svn merge -r588:HEAD ^/branches/released .

1 files changed, 1019 insertions, 1019 deletions

diff --git a/xorg-server/xkb/maprules.c b/xorg-server/xkb/maprules.c
index 3467c4238..a717aa456 100644
--- a/xorg-server/xkb/maprules.c
+++ b/xorg-server/xkb/maprules.c
@@ -1,1019 +1,1019 @@
-/************************************************************
- Copyright (c) 1996 by Silicon Graphics Computer Systems, Inc.
-
- Permission to use, copy, modify, and distribute this
- software and its documentation for any purpose and without
- fee is hereby granted, provided that the above copyright
- notice appear in all copies and that both that copyright
- notice and this permission notice appear in supporting
- documentation, and that the name of Silicon Graphics not be 
- used in advertising or publicity pertaining to distribution 
- of the software without specific prior written permission.
- Silicon Graphics makes no representation about the suitability 
- of this software for any purpose. It is provided "as is"
- without any express or implied warranty.
- 
- SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS 
- SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 
- AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
- GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL 
- DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 
- DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 
- OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION  WITH
- THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
- ********************************************************/
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <stdio.h>
-#include <ctype.h>
-#include <stdlib.h>
-
-#define X_INCLUDE_STRING_H
-#define XOS_USE_NO_LOCKING
-#include <X11/Xos_r.h>
-
-#include <X11/Xproto.h>
-#include <X11/X.h>
-#include <X11/Xos.h>
-#include <X11/Xfuncs.h>
-#include <X11/Xatom.h>
-#include <X11/keysym.h>
-#include "misc.h"
-#include "inputstr.h"
-#include "dix.h"
-#include "os.h"
-#include "xkbstr.h"
-#define XKBSRV_NEED_FILE_FUNCS
-#include <xkbsrv.h>
-
-/***====================================================================***/
-
-
-
-#define DFLT_LINE_SIZE	128
-
-typedef struct {
-	int	line_num;
-	int	sz_line;
-	int	num_line;
-	char	buf[DFLT_LINE_SIZE];
-	char *	line;
-} InputLine;
-
-static void
-InitInputLine(InputLine *line)
-{
-    line->line_num= 1;
-    line->num_line= 0;
-    line->sz_line= DFLT_LINE_SIZE;
-    line->line=	line->buf;
-    return;
-}
-
-static void
-FreeInputLine(InputLine *line)
-{
-    if (line->line!=line->buf)
-	xfree(line->line);
-    line->line_num= 1;
-    line->num_line= 0;
-    line->sz_line= DFLT_LINE_SIZE;
-    line->line= line->buf;
-    return;
-}
-
-static int
-InputLineAddChar(InputLine *line,int ch)
-{
-    if (line->num_line>=line->sz_line) {
-	if (line->line==line->buf) {
-	    line->line= xalloc(line->sz_line*2);
-	    memcpy(line->line,line->buf,line->sz_line);
-	}
-	else {
-	    line->line= xrealloc((char *)line->line,line->sz_line*2);
-	}
-	line->sz_line*= 2;
-    }
-    line->line[line->num_line++]= ch;
-    return ch;
-}
-
-#define	ADD_CHAR(l,c)	((l)->num_line<(l)->sz_line?\
-				(int)((l)->line[(l)->num_line++]= (c)):\
-				InputLineAddChar(l,c))
-
-static Bool
-GetInputLine(FILE *file,InputLine *line,Bool checkbang)
-{
-int	ch;
-Bool	endOfFile,spacePending,slashPending,inComment;
-
-     endOfFile= FALSE;
-     while ((!endOfFile)&&(line->num_line==0)) {
-	spacePending= slashPending= inComment= FALSE;
-	while (((ch=getc(file))!='\n')&&(ch!=EOF)) {
-	    if (ch=='\\') {
-		if ((ch=getc(file))==EOF)
-		    break;
-		if (ch=='\n') {
-		    inComment= FALSE;
-		    ch= ' ';
-		    line->line_num++;
-		}
-	    }
-	    if (inComment)
-		continue;
-	    if (ch=='/') {
-		if (slashPending) {
-		    inComment= TRUE;
-		    slashPending= FALSE;
-		}
-		else {
-		    slashPending= TRUE;
-		}
-		continue;
-	    }
-	    else if (slashPending) {
-		if (spacePending) {
-		    ADD_CHAR(line,' ');
-		    spacePending= FALSE;
-		}
-		ADD_CHAR(line,'/');
-		slashPending= FALSE;
-	    }
-	    if (isspace(ch)) {
-		while (isspace(ch)&&(ch!='\n')&&(ch!=EOF)) {
-		    ch= getc(file);
-		}
-		if (ch==EOF)
-		    break;
-		if ((ch!='\n')&&(line->num_line>0))
-		    spacePending= TRUE;
-		ungetc(ch,file);
-	    }
-	    else {
-		if (spacePending) {
-		    ADD_CHAR(line,' ');
-		    spacePending= FALSE;
-		}
-		if (checkbang && ch=='!') {
-		    if (line->num_line!=0) {
-			DebugF("The '!' legal only at start of line\n");
-			DebugF("Line containing '!' ignored\n");
-			line->num_line= 0;
-			inComment= 0;
-			break;
-		    }
-
-		}
-		ADD_CHAR(line,ch);
-	    }
-	}
-	if (ch==EOF)
-	     endOfFile= TRUE;
-/*	else line->num_line++;*/
-     }
-     if ((line->num_line==0)&&(endOfFile))
-	return FALSE;
-      ADD_CHAR(line,'\0');
-      return TRUE;
-}
-
-/***====================================================================***/
-
-#define	MODEL		0
-#define	LAYOUT		1
-#define	VARIANT		2
-#define	OPTION		3
-#define	KEYCODES	4
-#define SYMBOLS		5
-#define	TYPES		6
-#define	COMPAT		7
-#define	GEOMETRY	8
-#define	MAX_WORDS	9
-
-#define	PART_MASK	0x000F
-#define	COMPONENT_MASK	0x03F0
-
-static	char *	cname[MAX_WORDS] = {
-	"model", "layout", "variant", "option", 
-	"keycodes", "symbols", "types", "compat", "geometry"
-};
-
-typedef	struct _RemapSpec {
-	int			number;
-	int			num_remap;
-	struct	{
-		int	word;
-		int	index;
-                }		remap[MAX_WORDS];
-} RemapSpec;
-
-typedef struct _FileSpec {
-	char *			name[MAX_WORDS];
-	struct _FileSpec *	pending;
-} FileSpec;
-
-typedef struct {
-	char *			model;
-	char *			layout[XkbNumKbdGroups+1];
-	char *			variant[XkbNumKbdGroups+1];
-	char *			options;
-} XkbRF_MultiDefsRec, *XkbRF_MultiDefsPtr;
-
-#define NDX_BUFF_SIZE	4
-
-/***====================================================================***/
-
-static char*
-get_index(char *str, int *ndx)
-{
-   char ndx_buf[NDX_BUFF_SIZE];
-   char *end;
-
-   if (*str != '[') {
-       *ndx = 0;
-       return str;
-   }
-   str++;
-   end = strchr(str, ']');
-   if (end == NULL) {
-       *ndx = -1;
-       return str - 1;
-   }
-   if ( (end - str) >= NDX_BUFF_SIZE) {
-       *ndx = -1;
-       return end + 1;
-   }
-   strncpy(ndx_buf, str, end - str);
-   ndx_buf[end - str] = '\0';
-   *ndx = atoi(ndx_buf);
-   return end + 1;
-}
-
-static void
-SetUpRemap(InputLine *line,RemapSpec *remap)
-{
-char *		tok,*str;
-unsigned	present, l_ndx_present, v_ndx_present;
-register int	i;
-int		len, ndx;
-_Xstrtokparams	strtok_buf;
-Bool		found;
-
-
-   l_ndx_present = v_ndx_present = present= 0;
-   str= &line->line[1];
-   len = remap->number;
-   bzero((char *)remap,sizeof(RemapSpec));
-   remap->number = len;
-   while ((tok=_XStrtok(str," ",strtok_buf))!=NULL) {
-	found= FALSE;
-	str= NULL;
-	if (strcmp(tok,"=")==0)
-	    continue;
-	for (i=0;i<MAX_WORDS;i++) {
-            len = strlen(cname[i]);
-	    if (strncmp(cname[i],tok,len)==0) {
-		if(strlen(tok) > len) {
-		    char *end = get_index(tok+len, &ndx);
-		    if ((i != LAYOUT && i != VARIANT) ||
-			*end != '\0' || ndx == -1)
-		        break;
-		     if (ndx < 1 || ndx > XkbNumKbdGroups) {
-		        DebugF("Illegal %s index: %d\n", cname[i], ndx);
-		        DebugF("Index must be in range 1..%d\n",
-				   XkbNumKbdGroups);
-			break;
-		     }
-                } else {
-		    ndx = 0;
-                }
-		found= TRUE;
-		if (present&(1<<i)) {
-		    if ((i == LAYOUT && l_ndx_present&(1<<ndx)) ||
-			(i == VARIANT && v_ndx_present&(1<<ndx)) ) {
-		        DebugF("Component \"%s\" listed twice\n",tok);
-		        DebugF("Second definition ignored\n");
-		        break;
-		    }
-		}
-		present |= (1<<i);
-                if (i == LAYOUT)
-                    l_ndx_present |= 1 << ndx;
-                if (i == VARIANT)
-                    v_ndx_present |= 1 << ndx;
-		remap->remap[remap->num_remap].word= i;
-		remap->remap[remap->num_remap++].index= ndx;
-		break;
-	    }
-	}
-	if (!found) {
-	    fprintf(stderr,"Unknown component \"%s\" ignored\n",tok);
-	}
-   }
-   if ((present&PART_MASK)==0) {
-	unsigned mask= PART_MASK;
-	ErrorF("Mapping needs at least one of ");
-	for (i=0; (i<MAX_WORDS); i++) {
-	    if ((1L<<i)&mask) {
-		mask&= ~(1L<<i);
-		if (mask)	DebugF("\"%s,\" ",cname[i]);
-		else		DebugF("or \"%s\"\n",cname[i]);
-	    }
-	}
-	DebugF("Illegal mapping ignored\n");
-	remap->num_remap= 0;
-	return;
-   }
-   if ((present&COMPONENT_MASK)==0) {
-	DebugF("Mapping needs at least one component\n");
-	DebugF("Illegal mapping ignored\n");
-	remap->num_remap= 0;
-	return;
-   }
-   remap->number++;
-   return;
-}
-
-static Bool
-MatchOneOf(char *wanted,char *vals_defined)
-{
-char	*str,*next;
-int	want_len= strlen(wanted);
-
-    for (str=vals_defined,next=NULL;str!=NULL;str=next) {
-	int len;
-	next= strchr(str,',');
-	if (next) {
-	    len= next-str;
-	    next++;
-	}
-	else {
-	    len= strlen(str);
-	}
-	if ((len==want_len)&&(strncmp(wanted,str,len)==0))
-	    return TRUE;
-    }
-    return FALSE;
-}
-
-/***====================================================================***/
-
-static Bool
-CheckLine(	InputLine *		line,
-		RemapSpec *		remap,
-		XkbRF_RulePtr		rule,
-		XkbRF_GroupPtr		group)
-{
-char *		str,*tok;
-register int	nread, i;
-FileSpec	tmp;
-_Xstrtokparams	strtok_buf;
-Bool 		append = FALSE;
-
-    if (line->line[0]=='!') {
-        if (line->line[1] == '$' ||
-            (line->line[1] == ' ' && line->line[2] == '$')) {
-            char *gname = strchr(line->line, '$');
-            char *words = strchr(gname, ' ');
-            if(!words)
-                return FALSE;
-            *words++ = '\0';
-            for (; *words; words++) {
-                if (*words != '=' && *words != ' ')
-                    break;
-            }
-            if (*words == '\0')
-                return FALSE;
-            group->name = _XkbDupString(gname);
-            group->words = _XkbDupString(words);
-            for (i = 1, words = group->words; *words; words++) {
-                 if ( *words == ' ') {
-                     *words++ = '\0';
-                     i++;
-                 }
-            }
-            group->number = i;
-            return TRUE;
-        } else {
-	    SetUpRemap(line,remap);
-	    return FALSE;
-        }
-    }
-
-    if (remap->num_remap==0) {
-	DebugF("Must have a mapping before first line of data\n");
-	DebugF("Illegal line of data ignored\n");
-	return FALSE;
-    }
-    bzero((char *)&tmp,sizeof(FileSpec));
-    str= line->line;
-    for (nread= 0;(tok=_XStrtok(str," ",strtok_buf))!=NULL;nread++) {
-	str= NULL;
-	if (strcmp(tok,"=")==0) {
-	    nread--;
-	    continue;
-	}
-	if (nread>remap->num_remap) {
-	    DebugF("Too many words on a line\n");
-	    DebugF("Extra word \"%s\" ignored\n",tok);
-	    continue;
-	}
-	tmp.name[remap->remap[nread].word]= tok;
-	if (*tok == '+' || *tok == '|')
-	    append = TRUE;
-    }
-    if (nread<remap->num_remap) {
-	DebugF("Too few words on a line: %s\n", line->line);
-	DebugF("line ignored\n");
-	return FALSE;
-    }
-
-    rule->flags= 0;
-    rule->number = remap->number;
-    if (tmp.name[OPTION])
-	 rule->flags|= XkbRF_Option;
-    else if (append)
-	 rule->flags|= XkbRF_Append;
-    else
-	 rule->flags|= XkbRF_Normal;
-    rule->model= _XkbDupString(tmp.name[MODEL]);
-    rule->layout= _XkbDupString(tmp.name[LAYOUT]);
-    rule->variant= _XkbDupString(tmp.name[VARIANT]);
-    rule->option= _XkbDupString(tmp.name[OPTION]);
-
-    rule->keycodes= _XkbDupString(tmp.name[KEYCODES]);
-    rule->symbols= _XkbDupString(tmp.name[SYMBOLS]);
-    rule->types= _XkbDupString(tmp.name[TYPES]);
-    rule->compat= _XkbDupString(tmp.name[COMPAT]);
-    rule->geometry= _XkbDupString(tmp.name[GEOMETRY]);
-
-    rule->layout_num = rule->variant_num = 0;
-    for (i = 0; i < nread; i++) {
-        if (remap->remap[i].index) {
-	    if (remap->remap[i].word == LAYOUT)
-	        rule->layout_num = remap->remap[i].index;
-	    if (remap->remap[i].word == VARIANT)
-	        rule->variant_num = remap->remap[i].index;
-        }
-    }
-    return TRUE;
-}
-
-static char *
-_Concat(char *str1,char *str2)
-{
-int len;
-
-    if ((!str1)||(!str2))
-	return str1;
-    len= strlen(str1)+strlen(str2)+1;
-    str1= xrealloc(str1,len * sizeof(char));
-    if (str1)
-	strcat(str1,str2);
-    return str1;
-}
-
-static void
-squeeze_spaces(char *p1)
-{
-   char *p2;
-   for (p2 = p1; *p2; p2++) {
-       *p1 = *p2;
-       if (*p1 != ' ') p1++;
-   }
-   *p1 = '\0';
-}
-
-static Bool
-MakeMultiDefs(XkbRF_MultiDefsPtr mdefs, XkbRF_VarDefsPtr defs)
-{
-
-   bzero((char *)mdefs,sizeof(XkbRF_MultiDefsRec));
-   mdefs->model = defs->model;
-   mdefs->options = _XkbDupString(defs->options);
-   if (mdefs->options) squeeze_spaces(mdefs->options); 
-
-   if (defs->layout) {
-       if (!strchr(defs->layout, ',')) {
-           mdefs->layout[0] = defs->layout;
-       } else {
-           char *p;
-           int i;
-           mdefs->layout[1] = _XkbDupString(defs->layout);
-	   if (mdefs->layout[1] == NULL)
-	      return FALSE;
-           squeeze_spaces(mdefs->layout[1]);
-           p = mdefs->layout[1];
-           for (i = 2; i <= XkbNumKbdGroups; i++) {
-              if ((p = strchr(p, ','))) {
-                 *p++ = '\0';
-                 mdefs->layout[i] = p;
-              } else {
-                 break;
-              }
-           }
-           if (p && (p = strchr(p, ',')))
-              *p = '\0';
-       }
-   }
-
-   if (defs->variant) {
-       if (!strchr(defs->variant, ',')) {
-           mdefs->variant[0] = defs->variant;
-       } else {
-           char *p;
-           int i;
-           mdefs->variant[1] = _XkbDupString(defs->variant);
-	   if (mdefs->variant[1] == NULL)
-	      return FALSE;
-           squeeze_spaces(mdefs->variant[1]);
-           p = mdefs->variant[1];
-           for (i = 2; i <= XkbNumKbdGroups; i++) {
-              if ((p = strchr(p, ','))) {
-                 *p++ = '\0';
-                 mdefs->variant[i] = p;
-              } else {
-                 break;
-              }
-           }
-           if (p && (p = strchr(p, ',')))
-              *p = '\0';
-       }
-   }
-   return TRUE;
-}
-
-static void
-FreeMultiDefs(XkbRF_MultiDefsPtr defs)
-{
-  if (defs->options) xfree(defs->options);
-  if (defs->layout[1])  xfree(defs->layout[1]);
-  if (defs->variant[1])  xfree(defs->variant[1]);
-}
-
-static void
-Apply(char *src, char **dst)
-{
-    if (src) {
-        if (*src == '+' || *src == '!') {
-	    *dst= _Concat(*dst, src);
-        } else {
-            if (*dst == NULL)
-	        *dst= _XkbDupString(src);
-        }
-    }
-}
-
-static void
-XkbRF_ApplyRule(	XkbRF_RulePtr 		rule,
-			XkbComponentNamesPtr	names)
-{
-    rule->flags&= ~XkbRF_PendingMatch; /* clear the flag because it's applied */
-
-    Apply(rule->keycodes, &names->keycodes);
-    Apply(rule->symbols,  &names->symbols);
-    Apply(rule->types,    &names->types);
-    Apply(rule->compat,   &names->compat);
-    Apply(rule->geometry, &names->geometry);
-}
-
-static Bool
-CheckGroup(	XkbRF_RulesPtr          rules,
-		char * 			group_name,
-		char * 			name)
-{
-   int i;
-   char *p;
-   XkbRF_GroupPtr group;
-
-   for (i = 0, group = rules->groups; i < rules->num_groups; i++, group++) {
-       if (! strcmp(group->name, group_name)) {
-           break;
-       }
-   }
-   if (i == rules->num_groups)
-       return FALSE;
-   for (i = 0, p = group->words; i < group->number; i++, p += strlen(p)+1) {
-       if (! strcmp(p, name)) {
-           return TRUE;
-       }
-   }
-   return FALSE;
-}
-
-static int
-XkbRF_CheckApplyRule(	XkbRF_RulePtr 		rule,
-			XkbRF_MultiDefsPtr	mdefs,
-			XkbComponentNamesPtr	names,
-			XkbRF_RulesPtr          rules)
-{
-    Bool pending = FALSE;
-
-    if (rule->model != NULL) {
-        if(mdefs->model == NULL)
-            return 0;
-        if (strcmp(rule->model, "*") == 0) {
-            pending = TRUE;
-        } else {
-            if (rule->model[0] == '$') {
-               if (!CheckGroup(rules, rule->model, mdefs->model))
-                  return 0;
-            } else {
-	       if (strcmp(rule->model, mdefs->model) != 0)
-	          return 0;
-	    }
-	}
-    }
-    if (rule->option != NULL) {
-	if (mdefs->options == NULL)
-	    return 0;
-	if ((!MatchOneOf(rule->option,mdefs->options)))
-	    return 0;
-    }
-
-    if (rule->layout != NULL) {
-	if(mdefs->layout[rule->layout_num] == NULL ||
-	   *mdefs->layout[rule->layout_num] == '\0')
-	    return 0;
-        if (strcmp(rule->layout, "*") == 0) {
-            pending = TRUE;
-        } else {
-            if (rule->layout[0] == '$') {
-               if (!CheckGroup(rules, rule->layout,
-                               mdefs->layout[rule->layout_num]))
-                  return 0;
-	    } else {
-	       if (strcmp(rule->layout, mdefs->layout[rule->layout_num]) != 0)
-	           return 0;
-	    }
-	}
-    }
-    if (rule->variant != NULL) {
-	if (mdefs->variant[rule->variant_num] == NULL ||
-	    *mdefs->variant[rule->variant_num] == '\0')
-	    return 0;
-        if (strcmp(rule->variant, "*") == 0) {
-            pending = TRUE;
-        } else {
-            if (rule->variant[0] == '$') {
-               if (!CheckGroup(rules, rule->variant,
-                               mdefs->variant[rule->variant_num]))
-                  return 0;
-            } else {
-	       if (strcmp(rule->variant,
-                          mdefs->variant[rule->variant_num]) != 0)
-	           return 0;
-	    }
-	}
-    }
-    if (pending) {
-        rule->flags|= XkbRF_PendingMatch;
-	return rule->number;
-    }
-    /* exact match, apply it now */
-    XkbRF_ApplyRule(rule,names);
-    return rule->number;
-}
-
-static void
-XkbRF_ClearPartialMatches(XkbRF_RulesPtr rules)
-{
-register int 	i;
-XkbRF_RulePtr	rule;
-
-    for (i=0,rule=rules->rules;i<rules->num_rules;i++,rule++) {
-	rule->flags&= ~XkbRF_PendingMatch;
-    }
-}
-
-static void
-XkbRF_ApplyPartialMatches(XkbRF_RulesPtr rules,XkbComponentNamesPtr names)
-{
-int		i;
-XkbRF_RulePtr	rule;
-
-    for (rule = rules->rules, i = 0; i < rules->num_rules; i++, rule++) {
-	if ((rule->flags&XkbRF_PendingMatch)==0)
-	    continue;
-	XkbRF_ApplyRule(rule,names);
-    }
-}
-
-static void
-XkbRF_CheckApplyRules(	XkbRF_RulesPtr 		rules,
-			XkbRF_MultiDefsPtr	mdefs,
-			XkbComponentNamesPtr	names,
-			int			flags)
-{
-int		i;
-XkbRF_RulePtr	rule;
-int		skip;
-
-    for (rule = rules->rules, i=0; i < rules->num_rules; rule++, i++) {
-	if ((rule->flags & flags) != flags)
-	    continue;
-	skip = XkbRF_CheckApplyRule(rule, mdefs, names, rules);
-	if (skip && !(flags & XkbRF_Option)) {
-	    for ( ;(i < rules->num_rules) && (rule->number == skip);
-		  rule++, i++);
-	    rule--; i--;
-	}
-    }
-}
-
-/***====================================================================***/
-
-static char *
-XkbRF_SubstituteVars(char *name, XkbRF_MultiDefsPtr mdefs)
-{
-char 	*str, *outstr, *orig, *var;
-int	len, ndx;
-
-    orig= name;
-    str= index(name,'%');
-    if (str==NULL)
-	return name;
-    len= strlen(name);
-    while (str!=NULL) {
-	char pfx= str[1];
-	int   extra_len= 0;
-	if ((pfx=='+')||(pfx=='|')||(pfx=='_')||(pfx=='-')) {
-	    extra_len= 1;
-	    str++;
-	}
-	else if (pfx=='(') {
-	    extra_len= 2;
-	    str++;
-	}
-	var = str + 1;
-	str = get_index(var + 1, &ndx);
-	if (ndx == -1) {
-	    str = index(str,'%');
-	    continue;
-        }
-	if ((*var=='l') && mdefs->layout[ndx] && *mdefs->layout[ndx])
-	    len+= strlen(mdefs->layout[ndx])+extra_len;
-	else if ((*var=='m')&&mdefs->model)
-	    len+= strlen(mdefs->model)+extra_len;
-	else if ((*var=='v') && mdefs->variant[ndx] && *mdefs->variant[ndx])
-	    len+= strlen(mdefs->variant[ndx])+extra_len;
-	if ((pfx=='(')&&(*str==')')) {
-	    str++;
-	}
-	str= index(&str[0],'%');
-    }
-    name= xalloc(len+1);
-    str= orig;
-    outstr= name;
-    while (*str!='\0') {
-	if (str[0]=='%') {
-	    char pfx,sfx;
-	    str++;
-	    pfx= str[0];
-	    sfx= '\0';
-	    if ((pfx=='+')||(pfx=='|')||(pfx=='_')||(pfx=='-')) {
-		str++;
-	    }
-	    else if (pfx=='(') {
-		sfx= ')';
-		str++;
-	    }
-	    else pfx= '\0';
-
-	    var = str;
-	    str = get_index(var + 1, &ndx);
-	    if (ndx == -1) {
-	        continue;
-            }
-	    if ((*var=='l') && mdefs->layout[ndx] && *mdefs->layout[ndx]) {
-		if (pfx) *outstr++= pfx;
-		strcpy(outstr,mdefs->layout[ndx]);
-		outstr+= strlen(mdefs->layout[ndx]);
-		if (sfx) *outstr++= sfx;
-	    }
-	    else if ((*var=='m')&&(mdefs->model)) {
-		if (pfx) *outstr++= pfx;
-		strcpy(outstr,mdefs->model);
-		outstr+= strlen(mdefs->model);
-		if (sfx) *outstr++= sfx;
-	    }
-	    else if ((*var=='v') && mdefs->variant[ndx] && *mdefs->variant[ndx]) {
-		if (pfx) *outstr++= pfx;
-		strcpy(outstr,mdefs->variant[ndx]);
-		outstr+= strlen(mdefs->variant[ndx]);
-		if (sfx) *outstr++= sfx;
-	    }
-	    if ((pfx=='(')&&(*str==')'))
-		str++;
-	}
-	else {
-	    *outstr++= *str++;
-	}
-    }
-    *outstr++= '\0';
-    if (orig!=name)
-	xfree(orig);
-    return name;
-}
-
-/***====================================================================***/
-
-Bool
-XkbRF_GetComponents(	XkbRF_RulesPtr		rules,
-			XkbRF_VarDefsPtr	defs,
-			XkbComponentNamesPtr	names)
-{
-    XkbRF_MultiDefsRec mdefs;
-
-    MakeMultiDefs(&mdefs, defs);
-
-    bzero((char *)names,sizeof(XkbComponentNamesRec));
-    XkbRF_ClearPartialMatches(rules);
-    XkbRF_CheckApplyRules(rules, &mdefs, names, XkbRF_Normal);
-    XkbRF_ApplyPartialMatches(rules, names);
-    XkbRF_CheckApplyRules(rules, &mdefs, names, XkbRF_Append);
-    XkbRF_ApplyPartialMatches(rules, names);
-    XkbRF_CheckApplyRules(rules, &mdefs, names, XkbRF_Option);
-
-    if (names->keycodes)
-	names->keycodes= XkbRF_SubstituteVars(names->keycodes, &mdefs);
-    if (names->symbols)	
-	names->symbols=	XkbRF_SubstituteVars(names->symbols, &mdefs);
-    if (names->types)
-	names->types= XkbRF_SubstituteVars(names->types, &mdefs);
-    if (names->compat)
-	names->compat= XkbRF_SubstituteVars(names->compat, &mdefs);
-    if (names->geometry)
-	names->geometry= XkbRF_SubstituteVars(names->geometry, &mdefs);
-
-    FreeMultiDefs(&mdefs);
-    return (names->keycodes && names->symbols && names->types &&
-		names->compat && names->geometry);
-}
-
-static XkbRF_RulePtr
-XkbRF_AddRule(XkbRF_RulesPtr	rules)
-{
-    if (rules->sz_rules<1) {
-	rules->sz_rules= 16;
-	rules->num_rules= 0;
-	rules->rules= xcalloc(rules->sz_rules, sizeof(XkbRF_RuleRec));
-    }
-    else if (rules->num_rules>=rules->sz_rules) {
-	rules->sz_rules*= 2;
-	rules->rules= xrealloc(rules->rules,
-				rules->sz_rules * sizeof(XkbRF_RuleRec));
-    }
-    if (!rules->rules) {
-	rules->sz_rules= rules->num_rules= 0;
-	DebugF("Allocation failure in XkbRF_AddRule\n");
-	return NULL;
-    }
-    bzero((char *)&rules->rules[rules->num_rules],sizeof(XkbRF_RuleRec));
-    return &rules->rules[rules->num_rules++];
-}
-
-static XkbRF_GroupPtr
-XkbRF_AddGroup(XkbRF_RulesPtr	rules)
-{
-    if (rules->sz_groups<1) {
-	rules->sz_groups= 16;
-	rules->num_groups= 0;
-	rules->groups= xcalloc(rules->sz_groups, sizeof(XkbRF_GroupRec));
-    }
-    else if (rules->num_groups >= rules->sz_groups) {
-	rules->sz_groups *= 2;
-	rules->groups= xrealloc(rules->groups,
-				rules->sz_groups * sizeof(XkbRF_GroupRec));
-    }
-    if (!rules->groups) {
-	rules->sz_groups= rules->num_groups= 0;
-	return NULL;
-    }
-
-    bzero((char *)&rules->groups[rules->num_groups],sizeof(XkbRF_GroupRec));
-    return &rules->groups[rules->num_groups++];
-}
-
-Bool
-XkbRF_LoadRules(FILE *file, XkbRF_RulesPtr rules)
-{
-InputLine	line;
-RemapSpec	remap;
-XkbRF_RuleRec	trule,*rule;
-XkbRF_GroupRec  tgroup,*group;
-
-    if (!(rules && file))
-	return FALSE;
-    bzero((char *)&remap,sizeof(RemapSpec));
-    bzero((char *)&tgroup,sizeof(XkbRF_GroupRec));
-    InitInputLine(&line);
-    while (GetInputLine(file,&line,TRUE)) {
-	if (CheckLine(&line,&remap,&trule,&tgroup)) {
-            if (tgroup.number) {
-	        if ((group= XkbRF_AddGroup(rules))!=NULL) {
-		    *group= tgroup;
-		    bzero((char *)&tgroup,sizeof(XkbRF_GroupRec));
-	        }
-	    } else {
-	        if ((rule= XkbRF_AddRule(rules))!=NULL) {
-		    *rule= trule;
-		    bzero((char *)&trule,sizeof(XkbRF_RuleRec));
-	        }
-	    }
-	}
-	line.num_line= 0;
-    }
-    FreeInputLine(&line);
-    return TRUE;
-}
-
-Bool
-XkbRF_LoadRulesByName(char *base,char *locale,XkbRF_RulesPtr rules)
-{
-FILE *		file;
-char		buf[PATH_MAX];
-Bool		ok;
-
-    if ((!base)||(!rules))
-	return FALSE;
-    if (locale) {
-	if (strlen(base)+strlen(locale)+2 > PATH_MAX)
-	    return FALSE;
-	sprintf(buf,"%s-%s", base, locale);
-    }
-    else {
-	if (strlen(base)+1 > PATH_MAX)
-	    return FALSE;
-	strcpy(buf,base);
-    }
-
-    file= fopen(buf, "r");
-    if ((!file)&&(locale)) { /* fallback if locale was specified */
-	strcpy(buf,base);
-	file= fopen(buf, "r");
-    }
-    if (!file)
-	return FALSE;
-    ok= XkbRF_LoadRules(file,rules);
-    fclose(file);
-    return ok;
-}
-
-/***====================================================================***/
-
-XkbRF_RulesPtr
-XkbRF_Create(void)
-{
-    return xcalloc(1, sizeof( XkbRF_RulesRec));
-}
-
-/***====================================================================***/
-
-void
-XkbRF_Free(XkbRF_RulesPtr rules,Bool freeRules)
-{
-int		i;
-XkbRF_RulePtr	rule;
-XkbRF_GroupPtr	group;
-
-    if (!rules)
-	return;
-    if (rules->rules) {
-	for (i=0,rule=rules->rules;i<rules->num_rules;i++,rule++) {
-	    if (rule->model)	xfree(rule->model);
-	    if (rule->layout)	xfree(rule->layout);
-	    if (rule->variant)	xfree(rule->variant);
-	    if (rule->option)	xfree(rule->option);
-	    if (rule->keycodes)	xfree(rule->keycodes);
-	    if (rule->symbols)	xfree(rule->symbols);
-	    if (rule->types)	xfree(rule->types);
-	    if (rule->compat)	xfree(rule->compat);
-	    if (rule->geometry)	xfree(rule->geometry);
-	    bzero((char *)rule,sizeof(XkbRF_RuleRec));
-	}
-	xfree(rules->rules);
-	rules->num_rules= rules->sz_rules= 0;
-	rules->rules= NULL;
-    }
-
-    if (rules->groups) {
-	for (i=0, group=rules->groups;i<rules->num_groups;i++,group++) {
-	    if (group->name)	xfree(group->name);
-	    if (group->words)	xfree(group->words);
-	}
-	xfree(rules->groups);
-	rules->num_groups= 0;
-	rules->groups= NULL;
-    }
-    if (freeRules)
-	xfree(rules);
-    return;
-}
+/************************************************************

+ Copyright (c) 1996 by Silicon Graphics Computer Systems, Inc.

+

+ Permission to use, copy, modify, and distribute this

+ software and its documentation for any purpose and without

+ fee is hereby granted, provided that the above copyright

+ notice appear in all copies and that both that copyright

+ notice and this permission notice appear in supporting

+ documentation, and that the name of Silicon Graphics not be 

+ used in advertising or publicity pertaining to distribution 

+ of the software without specific prior written permission.

+ Silicon Graphics makes no representation about the suitability 

+ of this software for any purpose. It is provided "as is"

+ without any express or implied warranty.

+ 

+ SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS 

+ SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 

+ AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON

+ GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL 

+ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 

+ DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 

+ OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION  WITH

+ THE USE OR PERFORMANCE OF THIS SOFTWARE.

+

+ ********************************************************/

+

+#ifdef HAVE_DIX_CONFIG_H

+#include <dix-config.h>

+#endif

+

+#include <stdio.h>

+#include <ctype.h>

+#include <stdlib.h>

+

+#define X_INCLUDE_STRING_H

+#define XOS_USE_NO_LOCKING

+#include <X11/Xos_r.h>

+

+#include <X11/Xproto.h>

+#include <X11/X.h>

+#include <X11/Xos.h>

+#include <X11/Xfuncs.h>

+#include <X11/Xatom.h>

+#include <X11/keysym.h>

+#include "misc.h"

+#include "inputstr.h"

+#include "dix.h"

+#include "os.h"

+#include "xkbstr.h"

+#define XKBSRV_NEED_FILE_FUNCS

+#include <xkbsrv.h>

+

+/***====================================================================***/

+

+

+

+#define DFLT_LINE_SIZE	128

+

+typedef struct {

+	int	line_num;

+	int	sz_line;

+	int	num_line;

+	char	buf[DFLT_LINE_SIZE];

+	char *	line;

+} InputLine;

+

+static void

+InitInputLine(InputLine *line)

+{

+    line->line_num= 1;

+    line->num_line= 0;

+    line->sz_line= DFLT_LINE_SIZE;

+    line->line=	line->buf;

+    return;

+}

+

+static void

+FreeInputLine(InputLine *line)

+{

+    if (line->line!=line->buf)

+	free(line->line);

+    line->line_num= 1;

+    line->num_line= 0;

+    line->sz_line= DFLT_LINE_SIZE;

+    line->line= line->buf;

+    return;

+}

+

+static int

+InputLineAddChar(InputLine *line,int ch)

+{

+    if (line->num_line>=line->sz_line) {

+	if (line->line==line->buf) {

+	    line->line= malloc(line->sz_line*2);

+	    memcpy(line->line,line->buf,line->sz_line);

+	}

+	else {

+	    line->line= realloc((char *)line->line,line->sz_line*2);

+	}

+	line->sz_line*= 2;

+    }

+    line->line[line->num_line++]= ch;

+    return ch;

+}

+

+#define	ADD_CHAR(l,c)	((l)->num_line<(l)->sz_line?\

+				(int)((l)->line[(l)->num_line++]= (c)):\

+				InputLineAddChar(l,c))

+

+static Bool

+GetInputLine(FILE *file,InputLine *line,Bool checkbang)

+{

+int	ch;

+Bool	endOfFile,spacePending,slashPending,inComment;

+

+     endOfFile= FALSE;

+     while ((!endOfFile)&&(line->num_line==0)) {

+	spacePending= slashPending= inComment= FALSE;

+	while (((ch=getc(file))!='\n')&&(ch!=EOF)) {

+	    if (ch=='\\') {

+		if ((ch=getc(file))==EOF)

+		    break;

+		if (ch=='\n') {

+		    inComment= FALSE;

+		    ch= ' ';

+		    line->line_num++;

+		}

+	    }

+	    if (inComment)

+		continue;

+	    if (ch=='/') {

+		if (slashPending) {

+		    inComment= TRUE;

+		    slashPending= FALSE;

+		}

+		else {

+		    slashPending= TRUE;

+		}

+		continue;

+	    }

+	    else if (slashPending) {

+		if (spacePending) {

+		    ADD_CHAR(line,' ');

+		    spacePending= FALSE;

+		}

+		ADD_CHAR(line,'/');

+		slashPending= FALSE;

+	    }

+	    if (isspace(ch)) {

+		while (isspace(ch)&&(ch!='\n')&&(ch!=EOF)) {

+		    ch= getc(file);

+		}

+		if (ch==EOF)

+		    break;

+		if ((ch!='\n')&&(line->num_line>0))

+		    spacePending= TRUE;

+		ungetc(ch,file);

+	    }

+	    else {

+		if (spacePending) {

+		    ADD_CHAR(line,' ');

+		    spacePending= FALSE;

+		}

+		if (checkbang && ch=='!') {

+		    if (line->num_line!=0) {

+			DebugF("The '!' legal only at start of line\n");

+			DebugF("Line containing '!' ignored\n");

+			line->num_line= 0;

+			inComment= 0;

+			break;

+		    }

+

+		}

+		ADD_CHAR(line,ch);

+	    }

+	}

+	if (ch==EOF)

+	     endOfFile= TRUE;

+/*	else line->num_line++;*/

+     }

+     if ((line->num_line==0)&&(endOfFile))

+	return FALSE;

+      ADD_CHAR(line,'\0');

+      return TRUE;

+}

+

+/***====================================================================***/

+

+#define	MODEL		0

+#define	LAYOUT		1

+#define	VARIANT		2

+#define	OPTION		3

+#define	KEYCODES	4

+#define SYMBOLS		5

+#define	TYPES		6

+#define	COMPAT		7

+#define	GEOMETRY	8

+#define	MAX_WORDS	9

+

+#define	PART_MASK	0x000F

+#define	COMPONENT_MASK	0x03F0

+

+static	char *	cname[MAX_WORDS] = {

+	"model", "layout", "variant", "option", 

+	"keycodes", "symbols", "types", "compat", "geometry"

+};

+

+typedef	struct _RemapSpec {

+	int			number;

+	int			num_remap;

+	struct	{

+		int	word;

+		int	index;

+                }		remap[MAX_WORDS];

+} RemapSpec;

+

+typedef struct _FileSpec {

+	char *			name[MAX_WORDS];

+	struct _FileSpec *	pending;

+} FileSpec;

+

+typedef struct {

+	char *			model;

+	char *			layout[XkbNumKbdGroups+1];

+	char *			variant[XkbNumKbdGroups+1];

+	char *			options;

+} XkbRF_MultiDefsRec, *XkbRF_MultiDefsPtr;

+

+#define NDX_BUFF_SIZE	4

+

+/***====================================================================***/

+

+static char*

+get_index(char *str, int *ndx)

+{

+   char ndx_buf[NDX_BUFF_SIZE];

+   char *end;

+

+   if (*str != '[') {

+       *ndx = 0;

+       return str;

+   }

+   str++;

+   end = strchr(str, ']');

+   if (end == NULL) {

+       *ndx = -1;

+       return str - 1;

+   }

+   if ( (end - str) >= NDX_BUFF_SIZE) {

+       *ndx = -1;

+       return end + 1;

+   }

+   strncpy(ndx_buf, str, end - str);

+   ndx_buf[end - str] = '\0';

+   *ndx = atoi(ndx_buf);

+   return end + 1;

+}

+

+static void

+SetUpRemap(InputLine *line,RemapSpec *remap)

+{

+char *		tok,*str;

+unsigned	present, l_ndx_present, v_ndx_present;

+register int	i;

+int		len, ndx;

+_Xstrtokparams	strtok_buf;

+Bool		found;

+

+

+   l_ndx_present = v_ndx_present = present= 0;

+   str= &line->line[1];

+   len = remap->number;

+   bzero((char *)remap,sizeof(RemapSpec));

+   remap->number = len;

+   while ((tok=_XStrtok(str," ",strtok_buf))!=NULL) {

+	found= FALSE;

+	str= NULL;

+	if (strcmp(tok,"=")==0)

+	    continue;

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

+            len = strlen(cname[i]);

+	    if (strncmp(cname[i],tok,len)==0) {

+		if(strlen(tok) > len) {

+		    char *end = get_index(tok+len, &ndx);

+		    if ((i != LAYOUT && i != VARIANT) ||

+			*end != '\0' || ndx == -1)

+		        break;

+		     if (ndx < 1 || ndx > XkbNumKbdGroups) {

+		        DebugF("Illegal %s index: %d\n", cname[i], ndx);

+		        DebugF("Index must be in range 1..%d\n",

+				   XkbNumKbdGroups);

+			break;

+		     }

+                } else {

+		    ndx = 0;

+                }

+		found= TRUE;

+		if (present&(1<<i)) {

+		    if ((i == LAYOUT && l_ndx_present&(1<<ndx)) ||

+			(i == VARIANT && v_ndx_present&(1<<ndx)) ) {

+		        DebugF("Component \"%s\" listed twice\n",tok);

+		        DebugF("Second definition ignored\n");

+		        break;

+		    }

+		}

+		present |= (1<<i);

+                if (i == LAYOUT)

+                    l_ndx_present |= 1 << ndx;

+                if (i == VARIANT)

+                    v_ndx_present |= 1 << ndx;

+		remap->remap[remap->num_remap].word= i;

+		remap->remap[remap->num_remap++].index= ndx;

+		break;

+	    }

+	}

+	if (!found) {

+	    fprintf(stderr,"Unknown component \"%s\" ignored\n",tok);

+	}

+   }

+   if ((present&PART_MASK)==0) {

+	unsigned mask= PART_MASK;

+	ErrorF("Mapping needs at least one of ");

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

+	    if ((1L<<i)&mask) {

+		mask&= ~(1L<<i);

+		if (mask)	DebugF("\"%s,\" ",cname[i]);

+		else		DebugF("or \"%s\"\n",cname[i]);

+	    }

+	}

+	DebugF("Illegal mapping ignored\n");

+	remap->num_remap= 0;

+	return;

+   }

+   if ((present&COMPONENT_MASK)==0) {

+	DebugF("Mapping needs at least one component\n");

+	DebugF("Illegal mapping ignored\n");

+	remap->num_remap= 0;

+	return;

+   }

+   remap->number++;

+   return;

+}

+

+static Bool

+MatchOneOf(char *wanted,char *vals_defined)

+{

+char	*str,*next;

+int	want_len= strlen(wanted);

+

+    for (str=vals_defined,next=NULL;str!=NULL;str=next) {

+	int len;

+	next= strchr(str,',');

+	if (next) {

+	    len= next-str;

+	    next++;

+	}

+	else {

+	    len= strlen(str);

+	}

+	if ((len==want_len)&&(strncmp(wanted,str,len)==0))

+	    return TRUE;

+    }

+    return FALSE;

+}

+

+/***====================================================================***/

+

+static Bool

+CheckLine(	InputLine *		line,

+		RemapSpec *		remap,

+		XkbRF_RulePtr		rule,

+		XkbRF_GroupPtr		group)

+{

+char *		str,*tok;

+register int	nread, i;

+FileSpec	tmp;

+_Xstrtokparams	strtok_buf;

+Bool 		append = FALSE;

+

+    if (line->line[0]=='!') {

+        if (line->line[1] == '$' ||

+            (line->line[1] == ' ' && line->line[2] == '$')) {

+            char *gname = strchr(line->line, '$');

+            char *words = strchr(gname, ' ');

+            if(!words)

+                return FALSE;

+            *words++ = '\0';

+            for (; *words; words++) {

+                if (*words != '=' && *words != ' ')

+                    break;

+            }

+            if (*words == '\0')

+                return FALSE;

+            group->name = _XkbDupString(gname);

+            group->words = _XkbDupString(words);

+            for (i = 1, words = group->words; *words; words++) {

+                 if ( *words == ' ') {

+                     *words++ = '\0';

+                     i++;

+                 }

+            }

+            group->number = i;

+            return TRUE;

+        } else {

+	    SetUpRemap(line,remap);

+	    return FALSE;

+        }

+    }

+

+    if (remap->num_remap==0) {

+	DebugF("Must have a mapping before first line of data\n");

+	DebugF("Illegal line of data ignored\n");

+	return FALSE;

+    }

+    bzero((char *)&tmp,sizeof(FileSpec));

+    str= line->line;

+    for (nread= 0;(tok=_XStrtok(str," ",strtok_buf))!=NULL;nread++) {

+	str= NULL;

+	if (strcmp(tok,"=")==0) {

+	    nread--;

+	    continue;

+	}

+	if (nread>remap->num_remap) {

+	    DebugF("Too many words on a line\n");

+	    DebugF("Extra word \"%s\" ignored\n",tok);

+	    continue;

+	}

+	tmp.name[remap->remap[nread].word]= tok;

+	if (*tok == '+' || *tok == '|')

+	    append = TRUE;

+    }

+    if (nread<remap->num_remap) {

+	DebugF("Too few words on a line: %s\n", line->line);

+	DebugF("line ignored\n");

+	return FALSE;

+    }

+

+    rule->flags= 0;

+    rule->number = remap->number;

+    if (tmp.name[OPTION])

+	 rule->flags|= XkbRF_Option;

+    else if (append)

+	 rule->flags|= XkbRF_Append;

+    else

+	 rule->flags|= XkbRF_Normal;

+    rule->model= _XkbDupString(tmp.name[MODEL]);

+    rule->layout= _XkbDupString(tmp.name[LAYOUT]);

+    rule->variant= _XkbDupString(tmp.name[VARIANT]);

+    rule->option= _XkbDupString(tmp.name[OPTION]);

+

+    rule->keycodes= _XkbDupString(tmp.name[KEYCODES]);

+    rule->symbols= _XkbDupString(tmp.name[SYMBOLS]);

+    rule->types= _XkbDupString(tmp.name[TYPES]);

+    rule->compat= _XkbDupString(tmp.name[COMPAT]);

+    rule->geometry= _XkbDupString(tmp.name[GEOMETRY]);

+

+    rule->layout_num = rule->variant_num = 0;

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

+        if (remap->remap[i].index) {

+	    if (remap->remap[i].word == LAYOUT)

+	        rule->layout_num = remap->remap[i].index;

+	    if (remap->remap[i].word == VARIANT)

+	        rule->variant_num = remap->remap[i].index;

+        }

+    }

+    return TRUE;

+}

+

+static char *

+_Concat(char *str1,char *str2)

+{

+int len;

+

+    if ((!str1)||(!str2))

+	return str1;

+    len= strlen(str1)+strlen(str2)+1;

+    str1= realloc(str1,len * sizeof(char));

+    if (str1)

+	strcat(str1,str2);

+    return str1;

+}

+

+static void

+squeeze_spaces(char *p1)

+{

+   char *p2;

+   for (p2 = p1; *p2; p2++) {

+       *p1 = *p2;

+       if (*p1 != ' ') p1++;

+   }

+   *p1 = '\0';

+}

+

+static Bool

+MakeMultiDefs(XkbRF_MultiDefsPtr mdefs, XkbRF_VarDefsPtr defs)

+{

+

+   bzero((char *)mdefs,sizeof(XkbRF_MultiDefsRec));

+   mdefs->model = defs->model;

+   mdefs->options = _XkbDupString(defs->options);

+   if (mdefs->options) squeeze_spaces(mdefs->options); 

+

+   if (defs->layout) {

+       if (!strchr(defs->layout, ',')) {

+           mdefs->layout[0] = defs->layout;

+       } else {

+           char *p;

+           int i;

+           mdefs->layout[1] = _XkbDupString(defs->layout);

+	   if (mdefs->layout[1] == NULL)

+	      return FALSE;

+           squeeze_spaces(mdefs->layout[1]);

+           p = mdefs->layout[1];

+           for (i = 2; i <= XkbNumKbdGroups; i++) {

+              if ((p = strchr(p, ','))) {

+                 *p++ = '\0';

+                 mdefs->layout[i] = p;

+              } else {

+                 break;

+              }

+           }

+           if (p && (p = strchr(p, ',')))

+              *p = '\0';

+       }

+   }

+

+   if (defs->variant) {

+       if (!strchr(defs->variant, ',')) {

+           mdefs->variant[0] = defs->variant;

+       } else {

+           char *p;

+           int i;

+           mdefs->variant[1] = _XkbDupString(defs->variant);

+	   if (mdefs->variant[1] == NULL)

+	      return FALSE;

+           squeeze_spaces(mdefs->variant[1]);

+           p = mdefs->variant[1];

+           for (i = 2; i <= XkbNumKbdGroups; i++) {

+              if ((p = strchr(p, ','))) {

+                 *p++ = '\0';

+                 mdefs->variant[i] = p;

+              } else {

+                 break;

+              }

+           }

+           if (p && (p = strchr(p, ',')))

+              *p = '\0';

+       }

+   }

+   return TRUE;

+}

+

+static void

+FreeMultiDefs(XkbRF_MultiDefsPtr defs)

+{

+  if (defs->options) free(defs->options);

+  if (defs->layout[1])  free(defs->layout[1]);

+  if (defs->variant[1])  free(defs->variant[1]);

+}

+

+static void

+Apply(char *src, char **dst)

+{

+    if (src) {

+        if (*src == '+' || *src == '!') {

+	    *dst= _Concat(*dst, src);

+        } else {

+            if (*dst == NULL)

+	        *dst= _XkbDupString(src);

+        }

+    }

+}

+

+static void

+XkbRF_ApplyRule(	XkbRF_RulePtr 		rule,

+			XkbComponentNamesPtr	names)

+{

+    rule->flags&= ~XkbRF_PendingMatch; /* clear the flag because it's applied */

+

+    Apply(rule->keycodes, &names->keycodes);

+    Apply(rule->symbols,  &names->symbols);

+    Apply(rule->types,    &names->types);

+    Apply(rule->compat,   &names->compat);

+    Apply(rule->geometry, &names->geometry);

+}

+

+static Bool

+CheckGroup(	XkbRF_RulesPtr          rules,

+		char * 			group_name,

+		char * 			name)

+{

+   int i;

+   char *p;

+   XkbRF_GroupPtr group;

+

+   for (i = 0, group = rules->groups; i < rules->num_groups; i++, group++) {

+       if (! strcmp(group->name, group_name)) {

+           break;

+       }

+   }

+   if (i == rules->num_groups)

+       return FALSE;

+   for (i = 0, p = group->words; i < group->number; i++, p += strlen(p)+1) {

+       if (! strcmp(p, name)) {

+           return TRUE;

+       }

+   }

+   return FALSE;

+}

+

+static int

+XkbRF_CheckApplyRule(	XkbRF_RulePtr 		rule,

+			XkbRF_MultiDefsPtr	mdefs,

+			XkbComponentNamesPtr	names,

+			XkbRF_RulesPtr          rules)

+{

+    Bool pending = FALSE;

+

+    if (rule->model != NULL) {

+        if(mdefs->model == NULL)

+            return 0;

+        if (strcmp(rule->model, "*") == 0) {

+            pending = TRUE;

+        } else {

+            if (rule->model[0] == '$') {

+               if (!CheckGroup(rules, rule->model, mdefs->model))

+                  return 0;

+            } else {

+	       if (strcmp(rule->model, mdefs->model) != 0)

+	          return 0;

+	    }

+	}

+    }

+    if (rule->option != NULL) {

+	if (mdefs->options == NULL)

+	    return 0;

+	if ((!MatchOneOf(rule->option,mdefs->options)))

+	    return 0;

+    }

+

+    if (rule->layout != NULL) {

+	if(mdefs->layout[rule->layout_num] == NULL ||

+	   *mdefs->layout[rule->layout_num] == '\0')

+	    return 0;

+        if (strcmp(rule->layout, "*") == 0) {

+            pending = TRUE;

+        } else {

+            if (rule->layout[0] == '$') {

+               if (!CheckGroup(rules, rule->layout,

+                               mdefs->layout[rule->layout_num]))

+                  return 0;

+	    } else {

+	       if (strcmp(rule->layout, mdefs->layout[rule->layout_num]) != 0)

+	           return 0;

+	    }

+	}

+    }

+    if (rule->variant != NULL) {

+	if (mdefs->variant[rule->variant_num] == NULL ||

+	    *mdefs->variant[rule->variant_num] == '\0')

+	    return 0;

+        if (strcmp(rule->variant, "*") == 0) {

+            pending = TRUE;

+        } else {

+            if (rule->variant[0] == '$') {

+               if (!CheckGroup(rules, rule->variant,

+                               mdefs->variant[rule->variant_num]))

+                  return 0;

+            } else {

+	       if (strcmp(rule->variant,

+                          mdefs->variant[rule->variant_num]) != 0)

+	           return 0;

+	    }

+	}

+    }

+    if (pending) {

+        rule->flags|= XkbRF_PendingMatch;

+	return rule->number;

+    }

+    /* exact match, apply it now */

+    XkbRF_ApplyRule(rule,names);

+    return rule->number;

+}

+

+static void

+XkbRF_ClearPartialMatches(XkbRF_RulesPtr rules)

+{

+register int 	i;

+XkbRF_RulePtr	rule;

+

+    for (i=0,rule=rules->rules;i<rules->num_rules;i++,rule++) {

+	rule->flags&= ~XkbRF_PendingMatch;

+    }

+}

+

+static void

+XkbRF_ApplyPartialMatches(XkbRF_RulesPtr rules,XkbComponentNamesPtr names)

+{

+int		i;

+XkbRF_RulePtr	rule;

+

+    for (rule = rules->rules, i = 0; i < rules->num_rules; i++, rule++) {

+	if ((rule->flags&XkbRF_PendingMatch)==0)

+	    continue;

+	XkbRF_ApplyRule(rule,names);

+    }

+}

+

+static void

+XkbRF_CheckApplyRules(	XkbRF_RulesPtr 		rules,

+			XkbRF_MultiDefsPtr	mdefs,

+			XkbComponentNamesPtr	names,

+			int			flags)

+{

+int		i;

+XkbRF_RulePtr	rule;

+int		skip;

+

+    for (rule = rules->rules, i=0; i < rules->num_rules; rule++, i++) {

+	if ((rule->flags & flags) != flags)

+	    continue;

+	skip = XkbRF_CheckApplyRule(rule, mdefs, names, rules);

+	if (skip && !(flags & XkbRF_Option)) {

+	    for ( ;(i < rules->num_rules) && (rule->number == skip);

+		  rule++, i++);

+	    rule--; i--;

+	}

+    }

+}

+

+/***====================================================================***/

+

+static char *

+XkbRF_SubstituteVars(char *name, XkbRF_MultiDefsPtr mdefs)

+{

+char 	*str, *outstr, *orig, *var;

+int	len, ndx;

+

+    orig= name;

+    str= index(name,'%');

+    if (str==NULL)

+	return name;

+    len= strlen(name);

+    while (str!=NULL) {

+	char pfx= str[1];

+	int   extra_len= 0;

+	if ((pfx=='+')||(pfx=='|')||(pfx=='_')||(pfx=='-')) {

+	    extra_len= 1;

+	    str++;

+	}

+	else if (pfx=='(') {

+	    extra_len= 2;

+	    str++;

+	}

+	var = str + 1;

+	str = get_index(var + 1, &ndx);

+	if (ndx == -1) {

+	    str = index(str,'%');

+	    continue;

+        }

+	if ((*var=='l') && mdefs->layout[ndx] && *mdefs->layout[ndx])

+	    len+= strlen(mdefs->layout[ndx])+extra_len;

+	else if ((*var=='m')&&mdefs->model)

+	    len+= strlen(mdefs->model)+extra_len;

+	else if ((*var=='v') && mdefs->variant[ndx] && *mdefs->variant[ndx])

+	    len+= strlen(mdefs->variant[ndx])+extra_len;

+	if ((pfx=='(')&&(*str==')')) {

+	    str++;

+	}

+	str= index(&str[0],'%');

+    }

+    name= malloc(len+1);

+    str= orig;

+    outstr= name;

+    while (*str!='\0') {

+	if (str[0]=='%') {

+	    char pfx,sfx;

+	    str++;

+	    pfx= str[0];

+	    sfx= '\0';

+	    if ((pfx=='+')||(pfx=='|')||(pfx=='_')||(pfx=='-')) {

+		str++;

+	    }

+	    else if (pfx=='(') {

+		sfx= ')';

+		str++;

+	    }

+	    else pfx= '\0';

+

+	    var = str;

+	    str = get_index(var + 1, &ndx);

+	    if (ndx == -1) {

+	        continue;

+            }

+	    if ((*var=='l') && mdefs->layout[ndx] && *mdefs->layout[ndx]) {

+		if (pfx) *outstr++= pfx;

+		strcpy(outstr,mdefs->layout[ndx]);

+		outstr+= strlen(mdefs->layout[ndx]);

+		if (sfx) *outstr++= sfx;

+	    }

+	    else if ((*var=='m')&&(mdefs->model)) {

+		if (pfx) *outstr++= pfx;

+		strcpy(outstr,mdefs->model);

+		outstr+= strlen(mdefs->model);

+		if (sfx) *outstr++= sfx;

+	    }

+	    else if ((*var=='v') && mdefs->variant[ndx] && *mdefs->variant[ndx]) {

+		if (pfx) *outstr++= pfx;

+		strcpy(outstr,mdefs->variant[ndx]);

+		outstr+= strlen(mdefs->variant[ndx]);

+		if (sfx) *outstr++= sfx;

+	    }

+	    if ((pfx=='(')&&(*str==')'))

+		str++;

+	}

+	else {

+	    *outstr++= *str++;

+	}

+    }

+    *outstr++= '\0';

+    if (orig!=name)

+	free(orig);

+    return name;

+}

+

+/***====================================================================***/

+

+Bool

+XkbRF_GetComponents(	XkbRF_RulesPtr		rules,

+			XkbRF_VarDefsPtr	defs,

+			XkbComponentNamesPtr	names)

+{

+    XkbRF_MultiDefsRec mdefs;

+

+    MakeMultiDefs(&mdefs, defs);

+

+    bzero((char *)names,sizeof(XkbComponentNamesRec));

+    XkbRF_ClearPartialMatches(rules);

+    XkbRF_CheckApplyRules(rules, &mdefs, names, XkbRF_Normal);

+    XkbRF_ApplyPartialMatches(rules, names);

+    XkbRF_CheckApplyRules(rules, &mdefs, names, XkbRF_Append);

+    XkbRF_ApplyPartialMatches(rules, names);

+    XkbRF_CheckApplyRules(rules, &mdefs, names, XkbRF_Option);

+

+    if (names->keycodes)

+	names->keycodes= XkbRF_SubstituteVars(names->keycodes, &mdefs);

+    if (names->symbols)	

+	names->symbols=	XkbRF_SubstituteVars(names->symbols, &mdefs);

+    if (names->types)

+	names->types= XkbRF_SubstituteVars(names->types, &mdefs);

+    if (names->compat)

+	names->compat= XkbRF_SubstituteVars(names->compat, &mdefs);

+    if (names->geometry)

+	names->geometry= XkbRF_SubstituteVars(names->geometry, &mdefs);

+

+    FreeMultiDefs(&mdefs);

+    return (names->keycodes && names->symbols && names->types &&

+		names->compat && names->geometry);

+}

+

+static XkbRF_RulePtr

+XkbRF_AddRule(XkbRF_RulesPtr	rules)

+{

+    if (rules->sz_rules<1) {

+	rules->sz_rules= 16;

+	rules->num_rules= 0;

+	rules->rules= calloc(rules->sz_rules, sizeof(XkbRF_RuleRec));

+    }

+    else if (rules->num_rules>=rules->sz_rules) {

+	rules->sz_rules*= 2;

+	rules->rules= realloc(rules->rules,

+				rules->sz_rules * sizeof(XkbRF_RuleRec));

+    }

+    if (!rules->rules) {

+	rules->sz_rules= rules->num_rules= 0;

+	DebugF("Allocation failure in XkbRF_AddRule\n");

+	return NULL;

+    }

+    bzero((char *)&rules->rules[rules->num_rules],sizeof(XkbRF_RuleRec));

+    return &rules->rules[rules->num_rules++];

+}

+

+static XkbRF_GroupPtr

+XkbRF_AddGroup(XkbRF_RulesPtr	rules)

+{

+    if (rules->sz_groups<1) {

+	rules->sz_groups= 16;

+	rules->num_groups= 0;

+	rules->groups= calloc(rules->sz_groups, sizeof(XkbRF_GroupRec));

+    }

+    else if (rules->num_groups >= rules->sz_groups) {

+	rules->sz_groups *= 2;

+	rules->groups= realloc(rules->groups,

+				rules->sz_groups * sizeof(XkbRF_GroupRec));

+    }

+    if (!rules->groups) {

+	rules->sz_groups= rules->num_groups= 0;

+	return NULL;

+    }

+

+    bzero((char *)&rules->groups[rules->num_groups],sizeof(XkbRF_GroupRec));

+    return &rules->groups[rules->num_groups++];

+}

+

+Bool

+XkbRF_LoadRules(FILE *file, XkbRF_RulesPtr rules)

+{

+InputLine	line;

+RemapSpec	remap;

+XkbRF_RuleRec	trule,*rule;

+XkbRF_GroupRec  tgroup,*group;

+

+    if (!(rules && file))

+	return FALSE;

+    bzero((char *)&remap,sizeof(RemapSpec));

+    bzero((char *)&tgroup,sizeof(XkbRF_GroupRec));

+    InitInputLine(&line);

+    while (GetInputLine(file,&line,TRUE)) {

+	if (CheckLine(&line,&remap,&trule,&tgroup)) {

+            if (tgroup.number) {

+	        if ((group= XkbRF_AddGroup(rules))!=NULL) {

+		    *group= tgroup;

+		    bzero((char *)&tgroup,sizeof(XkbRF_GroupRec));

+	        }

+	    } else {

+	        if ((rule= XkbRF_AddRule(rules))!=NULL) {

+		    *rule= trule;

+		    bzero((char *)&trule,sizeof(XkbRF_RuleRec));

+	        }

+	    }

+	}

+	line.num_line= 0;

+    }

+    FreeInputLine(&line);

+    return TRUE;

+}

+

+Bool

+XkbRF_LoadRulesByName(char *base,char *locale,XkbRF_RulesPtr rules)

+{

+FILE *		file;

+char		buf[PATH_MAX];

+Bool		ok;

+

+    if ((!base)||(!rules))

+	return FALSE;

+    if (locale) {

+	if (strlen(base)+strlen(locale)+2 > PATH_MAX)

+	    return FALSE;

+	sprintf(buf,"%s-%s", base, locale);

+    }

+    else {

+	if (strlen(base)+1 > PATH_MAX)

+	    return FALSE;

+	strcpy(buf,base);

+    }

+

+    file= fopen(buf, "r");

+    if ((!file)&&(locale)) { /* fallback if locale was specified */

+	strcpy(buf,base);

+	file= fopen(buf, "r");

+    }

+    if (!file)

+	return FALSE;

+    ok= XkbRF_LoadRules(file,rules);

+    fclose(file);

+    return ok;

+}

+

+/***====================================================================***/

+

+XkbRF_RulesPtr

+XkbRF_Create(void)

+{

+    return calloc(1, sizeof( XkbRF_RulesRec));

+}

+

+/***====================================================================***/

+

+void

+XkbRF_Free(XkbRF_RulesPtr rules,Bool freeRules)

+{

+int		i;

+XkbRF_RulePtr	rule;

+XkbRF_GroupPtr	group;

+

+    if (!rules)

+	return;

+    if (rules->rules) {

+	for (i=0,rule=rules->rules;i<rules->num_rules;i++,rule++) {

+	    if (rule->model)	free(rule->model);

+	    if (rule->layout)	free(rule->layout);

+	    if (rule->variant)	free(rule->variant);

+	    if (rule->option)	free(rule->option);

+	    if (rule->keycodes)	free(rule->keycodes);

+	    if (rule->symbols)	free(rule->symbols);

+	    if (rule->types)	free(rule->types);

+	    if (rule->compat)	free(rule->compat);

+	    if (rule->geometry)	free(rule->geometry);

+	    bzero((char *)rule,sizeof(XkbRF_RuleRec));

+	}

+	free(rules->rules);

+	rules->num_rules= rules->sz_rules= 0;

+	rules->rules= NULL;

+    }

+

+    if (rules->groups) {

+	for (i=0, group=rules->groups;i<rules->num_groups;i++,group++) {

+	    if (group->name)	free(group->name);

+	    if (group->words)	free(group->words);

+	}

+	free(rules->groups);

+	rules->num_groups= 0;

+	rules->groups= NULL;

+    }

+    if (freeRules)

+	free(rules);

+    return;

+}