Importing from X.Org 7.2RC2

1 files changed, 384 insertions, 0 deletions

diff --git a/app/xkbevd/cfgscan.c b/app/xkbevd/cfgscan.c
new file mode 100644
index 000000000..6eaef0c0e
--- /dev/null
+++ b/app/xkbevd/cfgscan.c
@@ -0,0 +1,384 @@
+/* $Xorg: cfgscan.c,v 1.3 2000/08/17 19:54:49 cpqbld Exp $ */
+/************************************************************
+ Copyright (c) 1994 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.
+
+ ********************************************************/
+/* $XFree86: xc/programs/xkbevd/cfgscan.c,v 3.6 2001/01/17 23:46:07 dawes Exp $ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <X11/Xos.h>
+#include <X11/X.h>
+#include <X11/extensions/XKB.h>
+
+#include "tokens.h"
+#include "xkbevd.h"
+
+FILE	*yyin = NULL;
+
+static char scanFileBuf[1024];
+char *	 scanFile= scanFileBuf;
+int	 lineNum=	0;
+
+int	 scanInt;
+char	*scanIntStr;
+int	 scanIntClass;
+
+char	*scanStr = NULL;
+int	 scanStrLine=	0;
+
+#define	BUFSIZE	512
+static	int	nInBuf = 0;
+static	char	buf[BUFSIZE];
+
+#ifdef DEBUG
+
+extern	unsigned debugFlags;
+
+static char *
+tokText(int tok)
+{
+static char buf[32];
+
+    switch (tok) {
+	case END_OF_FILE:	sprintf(buf, "END_OF_FILE");break;
+	case ERROR:		sprintf(buf, "ERROR");	break;
+
+	case BELL:		sprintf(buf, "BELL"); break;
+	case ACCESSX:		sprintf(buf, "ACCESSX"); break;
+	case MESSAGE:		sprintf(buf, "MESSAGE"); break;
+
+	case NONE:		sprintf(buf, "NONE"); break;
+	case IGNORE:		sprintf(buf, "IGNORE"); break;
+	case ECHO:		sprintf(buf, "ECHO"); break;
+	case PRINT_EV:		sprintf(buf, "PRINT_EV"); break;
+	case SHELL:		sprintf(buf, "SHELL"); break;
+	case SOUND:		sprintf(buf, "SOUND"); break;
+
+	case EQUALS:		sprintf(buf, "EQUALS");	break;
+	case PLUS:		sprintf(buf, "PLUS");	break;
+	case MINUS:		sprintf(buf, "MINUS");	break;
+	case DIVIDE:		sprintf(buf, "DIVIDE");	break;
+	case TIMES:		sprintf(buf, "TIMES");	break;
+	case OBRACE:		sprintf(buf, "OBRACE");	break;
+	case CBRACE:		sprintf(buf, "CBRACE");	break;
+	case OPAREN:		sprintf(buf, "OPAREN");	break;
+	case CPAREN:		sprintf(buf, "CPAREN");	break;
+	case OBRACKET:		sprintf(buf, "OBRACKET");break;
+	case CBRACKET:		sprintf(buf, "CBRACKET");break;
+	case DOT:		sprintf(buf, "DOT");	break;
+	case COMMA:		sprintf(buf, "COMMA");	break;
+	case SEMI:		sprintf(buf, "SEMI");	break;
+	case EXCLAM:		sprintf(buf, "EXCLAM");	break;
+	case INVERT:		sprintf(buf, "INVERT");	break;
+
+	case STRING:		sprintf(buf, "STRING (%s)",scanStr);	break;
+	case INTEGER:		sprintf(buf, "INTEGER (0x%x)",scanInt);	break;
+	case FLOAT:		sprintf(buf, "FLOAT (%d.%d)",
+					     scanInt/XkbGeomPtsPerMM,
+					     scanInt%XkbGeomPtsPerMM);break;
+	case IDENT:		sprintf(buf, "IDENT (%s)",scanStr);	break;
+	case KEYNAME:		sprintf(buf, "KEYNAME (%s)",scanStr);	break;
+	default:		sprintf(buf, "UNKNOWN");	break;
+    }
+    return buf;
+}
+#endif
+
+int
+setScanState(char *file, int line)
+{
+    if (file!=NULL)
+	strncpy(scanFile,file,1024);
+    if (line>=0)
+	lineNum= line;
+    return 1;
+}
+
+static int
+yyGetString(void)
+{
+int ch;
+
+    nInBuf = 0;
+    while ( ((ch=getc(yyin))!=EOF) && (ch!='"') ) {
+	if ( ch == '\\' ) {
+	    if ((ch = getc(yyin))!=EOF) {
+		if ( ch=='n' )		ch = '\n';
+		else if ( ch == 't' )	ch = '\t';
+		else if ( ch == 'v' )	ch = '\v';
+		else if ( ch == 'b' )	ch = '\b';
+		else if ( ch == 'r' )	ch = '\r';
+		else if ( ch == 'f' )	ch = '\f';
+		else if ( ch == 'e' )	ch = '\033';
+		else if ( ch == '0' ) {
+		    int tmp,stop;
+		    ch = stop = 0;
+		    if (((tmp=getc(yyin))!=EOF) && (isdigit(tmp)) && 
+						(tmp!='8') && (tmp!='9')) {
+			ch= (ch*8)+(tmp-'0');
+		    }
+		    else {
+			stop= 1;
+			ungetc(tmp,yyin);
+		    }
+		    if ((!stop) && ((tmp=getc(yyin))!=EOF) && (isdigit(tmp)) && 
+						(tmp!='8') && (tmp!='9')) {
+			ch= (ch*8)+(tmp-'0');
+		    }
+		    else {
+			stop= 1;
+			ungetc(tmp,yyin);
+		    }
+		    if ((!stop) && ((tmp=getc(yyin))!=EOF) && (isdigit(tmp)) && 
+						(tmp!='8') && (tmp!='9')) {
+			ch= (ch*8)+(tmp-'0');
+		    }
+		    else {
+			stop= 1;
+			ungetc(tmp,yyin);
+		    }
+		}
+	    }
+	    else return ERROR;
+	}
+
+	if ( nInBuf < BUFSIZE-1 ) 
+	    buf[nInBuf++] = ch;
+    }
+    if ( ch == '"' ) {
+	buf[nInBuf++] = '\0';
+	if  ( scanStr )
+	    free( scanStr );
+	scanStr = uStringDup(buf);
+	scanStrLine = lineNum;
+	return STRING;
+    }
+    return ERROR;
+}
+
+static int
+yyGetKeyName(void)
+{
+int ch;
+
+    nInBuf = 0;
+    while ( ((ch=getc(yyin))!=EOF) && (ch!='>') ) {
+	if ( ch == '\\' ) {
+	    if ((ch = getc(yyin))!=EOF) {
+		if ( ch=='n' )		ch = '\n';
+		else if ( ch == 't' )	ch = '\t';
+		else if ( ch == 'v' )	ch = '\v';
+		else if ( ch == 'b' )	ch = '\b';
+		else if ( ch == 'r' )	ch = '\r';
+		else if ( ch == 'f' )	ch = '\f';
+		else if ( ch == 'e' )	ch = '\033';
+		else if ( ch == '0' ) {
+		    int tmp,stop;
+		    ch = stop = 0;
+		    if (((tmp=getc(yyin))!=EOF) && (isdigit(tmp)) && 
+						(tmp!='8') && (tmp!='9')) {
+			ch= (ch*8)+(tmp-'0');
+		    }
+		    else {
+			stop= 1;
+			ungetc(tmp,yyin);
+		    }
+		    if ((!stop) && ((tmp=getc(yyin))!=EOF) && (isdigit(tmp)) && 
+						(tmp!='8') && (tmp!='9')) {
+			ch= (ch*8)+(tmp-'0');
+		    }
+		    else {
+			stop= 1;
+			ungetc(tmp,yyin);
+		    }
+		    if ((!stop) && ((tmp=getc(yyin))!=EOF) && (isdigit(tmp)) && 
+						(tmp!='8') && (tmp!='9')) {
+			ch= (ch*8)+(tmp-'0');
+		    }
+		    else {
+			stop= 1;
+			ungetc(tmp,yyin);
+		    }
+		}
+	    }
+	    else return ERROR;
+	}
+
+	if ( nInBuf < BUFSIZE-1 ) 
+	    buf[nInBuf++] = ch;
+    }
+    if (( ch == '>' )&&(nInBuf<5)) {
+	buf[nInBuf++] = '\0';
+	if  ( scanStr )
+	    free( scanStr );
+	scanStr = uStringDup(buf);
+	scanStrLine = lineNum;
+	return KEYNAME;
+    }
+    return ERROR;
+}
+
+struct _Keyword {
+	char	*keyword;
+	int	 token;
+} keywords[] = {
+    { "bell",			BELL			},
+    { "accessx",		ACCESSX			},
+    { "message",		MESSAGE			},
+    { "none",			NONE			},
+    { "ignore",			IGNORE			},
+    { "echo",			ECHO			},
+    { "printevent",		PRINT_EV		},
+    { "shell",			SHELL			},
+    { "sound",			SOUND			}
+};
+int	numKeywords = sizeof(keywords)/sizeof(struct _Keyword);
+
+static int
+yyGetIdent(int first)
+{
+int ch,i,found;
+int	rtrn = -1;
+
+    buf[0] = first; nInBuf = 1;
+    while ( ((ch=getc(yyin))!=EOF) && (isalnum(ch)||(ch=='_')) ) {
+	if ( nInBuf < BUFSIZE - 1 )
+	    buf[nInBuf++] = ch;
+    }
+    buf[nInBuf++] = '\0';
+    found= 0;
+
+    for (i=0;(!found)&&(i<numKeywords);i++) {
+	if (uStrCaseCmp(buf,keywords[i].keyword)==0) {
+	    rtrn= keywords[i].token;
+	    found= 1;
+	}
+    }
+    if (!found) {
+	if  ( scanStr )
+	    free( scanStr );
+	scanStr = uStringDup(buf);
+	scanStrLine = lineNum;
+	rtrn = IDENT;
+    }
+
+    if ( (ch!=EOF) && (!isspace(ch)) )
+	ungetc( ch, yyin );
+    else if ( ch=='\n' )
+	lineNum++;
+
+    return rtrn;
+}
+
+static int
+yyGetNumber(int ch)
+{
+int	isFloat= 0;
+
+    buf[0]= ch;
+    nInBuf= 1;
+    while (((ch=getc(yyin))!=EOF)&&(isxdigit(ch)||((nInBuf==1)&&(ch=='x')))) {
+	buf[nInBuf++]= ch;
+    }
+    if (ch=='.') {
+	isFloat= 1;
+	buf[nInBuf++]= ch;
+	while (((ch=getc(yyin))!=EOF)&&(isxdigit(ch))) {
+	    buf[nInBuf++]= ch;
+	}
+    }
+    buf[nInBuf++]= '\0';
+    if ((ch!=EOF)&&(!isspace(ch)))
+	ungetc( ch, yyin );
+
+    if (isFloat) {
+	float tmp;
+	if (sscanf(buf,"%g",&tmp)==1) {
+	    scanInt= tmp*XkbGeomPtsPerMM;
+	    return FLOAT;
+	}
+    }
+    else if ( sscanf(buf,"%i",&scanInt)==1 )
+	return INTEGER;
+    fprintf(stderr,"Malformed number %s\n",buf);
+    return ERROR;
+}
+
+int
+yylex(void)
+{
+int	ch;
+int	rtrn;
+    
+    do {
+	ch = getc(yyin);
+	if ( ch == '\n' ) {
+	    lineNum++;
+	}
+	else if ( ch=='/' ) {	/* handle C++ style double-/ comments */
+	    int newch= getc(yyin);
+	    if (newch=='/') {
+		do {
+		    ch= getc(yyin);
+		} while ((ch!='\n')&&(ch!=EOF));
+		lineNum++;
+	    }
+	    else if (newch!=EOF) {
+		ungetc(newch,yyin);
+	    }
+	}
+    } while ((ch!=EOF)&&(isspace(ch)));
+    if ( ch == '=' )			rtrn = EQUALS;
+    else if ( ch == '+' )		rtrn = PLUS;
+    else if ( ch == '-' )		rtrn = MINUS;
+    else if ( ch == '/' )		rtrn = DIVIDE;
+    else if ( ch == '*' )		rtrn = TIMES;
+    else if ( ch == '{' )		rtrn = OBRACE;
+    else if ( ch == '}' )		rtrn = CBRACE;
+    else if ( ch == '(' )		rtrn = OPAREN;
+    else if ( ch == ')' )		rtrn = CPAREN;
+    else if ( ch == '[' )		rtrn = OBRACKET;
+    else if ( ch == ']' )		rtrn = CBRACKET;
+    else if ( ch == '.' )		rtrn = DOT;
+    else if ( ch == ',' )		rtrn = COMMA;
+    else if ( ch == ';' )		rtrn = SEMI;
+    else if ( ch == '!' )		rtrn = EXCLAM;
+    else if ( ch == '~' )		rtrn = INVERT;
+    else if ( ch == '"' )		rtrn = yyGetString();
+    else if ( ch == '<' )		rtrn = yyGetKeyName();
+    else if ( isalpha(ch) || (ch=='_')) rtrn = yyGetIdent(ch);
+    else if ( isdigit(ch) )		rtrn = yyGetNumber(ch);
+    else if ( ch == EOF )		rtrn = END_OF_FILE;
+    else {
+	fprintf(stderr,"Unexpected character %c (%d) in input stream\n",ch,ch);
+	rtrn = ERROR;
+    }
+#ifdef DEBUG
+    if (debugFlags&0x2)
+	fprintf(stderr,"scan: %s\n",tokText(rtrn));
+#endif
+    return rtrn;
+}