/*

Copyright 1988, 1989, 1998  The Open Group

Permission to use, copy, modify, distribute, and sell this software and its

documentation for any purpose is hereby granted without fee, provided that

the above copyright notice appear in all copies and that both that

copyright notice and this permission notice appear in supporting

documentation.

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.

*/

#ifdef HAVE_CONFIG_H

#include <config.h>

#endif

#include <X11/Xmu/Lookup.h>

#define XK_LATIN1

#define XK_PUBLISHING

#include <X11/keysymdef.h>

/* bit (1<

static unsigned short _Xconst latin1[128] =

  {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,

   0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,

   0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,

   0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,

   0x10ee, 0x0000, 0x1000, 0x1084, 0x102e, 0x1000, 0x1080, 0x108e, /* 10 */

   0x108e, 0x1080, 0x0000, 0x1080, 0x1080, 0x10ee, 0x1000, 0x1008,

   0x108e, 0x1080, 0x1084, 0x1084, 0x108e, 0x1004, 0x1000, 0x1084, /* 11 */

   0x100e, 0x1000, 0x0000, 0x1080, 0x1000, 0x1084, 0x1000, 0x0000,

   0x0004, 0x000e, 0x000e, 0x0008, 0x000e, 0x0008, 0x0008, 0x0006, /* 12 */

   0x0004, 0x000e, 0x0004, 0x000e, 0x0004, 0x000e, 0x000e, 0x0004,

   0x0000, 0x0004, 0x0004, 0x0006, 0x000e, 0x0008, 0x000e, 0x000e, /* 13 */

   0x0008, 0x0004, 0x000e, 0x000c, 0x000e, 0x0002, 0x0000, 0x000e,

   0x0004, 0x000e, 0x000e, 0x0008, 0x000e, 0x0008, 0x0008, 0x0006, /* 14 */

   0x0004, 0x000e, 0x0004, 0x000e, 0x0004, 0x000e, 0x000e, 0x0004,

   0x0000, 0x0004, 0x0004, 0x0006, 0x000e, 0x0008, 0x000e, 0x000e, /* 15 */

   0x0008, 0x0004, 0x000e, 0x000c, 0x000e, 0x0002, 0x0000, 0x0000};

/* bit (1<

static unsigned short _Xconst latin2[128] =

  {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,

   0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,

   0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,

   0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,

   0x0000, 0x0008, 0x0004, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 10 */

   0x0000, 0x0008, 0x0004, 0x0000, 0x0000, 0x0000, 0x0008, 0x0004,

   0x0000, 0x0008, 0x0008, 0x0000, 0x0000, 0x0000, 0x0000, 0x0008, /* 11 */

   0x0000, 0x0008, 0x0004, 0x0000, 0x0000, 0x0000, 0x0008, 0x0004,

   0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 12 */

   0x0008, 0x0000, 0x0008, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,

   0x0008, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 13 */

   0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,

   0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 14 */

   0x0008, 0x0000, 0x0008, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,

   0x0008, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 15 */

   0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x000c};

/* maps Cyrillic keysyms to 8859-5 */

static unsigned char _Xconst cyrillic[128] =

   {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    0x00, 0xf2, 0xf3, 0xf1, 0xf4, 0xf5, 0xf6, 0xf7, /* 10 */

    0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0x00, 0xfe, 0xff,

    0xf0, 0xa2, 0xa3, 0xa1, 0xa4, 0xa5, 0xa6, 0xa7, /* 11 */

    0xa8, 0xa9, 0xaa, 0xab, 0xac, 0x00, 0xae, 0xaf,

    0xee, 0xd0, 0xd1, 0xe6, 0xd4, 0xd5, 0xe4, 0xd3, /* 12 */

    0xe5, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde,

    0xdf, 0xef, 0xe0, 0xe1, 0xe2, 0xe3, 0xd6, 0xd2, /* 13 */

    0xec, 0xeb, 0xd7, 0xe8, 0xed, 0xe9, 0xe7, 0xea,

    0xce, 0xb0, 0xb1, 0xc6, 0xb4, 0xb5, 0xc4, 0xb3, /* 14 */

    0xc5, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe,

    0xbf, 0xcf, 0xc0, 0xc1, 0xc2, 0xc3, 0xb6, 0xb2, /* 15 */

    0xcc, 0xcb, 0xb7, 0xc8, 0xcd, 0xc9, 0xc7, 0xca};

/* maps Greek keysyms to 8859-7 */

static unsigned char _Xconst greek[128] =

   {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    0x00, 0xb6, 0xb8, 0xb9, 0xba, 0xda, 0x00, 0xbc, /* 10 */

    0xbe, 0xdb, 0x00, 0xbf, 0x00, 0x00, 0xb5, 0xaf,

    0x00, 0xdc, 0xdd, 0xde, 0xdf, 0xfa, 0xc0, 0xfc, /* 11 */

    0xfd, 0xfb, 0xe0, 0xfe, 0x00, 0x00, 0x00, 0x00,

    0x00, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 12 */

    0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,

    0xd0, 0xd1, 0xd3, 0x00, 0xd4, 0xd5, 0xd6, 0xd7, /* 13 */

    0xd8, 0xd9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    0x00, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 14 */

    0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,

    0xf0, 0xf1, 0xf3, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7, /* 15 */

    0xf8, 0xf9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

#define sLatin1		(unsigned long)0

#define sLatin2		(unsigned long)1

#define sLatin3		(unsigned long)2

#define sLatin4		(unsigned long)3

#define sKana		(unsigned long)4

#define sX0201		(unsigned long)0x01000004

#define sArabic		(unsigned long)5

#define sCyrillic	(unsigned long)6

#define sGreek		(unsigned long)7

#define sAPL		(unsigned long)11

#define sHebrew		(unsigned long)12

int

XmuLookupString(register XKeyEvent *event, unsigned char *buffer, int nbytes,

		KeySym *keysym, XComposeStatus *status,

		unsigned long keysymSet)

{

    int count;

    KeySym symbol;

    unsigned long kset;

    kset = keysymSet & 0xffffff;

    count = XLookupString(event, (char *)buffer, nbytes, &symbol, status);

    if (keysym) *keysym = symbol;

    if ((nbytes == 0) || (symbol == NoSymbol)) {

	/* nothing */

    } else if ((count == 0) && ((symbol >> 8) == kset)) {

	count = 1;

	switch (keysymSet) {

	case sKana:

	    buffer[0] = (symbol & 0xff);

	    if (buffer[0] == 0x7e)

		count = 0;

	    break;

	case sCyrillic:

	    buffer[0] = cyrillic[symbol & 0x7f];

	    break;

	case sGreek:

	    buffer[0] = greek[symbol & 0x7f];

	    if (!buffer[0])

		count = 0;

	    break;

	default:

	    buffer[0] = (symbol & 0xff);

	    break;

	}

    } else if ((keysymSet != 0) && (count == 1) &&

	       (((unsigned char *)buffer)[0] == symbol) &&

	       (symbol & 0x80) &&

	       !(latin1[symbol & 0x7f] & (1 << kset))) {

	if ((keysymSet == sHebrew) && (symbol == XK_multiply))

	    buffer[0] = 0xaa;

	else if ((keysymSet == sHebrew) && (symbol == XK_division))

	    buffer[0] = 0xba;

	else if ((keysymSet == sCyrillic) && (symbol == XK_section))

	    buffer[0] = 0xfd;

	else if ((keysymSet == sX0201) && (symbol == XK_yen))

	    buffer[0] = 0x5c;

	else

	    count = 0;

    } else if (count != 0) {

	if ((keysymSet == sX0201) &&

	    ((symbol == XK_backslash) || (symbol == XK_asciitilde)))

	    count = 0;

    } else if (((symbol >> 8) == sLatin2) &&

	       (symbol & 0x80) && (latin2[symbol & 0x7f] & (1 << kset))) {

	buffer[0] = (symbol & 0xff);

	count = 1;

    } else if ((keysymSet == sGreek) &&

	       ((symbol == XK_leftsinglequotemark) ||

		(symbol == XK_rightsinglequotemark))) {

	buffer[0] = symbol - (XK_leftsinglequotemark - 0xa1);

	count = 1;

    }

    return count;

}

/* produces ISO 8859-1 encoding plus ASCII control */

int

XmuLookupLatin1(register XKeyEvent *event, unsigned char *buffer, int nbytes,

		KeySym *keysym, XComposeStatus *status)

{

    return XLookupString(event, (char *)buffer, nbytes, keysym, status);

}

/* produces ISO 8859-2 encoding plus ASCII control */

int

XmuLookupLatin2(register XKeyEvent *event, unsigned char *buffer, int nbytes,

		KeySym *keysym, XComposeStatus *status)

{

    return XmuLookupString(event, buffer, nbytes, keysym, status, sLatin2);

}

/* produces ISO 8859-3 encoding plus ASCII control */

int

XmuLookupLatin3(register XKeyEvent *event, unsigned char *buffer, int nbytes,

		KeySym *keysym, XComposeStatus *status)

{

    return XmuLookupString(event, buffer, nbytes, keysym, status, sLatin3);

}

/* produces ISO 8859-4 encoding plus ASCII control */

int

XmuLookupLatin4(register XKeyEvent *event, unsigned char *buffer, int nbytes,

		KeySym *keysym, XComposeStatus *status)

{

    return XmuLookupString(event, buffer, nbytes, keysym, status, sLatin4);

}

/* produces ISO 8859-1 GL plus Katakana plus ASCII control */

int

XmuLookupKana(register XKeyEvent *event, unsigned char *buffer, int nbytes,

	      KeySym *keysym, XComposeStatus *status)

{

    return XmuLookupString(event, buffer, nbytes, keysym, status, sKana);

}

/* produces JIS X0201-1976 (8-bit) */

int

XmuLookupJISX0201(register XKeyEvent *event, unsigned char *buffer, int nbytes,

		  KeySym *keysym, XComposeStatus *status)

{

    return XmuLookupString(event, buffer, nbytes, keysym, status, sX0201);

}

/* produces ISO 8859-6 encoding plus ASCII control */

int

XmuLookupArabic(register XKeyEvent *event, unsigned char *buffer, int nbytes,

		KeySym *keysym, XComposeStatus *status)

{

    return XmuLookupString(event, buffer, nbytes, keysym, status, sArabic);

}

/* produces ISO/IEC 8859-5 encoding plus ASCII control */

int

XmuLookupCyrillic(register XKeyEvent *event, unsigned char *buffer, int nbytes,

		  KeySym *keysym, XComposeStatus *status)

{

    return XmuLookupString(event, buffer, nbytes, keysym, status, sCyrillic);

}

/* produces ISO 8859-7 encoding plus ASCII control */

int

XmuLookupGreek(register XKeyEvent *event, unsigned char *buffer, int nbytes,

	       KeySym *keysym, XComposeStatus *status)

{

    return XmuLookupString(event, buffer, nbytes, keysym, status, sGreek);

}

/* XXX this character set needs work */

int

XmuLookupAPL(register XKeyEvent *event, unsigned char *buffer, int nbytes,

	     KeySym *keysym, XComposeStatus *status)

{

    return XmuLookupString(event, buffer, nbytes, keysym, status, sAPL);

}

/* produces ISO 8859-8 encoding plus ASCII control */

int

XmuLookupHebrew(register XKeyEvent *event, unsigned char *buffer, int nbytes,

		KeySym *keysym, XComposeStatus *status)

{

    return XmuLookupString(event, buffer, nbytes, keysym, status, sHebrew);

}