/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

# include "stlport_prefix.h" 

#include <limits.h>

//madhu - 18/8/06

#include "locale.h"

#include "langinfo.h"

#include <string.h>

#include <stdlib.h>

#include <cwctype>

#include "c_locale.h"

#define	CODECVT_ICONV //Define CODECVT_ICONV to use ICONV APIs for code conversion.

//#define _MESSAGE_CATALOG_

#ifdef	_MESSAGE_CATALOG_

#include <libintl.h>

#endif

# ifdef _STLP_REAL_LOCALE_IMPLEMENTED

// here, we'll put C locale implementation for those compilers where

// it has to be done in C++

# else

/* This is a "stub" implementation of the "c_locale.h" interface,

   intended for operating systems where we have not yet written

   a real implementation.  A C++ library using this stub implementation

   is still standard-conforming, since the C++ standard does not require

   that any locales other than "C" be supported.

*/

#if 0 //Madhu - 18/8/06

/* Framework functions */

struct _Locale_ctype    /* { } */ ;

struct _Locale_numeric  /* { } */;

struct _Locale_time      /* { } */;

struct _Locale_collate   /*{ } */;

struct _Locale_monetary  /* { } */;

struct _Locale_messages  /* { } */;

#endif //#if 0

#ifdef CODECVT_ICONV

#include <iconv.h>

#include <errno.h>

#define	UNICODESTR	"UCS2"

struct node;

enum CONVWAY

{

	IN = 0,

	OUT

};

typedef struct node

{

	mbstate_t	*state;

	iconv_t		in_iconvstate;

	iconv_t		out_iconvstate;

	struct node  *next;

}StateList;

void BEtoLE(wchar_t* src, int size)

{

	int i = 0;

	for (i = 0;i<size;i++)

		src[i] = (src[i]>>8) | (src[i]<<8);

}

void ExtractCodeset(char* name, char* codeset)

{

	char* temp = strstr(name,".");

	if( temp != NULL)

		{

		temp++;

		while ( (*temp)&&(*temp!='=') )

		*codeset++ = *temp++;

		}

}

int AddState(StateList **list, iconv_t icnvstate, mbstate_t* state, enum CONVWAY way)

{

	StateList *temp = *list;

	StateList *newnode = NULL;

	while(temp)

	{

		if (temp->state == state)	

			break;

		temp = temp->next;

	}

	if (!temp)

	{		

		newnode = new StateList;

		if (newnode == NULL)

			return 0;

		newnode->next = NULL;

		newnode->state = state;

		newnode->in_iconvstate = newnode->out_iconvstate = NULL;

	}

	if(newnode)

		temp = newnode;

	if (!way)

		temp->in_iconvstate = icnvstate;

	else

		temp->out_iconvstate = icnvstate;

	if (*list == NULL)

	{

		*list = temp;

		return 1;	

	}

	else if(newnode)

	{

		StateList *move = *list;

		while(move->next)

			move = move->next;

		move->next = temp;

	}

	return 1;	

}

iconv_t	GetState(StateList *list, mbstate_t* state, enum CONVWAY way)

{

	while(list)

	{

		if (list->state == state)

		{

			if (!way)

				return (iconv_t)list->in_iconvstate;

			else

				return (iconv_t)list->out_iconvstate;

		}

		list = list->next;

	}

	return NULL;

}

void DeleteAllStates(StateList *list)

{	

	while(list)

	{

		StateList *temp =list ;

		iconv_close(temp->in_iconvstate);

		iconv_close(temp->out_iconvstate);

		list = list->next;

		delete temp;

	}

}

#endif

//Madhu - locale function definitions - START

//Madhu - temporarily hardcoded system default locale - 18/8/06

#define LOCALE_SYSTEM_DEFAULT	"C"

#define	MAX_NAME_LEN	64	

char	presentLocaleName[64]; // Stores present locale name.

#if defined (__GNUC__) || defined (_KCC) || defined(__ICC)

typedef unsigned short int _Locale_mask_t;

#else

typedef unsigned int _Locale_mask_t;

#endif

typedef struct _Locale_ctype { 

	char name[MAX_NAME_LEN];

	_Locale_mask_t	ctable[257];	

#ifdef CODECVT_ICONV

	StateList *statelist;

	~_Locale_ctype() 

	{

		DeleteAllStates(statelist);

	}

#endif

} L_ctype_t;

typedef struct _Locale_numeric	{  

  char name[MAX_NAME_LEN];

  char decimal_point[4];

  char thousands_sep[4];

  char *grouping;

} L_numeric_t;

typedef struct _Locale_time	{  

  char name[MAX_NAME_LEN];

  char *month[12];

  char *abbrev_month[12];

  char *dayofweek[7];

  char *abbrev_dayofweek[7];

} L_time_t;

typedef struct _Locale_collate	{

  char name[MAX_NAME_LEN];

} L_collate_t;

typedef struct _Locale_monetary	{  

  char name[MAX_NAME_LEN]; 

  char decimal_point[4];

  char thousands_sep[4];

  char *grouping;

  char int_curr_symbol[5]; // 3+1+1

  char curr_symbol[6];

  char negative_sign[5];

  char positive_sign[5];

  int frac_digits; 

  int int_frac_digits;

} L_monetary_t;

typedef struct _Locale_messages	{

  char name[MAX_NAME_LEN];

  char* domain;

} L_messages_t;

char* __getString(char* str)

{

	int len = strlen(str)+1;

	char* temp = (char*) new char[len];

	strcpy(temp, str);

	return temp;

}

/* Common function to set locale information */

#if 0

static void* Locale_Common_Create(const char* locale)

{

	setlocale(LC_ALL, locale);

	return (void*) localeconv();

}

#endif

/* Gets the system locale name */

static const char* Locale_common_default( char* name)

{

#if 0

	char* presentLocalename = NULL;

	char* defaultLocalename = NULL;

	//Madhu - going round to get default system locale, need to find alternative - 18/8/96

	presentLocalename = setlocale(LC_ALL, NULL);

	defaultLocalename = setlocale(LC_ALL, "");

	setlocale(LC_ALL, presentLocalename);

#endif

	if(name!=NULL)

		strcpy(name,LOCALE_SYSTEM_DEFAULT);

	return LOCALE_SYSTEM_DEFAULT;

}

#if 0

/* Gets the present locale name */ 

static char* Locale_common_name(const void* cat, char* name)

{

#if 0

	char* presentLocalename = NULL;

	presentLocalename = setlocale(LC_ALL, NULL);

	strcpy(name,presentLocalename);

	return presentLocalename;

#endif	

	L_ctype_t* locale = (L_ctype_t*) cat;

	strcpy(name,locale->name);

	return name;

}

#endif

/* */

static char * Locale_extract_name ( const char *cname, char *into, int category )

{

  int i = 0;

  const char * end;

const char* strstar = "*", *strnull = "";

  if ( cname[0] != '/' )

  {

  	if (strcmp(cname,strnull) == 0)

  		return strcpy(into, strstar);

  	else

  		return strcpy(into, cname); /* simple locale name */

  }

  for ( i = 0; i <= category; i ++ ) {

    while ( *cname != '\0' && *cname != '/' )

      cname++;

    if ( *cname == '\0' )

      return into;

    cname++;

  }

  if ( *cname == '\0' )

    return into;

  end = cname;

  while ( *end != '\0' && *end != '/' )

    end++;

  strncpy ( into, cname, end - cname );

  into [ end - cname ] = '\0';

  return into;

}

# ifdef __cplusplus

_STLP_BEGIN_NAMESPACE //Madhu - moved to here

extern "C" {

_Locale_mask_t  Get_locale_wchar_ctype(wint_t wc, _Locale_mask_t  /*mask*/)

{

	_Locale_mask_t  ret = 0;

	if (iswcntrl(wc))  ret |= _Locale_CNTRL;

	if (iswupper(wc))  ret |= _Locale_UPPER;

	if (iswlower(wc))  ret |= _Locale_LOWER;

	if (iswdigit(wc))  ret |= _Locale_DIGIT;

	if (iswxdigit(wc)) ret |= _Locale_XDIGIT;

	if (iswpunct(wc))  ret |= _Locale_PUNCT;

	if (iswspace(wc))  ret |= _Locale_SPACE;

	if (iswprint(wc))  ret |= _Locale_PRINT;

	if (iswalpha(wc))  ret |= _Locale_ALPHA;

	return ret;

}

_Locale_mask_t  Get_locale_char_ctype(unsigned char c)

{

	_Locale_mask_t  ret = 0;

	if (iscntrl(c))  ret |= _Locale_CNTRL;

	if (isupper(c))  ret |= _Locale_UPPER;

	if (islower(c))  ret |= _Locale_LOWER;

	if (isdigit(c))  ret |= _Locale_DIGIT;

	if (isxdigit(c)) ret |= _Locale_XDIGIT;

	if (ispunct(c))  ret |= _Locale_PUNCT;

	if (isspace(c))  ret |= _Locale_SPACE;

	if (isprint(c))  ret |= _Locale_PRINT;

	if (isalpha(c))  ret |= _Locale_ALPHA;

	return ret;

}

//Madhu - locale function definitions - END

//# ifdef __cplusplus

//_STLP_BEGIN_NAMESPACE

# define __DUMMY_PAR

# define __DUMMY_PAR1

# define __DUMMY_PAR2

# define __DUMMY_PAR3

# define __DUMMY_PAR4

# define __DUMMY_PAR5

# define __DUMMY_PAR6

# define __DUMMY_PAR7

# define __DUMMY_PAR8

# endif

 void* _Locale_ctype_create(const char * name)

 { 

 	unsigned char buffer[256];

	int i;

	_Locale_mask_t* ctable;

 	L_ctype_t *plocCType = (L_ctype_t*) new (L_ctype_t);

 	if (!plocCType)

		return NULL;

 	strcpy(plocCType->name, name);

	char* ptemp = setlocale(LC_CTYPE, name); 

	if (!ptemp)

		return NULL;

 	ctable = plocCType->ctable;

	/* Partial implementation for ANSI code page, need to implement for DBCS code pages*/

	/* Make table with all characters. */

    for(i = 0; i < 256; i++) buffer[i] = i;

    for (i=0;i<256;i++)

    {

    	ctable[i+1] = Get_locale_char_ctype(buffer[i]);	

    }	

 	ctable[0] = 0; //EOF

#ifdef CODECVT_ICONV

	plocCType->statelist = NULL;	

#endif 	

 	return plocCType;

 }

 void* _Locale_numeric_create(const char *name)

 { 

 	L_numeric_t *plocNumeric = (L_numeric_t *)new (L_numeric_t);

 	struct lconv *plconv;

 	if (!plocNumeric)

		return NULL; 	

 	strcpy(plocNumeric->name, name);

	char* ptemp = setlocale(LC_NUMERIC, name); 

	if (!ptemp)

		return NULL;

 	plconv = localeconv();

 	//copy locale numeric data to local structure

 	strcpy(plocNumeric->decimal_point, plconv->decimal_point);

 	plocNumeric->grouping = __getString(plconv->grouping);

 	strcpy(plocNumeric->thousands_sep, plconv->thousands_sep);

  	return plocNumeric; 

 }

 void*_Locale_time_create(const char * name)

 { 

 	L_time_t *plocTime = (L_time_t *)new(L_time_t);

 	//struct lconv *plconv;

 	if (!plocTime )

		return NULL; 	

 	strcpy(plocTime ->name, name);

	char* ptemp = setlocale(LC_TIME, name); 

	if (!ptemp)

		return NULL;

 	//plconv = localeconv();

 	int i;

 	int index = (MON_1);

 	//Get all month names

 	for (i = 0;i<12;i++,index++)

 		plocTime->month[i] = __getString(nl_langinfo(index)); 	

 	//Get all abbrevated month names

 	index = (ABMON_1);

 	for (i = 0;i<12;i++,index++)

 		plocTime->abbrev_month[i] = __getString(nl_langinfo(index));

  	//Get all weekday names

 	index = (DAY_1);

 	for (i = 0;i<7;i++,index++)

 		plocTime->dayofweek[i] = __getString(nl_langinfo(index));

  	//Get all weekday names

 	index = (ABDAY_1);

 	for (i = 0;i<7;i++,index++)

 		plocTime->abbrev_dayofweek[i] = __getString(nl_langinfo(index));

 	return plocTime;

 }

 void* _Locale_collate_create(const char *name)

 { 

 	L_collate_t *plocCollate = (L_collate_t *)new(L_collate_t);

 	if (!plocCollate)

		return NULL; 	

 	strcpy(plocCollate->name, name);

 	return plocCollate;

 }

 void* _Locale_monetary_create(const char * name)

 { 

 	L_monetary_t *plocMonetary = (L_monetary_t *)new(L_monetary_t);

 	struct lconv *plconv;

 	if (!plocMonetary)

		return NULL; 	

 	strcpy(plocMonetary->name, name);

	char* ptemp = setlocale(LC_MONETARY, name); 

	if (!ptemp)

		return NULL;

 	plconv = localeconv();

 	strcpy(plocMonetary->decimal_point,plconv->mon_decimal_point);

  	strcpy(plocMonetary->thousands_sep, plconv->mon_thousands_sep);

  	plocMonetary->grouping = __getString(plconv->mon_grouping);

  	strcpy(plocMonetary->int_curr_symbol, plconv->int_curr_symbol); // 3+1+1

  	strcpy(plocMonetary->curr_symbol, plconv->currency_symbol);

  	strcpy(plocMonetary->negative_sign, plconv->negative_sign);

  	strcpy(plocMonetary->positive_sign, plconv->positive_sign);