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xserver-multidpi/xkb/maprules.c

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R6.6 is the Xorg base-line
2003-11-14 16:54:54 +01:00
/* $Xorg: maprules.c,v 1.4 2000/08/17 19:46:43 cpqbld Exp $ */
/************************************************************
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.
********************************************************/
#include <stdio.h>
#include <ctype.h>
#ifndef X_NOT_STDC_ENV
#include <stdlib.h>
#endif
#define X_INCLUDE_STRING_H
#define XOS_USE_NO_LOCKING
#include <X11/Xos_r.h>
#ifndef XKB_IN_SERVER
#include <X11/Xproto.h>
#include <X11/Xlib.h>
#include <X11/Xos.h>
#include <X11/Xfuncs.h>
#include <X11/Xatom.h>
#include <X11/keysym.h>
#include <X11/XKBlib.h>
#include <X11/extensions/XKBgeom.h>
#include "XKMformat.h"
#include "XKBfileInt.h"
#include "XKBrules.h"
#else
#define NEED_EVENTS
#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 "XKBstr.h"
#define XKBSRV_NEED_FILE_FUNCS
#include "XKBsrv.h"
#endif
#ifdef DEBUG
#define PR_DEBUG(s) fprintf(stderr,s)
#define PR_DEBUG1(s,a) fprintf(stderr,s,a)
#else
#define PR_DEBUG(s)
#define PR_DEBUG1(s,a)
#endif
/***====================================================================***/
#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
#if NeedFunctionPrototypes
InitInputLine(InputLine *line)
#else
InitInputLine(line)
InputLine * line;
#endif
{
line->line_num= 1;
line->num_line= 0;
line->sz_line= DFLT_LINE_SIZE;
line->line= line->buf;
return;
}
static void
#if NeedFunctionPrototypes
FreeInputLine(InputLine *line)
#else
FreeInputLine(line)
InputLine *line;
#endif
{
if (line->line!=line->buf)
_XkbFree(line->line);
line->line_num= 1;
line->num_line= 0;
line->sz_line= DFLT_LINE_SIZE;
line->line= line->buf;
return;
}
static int
#if NeedFunctionPrototypes
InputLineAddChar(InputLine *line,int ch)
#else
InputLineAddChar(line,ch)
InputLine * line;
int ch;
#endif
{
if (line->num_line>=line->sz_line) {
if (line->line==line->buf) {
line->line= (char *)_XkbAlloc(line->sz_line*2);
memcpy(line->line,line->buf,line->sz_line);
}
else {
line->line=(char *)_XkbRealloc((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
#if NeedFunctionPrototypes
GetInputLine(FILE *file,InputLine *line,Bool checkbang)
#else
GetInputLine(file,line,checkbang)
FILE * file;
InputLine * line;
Bool checkbang;
#endif
{
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) {
PR_DEBUG("The '!' legal only at start of line\n");
PR_DEBUG("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 KEYMAP 9
#define MAX_WORDS 10
#define PART_MASK 0x000F
#define COMPONENT_MASK 0x03F0
static char * cname[MAX_WORDS] = {
"model", "layout", "variant", "option",
"keycodes", "symbols", "types", "compat", "geometry", "keymap"
};
typedef struct _RemapSpec {
int num_remap;
int remap[MAX_WORDS];
} RemapSpec;
typedef struct _FileSpec {
char * name[MAX_WORDS];
struct _FileSpec * pending;
} FileSpec;
/***====================================================================***/
static void
#if NeedFunctionPrototypes
SetUpRemap(InputLine *line,RemapSpec *remap)
#else
SetUpRemap(line,remap)
InputLine * line;
RemapSpec * remap;
#endif
{
char * tok,*str;
unsigned present;
register int i;
#ifdef DEBUG
Bool found;
#endif
_Xstrtokparams strtok_buf;
present= 0;
str= &line->line[1];
bzero((char *)remap,sizeof(RemapSpec));
while ((tok=_XStrtok(str," ",strtok_buf))!=NULL) {
#ifdef DEBUG
found= False;
#endif
str= NULL;
if (strcmp(tok,"=")==0)
continue;
for (i=0;i<MAX_WORDS;i++) {
if (strcmp(cname[i],tok)==0) {
#ifdef DEBUG
found= True;
#endif
if (present&(1<<i)) {
PR_DEBUG1("Component \"%s\" listed twice\n",tok);
PR_DEBUG("Second definition ignored\n");
break;
}
present|= (1<<i);
remap->remap[remap->num_remap++]= i;
break;
}
}
#ifdef DEBUG
if (!found) {
fprintf(stderr,"Unknown component \"%s\" ignored\n",tok);
}
#endif
}
if ((present&PART_MASK)==0) {
#ifdef DEBUG
unsigned mask= PART_MASK;
fprintf(stderr,"Mapping needs at one of ");
for (i=0;(i<MAX_WORDS)&mask;i++) {
if ((1L<<i)&mask) {
mask&= ~(1L<<i);
if (mask) fprintf(stderr,"\"%s,\" ",cname[i]);
else fprintf(stderr,"or \"%s\"\n",cname[i]);
}
}
fprintf(stderr,"Illegal mapping ignored\n");
#endif
remap->num_remap= 0;
return;
}
if ((present&COMPONENT_MASK)==0) {
PR_DEBUG("Mapping needs at least one component\n");
PR_DEBUG("Illegal mapping ignored\n");
remap->num_remap= 0;
return;
}
if (((present&PART_MASK)&(1<<OPTION))&&
((present&PART_MASK)!=(1<<OPTION))) {
PR_DEBUG("Options cannot appear with other parts\n");
PR_DEBUG("Illegal mapping ignored\n");
remap->num_remap= 0;
return;
}
if (((present&COMPONENT_MASK)&(1<<KEYMAP))&&
((present&COMPONENT_MASK)!=(1<<KEYMAP))) {
PR_DEBUG("Keymap cannot appear with other components\n");
PR_DEBUG("Illegal mapping ignored\n");
remap->num_remap= 0;
return;
}
return;
}
static Bool
#if NeedFunctionPrototypes
MatchOneOf(char *wanted,char *vals_defined)
#else
MatchOneOf(wanted,vals_defined)
char * wanted;
char * vals_defined;
#endif
{
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
#if NeedFunctionPrototypes
CheckLine( InputLine * line,
RemapSpec * remap,
XkbRF_RulePtr rule)
#else
CheckLine(line,remap,rule)
InputLine * line;
RemapSpec * remap;
XkbRF_RulePtr rule;
#endif
{
char * str,*tok;
register int nread;
FileSpec tmp;
_Xstrtokparams strtok_buf;
if (line->line[0]=='!') {
SetUpRemap(line,remap);
return False;
}
if (remap->num_remap==0) {
PR_DEBUG("Must have a mapping before first line of data\n");
PR_DEBUG("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) {
PR_DEBUG("Too many words on a line\n");
PR_DEBUG1("Extra word \"%s\" ignored\n",tok);
continue;
}
tmp.name[remap->remap[nread]]= tok;
}
if (nread<remap->num_remap) {
PR_DEBUG("Too few words on a line\n");
PR_DEBUG("line ignored\n");
return False;
}
if ((tmp.name[MODEL]!=NULL)&&(strcmp(tmp.name[MODEL],"*")==0))
tmp.name[MODEL]= NULL;
if ((tmp.name[LAYOUT]!=NULL)&&(strcmp(tmp.name[LAYOUT],"*")==0))
tmp.name[LAYOUT]= NULL;
if ((tmp.name[VARIANT]!=NULL)&&(strcmp(tmp.name[VARIANT],"*")==0))
tmp.name[VARIANT]= NULL;
rule->flags= 0;
if (tmp.name[OPTION])
rule->flags|= XkbRF_Delayed|XkbRF_Append;
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->keymap= _XkbDupString(tmp.name[KEYMAP]);
return True;
}
static char *
#if NeedFunctionPrototypes
_Concat(char *str1,char *str2)
#else
_Concat(str1,str2)
char * str1;
char * str2;
#endif
{
int len;
if ((!str1)||(!str2))
return str1;
len= strlen(str1)+strlen(str2)+1;
str1= _XkbTypedRealloc(str1,len,char);
if (str1)
strcat(str1,str2);
return str1;
}
Bool
#if NeedFunctionPrototypes
XkbRF_ApplyRule( XkbRF_RulePtr rule,
XkbComponentNamesPtr names)
#else
XkbRF_ApplyRule(rule,names)
XkbRF_RulePtr rule;
XkbComponentNamesPtr names;
#endif
{
rule->flags&= ~XkbRF_PendingMatch; /* clear the flag because it's applied */
if ((rule->flags&XkbRF_Append)==0) {
if ((names->keycodes==NULL)&&(rule->keycodes!=NULL))
names->keycodes= _XkbDupString(rule->keycodes);
if ((names->symbols==NULL)&&(rule->symbols!=NULL))
names->symbols= _XkbDupString(rule->symbols);
if ((names->types==NULL)&&(rule->types!=NULL))
names->types= _XkbDupString(rule->types);
if ((names->compat==NULL)&&(rule->compat!=NULL))
names->compat= _XkbDupString(rule->compat);
if ((names->geometry==NULL)&&(rule->geometry!=NULL))
names->geometry= _XkbDupString(rule->geometry);
if ((names->keymap==NULL)&&(rule->keymap!=NULL))
names->keymap= _XkbDupString(rule->keymap);
}
else {
if (rule->keycodes)
names->keycodes= _Concat(names->keycodes,rule->keycodes);
if (rule->symbols)
names->symbols= _Concat(names->symbols,rule->symbols);
if (rule->types)
names->types= _Concat(names->types,rule->types);
if (rule->compat)
names->compat= _Concat(names->compat,rule->compat);
if (rule->geometry)
names->geometry= _Concat(names->geometry,rule->geometry);
if (rule->keymap)
names->keymap= _Concat(names->keymap,rule->keymap);
}
return (names->keycodes && names->symbols && names->types &&
names->compat && names->geometry ) || names->keymap;
}
#define CHECK_MATCH(r,d) ((((r)[0]=='?')&&((r)[1]=='\0'))||(strcmp(r,d)==0))
Bool
#if NeedFunctionPrototypes
XkbRF_CheckApplyRule( XkbRF_RulePtr rule,
XkbRF_VarDefsPtr defs,
XkbComponentNamesPtr names)
#else
XkbRF_CheckApplyRule(rule,defs,names)
XkbRF_RulePtr rule;
XkbRF_VarDefsPtr defs;
XkbComponentNamesPtr names;
#endif
{
if (rule->model!=NULL) {
if ((!defs->model)||(!CHECK_MATCH(rule->model,defs->model)))
return False;
}
if (rule->layout!=NULL) {
if ((!defs->layout)||(!CHECK_MATCH(rule->layout,defs->layout)))
return False;
}
if (rule->variant!=NULL) {
if ((!defs->variant)||(!CHECK_MATCH(rule->variant,defs->variant)))
return False;
}
if (rule->option!=NULL) {
if ((!defs->options)||(!MatchOneOf(rule->option,defs->options)))
return False;
}
if ((!rule->option)&&
((!rule->model)||(!rule->layout)||(!rule->variant))) {
/* partial map -- partial maps are applied in the order they */
/* appear, but all partial maps come before any options. */
rule->flags|= XkbRF_PendingMatch;
return False;
}
/* exact match, apply it now */
return XkbRF_ApplyRule(rule,names);
}
void
#if NeedFunctionPrototypes
XkbRF_ClearPartialMatches(XkbRF_RulesPtr rules)
#else
XkbRF_ClearPartialMatches(rules)
XkbRF_RulesPtr rules;
#endif
{
register int i;
XkbRF_RulePtr rule;
for (i=0,rule=rules->rules;i<rules->num_rules;i++,rule++) {
rule->flags&= ~XkbRF_PendingMatch;
}
}
Bool
#if NeedFunctionPrototypes
XkbRF_ApplyPartialMatches(XkbRF_RulesPtr rules,XkbComponentNamesPtr names)
#else
XkbRF_ApplyPartialMatches(rules,names)
XkbRF_RulesPtr rules;
XkbComponentNamesPtr names;
#endif
{
int i;
XkbRF_RulePtr rule;
Bool complete;
complete= False;
for (rule=rules->rules,i=0;(i<rules->num_rules)&&(!complete);i++,rule++) {
if ((rule->flags&XkbRF_PendingMatch)==0)
continue;
complete= XkbRF_ApplyRule(rule,names);
}
return complete;
}
void
#if NeedFunctionPrototypes
XkbRF_CheckApplyDelayedRules( XkbRF_RulesPtr rules,
XkbRF_VarDefsPtr defs,
XkbComponentNamesPtr names)
#else
XkbRF_CheckApplyDelayedRules(rules,defs,names)
XkbRF_RulesPtr rules;
XkbRF_VarDefsPtr defs;
XkbComponentNamesPtr names;
#endif
{
int i;
XkbRF_RulePtr rule;
for (rule=rules->rules,i=0;(i<rules->num_rules);i++,rule++) {
if ((rule->flags&XkbRF_Delayed)==0)
continue;
XkbRF_CheckApplyRule(rule,defs,names);
}
return;
}
Bool
#if NeedFunctionPrototypes
XkbRF_CheckApplyRules( XkbRF_RulesPtr rules,
XkbRF_VarDefsPtr defs,
XkbComponentNamesPtr names)
#else
XkbRF_CheckApplyRules(rules,defs,names)
XkbRF_RulesPtr rules;
XkbRF_VarDefsPtr defs;
XkbComponentNamesPtr names;
#endif
{
int i;
XkbRF_RulePtr rule;
Bool complete;
complete= False;
for (rule=rules->rules,i=0;(i<rules->num_rules)&&(!complete);i++,rule++) {
if ((rule->flags&XkbRF_Delayed)!=0)
continue;
complete= XkbRF_CheckApplyRule(rule,defs,names);
}
return complete;
}
/***====================================================================***/
char *
#if NeedFunctionPrototypes
XkbRF_SubstituteVars(char *name,XkbRF_VarDefsPtr defs)
#else
XkbRF_SubstituteVars(name,defs)
char * name;
XkbRF_VarDefsPtr defs;
#endif
{
char *str,*outstr,*orig;
int len;
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++;
}
if ((str[1]=='l')&&defs->layout)
len+= strlen(defs->layout)+extra_len;
else if ((str[1]=='m')&&defs->model)
len+= strlen(defs->model)+extra_len;
else if ((str[1]=='v')&&defs->variant)
len+= strlen(defs->variant)+extra_len;
if ((pfx=='(')&&(str[2]==')')) {
str++;
}
str= index(&str[1],'%');
}
name= (char *)_XkbAlloc(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';
if ((str[0]=='l')&&(defs->layout)) {
if (pfx) *outstr++= pfx;
strcpy(outstr,defs->layout);
outstr+= strlen(defs->layout);
if (sfx) *outstr++= sfx;
}
else if ((str[0]=='m')&&(defs->model)) {
if (pfx) *outstr++= pfx;
strcpy(outstr,defs->model);
outstr+= strlen(defs->model);
if (sfx) *outstr++= sfx;
}
else if ((str[0]=='v')&&(defs->variant)) {
if (pfx) *outstr++= pfx;
strcpy(outstr,defs->variant);
outstr+= strlen(defs->variant);
if (sfx) *outstr++= sfx;
}
str++;
if ((pfx=='(')&&(str[0]==')'))
str++;
}
else {
*outstr++= *str++;
}
}
*outstr++= '\0';
if (orig!=name)
_XkbFree(orig);
return name;
}
/***====================================================================***/
Bool
#if NeedFunctionPrototypes
XkbRF_GetComponents( XkbRF_RulesPtr rules,
XkbRF_VarDefsPtr defs,
XkbComponentNamesPtr names)
#else
XkbRF_GetComponents(rules,defs,names)
XkbRF_RulesPtr rules;
XkbRF_VarDefsPtr defs;
XkbComponentNamesPtr names;
#endif
{
Bool complete;
bzero((char *)names,sizeof(XkbComponentNamesRec));
XkbRF_ClearPartialMatches(rules);
complete= XkbRF_CheckApplyRules(rules,defs,names);
if (!complete)
complete= XkbRF_ApplyPartialMatches(rules,names);
XkbRF_CheckApplyDelayedRules(rules,defs,names);
if (names->keycodes)
names->keycodes= XkbRF_SubstituteVars(names->keycodes,defs);
if (names->symbols)
names->symbols= XkbRF_SubstituteVars(names->symbols,defs);
if (names->types)
names->types= XkbRF_SubstituteVars(names->types,defs);
if (names->compat)
names->compat= XkbRF_SubstituteVars(names->compat,defs);
if (names->geometry)
names->geometry= XkbRF_SubstituteVars(names->geometry,defs);
if (names->keymap)
names->keymap= XkbRF_SubstituteVars(names->keymap,defs);
return (names->keycodes && names->symbols && names->types &&
names->compat && names->geometry ) || names->keymap;
}
XkbRF_RulePtr
#if NeedFunctionPrototypes
XkbRF_AddRule(XkbRF_RulesPtr rules)
#else
XkbRF_AddRule(rules)
XkbRF_RulesPtr rules;
#endif
{
if (rules->sz_rules<1) {
rules->sz_rules= 16;
rules->num_rules= 0;
rules->rules= _XkbTypedCalloc(rules->sz_rules,XkbRF_RuleRec);
}
else if (rules->num_rules>=rules->sz_rules) {
rules->sz_rules*= 2;
rules->rules= _XkbTypedRealloc(rules->rules,rules->sz_rules,
XkbRF_RuleRec);
}
if (!rules->rules) {
rules->sz_rules= rules->num_rules= 0;
#ifdef DEBUG
fprintf(stderr,"Allocation failure in XkbRF_AddRule\n");
#endif
return NULL;
}
bzero((char *)&rules->rules[rules->num_rules],sizeof(XkbRF_RuleRec));
return &rules->rules[rules->num_rules++];
}
Bool
#if NeedFunctionPrototypes
XkbRF_LoadRules(FILE *file, XkbRF_RulesPtr rules)
#else
XkbRF_LoadRules(file,rules)
FILE * file;
XkbRF_RulesPtr rules;
#endif
{
InputLine line;
RemapSpec remap;
XkbRF_RuleRec trule,*rule;
if (!(rules && file))
return False;
bzero((char *)&remap,sizeof(RemapSpec));
InitInputLine(&line);
while (GetInputLine(file,&line,True)) {
if (CheckLine(&line,&remap,&trule)) {
if ((rule= XkbRF_AddRule(rules))!=NULL) {
*rule= trule;
bzero((char *)&trule,sizeof(XkbRF_RuleRec));
}
}
line.num_line= 0;
}
FreeInputLine(&line);
return True;
}
Bool
#if NeedFunctionPrototypes
XkbRF_LoadRulesByName(char *base,char *locale,XkbRF_RulesPtr rules)
#else
XkbRF_LoadRulesByName(base,locale,rules)
char * base;
char * locale;
XkbRF_RulesPtr rules;
#endif
{
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;
}
/***====================================================================***/
#define HEAD_NONE 0
#define HEAD_MODEL 1
#define HEAD_LAYOUT 2
#define HEAD_VARIANT 3
#define HEAD_OPTION 4
#define HEAD_EXTRA 5
XkbRF_VarDescPtr
#if NeedFunctionPrototypes
XkbRF_AddVarDesc(XkbRF_DescribeVarsPtr vars)
#else
XkbRF_AddVarDesc(vars)
XkbRF_DescribeVarsPtr vars;
#endif
{
if (vars->sz_desc<1) {
vars->sz_desc= 16;
vars->num_desc= 0;
vars->desc= _XkbTypedCalloc(vars->sz_desc,XkbRF_VarDescRec);
}
else if (vars->num_desc>=vars->sz_desc) {
vars->sz_desc*= 2;
vars->desc= _XkbTypedRealloc(vars->desc,vars->sz_desc,XkbRF_VarDescRec);
}
if (!vars->desc) {
vars->sz_desc= vars->num_desc= 0;
PR_DEBUG("Allocation failure in XkbRF_AddVarDesc\n");
return NULL;
}
vars->desc[vars->num_desc].name= NULL;
vars->desc[vars->num_desc].desc= NULL;
return &vars->desc[vars->num_desc++];
}
XkbRF_VarDescPtr
#if NeedFunctionPrototypes
XkbRF_AddVarDescCopy(XkbRF_DescribeVarsPtr vars,XkbRF_VarDescPtr from)
#else
XkbRF_AddVarDescCopy(vars,from)
XkbRF_DescribeVarsPtr vars;
XkbRF_VarDescPtr from;
#endif
{
XkbRF_VarDescPtr nd;
if ((nd=XkbRF_AddVarDesc(vars))!=NULL) {
nd->name= _XkbDupString(from->name);
nd->desc= _XkbDupString(from->desc);
}
return nd;
}
XkbRF_DescribeVarsPtr
#if NeedFunctionPrototypes
XkbRF_AddVarToDescribe(XkbRF_RulesPtr rules,char *name)
#else
XkbRF_AddVarToDescribe(rules,name)
XkbRF_RulesPtr rules;
char * name;
#endif
{
if (rules->sz_extra<1) {
rules->num_extra= 0;
rules->sz_extra= 1;
rules->extra_names= _XkbTypedCalloc(rules->sz_extra,char *);
rules->extra= _XkbTypedCalloc(rules->sz_extra, XkbRF_DescribeVarsRec);
}
else if (rules->num_extra>=rules->sz_extra) {
rules->sz_extra*= 2;
rules->extra_names= _XkbTypedRealloc(rules->extra_names,rules->sz_extra,
char *);
rules->extra=_XkbTypedRealloc(rules->extra, rules->sz_extra,
XkbRF_DescribeVarsRec);
}
if ((!rules->extra_names)||(!rules->extra)) {
PR_DEBUG("allocation error in extra parts\n");
rules->sz_extra= rules->num_extra= 0;
rules->extra_names= NULL;
rules->extra= NULL;
return NULL;
}
rules->extra_names[rules->num_extra]= _XkbDupString(name);
bzero(&rules->extra[rules->num_extra],sizeof(XkbRF_DescribeVarsRec));
return &rules->extra[rules->num_extra++];
}
Bool
#if NeedFunctionPrototypes
XkbRF_LoadDescriptions(FILE *file,XkbRF_RulesPtr rules)
#else
XkbRF_LoadDescriptions(file,rules)
FILE * file;
XkbRF_RulesPtr rules;
#endif
{
InputLine line;
XkbRF_VarDescRec tmp;
char *tok;
int len,headingtype,extra_ndx;
bzero((char *)&tmp, sizeof(XkbRF_VarDescRec));
headingtype = HEAD_NONE;
InitInputLine(&line);
for ( ; GetInputLine(file,&line,False); line.num_line= 0) {
if (line.line[0]=='!') {
tok = strtok(&(line.line[1]), " \t");
if (!_XkbStrCaseCmp(tok,"model"))
headingtype = HEAD_MODEL;
else if (!_XkbStrCaseCmp(tok,"layout"))
headingtype = HEAD_LAYOUT;
else if (!_XkbStrCaseCmp(tok,"variant"))
headingtype = HEAD_VARIANT;
else if (!_XkbStrCaseCmp(tok,"option"))
headingtype = HEAD_OPTION;
else {
int i;
headingtype = HEAD_EXTRA;
extra_ndx= -1;
for (i=0;(i<rules->num_extra)&&(extra_ndx<0);i++) {
if (!_XkbStrCaseCmp(tok,rules->extra_names[i]))
extra_ndx= i;
}
if (extra_ndx<0) {
XkbRF_DescribeVarsPtr var;
PR_DEBUG1("Extra heading \"%s\" encountered\n",tok);
var= XkbRF_AddVarToDescribe(rules,tok);
if (var)
extra_ndx= var-rules->extra;
else headingtype= HEAD_NONE;
}
}
continue;
}
if (headingtype == HEAD_NONE) {
PR_DEBUG("Must have a heading before first line of data\n");
PR_DEBUG("Illegal line of data ignored\n");
continue;
}
len = strlen(line.line);
if ((tmp.name= strtok(line.line, " \t")) == NULL) {
PR_DEBUG("Huh? No token on line\n");
PR_DEBUG("Illegal line of data ignored\n");
continue;
}
if (strlen(tmp.name) == len) {
PR_DEBUG("No description found\n");
PR_DEBUG("Illegal line of data ignored\n");
continue;
}
tok = line.line + strlen(tmp.name) + 1;
while ((*tok!='\n')&&isspace(*tok))
tok++;
if (*tok == '\0') {
PR_DEBUG("No description found\n");
PR_DEBUG("Illegal line of data ignored\n");
continue;
}
tmp.desc= tok;
switch (headingtype) {
case HEAD_MODEL:
XkbRF_AddVarDescCopy(&rules->models,&tmp);
break;
case HEAD_LAYOUT:
XkbRF_AddVarDescCopy(&rules->layouts,&tmp);
break;
case HEAD_VARIANT:
XkbRF_AddVarDescCopy(&rules->variants,&tmp);
break;
case HEAD_OPTION:
XkbRF_AddVarDescCopy(&rules->options,&tmp);
break;
case HEAD_EXTRA:
XkbRF_AddVarDescCopy(&rules->extra[extra_ndx],&tmp);
break;
}
}
FreeInputLine(&line);
if ((rules->models.num_desc==0) && (rules->layouts.num_desc==0) &&
(rules->variants.num_desc==0) && (rules->options.num_desc==0) &&
(rules->num_extra==0)) {
return False;
}
return True;
}
Bool
#if NeedFunctionPrototypes
XkbRF_LoadDescriptionsByName(char *base,char *locale,XkbRF_RulesPtr rules)
#else
XkbRF_LoadDescriptionsByName(base,locale,rules)
char * base;
char * locale;
XkbRF_RulesPtr rules;
#endif
{
FILE * file;
char buf[PATH_MAX];
Bool ok;
if ((!base)||(!rules))
return False;
if (locale) {
if (strlen(base)+strlen(locale)+6 > PATH_MAX)
return False;
sprintf(buf,"%s-%s.lst", base, locale);
}
else {
if (strlen(base)+5 > PATH_MAX)
return False;
sprintf(buf,"%s.lst", base);
}
file= fopen(buf, "r");
if ((!file)&&(locale)) { /* fallback if locale was specified */
sprintf(buf,"%s.lst", base);
file= fopen(buf, "r");
}
if (!file)
return False;
ok= XkbRF_LoadDescriptions(file,rules);
fclose(file);
return ok;
}
/***====================================================================***/
XkbRF_RulesPtr
#if NeedFunctionPrototypes
XkbRF_Load(char *base,char *locale,Bool wantDesc,Bool wantRules)
#else
XkbRF_Load(base,locale,wantDesc,wantRules)
char *base;
char *locale;
Bool wantDesc;
Bool wantRules;
#endif
{
XkbRF_RulesPtr rules;
if ((!base)||((!wantDesc)&&(!wantRules)))
return NULL;
if ((rules=_XkbTypedCalloc(1,XkbRF_RulesRec))==NULL)
return NULL;
if (wantDesc&&(!XkbRF_LoadDescriptionsByName(base,locale,rules))) {
XkbRF_Free(rules,True);
return NULL;
}
if (wantRules&&(!XkbRF_LoadRulesByName(base,locale,rules))) {
XkbRF_Free(rules,True);
return NULL;
}
return rules;
}
XkbRF_RulesPtr
XkbRF_Create(int szRules,int szExtra)
{
XkbRF_RulesPtr rules;
if ((rules=_XkbTypedCalloc(1,XkbRF_RulesRec))==NULL)
return NULL;
if (szRules>0) {
rules->sz_rules= szRules;
rules->rules= _XkbTypedCalloc(rules->sz_rules,XkbRF_RuleRec);
if (!rules->rules) {
_XkbFree(rules);
return NULL;
}
}
if (szExtra>0) {
rules->sz_extra= szExtra;
rules->extra= _XkbTypedCalloc(rules->sz_extra,XkbRF_DescribeVarsRec);
if (!rules->extra) {
if (rules->rules)
_XkbFree(rules->rules);
_XkbFree(rules);
return NULL;
}
}
return rules;
}
/***====================================================================***/
static void
#if NeedFunctionPrototypes
XkbRF_ClearVarDescriptions(XkbRF_DescribeVarsPtr var)
#else
XkbRF_ClearVarDescriptions(var)
XkbRF_DescribeVarsPtr var;
#endif
{
register int i;
for (i=0;i<var->num_desc;i++) {
if (var->desc[i].name)
_XkbFree(var->desc[i].name);
if (var->desc[i].desc)
_XkbFree(var->desc[i].desc);
var->desc[i].name= var->desc[i].desc= NULL;
}
if (var->desc)
_XkbFree(var->desc);
var->desc= NULL;
return;
}
void
#if NeedFunctionPrototypes
XkbRF_Free(XkbRF_RulesPtr rules,Bool freeRules)
#else
XkbRF_Free(rules,freeRules)
XkbRF_RulesPtr rules;
Bool freeRules;
#endif
{
int i;
XkbRF_RulePtr rule;
if (!rules)
return;
XkbRF_ClearVarDescriptions(&rules->models);
XkbRF_ClearVarDescriptions(&rules->layouts);
XkbRF_ClearVarDescriptions(&rules->variants);
XkbRF_ClearVarDescriptions(&rules->options);
if (rules->extra) {
for (i = 0; i < rules->num_extra; i++) {
XkbRF_ClearVarDescriptions(&rules->extra[i]);
}
_XkbFree(rules->extra);
rules->num_extra= rules->sz_extra= 0;
rules->extra= NULL;
}
if (rules->rules) {
for (i=0,rule=rules->rules;i<rules->num_rules;i++,rule++) {
if (rule->model) _XkbFree(rule->model);
if (rule->layout) _XkbFree(rule->layout);
if (rule->variant) _XkbFree(rule->variant);
if (rule->option) _XkbFree(rule->option);
if (rule->keycodes) _XkbFree(rule->keycodes);
if (rule->symbols) _XkbFree(rule->symbols);
if (rule->types) _XkbFree(rule->types);
if (rule->compat) _XkbFree(rule->compat);
if (rule->geometry) _XkbFree(rule->geometry);
if (rule->keymap) _XkbFree(rule->keymap);
bzero((char *)rule,sizeof(XkbRF_RuleRec));
}
_XkbFree(rules->rules);
rules->num_rules= rules->sz_rules= 0;
rules->rules= NULL;
}
if (freeRules)
_XkbFree(rules);
return;
}
#ifndef XKB_IN_SERVER
Bool
#if NeedFunctionPrototypes
XkbRF_GetNamesProp(Display *dpy,char **rf_rtrn,XkbRF_VarDefsPtr vd_rtrn)
#else
XkbRF_GetNamesProp(dpy,rf_rtrn,vd_rtrn)
Display * dpy;
char ** rf_rtrn;
XkbRF_VarDefsPtr vd_rtrn;
#endif
{
Atom rules_atom,actual_type;
int fmt;
unsigned long nitems,bytes_after;
char *data,*out;
Status rtrn;
rules_atom= XInternAtom(dpy,_XKB_RF_NAMES_PROP_ATOM,True);
if (rules_atom==None) /* property cannot exist */
return False;
rtrn= XGetWindowProperty(dpy,DefaultRootWindow(dpy),rules_atom,
0L,_XKB_RF_NAMES_PROP_MAXLEN,False,
XA_STRING,&actual_type,
&fmt,&nitems,&bytes_after,
(unsigned char **)&data);
if (rtrn!=Success)
return False;
if (rf_rtrn)
*rf_rtrn= NULL;
(void)bzero((char *)vd_rtrn,sizeof(XkbRF_VarDefsRec));
if ((bytes_after>0)||(actual_type!=XA_STRING)||(fmt!=8)) {
if (data) XFree(data);
return (fmt==0?True:False);
}
out= data;
if (out && (*out) && rf_rtrn)
*rf_rtrn= _XkbDupString(out);
out+=strlen(out)+1;
if ((out-data)<nitems) {
if (*out)
vd_rtrn->model= _XkbDupString(out);
out+=strlen(out)+1;
}
if ((out-data)<nitems) {
if (*out)
vd_rtrn->layout= _XkbDupString(out);
out+=strlen(out)+1;
}
if ((out-data)<nitems) {
if (*out)
vd_rtrn->variant= _XkbDupString(out);
out+=strlen(out)+1;
}
if ((out-data)<nitems) {
if (*out)
vd_rtrn->options= _XkbDupString(out);
out+=strlen(out)+1;
}
XFree(data);
return True;
}
Bool
#if NeedFunctionPrototypes
XkbRF_SetNamesProp(Display *dpy,char *rules_file,XkbRF_VarDefsPtr var_defs)
#else
XkbRF_SetNamesProp(dpy,rules_file,var_defs)
Display * dpy;
char * rules_file;
XkbRF_VarDefsPtr var_defs;
#endif
{
int len,out;
Atom name;
char * pval;
len= (rules_file?strlen(rules_file):0);
len+= (var_defs->model?strlen(var_defs->model):0);
len+= (var_defs->layout?strlen(var_defs->layout):0);
len+= (var_defs->variant?strlen(var_defs->variant):0);
len+= (var_defs->options?strlen(var_defs->options):0);
if (len<1)
return True;
len+= 5; /* trailing NULs */
name= XInternAtom(dpy,_XKB_RF_NAMES_PROP_ATOM,False);
if (name==None) { /* should never happen */
_XkbLibError(_XkbErrXReqFailure,"XkbRF_SetNamesProp",X_InternAtom);
return False;
}
pval= (char *)_XkbAlloc(len);
if (!pval) {
_XkbLibError(_XkbErrBadAlloc,"XkbRF_SetNamesProp",len);
return False;
}
out= 0;
if (rules_file) {
strcpy(&pval[out],rules_file);
out+= strlen(rules_file);
}
pval[out++]= '\0';
if (var_defs->model) {
strcpy(&pval[out],var_defs->model);
out+= strlen(var_defs->model);
}
pval[out++]= '\0';
if (var_defs->layout) {
strcpy(&pval[out],var_defs->layout);
out+= strlen(var_defs->layout);
}
pval[out++]= '\0';
if (var_defs->variant) {
strcpy(&pval[out],var_defs->variant);
out+= strlen(var_defs->variant);
}
pval[out++]= '\0';
if (var_defs->options) {
strcpy(&pval[out],var_defs->options);
out+= strlen(var_defs->options);
}
pval[out++]= '\0';
if (out!=len) {
_XkbLibError(_XkbErrBadLength,"XkbRF_SetNamesProp",out);
_XkbFree(pval);
return False;
}
XChangeProperty(dpy,DefaultRootWindow(dpy),name,XA_STRING,8,PropModeReplace,
(unsigned char *)pval,len);
_XkbFree(pval);
return True;
}
#endif
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