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scuffed-code/icu4c/source/common/putil.c
Vladimir Weinstein 7218e99aba ICU-1972 initial checkin for UEnumeration wrapper 
X-SVN-Rev: 9058
2002-07-08 23:04:59 +00:00

1857 lines
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/*
******************************************************************************
*
* Copyright (C) 1997-2001, International Business Machines
* Corporation and others. All Rights Reserved.
*
******************************************************************************
*
* FILE NAME : putil.c (previously putil.cpp and ptypes.cpp)
*
* Date Name Description
* 04/14/97 aliu Creation.
* 04/24/97 aliu Added getDefaultDataDirectory() and
* getDefaultLocaleID().
* 04/28/97 aliu Rewritten to assume Unix and apply general methods
* for assumed case. Non-UNIX platforms must be
* special-cased. Rewrote numeric methods dealing
* with NaN and Infinity to be platform independent
* over all IEEE 754 platforms.
* 05/13/97 aliu Restored sign of timezone
* (semantics are hours West of GMT)
* 06/16/98 erm Added IEEE_754 stuff, cleaned up isInfinite, isNan,
* nextDouble..
* 07/22/98 stephen Added remainder, max, min, trunc
* 08/13/98 stephen Added isNegativeInfinity, isPositiveInfinity
* 08/24/98 stephen Added longBitsFromDouble
* 09/08/98 stephen Minor changes for Mac Port
* 03/02/99 stephen Removed openFile(). Added AS400 support.
* Fixed EBCDIC tables
* 04/15/99 stephen Converted to C.
* 06/28/99 stephen Removed mutex locking in u_isBigEndian().
* 08/04/99 jeffrey R. Added OS/2 changes
* 11/15/99 helena Integrated S/390 IEEE support.
* 04/26/01 Barry N. OS/400 support for uprv_getDefaultLocaleID
* 08/15/01 Steven H. OS/400 support for uprv_getDefaultCodepage
******************************************************************************
*/
#ifdef _AIX
# include<sys/types.h>
#endif
#ifndef PTX
/* Define _XOPEN_SOURCE for Solaris and friends. */
/* NetBSD needs it to be >= 4 */
#ifndef _XOPEN_SOURCE
#define _XOPEN_SOURCE 4
#endif
/* Define __USE_POSIX and __USE_XOPEN for Linux and glibc. */
#ifndef __USE_POSIX
#define __USE_POSIX
#endif
#ifndef __USE_XOPEN
#define __USE_XOPEN
#endif
#endif /* PTX */
/* Include standard headers. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <locale.h>
#include <time.h>
#include <float.h>
/* include ICU headers */
#include "unicode/utypes.h"
#include "unicode/putil.h"
#include "umutex.h"
#include "cmemory.h"
#include "cstring.h"
#include "locmap.h"
#include "ucln_cmn.h"
/* include system headers */
#ifdef WIN32
# define WIN32_LEAN_AND_MEAN
# define NOGDI
# define NOUSER
# define NOSERVICE
# define NOIME
# define NOMCX
# include <windows.h>
#elif defined(OS2)
# define INCL_DOSMISC
# define INCL_DOSERRORS
# define INCL_DOSMODULEMGR
# include <os2.h>
#elif defined(OS400)
# include <float.h>
# include <qusec.h> /* error code structure */
# include <qusrjobi.h>
# include <qliept.h> /* EPT_CALL macro - this include must be after all other "QSYSINCs" */
#elif defined(XP_MAC)
# include <Files.h>
# include <IntlResources.h>
# include <Script.h>
# include <Folders.h>
# include <MacTypes.h>
# include <TextUtils.h>
#elif defined(AIX)
/*
# include <sys/ldr.h>
*/
#elif defined(U_SOLARIS) || defined(U_LINUX)
/*
# include <dlfcn.h>
# include <link.h>
*/
#elif defined(HPUX)
/*
# include <dl.h>
*/
#endif
/* Define the extension for data files, again... */
#define DATA_TYPE "dat"
/* floating point implementations ------------------------------------------- */
/* We return QNAN rather than SNAN*/
#if IEEE_754
#define NAN_TOP ((int16_t)0x7FF8)
#define INF_TOP ((int16_t)0x7FF0)
#elif defined(OS390)
#define NAN_TOP ((int16_t)0x7F08)
#define INF_TOP ((int16_t)0x3F00)
#endif
#define SIGN 0x80000000U
/* statics */
static UBool fgNaNInitialized = FALSE;
static double fgNan;
static UBool fgInfInitialized = FALSE;
static double fgInf;
/* protos */
static char* u_topNBytesOfDouble(double* d, int n);
static char* u_bottomNBytesOfDouble(double* d, int n);
/*static void uprv_longBitsFromDouble(double d, int32_t *hi, uint32_t *lo);*/
/*---------------------------------------------------------------------------
Platform utilities
Our general strategy is to assume we're on a POSIX platform. Platforms which
are non-POSIX must declare themselves so. The default POSIX implementation
will sometimes work for non-POSIX platforms as well (e.g., the NaN-related
functions).
---------------------------------------------------------------------------*/
#if defined(_WIN32) || defined(XP_MAC) || defined(OS400) || defined(OS2)
# undef U_POSIX_LOCALE
#else
# define U_POSIX_LOCALE 1
#endif
/*
* Only include langinfo.h if we have a way to get the codeset. If we later
* depend on more feature, we can test on U_HAVE_NL_LANGINFO.
*
*/
#if U_HAVE_NL_LANGINFO_CODESET
#include <langinfo.h>
#endif
/*---------------------------------------------------------------------------
Universal Implementations
These are designed to work on all platforms. Try these, and if they don't
work on your platform, then special case your platform with new
implementations.
---------------------------------------------------------------------------*/
/* Get UTC (GMT) time measured in seconds since 0:00 on 1/1/70.*/
U_CAPI int32_t U_EXPORT2
uprv_getUTCtime()
{
#ifdef XP_MAC
time_t t, t1, t2;
struct tm tmrec;
memset( &tmrec, 0, sizeof(tmrec) );
tmrec.tm_year = 70;
tmrec.tm_mon = 0;
tmrec.tm_mday = 1;
t1 = mktime(&tmrec); /* seconds of 1/1/1970*/
time(&t);
memcpy( &tmrec, gmtime(&t), sizeof(tmrec) );
t2 = mktime(&tmrec); /* seconds of current GMT*/
return t2 - t1; /* GMT (or UTC) in seconds since 1970*/
#else
time_t epochtime;
time(&epochtime);
return epochtime;
#endif
}
/*-----------------------------------------------------------------------------
IEEE 754
These methods detect and return NaN and infinity values for doubles
conforming to IEEE 754. Platforms which support this standard include X86,
Mac 680x0, Mac PowerPC, AIX RS/6000, and most others.
If this doesn't work on your platform, you have non-IEEE floating-point, and
will need to code your own versions. A naive implementation is to return 0.0
for getNaN and getInfinity, and false for isNaN and isInfinite.
---------------------------------------------------------------------------*/
U_CAPI UBool U_EXPORT2
uprv_isNaN(double number)
{
#if IEEE_754
/* This should work in theory, but it doesn't, so we resort to the more*/
/* complicated method below.*/
/* return number != number;*/
/* You can't return number == getNaN() because, by definition, NaN != x for*/
/* all x, including NaN (that is, NaN != NaN). So instead, we compare*/
/* against the known bit pattern. We must be careful of endianism here.*/
/* The pattern we are looking for id:*/
/* 7FFy yyyy yyyy yyyy (some y non-zero)*/
/* There are two different kinds of NaN, but we ignore the distinction*/
/* here. Note that the y value must be non-zero; if it is zero, then we*/
/* have infinity.*/
uint32_t highBits = *(uint32_t*)u_topNBytesOfDouble(&number,
sizeof(uint32_t));
uint32_t lowBits = *(uint32_t*)u_bottomNBytesOfDouble(&number,
sizeof(uint32_t));
return (UBool)(((highBits & 0x7FF00000L) == 0x7FF00000L) &&
(((highBits & 0x000FFFFFL) != 0) || (lowBits != 0)));
#elif defined(OS390)
uint32_t highBits = *(uint32_t*)u_topNBytesOfDouble(&number,
sizeof(uint32_t));
uint32_t lowBits = *(uint32_t*)u_bottomNBytesOfDouble(&number,
sizeof(uint32_t));
return ((highBits & 0x7F080000L) == 0x7F080000L) &&
(lowBits == 0x00000000L);
#else
/* If your platform doesn't support IEEE 754 but *does* have an NaN value,*/
/* you'll need to replace this default implementation with what's correct*/
/* for your platform.*/
return number != number;
#endif
}
U_CAPI UBool U_EXPORT2
uprv_isInfinite(double number)
{
#if IEEE_754
/* We know the top bit is the sign bit, so we mask that off in a copy of */
/* the number and compare against infinity. [LIU]*/
/* The following approach doesn't work for some reason, so we go ahead and */
/* scrutinize the pattern itself. */
/* double a = number; */
/* *(int8_t*)u_topNBytesOfDouble(&a, 1) &= 0x7F;*/
/* return a == uprv_getInfinity();*/
/* Instead, We want to see either:*/
/* 7FF0 0000 0000 0000*/
/* FFF0 0000 0000 0000*/
uint32_t highBits = *(uint32_t*)u_topNBytesOfDouble(&number,
sizeof(uint32_t));
uint32_t lowBits = *(uint32_t*)u_bottomNBytesOfDouble(&number,
sizeof(uint32_t));
return (UBool)(((highBits & ~SIGN) == 0x7FF00000U) &&
(lowBits == 0x00000000U));
#elif defined(OS390)
uint32_t highBits = *(uint32_t*)u_topNBytesOfDouble(&number,
sizeof(uint32_t));
uint32_t lowBits = *(uint32_t*)u_bottomNBytesOfDouble(&number,
sizeof(uint32_t));
return ((highBits & ~SIGN) == 0x70FF0000L) && (lowBits == 0x00000000L);
#else
/* If your platform doesn't support IEEE 754 but *does* have an infinity*/
/* value, you'll need to replace this default implementation with what's*/
/* correct for your platform.*/
return number == (2.0 * number);
#endif
}
U_CAPI UBool U_EXPORT2
uprv_isPositiveInfinity(double number)
{
#if IEEE_754 || defined(OS390)
return (UBool)(number > 0 && uprv_isInfinite(number));
#else
return uprv_isInfinite(number);
#endif
}
U_CAPI UBool U_EXPORT2
uprv_isNegativeInfinity(double number)
{
#if IEEE_754 || defined(OS390)
return (UBool)(number < 0 && uprv_isInfinite(number));
#else
uint32_t highBits = *(uint32_t*)u_topNBytesOfDouble(&number,
sizeof(uint32_t));
return((highBits & SIGN) && uprv_isInfinite(number));
#endif
}
U_CAPI double U_EXPORT2
uprv_getNaN()
{
#if IEEE_754 || defined(OS390)
if( !fgNaNInitialized) {
umtx_lock(NULL);
if( ! fgNaNInitialized) {
int i;
int8_t* p = (int8_t*)&fgNan;
for(i = 0; i < sizeof(double); ++i)
*p++ = 0;
*(int16_t*)u_topNBytesOfDouble(&fgNan, sizeof(NAN_TOP)) = NAN_TOP;
fgNaNInitialized = TRUE;
}
umtx_unlock(NULL);
}
return fgNan;
#else
/* If your platform doesn't support IEEE 754 but *does* have an NaN value,*/
/* you'll need to replace this default implementation with what's correct*/
/* for your platform.*/
return 0.0;
#endif
}
U_CAPI double U_EXPORT2
uprv_getInfinity()
{
#if IEEE_754 || defined(OS390)
if (!fgInfInitialized)
{
int i;
int8_t* p = (int8_t*)&fgInf;
for(i = 0; i < sizeof(double); ++i)
*p++ = 0;
*(int16_t*)u_topNBytesOfDouble(&fgInf, sizeof(INF_TOP)) = INF_TOP;
fgInfInitialized = TRUE;
}
return fgInf;
#else
/* If your platform doesn't support IEEE 754 but *does* have an infinity*/
/* value, you'll need to replace this default implementation with what's*/
/* correct for your platform.*/
return 0.0;
#endif
}
U_CAPI double U_EXPORT2
uprv_floor(double x)
{
return floor(x);
}
U_CAPI double U_EXPORT2
uprv_ceil(double x)
{
return ceil(x);
}
U_CAPI double U_EXPORT2
uprv_round(double x)
{
return uprv_floor(x + 0.5);
}
U_CAPI double U_EXPORT2
uprv_fabs(double x)
{
return fabs(x);
}
U_CAPI double U_EXPORT2
uprv_modf(double x, double* y)
{
return modf(x, y);
}
U_CAPI double U_EXPORT2
uprv_fmod(double x, double y)
{
return fmod(x, y);
}
U_CAPI double U_EXPORT2
uprv_pow(double x, double y)
{
/* This is declared as "double pow(double x, double y)" */
return pow(x, y);
}
U_CAPI double U_EXPORT2
uprv_pow10(int32_t x)
{
return pow(10.0, (double)x);
}
U_CAPI double U_EXPORT2
uprv_fmax(double x, double y)
{
#if IEEE_754
int32_t lowBits;
/* first handle NaN*/
if(uprv_isNaN(x) || uprv_isNaN(y))
return uprv_getNaN();
/* check for -0 and 0*/
lowBits = *(uint32_t*) u_bottomNBytesOfDouble(&x, sizeof(uint32_t));
if(x == 0.0 && y == 0.0 && (lowBits & SIGN))
return y;
#endif
/* this should work for all flt point w/o NaN and Infpecial cases */
return (x > y ? x : y);
}
U_CAPI int32_t U_EXPORT2
uprv_max(int32_t x, int32_t y)
{
return (x > y ? x : y);
}
U_CAPI double U_EXPORT2
uprv_fmin(double x, double y)
{
#if IEEE_754
int32_t lowBits;
/* first handle NaN*/
if(uprv_isNaN(x) || uprv_isNaN(y))
return uprv_getNaN();
/* check for -0 and 0*/
lowBits = *(uint32_t*) u_bottomNBytesOfDouble(&y, sizeof(uint32_t));
if(x == 0.0 && y == 0.0 && (lowBits & SIGN))
return y;
#endif
/* this should work for all flt point w/o NaN and Inf special cases */
return (x > y ? y : x);
}
U_CAPI int32_t U_EXPORT2
uprv_min(int32_t x, int32_t y)
{
return (x > y ? y : x);
}
/**
* Truncates the given double.
* trunc(3.3) = 3.0, trunc (-3.3) = -3.0
* This is different than calling floor() or ceil():
* floor(3.3) = 3, floor(-3.3) = -4
* ceil(3.3) = 4, ceil(-3.3) = -3
*/
U_CAPI double U_EXPORT2
uprv_trunc(double d)
{
#if IEEE_754
int32_t lowBits;
/* handle error cases*/
if(uprv_isNaN(d))
return uprv_getNaN();
if(uprv_isInfinite(d))
return uprv_getInfinity();
lowBits = *(uint32_t*) u_bottomNBytesOfDouble(&d, sizeof(uint32_t));
if( (d == 0.0 && (lowBits & SIGN)) || d < 0)
return ceil(d);
else
return floor(d);
#else
return d >= 0 ? floor(d) : ceil(d);
#endif
}
/*
static void
uprv_longBitsFromDouble(double d, int32_t *hi, uint32_t *lo)
{
*hi = *(int32_t*)u_topNBytesOfDouble(&d, sizeof(int32_t));
*lo = *(uint32_t*)u_bottomNBytesOfDouble(&d, sizeof(uint32_t));
}
*/
/**
* Return the largest positive number that can be represented by an integer
* type of arbitrary bit length.
*/
U_CAPI double U_EXPORT2
uprv_maxMantissa(void)
{
return pow(2.0, DBL_MANT_DIG + 1.0) - 1.0;
}
/**
* Return the floor of the log base 10 of a given double.
* This method compensates for inaccuracies which arise naturally when
* computing logs, and always give the correct value. The parameter
* must be positive and finite.
* (Thanks to Alan Liu for supplying this function.)
*/
U_CAPI int16_t U_EXPORT2
uprv_log10(double d)
{
#ifdef OS400
/* We don't use the normal implementation because you can't underflow */
/* a double otherwise an underflow exception occurs */
return log10(d);
#else
/* The reason this routine is needed is that simply taking the*/
/* log and dividing by log10 yields a result which may be off*/
/* by 1 due to rounding errors. For example, the naive log10*/
/* of 1.0e300 taken this way is 299, rather than 300.*/
double alog10 = log(d) / log(10.0);
int16_t ailog10 = (int16_t) floor(alog10);
/* Positive logs could be too small, e.g. 0.99 instead of 1.0*/
if (alog10 > 0 && d >= pow(10.0, (double)(ailog10 + 1)))
++ailog10;
/* Negative logs could be too big, e.g. -0.99 instead of -1.0*/
else if (alog10 < 0 && d < pow(10.0, (double)(ailog10)))
--ailog10;
return ailog10;
#endif
}
U_CAPI double U_EXPORT2
uprv_log(double d)
{
return log(d);
}
U_CAPI int32_t U_EXPORT2
uprv_digitsAfterDecimal(double x)
{
char buffer[20];
int32_t numDigits, bytesWritten;
char *p = buffer;
int32_t ptPos, exponent;
/* cheat and use the string-format routine to get a string representation*/
/* (it handles mathematical inaccuracy better than we can), then find out */
/* many characters are to the right of the decimal point */
bytesWritten = sprintf(buffer, "%+.9g", x);
while (isdigit(*(++p))) {
}
ptPos = (int32_t)(p - buffer);
numDigits = (int32_t)(bytesWritten - ptPos - 1);
/* if the number's string representation is in scientific notation, find */
/* the exponent and take it into account*/
exponent = 0;
p = uprv_strchr(buffer, 'e');
if (p != 0) {
int16_t expPos = (int16_t)(p - buffer);
numDigits -= bytesWritten - expPos;
exponent = (int32_t)(atol(p + 1));
}
/* the string representation may still have spurious decimal digits in it, */
/* so we cut off at the ninth digit to the right of the decimal, and have */
/* to search backward from there to the first non-zero digit*/
if (numDigits > 9) {
numDigits = 9;
while (numDigits > 0 && buffer[ptPos + numDigits] == '0')
--numDigits;
}
numDigits -= exponent;
if (numDigits < 0) {
return 0;
}
return numDigits;
}
U_CAPI double U_EXPORT2
uprv_nextDouble(double d, UBool next)
{
#if IEEE_754
int32_t highBits;
uint32_t lowBits;
int32_t highMagnitude;
uint32_t lowMagnitude;
double result;
uint32_t *highResult, *lowResult;
uint32_t signBit;
/* filter out NaN's */
if (uprv_isNaN(d)) {
return d;
}
/* zero's are also a special case */
if (d == 0.0) {
double smallestPositiveDouble = 0.0;
uint32_t *plowBits =
(uint32_t *)u_bottomNBytesOfDouble(&smallestPositiveDouble,
sizeof(uint32_t));
*plowBits = 1;
#ifdef OS400
/* Don't get an underflow exception */
*(plowBits-1) = 0x00100000;
#endif
if (next) {
return smallestPositiveDouble;
} else {
return -smallestPositiveDouble;
}
}
/* if we get here, d is a nonzero value */
/* hold all bits for later use */
highBits = *(int32_t*)u_topNBytesOfDouble(&d, sizeof(uint32_t));
lowBits = *(uint32_t*)u_bottomNBytesOfDouble(&d, sizeof(uint32_t));
/* strip off the sign bit */
highMagnitude = highBits & ~SIGN;
lowMagnitude = lowBits;
/* if next double away from zero, increase magnitude */
if ((highBits >= 0) == next) {
if (highMagnitude != 0x7FF00000L || lowMagnitude != 0x00000000L) {
lowMagnitude += 1;
if (lowMagnitude == 0) {
highMagnitude += 1;
}
}
}
/* else decrease magnitude */
else {
lowMagnitude -= 1;
if (lowMagnitude > lowBits) {
highMagnitude -= 1;
}
#ifdef OS400
/* Don't get an underflow exception */
if (highMagnitude < 0x00100000 ||
(highMagnitude == 0x00100000 && lowMagnitude == 0))
{
highMagnitude = 0;
lowMagnitude = 0;
}
#endif
}
/* construct result and return */
signBit = highBits & SIGN;
highResult = (uint32_t *)u_topNBytesOfDouble(&result, sizeof(uint32_t));
lowResult = (uint32_t *)u_bottomNBytesOfDouble(&result, sizeof(uint32_t));
*highResult = signBit | highMagnitude;
*lowResult = lowMagnitude;
return result;
#else
/* This is the portable implementation...*/
/* a small coefficient within the precision of the mantissa*/
static const double smallValue = 1e-10;
double epsilon = ((d<0)?-d:d) * smallValue; /* first approximation*/
double last_eps, sum;
if (epsilon == 0)
epsilon = smallValue; /* for very small d's*/
if (!next)
epsilon = -epsilon;
/* avoid higher precision possibly used for temporay values*/
last_eps = epsilon * 2.0;
sum = d + epsilon;
while ((sum != d) && (epsilon != last_eps)) {
last_eps = epsilon;
epsilon /= 2.0;
sum = d + epsilon;
}
return d + last_eps;
#endif
}
static char*
u_topNBytesOfDouble(double* d, int n)
{
#if U_IS_BIG_ENDIAN
return (char*)d;
#else
return (char*)(d + 1) - n;
#endif
}
static char* u_bottomNBytesOfDouble(double* d, int n)
{
#if U_IS_BIG_ENDIAN
return (char*)(d + 1) - n;
#else
return (char*)d;
#endif
}
/*---------------------------------------------------------------------------
Platform-specific Implementations
Try these, and if they don't work on your platform, then special case your
platform with new implementations.
---------------------------------------------------------------------------*/
/* Time zone utilities */
U_CAPI void U_EXPORT2
uprv_tzset()
{
#ifdef U_TZSET
U_TZSET();
#else
/* no initialization*/
#endif
}
U_CAPI int32_t U_EXPORT2
uprv_timezone()
{
#if U_HAVE_TIMEZONE
return U_TIMEZONE;
#else
time_t t, t1, t2;
struct tm tmrec;
UBool dst_checked;
int32_t tdiff = 0;
time(&t);
memcpy( &tmrec, localtime(&t), sizeof(tmrec) );
dst_checked = (tmrec.tm_isdst != 0); /* daylight savings time is checked*/
t1 = mktime(&tmrec); /* local time in seconds*/
memcpy( &tmrec, gmtime(&t), sizeof(tmrec) );
t2 = mktime(&tmrec); /* GMT (or UTC) in seconds*/
tdiff = t2 - t1;
/* imitate NT behaviour, which returns same timezone offset to GMT for
winter and summer*/
if (dst_checked)
tdiff += 3600;
return tdiff;
#endif
}
/* Note that U_TZNAME does *not* have to be tzname, but if it does,
some platforms need to have it declared here. */
#if defined(IRIX) || defined(U_DARWIN) /* For SGI/MacOSX. */
extern char *tzname[]; /* RS6000 and others reject char **tzname. */
#endif
U_CAPI char* U_EXPORT2
uprv_tzname(int n)
{
#ifdef U_TZNAME
return U_TZNAME[n];
#else
return "";
#endif
}
/* Get and set the ICU data directory --------------------------------------- */
static char *gDataDirectory = NULL;
#if U_POSIX_LOCALE
static char *gCorrectedPOSIXLocale = NULL; /* Heap allocated */
#endif
UBool putil_cleanup(void)
{
if (gDataDirectory) {
uprv_free(gDataDirectory);
gDataDirectory = NULL;
}
#if U_POSIX_LOCALE
if (gCorrectedPOSIXLocale) {
uprv_free(gCorrectedPOSIXLocale);
gCorrectedPOSIXLocale = NULL;
}
#endif
return TRUE;
}
/*
* Set the data directory.
* Make a copy of the passed string, and set the global data dir to point to it.
*/
U_CAPI void U_EXPORT2
u_setDataDirectory(const char *directory) {
char *newDataDir;
if(directory!=NULL) {
int length=uprv_strlen(directory);
newDataDir = (char *)uprv_malloc(length + 2);
uprv_strcpy(newDataDir, directory);
if(newDataDir[length-1]!=U_FILE_SEP_CHAR) {
newDataDir[length++]=U_FILE_SEP_CHAR;
newDataDir[length] = 0;
}
umtx_lock(NULL);
if (gDataDirectory) {
uprv_free(gDataDirectory);
}
gDataDirectory = newDataDir;
umtx_unlock(NULL);
}
}
U_CAPI const char * U_EXPORT2
u_getDataDirectory(void) {
const char *path = NULL;
char pathBuffer[1024];
/* if we have the directory, then return it immediately */
if(gDataDirectory) {
return gDataDirectory;
}
/* we need to look for it */
pathBuffer[0] = 0; /* Shuts up compiler warnings about unreferenced */
/* variables when the code using it is ifdefed out */
# if !defined(XP_MAC)
/* first try to get the environment variable */
path=getenv("ICU_DATA");
# else /* XP_MAC */
{
OSErr myErr;
short vRef;
long dir,newDir;
int16_t volNum;
Str255 xpath;
FSSpec spec;
short len;
Handle full;
xpath[0]=0;
myErr = HGetVol(xpath, &volNum, &dir);
if(myErr == noErr) {
myErr = FindFolder(volNum, kApplicationSupportFolderType, TRUE, &vRef, &dir);
newDir=-1;
if (myErr == noErr) {
myErr = DirCreate(volNum,
dir,
"\pICU",
&newDir);
if( (myErr == noErr) || (myErr == dupFNErr) ) {
spec.vRefNum = volNum;
spec.parID = dir;
uprv_memcpy(spec.name, "\pICU", 4);
myErr = FSpGetFullPath(&spec, &len, &full);
if(full != NULL)
{
HLock(full);
uprv_memcpy(pathBuffer, ((char*)(*full)), len);
pathBuffer[len] = 0;
path = pathBuffer;
DisposeHandle(full);
}
}
}
}
}
# endif
# if defined WIN32 && defined ICU_ENABLE_DEPRECATED_WIN_REGISTRY
/* next, try to read the path from the registry */
if(path==NULL || *path==0) {
HKEY key;
if(ERROR_SUCCESS==RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\ICU\\Unicode\\Data", 0, KEY_QUERY_VALUE, &key)) {
DWORD type=REG_EXPAND_SZ, size=sizeof(pathBuffer);
if(ERROR_SUCCESS==RegQueryValueEx(key, "Path", NULL, &type, (unsigned char *)pathBuffer, &size) && size>1) {
if(type==REG_EXPAND_SZ) {
/* replace environment variable references by their values */
char temporaryPath[1024];
/* copy the path with variables to the temporary one */
uprv_memcpy(temporaryPath, pathBuffer, size);
/* do the replacement and store it in the pathBuffer */
size=ExpandEnvironmentStrings(temporaryPath, pathBuffer, sizeof(pathBuffer));
if(size>0 && size<sizeof(pathBuffer)) {
path=pathBuffer;
}
} else if(type==REG_SZ) {
path=pathBuffer;
}
}
RegCloseKey(key);
}
}
# endif
/* ICU_DATA_DIR may be set as a compile option */
# ifdef ICU_DATA_DIR
if(path==NULL || *path==0) {
path=ICU_DATA_DIR;
}
# endif
if(path==NULL) {
/* It looks really bad, set it to something. */
path = "";
}
u_setDataDirectory(path);
return gDataDirectory;
}
/* Macintosh-specific locale information ------------------------------------ */
#ifdef XP_MAC
typedef struct {
int32_t script;
int32_t region;
int32_t lang;
int32_t date_region;
const char* posixID;
} mac_lc_rec;
/* Todo: This will be updated with a newer version from www.unicode.org web
page when it's available.*/
#define MAC_LC_MAGIC_NUMBER -5
#define MAC_LC_INIT_NUMBER -9
static const mac_lc_rec mac_lc_recs[] = {
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 0, "en_US",
/* United States*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 1, "fr_FR",
/* France*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 2, "en_GB",
/* Great Britain*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 3, "de_DE",
/* Germany*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 4, "it_IT",
/* Italy*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 5, "nl_NL",
/* Metherlands*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 6, "fr_BE",
/* French for Belgium or Lxembourg*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 7, "sv_SE",
/* Sweden*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 9, "da_DK",
/* Denmark*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 10, "pt_PT",
/* Portugal*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 11, "fr_CA",
/* French Canada*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 13, "is_IS",
/* Israel*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 14, "ja_JP",
/* Japan*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 15, "en_AU",
/* Australia*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 16, "ar_AE",
/* the Arabic world (?)*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 17, "fi_FI",
/* Finland*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 18, "fr_CH",
/* French for Switzerland*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 19, "de_CH",
/* German for Switzerland*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 20, "el_GR",
/* Greece*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 21, "is_IS",
/* Iceland ===*/
/*MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 22, "",*/
/* Malta ===*/
/*MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 23, "",*/
/* Cyprus ===*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 24, "tr_TR",
/* Turkey ===*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 25, "sh_YU",
/* Croatian system for Yugoslavia*/
/*MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 33, "",*/
/* Hindi system for India*/
/*MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 34, "",*/
/* Pakistan*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 41, "lt_LT",
/* Lithuania*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 42, "pl_PL",
/* Poland*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 43, "hu_HU",
/* Hungary*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 44, "et_EE",
/* Estonia*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 45, "lv_LV",
/* Latvia*/
/*MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 46, "",*/
/* Lapland [Ask Rich for the data. HS]*/
/*MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 47, "",*/
/* Faeroe Islands*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 48, "fa_IR",
/* Iran*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 49, "ru_RU",
/* Russia*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 50, "en_IE",
/* Ireland*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 51, "ko_KR",
/* Korea*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 52, "zh_CN",
/* People's Republic of China*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 53, "zh_TW",
/* Taiwan*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, 54, "th_TH",
/* Thailand*/
/* fallback is en_US*/
MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER, MAC_LC_MAGIC_NUMBER,
MAC_LC_MAGIC_NUMBER, "en_US"
};
#endif
#if U_POSIX_LOCALE
/* Return just the POSIX id, whatever happens to be in it */
static const char *uprv_getPOSIXID(void)
{
static const char* posixID = NULL;
if (posixID == 0) {
posixID = getenv("LC_ALL");
if (posixID == 0) {
posixID = getenv("LANG");
if (posixID == 0) {
/*
* On Solaris two different calls to setlocale can result in
* different values. Only get this value once.
*/
posixID = setlocale(LC_ALL, NULL);
}
}
}
if (posixID==0)
{
/* Nothing worked. Give it a nice value. */
posixID = "en_US";
}
else if ((uprv_strcmp("C", posixID) == 0)
|| (uprv_strchr(posixID, ' ') != NULL)
|| (uprv_strchr(posixID, '/') != NULL))
{ /* HPUX returns 'C C C C C C C' */
/* Solaris can return /en_US/C/C/C/C/C on the second try. */
/* Maybe we got some garbage. Give it a nice value. */
posixID = "en_US_POSIX";
}
return posixID;
}
#endif
U_CAPI const char* U_EXPORT2
uprv_getDefaultLocaleID()
{
#if U_POSIX_LOCALE
/*
Note that: (a '!' means the ID is improper somehow)
LC_ALL ----> default_loc codepage
--------------------------------------------------------
ab.CD ab CD
ab@CD ab__CD -
ab@CD.EF ab__CD EF
ab_CD.EF@GH ab_CD_GH EF
Some 'improper' ways to do the same as above:
! ab_CD@GH.EF ab_CD_GH EF
! ab_CD.EF@GH.IJ ab_CD_GH EF
! ab_CD@ZZ.EF@GH.IJ ab_CD_GH EF
_CD@GH _CD_GH -
_CD.EF@GH _CD_GH EF
The variant cannot have dots in it.
The 'rightmost' variant (@xxx) wins.
The leftmost codepage (.xxx) wins.
*/
char *correctedPOSIXLocale = 0;
const char* posixID = uprv_getPOSIXID();
const char *p;
const char *q;
int32_t len;
/* Format: (no spaces)
ll [ _CC ] [ . MM ] [ @ VV]
l = lang, C = ctry, M = charmap, V = variant
*/
if(gCorrectedPOSIXLocale != NULL) {
return gCorrectedPOSIXLocale;
}
if((p = uprv_strchr(posixID, '.')) != NULL)
{
/* assume new locale can't be larger than old one? */
correctedPOSIXLocale = uprv_malloc(uprv_strlen(posixID));
uprv_strncpy(correctedPOSIXLocale, posixID, p-posixID);
correctedPOSIXLocale[p-posixID] = 0;
/* do not copy after the @ */
if((p = uprv_strchr(correctedPOSIXLocale, '@')) != NULL)
{
correctedPOSIXLocale[p-correctedPOSIXLocale] = 0;
}
}
/* Note that we scan the *uncorrected* ID. */
if((p = uprv_strrchr(posixID, '@')) != NULL)
{
if(correctedPOSIXLocale == NULL) {
correctedPOSIXLocale = uprv_malloc(uprv_strlen(posixID));
uprv_strncpy(correctedPOSIXLocale, posixID, p-posixID);
correctedPOSIXLocale[p-posixID] = 0;
}
p++;
/* Take care of any special cases here.. */
if(!uprv_strcmp(p, "nynorsk"))
{
p = "NY";
/* Should we assume no_NO_NY instead of possible no__NY?
* if(!uprv_strcmp(correctedPOSIXLocale, "no")) {
* uprv_strcpy(correctedPOSIXLocale, "no_NO");
* }
*/
}
if(uprv_strchr(correctedPOSIXLocale,'_') == NULL)
{
uprv_strcat(correctedPOSIXLocale, "__"); /* aa@b -> aa__b */
}
else
{
uprv_strcat(correctedPOSIXLocale, "_"); /* aa_CC@b -> aa_CC_b */
}
if((q = uprv_strchr(p, '.')) != NULL)
{
/* How big will the resulting string be? */
len = uprv_strlen(correctedPOSIXLocale) + (q-p);
uprv_strncat(correctedPOSIXLocale, p, q-p);
correctedPOSIXLocale[len] = 0;
}
else
{
uprv_strcat(correctedPOSIXLocale, p); /* Anything following the @ sign */
}
/* Should there be a map from 'no@nynorsk' -> no_NO_NY here?
How about 'russian' -> 'ru'?
*/
}
/* Was a correction made? */
if(correctedPOSIXLocale != NULL)
{
posixID = correctedPOSIXLocale;
}
umtx_lock(NULL);
if(gCorrectedPOSIXLocale == NULL) {
gCorrectedPOSIXLocale = correctedPOSIXLocale;
correctedPOSIXLocale = NULL;
}
umtx_unlock(NULL);
if(correctedPOSIXLocale != NULL) { /* Was already set - clean up. */
uprv_free(correctedPOSIXLocale);
}
return posixID;
#elif defined(WIN32)
UErrorCode status = U_ZERO_ERROR;
LCID id = GetThreadLocale();
const char* locID = T_convertToPosix(id, &status);
if (U_FAILURE(status)) {
locID = "en_US";
}
return locID;
#elif defined(XP_MAC)
int32_t script = MAC_LC_INIT_NUMBER;
/* = IntlScript(); or GetScriptManagerVariable(smSysScript);*/
int32_t region = MAC_LC_INIT_NUMBER;
/* = GetScriptManagerVariable(smRegionCode);*/
int32_t lang = MAC_LC_INIT_NUMBER;
/* = GetScriptManagerVariable(smScriptLang);*/
int32_t date_region = MAC_LC_INIT_NUMBER;
char* posixID = 0;
int32_t count = sizeof(mac_lc_recs) / sizeof(mac_lc_rec);
int32_t i;
Intl1Hndl ih;
ih = (Intl1Hndl) GetIntlResource(1);
if (ih)
date_region = ((uint16_t)(*ih)->intl1Vers) >> 8;
for (i = 0; i < count; i++) {
if ( ((mac_lc_recs[i].script == MAC_LC_MAGIC_NUMBER)
|| (mac_lc_recs[i].script == script))
&& ((mac_lc_recs[i].region == MAC_LC_MAGIC_NUMBER)
|| (mac_lc_recs[i].region == region))
&& ((mac_lc_recs[i].lang == MAC_LC_MAGIC_NUMBER)
|| (mac_lc_recs[i].lang == lang))
&& ((mac_lc_recs[i].date_region == MAC_LC_MAGIC_NUMBER)
|| (mac_lc_recs[i].date_region == date_region))
)
{
posixID = mac_lc_recs[i].posixID;
break;
}
}
return posixID;
#elif defined(OS2)
char * locID;
locID = getenv("LC_ALL");
if (!locID || !*locID)
locID = getenv("LANG");
if (!locID || !*locID) {
locID = "en_US";
}
if (!stricmp(locID, "c") || !stricmp(locID, "posix") ||
!stricmp(locID, "univ"))
locID = "en_US_POSIX";
return locID;
#elif defined(OS400)
/* locales are process scoped and are by definition thread safe */
static char correctedLocale[64];
const char *localeID = getenv("LC_ALL");
char *p;
if (localeID == NULL)
localeID = getenv("LANG");
if (localeID == NULL)
localeID = setlocale(LC_ALL, NULL);
/* Make sure we have something... */
if (localeID == NULL)
return "en_US_POSIX";
/* Extract the locale name from the path. */
if((p = uprv_strrchr(localeID, '/')) != NULL)
{
/* Increment p to start of locale name. */
p++;
localeID = p;
}
/* Copy to work location. */
uprv_strcpy(correctedLocale, localeID);
/* Strip off the '.locale' extension. */
if((p = uprv_strchr(correctedLocale, '.')) != NULL) {
*p = 0;
}
/* Upper case the locale name. */
T_CString_toUpperCase(correctedLocale);
/* See if we are using the POSIX locale. Any of the
* following are equivalent and use the same QLGPGCMA
* (POSIX) locale.
*/
if ((uprv_strcmp("C", correctedLocale) == 0) ||
(uprv_strcmp("POSIX", correctedLocale) == 0) ||
(uprv_strcmp("QLGPGCMA", correctedLocale) == 0))
{
uprv_strcpy(correctedLocale, "en_US_POSIX");
}
else
{
int16_t LocaleLen;
/* Lower case the lang portion. */
for(p = correctedLocale; *p != 0 && *p != '_'; p++)
{
*p = uprv_tolower(*p);
}
/* Adjust for Euro. After '_E' add 'URO'. */
LocaleLen = uprv_strlen(correctedLocale);
if (correctedLocale[LocaleLen - 2] == '_' &&
correctedLocale[LocaleLen - 1] == 'E')
{
uprv_strcat(correctedLocale, "URO");
}
/* If using Lotus-based locale then convert to
* equivalent non Lotus.
*/
else if (correctedLocale[LocaleLen - 2] == '_' &&
correctedLocale[LocaleLen - 1] == 'L')
{
correctedLocale[LocaleLen - 2] = 0;
}
/* There are separate simplified and traditional
* locales called zh_HK_S and zh_HK_T.
*/
else if (uprv_strncmp(correctedLocale, "zh_HK", 5) == 0)
{
uprv_strcpy(correctedLocale, "zh_HK");
}
/* A special zh_CN_GBK locale...
*/
else if (uprv_strcmp(correctedLocale, "zh_CN_GBK") == 0)
{
uprv_strcpy(correctedLocale, "zh_CN");
}
}
return correctedLocale;
#endif
}
U_CAPI const char* U_EXPORT2
uprv_getDefaultCodepage()
{
#if defined(OS400)
uint32_t ccsid = 37; /* Default to ibm-37 */
static char codepage[16];
Qwc_JOBI0400_t jobinfo;
Qus_EC_t error = { sizeof(Qus_EC_t) }; /* SPI error code */
EPT_CALL(QUSRJOBI)(&jobinfo, sizeof(jobinfo), "JOBI0400",
"* ", " ", &error);
if (error.Bytes_Available == 0) {
if (jobinfo.Coded_Char_Set_ID != 0xFFFF) {
ccsid = (uint32_t)jobinfo.Coded_Char_Set_ID;
}
else if (jobinfo.Default_Coded_Char_Set_Id != 0xFFFF) {
ccsid = (uint32_t)jobinfo.Default_Coded_Char_Set_Id;
}
/* else use the default */
}
sprintf(codepage,"ibm-%d", ccsid);
return codepage;
#elif defined(OS390)
static char codepage[16];
sprintf(codepage,"%s-s390", nl_langinfo(CODESET));
return codepage;
#elif defined(XP_MAC)
return "ibm-1275"; /* TODO: Macintosh Roman. There must be a better way. fixme! */
#elif defined(WIN32)
static char codepage[16];
sprintf(codepage, "cp%d", GetACP());
return codepage;
#elif U_POSIX_LOCALE
static char codesetName[100];
char *name = NULL;
char *euro = NULL;
const char *localeName = NULL;
const char *defaultTable = NULL;
uprv_memset(codesetName, 0, sizeof(codesetName));
localeName = uprv_getPOSIXID();
if (localeName != NULL && (name = (uprv_strchr(localeName, (int)'.'))) != NULL)
{
/* strip the locale name and look at the suffix only */
name = uprv_strncpy(codesetName, name+1, sizeof(codesetName));
codesetName[sizeof(codesetName)-1] = 0;
if ((euro = (uprv_strchr(name, (int)'@'))) != NULL)
{
*euro = 0;
}
/* if we can find the codset name, return that. */
if (*name)
{
return name;
}
}
/* otherwise, try CTYPE */
if (*codesetName)
{
uprv_memset(codesetName, 0, sizeof(codesetName));
}
localeName = setlocale(LC_CTYPE, "");
if (localeName != NULL && (name = (uprv_strchr(localeName, (int)'.'))) != NULL)
{
/* strip the locale name and look at the suffix only */
name = uprv_strncpy(codesetName, name+1, sizeof(codesetName));
codesetName[sizeof(codesetName)-1] = 0;
if ((euro = (uprv_strchr(name, (int)'@'))) != NULL)
{
*euro = 0;
}
/* if we can find the codset name from setlocale, return that. */
if (*name)
{
return name;
}
}
if (*codesetName)
{
uprv_memset(codesetName, 0, sizeof(codesetName));
}
#if U_HAVE_NL_LANGINFO_CODESET
{
const char *codeset = nl_langinfo(U_NL_LANGINFO_CODESET);
if (codeset != NULL) {
uprv_strncpy(codesetName, codeset, sizeof(codesetName));
codesetName[sizeof(codesetName)-1] = 0;
}
}
#endif
if (*codesetName == 0)
{
/* look up in srl's table */
defaultTable = uprv_defaultCodePageForLocale(localeName);
if (defaultTable != NULL)
{
uprv_strcpy(codesetName, defaultTable);
}
else
{
/* if the table lookup failed, return US ASCII (ISO 646). */
uprv_strcpy(codesetName, "US-ASCII");
}
}
return codesetName;
#else
return "US-ASCII";
#endif
}
#if U_CHARSET_FAMILY==U_EBCDIC_FAMILY
#ifdef OS390
/*
* These maps for ASCII to/from EBCDIC are from
* "UTF-EBCDIC - EBCDIC-Friendly Unicode (or UCS) Transformation Format"
* at http://www.unicode.org/unicode/reports/tr16/
* (which should reflect codepage 1047)
* but modified to explicitly exclude the variant
* control and graphical characters that are in ASCII-based
* codepages at 0x80 and above.
* Also, unlike in Version 6.0 of the UTR on UTF-EBCDIC,
* the Line Feed mapping varies according to the environment.
*
* These tables do not establish a converter or a codepage.
*/
/* on S/390 Open Edition, ASCII 0xa (LF) maps to 0x15 and ISO-8 0x85 maps to 0x25 */
# define E_LF 0x15
# define A_15 0x0a
# define A_25 0x00
# if 0
/* the CDRA variation of 1047 is not currently used - see tables in #else below */
/* in standard EBCDIC (CDRA), ASCII 0xa (LF) maps to 0x25 and ISO-8 0x85 maps to 0x15 */
# define E_LF 0x25
# define A_15 0x00
# define A_25 0x0a
# endif
static const uint8_t asciiFromEbcdic[256]={
0x00, 0x01, 0x02, 0x03, 0x00, 0x09, 0x00, 0x7F, 0x00, 0x00, 0x00, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x00, A_15, 0x08, 0x00, 0x18, 0x19, 0x00, 0x00, 0x1C, 0x1D, 0x1E, 0x1F,
0x00, 0x00, 0x00, 0x00, 0x00, A_25, 0x17, 0x1B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x06, 0x07,
0x00, 0x00, 0x16, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x14, 0x15, 0x00, 0x1A,
0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2E, 0x3C, 0x28, 0x2B, 0x7C,
0x26, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x21, 0x24, 0x2A, 0x29, 0x3B, 0x5E,
0x2D, 0x2F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2C, 0x25, 0x5F, 0x3E, 0x3F,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22,
0x00, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x00, 0x00, 0x00, 0x5B, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x00, 0x00,
0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x5C, 0x00, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
static const uint8_t ebcdicFromAscii[256]={
0x00, 0x01, 0x02, 0x03, 0x37, 0x2D, 0x2E, 0x2F, 0x16, 0x05, E_LF, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x3C, 0x3D, 0x32, 0x26, 0x18, 0x19, 0x3F, 0x27, 0x1C, 0x1D, 0x1E, 0x1F,
0x40, 0x5A, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D, 0x4D, 0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61,
0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0x7A, 0x5E, 0x4C, 0x7E, 0x6E, 0x6F,
0x7C, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6,
0xD7, 0xD8, 0xD9, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xAD, 0xE0, 0xBD, 0x5F, 0x6D,
0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,
0x97, 0x98, 0x99, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xC0, 0x4F, 0xD0, 0xA1, 0x07,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
#else
/*
* These maps for ASCII to/from EBCDIC were generated
* using the ICU converter for codepage 37 on 2000-may-22.
* They explicitly exclude the variant
* control and graphical characters that are in ASCII-based
* codepages at 0x80 and above.
*
* These tables do not establish a converter or a codepage.
*/
static const uint8_t asciiFromEbcdic[256]={
0x00, 0x01, 0x02, 0x03, 0x00, 0x09, 0x00, 0x7f, 0x00, 0x00, 0x00, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x00, 0x00, 0x08, 0x00, 0x18, 0x19, 0x00, 0x00, 0x1c, 0x1d, 0x1e, 0x1f,
0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x17, 0x1b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x06, 0x07,
0x00, 0x00, 0x16, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x14, 0x15, 0x00, 0x1a,
0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2e, 0x3c, 0x28, 0x2b, 0x7c,
0x26, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x21, 0x24, 0x2a, 0x29, 0x3b, 0x00,
0x2d, 0x2f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2c, 0x25, 0x5f, 0x3e, 0x3f,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0x3a, 0x23, 0x40, 0x27, 0x3d, 0x22,
0x00, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x7e, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x5e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5b, 0x5d, 0x00, 0x00, 0x00, 0x00,
0x7b, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x7d, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x5c, 0x00, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
static const uint8_t ebcdicFromAscii[256]={
0x00, 0x01, 0x02, 0x03, 0x37, 0x2d, 0x2e, 0x2f, 0x16, 0x05, 0x25, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x3c, 0x3d, 0x32, 0x26, 0x18, 0x19, 0x3f, 0x27, 0x1c, 0x1d, 0x1e, 0x1f,
0x40, 0x5a, 0x7f, 0x7b, 0x5b, 0x6c, 0x50, 0x7d, 0x4d, 0x5d, 0x5c, 0x4e, 0x6b, 0x60, 0x4b, 0x61,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0x7a, 0x5e, 0x4c, 0x7e, 0x6e, 0x6f,
0x7c, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6,
0xd7, 0xd8, 0xd9, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xba, 0xe0, 0xbb, 0xb0, 0x6d,
0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,
0x97, 0x98, 0x99, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xc0, 0x4f, 0xd0, 0xa1, 0x07,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
#endif
#endif
U_CAPI void U_EXPORT2
u_charsToUChars(const char *cs, UChar *us, int32_t length) {
while(length>0) {
#if U_CHARSET_FAMILY==U_ASCII_FAMILY
*us++=(UChar)(uint8_t)(*cs++);
#elif U_CHARSET_FAMILY==U_EBCDIC_FAMILY
*us++=(UChar)asciiFromEbcdic[(uint8_t)(*cs++)];
#else
# error U_CHARSET_FAMILY is not valid
#endif
--length;
}
}
U_CAPI void U_EXPORT2
u_UCharsToChars(const UChar *us, char *cs, int32_t length) {
while(length>0) {
#if U_CHARSET_FAMILY==U_ASCII_FAMILY
*cs++=(char)(*us++);
#elif U_CHARSET_FAMILY==U_EBCDIC_FAMILY
*cs++=(char)ebcdicFromAscii[(uint8_t)(*us++)];
#else
# error U_CHARSET_FAMILY is not valid
#endif
--length;
}
}
/* end of platform-specific implementation */
U_CAPI void U_EXPORT2
u_versionFromString(UVersionInfo versionArray, const char *versionString) {
char *end;
uint16_t part=0;
if(versionArray==NULL) {
return;
}
if(versionString!=NULL) {
for(;;) {
versionArray[part]=(uint8_t)uprv_strtoul(versionString, &end, 10);
if(end==versionString || ++part==U_MAX_VERSION_LENGTH || *end!=U_VERSION_DELIMITER) {
break;
}
versionString=end+1;
}
}
while(part<U_MAX_VERSION_LENGTH) {
versionArray[part++]=0;
}
}
U_CAPI void U_EXPORT2
u_versionToString(UVersionInfo versionArray, char *versionString) {
uint16_t count, part;
uint8_t field;
if(versionString==NULL) {
return;
}
if(versionArray==NULL) {
versionString[0]=0;
return;
}
/* count how many fields need to be written */
for(count=4; count>0 && versionArray[count-1]==0; --count) {
}
if(count <= 1) {
count = 2;
}
/* write the first part */
/* write the decimal field value */
field=versionArray[0];
if(field>=100) {
*versionString++=(char)('0'+field/100);
field%=100;
}
if(field>=10) {
*versionString++=(char)('0'+field/10);
field%=10;
}
*versionString++=(char)('0'+field);
/* write the following parts */
for(part=1; part<count; ++part) {
/* write a dot first */
*versionString++=U_VERSION_DELIMITER;
/* write the decimal field value */
field=versionArray[part];
if(field>=100) {
*versionString++=(char)('0'+field/100);
field%=100;
}
if(field>=10) {
*versionString++=(char)('0'+field/10);
field%=10;
}
*versionString++=(char)('0'+field);
}
/* NUL-terminate */
*versionString=0;
}
U_CAPI void U_EXPORT2
u_getVersion(UVersionInfo versionArray) {
u_versionFromString(versionArray, U_ICU_VERSION);
}
/* u_errorName() ------------------------------------------------------------ */
static const char * const
_uErrorInfoName[U_ERROR_WARNING_LIMIT-U_ERROR_WARNING_START]={
"U_USING_FALLBACK_WARNING",
"U_USING_DEFAULT_WARNING",
"U_SAFECLONE_ALLOCATED_WARNING",
"U_STATE_OLD_WARNING",
"U_STRING_NOT_TERMINATED_WARNING",
"U_SORT_KEY_TOO_SHORT_WARNING",
"U_AMBIGUOUS_ALIAS_WARNING"
};
static const char * const
_uTransErrorName[U_PARSE_ERROR_LIMIT - U_PARSE_ERROR_START]={
"U_BAD_VARIABLE_DEFINITION",
"U_MALFORMED_RULE",
"U_MALFORMED_SET",
"U_MALFORMED_SYMBOL_REFERENCE",
"U_MALFORMED_UNICODE_ESCAPE",
"U_MALFORMED_VARIABLE_DEFINITION",
"U_MALFORMED_VARIABLE_REFERENCE",
"U_MISMATCHED_SEGMENT_DELIMITERS",
"U_MISPLACED_ANCHOR_START",
"U_MISPLACED_CURSOR_OFFSET",
"U_MISPLACED_QUANTIFIER",
"U_MISSING_OPERATOR",
"U_MISSING_SEGMENT_CLOSE",
"U_MULTIPLE_ANTE_CONTEXTS",
"U_MULTIPLE_CURSORS",
"U_MULTIPLE_POST_CONTEXTS",
"U_TRAILING_BACKSLASH",
"U_UNDEFINED_SEGMENT_REFERENCE",
"U_UNDEFINED_VARIABLE",
"U_UNQUOTED_SPECIAL",
"U_UNTERMINATED_QUOTE",
"U_RULE_MASK_ERROR",
"U_MISPLACED_COMPOUND_FILTER",
"U_MULTIPLE_COMPOUND_FILTERS",
"U_INVALID_RBT_SYNTAX",
"U_INVALID_PROPERTY_PATTERN",
"U_MALFORMED_PRAGMA",
"U_UNCLOSED_SEGMENT",
"U_ILLEGAL_CHAR_IN_SEGMENT",
"U_VARIABLE_RANGE_EXHAUSTED",
"U_VARIABLE_RANGE_OVERLAP",
"U_ILLEGAL_CHARACTER",
"U_INTERNAL_TRANSLITERATOR_ERROR",
"U_INVALID_ID",
"U_INVALID_FUNCTION"
};
static const char * const
_uErrorName[U_STANDARD_ERROR_LIMIT]={
"U_ZERO_ERROR",
"U_ILLEGAL_ARGUMENT_ERROR",
"U_MISSING_RESOURCE_ERROR",
"U_INVALID_FORMAT_ERROR",
"U_FILE_ACCESS_ERROR",
"U_INTERNAL_PROGRAM_ERROR",
"U_MESSAGE_PARSE_ERROR",
"U_MEMORY_ALLOCATION_ERROR",
"U_INDEX_OUTOFBOUNDS_ERROR",
"U_PARSE_ERROR",
"U_INVALID_CHAR_FOUND",
"U_TRUNCATED_CHAR_FOUND",
"U_ILLEGAL_CHAR_FOUND",
"U_INVALID_TABLE_FORMAT",
"U_INVALID_TABLE_FILE",
"U_BUFFER_OVERFLOW_ERROR",
"U_UNSUPPORTED_ERROR",
"U_RESOURCE_TYPE_MISMATCH",
"U_ILLEGAL_ESCAPE_SEQUENCE",
"U_UNSUPPORTED_ESCAPE_SEQUENCE",
"U_NO_SPACE_AVAILABLE",
"U_CE_NOT_FOUND_ERROR",
"U_PRIMARY_TOO_LONG_ERROR",
"U_STATE_TOO_OLD_ERROR",
"U_TOO_MANY_ALIASES_ERROR",
"U_ENUM_OUT_OF_SYNC_ERROR",
"U_INVARIANT_CONVERSION_ERROR"
};
static const char * const
_uFmtErrorName[U_FMT_PARSE_ERROR_LIMIT - U_FMT_PARSE_ERROR_START] = {
"U_UNEXPECTED_TOKEN",
"U_MULTIPLE_DECIMAL_SEPERATORS",
"U_MULTIPLE_EXPONENTIAL_SYMBOLS",
"U_MALFORMED_EXPONENTIAL_PATTERN",
"U_MULTIPLE_PERCENT_SYMBOLS",
"U_MULTIPLE_PERMILL_SYMBOLS",
"U_MULTIPLE_PAD_SPECIFIERS",
"U_PATTERN_SYNTAX_ERROR",
"U_ILLEGAL_PAD_POSITION",
"U_UNMATCHED_BRACES",
"U_UNSUPPORTED_PROPERTY",
"U_UNSUPPORTED_ATTRIBUTE"
};
static const char * const
_uBrkErrorName[U_BRK_ERROR_LIMIT - U_BRK_ERROR_START] = {
"U_BRK_ERROR_START",
"U_BRK_INTERNAL_ERROR",
"U_BRK_HEX_DIGITS_EXPECTED",
"U_BRK_SEMICOLON_EXPECTED",
"U_BRK_RULE_SYNTAX",
"U_BRK_UNCLOSED_SET",
"U_BRK_ASSIGN_ERROR",
"U_BRK_VARIABLE_REDFINITION",
"U_BRK_MISMATCHED_PAREN",
"U_BRK_NEW_LINE_IN_QUOTED_STRING",
"U_BRK_UNDEFINED_VARIABLE",
};
U_CAPI const char * U_EXPORT2
u_errorName(UErrorCode code) {
if(U_ZERO_ERROR <= code && code < U_STANDARD_ERROR_LIMIT) {
return _uErrorName[code];
} else if(U_ERROR_WARNING_START <= code && code < U_ERROR_WARNING_LIMIT) {
return _uErrorInfoName[code - U_ERROR_WARNING_START];
} else if(U_PARSE_ERROR_START <= code && code < U_PARSE_ERROR_LIMIT){
return _uTransErrorName[code - U_PARSE_ERROR_START];
} else if(U_FMT_PARSE_ERROR_START <= code && code < U_FMT_PARSE_ERROR_LIMIT){
return _uFmtErrorName[code - U_FMT_PARSE_ERROR_START];
} else if (U_BRK_ERROR_START <= code && code < U_BRK_ERROR_LIMIT){
return _uBrkErrorName[code - U_BRK_ERROR_START];
} else {
return "[BOGUS UErrorCode]";
}
}
/*
* Hey, Emacs, please set the following:
*
* Local Variables:
* indent-tabs-mode: nil
* End:
*
*/
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