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scuffed-code/icu4c/source/extra/ustdio/uprintf.c

1738 lines
46 KiB
C
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Initial revision X-SVN-Rev: 2
1999-08-16 21:50:52 +00:00
/*
*******************************************************************************
* *
* COPYRIGHT: *
* (C) Copyright International Business Machines Corporation, 1998 *
* Licensed Material - Program-Property of IBM - All Rights Reserved. *
* US Government Users Restricted Rights - Use, duplication, or disclosure *
* restricted by GSA ADP Schedule Contract with IBM Corp. *
* *
*******************************************************************************
*
* File uprintf.c
*
* Modification History:
*
* Date Name Description
* 11/19/98 stephen Creation.
* 03/12/99 stephen Modified for new C API.
* Added conversion from default codepage.
*******************************************************************************
*/
#include "uprintf.h"
#include "uprntf_p.h"
#include "ustdio.h"
#include "ufile.h"
#include "ustring.h"
#include "locbund.h"
#include "umutex.h"
#include "unum.h"
#include "udat.h"
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include <float.h>
#include <limits.h>
#include <wchar.h>
u_printf_handler g_u_printf_handlers [256];
u_printf_info g_u_printf_infos [256];
bool_t g_u_printf_inited = FALSE;
/* buffer size for formatting */
#define UFPRINTF_BUFFER_SIZE 1024
int32_t
u_fprintf( UFILE *f,
const char *patternSpecification,
... )
{
va_list ap;
int32_t count;
va_start(ap, patternSpecification);
count = u_vfprintf(f, patternSpecification, ap);
va_end(ap);
return count;
}
int32_t
u_fprintf_u( UFILE *f,
const UChar *patternSpecification,
... )
{
va_list ap;
int32_t count;
va_start(ap, patternSpecification);
count = u_vfprintf_u(f, patternSpecification, ap);
va_end(ap);
return count;
}
int32_t
u_vfprintf( UFILE *f,
const char *patternSpecification,
va_list ap)
{
int32_t count;
UChar *pattern;
/* convert from the default codepage to Unicode */
pattern = ufmt_defaultCPToUnicode(patternSpecification,
strlen(patternSpecification));
if(pattern == 0) {
return 0;
}
/* do the work */
count = u_vfprintf_u(f, pattern, ap);
/* clean up */
free(pattern);
return count;
}
int32_t
u_printf_register_handler(UChar spec,
u_printf_info info,
u_printf_handler handler)
{
/* lock the cache */
umtx_lock(0);
/* add to our list of function pointers */
g_u_printf_infos[ (unsigned char) spec ] = info;
g_u_printf_handlers[ (unsigned char) spec ] = handler;
/* unlock the cache */
umtx_unlock(0);
return 0;
}
/* handle a '%' */
int32_t
u_printf_simple_percent_info(const u_printf_spec_info *info,
int32_t *argtypes,
int32_t n)
{
/* we don't need any arguments */
return 0;
}
int32_t
u_printf_simple_percent_handler(UFILE *stream,
const u_printf_spec_info *info,
const ufmt_args *args)
{
/* put a single '%' on the stream */
u_fputc(0x0025, stream);
/* we wrote one character */
return 1;
}
/* handle 's' */
int32_t
u_printf_string_info(const u_printf_spec_info *info,
int32_t *argtypes,
int32_t n)
{
/* handle error */
if(n < 1)
return 0;
/* we need 1 argument of type string */
argtypes[0] = ufmt_string;
return 1;
}
int32_t
u_printf_string_handler(UFILE *stream,
const u_printf_spec_info *info,
const ufmt_args *args)
{
UChar *s;
int32_t len, written, i;
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_file_write(s, info->fPrecision, stream);
}
/* determine if the string should be padded */
else if(info->fWidth != -1 && len < info->fWidth) {
/* left justify */
if(info->fLeft) {
written = u_file_write(s, len, stream);
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
}
/* right justify */
else {
written = 0;
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
written += u_file_write(s, len, stream);
}
}
/* just write the string */
else
written = u_file_write(s, len, stream);
/* clean up */
free(s);
return written;
}
int32_t
u_printf_integer_info(const u_printf_spec_info *info,
int32_t *argtypes,
int32_t n)
{
/* handle error */
if(n < 1)
return 0;
/* we need 1 argument of type int */
argtypes[0] = ufmt_int;
return 1;
}
/* HSYS */
int32_t
u_printf_integer_handler(UFILE *stream,
const u_printf_spec_info *info,
const ufmt_args *args)
{
int32_t written = 0;
int32_t len;
long num = (long) (args[0].intValue);
UNumberFormat *format;
UChar result [UFPRINTF_BUFFER_SIZE];
int32_t i, minDigits = -1;
ICU-6 change enum constants that do not conform to our naming conventions X-SVN-Rev: 18
1999-10-07 00:07:53 +00:00
UErrorCode status = U_ZERO_ERROR;
Initial revision X-SVN-Rev: 2
1999-08-16 21:50:52 +00:00
/* mask off any necessary bits */
if(info->fIsShort)
num &= SHRT_MAX;
else if(! info->fIsLong || ! info->fIsLongLong)
num &= INT_MAX;
/* get the formatter */
format = u_locbund_getNumberFormat(stream->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(! stream->fOwnBundle) {
stream->fBundle = u_locbund_clone(stream->fBundle);
stream->fOwnBundle = TRUE;
format = u_locbund_getNumberFormat(stream->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(! stream->fOwnBundle) {
stream->fBundle = u_locbund_clone(stream->fBundle);
stream->fOwnBundle = TRUE;
format = u_locbund_getNumberFormat(stream->fBundle);
}
/* set whether to show the sign*/
/* {sfb} TBD */
}
/* format the number */
unum_format(format, num, result, UFPRINTF_BUFFER_SIZE, 0, &status);
len = u_strlen(result);
/* pad and justify, if needed */
if(info->fWidth != -1 && len < info->fWidth) {
/* left justify */
if(info->fLeft) {
written = u_file_write(result, len, stream);
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
}
/* right justify */
else {
written = 0;
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
written += u_file_write(result, len, stream);
}
}
/* just write the formatted output */
else
written = u_file_write(result, len, stream);
/* restore the number format */
if(minDigits != -1)
unum_setAttribute(format, UNUM_MIN_INTEGER_DIGITS, minDigits);
return written;
}
int32_t
u_printf_hex_info(const u_printf_spec_info *info,
int32_t *argtypes,
int32_t n)
{
/* handle error */
if(n < 1)
return 0;
/* we need 1 argument of type int */
argtypes[0] = ufmt_int;
return 1;
}
int32_t
u_printf_hex_handler(UFILE *stream,
const u_printf_spec_info *info,
const ufmt_args *args)
{
int32_t written = 0;
long num = (long) (args[0].intValue);
int32_t i;
UChar result [UFPRINTF_BUFFER_SIZE];
int32_t len = UFPRINTF_BUFFER_SIZE;
/* mask off any necessary bits */
if(info->fIsShort)
num &= SHRT_MAX;
else if(! info->fIsLong || ! info->fIsLongLong)
num &= INT_MAX;
/* format the number, preserving the minimum # of digits */
ufmt_ltou(result, &len, num, 16,
(bool_t)(info->fSpec == 0x0078),
(info->fPrecision == -1 && info->fZero) ? info->fWidth : info->fPrecision);
/* convert to alt form, if desired */
if(num != 0 && info->fAlt && len < UFPRINTF_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;
}
/* pad and justify, if needed */
if(info->fWidth != -1 && len < info->fWidth) {
/* left justify */
if(info->fLeft) {
written = u_file_write(result, len, stream);
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
}
/* right justify */
else {
written = 0;
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
written += u_file_write(result, len, stream);
}
}
/* just write the formatted output */
else
written = u_file_write(result, len, stream);
return written;
}
int32_t
u_printf_octal_info(const u_printf_spec_info *info,
int32_t *argtypes,
int32_t n)
{
/* handle error */
if(n < 1)
return 0;
/* we need 1 argument of type int */
argtypes[0] = ufmt_int;
return 1;
}
int32_t
u_printf_octal_handler(UFILE *stream,
const u_printf_spec_info *info,
const ufmt_args *args)
{
int32_t written = 0;
long num = (long) (args[0].intValue);
int32_t i;
UChar result [UFPRINTF_BUFFER_SIZE];
int32_t len = UFPRINTF_BUFFER_SIZE;
/* mask off any necessary bits */
if(info->fIsShort)
num &= SHRT_MAX;
else if(! info->fIsLong || ! info->fIsLongLong)
num &= INT_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 < UFPRINTF_BUFFER_SIZE - 1) {
/* shift the formatted string right by 1 char */
memmove(result + 1, result, len * sizeof(UChar));
result[0] = 0x0030;
len += 1;
}
/* pad and justify, if needed */
if(info->fWidth != -1 && len < info->fWidth) {
/* left justify */
if(info->fLeft) {
written = u_file_write(result, len, stream);
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
}
/* right justify */
else {
written = 0;
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
written += u_file_write(result, len, stream);
}
}
/* just write the formatted output */
else
written = u_file_write(result, len, stream);
return written;
}
int32_t
u_printf_double_info(const u_printf_spec_info *info,
int32_t *argtypes,
int32_t n)
{
/* handle error */
if(n < 1)
return 0;
/* we need 1 argument of type double */
argtypes[0] = ufmt_double;
return 1;
}
int32_t
u_printf_double_handler(UFILE *stream,
const u_printf_spec_info *info,
const ufmt_args *args)
{
int32_t written = 0;
int32_t len;
double num = (double) (args[0].doubleValue);
UNumberFormat *format;
UChar result [UFPRINTF_BUFFER_SIZE];
int32_t i, minDecimalDigits;
int32_t maxDecimalDigits;
ICU-6 change enum constants that do not conform to our naming conventions X-SVN-Rev: 18
1999-10-07 00:07:53 +00:00
UErrorCode status = U_ZERO_ERROR;
Initial revision X-SVN-Rev: 2
1999-08-16 21:50:52 +00:00
/* mask off any necessary bits */
/* if(! info->fIsLongDouble)
num &= DBL_MAX;*/
/* get the formatter */
format = u_locbund_getNumberFormat(stream->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(! stream->fOwnBundle) {
stream->fBundle = u_locbund_clone(stream->fBundle);
stream->fOwnBundle = TRUE;
format = u_locbund_getNumberFormat(stream->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} TBD */
}
/* format the number */
unum_formatDouble(format, num, result, UFPRINTF_BUFFER_SIZE, 0, &status);
len = u_strlen(result);
/* pad and justify, if needed */
if(info->fWidth != -1 && len < info->fWidth) {
/* left justify */
if(info->fLeft) {
written = u_file_write(result, len, stream);
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
}
/* right justify */
else {
written = 0;
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
written += u_file_write(result, len, stream);
}
}
/* just write the formatted output */
else
written = u_file_write(result, len, stream);
/* restore the number format */
unum_setAttribute(format, UNUM_MIN_FRACTION_DIGITS, minDecimalDigits);
unum_setAttribute(format, UNUM_MAX_FRACTION_DIGITS, maxDecimalDigits);
return written;
}
int32_t
u_printf_char_info(const u_printf_spec_info *info,
int32_t *argtypes,
int32_t n)
{
/* handle error */
if(n < 1)
return 0;
/* we need 1 argument of type char */
argtypes[0] = ufmt_char;
return 1;
}
int32_t
u_printf_char_handler(UFILE *stream,
const u_printf_spec_info *info,
const ufmt_args *args)
{
UChar *s;
int32_t len, written = 0, i;
unsigned char arg = (unsigned char)(args[0].intValue);
/* convert from default codepage to Unicode */
s = ufmt_defaultCPToUnicode(&arg, 1);
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_file_write(s, info->fPrecision, stream);
}
/* determine if the string should be padded */
else if(info->fWidth != -1 && len < info->fWidth) {
/* left justify */
if(info->fLeft) {
written = u_file_write(s, len, stream);
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
}
/* right justify */
else {
written = 0;
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
written += u_file_write(s, len, stream);
}
}
/* just write the string */
else
written = u_file_write(s, len, stream);
/* clean up */
free(s);
return written;
}
int32_t
u_printf_pointer_info(const u_printf_spec_info *info,
int32_t *argtypes,
int32_t n)
{
/* handle error */
if(n < 1)
return 0;
/* we need 1 argument of type void* */
argtypes[0] = ufmt_pointer;
return 1;
}
int32_t
u_printf_pointer_handler(UFILE *stream,
const u_printf_spec_info *info,
const ufmt_args *args)
{
int32_t written = 0;
long num = (long) (args[0].intValue);
int32_t i;
UChar result [UFPRINTF_BUFFER_SIZE];
int32_t len = UFPRINTF_BUFFER_SIZE;
/* format the pointer in hex */
ufmt_ltou(result, &len, num, 16, TRUE, info->fPrecision);
/* pad and justify, if needed */
if(info->fWidth != -1 && len < info->fWidth) {
/* left justify */
if(info->fLeft) {
written = u_file_write(result, len, stream);
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
}
/* right justify */
else {
written = 0;
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
written += u_file_write(result, len, stream);
}
}
/* just write the formatted output */
else
written = u_file_write(result, len, stream);
return written;
}
int32_t
u_printf_scientific_info(const u_printf_spec_info *info,
int32_t *argtypes,
int32_t n)
{
/* handle error */
if(n < 1)
return 0;
/* we need 1 argument of type double */
argtypes[0] = ufmt_double;
return 1;
}
int32_t
u_printf_scientific_handler(UFILE *stream,
const u_printf_spec_info *info,
const ufmt_args *args)
{
int32_t written = 0;
int32_t len;
double num = (double) (args[0].doubleValue);
UNumberFormat *format;
UChar result [UFPRINTF_BUFFER_SIZE];
int32_t i, minDecimalDigits;
int32_t maxDecimalDigits;
ICU-6 change enum constants that do not conform to our naming conventions X-SVN-Rev: 18
1999-10-07 00:07:53 +00:00
UErrorCode status = U_ZERO_ERROR;
Initial revision X-SVN-Rev: 2
1999-08-16 21:50:52 +00:00
/* mask off any necessary bits */
/* if(! info->fIsLongDouble)
num &= DBL_MAX;*/
/* get the formatter */
format = u_locbund_getScientificFormat(stream->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(! stream->fOwnBundle) {
stream->fBundle = u_locbund_clone(stream->fBundle);
stream->fOwnBundle = TRUE;
format = u_locbund_getScientificFormat(stream->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} TBD */
}
/* format the number */
unum_formatDouble(format, num, result, UFPRINTF_BUFFER_SIZE, 0, &status);
len = u_strlen(result);
/* pad and justify, if needed */
if(info->fWidth != -1 && len < info->fWidth) {
/* left justify */
if(info->fLeft) {
written = u_file_write(result, len, stream);
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
}
/* right justify */
else {
written = 0;
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
written += u_file_write(result, len, stream);
}
}
/* just write the formatted output */
else
written = u_file_write(result, len, stream);
/* restore the number format */
unum_setAttribute(format, UNUM_MIN_FRACTION_DIGITS, minDecimalDigits);
unum_setAttribute(format, UNUM_MAX_FRACTION_DIGITS, maxDecimalDigits);
return written;
}
int32_t
u_printf_date_info(const u_printf_spec_info *info,
int32_t *argtypes,
int32_t n)
{
/* handle error */
if(n < 1)
return 0;
/* we need 1 argument of type Date */
argtypes[0] = ufmt_date;
return 1;
}
int32_t
u_printf_date_handler(UFILE *stream,
const u_printf_spec_info *info,
const ufmt_args *args)
{
int32_t written = 0;
int32_t len;
UDate num = (UDate) (args[0].dateValue);
UDateFormat *format;
UChar result [UFPRINTF_BUFFER_SIZE];
int32_t i;
ICU-6 change enum constants that do not conform to our naming conventions X-SVN-Rev: 18
1999-10-07 00:07:53 +00:00
UErrorCode status = U_ZERO_ERROR;
Initial revision X-SVN-Rev: 2
1999-08-16 21:50:52 +00:00
/* get the formatter */
format = u_locbund_getDateFormat(stream->fBundle);
/* handle error */
if(format == 0)
return 0;
/* format the date */
udat_format(format, num, result, UFPRINTF_BUFFER_SIZE, 0, &status);
len = u_strlen(result);
/* pad and justify, if needed */
if(info->fWidth != -1 && len < info->fWidth) {
/* left justify */
if(info->fLeft) {
written = u_file_write(result, len, stream);
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
}
/* right justify */
else {
written = 0;
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
written += u_file_write(result, len, stream);
}
}
/* just write the formatted output */
else
written = u_file_write(result, len, stream);
return written;
}
int32_t
u_printf_time_info(const u_printf_spec_info *info,
int32_t *argtypes,
int32_t n)
{
/* handle error */
if(n < 1)
return 0;
/* we need 1 argument of type date */
argtypes[0] = ufmt_date;
return 1;
}
int32_t
u_printf_time_handler(UFILE *stream,
const u_printf_spec_info *info,
const ufmt_args *args)
{
int32_t written = 0;
int32_t len;
UDate num = (UDate) (args[0].dateValue);
UDateFormat *format;
UChar result [UFPRINTF_BUFFER_SIZE];
int32_t i;
ICU-6 change enum constants that do not conform to our naming conventions X-SVN-Rev: 18
1999-10-07 00:07:53 +00:00
UErrorCode status = U_ZERO_ERROR;
Initial revision X-SVN-Rev: 2
1999-08-16 21:50:52 +00:00
/* get the formatter */
format = u_locbund_getTimeFormat(stream->fBundle);
/* handle error */
if(format == 0)
return 0;
/* format the time */
udat_format(format, num, result, UFPRINTF_BUFFER_SIZE, 0, &status);
len = u_strlen(result);
/* pad and justify, if needed */
if(info->fWidth != -1 && len < info->fWidth) {
/* left justify */
if(info->fLeft) {
written = u_file_write(result, len, stream);
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
}
/* right justify */
else {
written = 0;
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
written += u_file_write(result, len, stream);
}
}
/* just write the formatted output */
else
written = u_file_write(result, len, stream);
return written;
}
int32_t
u_printf_percent_info(const u_printf_spec_info *info,
int32_t *argtypes,
int32_t n)
{
/* handle error */
if(n < 1)
return 0;
/* we need 1 argument of type double */
argtypes[0] = ufmt_double;
return 1;
}
int32_t
u_printf_percent_handler(UFILE *stream,
const u_printf_spec_info *info,
const ufmt_args *args)
{
int32_t written = 0;
int32_t len;
double num = (double) (args[0].doubleValue);
UNumberFormat *format;
UChar result [UFPRINTF_BUFFER_SIZE];
int32_t i, minDecimalDigits;
int32_t maxDecimalDigits;
ICU-6 change enum constants that do not conform to our naming conventions X-SVN-Rev: 18
1999-10-07 00:07:53 +00:00
UErrorCode status = U_ZERO_ERROR;
Initial revision X-SVN-Rev: 2
1999-08-16 21:50:52 +00:00
/* mask off any necessary bits */
/* if(! info->fIsLongDouble)
num &= DBL_MAX;*/
/* get the formatter */
format = u_locbund_getPercentFormat(stream->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(! stream->fOwnBundle) {
stream->fBundle = u_locbund_clone(stream->fBundle);
stream->fOwnBundle = TRUE;
format = u_locbund_getPercentFormat(stream->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} TBD */
}
/* format the number */
unum_formatDouble(format, num, result, UFPRINTF_BUFFER_SIZE, 0, &status);
len = u_strlen(result);
/* pad and justify, if needed */
if(info->fWidth != -1 && len < info->fWidth) {
/* left justify */
if(info->fLeft) {
written = u_file_write(result, len, stream);
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
}
/* right justify */
else {
written = 0;
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
written += u_file_write(result, len, stream);
}
}
/* just write the formatted output */
else
written = u_file_write(result, len, stream);
/* restore the number format */
unum_setAttribute(format, UNUM_MIN_FRACTION_DIGITS, minDecimalDigits);
unum_setAttribute(format, UNUM_MAX_FRACTION_DIGITS, maxDecimalDigits);
return written;
}
int32_t
u_printf_currency_info(const u_printf_spec_info *info,
int32_t *argtypes,
int32_t n)
{
/* handle error */
if(n < 1)
return 0;
/* we need 1 argument of type double */
argtypes[0] = ufmt_double;
return 1;
}
int32_t
u_printf_currency_handler(UFILE *stream,
const u_printf_spec_info *info,
const ufmt_args *args)
{
int32_t written = 0;
int32_t len;
double num = (double) (args[0].doubleValue);
UNumberFormat *format;
UChar result [UFPRINTF_BUFFER_SIZE];
int32_t i, minDecimalDigits;
int32_t maxDecimalDigits;
ICU-6 change enum constants that do not conform to our naming conventions X-SVN-Rev: 18
1999-10-07 00:07:53 +00:00
UErrorCode status = U_ZERO_ERROR;
Initial revision X-SVN-Rev: 2
1999-08-16 21:50:52 +00:00
/* mask off any necessary bits */
/* if(! info->fIsLongDouble)
num &= DBL_MAX;*/
/* get the formatter */
format = u_locbund_getCurrencyFormat(stream->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(! stream->fOwnBundle) {
stream->fBundle = u_locbund_clone(stream->fBundle);
stream->fOwnBundle = TRUE;
format = u_locbund_getCurrencyFormat(stream->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} TBD */
}
/* format the number */
unum_formatDouble(format, num, result, UFPRINTF_BUFFER_SIZE, 0, &status);
len = u_strlen(result);
/* pad and justify, if needed */
if(info->fWidth != -1 && len < info->fWidth) {
/* left justify */
if(info->fLeft) {
written = u_file_write(result, len, stream);
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
}
/* right justify */
else {
written = 0;
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
written += u_file_write(result, len, stream);
}
}
/* just write the formatted output */
else
written = u_file_write(result, len, stream);
/* restore the number format */
unum_setAttribute(format, UNUM_MIN_FRACTION_DIGITS, minDecimalDigits);
unum_setAttribute(format, UNUM_MAX_FRACTION_DIGITS, maxDecimalDigits);
return written;
}
int32_t
u_printf_ustring_info(const u_printf_spec_info *info,
int32_t *argtypes,
int32_t n)
{
/* handle error */
if(n < 1)
return 0;
/* we need 1 argument of type ustring */
argtypes[0] = ufmt_ustring;
return 1;
}
int32_t
u_printf_ustring_handler(UFILE *stream,
const u_printf_spec_info *info,
const ufmt_args *args)
{
int32_t len, written, i;
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_file_write(arg, info->fPrecision, stream);
}
/* determine if the string should be padded */
else if(info->fWidth != -1 && len < info->fWidth) {
/* left justify */
if(info->fLeft) {
written = u_file_write(arg, len, stream);
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
}
/* right justify */
else {
written = 0;
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
written += u_file_write(arg, len, stream);
}
}
/* just write the string */
else
written = u_file_write(arg, len, stream);
return written;
}
int32_t
u_printf_uchar_info(const u_printf_spec_info *info,
int32_t *argtypes,
int32_t n)
{
/* handle error */
if(n < 1)
return 0;
/* we need 1 argument of type uchar */
argtypes[0] = ufmt_uchar;
return 1;
}
int32_t
u_printf_uchar_handler(UFILE *stream,
const u_printf_spec_info *info,
const ufmt_args *args)
{
int32_t written = 0, i;
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;
}
/* determine if the character should be padded */
else if(info->fWidth != -1 && info->fWidth > 1) {
/* left justify */
if(info->fLeft) {
written = u_file_write(&arg, 1, stream);
for(i = 0; i < info->fWidth - 1; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
}
/* right justify */
else {
written = 0;
for(i = 0; i < info->fWidth - 1; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
written += u_file_write(&arg, 1, stream);
}
}
/* just write the character */
else
written = u_file_write(&arg, 1, stream);
return written;
}
int32_t
u_printf_scidbl_info(const u_printf_spec_info *info,
int32_t *argtypes,
int32_t n)
{
/* handle error */
if(n < 1)
return 0;
/* we need 1 argument of type double */
argtypes[0] = ufmt_double;
return 1;
}
int32_t
u_printf_scidbl_handler(UFILE *stream,
const u_printf_spec_info *info,
const ufmt_args *args)
{
double num = (double)(args[0].doubleValue);
bool_t useE;
/* a precision of 0 is taken as 1 */
if(info->fPrecision == 0)
((u_printf_spec_info*)info)->fPrecision = 1;
/* determine whether to use 'e' or 'f' */
useE = (num < 0.0001 || (info->fPrecision != -1 && num > pow(10.0, info->fPrecision)));
/* use 'e' */
if(useE) {
/* adjust the specifier */
((u_printf_spec_info*)info)->fSpec = 0x0065;
/* call the scientific handler */
return u_printf_scientific_handler(stream, info, args);
}
/* use 'f' */
else {
/* adjust the specifier */
((u_printf_spec_info*)info)->fSpec = 0x0066;
/* call the double handler */
return u_printf_double_handler(stream, info, args);
}
}
int32_t
u_printf_count_info(const u_printf_spec_info *info,
int32_t *argtypes,
int32_t n)
{
/* handle error */
if(n < 1)
return 0;
/* we need 1 argument of type count */
argtypes[0] = ufmt_count;
return 1;
}
int32_t
u_printf_count_handler(UFILE *stream,
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;
}
int32_t
u_printf_spellout_info(const u_printf_spec_info *info,
int32_t *argtypes,
int32_t n)
{
/* handle error */
if(n < 1)
return 0;
/* we need 1 argument of type double */
argtypes[0] = ufmt_double;
return 1;
}
int32_t
u_printf_spellout_handler(UFILE *stream,
const u_printf_spec_info *info,
const ufmt_args *args)
{
int32_t written = 0;
int32_t len;
double num = (double) (args[0].doubleValue);
UNumberFormat *format;
UChar result [UFPRINTF_BUFFER_SIZE];
int32_t i, minDecimalDigits;
int32_t maxDecimalDigits;
ICU-6 change enum constants that do not conform to our naming conventions X-SVN-Rev: 18
1999-10-07 00:07:53 +00:00
UErrorCode status = U_ZERO_ERROR;
Initial revision X-SVN-Rev: 2
1999-08-16 21:50:52 +00:00
/* mask off any necessary bits */
/* if(! info->fIsLongDouble)
num &= DBL_MAX;*/
/* get the formatter */
format = u_locbund_getSpelloutFormat(stream->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(! stream->fOwnBundle) {
stream->fBundle = u_locbund_clone(stream->fBundle);
stream->fOwnBundle = TRUE;
format = u_locbund_getSpelloutFormat(stream->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} TBD */
}
/* format the number */
unum_formatDouble(format, num, result, UFPRINTF_BUFFER_SIZE, 0, &status);
len = u_strlen(result);
/* pad and justify, if needed */
if(info->fWidth != -1 && len < info->fWidth) {
/* left justify */
if(info->fLeft) {
written = u_file_write(result, len, stream);
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
}
/* right justify */
else {
written = 0;
for(i = 0; i < info->fWidth - len; ++i)
written += u_file_write(&info->fPadChar, 1, stream);
written += u_file_write(result, len, stream);
}
}
/* just write the formatted output */
else
written = u_file_write(result, len, stream);
/* restore the number format */
unum_setAttribute(format, UNUM_MIN_FRACTION_DIGITS, minDecimalDigits);
unum_setAttribute(format, UNUM_MAX_FRACTION_DIGITS, maxDecimalDigits);
return written;
}
void
u_printf_init()
{
int32_t i;
/*Mutex *lock;*/
/* if we're already inited, do nothing */
if(g_u_printf_inited)
return;
/* lock the cache */
umtx_lock(0);
/* if we're already inited, do nothing */
if(g_u_printf_inited) {
umtx_unlock(0);
return;
}
/* initialize all handlers and infos to 0 */
for(i = 0; i < 256; ++i) {
g_u_printf_infos[i] = 0;
g_u_printf_handlers[i] = 0;
}
/* register the handlers for standard specifiers */
/* don't use u_printf_register_handler to avoid mutex creation */
/* handle '%' */
g_u_printf_infos[ 0x0025 ] = u_printf_simple_percent_info;
g_u_printf_handlers[ 0x0025 ] = u_printf_simple_percent_handler;
/* handle 's' */
g_u_printf_infos[ 0x0073 ] = u_printf_string_info;
g_u_printf_handlers[ 0x0073 ] = u_printf_string_handler;
/* handle 'd' */
g_u_printf_infos[ 0x0064 ] = u_printf_integer_info;
g_u_printf_handlers[ 0x0064 ] = u_printf_integer_handler;
/* handle 'i' */
g_u_printf_infos[ 0x0069 ] = u_printf_integer_info;
g_u_printf_handlers[ 0x0069 ] = u_printf_integer_handler;
/* handle 'o' */
g_u_printf_infos[ 0x006F ] = u_printf_octal_info;
g_u_printf_handlers[ 0x006F ] = u_printf_octal_handler;
/* handle 'u' */
g_u_printf_infos[ 0x0075 ] = u_printf_integer_info;
g_u_printf_handlers[ 0x0075 ] = u_printf_integer_handler;
/* handle 'x' */
g_u_printf_infos[ 0x0078 ] = u_printf_hex_info;
g_u_printf_handlers[ 0x0078 ] = u_printf_hex_handler;
/* handle 'X' */
g_u_printf_infos[ 0x0058 ] = u_printf_hex_info;
g_u_printf_handlers[ 0x0058 ] = u_printf_hex_handler;
/* handle 'f' */
g_u_printf_infos[ 0x0066 ] = u_printf_double_info;
g_u_printf_handlers[ 0x0066 ] = u_printf_double_handler;
/* handle 'c' */
g_u_printf_infos[ 0x0063 ] = u_printf_char_info;
g_u_printf_handlers[ 0x0063 ] = u_printf_char_handler;
/* handle 'p' */
g_u_printf_infos[ 0x0070 ] = u_printf_pointer_info;
g_u_printf_handlers[ 0x0070 ] = u_printf_pointer_handler;
/* handle 'e' */
g_u_printf_infos[ 0x0065 ] = u_printf_scientific_info;
g_u_printf_handlers[ 0x0065 ] = u_printf_scientific_handler;
/* handle 'E' */
g_u_printf_infos[ 0x0045 ] = u_printf_scientific_info;
g_u_printf_handlers[ 0x0045 ] = u_printf_scientific_handler;
/* handle 'D' */
g_u_printf_infos[ 0x0044 ] = u_printf_date_info;
g_u_printf_handlers[ 0x0044 ] = u_printf_date_handler;
/* handle 'P' */
g_u_printf_infos[ 0x0050 ] = u_printf_percent_info;
g_u_printf_handlers[ 0x0050 ] = u_printf_percent_handler;
/* handle 'M' */
g_u_printf_infos[ 0x004D ] = u_printf_currency_info;
g_u_printf_handlers[ 0x004D ] = u_printf_currency_handler;
/* handle 'T' */
g_u_printf_infos[ 0x0054 ] = u_printf_time_info;
g_u_printf_handlers[ 0x0054 ] = u_printf_time_handler;
/* handle 'K' */
g_u_printf_infos[ 0x004B ] = u_printf_uchar_info;
g_u_printf_handlers[ 0x004B ] = u_printf_uchar_handler;
/* handle 'U' */
g_u_printf_infos[ 0x0055 ] = u_printf_ustring_info;
g_u_printf_handlers[ 0x0055 ] = u_printf_ustring_handler;
/* handle 'g' */
g_u_printf_infos[ 0x0067 ] = u_printf_scidbl_info;
g_u_printf_handlers[ 0x0067 ] = u_printf_scidbl_handler;
/* handle 'G' */
g_u_printf_infos[ 0x0047 ] = u_printf_scidbl_info;
g_u_printf_handlers[ 0x0047 ] = u_printf_scidbl_handler;
/* handle 'n' */
g_u_printf_infos[ 0x006E ] = u_printf_count_info;
g_u_printf_handlers[ 0x006E ] = u_printf_count_handler;
/* handle 'V' */
g_u_printf_infos[ 0x0056 ] = u_printf_spellout_info;
g_u_printf_handlers[ 0x0056 ] = u_printf_spellout_handler;
/* we're finished */
g_u_printf_inited = TRUE;
/* unlock the cache */
umtx_unlock(0);
}
#define U_PRINTF_MAX_ARGS 32
#define UP_PERCENT 0x0025
int32_t
u_vfprintf_u( UFILE *f,
const UChar *patternSpecification,
va_list ap)
{
u_printf_spec spec;
const UChar *alias;
int32_t count, written;
int32_t num_args_wanted;
int32_t ufmt_types [U_PRINTF_MAX_ARGS];
ufmt_args args[U_PRINTF_MAX_ARGS];
u_printf_info info;
u_printf_handler handler;
int32_t cur_arg;
/* init our function tables */
if(! g_u_printf_inited)
u_printf_init();
/* alias the pattern */
alias = patternSpecification;
/* haven't written anything yet */
written = 0;
/* iterate through the pattern */
for(;;) {
/* find the next '%' */
count = 0;
while(*alias != UP_PERCENT && *alias != 0x0000) {
*alias++;
++count;
}
/* write any characters before the '%' */
if(count > 0)
written += u_file_write(alias - count, count, f);
/* break if at end of string */
if(*alias == 0x0000)
break;
/* parse the specifier */
count = 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) {
/* handle positional parameter */
}
else {
/* read the width from the argument list */
spec.fInfo.fWidth = va_arg(ap, int);
}
/* 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) {
/* handle positional parameter */
}
else {
/* read the precision from the argument list */
spec.fInfo.fPrecision = va_arg(ap, int);
}
/* if it's negative, set it to zero */
if(spec.fInfo.fPrecision < 0)
spec.fInfo.fPrecision = 0;
}
/* query the info function for argument information */
info = g_u_printf_infos[ (unsigned char) spec.fInfo.fSpec ];
if(info != 0) {
num_args_wanted = (*info)(&spec.fInfo,
ufmt_types,
U_PRINTF_MAX_ARGS);
}
else
num_args_wanted = 0;
/* fill in the requested arguments */
for(cur_arg = 0;
cur_arg < num_args_wanted && cur_arg < U_PRINTF_MAX_ARGS;
++cur_arg) {
switch(ufmt_types[cur_arg]) {
case ufmt_count:
args[cur_arg].intValue = va_arg(ap, int);
/* set the spec's width to the # of chars written */
spec.fInfo.fWidth = written;
break;
case ufmt_int:
args[cur_arg].intValue = va_arg(ap, int);
break;
case ufmt_char:
args[cur_arg].intValue = va_arg(ap, int);
break;
case ufmt_wchar:
args[cur_arg].wcharValue = va_arg(ap, wchar_t);
break;
case ufmt_string:
args[cur_arg].ptrValue = va_arg(ap, char*);
break;
case ufmt_wstring:
args[cur_arg].ptrValue = va_arg(ap, wchar_t*);
break;
case ufmt_pointer:
args[cur_arg].ptrValue = va_arg(ap, void*);
break;
case ufmt_float:
args[cur_arg].floatValue = va_arg(ap, float);
break;
case ufmt_double:
args[cur_arg].doubleValue = va_arg(ap, double);
break;
case ufmt_date:
args[cur_arg].dateValue = va_arg(ap, UDate);
break;
case ufmt_ustring:
args[cur_arg].ptrValue = va_arg(ap, UChar*);
break;
case ufmt_uchar:
args[cur_arg].intValue = va_arg(ap, int);
break;
}
}
/* call the handler function */
handler = g_u_printf_handlers[ (unsigned char) spec.fInfo.fSpec ];
if(handler != 0) {
written += (*handler)(f, &spec.fInfo, args);
}
/* just echo unknown tags */
else
written += u_file_write(alias, count, f);
/* update the pointer in pattern and continue */
alias += count;
}
/* return # of UChars written */
return written;
}
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