atbcommon.c

是一个手机功能的模拟程序

				len = utl_cvt7To8 ((UBYTE *)ipString , ipLength, text_8bit, 0);
				if (len*2 > opLength)
					len = opLength/2;
				for (i = 0; i < len; i++)
				{/*SPR 1508, use new table to convert to Unicode*/
					opString[i*2]   = (g_translation_unicode[ipString[i]]>>8)&0x00FF;
					opString[i*2+1] = g_translation_unicode[UBYTEToChar(text_8bit[i])];
				}
				if (len*2+1 < opLength)
				{
					opString[len*2]   = 0x00;
					opString[len*2+1] = 0x00;
				}
			}
		break;
		
	case MFW_ASCII:
			if (ipLength <=0)
				ipLength = strlen(ipString); //calculate length if not supplied
			if (opDataType == MFW_DCS_UCS2)
			{	//Convert data to unicode
				if (ipLength*2 < opLength)
					len = ipLength;
				else
					len = opLength/2;
				for (i = 0; i < len; i++)
				{	/*SPR 1508, convert to Unicode using new table*/
					opString[i*2]   = (translation_ascii_2_unicode[ ipString[i]]>>8)&0x00FF;
					opString[i*2+1] = (translation_ascii_2_unicode[ ipString[i]])&0x00FF;
				}
				if (len*2+1 < opLength)
				{
					opString[len*2]   = 0x00;
					opString[len*2+1] = 0x00;
				}
			}
			else if (opDataType == MFW_ASCII)
			{	//Data already in correct format - copy
				if (ipLength < opLength)
					len = ipLength;
				else
					len = opLength;
				for (i=0;i<len;i++)
					opString[i] = ipString[i];
				if (len<opLength)
					opString[len] = 0x00;
			}
			else if (opDataType == MFW_DCS_8bits || opDataType == MFW_DCS_7bits)	// SH - translate characters, don't change bit width
			{

				if (ipLength < opLength)
					len = ipLength;
				else
					len = opLength;
				for (i=0;i<len;i++)
					{
					opString[i] = ipString[i];
					if (ipString[i]>=128 || g_translation_ascii_table[ipString[i]]!=ipString[i])
						{
						for (j=0; j<128; j++)			// Reverse translation
							{
							if (ipString[i] == g_translation_ascii_table[j])
								opString[i] = j;
							}
						#ifdef TRACE_SMSREAD
						sprintf(buf, "Converted %x to %x", ipString[i], opString[i]);
						TRACE_EVENT(buf);
						#endif
						}
					}
				if (len<opLength)
					opString[len] = 0x00;
			}
			if (opDataType == MFW_DCS_7bits) // convert data to 7bit
			{
				len = utl_cvt8To7 ((UBYTE *)ipString , ipLength, (UBYTE*)opString, 0);
			}
		break;
	}

	if (addNull)
	{	//Add 0x00 (or 0x00,0x00) to end of array

	/*SPR925 - SH - changed so NULL is in right place for unicode*/
		if (opDataType == MFW_DCS_UCS2)
		{
			if (len*2+1>opLength)
				len = opLength/2;

			opString[len*2] = 0x00;
			opString[len*2+1] = 0x00;
		}
		else
		{
			if (len>opLength)
				len = opLength;

			opString[len] = 0x00;
		}
	/* end SPR925 */
	}
	/*SPR 1991, free memory only if it has been allocated*/
	if (text_8bit!= NULL)
        mfwFree(text_8bit,MAX_STRING_LEN+1);
	return TRUE;
}



/*******************************************************************************

 $Function:    	ATB_mem_Alloc

 $Description:	ATB memory allocation function.
 
 $Returns:		Address if successful, null if not.

 $Arguments:	Size of memory to be allocated.
 
*******************************************************************************/

UBYTE* ATB_mem_Alloc(USHORT size)
{
	return (UBYTE *)mfwAlloc(size);
}


/*******************************************************************************

 $Function:    	ATB_mem_Free

 $Description:	Frees memory allocated by the ATB
 
 $Returns:		None.

 $Arguments:	address		- Pointer to memory to free
 				size		- Size of the allocated block
 
*******************************************************************************/

void ATB_mem_Free(UBYTE* address, USHORT size)
{
	mfwFree(address,size);
	return;
}
/*******************************************************************************

 $Function:		ATB_swap_bytes

 $Description:	Returns a unicode character with the bytes swapped. Added for SPR2175

 $Returns:		USHORT

 $Arguments:	USHORT

*******************************************************************************/
static USHORT ATB_swap_bytes(USHORT character)
{
	return ((UNICODE_NONASCII&character) << 8) + ((UNICODE_ASCII&character) >>8);

}

/*******************************************************************************

 $Function:		ATB_char_GSM

 $Description:	Returns the GSM of the provided ascii character.Added for SPR 2175.

 $Returns:		A GSM character

 $Arguments:	character - The ascii character

*******************************************************************************/

char ATB_char_GSM(char ascii_character)
{	int i;
	/*check if GSM and ASCII encoding are the same value*/
	if (g_translation_ascii_table[ascii_character] == ascii_character)
		return ascii_character;
	
	/*otherwise we have to search for the correct entry in the GSM to ASCII table*/
	for (i=0; i<128; i++)
	{
		if (g_translation_ascii_table[i] == ascii_character)
			return i;

	}
}
/*******************************************************************************

 $Function:		ATB_char_Ascii

 $Description:	Returns the ascii of the provided unicode character

 $Returns:		An ascii character

 $Arguments:	character - The unicode character

*******************************************************************************/

char ATB_char_Ascii(USHORT character)
{	int i;

	/*SPR2175, rewrote function*/
	/*if the first byte of the character is the same as the ASCII code, return the first byte*/
	if (translation_ascii_2_unicode[((character & UNICODE_ASCII)>>8)] == ((character & UNICODE_ASCII)>>8))
		return (char)((character & UNICODE_ASCII)>>8);
	
	/*otherwise we have to search for the correct entry in the ASCII to unicode table*/
	for (i=0; i<256; i++)
	{
		if (translation_ascii_2_unicode[i] == ATB_swap_bytes(character))
			return i;

	}
}


/*******************************************************************************

 $Function:		ATB_char_Unicode

 $Description:	Returns the unicode of the provided ascii character

 $Returns:		A unicode character

 $Arguments:	character - The ascii character

*******************************************************************************/

USHORT ATB_char_Unicode(char character)
{	/*SPR 2175, re-wrote function*/
	USHORT table_value;
	USHORT return_value = NULL;
	/*look up corresponding Unicode char in table*/
	table_value= translation_ascii_2_unicode[character];

	/*swap bytes as little-endian*/
	return_value = ATB_swap_bytes(table_value);

	return return_value;
}


/*******************************************************************************

 $Function:		ATB_char_IsAscii

 $Description:	Returns TRUE if the unicode character provided is ascii

 $Returns:		TRUE or FALSE

 $Arguments:	character - The unicode character

*******************************************************************************/

BOOL ATB_char_IsAscii(USHORT character)
{
	BOOL	result = FALSE;

	if (character & UNICODE_NONASCII)					// Make sure character is ASCII
	{
		result = FALSE;
	}
	else
	{
		result = TRUE;
	}

	return result;
}


/*******************************************************************************

 $Function:		ATB_char_IsAlphabetic

 $Description:	Return TRUE if unicode character is part of latin alphabet

 $Returns:		TRUE or FALSE

 $Arguments:	character - The unicode character

*******************************************************************************/

BOOL ATB_char_IsAlphabetic(USHORT character)
{
	BOOL	result = FALSE;
	UBYTE	asciiChar; 

	if (ATB_char_IsAscii(character))					// Make sure character is ASCII
	{
		asciiChar = ATB_char_Ascii(character);
		if ( (asciiChar >='A') && (asciiChar <='Z') )
			result = TRUE;
		else if ( (asciiChar >='a') && (asciiChar <='z') )
			result = TRUE;
	}

	return result;
}


/*******************************************************************************

 $Function:		ATB_char_IsNumierc

 $Description:	Return TRUE if unicode character is a digit, 0-9

 $Returns:		TRUE or FALSE

 $Arguments:	character - The unicode character

*******************************************************************************/

BOOL ATB_char_IsNumeric(USHORT character)
{
	BOOL	result = FALSE;
	UBYTE	asciiChar;
 
	if (ATB_char_IsAscii(character))				// Make sure character is ASCII
	{
		asciiChar = ATB_char_Ascii(character);
		if ( (asciiChar >='0') && (asciiChar <='9') )
			result = TRUE;
	}

	return result;
}

/*******************************************************************************

 $Function:		ATB_char_IsVisible

 $Description:	Return TRUE if unicode character is visible, i.e. not ascii <32

 $Returns:		TRUE or FALSE

 $Arguments:	character - The unicode character

*******************************************************************************/

BOOL ATB_char_IsVisible(USHORT character)
{
	BOOL	result = TRUE;
	UBYTE	asciiChar; 

	if (ATB_char_IsAscii(character))					// Make sure character is ASCII
	{
		asciiChar = ATB_char_Ascii(character);
		/*SPR 2175, if ASCII value has no unicode equivalent assume not visible*/
		if (translation_ascii_2_unicode[asciiChar] == 0xFFFF)
			result = FALSE;
	}

	return result;
}


/*******************************************************************************

 $Function:		ATB_string_Size

 $Description:	Return the size in bytes of a character in the string

 $Returns:		No. of bytes per character

 $Arguments:	text	- The text string

*******************************************************************************/
  
UBYTE ATB_string_Size(T_ATB_TEXT *text)
{
	UBYTE size;
	
	switch(text->dcs)
	{
		case ATB_DCS_UNICODE:
			size = 2;
			break;

		default:
			size = 1;
			break;
	}
	
	return size;
}


/*******************************************************************************

 $Function:		ATB_string_SetChar

 $Description:	Set a character in the string to a value.  Use this function rather than
 				accessing text data directly; it allows transparent ASCII and Unicode