package SQL::Translator;
-# ----------------------------------------------------------------------
-# $Id: Translator.pm,v 1.73 2007-10-24 10:55:45 schiffbruechige Exp $
-# ----------------------------------------------------------------------
-# Copyright (C) 2002-4 The 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
-# -------------------------------------------------------------------
-
use strict;
-use vars qw( $VERSION $REVISION $DEFAULT_SUB $DEBUG $ERROR );
+use vars qw( $VERSION $DEFAULT_SUB $DEBUG $ERROR );
use base 'Class::Base';
-require 5.004;
+require 5.005;
-$VERSION = '0.09000';
-$REVISION = sprintf "%d.%02d", q$Revision: 1.73 $ =~ /(\d+)\.(\d+)/;
+$VERSION = '0.11010';
$DEBUG = 0 unless defined $DEBUG;
$ERROR = "";
use Carp qw(carp);
use Data::Dumper;
-use Class::Base;
use File::Find;
use File::Spec::Functions qw(catfile);
use File::Basename qw(dirname);
use IO::Dir;
+use SQL::Translator::Producer;
use SQL::Translator::Schema;
-# ----------------------------------------------------------------------
-# The default behavior is to "pass through" values (note that the
-# SQL::Translator instance is the first value ($_[0]), and the stuff
-# to be parsed is the second value ($_[1])
-# ----------------------------------------------------------------------
$DEFAULT_SUB = sub { $_[0]->schema } unless defined $DEFAULT_SUB;
-# ----------------------------------------------------------------------
-# init([ARGS])
-# The constructor.
-#
-# new takes an optional hash of arguments. These arguments may
-# include a parser, specified with the keys "parser" or "from",
-# and a producer, specified with the keys "producer" or "to".
-#
-# The values that can be passed as the parser or producer are
-# given directly to the parser or producer methods, respectively.
-# See the appropriate method description below for details about
-# what each expects/accepts.
-# ----------------------------------------------------------------------
sub init {
my ( $self, $config ) = @_;
#
$self->trace( $config->{'trace'} );
$self->validate( $config->{'validate'} );
-
- $self->quote_table_names( (defined $config->{'quote_table_names'}
+
+ $self->quote_table_names( (defined $config->{'quote_table_names'}
? $config->{'quote_table_names'} : 1) );
- $self->quote_field_names( (defined $config->{'quote_field_names'}
+ $self->quote_field_names( (defined $config->{'quote_field_names'}
? $config->{'quote_field_names'} : 1) );
return $self;
}
-# ----------------------------------------------------------------------
-# add_drop_table([$bool])
-# ----------------------------------------------------------------------
sub add_drop_table {
my $self = shift;
if ( defined (my $arg = shift) ) {
return $self->{'add_drop_table'} || 0;
}
-# ----------------------------------------------------------------------
-# no_comments([$bool])
-# ----------------------------------------------------------------------
sub no_comments {
my $self = shift;
my $arg = shift;
return $self->{'no_comments'} || 0;
}
-
-# ----------------------------------------------------------------------
-# quote_table_names([$bool])
-# ----------------------------------------------------------------------
sub quote_table_names {
my $self = shift;
if ( defined (my $arg = shift) ) {
return $self->{'quote_table_names'} || 0;
}
-# ----------------------------------------------------------------------
-# quote_field_names([$bool])
-# ----------------------------------------------------------------------
sub quote_field_names {
my $self = shift;
if ( defined (my $arg = shift) ) {
return $self->{'quote_field_names'} || 0;
}
-# ----------------------------------------------------------------------
-# producer([$producer_spec])
-#
-# Get or set the producer for the current translator.
-# ----------------------------------------------------------------------
sub producer {
shift->_tool({
name => 'producer',
}, @_);
}
-# ----------------------------------------------------------------------
-# producer_type()
-#
-# producer_type is an accessor that allows producer subs to get
-# information about their origin. This is poptentially important;
-# since all producer subs are called as subroutine references, there is
-# no way for a producer to find out which package the sub lives in
-# originally, for example.
-# ----------------------------------------------------------------------
sub producer_type { $_[0]->{'producer_type'} }
-# ----------------------------------------------------------------------
-# producer_args([\%args])
-#
-# Arbitrary name => value pairs of paramters can be passed to a
-# producer using this method.
-#
-# If the first argument passed in is undef, then the hash of arguments
-# is cleared; all subsequent elements are added to the hash of name,
-# value pairs stored as producer_args.
-# ----------------------------------------------------------------------
sub producer_args { shift->_args("producer", @_); }
-# ----------------------------------------------------------------------
-# parser([$parser_spec])
-# ----------------------------------------------------------------------
sub parser {
shift->_tool({
name => 'parser',
sub parser_args { shift->_args("parser", @_); }
-# ----------------------------------------------------------------------
-# e.g.
-# $sqlt->filters => [
-# sub { },
-# [ "NormalizeNames", field => "lc", tabel => "ucfirst" ],
-# [
-# "DataTypeMap",
-# "TEXT" => "BIGTEXT",
-# ],
-# ],
-# ----------------------------------------------------------------------
sub filters {
my $self = shift;
my $filters = $self->{filters} ||= [];
return @$filters;
}
-# ----------------------------------------------------------------------
sub show_warnings {
my $self = shift;
my $arg = shift;
}
-# filename - get or set the filename
sub filename {
my $self = shift;
if (@_) {
$self->{'filename'};
}
-# ----------------------------------------------------------------------
-# data([$data])
-#
-# if $self->{'data'} is not set, but $self->{'filename'} is, then
-# $self->{'filename'} is opened and read, with the results put into
-# $self->{'data'}.
-# ----------------------------------------------------------------------
sub data {
my $self = shift;
$data = join '', @$data;
}
elsif (isa($data, 'GLOB')) {
+ seek ($data, 0, 0) if eof ($data);
local $/;
$data = <$data>;
}
return $self->{'data'};
}
-# ----------------------------------------------------------------------
sub reset {
#
# Deletes the existing Schema object so that future calls to translate
return 1;
}
-# ----------------------------------------------------------------------
sub schema {
#
# Returns the SQL::Translator::Schema object
return $self->{'schema'};
}
-# ----------------------------------------------------------------------
sub trace {
my $self = shift;
my $arg = shift;
return $self->{'trace'} || 0;
}
-# ----------------------------------------------------------------------
-# translate([source], [\%args])
-#
-# translate does the actual translation. The main argument is the
-# source of the data to be translated, which can be a filename, scalar
-# reference, or glob reference.
-#
-# Alternatively, translate takes optional arguements, which are passed
-# to the appropriate places. Most notable of these arguments are
-# parser and producer, which can be used to set the parser and
-# producer, respectively. This is the applications last chance to set
-# these.
-#
-# translate returns a string.
-# ----------------------------------------------------------------------
sub translate {
my $self = shift;
my ($args, $parser, $parser_type, $producer, $producer_type);
return wantarray ? @producer_output : $producer_output;
}
-# ----------------------------------------------------------------------
-# list_parsers()
-#
-# Hacky sort of method to list all available parsers. This has
-# several problems:
-#
-# - Only finds things in the SQL::Translator::Parser namespace
-#
-# - Only finds things that are located in the same directory
-# as SQL::Translator::Parser. Yeck.
-#
-# This method will fail in several very likely cases:
-#
-# - Parser modules in different namespaces
-#
-# - Parser modules in the SQL::Translator::Parser namespace that
-# have any XS componenets will be installed in
-# arch_lib/SQL/Translator.
-#
-# ----------------------------------------------------------------------
sub list_parsers {
return shift->_list("parser");
}
-# ----------------------------------------------------------------------
-# list_producers()
-#
-# See notes for list_parsers(), above; all the problems apply to
-# list_producers as well.
-# ----------------------------------------------------------------------
sub list_producers {
return shift->_list("producer");
}
# ----------------------------------------------------------------------
# Does the get/set work for parser and producer. e.g.
-# return $self->_tool({
-# name => 'producer',
+# return $self->_tool({
+# name => 'producer',
# path => "SQL::Translator::Producer",
# default_sub => "produce",
# }, @_);
my $path = $args->{path};
my $default_sub = $args->{default_sub};
my $tool = shift;
-
+
# passed an anonymous subroutine reference
if (isa($tool, 'CODE')) {
$self->{$name} = $tool;
my $uctype = ucfirst lc $type;
#
- # First find all the directories where SQL::Translator
+ # First find all the directories where SQL::Translator
# parsers or producers (the "type") appear to live.
#
load("SQL::Translator::$uctype") or return ();
}
#
- # Now use File::File::find to look recursively in those
+ # Now use File::File::find to look recursively in those
# directories for all the *.pm files, then present them
# with the slashes turned into dashes.
#
my %found;
- find(
- sub {
+ find(
+ sub {
if ( -f && m/\.pm$/ ) {
my $mod = $_;
$mod =~ s/\.pm$//;
return $module if $INC{$file}; # Already loaded
eval { require $file };
- next if $@ =~ /Can't locate $file in \@INC/;
+ next if $@ =~ /Can't locate $file in \@INC/;
eval { $module->import() } unless $@;
return __PACKAGE__->error("Error loading $name as $module : $@")
if $@ && $@ !~ /"SQL::Translator::Producer" is not exported/;
return undef;
}
-# ----------------------------------------------------------------------
sub format_table_name {
return shift->_format_name('_format_table_name', @_);
}
-# ----------------------------------------------------------------------
sub format_package_name {
return shift->_format_name('_format_package_name', @_);
}
-# ----------------------------------------------------------------------
sub format_fk_name {
return shift->_format_name('_format_fk_name', @_);
}
-# ----------------------------------------------------------------------
sub format_pk_name {
return shift->_format_name('_format_pk_name', @_);
}
return @args ? $self->{$field}->(@args) : $self->{$field};
}
-# ----------------------------------------------------------------------
-# isa($ref, $type)
-#
-# Calls UNIVERSAL::isa($ref, $type). I think UNIVERSAL::isa is ugly,
-# but I like function overhead.
-# ----------------------------------------------------------------------
sub isa($$) {
my ($ref, $type) = @_;
return UNIVERSAL::isa($ref, $type);
}
-# ----------------------------------------------------------------------
-# version
-#
-# Returns the $VERSION of the main SQL::Translator package.
-# ----------------------------------------------------------------------
sub version {
my $self = shift;
return $VERSION;
}
-# ----------------------------------------------------------------------
sub validate {
my ( $self, $arg ) = @_;
if ( defined $arg ) {
=head2 add_drop_table
-Toggles whether or not to add "DROP TABLE" statements just before the
+Toggles whether or not to add "DROP TABLE" statements just before the
create definitions.
=head2 quote_table_names
define what subroutine is called to produce the output. A subroutine
defined as a producer will be invoked as a function (I<not a method>)
and passed its container C<SQL::Translator> instance, which it should
-call the C<schema> method on, to get the C<SQL::Translator::Schema>
+call the C<schema> method on, to get the C<SQL::Translator::Schema>
generated by the parser. It is expected that the function transform the
-schema structure to a string. The C<SQL::Translator> instance is also useful
+schema structure to a string. The C<SQL::Translator> instance is also useful
for informational purposes; for example, the type of the parser can be
retrieved using the C<parser_type> method, and the C<error> and
C<debug> methods can be called when needed.
=head1 AUTHORS
-The following people have contributed to the SQLFairy project:
-
-=over 4
-
-=item * Mark Addison <grommit@users.sourceforge.net>
-
-=item * Sam Angiuoli <angiuoli@users.sourceforge.net>
-
-=item * Anders Nor Berle <berle@cpan.org>
-
-=item * Dave Cash <dave@gnofn.org>
-
-=item * Darren Chamberlain <dlc@users.sourceforge.net>
-
-=item * Ken Y. Clark <kclark@cpan.org>
-
-=item * Allen Day <allenday@users.sourceforge.net>
-
-=item * Paul Harrington <phrrngtn@users.sourceforge.net>
-
-=item * Mikey Melillo <mmelillo@users.sourceforge.net>
-
-=item * Chris Mungall <cjm@fruitfly.org>
-
-=item * Ross Smith II <rossta@users.sf.net>
-
-=item * Gudmundur A. Thorisson <mummi@cshl.org>
-
-=item * Chris To <christot@users.sourceforge.net>
-
-=item * Jason Williams <smdwilliams@users.sourceforge.net>
-
-=item * Ying Zhang <zyolive@yahoo.com>
-
-=item * Daniel Ruoso <daniel@ruoso.com>
-
-=back
+See the included AUTHORS file:
+L<http://search.cpan.org/dist/SQL-Translator/AUTHORS>
If you would like to contribute to the project, you can send patches
to the developers mailing list:
=head1 PRAISE
-If you find this module useful, please use
+If you find this module useful, please use
L<http://cpanratings.perl.org/rate/?distribution=SQL-Translator> to rate it.
=head1 SEE ALSO
projects / dbsrgits/SQL-Translator.git / blobdiff