File Coverage

lib/DBD/mysqlPPrawSjis.pm

Criterion	Covered	Total	%
statement	40	310	12.9
branch	1	140	0.7
condition	0	49	0.0
subroutine	14	39	35.9
pod	0	1	0.0
total	55	539	10.2

package DBD::mysqlPPrawSjis;
use strict;
BEGIN { $INC{'warnings.pm'} = '' if $] < 5.006 }; use warnings; $^W=1;

use DBI;
use Carp;
use vars qw($VERSION $err $errstr $state $drh);

$VERSION = '0.16';
$VERSION = $VERSION;
$err = 0;
$errstr = '';
$state = undef;
$drh = undef;


sub driver
{
    return $drh if $drh;

    my $class = shift;
    my $attr  = shift;
    $class .= '::dr';

    $drh = DBI::_new_drh($class, {
        Name        => 'mysqlPPrawSjis',
        Version     => $VERSION,
        Err         => \$DBD::mysqlPPrawSjis::err,
        Errstr      => \$DBD::mysqlPPrawSjis::errstr,
        State       => \$DBD::mysqlPPrawSjis::state,
        Attribution => 'DBD::mysqlPPrawSjis by Hiroyuki OYAMA and ShiftJIS support by INABA Hitoshi',
    }, {});
}


sub _parse_dsn
{
    my $class = shift;
    my ($dsn, $args) = @_;
    my($hash, $var, $val);
    return if ! defined $dsn;

    while (length $dsn) {
        if ($dsn =~ /([^:;]*)[:;](.*)/) {
            $val = $1;
            $dsn = $2;
        }
        else {
            $val = $dsn;
            $dsn = '';
        }
        if ($val =~ /([^=]*)=(.*)/) {
            $var = $1;
            $val = $2;
            if ($var eq 'hostname' || $var eq 'host') {
                $hash->{'host'} = $val;
            }
            elsif ($var eq 'db' || $var eq 'dbname') {
                $hash->{'database'} = $val;
            }
            else {
                $hash->{$var} = $val;
            }
        }
        else {
            for $var (@$args) {
                if (!defined($hash->{$var})) {
                    $hash->{$var} = $val;
                    last;
                }
            }
        }
    }

# DBD::mysqlPPrawSjis (1 of 5)
    $hash->{'host'} = '127.0.0.1' unless defined $hash->{'host'};

    return $hash;
}


sub _parse_dsn_host
{
    my($class, $dsn) = @_;
    my $hash = $class->_parse_dsn($dsn, ['host', 'port']);
    ($hash->{'host'}, $hash->{'port'});
}



package DBD::mysqlPPrawSjis::dr;

use vars qw($imp_data_size);
$DBD::mysqlPPrawSjis::dr::imp_data_size = 0;

use Net::MySQL;
use strict;


sub connect
{
    my $drh = shift;
    my ($dsn, $user, $password, $attrhash) = @_;

    my $data_source_info = DBD::mysqlPPrawSjis->_parse_dsn(
        $dsn, ['database', 'host', 'port'],
    );
    $user     ||= '';
    $password ||= '';

    my $dbh = DBI::_new_dbh($drh, {
        Name         => $dsn,
        USER         => $user,
        CURRENT_USRE => $user,
    }, {});
    eval {
        my $mysql = Net::MySQL->new(
            hostname => $data_source_info->{host},
            port     => $data_source_info->{port},
            database => $data_source_info->{database},
            user     => $user,
            password => $password,
            debug    => $attrhash->{protocol_dump},
        );
        $dbh->STORE(mysqlpprawsjis_connection => $mysql);
        $dbh->STORE(thread_id => $mysql->{server_thread_id});
    };
    if ($@) {
        return $dbh->DBI::set_err(1, $@);
    }

# DBD::mysqlPPrawSjis (2 of 5)
    return $dbh;

    my $sth = $dbh->prepare(q{SHOW VARIABLES LIKE 'character\\_set\\_%'});
    $sth->execute();
    my %character_set = ();
    while(my($variable_name,$value) = $sth->fetchrow_array()){
        $character_set{$variable_name} = $value;
    }
    if (($character_set{'character_set_server'}   eq 'cp932') and
        ($character_set{'character_set_database'} eq 'cp932') and
        ($character_set{'character_set_client'}   eq 'cp932')
    ) {
    }
    elsif (($character_set{'character_set_server'}   eq 'sjis') and
           ($character_set{'character_set_database'} eq 'sjis') and
           ($character_set{'character_set_client'}   eq 'sjis')
    ) {
    }
    elsif ($character_set{'character_set_server'} ne 'cp932') {
        return $dbh->DBI::set_err(1, "Can't handle cp932(Variable 'character_set_server' is not 'cp932').\n");
    }
    elsif ($character_set{'character_set_database'} ne 'cp932') {
        return $dbh->DBI::set_err(1, "Can't handle cp932(Variable 'character_set_database' is not 'cp932').\n");
    }
    elsif ($character_set{'character_set_client'} ne 'cp932') {
        return $dbh->DBI::set_err(1, "Can't handle cp932(Variable 'character_set_client' is not 'cp932').\n");
    }

    eval {
        $dbh->do(q{DROP TABLE test_character_set});
    };
    $dbh->do(q{CREATE TABLE test_character_set (id INT, c_cp932 TEXT)});
    $dbh->do(q{INSERT INTO test_character_set (id,c_cp932) VALUES (?,?)}, {}, 1, 'ab');					#
    $dbh->do(q{INSERT INTO test_character_set (id,c_cp932) VALUES (?,?)}, {}, 2, '\\');					# 0x5C
    $dbh->do(q{INSERT INTO test_character_set (id,c_cp932) VALUES (?,?)}, {}, 3, "\xB6\xC5");			#
    $dbh->do(q{INSERT INTO test_character_set (id,c_cp932) VALUES (?,?)}, {}, 4, "\x83\x4A\x83\x69");	#
    $dbh->do(q{INSERT INTO test_character_set (id,c_cp932) VALUES (?,?)}, {}, 5, "\x81\x60\x81\x61");	#
    $dbh->do(q{INSERT INTO test_character_set (id,c_cp932) VALUES (?,?)}, {}, 6, "\x87\x40\x87\x62");	#
    $dbh->do(q{INSERT INTO test_character_set (id,c_cp932) VALUES (?,?)}, {}, 7, "\xFA\x42\xFB\xFC");	#
    $dbh->do(q{INSERT INTO test_character_set (id,c_cp932) VALUES (?,?)}, {}, 8, "\xF8\x9F");			# 0xF89F

    $dbh->do(q{INSERT INTO test_character_set (id,c_cp932) VALUES (?,?)}, {},  9, "\x00");				# NUL
    $dbh->do(q{INSERT INTO test_character_set (id,c_cp932) VALUES (?,?)}, {}, 10, "\x0A");				# LF
    $dbh->do(q{INSERT INTO test_character_set (id,c_cp932) VALUES (?,?)}, {}, 11, "\x0D");				# CR
    $dbh->do(q{INSERT INTO test_character_set (id,c_cp932) VALUES (?,?)}, {}, 12, "\x1A");				# Ctrl+Z
    $dbh->do(q{INSERT INTO test_character_set (id,c_cp932) VALUES (?,?)}, {}, 13, "\x5C");				# \
    $dbh->do(q{INSERT INTO test_character_set (id,c_cp932) VALUES (?,?)}, {}, 14, "\x27");				# '
    $dbh->do(q{INSERT INTO test_character_set (id,c_cp932) VALUES (?,?)}, {}, 15, "\x22");				# "
    $dbh->do(q{INSERT INTO test_character_set (id,c_cp932) VALUES (?,?)}, {}, 16, "\x83\x5C");			#

    my $sth2 = $dbh->prepare(q{SELECT id, c_cp932 FROM test_character_set});
    $sth2->execute();
    my %c_cp932 = ();
    while(my($id,$c_cp932) = $sth2->fetchrow_array()){
        $c_cp932{$id} = $c_cp932;
    }

    if ($c_cp932{1} ne "\x61\x62") {
        return $dbh->DBI::set_err(1, "Can't handle cp932(Inserted HEX('61','62') can't select such as).\n");
    }
    if ($c_cp932{2} ne "\x5C") {
        return $dbh->DBI::set_err(1, "Can't handle cp932(Inserted HEX('5C') can't select such as).\n");
    }
    if ($c_cp932{3} ne "\xB6\xC5") {
        return $dbh->DBI::set_err(1, "Can't handle cp932(Inserted HEX('B6','C5') can't select such as).\n");
    }
    if ($c_cp932{4} ne "\x83\x4A\x83\x69") {
        return $dbh->DBI::set_err(1, "Can't handle cp932(Inserted HEX('834A','8369') can't select such as).\n");
    }
    if ($c_cp932{5} ne "\x81\x60\x81\x61") {
        return $dbh->DBI::set_err(1, "Can't handle cp932(Inserted HEX('8160','8161') can't select such as).\n");
    }
    if ($c_cp932{6} ne "\x87\x40\x87\x62") {
        return $dbh->DBI::set_err(1, "Can't handle cp932(Inserted HEX('8740','8762') can't select such as).\n");
    }
    if ($c_cp932{7} ne "\xFA\x42\xFB\xFC") {
        return $dbh->DBI::set_err(1, "Can't handle cp932(Inserted HEX('FA42','FBFC') can't select such as).\n");
    }
    if ($c_cp932{8} ne "\xF8\x9F") {
        return $dbh->DBI::set_err(1, "Can't handle cp932(Inserted HEX('F89F') can't select such as).\n");
    }

    if ($c_cp932{9} ne "\x00") {
        return $dbh->DBI::set_err(1, "Can't handle cp932(Inserted HEX('00') can't select such as).\n");
    }
    if ($c_cp932{10} ne "\x0A") {
        return $dbh->DBI::set_err(1, "Can't handle cp932(Inserted HEX('0A') can't select such as).\n");
    }
    if ($c_cp932{11} ne "\x0D") {
        return $dbh->DBI::set_err(1, "Can't handle cp932(Inserted HEX('0D') can't select such as).\n");
    }
    if ($c_cp932{12} ne "\x1A") {
        return $dbh->DBI::set_err(1, "Can't handle cp932(Inserted HEX('1A') can't select such as).\n");
    }
    if ($c_cp932{13} ne "\x5C") {
        return $dbh->DBI::set_err(1, "Can't handle cp932(Inserted HEX('5C') can't select such as).\n");
    }
    if ($c_cp932{14} ne "\x27") {
        return $dbh->DBI::set_err(1, "Can't handle cp932(Inserted HEX('27') can't select such as).\n");
    }
    if ($c_cp932{15} ne "\x22") {
        return $dbh->DBI::set_err(1, "Can't handle cp932(Inserted HEX('22') can't select such as).\n");
    }
    if ($c_cp932{16} ne "\x83\x5C") {
        return $dbh->DBI::set_err(1, "Can't handle cp932(Inserted HEX('835C') can't select such as).\n");
    }

    return $dbh;
}


sub data_sources
{
    return ("dbi:mysqlPPrawSjis:");
}


sub disconnect_all {}



package DBD::mysqlPPrawSjis::db;

use vars qw($imp_data_size);
$DBD::mysqlPPrawSjis::db::imp_data_size = 0;
use strict;


# Patterns referred to 'mysql_sub_escape_string()' of libmysql.c
sub quote
{
    my $dbh = shift;
    my ($statement, $type) = @_;
    return 'NULL' unless defined $statement;

# DBD::mysqlPPrawSjis (3 of 5)
    if (1) {
        my @statement = ();
        while ($statement =~ /\G ( [\x81-\x9F\xE0-\xFC][\x00-\xFF] | [\x00-\xFF] )/gsx) {
            push @statement,
                {
                    # ref. mysql_real_escape_string()
                    qq(\\)   => q(\\\\),
                    qq(\0)   => q(\\0),
                    qq(\n)   => q(\\n),
                    qq(\r)   => q(\\r),
                    qq(')    => q(\\'),
                    qq(")    => q(\\"),
                    qq(\x1A) => q(\\Z),
                }->{$1} || $1;
        }
        $statement = join '', @statement;
    }
    else {
        for ($statement) {
            s/\\/\\\\/g;
            s/\0/\\0/g;
            s/\n/\\n/g;
            s/\r/\\r/g;
            s/'/\\'/g;
            s/"/\\"/g;
            s/\x1a/\\Z/g;
        }
    }
    return "'$statement'";
}


sub _count_param
{
# DBD::mysqlPPrawSjis (4 of 5)
    if (1) {
        my $statement = shift;
        my $num = 0;

        while ($statement =~ /\G (
            ' (?: '' | \\' | [\x81-\x9F\xE0-\xFC][\x00-\xFF] | [^\x81-\x9F\xE0-\xFC'] )*? ' |
            " (?: "" | \\" | [\x81-\x9F\xE0-\xFC][\x00-\xFF] | [^\x81-\x9F\xE0-\xFC"] )*? " |
              (?:            [\x81-\x9F\xE0-\xFC][\x00-\xFF] | [\x00-\xFF] )
        )/gsx) {
            $num++ if $1 eq '?';
        }
        return $num;
    }
    else {
        my @statement = split //, shift;
        my $num = 0;

        while (defined(my $c = shift @statement)) {
            if ($c eq '"' || $c eq "'") {
                my $end = $c;
                while (defined(my $c = shift @statement)) {
                    last if $c eq $end;
                    @statement = splice @statement, 2 if $c eq '\\';
                }
            }
            elsif ($c eq '?') {
                $num++;
            }
        }
        return $num;
    }
}


sub prepare
{
    my $dbh = shift;
    my ($statement, @attribs) = @_;

    my $sth = DBI::_new_sth($dbh, {
        Statement => $statement,
    });
    $sth->STORE(mysqlpprawsjis_handle => $dbh->FETCH('mysqlpprawsjis_connection'));
    $sth->STORE(mysqlpprawsjis_params => []);
    $sth->STORE(NUM_OF_PARAMS => _count_param($statement));
    $sth;
}


sub commit
{
    my $dbh = shift;
    if ($dbh->FETCH('Warn')) {
        warn 'Commit ineffective while AutoCommit is on';
    }
    1;
}


sub rollback
{
    my $dbh = shift;
    if ($dbh->FETCH('Warn')) {
        warn 'Rollback ineffective while AutoCommit is on';
    }
    1;
}


sub tables
{
    my $dbh = shift;
    my @args = @_;
    my $mysql = $dbh->FETCH('mysqlpprawsjis_connection');

    my @database_list;
    eval {
        $mysql->query('show tables');
        die $mysql->get_error_message if $mysql->is_error;
        if ($mysql->has_selected_record) {
            my $record = $mysql->create_record_iterator;
            while (my $db_name = $record->each) {
                push @database_list, $db_name->[0];
            }
        }
    };
    if ($@) {
        warn $mysql->get_error_message;
    }
    return $mysql->is_error
        ? undef
        : @database_list;
}


sub _ListDBs
{
    my $dbh = shift;
    my @args = @_;
    my $mysql = $dbh->FETCH('mysqlpprawsjis_connection');

    my @database_list;
    eval {
        $mysql->query('show databases');
        die $mysql->get_error_message if $mysql->is_error;
        if ($mysql->has_selected_record) {
            my $record = $mysql->create_record_iterator;
            while (my $db_name = $record->each) {
                push @database_list, $db_name->[0];
            }
        }
    };
    if ($@) {
        warn $mysql->get_error_message;
    }
    return $mysql->is_error
        ? undef
        : @database_list;
}


sub _ListTables
{
    my $dbh = shift;
    return $dbh->tables;
}


sub disconnect
{
    return 1;
}


sub FETCH
{
    my $dbh = shift;
    my $key = shift;

    return 1 if $key eq 'AutoCommit';
    return $dbh->{$key} if $key =~ /^(?:mysqlpprawsjis_.*|thread_id|mysql_insertid)$/;
    return $dbh->SUPER::FETCH($key);
}


sub STORE
{
    my $dbh = shift;
    my ($key, $value) = @_;

    if ($key eq 'AutoCommit') {
        die "Can't disable AutoCommit" unless $value;
        return 1;
    }
    elsif ($key =~ /^(?:mysqlpprawsjis_.*|thread_id|mysql_insertid)$/) {
        $dbh->{$key} = $value;
        return 1;
    }
    return $dbh->SUPER::STORE($key, $value);
}


sub DESTROY
{
    my $dbh = shift;
    my $mysql = $dbh->FETCH('mysqlpprawsjis_connection');
    $mysql->close;
}


package DBD::mysqlPPrawSjis::st;

use vars qw($imp_data_size);
$DBD::mysqlPPrawSjis::st::imp_data_size = 0;
use strict;


sub bind_param
{
    my $sth = shift;
    my ($index, $value, $attr) = @_;
    my $type = (ref $attr) ? $attr->{TYPE} : $attr;
    if ($type) {
        my $dbh = $sth->{Database};
        $value = $dbh->quote($sth, $type);
    }
    my $params = $sth->FETCH('mysqlpprawsjis_param');
    $params->[$index - 1] = $value;
}


sub execute
{
    my $sth = shift;
    my @bind_values = @_;
    my $params = (@bind_values) ?
        \@bind_values : $sth->FETCH('mysqlpprawsjis_params');
    my $num_param = $sth->FETCH('NUM_OF_PARAMS');
    if (@$params != $num_param) {
        # ...
    }
    my $statement = $sth->{Statement};

# DBD::mysqlPPrawSjis (5 of 5)
    if (1) {
        my $dbh = $sth->{Database};
        my @statement = ();
        my $i = 0;

        # LIMIT m,n [Li][Ii][Mm][Ii][Tt] for ignorecase on ShiftJIS (Can't use /LIMIT/i)
        # LIMIT n
        # OFFSET m

        while ($statement =~ /\G (
            ' (?: '' | \\' | [\x81-\x9F\xE0-\xFC][\x00-\xFF] | [^\x81-\x9F\xE0-\xFC'] )*? ' |
            " (?: "" | \\" | [\x81-\x9F\xE0-\xFC][\x00-\xFF] | [^\x81-\x9F\xE0-\xFC"] )*? " |
              (?: \s+ [Ll][Ii][Mm][Ii][Tt] \s+ [?]    \s* , \s* [?]    )                    |
              (?: \s+ [Ll][Ii][Mm][Ii][Tt] \s+ [0-9]+ \s* , \s* [?]    )                    |
              (?: \s+ [Ll][Ii][Mm][Ii][Tt] \s+ [?]    \s* , \s* [0-9]+ )                    |
              (?: \s+ [Ll][Ii][Mm][Ii][Tt] \s+ [?] )                                        |
              (?: \s+ [Oo][Ff][Ff][Ss][Ee][Tt] \s+ [?] )                                    |
              (?:            [\x81-\x9F\xE0-\xFC][\x00-\xFF] | [\x00-\xFF] )
        )/gsx) {
            my $element = $1;
            if (($element =~ /\A \s+ [Ll][Ii][Mm][Ii][Tt] \s+ [?] \s* , \s* [?] \z/x) and
                defined($params->[$i+1]) and
                ($params->[$i+0] =~ /^[0-9]+$/) and
                ($params->[$i+1] =~ /^[0-9]+$/)
            ) {
                $element =~ s{[?]}{$params->[$i++]}e;
                $element =~ s{[?]}{$params->[$i++]}e;
                push @statement, $element;
            }
            elsif (
                ($element =~ /\A \s+ [Ll][Ii][Mm][Ii][Tt] \s+ /x) and
                defined($params->[$i]) and
                ($params->[$i] =~ /^[0-9]+$/)
            ) {
                $element =~ s{[?]}{$params->[$i++]}e;
                push @statement, $element;
            }
            elsif (
                ($element =~ /\A \s+ [Oo][Ff][Ff][Ss][Ee][Tt] \s+ /x) and
                defined($params->[$i]) and
                ($params->[$i] =~ /^[0-9]+$/)
            ) {
                $element =~ s{[?]}{$params->[$i++]}e;
                push @statement, $element;
            }
            elsif (($element eq '?') and defined($params->[$i])) {
                push @statement, $dbh->quote($params->[$i++]);
            }
            else {
                push @statement, $element;
            }
        }
        $statement = join '', @statement;
    }
    else {
        for (my $i = 0; $i < $num_param; $i++) {
            my $dbh = $sth->{Database};
            my $quoted_param = $dbh->quote($params->[$i]);
            $statement =~ s/\?/$quoted_param/e;
        }
    }

# for debug DBD::mysqlPPrawSjis
    if (0) {
        open(QUERY,'>>query.log');
        my($year,$month,$day,$hour,$min,$sec) = (localtime)[5,4,3,2,1,0];
        printf QUERY ("-- %04d-%02d-%02d %02d:%02d:%02d\n", 1900+$year,$month+1,$day,$hour,$min,$sec);
        print QUERY $statement, "\n";
        close(QUERY);
    }

    my $mysql = $sth->FETCH('mysqlpprawsjis_handle');
    my $result = eval {
        $sth->{mysqlpprawsjis_record_iterator} = undef;
        $mysql->query($statement);
        die if $mysql->is_error;

        my $dbh = $sth->{Database};
        $dbh->STORE(mysqlpprawsjis_insertid => $mysql->get_insert_id);
        $dbh->STORE(mysql_insertid => $mysql->get_insert_id);

        $sth->{mysqlpprawsjis_rows} = $mysql->get_affected_rows_length;
        if ($mysql->has_selected_record) {
            my $record = $mysql->create_record_iterator;
            $sth->{mysqlpprawsjis_record_iterator} = $record;
            $sth->STORE(NUM_OF_FIELDS => $record->get_field_length);
            $sth->STORE(NAME => [ $record->get_field_names ]);
        }
        $mysql->get_affected_rows_length;
    };
    if ($@) {
        $sth->DBI::set_err(
            $mysql->get_error_code, $mysql->get_error_message
        );
        return undef;
    }

    return $mysql->is_error
        ? undef : $result
            ? $result : '0E0';
}


sub fetch
{
    my $sth = shift;

    my $iterator = $sth->FETCH('mysqlpprawsjis_record_iterator');
    my $row = $iterator->each;
    return undef unless $row;

    if ($sth->FETCH('ChopBlanks')) {
        map {s/\s+$//} @$row;
    }
    return $sth->_set_fbav($row);
}
use vars qw(*fetchrow_arrayref);
*fetchrow_arrayref = \&fetch;


sub rows
{
    my $sth = shift;
    $sth->FETCH('mysqlpprawsjis_rows');
}


sub FETCH
{
    my $dbh = shift;
    my $key = shift;

    return 1 if $key eq 'AutoCommit';
    return $dbh->{NAME} if $key eq 'NAME';
    return $dbh->{$key} if $key =~ /^mysqlpprawsjis_/;
    return $dbh->SUPER::FETCH($key);
}


sub STORE
{
    my $dbh = shift;
    my ($key, $value) = @_;

    if ($key eq 'AutoCommit') {
        die "Can't disable AutoCommit" unless $value;
        return 1;
    }
    elsif ($key eq 'NAME') {
        $dbh->{NAME} = $value;
        return 1;
    }
    elsif ($key =~ /^mysqlpprawsjis_/) {
        $dbh->{$key} = $value;
        return 1;
    }
    return $dbh->SUPER::STORE($key, $value);
}


sub DESTROY
{
    my $dbh = shift;
}


1;
__END__