gecko-dev/cmd/macfe/utility/locale.cp
1998-03-28 02:44:41 +00:00

369 lines
11 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
/* locale.h
* FE support for xp_locale stuff
*/
#include "xplocale.h"
#include "macutil.h"
#include <IntlResources.h>
#include "uprefd.h"
#include "xpassert.h"
#include "csid.h"
#include "structs.h"
#include "intl_csi.h"
long WinCharsetIDToScript(UInt16 wincsid);
Intl1Hndl GetItl1Resource(long scriptcode);
Intl0Hndl GetItl0Resource(long scriptcode);
void AbbrevWeekdayString(DateTimeRec &dateTime, Str255 weekdayString, Intl1Hndl Itl1RecordHandle );
/* FE_StrColl
* -1, 0, 1 return guaranteed
*/
int FE_StrColl(const char* s1, const char* s2)
{
long scriptcode;
// get system script code
scriptcode = ::GetScriptManagerVariable(smSysScript);
// get itlb of the system script
ItlbRecord **ItlbRecordHandle;
ItlbRecordHandle = (ItlbRecord **)::GetResource('itlb', scriptcode);
// get itl2 number of current system script from itlb if possible
// otherwise, try script manager (Script manager won't update
// itl2 number when the change on the fly )
long itl2num;
if(ItlbRecordHandle != NULL)
{
if(*ItlbRecordHandle == NULL)
::LoadResource((Handle)ItlbRecordHandle);
if(*ItlbRecordHandle != NULL)
itl2num = (*ItlbRecordHandle)->itlbSort;
else
itl2num = ::GetScriptVariable(scriptcode, smScriptSort);
} else { /* Use this as fallback */
itl2num = ::GetScriptVariable(scriptcode, smScriptSort);
}
// get itl2 resource
Handle itl2Handle;
itl2Handle = ::GetResource('itl2', itl2num);
// call CompareText with itl2Handle
// We don't need to check itl2Handle here. CompareText will use
// default system sorting if itl2Handle is null
return( (int) CompareText(s1, s2,
strlen(s1), strlen(s2), itl2Handle));
}
long WinCharsetIDToScript(UInt16 wincsid)
{
CCharSet font;
if(CPrefs::GetFont((wincsid & ~ CS_AUTO), &font ))
return font.fFallbackFontScriptID;
else
return smRoman;
}
Intl1Hndl GetItl1Resource(long scriptcode)
{
// get itlb from currenty system script
ItlbRecord **ItlbRecordHandle;
ItlbRecordHandle = (ItlbRecord **)::GetResource('itlb', scriptcode);
// get itl1 number from itlb resource, if possible
// otherwise, use the one return from script manager,
// (Script manager won't update itl1 number when the change on the fly )
long itl1num;
if(ItlbRecordHandle != NULL)
{
if(*ItlbRecordHandle == NULL)
::LoadResource((Handle)ItlbRecordHandle);
if(*ItlbRecordHandle != NULL)
itl1num = (*ItlbRecordHandle)->itlbDate;
else
itl1num = ::GetScriptVariable(scriptcode, smScriptDate);
} else { // Use this as fallback
itl1num = ::GetScriptVariable(scriptcode, smScriptDate);
}
// get itl1 resource
Intl1Hndl Itl1RecordHandle;
Itl1RecordHandle = (Intl1Hndl)::GetResource('itl1', itl1num);
return Itl1RecordHandle;
}
Intl0Hndl GetItl0Resource(long scriptcode)
{
// get itlb from currenty system script
ItlbRecord **ItlbRecordHandle;
ItlbRecordHandle = (ItlbRecord **)::GetResource('itlb', scriptcode);
// get itl0 number from itlb resource, if possible
// otherwise, use the one return from script manager,
// (Script manager won't update itl1 number when the change on the fly )
long itl0num;
if(ItlbRecordHandle != NULL)
{
if(*ItlbRecordHandle == NULL)
::LoadResource((Handle)ItlbRecordHandle);
if(*ItlbRecordHandle != NULL)
itl0num = (*ItlbRecordHandle)->itlbNumber;
else
itl0num = ::GetScriptVariable(scriptcode, smScriptNumber);
} else { // Use this as fallback
itl0num = ::GetScriptVariable(scriptcode, smScriptNumber);
}
// get itl1 resource
Intl0Hndl Itl0RecordHandle;
Itl0RecordHandle = (Intl0Hndl)::GetResource('itl0', itl0num);
return Itl0RecordHandle;
}
void AbbrevWeekdayString(DateTimeRec &dateTime, Str255 weekdayString, Intl1Hndl Itl1RecordHandle )
{
Boolean gotit = false;
// If we can get itl1Resource, exam it.
if(Itl1RecordHandle != NULL )
{
if(*Itl1RecordHandle == NULL)
::LoadResource((Handle)Itl1RecordHandle);
if(*Itl1RecordHandle == NULL)
{
weekdayString[0] = 0;
return;
}
// if itl1 resource is in the itl1ExtRec format
// look at the additional table
// See IM-Text Appendix B for details
if((unsigned short)((*Itl1RecordHandle)->localRtn[0]) == 0xA89F)
{ // use itl1ExtRect
Itl1ExtRec **Itl1ExtRecHandle;
Itl1ExtRecHandle = (Itl1ExtRec **) Itl1RecordHandle;
// check abbrevDaysTableLength and abbrevDaysTableOffset
if(((*Itl1ExtRecHandle)->abbrevDaysTableLength != 0) &&
((*Itl1ExtRecHandle)->abbrevDaysTableOffset != 0))
{
// use the additional table for abbreviation weekday name
// Japanese use it.
// Start Pointer access to Handle, no HLock since we don't
// call any API here.
// Be careful when you debug- don't move memory :)
Ptr abTablePt;
short itemlen;
// Ok, change it back to range [0-6]
short weekday = dateTime.dayOfWeek - 1;
abTablePt = (Ptr)(*Itl1ExtRecHandle);
abTablePt += (*Itl1ExtRecHandle)->abbrevDaysTableOffset;
// first 2 byte in the table should be the count.
itemlen = (short) *((short*)abTablePt);
abTablePt += 2;
if(weekday < itemlen)
{
unsigned char len;
short i;
// iterate till we hit the weekday name we want
for(i = 0 ; i < weekday ; i++)
{
len = *abTablePt;
// shift to the next one. don't forget the len byte itself.
abTablePt += len + 1;
}
// Ok, we got it, let's copy it.
len = *abTablePt;
::BlockMoveData(abTablePt,&weekdayString[0] ,len+1);
gotit = true;
}
}
}
// didn't get it. Either it is not in itl1ExtRect format or it don't have
// additional abbreviation table.
// use itl1Rect instead.
if(! gotit)
{
// get abbreviation length
// not the length is not always 3. Some country use longer (say 4)
// abbreviation.
short abbrLen = (*Itl1RecordHandle)->abbrLen;
// Fix Traditional Chinese problem
if(((((*Itl1RecordHandle)->intl1Vers) >> 8) == verTaiwan ) &&
(abbrLen == 4) &&
((*Itl1RecordHandle)->days[0][0] == 6) &&
((*Itl1RecordHandle)->days[1][0] == 6) &&
((*Itl1RecordHandle)->days[2][0] == 6) &&
((*Itl1RecordHandle)->days[3][0] == 6) &&
((*Itl1RecordHandle)->days[4][0] == 6) &&
((*Itl1RecordHandle)->days[5][0] == 6) &&
((*Itl1RecordHandle)->days[6][0] == 6))
{
abbrLen = 6;
}
weekdayString[0] = abbrLen;
// copy the weekday name with that abbreviation length
::BlockMoveData(&((*Itl1RecordHandle)->days[dateTime.dayOfWeek-1][1]),
&weekdayString[1] , abbrLen);
gotit = true;
}
}
else
{ // cannot get itl1 resource, return with null string.
weekdayString[0] = 0;
}
}
size_t FE_StrfTime(MWContext* context, char *result, size_t maxsize, int format,
const struct tm *timeptr)
{
Str255 timeString;
int32 dateTime;
DateTimeRec macDateTime;
// convert struct tm to input format of mac toolbox call
XP_ASSERT(timeptr->tm_year >= 0);
XP_ASSERT(timeptr->tm_mon >= 0);
XP_ASSERT(timeptr->tm_mday >= 0);
XP_ASSERT(timeptr->tm_hour >= 0);
XP_ASSERT(timeptr->tm_min >= 0);
XP_ASSERT(timeptr->tm_sec >= 0);
XP_ASSERT(timeptr->tm_wday >= 0);
// Mac need a number from 1904 to 2040
// tm only provide the last two digit of the year */
macDateTime.year = timeptr->tm_year + 1900;
// Mac use 1 for Jan and 12 for Dec
// tm use 0 for Jan and 11 for Dec
macDateTime.month = timeptr->tm_mon + 1;
macDateTime.day = timeptr->tm_mday;
macDateTime.hour = timeptr->tm_hour;
macDateTime.minute = timeptr->tm_min;
macDateTime.second = timeptr->tm_sec;
// Mac use 1 for sunday 7 for saturday
// tm use 0 for sunday 6 for saturday
macDateTime.dayOfWeek = timeptr->tm_wday +1 ;
::DateToSeconds( &macDateTime, (unsigned long *) &dateTime);
INTL_CharSetInfo c = LO_GetDocumentCharacterSetInfo(context);
long scriptcode = WinCharsetIDToScript(INTL_GetCSIWinCSID(c));
Handle itl1Handle = (Handle) GetItl1Resource(scriptcode);
Handle itl0Handle = (Handle) GetItl0Resource(scriptcode);
// get time string
if(format == XP_LONG_DATE_TIME_FORMAT)
::TimeString(dateTime, TRUE, timeString, itl0Handle);
else
::TimeString(dateTime, FALSE, timeString, itl0Handle);
switch(format)
{
case XP_TIME_FORMAT:
{
if (timeString[0] >= maxsize) {
result[0] = '\0';
return(0);
}
// just copy the time string
if(timeString[0] > 0)
::BlockMoveData(&timeString[1], result , timeString[0]);
result[ timeString[0]] = '\0';
return ( timeString[0] );
}
case XP_LONG_DATE_TIME_FORMAT:
case XP_WEEKDAY_TIME_FORMAT:
case XP_DATE_TIME_FORMAT:
{
Str255 dateString;
switch(format)
{
case XP_LONG_DATE_TIME_FORMAT:
::DateString(dateTime, abbrevDate, dateString, itl1Handle);
break;
case XP_DATE_TIME_FORMAT:
::DateString(dateTime, shortDate, dateString, itl0Handle);
break;
case XP_WEEKDAY_TIME_FORMAT:
AbbrevWeekdayString(macDateTime, dateString, (Intl1Hndl)itl1Handle);
// try fallback if it return with null string.
if(dateString[0] == 0)
{ // cannot get weekdayString from itl1 , try fallback
dateString[0] = strftime((char*)&dateString[1],254,"%a",timeptr);
}
break;
}
// Append the date string and time string tother. seperate with " "
if((dateString[0]+timeString[0] + 1) >= maxsize) {
// try put dateString only
if(dateString[0] >= maxsize)
{
result[0] = '\0';
return(0);
}
else
{ // we don't have space for Date and Time . So , just put date there
if(dateString[0] > 0)
::BlockMoveData(&dateString[1], result , dateString[0]);
result[ dateString[0]] = '\0';
return ( dateString[0] );
}
} else {
int dlen; // we need to rescan the datestring because a bug in Cyrillic itl1
for(dlen=0;(dlen < dateString[0]) && (dateString[dlen+1] != '\0'); dlen++)
;
// just incase dateString got a null string
if(dlen > 0)
::BlockMoveData(&dateString[1], result , dlen);
result[ dlen] = ' ';
// just incase timeString got a null string
if(timeString[0] > 0)
::BlockMoveData(&timeString[1], &result[dlen+1] , timeString[0]);
result[ dlen+timeString[0] + 1] = '\0';
return ( dlen+timeString[0] + 1);
}
}
break;
default:
result[0] = '\0';
return(0);
break;
}
}