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XKBCvt.c
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1999-11-02
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/* $TOG: XKBCvt.c /main/35 1998/05/30 20:29:41 kaleb $ */
/*
Copyright 1988, 1989, 1998 The Open Group
All Rights Reserved.
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of The Open Group shall
not be used in advertising or otherwise to promote the sale, use or
other dealings in this Software without prior written authorization
from The Open Group.
*/
/* $XFree86: xc/lib/X11/XKBCvt.c,v 3.13.2.4 1998/10/21 06:40:37 dawes Exp $ */
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <X11/X.h>
#include <X11/Xlib.h>
#define NEED_EVENTS
#include "Xlib_private.h"
#include "Xlcint.h"
#include "XlcPubI.h"
#include <X11/Xutil.h>
#include <X11/Xmd.h>
#define XK_LATIN1
#define XK_PUBLISHING
#include <X11/keysym.h>
#include <X11/extensions/XKBproto.h>
#include "XKBlibint.h"
#include <X11/Xlocale.h>
#include <ctype.h>
#include <X11/Xos.h>
#ifdef __sgi_not_xconsortium
#define XKB_EXTEND_LOOKUP_STRING
#endif
#ifdef X_NOT_STDC_ENV
extern char *getenv();
#endif
#ifdef __STDC__
#define Const const
#else
#define Const /**/
#endif
#if defined(__STDC__) && !defined(NORCONST)
#define RConst const
#else
#define RConst /**/
#endif
/* bit (1<<i) means character is in codeset i at the same codepoint */
extern unsigned int _Xlatin1[];
/* bit (1<<i) means character is in codeset i at the same codepoint */
extern unsigned int _Xlatin2[];
/* maps Cyrillic keysyms to KOI8-R */
extern unsigned char _Xkoi8[];
extern unsigned short _Xkoi8_size;
#define sLatin1 0
#define sLatin2 1
#define sLatin3 2
#define sLatin4 3
#define sKana 4
#define sX0201 0x01000004
#define sArabic 5
#define sCyrillic 6
#define sGreek 7
#define sAPL 11
#define sHebrew 12
#define sThai 13
#define sKorean 14
#define sLatin5 15
#define sLatin6 16
#define sLatin7 17
#define sLatin8 18
#define sLatin9 19
#define sCurrency 32
static unsigned long WantLatin1 = sLatin1;
static unsigned long WantLatin2 = sLatin2;
static unsigned long WantLatin3 = sLatin3;
static unsigned long WantLatin4 = sLatin4;
static unsigned long WantLatin5 = sLatin5;
static unsigned long WantLatin6 = sLatin6;
static unsigned long WantKana = sKana;
static unsigned long WantX0201 = sX0201;
static unsigned long WantArabic = sArabic;
static unsigned long WantCyrillic = sCyrillic;
static unsigned long WantGreek = sGreek;
static unsigned long WantAPL = sAPL;
static unsigned long WantHebrew = sHebrew;
static int
#if NeedFunctionPrototypes
_XkbHandleSpecialSym(KeySym keysym, char *buffer, int nbytes, int *extra_rtrn)
#else
_XkbHandleSpecialSym(keysym, buffer, nbytes, extra_rtrn)
KeySym keysym;
char *buffer;
int nbytes;
int * extra_rtrn;
#endif
{
DBUG_ENTER("_XkbHandleSpecialSym")
/* try to convert to Latin-1, handling ctrl */
if (!(((keysym >= XK_BackSpace) && (keysym <= XK_Clear)) ||
(keysym == XK_Return) || (keysym == XK_Escape) ||
(keysym == XK_KP_Space) || (keysym == XK_KP_Tab) ||
(keysym == XK_KP_Enter) ||
((keysym >= XK_KP_Multiply) && (keysym <= XK_KP_9)) ||
(keysym == XK_KP_Equal) ||
(keysym == XK_Delete)))
DBUG_RETURN(0);
if (nbytes<1) {
if (extra_rtrn)
*extra_rtrn= 1;
DBUG_RETURN(0);
}
/* if X keysym, convert to ascii by grabbing low 7 bits */
if (keysym == XK_KP_Space)
buffer[0] = XK_space & 0x7F; /* patch encoding botch */
else if (keysym == XK_hyphen)
buffer[0] = (char)(XK_minus & 0xFF); /* map to equiv character */
else buffer[0] = (char)(keysym & 0x7F);
DBUG_RETURN(1);
}
extern int
_XGetCharCode (
#if NeedFunctionPrototypes
unsigned long, KeySym, char*, int
#endif
);
/*ARGSUSED*/
int
#if NeedFunctionPrototypes
_XkbKSToKnownSet ( XPointer priv,
KeySym keysym,
char * buffer,
int nbytes,
int * extra_rtrn)
#else
_XkbKSToKnownSet (priv, keysym, buffer, nbytes, extra_rtrn)
XPointer priv;
KeySym keysym;
char *buffer;
int nbytes;
int *extra_rtrn;
#endif
{
DBUG_ENTER("_XkbKSToKnownSet")
unsigned long kset,keysymSet;
int count,isLatin1,result;
char tbuf[8],*buf;
if (extra_rtrn)
*extra_rtrn= 0;
keysymSet = *((unsigned long *)priv);
kset = keysymSet&0xffffff;
/* convert "dead" diacriticals for dumb applications */
if ( (keysym&0xffffff00)== 0xfe00 ) {
switch ( keysym ) {
case XK_dead_grave: keysym = XK_grave; break;
case XK_dead_acute: keysym = XK_acute; break;
case XK_dead_circumflex: keysym = XK_asciicircum; break;
case XK_dead_tilde: keysym = XK_asciitilde; break;
case XK_dead_macron: keysym = XK_macron; break;
case XK_dead_breve: keysym = XK_breve; break;
case XK_dead_abovedot: keysym = XK_abovedot; break;
case XK_dead_diaeresis: keysym = XK_diaeresis; break;
case XK_dead_abovering: keysym = XK_degree; break;
case XK_dead_doubleacute: keysym = XK_doubleacute; break;
case XK_dead_caron: keysym = XK_caron; break;
case XK_dead_cedilla: keysym = XK_cedilla; break;
case XK_dead_ogonek : keysym = XK_ogonek; break;
case XK_dead_iota: keysym = XK_Greek_iota; break;
#ifdef XK_KATAKANA
case XK_dead_voiced_sound: keysym = XK_voicedsound; break;
case XK_dead_semivoiced_sound:keysym = XK_semivoicedsound; break;
#endif
}
}
isLatin1 = ((keysym&0xffffff00)==0);
count = 0;
if (nbytes<1) buf= tbuf;
else buf= buffer;
if ((keysym&0xffffff00)==0xff00) {
result = _XkbHandleSpecialSym(keysym, buf, nbytes, extra_rtrn);
} else {
result = _XGetCharCode (keysymSet, keysym, buf, nbytes);
}
DBUG_RETURN(result);
}
typedef struct _XkbToKS {
unsigned prefix;
char *map;
} XkbToKS;
/*ARGSUSED*/
static KeySym
#if NeedFunctionPrototypes
_XkbKnownSetToKS(XPointer priv,char *buffer,int nbytes,Status *status)
#else
_XkbKnownSetToKS(priv,buffer,nbytes,status)
XPointer priv;
char *buffer;
int nbytes;
Status *status;
#endif
{
DBUG_ENTER("_XkbKnownSetToKS")
if (nbytes!=1)
DBUG_RETURN(NoSymbol);
if (((buffer[0]&0x80)==0)&&(buffer[0]>=32)) {
DBUG_RETURN(buffer[0]);
} else if ((buffer[0]&0x7f)>=32) {
XkbToKS *map= (XkbToKS *)priv;
if ( map ) {
if ( map->map ) { DBUG_RETURN(map->prefix|map->map[buffer[0]&0x7f]);
} else DBUG_RETURN(map->prefix|buffer[0]);
}
DBUG_RETURN(buffer[0]);
}
DBUG_RETURN(NoSymbol);
}
/*ARGSUSED*/
int
#if NeedFunctionPrototypes
_XkbKSToThai ( XPointer priv,
KeySym keysym,
char * buffer,
int nbytes,
int * extra_rtrn)
#else
_XkbKSToThai (priv, keysym, buffer, nbytes, extra_rtrn)
XPointer priv;
KeySym keysym;
char *buffer;
int nbytes;
int *extra_rtrn;
#endif
{
DBUG_ENTER("_XkbKSToThai")
if ((keysym&0xffffff00)==0xff00) {
int result = _XkbHandleSpecialSym(keysym, buffer, nbytes, extra_rtrn);
DBUG_RETURN(result);
}
else if (((keysym&0xffffff80)==0xd80)||((keysym&0xffffff80)==0)) {
if (nbytes>0) {
buffer[0]= (char)(keysym&0xff);
if (nbytes>1)
buffer[1]= '\0';
DBUG_RETURN(1);
}
if (extra_rtrn)
*extra_rtrn= 1;
}
DBUG_RETURN(0);
}
/*ARGSUSED*/
static KeySym
#if NeedFunctionPrototypes
_XkbThaiToKS(XPointer priv,char *buffer,int nbytes,Status *status)
#else
_XkbThaiToKS(priv,buffer,nbytes,status)
XPointer priv;
char *buffer;
int nbytes;
Status *status;
#endif
{
if (nbytes!=1)
return NoSymbol;
if (((buffer[0]&0x80)==0)&&(buffer[0]>=32))
return buffer[0];
else if ((buffer[0]&0x7f)>=32) {
return 0xd00|buffer[0];
}
return NoSymbol;
}
static KeySym
#if NeedFunctionPrototypes
__XkbDefaultToUpper(KeySym sym)
#else
__XkbDefaultToUpper(sym)
KeySym sym;
#endif
{
KeySym lower,upper;
XConvertCase(sym, &lower, &upper);
return upper;
}
static int _XkbKSToKoi8 (priv, keysym, buffer, nbytes, status)
XPointer priv;
KeySym keysym;
char *buffer;
int nbytes;
Status *status;
{
if ((keysym&0xffffff00)==0xff00) {
return _XkbHandleSpecialSym(keysym, buffer, nbytes, status);
}
else if (((keysym&0xffffff80)==0x680)||((keysym&0xffffff80)==0)) {
if (nbytes>0) {
if ( (keysym&0x80)==0 )
buffer[0] = keysym&0x7f;
else buffer[0] = _Xkoi8[keysym & 0x7f];
if (nbytes>1)
buffer[1]= '\0';
return 1;
}
}
return 0;
}
static KeySym
_XkbKoi8ToKS(priv,buffer,nbytes,status)
XPointer priv;
char *buffer;
int nbytes;
Status *status;
{
if (nbytes!=1)
return NoSymbol;
if (((buffer[0]&0x80)==0)&&(buffer[0]>=32))
return buffer[0];
else if ((buffer[0]&0x7f)>=32) {
register int i;
for (i=0;i<_Xkoi8_size;i++) {
if (_Xkoi8[i]==buffer[0])
return 0x680|i;
}
}
return NoSymbol;
}
/***====================================================================***/
static XkbConverters RConst cvt_ascii = {
_XkbKSToKnownSet,(XPointer)&WantLatin1,_XkbKnownSetToKS,NULL,__XkbDefaultToUpper
};
static XkbConverters RConst cvt_latin1 = {
_XkbKSToKnownSet,(XPointer)&WantLatin1,_XkbKnownSetToKS,NULL,NULL
};
static XkbConverters RConst cvt_latin2 = {
_XkbKSToKnownSet,(XPointer)&WantLatin2,_XkbKnownSetToKS,NULL,NULL
};
static XkbConverters RConst cvt_latin3 = {
_XkbKSToKnownSet,(XPointer)&WantLatin3,_XkbKnownSetToKS,NULL,NULL
};
static XkbConverters RConst cvt_latin4 = {
_XkbKSToKnownSet,(XPointer)&WantLatin4,_XkbKnownSetToKS,NULL,NULL
};
static XkbConverters RConst cvt_latin5 = {
_XkbKSToKnownSet,(XPointer)&WantLatin5,_XkbKnownSetToKS,NULL,NULL
};
static XkbConverters RConst cvt_latin6 = {
_XkbKSToKnownSet,(XPointer)&WantLatin6,_XkbKnownSetToKS,NULL,NULL
};
static XkbConverters RConst cvt_kana = {
_XkbKSToKnownSet,(XPointer)&WantKana,_XkbKnownSetToKS,NULL,NULL
};
static XkbConverters RConst cvt_X0201 = {
_XkbKSToKnownSet,(XPointer)&WantX0201,_XkbKnownSetToKS,NULL,NULL
};
static XkbConverters RConst cvt_Arabic = {
_XkbKSToKnownSet,(XPointer)&WantArabic,_XkbKnownSetToKS,NULL,NULL
};
static XkbConverters RConst cvt_Cyrillic = {
_XkbKSToKnownSet,(XPointer)&WantCyrillic,_XkbKnownSetToKS,NULL,NULL
};
static XkbConverters RConst cvt_Greek = {
_XkbKSToKnownSet,(XPointer)&WantGreek,_XkbKnownSetToKS,NULL,NULL
};
static XkbConverters RConst cvt_APL = {
_XkbKSToKnownSet,(XPointer)&WantAPL,_XkbKnownSetToKS,NULL,NULL
};
static XkbConverters RConst cvt_Hebrew = {
_XkbKSToKnownSet,(XPointer)&WantHebrew,_XkbKnownSetToKS,NULL,NULL
};
static XkbConverters cvt_Thai = {
_XkbKSToThai, NULL, _XkbThaiToKS, NULL, NULL
};
static XkbConverters cvt_Koi8 = {
_XkbKSToKoi8, NULL, _XkbKoi8ToKS, NULL, NULL
};
static int
#if NeedFunctionPrototypes
Strcmp(char *str1, char *str2)
#else
Strcmp(str1, str2)
char *str1, *str2;
#endif
{
char str[256];
char c, *s;
/*
* unchecked strings from the environment can end up here, so check
* the length before copying.
*/
if (strlen(str1) >= sizeof(str)) /* almost certain it's a mismatch */
return 1;
for (s = str; c = *str1++; ) {
if (isupper(c))
c = tolower(c);
*s++ = c;
}
*s = '\0';
return (strcmp(str, str2));
}
int
#if NeedFunctionPrototypes
_XkbGetConverters(char *encoding_name, XkbConverters *cvt_rtrn)
#else
_XkbGetConverters(encoding_name, cvt_rtrn)
char *encoding_name;
XkbConverters *cvt_rtrn;
#endif
{
if ( cvt_rtrn ) {
if ( (encoding_name==NULL) ||
(Strcmp(encoding_name,"ascii")==0) ||
(Strcmp(encoding_name,"string")==0) )
*cvt_rtrn = cvt_ascii;
else if (Strcmp(encoding_name,"iso8859-1")==0)
*cvt_rtrn = cvt_latin1;
else if (Strcmp(encoding_name, "iso8859-2")==0)
*cvt_rtrn = cvt_latin2;
else if (Strcmp(encoding_name, "iso8859-3")==0)
*cvt_rtrn = cvt_latin3;
else if (Strcmp(encoding_name, "iso8859-4")==0)
*cvt_rtrn = cvt_latin4;
else if (Strcmp(encoding_name, "iso8859-5")==0)
*cvt_rtrn = cvt_Cyrillic;
else if (Strcmp(encoding_name, "iso8859-6")==0)
*cvt_rtrn = cvt_Arabic;
else if (Strcmp(encoding_name, "iso8859-7")==0)
*cvt_rtrn = cvt_Greek;
else if (Strcmp(encoding_name, "iso8859-8")==0)
*cvt_rtrn = cvt_Hebrew;
else if (Strcmp(encoding_name, "iso8859-9")==0)
*cvt_rtrn = cvt_latin5;
else if (Strcmp(encoding_name, "iso8859-10")==0)
*cvt_rtrn = cvt_latin6;
else if (Strcmp(encoding_name, "apl")==0)
*cvt_rtrn = cvt_APL;
#if 0
else if (Strcmp(encoding_name, "ja.euc")==0)
*cvt_rtrn = ???;
else if (Strcmp(encoding_name, "ja.jis")==0)
*cvt_rtrn = ???;
else if (Strcmp(encoding_name, "ja.sjis")==0)
*cvt_rtrn = ???;
#endif
else if (Strcmp(encoding_name, "jisx0201")==0) /* ??? */
*cvt_rtrn = cvt_X0201;
else if (Strcmp(encoding_name, "kana")==0) /* ??? */
*cvt_rtrn = cvt_kana;
else if ((Strcmp(encoding_name, "tactis")==0) ||
(Strcmp(encoding_name, "tis620.2533-1")==0))
*cvt_rtrn = cvt_Thai;
else if (Strcmp(encoding_name, "koi8-r")==0)
*cvt_rtrn = cvt_Koi8;
/* other codesets go here */
else *cvt_rtrn = cvt_latin1;
return 1;
}
*cvt_rtrn= cvt_latin1;
return 1;
}
/***====================================================================***/
/*
* The function _XkbGetCharset seems to be missnamed as what it seems to
* be used for is to determine the encoding-name for the locale. ???
*/
#ifdef XKB_EXTEND_LOOKUP_STRING
/*
* XKB_EXTEND_LOOKUP_STRING is not used by the SI. It is used by various
* X Consortium/X Project Team members, so we leave it in the source as
* an simplify integration by these companies.
*/
#define CHARSET_FILE "/usr/lib/X11/input/charsets"
static char *_XkbKnownLanguages = "c=ascii:da,de,en,es,fi,fr,is,it,nl,no,pt,sv=iso8859-1:hu,pl,cs=iso8859-2:bg,ru=iso8859-5:ar,ara=iso8859-6:el=iso8859-7:th,th_TH,th_TH.TACTIS=tactis";
char *
_XkbGetCharset()
{
/*
* PAGE USAGE TUNING: explicitly initialize to move these to data
* instead of bss
*/
static char buf[100] = { 0 };
char lang[256];
char *start,*tmp,*end,*next,*set;
char *country,*charset;
char *locale;
tmp = getenv( "_XKB_CHARSET" );
if ( tmp )
return tmp;
locale = setlocale(LC_CTYPE,NULL);
if ( locale == NULL )
return NULL;
if (strlen(locale) >= sizeof(lang))
return NULL;
for (tmp = lang; *tmp = *locale++; tmp++) {
if (isupper(*tmp))
*tmp = tolower(*tmp);
}
country = strchr( lang, '_');
if ( country ) {
*country++ = '\0';
charset = strchr( country, '.' );
if ( charset ) *charset++ = '\0';
if ( charset ) {
strncpy(buf,charset,99);
buf[99] = '\0';
return buf;
}
}
else {
charset = NULL;
}
if ((tmp = getenv("_XKB_LOCALE_CHARSETS"))!=NULL) {
start = _XkbAlloc(strlen(tmp) + 1);
strcpy(start, tmp);
tmp = start;
} else {
struct stat sbuf;
FILE *file;
#ifndef __EMX__
char *cf = CHARSET_FILE;
#else
char *cf = __XOS2RedirRoot(CHARSET_FILE);
#endif
if ( (stat(cf,&sbuf)==0) && (sbuf.st_mode&S_IFREG) &&
(file = fopen(cf,"r")) ) {
tmp = _XkbAlloc(sbuf.st_size+1);
if (tmp!=NULL) {
sbuf.st_size = (long)fread(tmp,1,sbuf.st_size,file);
tmp[sbuf.st_size] = '\0';
}
fclose(file);
}
}
if ( tmp == NULL ) {
tmp = _XkbAlloc(strlen(_XkbKnownLanguages) + 1);
if (!tmp)
return NULL;
strcpy(tmp, _XkbKnownLanguages);
}
start = tmp;
do {
if ( (set=strchr(tmp,'=')) == NULL )
break;
*set++ = '\0';
if ( (next=strchr(set,':')) != NULL )
*next++ = '\0';
while ( tmp && *tmp ) {
if ( (end=strchr(tmp,',')) != NULL )
*end++ = '\0';
if ( Strcmp( tmp, lang ) == 0 ) {
strncpy(buf,set,100);
buf[99] = '\0';
Xfree(start);
return buf;
}
tmp = end;
}
tmp = next;
} while ( tmp && *tmp );
Xfree(start);
return NULL;
}
#else
char *
_XkbGetCharset()
{
char *tmp;
XLCd lcd;
tmp = getenv( "_XKB_CHARSET" );
if ( tmp )
return tmp;
lcd = _XlcCurrentLC();
if ( lcd )
return XLC_PUBLIC(lcd,encoding_name);
return NULL;
}
#endif