info, result, u_strlen(result)); } int32_t u_sprintf_currency_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args) { double num = (double) (args[0].doubleValue); UNumberFormat *format; UChar result [USPRINTF_BUFFER_SIZE]; int32_t minDecimalDigits; int32_t maxDecimalDigits; UErrorCode status = U_ZERO_ERROR; /* mask off any necessary bits */ /* if(! info->fIsLongDouble) num &= DBL_MAX;*/ /* get the formatter */ format = u_locbund_getCurrencyFormat(output->fBundle); /* handle error */ if(format == 0) return 0; /* set the appropriate flags on the formatter */ /* clone the stream's bundle if it isn't owned */ if(! output->fOwnBundle) { output->fBundle = u_locbund_clone(output->fBundle); output->fOwnBundle = TRUE; format = u_locbund_getCurrencyFormat(output->fBundle); } /* set the number of decimal digits */ /* save the formatter's state */ minDecimalDigits = unum_getAttribute(format, UNUM_MIN_FRACTION_DIGITS); maxDecimalDigits = unum_getAttribute(format, UNUM_MAX_FRACTION_DIGITS); if(info->fPrecision != -1) { /* set the # of decimal digits */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, info->fPrecision); } else if(info->fPrecision == 0 && ! info->fAlt) { /* no decimal point in this case */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, 0); } else if(info->fAlt) { /* '#' means always show decimal point */ /* copy of printf behavior on Solaris - '#' shows 6 digits */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, 6); } else { /* # of decimal digits is 6 if precision not specified */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, 6); } /* set whether to show the sign */ if(info->fShowSign) { /* set whether to show the sign*/ /* {sfb} TODO */ } /* format the number */ unum_formatDouble(format, num, result, USPRINTF_BUFFER_SIZE, 0, &status); /* restore the number format */ unum_setAttribute(format, UNUM_MIN_FRACTION_DIGITS, minDecimalDigits); unum_setAttribute(format, UNUM_MAX_FRACTION_DIGITS, maxDecimalDigits); return u_sprintf_pad_and_justify(output, info, result, u_strlen(result)); } int32_t u_sprintf_ustring_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args) { int32_t len, written; const UChar *arg = (const UChar*)(args[0].ptrValue); /* allocate enough space for the buffer */ len = u_strlen(arg); /* width = minimum # of characters to write */ /* precision = maximum # of characters to write */ /* precision takes precedence over width */ /* determine if the string should be truncated */ if(info->fPrecision != -1 && len > info->fPrecision) { written = u_minstrncpy(output, arg, info->fPrecision); } else { /* determine if the string should be padded */ written = u_sprintf_pad_and_justify(output, info, arg, len); } return written; } int32_t u_sprintf_uchar_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args) { int32_t written = 0; UChar arg = (UChar)(args[0].intValue); /* width = minimum # of characters to write */ /* precision = maximum # of characters to write */ /* precision takes precedence over width */ /* determine if the char should be printed */ if(info->fPrecision != -1 && info->fPrecision < 1) { /* write nothing */ written = 0; } else { /* determine if the string should be padded */ written = u_sprintf_pad_and_justify(output, info, &arg, 1); } return written; } int32_t u_sprintf_scidbl_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args) { double num = (double)(args[0].doubleValue); UBool useE; /* a precision of 0 is taken as 1 */ if(info->fPrecision == 0) ((u_sprintf_spec_info*)info)->fPrecision = 1; /* determine whether to use 'e' or 'f' */ useE = (UBool)(num < 0.0001 || (info->fPrecision != -1 && num > uprv_pow10(info->fPrecision))); /* use 'e' */ if(useE) { /* adjust the specifier */ ((u_sprintf_spec_info*)info)->fSpec = 0x0065; /* call the scientific handler */ return u_sprintf_scientific_handler(output, info, args); } /* use 'f' */ else { /* adjust the specifier */ ((u_sprintf_spec_info*)info)->fSpec = 0x0066; /* call the double handler */ return u_sprintf_double_handler(output, info, args); } } int32_t u_sprintf_count_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args) { int *count = (int*)(args[0].ptrValue); /* in the special case of count, the u_printf_spec_info's width */ /* will contain the # of chars written thus far */ *count = info->fWidth; return 0; } int32_t u_sprintf_spellout_handler(u_localized_string *output, const u_sprintf_spec_info *info, const ufmt_args *args) { double num = (double) (args[0].doubleValue); UNumberFormat *format; UChar result [USPRINTF_BUFFER_SIZE]; int32_t minDecimalDigits; int32_t maxDecimalDigits; UErrorCode status = U_ZERO_ERROR; /* mask off any necessary bits */ /* if(! info->fIsLongDouble) num &= DBL_MAX;*/ /* get the formatter */ format = u_locbund_getSpelloutFormat(output->fBundle); /* handle error */ if(format == 0) return 0; /* set the appropriate flags on the formatter */ /* clone the stream's bundle if it isn't owned */ if(! output->fOwnBundle) { output->fBundle = u_locbund_clone(output->fBundle); output->fOwnBundle = TRUE; format = u_locbund_getSpelloutFormat(output->fBundle); } /* set the number of decimal digits */ /* save the formatter's state */ minDecimalDigits = unum_getAttribute(format, UNUM_MIN_FRACTION_DIGITS); maxDecimalDigits = unum_getAttribute(format, UNUM_MAX_FRACTION_DIGITS); if(info->fPrecision != -1) { /* set the # of decimal digits */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, info->fPrecision); } else if(info->fPrecision == 0 && ! info->fAlt) { /* no decimal point in this case */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, 0); } else if(info->fAlt) { /* '#' means always show decimal point */ /* copy of printf behavior on Solaris - '#' shows 6 digits */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, 6); } else { /* # of decimal digits is 6 if precision not specified */ unum_setAttribute(format, UNUM_FRACTION_DIGITS, 6); } /* set whether to show the sign */ if(info->fShowSign) { /* set whether to show the sign*/ /* {sfb} TODO */ } /* format the number */ unum_formatDouble(format, num, result, USPRINTF_BUFFER_SIZE, 0, &status); /* restore the number format */ unum_setAttribute(format, UNUM_MIN_FRACTION_DIGITS, minDecimalDigits); unum_setAttribute(format, UNUM_MAX_FRACTION_DIGITS, maxDecimalDigits); return u_sprintf_pad_and_justify(output, info, result, u_strlen(result)); } #define UP_PERCENT 0x0025 int32_t u_vsnprintf_u(UChar *buffer, int32_t count, const char *locale, const UChar *patternSpecification, va_list ap) { const UChar *alias = patternSpecification; const UChar *lastAlias; int32_t patCount; int32_t written = 0; uint16_t handlerNum; ufmt_args args; u_localized_string outStr; u_sprintf_spec spec; ufmt_type_info info; u_sprintf_handler handler; if (count < 0) { count = INT32_MAX; } outStr.str = buffer; outStr.len = count; outStr.available = count; /* if locale is 0, use the default */ if(locale == 0) { locale = uloc_getDefault(); } outStr.fBundle = u_loccache_get(locale); if(outStr.fBundle == 0) { return 0; } outStr.fOwnBundle = FALSE; /* iterate through the pattern */ while(outStr.available > 0) { /* find the next '%' */ lastAlias = alias; while(*alias != UP_PERCENT && *alias != 0x0000) { alias++; } /* write any characters before the '%' */ if(alias > lastAlias) { written += u_minstrncpy(&outStr, lastAlias, (int32_t)(alias - lastAlias)); } /* break if at end of string */ if(*alias == 0x0000) { if (outStr.available > 0) { outStr.str[written] = 0; /* NULL terminate it just in case */ } break; } /* parse the specifier */ patCount = u_sprintf_parse_spec(alias, &spec); /* fill in the precision and width, if specified out of line */ /* width specified out of line */ if(spec.fInfo.fWidth == -2) { if(spec.fWidthPos == -1) { /* read the width from the argument list */ spec.fInfo.fWidth = va_arg(ap, int); } else { /* handle positional parameter */ } /* if it's negative, take the absolute value and set left alignment */ if(spec.fInfo.fWidth < 0) { spec.fInfo.fWidth *= -1; spec.fInfo.fLeft = TRUE; } } /* precision specified out of line */ if(spec.fInfo.fPrecision == -2) { if(spec.fPrecisionPos == -1) { /* read the precision from the argument list */ spec.fInfo.fPrecision = va_arg(ap, int); } else { /* handle positional parameter */ } /* if it's negative, set it to zero */ if(spec.fInfo.fPrecision < 0) spec.fInfo.fPrecision = 0; } handlerNum = (uint16_t)(spec.fInfo.fSpec - USPRINTF_BASE_FMT_HANDLERS); if (handlerNum < USPRINTF_NUM_FMT_HANDLERS) { /* query the info function for argument information */ info = g_u_sprintf_infos[ handlerNum ].info; if(info > ufmt_simple_percent) { switch(info) { case ufmt_count: /* set the spec's width to the # of chars written */ spec.fInfo.fWidth = written; case ufmt_char: case ufmt_uchar: case ufmt_int: args.intValue = va_arg(ap, int); break; case ufmt_wchar: args.wcharValue = va_arg(ap, wchar_t); break; case ufmt_string: args.ptrValue = va_arg(ap, char*); break; case ufmt_wstring: args.ptrValue = va_arg(ap, wchar_t*); break; case ufmt_ustring: args.ptrValue = va_arg(ap, UChar*); break; case ufmt_pointer: args.ptrValue = va_arg(ap, void*); break; case ufmt_float: args.floatValue = (float) va_arg(ap, double); break; case ufmt_double: args.doubleValue = va_arg(ap, double); break; case ufmt_date: args.dateValue = va_arg(ap, UDate); break; default: break; /* Should never get here */ } } /* call the handler function */ handler = g_u_sprintf_infos[ handlerNum ].handler; if(handler != 0) { written += (*handler)(&outStr, &spec.fInfo, &args); } else { /* just echo unknown tags */ written += u_minstrncpy(&outStr, lastAlias, (int32_t)(alias - lastAlias)); } } else { /* just echo unknown tags */ written += u_minstrncpy(&outStr, lastAlias, (int32_t)(alias - lastAlias)); } /* update the pointer in pattern and continue */ alias += patCount; } /* return # of UChars written */ return written; }