annotate Lib/IMPL/Web/AutoLocator.pm @ 246:2746a8e5a6c4

Fixed regressions in DOM due previous refactorings Fixed ObjectToDOM transformation to handle a schema with mixed node types
author sergey
date Tue, 30 Oct 2012 01:17:31 +0400
parents a02b110da931
children 32aceba4ee6d
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1 package IMPL::Web::AutoLocator;
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2 use strict;
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3
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4 use overload '""' => 'toString';
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5
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6 use IMPL::Const qw(:prop);
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7 use IMPL::lang qw(:hash);
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8 use IMPL::clone qw(clone);
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9 use URI;
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10 use URI::Escape;
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11 use IMPL::declare {
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12 require => {
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13 Exception => 'IMPL::Exception',
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14 ArgumentException => '-IMPL::InvalidArgumentException'
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15 },
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16 base => [
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17 'IMPL::Object' => undef,
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18 'IMPL::Object::Autofill' => '@_',
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19 'IMPL::Object::Serializable' => '@_'
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20 ],
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21 props => [
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22 base => PROP_RO,
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23 view => PROP_RW,
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24 query => PROP_RW,
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25 hash => PROP_RW
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26 ]
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27 };
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28
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29 sub Clone {
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30 my $this = shift;
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31
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32 return clone($this);
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33 }
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34
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35 sub Child {
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36 my $this = shift;
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37 my $child = shift or die ArgumentException->new("a child resource identifier is required");
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38 die ArgumentException->new("a child resource can't be a reference") if ref $child;
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39
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40 # safe
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41 $child = uri_escape($child);
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42
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43 my %args;
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44
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45 $args{base} = $this->base =~ /\/$/ ? $this->base . $child : $this->base . '/' . $child;
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46 $args{view} = $this->view if $this->view;
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47 $args{hash} = $this->hash if $this->hash;
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48
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49 if (@_) {
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50 my $query = shift;
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51
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52 $args{query} = ref $query eq 'HASH' ? hashMerge($this->query,$query) : $query;
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53 }
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54
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55 return $this->new(%args);
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56 }
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57
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58 sub SetView {
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59 my ($this,$newView) = @_;
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60
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61 $this->view($newView);
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62
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63 return $this;
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64 }
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65
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66 sub url {
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67 my ($this) = @_;
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68
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69 my $url = URI->new($this->view ? $this->base . "." . $this->view : $this->base);
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70 $url->query_form($this->query);
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71 $url->fragment($this->hash);
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72
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73 return $url;
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74 }
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75
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76 sub toString {
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77 shift->url->as_string();
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78 }
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79
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80 sub AUTOLOAD {
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81 our $AUTOLOAD;
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82
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83 (my $method) = ($AUTOLOAD =~ m/(\w+)$/);
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84
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85 return if $method eq 'DESTROY';
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86
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87 my $this = shift;
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88 return $this->Child($method,@_);
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89 }
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92
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93 1;
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94
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95 __END__
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96
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97 =head1 NAME
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98
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99 C<IMPL::Web::AutoLocator> - Обертка вокруг адреса ресурса.
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100
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101 =head1 SYNOPSIS
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102
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103 =begin code
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104
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105 use IMPL::require {
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106 Locator => 'IMPL::Web::AutoLocator'
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107 };
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108
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109 my $bugTracker = Locator->new(base => "http://myhost.org/bugzilla")->SetView("cgi");
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110
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111 my $bug = $bugTracker->show_bug({id = 1});
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112
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113 my $wikiPages = Locator->new(base => "http://myhost.org/wiki/bin/view");
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114
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115 my $page = $wiki->Main->HowTo;
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116
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117 my $images = Locator->new(base => "http://static.myhost.org/images", view => "png");
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118
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119 my $editIco = $images->icons->small->edit;
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120
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121 =end code
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122
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123 =head1 DESCRIPTION
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124
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125 Для удобстав навигации по ресурсам, полностью отражает классическую структуру
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126 иерархически организованных ресурсов. позволяет гибко работать с параметрами
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127 запроса и хешем. Для постоты чтения реализует метод C<AUTOLOAD> для доступа
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128 к дочерним ресурсам.
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129
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130 =head1 MEMBERS
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131
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132 =head2 C<CTOR(%args)>
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133
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134 Создает новый объект расположение. Позволяет задать путь, расширение, параметры
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135 запроса и фрагмент ресурса.
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136
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137 =over
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138
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139 =item * C<base>
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140
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141 Строка с базовым адресом для дочерних ресурсов.
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142
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143 =item * C<view>
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144
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145 Задает суфикс, обозначающий представление ресурса, аналогично расширению у
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146 файлов. Данный суффикс может использоваться контроллером для выбора
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147 представления ресурса.
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148
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149 =item * C<query>
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150
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151 Ссылка на хеш с параметрами запроса
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152
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153 =item * C<hash>
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154
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155 Часть C<uri> обозначающая фрагмент документа (все, что идет после символа C<#>).
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156
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157 =back
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158
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159 =head2 C<Child($child[,$query])>
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160
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161 Получает расположение дочернего ресурса. При этом cоздается новый объект адреса ресурса.
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162
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163 =head2 C<SetView($view)>
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164
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165 Позволяет указать представление (расширение) у текущего адреса ресурса. Изменяет
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166 представление и возвращает измененный адрес ресурса.
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167
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168 =head2 C<[get]base>
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169
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170 Базовый адрес, относительно которого будут получены дочерние ресурсы.
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171
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172 =head2 C<[get,set]view>
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173
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174 Представление для ресурсов, аналогично расширению у файлов.
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175
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176 =head2 C<[get,set]query>
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177
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178 Ссылка на хеш с параметрами для C<GET> запроса.
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179
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180 =head2 C<[get,set]hash>
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181
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182 Часть адреса ресурса, отвечающая за фрагмент.
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183
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184 =head2 C<[get]url>
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185
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186 Объект C<URI> для текущего адреса.
211
2b9b55cfb79b Completed IMPL::Web::AutoLocator, added tests
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187
2b9b55cfb79b Completed IMPL::Web::AutoLocator, added tests
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188 =head2 C<AUTLOAD>
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189
229
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190 Перенаправляет вызовы методов в метод C<Child> передавая первым параметром имя метода.
212
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191
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192 =cut
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193