* file named AUTHORS, in the root directory of this distribution.
*/
/*
- * $Id: uscan.l,v 1.27 2006/07/05 11:15:56 martinea Exp $
+ * $Id$
*
* lexer for amrecover interactive language
*/
#define YY_NO_UNPUT
-#define DATE_ALLOC_SIZE sizeof("YYYY-MM-DD-HH-MM-SS") /* includes null */
-
#define YY_DECL int yylex(void)
extern int yylex(void);
extern void yyerror(char *s);
extern int yyparse(void);
-static int ll_parse_date(int type, char *text);
int process_line(char *line);
%}
-%x quotedpath
+%x quotedstring
+%x needdevice
+%x needstring
+%x needmode
+%x astring
+%x propertyappend
+%x propertypriority
+LINEFEED [[:space:]]*("\n"|"\r"|"\r\n")
%{
static char *string_buf = NULL;
%}
/* literal keyword tokens */
%}
-listhost { return LISTHOST; }
-listdisk { return LISTDISK; }
-sethost { return SETHOST; }
-setdisk { return SETDISK; }
-setdate { return SETDATE; }
-setmode { return SETMODE; }
-settape { return SETTAPE; }
-setdevice { return SETDEVICE; }
--h { return DASH_H; }
-cd { return CD; }
-cdx { return CDX; }
-quit { return QUIT; }
-exit { return QUIT; }
-history { return DHIST; }
-ls { return LS; }
-add { return ADD; }
-addx { return ADDX; }
-list { return LIST; }
-delete { return DELETE; }
-deletex { return DELETEX; }
-pwd { return PWD; }
-clear { return CLEAR; }
-help { return HELP; }
-\? { return HELP; }
-lcd { return LCD; }
-lpwd { return LPWD; }
-extract { return EXTRACT; }
-smb { return SMB; }
-tar { return TAR; }
-mode { return MODE; }
+listhost { BEGIN(needstring); return LISTHOST; }
+listdisk { BEGIN(needstring); return LISTDISK; }
+listproperty { BEGIN(needstring); return LISTPROPERTY; }
+sethost { BEGIN(needstring); return SETHOST; }
+setdisk { BEGIN(needstring); return SETDISK; }
+setdate { BEGIN(needstring); return SETDATE; }
+setmode { BEGIN(needmode); return SETMODE; }
+settape { BEGIN(needstring); return SETTAPE; }
+setdevice { BEGIN(needdevice); return SETDEVICE; }
+setproperty { BEGIN(propertyappend); return SETPROPERTY; }
+<needdevice>-h { BEGIN(needstring); return DASH_H; }
+cd { BEGIN(needstring); return CD; }
+cdx { BEGIN(needstring); return CDX; }
+quit { BEGIN(needstring); return QUIT; }
+exit { BEGIN(needstring); return QUIT; }
+history { BEGIN(needstring); return DHIST; }
+ls { BEGIN(needstring); return LS; }
+add { BEGIN(needstring); return ADD; }
+addx { BEGIN(needstring); return ADDX; }
+list { BEGIN(needstring); return LIST; }
+delete { BEGIN(needstring); return DELETE; }
+deletex { BEGIN(needstring); return DELETEX; }
+pwd { BEGIN(needstring); return PWD; }
+clear { BEGIN(needstring); return CLEAR; }
+<INITIAL>help { BEGIN(INITIAL); return HELP; }
+\? { BEGIN(needstring); return HELP; }
+lcd { BEGIN(needstring); return LCD; }
+lpwd { BEGIN(needstring); return LPWD; }
+extract { BEGIN(needstring); return EXTRACT; }
+mode { BEGIN(needstring); return MODE; }
+<needmode>tar { BEGIN(needstring); return TAR; }
+<needmode>smb { BEGIN(needstring); return SMB; }
+<INITIAL,needdevice,needmode,needstring,astring,propertyappend,propertypriority>{LINEFEED} { BEGIN(INITIAL); return NL; }
%{
- /* dates */
+ /* quoted file names */
%}
----[0-9]+ { return ll_parse_date(1, yytext); }
---[0-9]+-[0-9]+ { return ll_parse_date(2, yytext); }
-[0-9]+-[0-9]+-[0-9]+ { return ll_parse_date(3, yytext); }
-[0-9]+-[0-9]+-[0-9]+-[0-9]+-[0-9]+-[0-9]+ { return ll_parse_date(4, yytext); }
-[0-9]+-[0-9]+-[0-9]+-[0-9]+-[0-9]+ { return ll_parse_date(5, yytext); }
+<propertyappend>append {
+ BEGIN(propertypriority);
+ return APPEND;
+}
-%{
- /* quoted file names */
-%}
+<propertyappend,propertypriority>priority {
+ BEGIN(needstring);
+ return PRIORITY;
+}
-\" {
+<needdevice,needmode,needstring,astring,propertyappend,propertypriority>\" {
if(string_buf != NULL) {
g_printf("ERROR:string_buf != NULL: %s\n",string_buf);
}
- BEGIN(quotedpath);
+ BEGIN(quotedstring);
strappend(string_buf, yytext);
}
-<quotedpath>[^\\\"]+ {
+<quotedstring>[^\\\"\n\r]+ {
strappend(string_buf, yytext);
}
-<quotedpath>\\. {
+<quotedstring>\\. {
/* escaped character (including quote) */
strappend(string_buf, yytext);
}
-<quotedpath>\" { /* saw closing quote - all done */
+<quotedstring>\" { /* saw closing quote - all done */
strappend(string_buf, yytext);
yylval.strval = string_buf;
string_buf = NULL;
+ BEGIN(needstring);
+ return STRING;
+}
+
+<quotedstring>{LINEFEED} {
+ fprintf(stderr,"Unterminated quoted string\n");
+ string_buf = NULL;
BEGIN(INITIAL);
- return PATH;
+ return NL;
}
%{
/* file names */
%}
-[^[:space:][:cntrl:]"]+ {
+<INITIAL,needdevice,needmode,needstring,astring,propertyappend,propertypriority>[^[:space:][:cntrl:]"]+ {
yylval.strval = stralloc(yytext);
- return PATH;
+ BEGIN(needstring);
+ return STRING;
}
%{
/* whitespace */
%}
-[[:space:]]+ ; /* whitespace */
+<INITIAL,needdevice,needmode,needstring,astring,propertyappend,propertypriority>[[:space:]]+ ; /* whitespace */
%{
/* anything else */
YY_BUFFER_STATE b;
int result;
- b = yy_scan_string(line); /* tell lex to scan lineread */
+ char *line1 = stralloc2(line, "\n");
+ b = yy_scan_string(line1); /* tell lex to scan lineread */
result = yyparse(); /* parse lineread and act */
yy_delete_buffer(b);
+ amfree(line1);
return result;
}
-static int
-ll_parse_date(
- int type,
- char * text)
-{
- time_t now;
- struct tm *t;
- int y=2000, m=0, d=1, h=0, mi=0, s=0;
- int ret;
-
- now = time((time_t *)NULL);
- t = localtime(&now);
- if (t) {
- y = 1900+t->tm_year;
- m = t->tm_mon+1;
- d = t->tm_mday;
- }
- switch(type) {
- case 1:
- if (sscanf(text, "---%d", &d) != 1) {
- yyerror("invalid date");
- }
- break;
- case 2:
- if (sscanf(text, "--%d-%d", &m, &d) != 2) {
- yyerror("invalid date");
- }
- break;
- case 3:
- if (sscanf(text, "%d-%d-%d", &y, &m, &d) != 3) {
- yyerror("invalid date");
- }
- break;
- case 4:
- if (sscanf(text, "%d-%d-%d-%d-%d-%d", &y, &m, &d, &h, &mi, &s) != 6) {
- yyerror("invalid date");
- }
- break;
- case 5:
- if (sscanf(text, "%d-%d-%d-%d-%d", &y, &m, &d, &h, &mi) != 5) {
- yyerror("invalid date");
- }
- break;
- }
-
- ret = PATH; /* cause a parse error */
- if(y < 70) {
- y += 2000;
- } else if(y < 100) {
- y += 1900;
- }
- if(y < 1000 || y > 9999) {
- yyerror("invalid year");
- } else if(m < 1 || m > 12) {
- yyerror("invalid month");
- } else if(d < 1 || d > 31) {
- yyerror("invalid day");
- } else if(h < 0 || h > 24) {
- yyerror("invalid hour");
- } else if(mi < 0 || mi > 59) {
- yyerror("invalid minute");
- } else if(s < 0 || s > 59) {
- yyerror("invalid second");
- } else if(type < 4) {
- yylval.strval = alloc(DATE_ALLOC_SIZE);
- g_snprintf(yylval.strval, DATE_ALLOC_SIZE, "%04d-%02d-%02d", y, m, d);
- ret = DATE;
- } else {
- yylval.strval = alloc(DATE_ALLOC_SIZE);
- g_snprintf(yylval.strval, DATE_ALLOC_SIZE, "%04d-%02d-%02d-%02d-%02d-%02d", y, m, d, h, mi, s);
- ret = DATE;
- }
- return ret;
-}
int
yywrap(void)
projects / debian / amanda / blobdiff