2007-05-21 03:34:53 +04:00
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#!/usr/bin/perl
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2008-09-06 02:38:55 +04:00
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# Некоторые простые полезные функции
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2007-05-21 03:34:53 +04:00
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package VMX::Common;
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2008-09-23 20:14:01 +04:00
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use strict;
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2009-01-03 14:56:08 +03:00
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use locale;
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2008-10-13 02:49:29 +04:00
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use utf8;
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2008-02-21 23:56:43 +03:00
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use Encode;
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2009-01-12 03:18:51 +03:00
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use URI::Escape qw(!uri_escape);
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use Carp;
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2008-10-13 02:49:29 +04:00
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use DBI;
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2007-05-29 19:40:59 +04:00
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use Digest::MD5;
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2008-10-17 02:44:03 +04:00
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use Date::Parse;
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2009-01-03 03:46:01 +03:00
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use Date::Manip;
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use I18N::Langinfo qw(langinfo CODESET);
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2008-10-13 02:49:29 +04:00
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2007-05-21 03:34:53 +04:00
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require Exporter;
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2008-09-23 20:14:01 +04:00
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our @EXPORT_OK = qw(
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quotequote min max trim htmlspecialchars strip_tags strip_unsafe_tags
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file_get_contents dbi_hacks ar1el filemd5 mysql_quote updaterow_hashref
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2008-12-01 02:31:02 +03:00
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insertall_hashref deleteall_hashref dumper_no_lf str2time callif urandom
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2009-01-12 03:18:51 +03:00
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normalize_url utf8on
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2008-09-23 20:14:01 +04:00
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);
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our %EXPORT_TAGS = (all => [ @EXPORT_OK ]);
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2008-02-13 04:18:50 +03:00
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2008-09-23 20:14:01 +04:00
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our $allowed_html = [qw/
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div span a b i u p h\d+ strike strong small big blink center ol pre sub
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sup font br table tr td th tbody tfoot thead tt ul li em img marquee
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/];
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2007-05-21 03:34:53 +04:00
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2009-01-03 03:46:01 +03:00
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our @DATE_INIT = ("Language=Russian", "DateFormat=non-US");
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2009-01-12 03:18:51 +03:00
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my $uri_escape_original;
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2008-10-13 02:49:29 +04:00
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# Exporter-ский импорт + подмена функции в DBI
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2008-09-06 02:38:55 +04:00
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sub import
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{
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2009-01-02 17:18:57 +03:00
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my @args = @_;
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2009-01-12 03:18:51 +03:00
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my $dbi_hacks = 0;
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my $uri_escape_hacks = 0;
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2009-01-02 17:18:57 +03:00
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foreach (@args)
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2008-09-06 02:38:55 +04:00
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{
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2009-01-12 03:18:51 +03:00
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if ($_ eq 'dbi_hacks')
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2008-09-06 02:38:55 +04:00
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{
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2009-01-12 03:18:51 +03:00
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$_ = '!dbi_hacks';
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$dbi_hacks = 1;
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2008-09-06 02:38:55 +04:00
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}
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2009-01-12 03:18:51 +03:00
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elsif ($_ eq 'uri_escape_hacks')
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2008-09-06 02:38:55 +04:00
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{
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2009-01-12 03:18:51 +03:00
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$_ = '!uri_escape_hacks';
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$uri_escape_hacks = 1;
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2007-05-21 03:34:53 +04:00
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}
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}
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2009-01-12 03:18:51 +03:00
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if ($dbi_hacks)
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{
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*DBI::_::st::fetchall_hashref = *VMX::Common::fetchall_hashref;
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*DBI::st::fetchall_hashref = *VMX::Common::fetchall_hashref;
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$DBI::DBI_methods{st}{fetchall_hashref} = { U =>[1,2,'[ $key_field ]'] };
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$DBI::DBI_methods{db}{selectall_hashref} = { U =>[2,0,'$statement [, $keyfield [, \%attr [, @bind_params ] ] ]'], O=>0x2000 };
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}
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if ($uri_escape_hacks)
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{
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$uri_escape_original = \&URI::Escape::uri_escape;
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*URI::Escape::uri_escape = *VMX::Common::uri_escape;
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}
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$Exporter::ExportLevel = 1;
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2009-01-02 17:18:57 +03:00
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my $r = Exporter::import(@args);
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2009-01-12 03:18:51 +03:00
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$Exporter::ExportLevel = 0;
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return $r;
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2007-05-21 03:34:53 +04:00
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}
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2008-10-13 02:49:29 +04:00
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# Функция возвращает минимальное из значений
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# $r = min (@list)
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2008-09-06 02:38:55 +04:00
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sub min
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{
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2007-05-21 03:34:53 +04:00
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return undef if (@_ < 1);
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my $r = shift;
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foreach (@_) { $r = $_ if $r > $_; }
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return $r;
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}
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2008-10-13 02:49:29 +04:00
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# Функция возвращает максимальное из значений
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# $r = max (@list)
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2008-09-06 02:38:55 +04:00
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sub max
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{
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2007-05-30 19:40:07 +04:00
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return undef if (@_ < 1);
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my $r = shift;
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foreach (@_) { $r = $_ if $r < $_; }
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return $r;
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}
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2008-10-13 02:49:29 +04:00
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# ar1el($a) - аналог ($a || [])->[0], только ещё проверяет, что $a есть arrayref
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2008-09-06 02:38:55 +04:00
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sub ar1el
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{
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2009-01-12 03:18:51 +03:00
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return undef unless 'ARRAY' eq ref $_[0];
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return shift @{$_[0]};
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2007-05-25 03:13:23 +04:00
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}
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2008-10-13 02:49:29 +04:00
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# Функция обрезает пробельные символы в начале и конце строки
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# trim ($r) in-place
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2008-09-06 02:38:55 +04:00
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sub trim
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{
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2008-10-19 23:55:28 +04:00
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local $_ = $_[0];
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2008-09-07 01:18:12 +04:00
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s/^\s+//so;
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s/\s+$//so;
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$_;
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2007-05-21 03:34:53 +04:00
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}
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2008-10-13 02:49:29 +04:00
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# аналог HTML::Entities::encode_entities
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# $str = htmlspecialchars ($str)
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2008-09-06 02:38:55 +04:00
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sub htmlspecialchars
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{
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2008-10-19 23:55:28 +04:00
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local $_ = $_[0];
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2008-09-06 02:38:55 +04:00
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s/&/'/gso;
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s/</</gso;
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s/>/>/gso;
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s/\"/"/gso;
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s/\'/'/gso;
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2007-05-21 03:34:53 +04:00
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return $_;
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}
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2008-10-13 02:49:29 +04:00
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# удаление тегов из строки, кроме заданных
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# $str = strip_tags ($str)
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2008-09-06 02:38:55 +04:00
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sub strip_tags
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{
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2008-10-19 23:55:28 +04:00
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local $_ = shift;
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2009-01-06 01:39:48 +03:00
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my $ex = join '|', @{(shift || [])};
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$ex = "(?!/?($ex))" if $ex;
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s/<\/?$ex([a-z0-9_\-]+)[^<>]*>//gis;
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2007-05-21 03:34:53 +04:00
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return $_;
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}
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2008-10-13 02:49:29 +04:00
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# удаление небезопасных HTML тегов (всех кроме our $allowed_html)
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2008-09-06 02:38:55 +04:00
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sub strip_unsafe_tags
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{
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2008-09-23 20:14:01 +04:00
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strip_tags($_[0], $allowed_html);
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2008-09-06 02:38:55 +04:00
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}
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2008-10-13 02:49:29 +04:00
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# аналог File::Slurp
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# $contents = file_get_contents ($filename)
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2008-09-06 02:38:55 +04:00
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sub file_get_contents
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{
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2007-05-21 03:34:53 +04:00
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my ($tmp, $res);
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open ($tmp, '<'.$_[0]);
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2008-09-06 02:38:55 +04:00
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if ($tmp)
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{
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2009-01-12 03:18:51 +03:00
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local $/ = undef;
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2007-05-25 22:14:24 +04:00
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$res = <$tmp>;
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2007-05-21 03:34:53 +04:00
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close ($tmp);
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}
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return $res;
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}
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2008-10-13 02:49:29 +04:00
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# изменённый вариант функции DBI::_::st::fetchall_hashref
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2008-10-19 00:56:22 +04:00
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# первая вещь - аналог fetchall_arrayref({Slice=>{}}), т.е. просто возвращает
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# массив хешей при передаче в качестве $key_field ссылки на пустой массив или undef.
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# вторая вещь - о которой все мы, пользователи MySQL, давно мечтали - возможность
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# сделать SELECT t1.*, t2.*, t3.* и при этом успешно разделить поля таблиц,
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# распределив их по отдельным хешам.
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# весь смысл в том, что при передаче в качестве $key_field хеша делает из каждой
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2009-01-02 17:18:57 +03:00
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# строчки вложенный hashref или arrayref, а колонки из результата запроса разделяет
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# по $key_field->{Separator} или '_' по умолчанию.
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2008-10-19 00:56:22 +04:00
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# то есть например $dbh->selectall_hashref(
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# "SELECT t1.*, 0 AS `_`, t2.* FROM t1 JOIN t2 USING (join_field)",
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2009-01-02 17:18:57 +03:00
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# { Separator => '_', Multi => [ 't1', 't2' ] }, {}
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2008-10-19 00:56:22 +04:00
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# ) вернёт ссылку на массив хешрефов вида { t1 => { ... }, t2 => { ... } },
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2009-01-02 17:18:57 +03:00
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# а если в качестве Multi передать просто скаляр, являющийся истиной (напр. 1),
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# то вернёт ссылку на массив массивов вида [ { ... }, { ... } ].
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2008-10-19 00:56:22 +04:00
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# т.е. поля t1 и t2 будут разделены по подхешам даже в случае, если в t1 и t2
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# существуют поля с одинаковыми именами
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# кроме того, кэширует все свои вспомогательные массивы в объекте запроса
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# для дополнительной оптимальности
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2008-09-06 02:38:55 +04:00
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sub fetchall_hashref
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{
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2007-05-21 03:34:53 +04:00
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my ($sth, $key_field) = @_;
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2008-10-19 00:56:22 +04:00
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return multifetchall_hashref($sth, $key_field) if ref($key_field) eq 'HASH';
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2007-05-21 03:34:53 +04:00
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my $hash_key_name = $sth->{FetchHashKeyName} || 'NAME';
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my $names_hash = $sth->FETCH("${hash_key_name}_hash");
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my @key_fields = (ref $key_field) ? @$key_field : $key_field ? ($key_field) : ();
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2008-10-19 00:56:22 +04:00
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my $cachename = "__cache_key_fields_".join "_", @key_fields;
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my $key_indexes = $sth->{$cachename};
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2007-05-21 03:34:53 +04:00
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my $num_of_fields = $sth->FETCH('NUM_OF_FIELDS');
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2008-10-19 00:56:22 +04:00
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unless ($key_indexes)
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2008-09-06 02:38:55 +04:00
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{
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2008-10-19 00:56:22 +04:00
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$key_indexes = [];
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foreach (@key_fields)
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{
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my $index = $names_hash->{$_}; # perl index not column
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$index = $_ - 1 if !defined $index && DBI::looks_like_number($_) && $_ >= 1 && $_ <= $num_of_fields;
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return $sth->set_err(1, "Field '$_' does not exist (not one of @{[keys %$names_hash]})")
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unless defined $index;
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push @$key_indexes, $index;
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}
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$sth->{$cachename} = $key_indexes;
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2007-05-21 03:34:53 +04:00
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}
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my $rows = {};
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2008-10-19 00:56:22 +04:00
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$rows = [] unless scalar @key_fields;
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2007-05-21 03:34:53 +04:00
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my $NAME = $sth->FETCH($hash_key_name);
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my @row = (undef) x $num_of_fields;
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$sth->bind_columns(\(@row)) if @row;
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2008-10-19 00:56:22 +04:00
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my $ref;
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if (scalar @key_fields)
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{
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while ($sth->fetch)
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{
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$ref = $rows;
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$ref = $ref->{$row[$_]} ||= {} for @$key_indexes;
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@$ref{@$NAME} = @row;
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}
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}
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else
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{
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while ($sth->fetch)
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{
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push @$rows, $ref = {};
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@$ref{@$NAME} = @row;
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}
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}
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return $rows;
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}
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# вот здесь-то и реализовано вертикальное разбиение результата
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sub multifetchall_hashref
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{
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my ($sth, $key_field) = @_;
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2009-01-02 17:18:57 +03:00
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$key_field = [] unless
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ref($key_field->{Multi}) eq 'ARRAY' ||
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$key_field->{Multi} && !ref $key_field->{Multi};
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2008-10-19 00:56:22 +04:00
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return fetchall_hashref($sth, $key_field) if ref($key_field) ne 'HASH';
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my $NAME = $sth->FETCH($sth->{FetchHashKeyName} || 'NAME');
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my $num_of_fields = $sth->FETCH('NUM_OF_FIELDS');
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my $cachename = "__cache_multi_key_fields";
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my ($nh, $ni, $i, $hs);
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unless ($sth->{$cachename})
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2008-09-06 02:38:55 +04:00
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{
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2008-10-19 00:56:22 +04:00
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# массивы индексов и имён ещё не построены, построим
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my $split = $key_field->{Separator} || '_';
|
|
|
|
|
$nh = [[]];
|
|
|
|
|
$ni = [[]];
|
|
|
|
|
$i = 0;
|
|
|
|
|
for my $k (0..$#$NAME)
|
2008-09-06 02:38:55 +04:00
|
|
|
|
{
|
2008-10-19 00:56:22 +04:00
|
|
|
|
if ($NAME->[$k] eq $split)
|
|
|
|
|
{
|
|
|
|
|
$i++;
|
|
|
|
|
$nh->[$i] = [];
|
|
|
|
|
$ni->[$i] = [];
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
push @{$nh->[$i]}, $NAME->[$k];
|
|
|
|
|
push @{$ni->[$i]}, $k;
|
|
|
|
|
}
|
2008-09-06 02:38:55 +04:00
|
|
|
|
}
|
2008-10-19 00:56:22 +04:00
|
|
|
|
$sth->{$cachename} = [ $nh, $ni ];
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
($nh, $ni) = @{$sth->{$cachename}};
|
|
|
|
|
}
|
|
|
|
|
my $rows = [];
|
|
|
|
|
my @row = (undef) x $num_of_fields;
|
|
|
|
|
$sth->bind_columns(\(@row)) if @row;
|
|
|
|
|
$hs = $key_field->{Multi};
|
|
|
|
|
my $ref;
|
2009-01-02 17:18:57 +03:00
|
|
|
|
if (ref $hs) # если передана ссылка на массив - это имена в хеше
|
2008-10-19 00:56:22 +04:00
|
|
|
|
{
|
2009-01-02 17:18:57 +03:00
|
|
|
|
while ($sth->fetch)
|
2008-09-06 02:38:55 +04:00
|
|
|
|
{
|
2009-01-02 17:18:57 +03:00
|
|
|
|
push @$rows, $ref = {};
|
|
|
|
|
for $i (0..$#$hs)
|
|
|
|
|
{
|
|
|
|
|
$ref->{$hs->[$i]} = {};
|
|
|
|
|
@{$ref->{$hs->[$i]}}{@{$nh->[$i]}} = @row[@{$ni->[$i]}];
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else # иначе это будут вложенные массивы
|
|
|
|
|
{
|
|
|
|
|
while ($sth->fetch)
|
|
|
|
|
{
|
|
|
|
|
push @$rows, $ref = [];
|
|
|
|
|
for $i (0..$#$ni)
|
|
|
|
|
{
|
|
|
|
|
$ref->[$i] = {};
|
|
|
|
|
@{$ref->[$i]}{@{$nh->[$i]}} = @row[@{$ni->[$i]}];
|
|
|
|
|
}
|
2007-05-21 03:34:53 +04:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return $rows;
|
|
|
|
|
}
|
|
|
|
|
|
2008-10-13 02:49:29 +04:00
|
|
|
|
# Обновить все строки, у которых значения полей с названиями ключей %$key
|
|
|
|
|
# равны значениям %$key, установив в них поля с названиями ключей %$row
|
|
|
|
|
# значениям %$row
|
2008-09-06 02:38:55 +04:00
|
|
|
|
sub updaterow_hashref
|
|
|
|
|
{
|
2008-02-13 04:18:50 +03:00
|
|
|
|
my ($dbh, $table, $row, $key) = @_;
|
|
|
|
|
return 0 unless
|
2008-09-23 20:14:01 +04:00
|
|
|
|
$dbh && $table &&
|
2008-02-13 04:18:50 +03:00
|
|
|
|
$row && ref($row) eq 'HASH' && %$row &&
|
|
|
|
|
$key && ref($key) eq 'HASH' && %$key;
|
|
|
|
|
my @f = keys %$row;
|
|
|
|
|
my @k = keys %$key;
|
|
|
|
|
my $sql =
|
2008-09-23 20:14:01 +04:00
|
|
|
|
'UPDATE `'.$table.'` SET '.
|
2008-02-13 04:18:50 +03:00
|
|
|
|
join(', ', map { "`$_`=?" } @f).
|
2008-03-12 03:52:05 +03:00
|
|
|
|
' WHERE '.join(' AND ', map { "`$_`=?" } @k);
|
2008-02-13 04:18:50 +03:00
|
|
|
|
my @bind = (@$row{@f}, @$key{@k});
|
|
|
|
|
return $dbh->do($sql, {}, @bind);
|
|
|
|
|
}
|
|
|
|
|
|
2008-10-29 23:45:54 +03:00
|
|
|
|
# Удалить все строки, у которых значения полей с названиями ключей %$key
|
|
|
|
|
# равны значениям %$key
|
|
|
|
|
sub deleteall_hashref
|
|
|
|
|
{
|
|
|
|
|
my ($dbh, $table, $key) = @_;
|
|
|
|
|
return 0 unless $dbh && $table &&
|
|
|
|
|
$key && ref($key) eq 'HASH' && %$key;
|
|
|
|
|
my @k = keys %$key;
|
|
|
|
|
my $sql = "DELETE FROM `$table` WHERE ".join(" AND ", map { "`$_`=?" } @k);
|
|
|
|
|
my @bind = (@$key{@k});
|
|
|
|
|
return $dbh->do($sql, {}, @bind);
|
|
|
|
|
}
|
|
|
|
|
|
2008-10-13 02:49:29 +04:00
|
|
|
|
# Вставить набор записей $rows = [{},{},{},...] в таблицу $table
|
|
|
|
|
# Возможно после этого дополнить каждую запись $reselect полями (напр. '*'),
|
|
|
|
|
# сделав дополнительный запрос выборки. Для этого требуются ещё поля
|
|
|
|
|
# `ji` INT DEFAULT NULL и `jin` INT DEFAULT NULL, и индекс по ним.
|
2008-08-15 21:31:24 +04:00
|
|
|
|
sub insertall_hashref
|
|
|
|
|
{
|
2008-09-05 20:46:22 +04:00
|
|
|
|
my ($dbh, $table, $rows, $reselect, $replace) = @_;
|
2008-02-13 04:18:50 +03:00
|
|
|
|
return 0 unless
|
2008-09-23 20:14:01 +04:00
|
|
|
|
$dbh && $table &&
|
2008-02-13 04:18:50 +03:00
|
|
|
|
$rows && ref($rows) eq 'ARRAY' && @$rows;
|
2008-09-02 17:30:08 +04:00
|
|
|
|
my $conn_id = undef;
|
2008-08-15 21:31:24 +04:00
|
|
|
|
if ($reselect)
|
|
|
|
|
{
|
2008-02-13 04:18:50 +03:00
|
|
|
|
my $i = 0;
|
2008-09-02 17:30:08 +04:00
|
|
|
|
$conn_id = $dbh->{mysql_connection_id};
|
|
|
|
|
@$_{'ji','jin'} = ($conn_id, ++$i) foreach @$rows;
|
2008-02-13 04:18:50 +03:00
|
|
|
|
}
|
|
|
|
|
my @f = keys %{$rows->[0]};
|
2008-10-19 13:59:15 +04:00
|
|
|
|
my $sql = ($replace ? 'REPLACE' : 'INSERT').
|
2008-09-23 20:14:01 +04:00
|
|
|
|
' INTO `'.$table.'` (`'.join('`,`',@f).'`) VALUES '.
|
2008-02-13 04:18:50 +03:00
|
|
|
|
join(',',('('.(join(',', ('?') x scalar(@f))).')') x scalar(@$rows));
|
|
|
|
|
my @bind = map { @$_{@f} } @$rows;
|
|
|
|
|
my $st = $dbh->do($sql, {}, @bind);
|
|
|
|
|
return $st if !$st || !$reselect;
|
2008-08-15 21:31:24 +04:00
|
|
|
|
if (ref($reselect) eq 'ARRAY')
|
|
|
|
|
{
|
2008-02-13 04:18:50 +03:00
|
|
|
|
$reselect = '`'.join('`,`',@$reselect).'`';
|
2008-08-15 21:31:24 +04:00
|
|
|
|
}
|
|
|
|
|
elsif ($reselect ne '*')
|
|
|
|
|
{
|
2008-02-13 04:18:50 +03:00
|
|
|
|
$reselect = "`$reselect`";
|
|
|
|
|
}
|
2008-02-14 03:39:17 +03:00
|
|
|
|
# осуществляем reselect данных
|
2008-09-23 20:14:01 +04:00
|
|
|
|
$sql = "SELECT $reselect FROM `$table` WHERE `ji`=? ORDER BY `jin` ASC";
|
2008-09-02 17:30:08 +04:00
|
|
|
|
@bind = ($conn_id);
|
2008-02-14 03:39:17 +03:00
|
|
|
|
my $resel = $dbh->selectall_hashref($sql, [], {}, @bind);
|
2008-08-15 21:31:24 +04:00
|
|
|
|
for (my $i = 0; $i < @$resel; $i++)
|
|
|
|
|
{
|
2008-02-14 03:39:17 +03:00
|
|
|
|
$rows->[$i]->{$_} = $resel->[$i]->{$_} for keys %{$resel->[$i]};
|
|
|
|
|
}
|
2008-09-23 20:14:01 +04:00
|
|
|
|
$sql = "UPDATE `$table` SET `ji`=NULL, `jin`=NULL WHERE `ji`=?";
|
2008-02-14 03:39:17 +03:00
|
|
|
|
$dbh->do($sql, {}, @bind);
|
|
|
|
|
return $st;
|
2008-02-13 04:18:50 +03:00
|
|
|
|
}
|
|
|
|
|
|
2008-10-13 02:49:29 +04:00
|
|
|
|
# вычисление MD5 хеша от файла
|
2008-08-15 21:31:24 +04:00
|
|
|
|
sub filemd5
|
|
|
|
|
{
|
2007-05-29 19:40:59 +04:00
|
|
|
|
my ($file) = @_;
|
|
|
|
|
my $f;
|
|
|
|
|
my $r;
|
2008-08-15 21:31:24 +04:00
|
|
|
|
if (open $f, "<$file")
|
|
|
|
|
{
|
2007-05-29 19:40:59 +04:00
|
|
|
|
my $ctx = Digest::MD5->new;
|
|
|
|
|
$ctx->addfile($f);
|
|
|
|
|
$r = $ctx->hexdigest;
|
|
|
|
|
close $f;
|
|
|
|
|
}
|
|
|
|
|
return $r;
|
|
|
|
|
}
|
|
|
|
|
|
2008-10-13 02:49:29 +04:00
|
|
|
|
# тоже <ни фига не нужный велосипед>, экранирование символов для MySQL,
|
|
|
|
|
# да ещё и несколько кривое
|
2008-08-15 21:31:24 +04:00
|
|
|
|
sub mysql_quote
|
|
|
|
|
{
|
2009-01-12 03:18:51 +03:00
|
|
|
|
my ($a) = @_;
|
|
|
|
|
$a =~ s/\'/\'\'/gso;
|
2008-02-13 04:18:50 +03:00
|
|
|
|
$a =~ s/\\/\\\\/gso;
|
2009-01-12 03:18:51 +03:00
|
|
|
|
return "'$a'";
|
2007-06-07 03:09:26 +04:00
|
|
|
|
}
|
|
|
|
|
|
2008-10-13 02:49:29 +04:00
|
|
|
|
# экранирование кавычек
|
2008-08-15 21:31:24 +04:00
|
|
|
|
sub quotequote
|
|
|
|
|
{
|
|
|
|
|
my ($a) = @_;
|
|
|
|
|
$a =~ s/\'|\"/\\$&/gso;
|
|
|
|
|
return $a;
|
|
|
|
|
}
|
|
|
|
|
|
2008-10-13 02:49:29 +04:00
|
|
|
|
# Dumper без переводов строки
|
2008-08-15 21:31:24 +04:00
|
|
|
|
sub dumper_no_lf
|
|
|
|
|
{
|
2008-03-13 17:04:57 +03:00
|
|
|
|
my $r = Data::Dumper::Dumper (@_);
|
|
|
|
|
$r =~ s/\s+/ /giso;
|
|
|
|
|
return $r;
|
|
|
|
|
}
|
|
|
|
|
|
2008-10-17 02:44:03 +04:00
|
|
|
|
# str2time, принимающий формат даты вида DD.MM.YYYY
|
2009-01-03 03:46:01 +03:00
|
|
|
|
my $init;
|
2008-10-17 02:44:03 +04:00
|
|
|
|
sub str2time
|
|
|
|
|
{
|
|
|
|
|
my ($str) = @_;
|
2009-01-03 03:46:01 +03:00
|
|
|
|
my $time;
|
2009-01-03 14:56:08 +03:00
|
|
|
|
my $codeset = langinfo(CODESET());
|
2009-01-03 03:46:01 +03:00
|
|
|
|
Date_Init(@DATE_INIT), $init = 1 unless $init;
|
2009-01-03 14:56:08 +03:00
|
|
|
|
Encode::_utf8_on($str) if $codeset =~ /utf-?8/iso;
|
|
|
|
|
$str = lc $str;
|
2009-01-03 03:46:01 +03:00
|
|
|
|
$time = $str;
|
|
|
|
|
Encode::_utf8_off($time);
|
2009-01-03 14:56:08 +03:00
|
|
|
|
Encode::from_to($time, $codeset, "koi8-r");
|
2009-01-03 03:46:01 +03:00
|
|
|
|
$time = UnixDate(ParseDate($time),"%s");
|
|
|
|
|
return $time if defined $time;
|
|
|
|
|
$time = $str;
|
|
|
|
|
$time =~ s/(\d{2})\.(\d{2})\.(\d{4})/$2\/$1\/$3/gso;
|
|
|
|
|
$time = Date::Parse::str2time($time);
|
|
|
|
|
return $time;
|
2008-10-17 02:44:03 +04:00
|
|
|
|
}
|
|
|
|
|
|
2008-11-01 03:07:44 +03:00
|
|
|
|
# если значение - вернуть значение, если coderef - вызвать и вернуть значение
|
|
|
|
|
sub callif
|
|
|
|
|
{
|
|
|
|
|
my $sub = shift;
|
|
|
|
|
if (ref($sub) eq 'CODE')
|
|
|
|
|
{
|
|
|
|
|
return &$sub(@_);
|
|
|
|
|
}
|
|
|
|
|
elsif ($sub)
|
|
|
|
|
{
|
|
|
|
|
return $sub;
|
|
|
|
|
}
|
|
|
|
|
return wantarray ? () : undef;
|
|
|
|
|
}
|
|
|
|
|
|
2008-12-01 02:31:02 +03:00
|
|
|
|
# чтение N байт из urandom или rand() в случае его отсутствия
|
|
|
|
|
sub urandom
|
|
|
|
|
{
|
|
|
|
|
my ($bs) = @_;
|
|
|
|
|
return undef unless $bs && $bs > 0;
|
|
|
|
|
my ($fd, $data);
|
|
|
|
|
if (open $fd, "</dev/urandom")
|
|
|
|
|
{
|
|
|
|
|
read $fd, $data, $bs;
|
|
|
|
|
close $fd;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
$data .= pack("C",int(rand(256))) for 1..$bs;
|
|
|
|
|
}
|
|
|
|
|
return $data;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
# Нормализация одной url относительно другой
|
|
|
|
|
sub normalize_url ($$)
|
|
|
|
|
{
|
|
|
|
|
my ($base, $url) = @_;
|
|
|
|
|
return $url if $url =~ m%^[a-z]+://%iso;
|
|
|
|
|
if ($url =~ m%^/%so)
|
|
|
|
|
{
|
|
|
|
|
$base = $1 if $base =~ m%^([a-z]+://[^/]*)%so;
|
|
|
|
|
}
|
|
|
|
|
elsif ($url =~ /^\?/so)
|
|
|
|
|
{
|
|
|
|
|
$base = $& if $base =~ m/^[^\?]*/so;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
$base = $` if $base =~ m%[^\/]*$%so;
|
|
|
|
|
}
|
|
|
|
|
return $base.$url;
|
|
|
|
|
}
|
|
|
|
|
|
2009-01-12 03:18:51 +03:00
|
|
|
|
# uri_escape, автоматически дёргающий uri_escape_utf8 если текст is_utf8
|
|
|
|
|
sub uri_escape
|
|
|
|
|
{
|
|
|
|
|
if (Encode::is_utf8($_[0]))
|
|
|
|
|
{
|
|
|
|
|
my $text = shift;
|
|
|
|
|
Encode::_utf8_off($text);
|
|
|
|
|
return &$uri_escape_original($text, @_);
|
|
|
|
|
}
|
|
|
|
|
return &$uri_escape_original(@_);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
# utf8_on для скаляра
|
|
|
|
|
sub utf8on { Encode::_utf8_on($_[0]); return $_[0] }
|
|
|
|
|
|
2007-05-21 03:34:53 +04:00
|
|
|
|
1;
|
2008-09-06 02:38:55 +04:00
|
|
|
|
__END__
|