annotate Lib/IMPL/Web/QueryHandler/PageFormat.pm @ 162:39c8788eded5

corrected PATH_INFO handling
author wizard
date Wed, 29 Dec 2010 16:55:24 +0300
parents 3f09584bf189
children 4267a2ac3d46
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1 package IMPL::Web::QueryHandler::PageFormat;
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2 use base qw(IMPL::Web::QueryHandler IMPL::Object::Autofill);
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3 use strict;
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4
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5 __PACKAGE__->PassThroughArgs;
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6
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7 use JSON;
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8 use IMPL::Class::Property;
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9 use IMPL::Web::TT::Document;
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10 use Template::Plugin::URL;
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11 use IMPL::Security::Context;
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12 use File::Spec;
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13 use HTML::TreeBuilder;
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14 use URI;
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15 use Error qw(:try);
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16
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17 $Template::Plugin::URL::JOINT = '&';
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18
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19 BEGIN {
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20 public property templatesCharset => prop_all;
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21 public property templatesBase => prop_all;
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22 public property includes => prop_all | prop_list;
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23 public property pathinfoPrefix => prop_all;
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24 public property cache => prop_all;
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25 public property preprocess => prop_all;
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26 public property formatOutput => prop_all;
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27 public property template => prop_all;
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28 }
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29
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30 sub CTOR {
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31 my ($this) = @_;
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32
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33 $this->templatesCharset('utf-8') unless $this->templatesCharset;
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34 $this->cache(File::Spec->rel2abs($this->cache)) if $this->cache;
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35 $this->templatesBase(File::Spec->rel2abs($this->templatesBase)) if $this->templatesBase;
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36 }
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37
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38 sub Process {
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39 my ($this,$action,$nextHandler) = @_;
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40
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41 my $doc = new IMPL::Web::TT::Document(cache => $this->cache, preprocess => $this->preprocess);
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42
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43 try {
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44
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45 $this->templatesBase($ENV{DOCUMENT_ROOT}) unless $this->templatesBase;
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46
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47 my ($requestUri) = split /\?/, $ENV{REQUEST_URI};
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48
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49 my $pathInfo;
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50 my @root = ('');
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51 my @base;
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52
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53 if ( $requestUri eq $ENV{SCRIPT_NAME}.$ENV{PATH_INFO} ) {
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54 # CGI with path info, for example
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55 # /base/cgi-bin/myscript.cgi/path/info
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56 # PATH_INFO will be /path/info
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57 $pathInfo = $ENV{PATH_INFO};
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58 } else {
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59 # usual url, for exmaple
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60 # /base/script.cgi will have PATH_INFO /base/script.cgi
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61 # /base/ will have PATH_INFO /base/index.cgi (if index.cgi is a DirectoryIndex)
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62 $pathInfo = $ENV{PATH_INFO};
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63
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64 if (my $rx = $this->pathinfoPrefix) {
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65 $requestUri =~ s/^($rx)//;
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66 $pathInfo =~ s/^($rx)//;
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67 push @root, grep $_, split /\//, $1 if $1;
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68 }
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69 }
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71 @base = grep $_, split /\//, ($pathInfo ? substr $requestUri,0, -length($pathInfo) : $requestUri);
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72
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73 local $ENV{PATH_INFO} = $pathInfo;
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75 my @path = grep $_, split /\//, ($ENV{PATH_INFO} || '') or die new IMPL::Exception("PATH_INFO is empty and no defaultTarget specified" );
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77 my @pathContainer = @path;
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78 pop @pathContainer;
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79
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80 $doc->LoadFile (
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81 ($this->template || File::Spec->catfile($this->templatesBase,@path)),
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82 $this->templatesCharset,
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83 [$this->templatesBase, $this->includes],
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84 {
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85 result => scalar($nextHandler->()),
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86 action => $action,
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87 app => $action->application,
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88
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89 absoluteUrl => sub { new URI(join ('/', @root, $_[0]) ) },
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90 baseUrl => sub { new URI (join ('/', @root, @base, $_[0]) ) },
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91 relativeUrl => sub { new URI(join ('/', @root, @base, @pathContainer,$_[0]) ) },
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92
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93 user => IMPL::Security::Context->current->principal,
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94 session => IMPL::Security::Context->current,
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95
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96 to_json => \&to_json,
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97 escape_string => sub { $_[0] =~ s/"/"/g; $_[0] },
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98 }
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99 );
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100
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101 $action->response->contentType('text/html');
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102 my $hOut = $action->response->streamBody;
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103 if ($this->formatOutput == 1) {
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104 my $tree = new HTML::TreeBuilder();
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105 try {
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106 $tree->parse_content($doc->Render());
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107 print $hOut $tree->as_HTML('<>&'," ",{});
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108 } finally {
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109 $tree->delete;
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110 };
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111 } elsif ($this->formatOutput() == 2 ) {
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112 (my $data = $doc->Render()) =~ s/\s+/ /g;
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113 print $hOut $data;
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114 } else {
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115 print $hOut $doc->Render();
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116 }
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117 } finally {
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118 $doc->Dispose;
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119 };
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120 }
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121
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122 sub URI::_query::new_params {
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123 my ($this,$params) = @_;
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124
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125 my $clone = $this->clone;
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126 if (ref $params eq 'HASH' ) {
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127 my %newParams = ($clone->query_form , %$params);
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128 $clone->query_form(map { $_, $newParams{$_} } sort keys %newParams );
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129 }
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130 return $clone;
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131 }
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132
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133 1;
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134
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135 __END__
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136
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137 =pod
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138
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139 =head1 NAME
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140
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141 C<IMPL::Web::QueryHandler::PageFormat> - Выдача результатов в виде HTML страницы, построенной из шаблона.
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142
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143 =head1 SYNOPSIS
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144
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145 В файле конфигурации приложения
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146
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147 =begin code xml
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148
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149 <handlersQuery type="IMPL::Object::List">
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150 <item type="IMPL::Web::QueryHandler::PageFormat">
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151 <charsetTemplates>utf-8</charsetTemplates>
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152 </item>
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153 </handlersQuery>
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154
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155 =end code xml
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156
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157 Программно
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158
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159 =begin code
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160
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161 my $app = new IMPL::Web::Application();
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162 $app->handlersQuery->Add(
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163 new IMPL::Web::QueryHandler::PageFormat( charsetTemplates=> 'utf-8' );
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164 );
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165
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166 =end
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167
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168 =head1 DESCRIPTION
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169
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170 Обработчик запроса для веб приложения. Загружает шаблон, путь к котрому берется
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171 из C<ENV{PATH_INFO}> относительно пути из свойства C<templatesBase>.
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172
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173 Наследуется от C<IMPL::Web::QueryHandler> для реализации функционала
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174 обработчика запроса и переопределяет метод C<Process>.
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175
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176 C<Serializable>
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177
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178 =head1 MEMBERS
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179
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180 =over
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181
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182 =item C<CTOR(%props)>
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183
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184 Создает новый экземпляр и заполняет свойства.
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185
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186 =item C<[get,set] templatesCharset>
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187
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188 Кодировка шаблонов. По умолчанию utf-8.
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189
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190 =item C<[get,set] templatesBase>
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191
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192 Каталог относительно которого ищется шаблон.
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193
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194 =item C<[override] Process($action,$nextHandler)>
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195
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196 Метод, переопределяющий C<IMPL::Web::QueryHandler->Process> и которому передается управление
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197 для выполнения действий.
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198
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199 =back
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200
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201 =cut