1304 lines
43 KiB
C
1304 lines
43 KiB
C
/*
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******************************************************************************
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*
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* Copyright (C) 1998-2003, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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******************************************************************************
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*
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* File sprintf.c
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*
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* Modification History:
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*
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* Date Name Description
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* 02/08/2000 george Creation. Copied from uprintf.c
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* 03/27/2002 Mark Schneckloth Many fixes regarding alignment, null termination
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* (mschneckloth@atomz.com) and other various problems.
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*******************************************************************************
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*/
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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#include "unicode/ustdio.h"
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#include "unicode/ustring.h"
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#include "unicode/unum.h"
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#include "unicode/udat.h"
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#include "sprintf.h"
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#include "uprntf_p.h"
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#include "locbund.h"
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#include "cmemory.h"
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#include <ctype.h>
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#define UP_PERCENT 0x0025
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/* ANSI style formatting */
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/* Use US-ASCII characters only for formatting */
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/* % */
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#define UFMT_SIMPLE_PERCENT {ufmt_simple_percent, u_printf_simple_percent_handler}
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/* s */
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#define UFMT_STRING {ufmt_string, u_printf_string_handler}
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/* c */
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#define UFMT_CHAR {ufmt_char, u_printf_char_handler}
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/* d, i */
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#define UFMT_INT {ufmt_int, u_printf_integer_handler}
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/* u */
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#define UFMT_UINT {ufmt_int, u_printf_uinteger_handler}
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/* o */
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#define UFMT_OCTAL {ufmt_int, u_printf_octal_handler}
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/* x, X */
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#define UFMT_HEX {ufmt_int, u_printf_hex_handler}
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/* f */
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#define UFMT_DOUBLE {ufmt_double, u_printf_double_handler}
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/* e, E */
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#define UFMT_SCIENTIFIC {ufmt_double, u_printf_scientific_handler}
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/* g, G */
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#define UFMT_SCIDBL {ufmt_double, u_printf_scidbl_handler}
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/* n */
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#define UFMT_COUNT {ufmt_count, u_printf_count_handler}
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/* non-ANSI extensions */
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/* Use US-ASCII characters only for formatting */
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/* p */
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#define UFMT_POINTER {ufmt_pointer, u_printf_pointer_handler}
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/* D */
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#define UFMT_DATE {ufmt_date, u_printf_date_handler}
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/* T */
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#define UFMT_TIME {ufmt_date, u_printf_time_handler}
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/* V */
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#define UFMT_SPELLOUT {ufmt_double, u_printf_spellout_handler}
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/* P */
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#define UFMT_PERCENT {ufmt_double, u_printf_percent_handler}
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/* M */
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#define UFMT_CURRENCY {ufmt_double, u_printf_currency_handler}
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/* K */
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#define UFMT_UCHAR {ufmt_uchar, u_printf_uchar_handler}
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/* U */
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#define UFMT_USTRING {ufmt_ustring, u_printf_ustring_handler}
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#define UFMT_EMPTY {ufmt_empty, NULL}
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typedef struct u_printf_info {
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ufmt_type_info info;
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u_printf_handler *handler;
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} u_printf_info;
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#define UPRINTF_NUM_FMT_HANDLERS 108
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/* We do not use handlers for 0-0x1f */
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#define UPRINTF_BASE_FMT_HANDLERS 0x20
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/* buffer size for formatting */
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#define UPRINTF_BUFFER_SIZE 1024
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#define UPRINTF_SYMBOL_BUFFER_SIZE 8
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static const UChar gNullStr[] = {0x28, 0x6E, 0x75, 0x6C, 0x6C, 0x29, 0}; /* "(null)" */
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static const UChar gSpaceStr[] = {0x20, 0}; /* " " */
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/* u_minstrncpy copies the minimum number of code units of (count or output->available) */
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static int32_t
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u_sprintf_write(void *context,
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const UChar *str,
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int32_t count)
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{
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u_localized_string *output = (u_localized_string *)context;
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int32_t size = ufmt_min(count, output->available);
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u_strncpy(output->str + (output->len - output->available), str, size);
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output->available -= size;
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return size;
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}
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static int32_t
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u_sprintf_pad_and_justify(void *context,
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const u_printf_spec_info *info,
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const UChar *result,
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int32_t resultLen)
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{
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u_localized_string *output = (u_localized_string *)context;
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int32_t written = 0;
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resultLen = ufmt_min(resultLen, output->available);
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/* pad and justify, if needed */
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if(info->fWidth != -1 && resultLen < info->fWidth) {
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int32_t paddingLeft = info->fWidth - resultLen;
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int32_t outputPos = output->len - output->available;
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if (paddingLeft + resultLen > output->available) {
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paddingLeft = output->available - resultLen;
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if (paddingLeft < 0) {
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paddingLeft = 0;
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}
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/* paddingLeft = output->available - resultLen;*/
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}
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written += paddingLeft;
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/* left justify */
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if(info->fLeft) {
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written += u_sprintf_write(output, result, resultLen);
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u_memset(&output->str[outputPos + resultLen], info->fPadChar, paddingLeft);
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output->available -= paddingLeft;
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}
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/* right justify */
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else {
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u_memset(&output->str[outputPos], info->fPadChar, paddingLeft);
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output->available -= paddingLeft;
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written += u_sprintf_write(output, result, resultLen);
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}
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}
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/* just write the formatted output */
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else {
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written = u_sprintf_write(output, result, resultLen);
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}
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return written;
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}
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/* Sets the sign of a format based on u_printf_spec_info */
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/* TODO: Is setting the prefix symbol to a positive sign a good idea in all locales? */
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static void
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u_printf_set_sign(UNumberFormat *format,
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const u_printf_spec_info *info,
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UErrorCode *status)
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{
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if(info->fShowSign) {
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if (info->fSpace) {
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/* Setting UNUM_PLUS_SIGN_SYMBOL affects the exponent too. */
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/* unum_setSymbol(format, UNUM_PLUS_SIGN_SYMBOL, gSpaceStr, 1, &status); */
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unum_setTextAttribute(format, UNUM_POSITIVE_PREFIX, gSpaceStr, 1, status);
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}
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else {
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UChar plusSymbol[UPRINTF_SYMBOL_BUFFER_SIZE];
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int32_t symbolLen;
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symbolLen = unum_getSymbol(format,
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UNUM_PLUS_SIGN_SYMBOL,
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plusSymbol,
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sizeof(plusSymbol)/sizeof(*plusSymbol),
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status);
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unum_setTextAttribute(format,
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UNUM_POSITIVE_PREFIX,
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plusSymbol,
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symbolLen,
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status);
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}
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}
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}
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/* handle a '%' */
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static int32_t
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u_printf_simple_percent_handler(const u_printf_stream_handler *handler,
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void *context,
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ULocaleBundle *formatBundle,
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const u_printf_spec_info *info,
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const ufmt_args *args)
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{
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static const UChar PERCENT[] = { UP_PERCENT };
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/* put a single '%' onto the output */
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return handler->write(context, PERCENT, 1);
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}
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/* handle 's' */
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static int32_t
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u_printf_string_handler(const u_printf_stream_handler *handler,
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void *context,
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ULocaleBundle *formatBundle,
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const u_printf_spec_info *info,
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const ufmt_args *args)
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{
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UChar *s;
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UChar buffer[UFMT_DEFAULT_BUFFER_SIZE];
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int32_t len, written;
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int32_t argSize;
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const char *arg = (const char*)(args[0].ptrValue);
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/* convert from the default codepage to Unicode */
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if (arg) {
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argSize = (int32_t)strlen(arg) + 1;
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if (argSize >= MAX_UCHAR_BUFFER_SIZE(buffer)) {
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s = ufmt_defaultCPToUnicode(arg, argSize,
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(UChar *)uprv_malloc(MAX_UCHAR_BUFFER_NEEDED(argSize)),
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MAX_UCHAR_BUFFER_NEEDED(argSize));
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if(s == NULL) {
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return 0;
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}
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}
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else {
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s = ufmt_defaultCPToUnicode(arg, argSize, buffer,
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sizeof(buffer)/sizeof(UChar));
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}
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}
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else {
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s = (UChar *)gNullStr;
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}
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len = u_strlen(s);
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/* width = minimum # of characters to write */
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/* precision = maximum # of characters to write */
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/* precision takes precedence over width */
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/* determine if the string should be truncated */
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if(info->fPrecision != -1 && len > info->fPrecision) {
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written = handler->write(context, s, info->fPrecision);
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}
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/* determine if the string should be padded */
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else {
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written = handler->pad_and_justify(context, info, s, len);
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}
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/* clean up */
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if (gNullStr != s && buffer != s) {
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uprv_free(s);
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}
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return written;
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}
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static int32_t
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u_printf_char_handler(const u_printf_stream_handler *handler,
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void *context,
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ULocaleBundle *formatBundle,
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const u_printf_spec_info *info,
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const ufmt_args *args)
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{
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UChar s[UTF_MAX_CHAR_LENGTH+1];
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int32_t len = 1, written;
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unsigned char arg = (unsigned char)(args[0].intValue);
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/* convert from default codepage to Unicode */
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ufmt_defaultCPToUnicode((const char *)&arg, 2, s, sizeof(s)/sizeof(UChar));
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/* Remember that this may be an MBCS character */
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if (arg != 0) {
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len = u_strlen(s);
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}
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/* width = minimum # of characters to write */
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/* precision = maximum # of characters to write */
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/* precision takes precedence over width */
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/* determine if the string should be truncated */
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if(info->fPrecision != -1 && len > info->fPrecision) {
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written = handler->write(context, s, info->fPrecision);
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}
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else {
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/* determine if the string should be padded */
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written = handler->pad_and_justify(context, info, s, len);
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}
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return written;
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}
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static int32_t
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u_printf_double_handler(const u_printf_stream_handler *handler,
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void *context,
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ULocaleBundle *formatBundle,
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const u_printf_spec_info *info,
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const ufmt_args *args)
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{
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double num = (double) (args[0].doubleValue);
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UNumberFormat *format;
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UChar result [UPRINTF_BUFFER_SIZE];
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int32_t minDecimalDigits;
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int32_t maxDecimalDigits;
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UErrorCode status = U_ZERO_ERROR;
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/* mask off any necessary bits */
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/* if(! info->fIsLongDouble)
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num &= DBL_MAX;*/
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/* get the formatter */
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format = u_locbund_getNumberFormat(formatBundle, UNUM_DECIMAL);
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/* handle error */
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if(format == 0)
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return 0;
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/* save the formatter's state */
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minDecimalDigits = unum_getAttribute(format, UNUM_MIN_FRACTION_DIGITS);
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maxDecimalDigits = unum_getAttribute(format, UNUM_MAX_FRACTION_DIGITS);
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/* set the appropriate flags and number of decimal digits on the formatter */
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if(info->fPrecision != -1) {
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/* set the # of decimal digits */
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unum_setAttribute(format, UNUM_FRACTION_DIGITS, info->fPrecision);
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}
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else if(info->fPrecision == 0 && ! info->fAlt) {
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/* no decimal point in this case */
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unum_setAttribute(format, UNUM_FRACTION_DIGITS, 0);
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}
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else if(info->fAlt) {
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/* '#' means always show decimal point */
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/* copy of printf behavior on Solaris - '#' shows 6 digits */
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unum_setAttribute(format, UNUM_FRACTION_DIGITS, 6);
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}
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else {
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/* # of decimal digits is 6 if precision not specified regardless of locale */
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unum_setAttribute(format, UNUM_FRACTION_DIGITS, 6);
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}
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/* set whether to show the sign */
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u_printf_set_sign(format, info, &status);
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/* format the number */
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unum_formatDouble(format, num, result, UPRINTF_BUFFER_SIZE, 0, &status);
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/* restore the number format */
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unum_setAttribute(format, UNUM_MIN_FRACTION_DIGITS, minDecimalDigits);
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unum_setAttribute(format, UNUM_MAX_FRACTION_DIGITS, maxDecimalDigits);
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return handler->pad_and_justify(context, info, result, u_strlen(result));
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}
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/* HSYS */
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static int32_t
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u_printf_integer_handler(const u_printf_stream_handler *handler,
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void *context,
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ULocaleBundle *formatBundle,
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const u_printf_spec_info *info,
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const ufmt_args *args)
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{
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long num = (long) (args[0].intValue);
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UNumberFormat *format;
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UChar result [UPRINTF_BUFFER_SIZE];
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int32_t minDigits = -1;
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UErrorCode status = U_ZERO_ERROR;
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/* mask off any necessary bits */
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if(info->fIsShort)
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num &= UINT16_MAX;
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else if(! info->fIsLong || ! info->fIsLongLong)
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num &= UINT32_MAX;
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/* get the formatter */
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format = u_locbund_getNumberFormat(formatBundle, UNUM_DECIMAL);
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/* handle error */
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if(format == 0)
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return 0;
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/* set the appropriate flags on the formatter */
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/* set the minimum integer digits */
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if(info->fPrecision != -1) {
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/* set the minimum # of digits */
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minDigits = unum_getAttribute(format, UNUM_MIN_INTEGER_DIGITS);
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unum_setAttribute(format, UNUM_MIN_INTEGER_DIGITS, info->fPrecision);
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}
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/* set whether to show the sign */
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if(info->fShowSign) {
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u_printf_set_sign(format, info, &status);
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}
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/* format the number */
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unum_format(format, num, result, UPRINTF_BUFFER_SIZE, 0, &status);
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/* restore the number format */
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if (minDigits != -1) {
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unum_setAttribute(format, UNUM_MIN_INTEGER_DIGITS, minDigits);
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}
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return handler->pad_and_justify(context, info, result, u_strlen(result));
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}
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static int32_t
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u_printf_hex_handler(const u_printf_stream_handler *handler,
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void *context,
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ULocaleBundle *formatBundle,
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const u_printf_spec_info *info,
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const ufmt_args *args)
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{
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long num = (long) (args[0].intValue);
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UChar result [UPRINTF_BUFFER_SIZE];
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int32_t len = UPRINTF_BUFFER_SIZE;
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/* mask off any necessary bits */
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if(info->fIsShort)
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num &= UINT16_MAX;
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else if(! info->fIsLong || ! info->fIsLongLong)
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num &= UINT32_MAX;
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/* format the number, preserving the minimum # of digits */
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ufmt_ltou(result, &len, num, 16,
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(UBool)(info->fSpec == 0x0078),
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(info->fPrecision == -1 && info->fZero) ? info->fWidth : info->fPrecision);
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/* convert to alt form, if desired */
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if(num != 0 && info->fAlt && len < UPRINTF_BUFFER_SIZE - 2) {
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/* shift the formatted string right by 2 chars */
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memmove(result + 2, result, len * sizeof(UChar));
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result[0] = 0x0030;
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result[1] = info->fSpec;
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len += 2;
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}
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return handler->pad_and_justify(context, info, result, len);
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}
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static int32_t
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u_printf_octal_handler(const u_printf_stream_handler *handler,
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void *context,
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ULocaleBundle *formatBundle,
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const u_printf_spec_info *info,
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const ufmt_args *args)
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{
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long num = (long) (args[0].intValue);
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UChar result [UPRINTF_BUFFER_SIZE];
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int32_t len = UPRINTF_BUFFER_SIZE;
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|
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/* mask off any necessary bits */
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if(info->fIsShort)
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num &= UINT16_MAX;
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else if(! info->fIsLong || ! info->fIsLongLong)
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num &= UINT32_MAX;
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/* format the number, preserving the minimum # of digits */
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ufmt_ltou(result, &len, num, 8,
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FALSE, /* doesn't matter for octal */
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info->fPrecision == -1 && info->fZero ? info->fWidth : info->fPrecision);
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/* convert to alt form, if desired */
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if(info->fAlt && result[0] != 0x0030 && len < UPRINTF_BUFFER_SIZE - 1) {
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/* shift the formatted string right by 1 char */
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memmove(result + 1, result, len * sizeof(UChar));
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result[0] = 0x0030;
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len += 1;
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}
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return handler->pad_and_justify(context, info, result, len);
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}
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static int32_t
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u_printf_uinteger_handler(const u_printf_stream_handler *handler,
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void *context,
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ULocaleBundle *formatBundle,
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const u_printf_spec_info *info,
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const ufmt_args *args)
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{
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u_printf_spec_info uint_info;
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ufmt_args uint_args;
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memcpy(&uint_info, info, sizeof(u_printf_spec_info));
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memcpy(&uint_args, args, sizeof(ufmt_args));
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uint_info.fPrecision = 0;
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uint_info.fAlt = FALSE;
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/* Get around int32_t limitations */
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uint_args.doubleValue = ((double) ((uint32_t) (uint_args.intValue)));
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return u_printf_double_handler(handler, context, formatBundle, &uint_info, &uint_args);
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}
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static int32_t
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u_printf_pointer_handler(const u_printf_stream_handler *handler,
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void *context,
|
|
ULocaleBundle *formatBundle,
|
|
const u_printf_spec_info *info,
|
|
const ufmt_args *args)
|
|
{
|
|
long num = (long) (args[0].intValue);
|
|
UChar result [UPRINTF_BUFFER_SIZE];
|
|
int32_t len = UPRINTF_BUFFER_SIZE;
|
|
|
|
|
|
/* format the pointer in hex */
|
|
ufmt_ltou(result, &len, num, 16, TRUE, info->fPrecision);
|
|
|
|
return handler->pad_and_justify(context, info, result, len);
|
|
}
|
|
|
|
static int32_t
|
|
u_printf_scientific_handler(const u_printf_stream_handler *handler,
|
|
void *context,
|
|
ULocaleBundle *formatBundle,
|
|
const u_printf_spec_info *info,
|
|
const ufmt_args *args)
|
|
{
|
|
double num = (double) (args[0].doubleValue);
|
|
UNumberFormat *format;
|
|
UChar result [UPRINTF_BUFFER_SIZE];
|
|
int32_t minDecimalDigits;
|
|
int32_t maxDecimalDigits;
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
UChar srcExpBuf[UPRINTF_SYMBOL_BUFFER_SIZE];
|
|
int32_t srcLen, expLen;
|
|
UChar expBuf[UPRINTF_SYMBOL_BUFFER_SIZE];
|
|
|
|
|
|
/* mask off any necessary bits */
|
|
/* if(! info->fIsLongDouble)
|
|
num &= DBL_MAX;*/
|
|
|
|
/* get the formatter */
|
|
format = u_locbund_getNumberFormat(formatBundle, UNUM_SCIENTIFIC);
|
|
|
|
/* handle error */
|
|
if(format == 0)
|
|
return 0;
|
|
|
|
/* set the appropriate flags on the formatter */
|
|
|
|
srcLen = unum_getSymbol(format,
|
|
UNUM_EXPONENTIAL_SYMBOL,
|
|
srcExpBuf,
|
|
sizeof(srcExpBuf),
|
|
&status);
|
|
|
|
/* Upper/lower case the e */
|
|
if (info->fSpec == (UChar)0x65 /* e */) {
|
|
expLen = u_strToLower(expBuf, (int32_t)sizeof(expBuf),
|
|
srcExpBuf, srcLen,
|
|
formatBundle->fLocale,
|
|
&status);
|
|
}
|
|
else {
|
|
expLen = u_strToUpper(expBuf, (int32_t)sizeof(expBuf),
|
|
srcExpBuf, srcLen,
|
|
formatBundle->fLocale,
|
|
&status);
|
|
}
|
|
|
|
unum_setSymbol(format,
|
|
UNUM_EXPONENTIAL_SYMBOL,
|
|
expBuf,
|
|
expLen,
|
|
&status);
|
|
|
|
/* save the formatter's state */
|
|
minDecimalDigits = unum_getAttribute(format, UNUM_MIN_FRACTION_DIGITS);
|
|
maxDecimalDigits = unum_getAttribute(format, UNUM_MAX_FRACTION_DIGITS);
|
|
|
|
/* set the appropriate flags and number of decimal digits on the formatter */
|
|
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 */
|
|
u_printf_set_sign(format, info, &status);
|
|
|
|
/* format the number */
|
|
unum_formatDouble(format, num, result, UPRINTF_BUFFER_SIZE, 0, &status);
|
|
|
|
/* restore the number format */
|
|
unum_setAttribute(format, UNUM_MIN_FRACTION_DIGITS, minDecimalDigits);
|
|
unum_setAttribute(format, UNUM_MAX_FRACTION_DIGITS, maxDecimalDigits);
|
|
|
|
/* Since we clone the fBundle and we're only using the scientific
|
|
format, we don't need to save the old exponent value. */
|
|
/*unum_setSymbol(format,
|
|
UNUM_EXPONENTIAL_SYMBOL,
|
|
srcExpBuf,
|
|
srcLen,
|
|
&status);*/
|
|
|
|
return handler->pad_and_justify(context, info, result, u_strlen(result));
|
|
}
|
|
|
|
static int32_t
|
|
u_printf_date_handler(const u_printf_stream_handler *handler,
|
|
void *context,
|
|
ULocaleBundle *formatBundle,
|
|
const u_printf_spec_info *info,
|
|
const ufmt_args *args)
|
|
{
|
|
UDate num = (UDate) (args[0].dateValue);
|
|
UDateFormat *format;
|
|
UChar result [UPRINTF_BUFFER_SIZE];
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
|
|
|
|
/* get the formatter */
|
|
format = u_locbund_getDateFormat(formatBundle);
|
|
|
|
/* handle error */
|
|
if(format == 0)
|
|
return 0;
|
|
|
|
/* format the date */
|
|
udat_format(format, num, result, UPRINTF_BUFFER_SIZE, 0, &status);
|
|
|
|
return handler->pad_and_justify(context, info, result, u_strlen(result));
|
|
}
|
|
|
|
static int32_t
|
|
u_printf_time_handler(const u_printf_stream_handler *handler,
|
|
void *context,
|
|
ULocaleBundle *formatBundle,
|
|
const u_printf_spec_info *info,
|
|
const ufmt_args *args)
|
|
{
|
|
UDate num = (UDate) (args[0].dateValue);
|
|
UDateFormat *format;
|
|
UChar result [UPRINTF_BUFFER_SIZE];
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
|
|
|
|
/* get the formatter */
|
|
format = u_locbund_getTimeFormat(formatBundle);
|
|
|
|
/* handle error */
|
|
if(format == 0)
|
|
return 0;
|
|
|
|
/* format the time */
|
|
udat_format(format, num, result, UPRINTF_BUFFER_SIZE, 0, &status);
|
|
|
|
return handler->pad_and_justify(context, info, result, u_strlen(result));
|
|
}
|
|
|
|
static int32_t
|
|
u_printf_percent_handler(const u_printf_stream_handler *handler,
|
|
void *context,
|
|
ULocaleBundle *formatBundle,
|
|
const u_printf_spec_info *info,
|
|
const ufmt_args *args)
|
|
{
|
|
double num = (double) (args[0].doubleValue);
|
|
UNumberFormat *format;
|
|
UChar result [UPRINTF_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(formatBundle, UNUM_PERCENT);
|
|
|
|
/* handle error */
|
|
if(format == 0)
|
|
return 0;
|
|
|
|
/* save the formatter's state */
|
|
minDecimalDigits = unum_getAttribute(format, UNUM_MIN_FRACTION_DIGITS);
|
|
maxDecimalDigits = unum_getAttribute(format, UNUM_MAX_FRACTION_DIGITS);
|
|
|
|
/* set the appropriate flags and number of decimal digits on the formatter */
|
|
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 */
|
|
u_printf_set_sign(format, info, &status);
|
|
|
|
/* format the number */
|
|
unum_formatDouble(format, num, result, UPRINTF_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 handler->pad_and_justify(context, info, result, u_strlen(result));
|
|
}
|
|
|
|
static int32_t
|
|
u_printf_currency_handler(const u_printf_stream_handler *handler,
|
|
void *context,
|
|
ULocaleBundle *formatBundle,
|
|
const u_printf_spec_info *info,
|
|
const ufmt_args *args)
|
|
{
|
|
double num = (double) (args[0].doubleValue);
|
|
UNumberFormat *format;
|
|
UChar result [UPRINTF_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(formatBundle, UNUM_CURRENCY);
|
|
|
|
/* handle error */
|
|
if(format == 0)
|
|
return 0;
|
|
|
|
/* save the formatter's state */
|
|
minDecimalDigits = unum_getAttribute(format, UNUM_MIN_FRACTION_DIGITS);
|
|
maxDecimalDigits = unum_getAttribute(format, UNUM_MAX_FRACTION_DIGITS);
|
|
|
|
/* set the appropriate flags and number of decimal digits on the formatter */
|
|
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, 2);
|
|
}
|
|
else {
|
|
/* # of decimal digits is 2 if precision not specified, 2 is typical */
|
|
unum_setAttribute(format, UNUM_FRACTION_DIGITS, 2);
|
|
}
|
|
|
|
/* set whether to show the sign */
|
|
u_printf_set_sign(format, info, &status);
|
|
|
|
/* format the number */
|
|
unum_formatDouble(format, num, result, UPRINTF_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 handler->pad_and_justify(context, info, result, u_strlen(result));
|
|
}
|
|
|
|
static int32_t
|
|
u_printf_ustring_handler(const u_printf_stream_handler *handler,
|
|
void *context,
|
|
ULocaleBundle *formatBundle,
|
|
const u_printf_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 */
|
|
if (arg == NULL) {
|
|
arg = gNullStr;
|
|
}
|
|
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 = handler->write(context, arg, info->fPrecision);
|
|
}
|
|
else {
|
|
/* determine if the string should be padded */
|
|
written = handler->pad_and_justify(context, info, arg, len);
|
|
}
|
|
|
|
return written;
|
|
}
|
|
|
|
static int32_t
|
|
u_printf_uchar_handler(const u_printf_stream_handler *handler,
|
|
void *context,
|
|
ULocaleBundle *formatBundle,
|
|
const u_printf_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 = handler->pad_and_justify(context, info, &arg, 1);
|
|
}
|
|
|
|
return written;
|
|
}
|
|
|
|
static int32_t
|
|
u_printf_scidbl_handler(const u_printf_stream_handler *handler,
|
|
void *context,
|
|
ULocaleBundle *formatBundle,
|
|
const u_printf_spec_info *info,
|
|
const ufmt_args *args)
|
|
{
|
|
u_printf_spec_info scidbl_info;
|
|
double num = args[0].doubleValue;
|
|
|
|
memcpy(&scidbl_info, info, sizeof(u_printf_spec_info));
|
|
|
|
/* determine whether to use 'd', 'e' or 'f' notation */
|
|
if (scidbl_info.fPrecision == -1 && num == uprv_trunc(num))
|
|
{
|
|
/* use 'f' notation */
|
|
scidbl_info.fSpec = 0x0066;
|
|
scidbl_info.fPrecision = 0;
|
|
/* call the double handler */
|
|
return u_printf_double_handler(handler, context, formatBundle, &scidbl_info, args);
|
|
}
|
|
else if(num < 0.0001 || (scidbl_info.fPrecision < 1 && 1000000.0 <= num)
|
|
|| (scidbl_info.fPrecision != -1 && num > uprv_pow10(scidbl_info.fPrecision)))
|
|
{
|
|
/* use 'e' or 'E' notation */
|
|
scidbl_info.fSpec = scidbl_info.fSpec - 2;
|
|
/* call the scientific handler */
|
|
return u_printf_scientific_handler(handler, context, formatBundle, &scidbl_info, args);
|
|
}
|
|
else {
|
|
/* use 'f' notation */
|
|
scidbl_info.fSpec = 0x0066;
|
|
/* call the double handler */
|
|
return u_printf_double_handler(handler, context, formatBundle, &scidbl_info, args);
|
|
}
|
|
}
|
|
|
|
static int32_t
|
|
u_printf_count_handler(const u_printf_stream_handler *handler,
|
|
void *context,
|
|
ULocaleBundle *formatBundle,
|
|
const u_printf_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;
|
|
}
|
|
|
|
static int32_t
|
|
u_printf_spellout_handler(const u_printf_stream_handler *handler,
|
|
void *context,
|
|
ULocaleBundle *formatBundle,
|
|
const u_printf_spec_info *info,
|
|
const ufmt_args *args)
|
|
{
|
|
double num = (double) (args[0].doubleValue);
|
|
UNumberFormat *format;
|
|
UChar result [UPRINTF_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(formatBundle, UNUM_SPELLOUT);
|
|
|
|
/* handle error */
|
|
if(format == 0)
|
|
return 0;
|
|
|
|
/* save the formatter's state */
|
|
minDecimalDigits = unum_getAttribute(format, UNUM_MIN_FRACTION_DIGITS);
|
|
maxDecimalDigits = unum_getAttribute(format, UNUM_MAX_FRACTION_DIGITS);
|
|
|
|
/* set the appropriate flags and number of decimal digits on the formatter */
|
|
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 */
|
|
u_printf_set_sign(format, info, &status);
|
|
|
|
/* format the number */
|
|
unum_formatDouble(format, num, result, UPRINTF_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 handler->pad_and_justify(context, info, result, u_strlen(result));
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
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;
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
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;
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
|
|
u_vsprintf(UChar *buffer,
|
|
const char *locale,
|
|
const char *patternSpecification,
|
|
va_list ap)
|
|
{
|
|
return u_vsnprintf(buffer, INT32_MAX, locale, patternSpecification, ap);
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
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;
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
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;
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
|
|
u_vsnprintf(UChar *buffer,
|
|
int32_t count,
|
|
const char *locale,
|
|
const char *patternSpecification,
|
|
va_list ap)
|
|
{
|
|
int32_t written;
|
|
UChar *pattern;
|
|
UChar patBuffer[UFMT_DEFAULT_BUFFER_SIZE];
|
|
int32_t size = (int32_t)strlen(patternSpecification) + 1;
|
|
|
|
/* convert from the default codepage to Unicode */
|
|
if (size >= MAX_UCHAR_BUFFER_SIZE(patBuffer)) {
|
|
pattern = (UChar *)uprv_malloc(size * sizeof(UChar));
|
|
if(pattern == 0) {
|
|
return 0;
|
|
}
|
|
}
|
|
else {
|
|
pattern = patBuffer;
|
|
}
|
|
u_charsToUChars(patternSpecification, pattern, size);
|
|
|
|
/* do the work */
|
|
written = u_vsnprintf_u(buffer, count, locale, pattern, ap);
|
|
|
|
/* clean up */
|
|
if (pattern != patBuffer) {
|
|
uprv_free(pattern);
|
|
}
|
|
|
|
return written;
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
u_vsprintf_u(UChar *buffer,
|
|
const char *locale,
|
|
const UChar *patternSpecification,
|
|
va_list ap)
|
|
{
|
|
return u_vsnprintf_u(buffer, INT32_MAX, locale, patternSpecification, ap);
|
|
}
|
|
|
|
/* 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_printf_info g_u_printf_infos[UPRINTF_NUM_FMT_HANDLERS] = {
|
|
/* 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,
|
|
};
|
|
|
|
static const u_printf_stream_handler g_sprintf_stream_handler = {
|
|
u_sprintf_write,
|
|
u_sprintf_pad_and_justify
|
|
};
|
|
|
|
U_CAPI int32_t U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
|
|
u_vsnprintf_u(UChar *buffer,
|
|
int32_t count,
|
|
const char *locale,
|
|
const UChar *patternSpecification,
|
|
va_list ap)
|
|
{
|
|
const UChar *alias = patternSpecification; /* alias the pattern */
|
|
const UChar *lastAlias;
|
|
int32_t patCount;
|
|
int32_t written = 0; /* haven't written anything yet */
|
|
uint16_t handlerNum;
|
|
|
|
ufmt_args args;
|
|
u_localized_string outStr;
|
|
u_printf_spec spec;
|
|
ufmt_type_info info;
|
|
u_printf_handler *handler;
|
|
|
|
if (count < 0) {
|
|
count = INT32_MAX;
|
|
}
|
|
|
|
outStr.str = buffer;
|
|
outStr.len = count;
|
|
outStr.available = count;
|
|
|
|
if(u_locbund_init(&outStr.fBundle, locale) == 0) {
|
|
return 0;
|
|
}
|
|
|
|
/* 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 += (*g_sprintf_stream_handler.write)(&outStr, lastAlias, (int32_t)(alias - lastAlias));
|
|
}
|
|
|
|
/* break if at end of string */
|
|
if(*alias == 0x0000) {
|
|
break;
|
|
}
|
|
|
|
/* parse the specifier */
|
|
patCount = u_printf_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 - UPRINTF_BASE_FMT_HANDLERS);
|
|
if (handlerNum < UPRINTF_NUM_FMT_HANDLERS) {
|
|
/* query the info function for argument information */
|
|
info = g_u_printf_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_printf_infos[ handlerNum ].handler;
|
|
if(handler != 0) {
|
|
written += (*handler)(&g_sprintf_stream_handler, &outStr, &outStr.fBundle, &spec.fInfo, &args);
|
|
}
|
|
else {
|
|
/* just echo unknown tags */
|
|
written += (*g_sprintf_stream_handler.write)(&outStr, lastAlias, (int32_t)(alias - lastAlias));
|
|
}
|
|
}
|
|
else {
|
|
/* just echo unknown tags */
|
|
written += (*g_sprintf_stream_handler.write)(&outStr, lastAlias, (int32_t)(alias - lastAlias));
|
|
}
|
|
|
|
/* update the pointer in pattern and continue */
|
|
alias += patCount;
|
|
}
|
|
|
|
/* Terminate the buffer, if there's room. */
|
|
if (outStr.available > 0) {
|
|
buffer[outStr.len - outStr.available] = 0x0000;
|
|
}
|
|
|
|
/* Release the cloned bundle, if we cloned it. */
|
|
u_locbund_close(&outStr.fBundle);
|
|
|
|
/* return # of UChars written */
|
|
return written;
|
|
}
|
|
|
|
#endif /* #if !UCONFIG_NO_FORMATTING */
|
|
|