--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/oneaccess.gramar	Tue Aug 21 11:33:08 2012 +0200
@@ -0,0 +1,205 @@
+# Grammar for OneAccess devices
+# Configuration is expected to be preprocessed via following command:
+# perl -ne '/(^\s*)(\S.*)$/; print length($1)." $2\n"'
+#
+# Copyright (c) 2012 Tomas Zeman <tzeman@volny.cz>
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted providing that the following conditions 
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+{ # perl code follows
+
+$::res = {};
+
+# Returns pointer to context hashref as specified by ctx stack.
+# @param ctx_path array of ctx stack.
+sub ctx {
+	return ctx_rel($::res, @_);
+}
+
+# Returns pointer to context hashref as specified by ctx stack,
+# relative to the supplied ctx pointer.
+# @param ptr current ctx pointer from which ctx build starts.
+# @param ctx_path array of ctx stack.
+sub ctx_rel {
+	my $ptr = shift;
+	my @ctx_path = @_;
+	foreach my $part (@ctx_path) {
+		$ptr->{$part} = {} unless exists ($ptr->{$part});
+		$ptr = $ptr->{$part};
+	}
+	return $ptr;
+}
+
+} # end of perl code
+
+file:		<skip: qr/[^\S\n]*/>	# Ignore non-newline whitespace
+		line(s) eofile
+
+line: 		s_controller
+		| s_interface
+		| l_vrf
+		| indent comment 
+		| indent cmdline 
+		| indent emptyline
+		| <error>
+
+emptyline:	eol
+
+comment: 	/!.*/ eol
+
+cmdline:	l_hostname eol
+		| l_hash eol
+		| word(s) eol
+
+word:		/\S+/  # any non-space
+		{ $item[1] }
+
+type:		/\w+/
+		{ $item[1] }
+
+num:		/\d+/
+		{ $item[1] }
+
+indent:		/\d+/
+		{ $item[1] }
+
+range:		/\d+/"-"/\d+/
+		{ { from => $item[1], to => $item[3] } } 
+		| /\d+/
+		{ { from => $item[1], to => $item[1] } } 
+
+keyword:	/[\w-]+/
+		{ $item[1] }
+
+identifier:	/[0-9a-zA-Z:_-]+/
+		{ $item[1] }
+
+quoted_text:	<perl_quotelike>
+		{ $item[1][2] }
+		| /[0-9a-zA-Z:\/_\#\"\.,-]+/
+		{ $item[1] }
+
+value:		/[0-9a-zA-Z:\/_\#\"\.,-]+/
+		{ $item[1] }
+
+eofile:		/^\Z/
+
+eol:		/\n/
+
+rest_of_line:	word(s)
+		| eol
+
+# section
+section:	cmdline(s) "!"
+		{ print "section\n"; }
+
+l_section:	/[1-9]/ word(s) eol
+		| /[1-9]/ "exit" eol
+		| /[1-9]/ eol
+		| <error>
+
+# Lines w/ hash (passwd, secret etc)
+l_hash:		word(s) /\S+/ word(s)
+		| word(s) /\S+/
+
+# Hostname
+l_hostname:	"hostname" identifier
+		{ $::res->{hostname} = $item{identifier} }
+
+# Description
+l_description:	"description" /[^\n]+/
+		{ $arg{ctx}->{description} = $item[2] }
+
+# controller section
+controller_num:	/\d+/
+		{ $item[1] }
+
+s_controller:	"0" "controller" type controller_num eol s_controller_l[ctx => ctx('controller', $item{controller_num}) ](s) "0" "exit" eol
+		{ $::res->{controller}->{$item{controller_num}}->{type} = $item{type} }
+
+s_controller_l:	"1" s_controller_content[ctx => $arg{ctx}] eol
+		| s_dsl_group[ctx => $arg{ctx}]
+		| l_section
+
+s_controller_content: l_description[ctx => $arg{ctx}]
+		| "framing" keyword
+		{ $arg{ctx}->{framing} = $item{keyword} }
+
+s_dsl_group:	"2" "dsl-group" num eol s_dsl_group_l[ctx => ctx_rel($arg{ctx}, 'dsl-group', $item{num})](s) "2" "exit" eol
+
+s_dsl_group_l:  indent s_dsl_group_content[ctx => $arg{ctx}] eol
+
+s_dsl_group_content:	"autoconfig"
+		{ $arg{ctx}->{autoconfig} = 1 }
+		| "execute"
+		{ $arg{ctx}->{execute} = 1 }
+		| "caplist" identifier
+		{ $arg{ctx}->{caplist} = $item{identifier} }
+		| "vendorspecoctets" num
+		{ $arg{ctx}->{vendorspecoctets} = $item{num} }
+
+# interface section
+iface_type:	/[0-9a-zA-Z:-]+/
+		{ $item[1] }
+
+iface_num:	/\d+([\.\/]\d+)*/
+		{ $item[1] }
+
+s_interface:	"0" "interface" iface_type iface_num /\S*/ eol s_interface_l[ctx => ctx("interface", $item{iface_type}.":".$item{iface_num}) ](s) "0" "exit" eol
+		{
+		my $id = $item{iface_type}.":".$item{iface_num};
+		$::res->{interface}->{$id}->{type} = $item{iface_type};
+		$::res->{interface}->{$id}->{num} = $item{iface_num}
+		}
+
+ip:		/\d+\.\d+\.\d+\.\d+/
+		{ $item[1] }
+
+s_interface_l:  "1" s_interface_content[ctx => $arg{ctx}] eol
+		| l_section
+
+s_interface_content: l_description[ctx => $arg{ctx}]
+		| /(no)?/ "shutdown"
+		{ $arg{ctx}->{shutdown} = ($item[1] eq 'no') ? 0 : 1 }
+		| "ip" "address" ip ip
+		{ $arg{ctx}->{ip} = $item[3]; $arg{ctx}->{mask} = $item[4] }
+		| "encapsulation" keyword /\S*/
+		{
+		$arg{ctx}->{encap} = $item[2];
+		$arg{ctx}->{encap_param} = $item[3] if length($item[3]) > 0
+		}
+		| "bandwidth" num
+		{ $arg{ctx}->{bandwidth} = $item{num} }
+		| "speed" num
+		{ $arg{ctx}->{speed} = $item{num} }
+		| "ip" "vrf" "forwarding" word
+		{ $arg{ctx}->{"ip-vrf-fwd"} = $item{word} }
+		| "bridge-group" num
+		{ $arg{ctx}->{"bridge-group"} = $item{num} }
+		| "framing" keyword
+		{ $arg{ctx}->{framing} = $item{keyword} }
+
+# vrf
+l_vrf:		"0" "ip" "vrf" keyword eol
+		{ $::res->{"ip-vrf"} = $item{keyword} }