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Diffstat (limited to 'xorg-server/xkb/maprules.c')
-rw-r--r--xorg-server/xkb/maprules.c2037
1 files changed, 1018 insertions, 1019 deletions
diff --git a/xorg-server/xkb/maprules.c b/xorg-server/xkb/maprules.c
index 2a118ae6a..f94089982 100644
--- a/xorg-server/xkb/maprules.c
+++ b/xorg-server/xkb/maprules.c
@@ -1,1019 +1,1018 @@
-/************************************************************
- 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;
- memset((char *)remap, 0, 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;
- }
- memset((char *)&tmp, 0, 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)
-{
-
- memset((char *)mdefs, 0, 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)
-{
- free(defs->options);
- free(defs->layout[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);
-
- memset((char *)names, 0, 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;
- }
- memset((char *)&rules->rules[rules->num_rules], 0, 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;
- }
-
- memset((char *)&rules->groups[rules->num_groups], 0, 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;
- memset((char *)&remap, 0, sizeof(RemapSpec));
- memset((char *)&tgroup, 0, 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;
- memset((char *)&tgroup, 0, sizeof(XkbRF_GroupRec));
- }
- } else {
- if ((rule= XkbRF_AddRule(rules))!=NULL) {
- *rule= trule;
- memset((char *)&trule, 0, 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++) {
- free(rule->model);
- free(rule->layout);
- free(rule->variant);
- free(rule->option);
- free(rule->keycodes);
- free(rule->symbols);
- free(rule->types);
- free(rule->compat);
- free(rule->geometry);
- memset((char *)rule, 0, 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++) {
- free(group->name);
- free(group->words);
- }
- free(rules->groups);
- rules->num_groups= 0;
- rules->groups= NULL;
- }
- if (freeRules)
- free(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;
+ memset((char *)remap, 0, 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 = Xstrdup(gname);
+ group->words = Xstrdup(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;
+ }
+ memset((char *)&tmp, 0, 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= Xstrdup(tmp.name[MODEL]);
+ rule->layout= Xstrdup(tmp.name[LAYOUT]);
+ rule->variant= Xstrdup(tmp.name[VARIANT]);
+ rule->option= Xstrdup(tmp.name[OPTION]);
+
+ rule->keycodes= Xstrdup(tmp.name[KEYCODES]);
+ rule->symbols= Xstrdup(tmp.name[SYMBOLS]);
+ rule->types= Xstrdup(tmp.name[TYPES]);
+ rule->compat= Xstrdup(tmp.name[COMPAT]);
+ rule->geometry= Xstrdup(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)
+{
+
+ memset((char *)mdefs, 0, sizeof(XkbRF_MultiDefsRec));
+ mdefs->model = defs->model;
+ mdefs->options = Xstrdup(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] = Xstrdup(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] = Xstrdup(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)
+{
+ free(defs->options);
+ free(defs->layout[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= Xstrdup(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);
+
+ memset((char *)names, 0, 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;
+ }
+ memset((char *)&rules->rules[rules->num_rules], 0, 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;
+ }
+
+ memset((char *)&rules->groups[rules->num_groups], 0, 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;
+ memset((char *)&remap, 0, sizeof(RemapSpec));
+ memset((char *)&tgroup, 0, 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;
+ memset((char *)&tgroup, 0, sizeof(XkbRF_GroupRec));
+ }
+ } else {
+ if ((rule= XkbRF_AddRule(rules))!=NULL) {
+ *rule= trule;
+ memset((char *)&trule, 0, 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 (snprintf(buf, PATH_MAX, "%s-%s", base, locale) >= PATH_MAX)
+ return FALSE;
+ }
+ 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++) {
+ free(rule->model);
+ free(rule->layout);
+ free(rule->variant);
+ free(rule->option);
+ free(rule->keycodes);
+ free(rule->symbols);
+ free(rule->types);
+ free(rule->compat);
+ free(rule->geometry);
+ memset((char *)rule, 0, 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++) {
+ free(group->name);
+ free(group->words);
+ }
+ free(rules->groups);
+ rules->num_groups= 0;
+ rules->groups= NULL;
+ }
+ if (freeRules)
+ free(rules);
+ return;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 07:04:14 +0000