--- /dev/null
+package SQL::Translator::Parser::Access;
+
+# -------------------------------------------------------------------
+# $Id: Access.pm,v 1.1 2004-04-19 16:38:17 kycl4rk Exp $
+# -------------------------------------------------------------------
+# Copyright (C) 2002-4 SQLFairy Authors
+#
+# 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; version 2.
+#
+# 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
+# -------------------------------------------------------------------
+
+=head1 NAME
+
+SQL::Translator::Parser::Access - parser for Access as produced by mdbtools
+
+=head1 SYNOPSIS
+
+ use SQL::Translator;
+ use SQL::Translator::Parser::Access;
+
+ my $translator = SQL::Translator->new;
+ $translator->parser("SQL::Translator::Parser::Access");
+
+=head1 DESCRIPTION
+
+The grammar derived from the MySQL grammar. The input is expected to be
+something similar to the output of mdbtools (http://mdbtools.sourceforge.net/).
+
+=cut
+
+use strict;
+use vars qw[ $DEBUG $VERSION $GRAMMAR @EXPORT_OK ];
+$VERSION = sprintf "%d.%02d", q$Revision: 1.1 $ =~ /(\d+)\.(\d+)/;
+$DEBUG = 0 unless defined $DEBUG;
+
+use Data::Dumper;
+use Parse::RecDescent;
+use Exporter;
+use base qw(Exporter);
+
+@EXPORT_OK = qw(parse);
+
+# Enable warnings within the Parse::RecDescent module.
+$::RD_ERRORS = 1; # Make sure the parser dies when it encounters an error
+$::RD_WARN = 1; # Enable warnings. This will warn on unused rules &c.
+$::RD_HINT = 1; # Give out hints to help fix problems.
+
+$GRAMMAR = q!
+
+{
+ my ( %tables, $table_order, @table_comments );
+}
+
+#
+# The "eofile" rule makes the parser fail if any "statement" rule
+# fails. Otherwise, the first successful match by a "statement"
+# won't cause the failure needed to know that the parse, as a whole,
+# failed. -ky
+#
+startrule : statement(s) eofile { \%tables }
+
+eofile : /^\Z/
+
+statement : comment
+ | use
+ | set
+ | drop
+ | create
+ | <error>
+
+use : /use/i WORD ';'
+ { @table_comments = () }
+
+set : /set/i /[^;]+/ ';'
+ { @table_comments = () }
+
+drop : /drop/i TABLE /[^;]+/ ';'
+
+drop : /drop/i WORD(s) ';'
+ { @table_comments = () }
+
+create : CREATE /database/i WORD ';'
+ { @table_comments = () }
+
+create : CREATE TABLE table_name '(' create_definition(s /,/) ')' ';'
+ {
+ my $table_name = $item{'table_name'};
+ $tables{ $table_name }{'order'} = ++$table_order;
+ $tables{ $table_name }{'table_name'} = $table_name;
+
+ if ( @table_comments ) {
+ $tables{ $table_name }{'comments'} = [ @table_comments ];
+ @table_comments = ();
+ }
+
+ my $i = 1;
+ for my $definition ( @{ $item[5] } ) {
+ if ( $definition->{'supertype'} eq 'field' ) {
+ my $field_name = $definition->{'name'};
+ $tables{ $table_name }{'fields'}{ $field_name } =
+ { %$definition, order => $i };
+ $i++;
+
+ if ( $definition->{'is_primary_key'} ) {
+ push @{ $tables{ $table_name }{'constraints'} },
+ {
+ type => 'primary_key',
+ fields => [ $field_name ],
+ }
+ ;
+ }
+ }
+ elsif ( $definition->{'supertype'} eq 'constraint' ) {
+ push @{ $tables{ $table_name }{'constraints'} }, $definition;
+ }
+ elsif ( $definition->{'supertype'} eq 'index' ) {
+ push @{ $tables{ $table_name }{'indices'} }, $definition;
+ }
+ }
+
+ 1;
+ }
+
+create : CREATE UNIQUE(?) /(index|key)/i index_name /on/i table_name '(' field_name(s /,/) ')' ';'
+ {
+ @table_comments = ();
+ push @{ $tables{ $item{'table_name'} }{'indices'} },
+ {
+ name => $item[4],
+ type => $item[2] ? 'unique' : 'normal',
+ fields => $item[8],
+ }
+ ;
+ }
+
+create_definition : constraint
+ | index
+ | field
+ | comment
+ | <error>
+
+comment : /^\s*--(.*)\n/
+ {
+ my $comment = $1;
+ $return = $comment;
+ push @table_comments, $comment;
+ }
+
+field : field_name data_type field_qualifier(s?) reference_definition(?)
+ {
+# my %qualifiers = map { %$_ } @{ $item{'field_qualifier(s?)'} || [] };
+# if ( my @type_quals = @{ $item{'data_type'}{'qualifiers'} || [] } ) {
+# $qualifiers{ $_ } = 1 for @type_quals;
+# }
+#
+# my $null = defined $qualifiers{'not_null'}
+# ? $qualifiers{'not_null'} : 1;
+# delete $qualifiers{'not_null'};
+
+ $return = {
+ supertype => 'field',
+ name => $item{'field_name'},
+ data_type => $item{'data_type'}{'type'},
+ size => $item{'data_type'}{'size'},
+# null => $null,
+ constraints => $item{'reference_definition(?)'},
+# %qualifiers,
+ }
+ }
+ | <error>
+
+field_qualifier : not_null
+ {
+ $return = {
+ null => $item{'not_null'},
+ }
+ }
+
+field_qualifier : default_val
+ {
+ $return = {
+ default => $item{'default_val'},
+ }
+ }
+
+field_qualifier : auto_inc
+ {
+ $return = {
+ is_auto_inc => $item{'auto_inc'},
+ }
+ }
+
+field_qualifier : primary_key
+ {
+ $return = {
+ is_primary_key => $item{'primary_key'},
+ }
+ }
+
+field_qualifier : unsigned
+ {
+ $return = {
+ is_unsigned => $item{'unsigned'},
+ }
+ }
+
+field_qualifier : /character set/i WORD
+ {
+ $return = {
+ character_set => $item[2],
+ }
+ }
+
+reference_definition : /references/i table_name parens_field_list(?) match_type(?) on_delete_do(?) on_update_do(?)
+ {
+ $return = {
+ type => 'foreign_key',
+ reference_table => $item[2],
+ reference_fields => $item[3][0],
+ match_type => $item[4][0],
+ on_delete_do => $item[5][0],
+ on_update_do => $item[6][0],
+ }
+ }
+
+match_type : /match full/i { 'full' }
+ |
+ /match partial/i { 'partial' }
+
+on_delete_do : /on delete/i reference_option
+ { $item[2] }
+
+on_update_do : /on update/i reference_option
+ { $item[2] }
+
+reference_option: /restrict/i |
+ /cascade/i |
+ /set null/i |
+ /no action/i |
+ /set default/i
+ { $item[1] }
+
+index : normal_index
+ | fulltext_index
+ | <error>
+
+table_name : NAME
+
+field_name : NAME
+
+index_name : NAME
+
+data_type : access_data_type parens_value_list(s?) type_qualifier(s?)
+ {
+ $return = {
+ type => $item[1],
+ size => $item[2][0],
+ qualifiers => $item[3],
+ }
+ }
+
+access_data_type : /long integer/i { $return = 'Long Integer' }
+ | /text/i { $return = 'Text' }
+ | /datetime (\(short\))?/i { $return = 'DateTime' }
+ | /boolean/i { $return = 'Boolean' }
+ | WORD
+
+parens_field_list : '(' field_name(s /,/) ')'
+ { $item[2] }
+
+parens_value_list : '(' VALUE(s /,/) ')'
+ { $item[2] }
+
+type_qualifier : /(BINARY|UNSIGNED|ZEROFILL)/i
+ { lc $item[1] }
+
+field_type : WORD
+
+create_index : /create/i /index/i
+
+not_null : /not/i /null/i { $return = 0 }
+
+unsigned : /unsigned/i { $return = 0 }
+
+default_val : /default/i /'(?:.*?\\')*.*?'|(?:')?[\w\d:.-]*(?:')?/
+ {
+ $item[2] =~ s/^\s*'|'\s*$//g;
+ $return = $item[2];
+ }
+
+auto_inc : /auto_increment/i { 1 }
+
+primary_key : /primary/i /key/i { 1 }
+
+constraint : primary_key_def
+ | unique_key_def
+ | foreign_key_def
+ | <error>
+
+foreign_key_def : foreign_key_def_begin parens_field_list reference_definition
+ {
+ $return = {
+ supertype => 'constraint',
+ type => 'foreign_key',
+ name => $item[1],
+ fields => $item[2],
+ %{ $item{'reference_definition'} },
+ }
+ }
+
+foreign_key_def_begin : /constraint/i /foreign key/i
+ { $return = '' }
+ |
+ /constraint/i WORD /foreign key/i
+ { $return = $item[2] }
+ |
+ /foreign key/i
+ { $return = '' }
+
+primary_key_def : primary_key index_name(?) '(' name_with_opt_paren(s /,/) ')'
+ {
+ $return = {
+ supertype => 'constraint',
+ name => $item{'index_name(?)'}[0],
+ type => 'primary_key',
+ fields => $item[4],
+ };
+ }
+
+unique_key_def : UNIQUE KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')'
+ {
+ $return = {
+ supertype => 'constraint',
+ name => $item{'index_name(?)'}[0],
+ type => 'unique',
+ fields => $item[5],
+ }
+ }
+
+normal_index : KEY index_name(?) '(' name_with_opt_paren(s /,/) ')'
+ {
+ $return = {
+ supertype => 'index',
+ type => 'normal',
+ name => $item{'index_name(?)'}[0],
+ fields => $item[4],
+ }
+ }
+
+fulltext_index : /fulltext/i KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')'
+ {
+ $return = {
+ supertype => 'index',
+ type => 'fulltext',
+ name => $item{'index_name(?)'}[0],
+ fields => $item[5],
+ }
+ }
+
+name_with_opt_paren : NAME parens_value_list(s?)
+ { $item[2][0] ? "$item[1]($item[2][0][0])" : $item[1] }
+
+UNIQUE : /unique/i { 1 }
+
+KEY : /key/i | /index/i
+
+table_option : WORD /\s*=\s*/ WORD
+ {
+ $return = { $item[1] => $item[3] };
+ }
+
+CREATE : /create/i
+
+TEMPORARY : /temporary/i
+
+TABLE : /table/i
+
+WORD : /\w+/
+
+DIGITS : /\d+/
+
+COMMA : ','
+
+NAME : "`" /\w+/ "`"
+ { $item[2] }
+ | /\w+/
+ { $item[1] }
+
+VALUE : /[-+]?\.?\d+(?:[eE]\d+)?/
+ { $item[1] }
+ | /'.*?'/
+ {
+ # remove leading/trailing quotes
+ my $val = $item[1];
+ $val =~ s/^['"]|['"]$//g;
+ $return = $val;
+ }
+ | /NULL/
+ { 'NULL' }
+
+!;
+
+# -------------------------------------------------------------------
+sub parse {
+ my ( $translator, $data ) = @_;
+ my $parser = Parse::RecDescent->new($GRAMMAR);
+
+ local $::RD_TRACE = $translator->trace ? 1 : undef;
+ local $DEBUG = $translator->debug;
+
+ unless (defined $parser) {
+ return $translator->error("Error instantiating Parse::RecDescent ".
+ "instance: Bad grammer");
+ }
+
+ my $result = $parser->startrule($data);
+ return $translator->error( "Parse failed." ) unless defined $result;
+ warn Dumper( $result ) if $DEBUG;
+
+ my $schema = $translator->schema;
+ my @tables = sort {
+ $result->{ $a }->{'order'} <=> $result->{ $b }->{'order'}
+ } keys %{ $result };
+
+ for my $table_name ( @tables ) {
+ my $tdata = $result->{ $table_name };
+ my $table = $schema->add_table(
+ name => $tdata->{'table_name'},
+ ) or die $schema->error;
+
+ $table->comments( $tdata->{'comments'} );
+
+ my @fields = sort {
+ $tdata->{'fields'}->{$a}->{'order'}
+ <=>
+ $tdata->{'fields'}->{$b}->{'order'}
+ } keys %{ $tdata->{'fields'} };
+
+ for my $fname ( @fields ) {
+ my $fdata = $tdata->{'fields'}{ $fname };
+ my $field = $table->add_field(
+ name => $fdata->{'name'},
+ data_type => $fdata->{'data_type'},
+ size => $fdata->{'size'},
+ default_value => $fdata->{'default'},
+ is_auto_increment => $fdata->{'is_auto_inc'},
+ is_nullable => $fdata->{'null'},
+ comments => $fdata->{'comments'},
+ ) or die $table->error;
+
+ $table->primary_key( $field->name ) if $fdata->{'is_primary_key'};
+
+# for my $qual ( qw[ binary unsigned zerofill list ] ) {
+# if ( my $val = $fdata->{ $qual } || $fdata->{ uc $qual } ) {
+# next if ref $val eq 'ARRAY' && !@$val;
+# $field->extra( $qual, $val );
+# }
+# }
+
+# for my $cdata ( @{ $fdata->{'constraints'} } ) {
+# next unless $cdata->{'type'} eq 'foreign_key';
+# $cdata->{'fields'} ||= [ $field->name ];
+# push @{ $tdata->{'constraints'} }, $cdata;
+# }
+ }
+
+ for my $idata ( @{ $tdata->{'indices'} || [] } ) {
+ my $index = $table->add_index(
+ name => $idata->{'name'},
+ type => uc $idata->{'type'},
+ fields => $idata->{'fields'},
+ ) or die $table->error;
+ }
+
+# for my $cdata ( @{ $tdata->{'constraints'} || [] } ) {
+# my $constraint = $table->add_constraint(
+# name => $cdata->{'name'},
+# type => $cdata->{'type'},
+# fields => $cdata->{'fields'},
+# reference_table => $cdata->{'reference_table'},
+# reference_fields => $cdata->{'reference_fields'},
+# match_type => $cdata->{'match_type'} || '',
+# on_delete => $cdata->{'on_delete_do'},
+# on_update => $cdata->{'on_update_do'},
+# ) or die $table->error;
+# }
+ }
+
+ return 1;
+}
+
+1;
+
+# -------------------------------------------------------------------
+# Where man is not nature is barren.
+# William Blake
+# -------------------------------------------------------------------
+
+=pod
+
+=head1 AUTHOR
+
+Ken Y. Clark E<lt>kclark@cpan.orgE<gt>.
+
+=head1 SEE ALSO
+
+perl(1), Parse::RecDescent, SQL::Translator::Schema.
+
+=cut
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