| 1 | #!/usr/bin/env python
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| 2 | # -*- coding: utf-8 -*-
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| 3 | '''
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| 4 | Created on 10.07.2009
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| 5 |
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| 6 | @author: hmueller
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| 7 |
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| 8 | Syntax description of bacula config files
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| 9 | '''
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| 10 |
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| 11 | from simpleparse.common import numbers, strings, comments
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| 12 | from simpleparse.parser import Parser
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| 13 |
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| 14 | import resource
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| 15 |
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| 16 | declaration = r"""
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| 17 | #text_pattern := ’\/’
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| 18 | #text_subst := delim_init / ’/’
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| 19 | #text_args := delim_init / ’)’
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| 20 | #text_exp := delim_init / delim_close / ’:’ / ’+’
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| 21 | text := delim_init / index_open /index_close
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| 22 | delim_init := '$'
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| 23 | delim_open := '{'
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| 24 | delim_close := '}'
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| 25 | index_open := '['
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| 26 | index_close := ']'
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| 27 | index_mark := '#'
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| 28 | name_chars := [a-zA-Z0-9]
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| 29 | """
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| 30 |
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| 31 | if __name__ == "__main__":
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| 32 | parser = Parser(declaration)
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| 33 |
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| 34 | #input ::= ( TEXT
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| 35 | # | variable
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| 36 | # | INDEX_OPEN input INDEX_CLOSE (loop_limits)?
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| 37 | # )*
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| 38 | #variable ::= DELIM_INIT (name|expression)
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| 39 | #name ::= (NAME_CHARS)+
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| 40 | #expression ::= DELIM_OPEN
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| 41 | # (name|variable)+
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| 42 | # (INDEX_OPEN num_exp INDEX_CLOSE)?
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| 43 | # (’:’ command)*
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| 44 | # DELIM_CLOSE
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| 45 | #command ::= ’-’ (TEXT_EXP|variable)+
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| 46 | # | ’+’ (TEXT_EXP|variable)+
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| 47 | # | ’o’ NUMBER (’-’|’,’) (NUMBER)?
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| 48 | # | ’#’
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| 49 | # | ’*’ (TEXT_EXP|variable)+
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| 50 | # | ’s’ ’/’ (TEXT_PATTERN)+
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| 51 | # ’/’ (variable|TEXT_SUBST)*
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| 52 | # ’/’ (’m’|’g’|’i’|’t’)*
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| 53 | # | ’y’ ’/’ (variable|TEXT_SUBST)+
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| 54 | # ’/’ (variable|TEXT_SUBST)*
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| 55 | # ’/’
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| 56 | # | ’p’ ’/’ NUMBER
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| 57 | # ’/’ (variable|TEXT_SUBST)*
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| 58 | # ’/’ (’r’|’l’|’c’)
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| 59 | # | ’%’ (name|variable)+
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| 60 | # (’(’ (TEXT_ARGS)? ’)’)?
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| 61 | # | ’l’
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| 62 | # | ’u’
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| 63 | # num_exp ::= operand
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| 64 | # | operand (’+’|’-’|’*’|’/’|’%’) num_exp
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| 65 | # operand ::= (’+’|’-’)? NUMBER
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| 66 | # | INDEX_MARK
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| 67 | # | ’(’ num_exp ’)’
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| 68 | # | variable
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| 69 | # loop_limits ::= DELIM_OPEN
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| 70 | # (num_exp)? ’,’ (num_exp)? (’,’ (num_exp)?)?
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| 71 | # DELIM_CLOSE
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| 72 | # NUMBER ::= (’0’|...|’9’)+
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| 73 | # TEXT_PATTERN::= (^(’/’))+
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| 74 | # TEXT_SUBST ::= (^(DELIM_INIT|’/’))+
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| 75 | # TEXT_ARGS ::= (^(DELIM_INIT|’)’))+
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| 76 | # TEXT_EXP ::= (^(DELIM_INIT|DELIM_CLOSE|’:’|’+’))+
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| 77 | # TEXT ::= (^(DELIM_INIT|INDEX_OPEN|INDEX_CLOSE))+
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| 78 | # DELIM_INIT ::= ’$’
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| 79 | # DELIM_OPEN ::= ’{’
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| 80 | # DELIM_CLOSE ::= ’}’
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| 81 | # INDEX_OPEN ::= ’[’
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| 82 | # INDEX_CLOSE ::= ’]’
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| 83 | # INDEX_MARK ::= ’#’
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| 84 | # NAME_CHARS ::= ’a’|...|’z’|’A’|...|’Z’|’0’|...|’9’
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| 85 |
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