/*
- * lex.h
- *
- * Lexical scanning of configuration files, used by parsers.
- *
- * Kern Sibbald, MM
- *
- * Version $Id$
- *
- */
-/*
- Copyright (C) 2000, 2001, 2002 Kern Sibbald and John Walker
+ Bacula® - The Network Backup Solution
+
+ Copyright (C) 2000-2007 Free Software Foundation Europe e.V.
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
+ The main author of Bacula is Kern Sibbald, with contributions from
+ many others, a complete list can be found in the file AUTHORS.
+ This program is Free Software; you can redistribute it and/or
+ modify it under the terms of version three of the GNU Affero General Public
+ License as published by the Free Software Foundation and included
+ in the file LICENSE.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
- You should have received a copy of the GNU General Public
- License along with this program; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
+ You should have received a copy of the GNU Affero General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+ Bacula® is a registered trademark of Kern Sibbald.
+ The licensor of Bacula is the Free Software Foundation Europe
+ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+ Switzerland, email:ftf@fsfeurope.org.
+*/
+/*
+ * lex.h
+ *
+ * Lexical scanning of configuration files, used by parsers.
+ *
+ * Kern Sibbald, MM
+ *
+ * Version $Id$
+ *
*/
#ifndef _LEX_H
#define _LEX_H
/* Lex get_char() return values */
-#define L_EOF (-1)
-#define L_EOL (-2)
+#define L_EOF (-1)
+#define L_EOL (-2)
/* Internal tokens */
-#define T_NONE 100
+#define T_NONE 100
/* Tokens returned by get_token() */
-#define T_EOF 101
-#define T_NUMBER 102
-#define T_IPADDR 103
-#define T_IDENTIFIER 104
-#define T_STRING 105
-#define T_QUOTED_STRING 106
-#define T_BOB 108 /* begin block */
-#define T_EOB 109 /* end of block */
-#define T_EQUALS 110
-#define T_COMMA 111
-#define T_EOL 112
-#define T_SEMI 113
-#define T_ERROR 200
+#define T_EOF 101
+#define T_NUMBER 102
+#define T_IPADDR 103
+#define T_IDENTIFIER 104
+#define T_UNQUOTED_STRING 105
+#define T_QUOTED_STRING 106
+#define T_BOB 108 /* begin block */
+#define T_EOB 109 /* end of block */
+#define T_EQUALS 110
+#define T_COMMA 111
+#define T_EOL 112
+#define T_ERROR 200
+#define T_UTF8_BOM 201 /* File starts with a UTF-8 BOM*/
+#define T_UTF16_BOM 202 /* File starts with a UTF-16LE BOM*/
+
+/*
+ * The following will be returned only if
+ * the appropriate expect flag has been set
+ */
+#define T_SKIP_EOL 113 /* scan through EOLs */
+#define T_PINT32 114 /* positive integer */
+#define T_PINT32_RANGE 115 /* positive integer range */
+#define T_INT32 116 /* integer */
+#define T_INT64 117 /* 64 bit integer */
+#define T_NAME 118 /* name max 128 chars */
+#define T_STRING 119 /* string */
+#define T_PINT64_RANGE 120 /* positive integer range */
+#define T_PINT64 121 /* positive integer range */
+
+#define T_ALL 0 /* no expectations */
/* Lexical state */
enum lex_state {
lex_identifier,
lex_string,
lex_quoted_string,
- lex_include
+ lex_include_quoted_string,
+ lex_include,
+ lex_utf8_bom, /* we are parsing out a utf8 byte order mark */
+ lex_utf16_le_bom /* we are parsing out a utf-16 (little endian) byte order mark */
};
/* Lex scan options */
-#define LOPT_NO_IDENT 0x1 /* No Identifiers -- use string */
+#define LOPT_NO_IDENT 0x1 /* No Identifiers -- use string */
+#define LOPT_STRING 0x2 /* Force scan for string */
+#define LOPT_NO_EXTERN 0x4 /* Don't follow @ command */
+class BPIPE; /* forward reference */
+
/* Lexical context */
typedef struct s_lex_context {
- int options; /* scan options */
- char *fname; /* filename */
- FILE *fd; /* file descriptor */
- char line[MAXSTRING]; /* input line */
- char str[MAXSTRING]; /* string being scanned */
- int str_len; /* length of string */
- int line_no; /* file line number */
- int col_no; /* char position on line */
- enum lex_state state; /* lex_state variable */
- int ch; /* last char/L_VAL returned by get_char */
+ struct s_lex_context *next; /* pointer to next lexical context */
+ int options; /* scan options */
+ char *fname; /* filename */
+ FILE *fd; /* file descriptor */
+ char line[MAXSTRING]; /* input line */
+ char str[MAXSTRING]; /* string being scanned */
+ int str_len; /* length of string */
+ int line_no; /* file line number */
+ int col_no; /* char position on line */
+ int begin_line_no; /* line no of beginning of string */
+ enum lex_state state; /* lex_state variable */
+ int ch; /* last char/L_VAL returned by get_char */
int token;
- struct s_lex_context *next; /* pointer to next lexical context */
+ uint32_t pint32_val;
+ uint32_t pint32_val2;
+ int32_t int32_val;
+ int64_t int64_val;
+ uint64_t pint64_val;
+ uint64_t pint64_val2;
+ void (*scan_error)(const char *file, int line, struct s_lex_context *lc, const char *msg, ...);
+ int err_type; /* message level for scan_error (M_..) */
+ void *caller_ctx; /* caller private data */
+ BPIPE *bpipe; /* set if we are piping */
} LEX;
+typedef void (LEX_ERROR_HANDLER)(const char *file, int line, LEX *lc, const char *msg, ...);
+
+/* Lexical scanning errors in parsing conf files */
+#define scan_err0(lc, msg) lc->scan_error(__FILE__, __LINE__, lc, msg)
+#define scan_err1(lc, msg, a1) lc->scan_error(__FILE__, __LINE__, lc, msg, a1)
+#define scan_err2(lc, msg, a1, a2) lc->scan_error(__FILE__, __LINE__, lc, msg, a1, a2)
+#define scan_err3(lc, msg, a1, a2, a3) lc->scan_error(__FILE__, __LINE__, lc, msg, a1, a2, a3)
+#define scan_err4(lc, msg, a1, a2, a3, a4) lc->scan_error(__FILE__, __LINE__, lc, msg, a1, a2, a3, a4)
+#define scan_err5(lc, msg, a1, a2, a3, a4, a5) lc->scan_error(__FILE__, __LINE__, lc, msg, a1, a2, a3, a4, a5)
+#define scan_err6(lc, msg, a1, a2, a3, a4, a5, a6) lc->scan_error(__FILE__, __LINE__, lc, msg, a1, a2, a3, a4, a5, a6)
+
+void scan_to_eol(LEX *lc);
+int scan_to_next_not_eol(LEX * lc);
+
#endif /* _LEX_H */
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