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use strict; |
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package Net::Delicious::Export::Post::XBEL; |
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use base qw (Net::Delicious::Export); |
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# $Id: XBEL.pm,v 1.10 2005/12/11 19:17:00 asc Exp $ |
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=head1 NAME |
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Net::Delicious::Export::Post::XBEL - export your del.icio.us posts as |
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XBEL SAX events |
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=head1 SYNOPSIS |
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use Net::Delicious; |
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use Net::Delicious::Export::Post::XBEL; |
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use IO::AtomicFile; |
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use XML::SAX::Writer; |
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my $fh = IO::AtomicFile->open("/my/posts.xbel","w"); |
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my $writer = XML::SAX::Writer->new(Output=>$fh); |
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my $del = Net::Delicious->new({...}); |
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my $exp = Net::Delicious::Export::Post::XBEL->new(Handler=>$writer); |
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my $it = $del->posts(); |
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$exp->by_date($it); |
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=head1 DESCRIPTION |
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Export your del.icio.us posts as XBEL SAX events. |
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This package subclasses I. |
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=cut |
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use vars qw ($VERSION); |
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$VERSION = '1.4'; |
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use Net::Delicious::Export::Post qw (group_by_tag |
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mk_bookmarkid); |
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use String::Random qw (random_string); |
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=head1 PACKAGE METHODS |
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=cut |
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=head2 __PACKAGE__->new(\%args) |
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Valid arguments are : |
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=over 4 |
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=item * |
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B |
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A valid handler for I, which is really just |
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a thin wrapper around I |
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=back |
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Returns a I object. Woot! |
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=cut |
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# Inherited from Net::Delicious::Export |
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=head1 OBJECT METHODS |
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=cut |
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=head2 $obj->by_date(\%args) |
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Valid args are |
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=over 4 |
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=item * |
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B I |
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85
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A I object containing the posts you |
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want to export. |
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=item * |
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B |
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92
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String. |
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=back |
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Returns whatever the handler passed to the object |
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contructor sends back. |
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=cut |
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sub by_date { |
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my $self = shift; |
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my $args = shift; |
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105
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$self->start_document($args->{title}); |
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107
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# |
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109
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my $last_date = undef; |
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my $folder = 0; |
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112
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while (my $bm = $args->{posts}->next()) { |
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114
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$bm->time() =~ /(\d{4}-\d{2}-\d{2})T/; |
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my $this_date = $1; |
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# |
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if ($this_date ne $last_date) { |
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if ($folder) { |
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$self->end_folder(); |
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$folder = 0; |
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} |
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126
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$self->start_folder($this_date); |
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128
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$last_date = $this_date; |
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$folder = 1; |
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} |
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132
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# |
133
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134
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$self->bookmark($bm); |
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} |
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137
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# |
138
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139
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$self->end_folder(); |
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$self->end_document(); |
141
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142
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return 1; |
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} |
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145
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=head2 $obj->by_tag(\%args) |
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147
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Valid args are |
148
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149
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=over 4 |
150
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151
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=item * |
152
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153
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B I |
154
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155
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A I object containing the posts you |
156
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want to export. |
157
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158
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=item * |
159
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160
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B |
161
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162
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String. |
163
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164
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=item * |
165
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166
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B |
167
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168
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Code reference, used as an argument for passing to |
169
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Perl's I function. |
170
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171
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The default behaviour is to sort tags alphabetically. |
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173
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=back |
174
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175
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Bookmarks with multiple tags will be added once; subsequent |
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instances of the same bookmark will use XBEL's element |
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to refer back to the first URL. |
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179
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Bookmarks for any given tag set will be ordered by their |
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timestamp. |
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182
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Tags which use del.icio.us' "hierarchical tag" structure will |
183
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be rendered as nested elements. |
184
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185
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Multiple tags for a bookmark will be ordered alphabetically or |
186
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using the same I argument passed to the method. |
187
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188
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Returns whatever the handler passed to the object |
189
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contructor sends back. |
190
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191
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=cut |
192
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193
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sub by_tag { |
194
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my $self = shift; |
195
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my $args = shift; |
196
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197
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my $sort = sub {$a cmp $b}; |
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199
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if (ref($args->{sort}) eq "CODE") { |
200
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$sort = $args->{sort}; |
201
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} |
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203
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# use Data::Denter; |
204
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# print Indent(&group_by_tag($args->{posts},$sort)); |
205
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# exit; |
206
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207
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# |
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209
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$self->start_document($args->{title}); |
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211
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$self->tags(&group_by_tag($args->{posts},$sort),$sort); |
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213
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$self->end_document(); |
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return 1; |
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} |
216
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217
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sub tags { |
218
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my $self = shift; |
219
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my $dict = shift; |
220
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my $sort = shift; |
221
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222
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foreach my $tag (sort $sort keys %$dict) { |
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224
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$self->start_folder($tag); |
225
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226
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my $item = $dict->{$tag}; |
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my $ref = ref($item); |
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229
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if ($ref eq "ARRAY") { |
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231
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map { |
232
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if (ref($_) eq "Net::Delicious::Post") { |
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$self->bookmark($_); |
234
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} |
235
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236
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elsif (ref($_) eq "Net::Delicious::Export::Post::Bookmarkid") { |
237
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$self->alias($_); |
238
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} |
239
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240
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else {} |
241
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242
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} @$item; |
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244
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} |
245
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246
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elsif ($ref eq "HASH") { |
247
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$self->tags($item,$sort); |
248
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} |
249
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250
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else {} |
251
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252
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$self->end_folder(); |
253
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} |
254
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255
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return 1; |
256
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} |
257
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258
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sub start_folder { |
259
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my $self = shift; |
260
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my $title = shift; |
261
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262
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$self->start_element({Name => "folder", |
263
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Attributes => {"{}id" => {Name => "id", |
264
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LocalName => "id", |
265
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Prefix => "", |
266
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NamespaceURI => "", |
267
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Value => $self->_folderid($title)},}}); |
268
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269
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$self->start_element({Name => "title"}); |
270
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$self->characters({Data=>$title}); |
271
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$self->end_element({Name => "title"}); |
272
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273
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return 1; |
274
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} |
275
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276
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sub end_folder { |
277
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my $self = shift; |
278
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279
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$self->end_element({Name => "folder"}); |
280
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return 1; |
281
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} |
282
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283
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sub bookmark { |
284
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my $self = shift; |
285
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my $bm = shift; |
286
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287
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$self->start_element({Name => "bookmark", |
288
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Attributes => { "{}id" => {Name => "id", |
289
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LocalName => "id", |
290
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Prefix => "", |
291
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NamespaceURI => "", |
292
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Value => &mk_bookmarkid($bm)}, |
293
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"{}href" => {Name => "href", |
294
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LocalName => "href", |
295
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Prefix => "", |
296
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NamespaceURI => "", |
297
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Value => $bm->href() } , |
298
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|
"{}visited" => {Name => "visited", |
299
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LocalName => "visited", |
300
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Prefix => "", |
301
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NamespaceURI => "", |
302
|
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Value => $bm->time() } }}); |
303
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304
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|
|
if (my $txt = $bm->description()) { |
305
|
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|
|
|
|
$self->start_element({Name => "title"}); |
306
|
|
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|
|
$self->characters({Data=> $txt}); |
307
|
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|
|
$self->end_element({Name => "title"}); |
308
|
|
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|
|
} |
309
|
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|
310
|
|
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|
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|
|
if (my $txt = $bm->extended()) { |
311
|
|
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|
|
|
|
$self->start_element({Name => "desc"}); |
312
|
|
|
|
|
|
|
$self->characters({Data=> $txt}); |
313
|
|
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|
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|
|
$self->end_element({Name => "desc"}); |
314
|
|
|
|
|
|
|
} |
315
|
|
|
|
|
|
|
|
316
|
|
|
|
|
|
|
$self->end_element({Name => "bookmark"}); |
317
|
|
|
|
|
|
|
return 1; |
318
|
|
|
|
|
|
|
} |
319
|
|
|
|
|
|
|
|
320
|
|
|
|
|
|
|
sub alias { |
321
|
|
|
|
|
|
|
my $self = shift; |
322
|
|
|
|
|
|
|
my $ref = shift; |
323
|
|
|
|
|
|
|
|
324
|
|
|
|
|
|
|
$self->start_element({Name => "alias", |
325
|
|
|
|
|
|
|
Attributes => { "{}ref" => {Name => "ref", |
326
|
|
|
|
|
|
|
LocalName => "ref", |
327
|
|
|
|
|
|
|
Prefix => "", |
328
|
|
|
|
|
|
|
NamespaceURI => "", |
329
|
|
|
|
|
|
|
Value => $ref}}}); |
330
|
|
|
|
|
|
|
|
331
|
|
|
|
|
|
|
$self->end_element({Name => "alias"}); |
332
|
|
|
|
|
|
|
return 1; |
333
|
|
|
|
|
|
|
} |
334
|
|
|
|
|
|
|
|
335
|
|
|
|
|
|
|
|
336
|
|
|
|
|
|
|
sub start_document { |
337
|
|
|
|
|
|
|
my $self = shift; |
338
|
|
|
|
|
|
|
my $title = shift; |
339
|
|
|
|
|
|
|
|
340
|
|
|
|
|
|
|
$title ||= "del.icio.us posts"; |
341
|
|
|
|
|
|
|
|
342
|
|
|
|
|
|
|
$self->SUPER::start_document(); |
343
|
|
|
|
|
|
|
$self->SUPER::xml_decl({Version=>"1.0",Encoding=>"UTF-8"}); |
344
|
|
|
|
|
|
|
|
345
|
|
|
|
|
|
|
$self->start_element({Name => "xbel"}); |
346
|
|
|
|
|
|
|
$self->start_element({Name => "title"}); |
347
|
|
|
|
|
|
|
$self->characters({Data=>$title}); |
348
|
|
|
|
|
|
|
$self->end_element({Name => "title"}); |
349
|
|
|
|
|
|
|
|
350
|
|
|
|
|
|
|
$self->start_element({Name => "desc"}); |
351
|
|
|
|
|
|
|
$self->characters({Data=>"Created by ".__PACKAGE__.", $VERSION"}); |
352
|
|
|
|
|
|
|
$self->end_element({Name => "desc"}); |
353
|
|
|
|
|
|
|
|
354
|
|
|
|
|
|
|
return 1; |
355
|
|
|
|
|
|
|
} |
356
|
|
|
|
|
|
|
|
357
|
|
|
|
|
|
|
sub end_document { |
358
|
|
|
|
|
|
|
my $self = shift; |
359
|
|
|
|
|
|
|
|
360
|
|
|
|
|
|
|
# |
361
|
|
|
|
|
|
|
|
362
|
|
|
|
|
|
|
$self->end_element({Name => "xbel"}); |
363
|
|
|
|
|
|
|
$self->SUPER::end_document(); |
364
|
|
|
|
|
|
|
|
365
|
|
|
|
|
|
|
return 1; |
366
|
|
|
|
|
|
|
} |
367
|
|
|
|
|
|
|
|
368
|
|
|
|
|
|
|
sub _folderid { |
369
|
|
|
|
|
|
|
my $self = shift; |
370
|
|
|
|
|
|
|
my $title = shift; |
371
|
|
|
|
|
|
|
|
372
|
|
|
|
|
|
|
if (! $self->_hasfolderid($title)) { |
373
|
|
|
|
|
|
|
push @{$self->{"__folders"}}, $title; |
374
|
|
|
|
|
|
|
return $title; |
375
|
|
|
|
|
|
|
} |
376
|
|
|
|
|
|
|
|
377
|
|
|
|
|
|
|
$self->_folderid(join(":","GENID",&random_string("ccccccccccccc"))); |
378
|
|
|
|
|
|
|
} |
379
|
|
|
|
|
|
|
|
380
|
|
|
|
|
|
|
sub _hasfolderid { |
381
|
|
|
|
|
|
|
my $self = shift; |
382
|
|
|
|
|
|
|
my $id = shift; |
383
|
|
|
|
|
|
|
|
384
|
|
|
|
|
|
|
foreach (@{$self->{"__folders"}}) { |
385
|
|
|
|
|
|
|
if ($_ =~ /^($id)$/) { |
386
|
|
|
|
|
|
|
return 1; |
387
|
|
|
|
|
|
|
} |
388
|
|
|
|
|
|
|
} |
389
|
|
|
|
|
|
|
|
390
|
|
|
|
|
|
|
return 0; |
391
|
|
|
|
|
|
|
} |
392
|
|
|
|
|
|
|
|
393
|
|
|
|
|
|
|
=head1 VERSION |
394
|
|
|
|
|
|
|
|
395
|
|
|
|
|
|
|
1.4 |
396
|
|
|
|
|
|
|
|
397
|
|
|
|
|
|
|
=head1 DATE |
398
|
|
|
|
|
|
|
|
399
|
|
|
|
|
|
|
$Date: 2005/12/11 19:17:00 $ |
400
|
|
|
|
|
|
|
|
401
|
|
|
|
|
|
|
=head1 AUTHOR |
402
|
|
|
|
|
|
|
|
403
|
|
|
|
|
|
|
Aaron Straup Cope |
404
|
|
|
|
|
|
|
|
405
|
|
|
|
|
|
|
=head1 SEE AlSO |
406
|
|
|
|
|
|
|
|
407
|
|
|
|
|
|
|
L |
408
|
|
|
|
|
|
|
|
409
|
|
|
|
|
|
|
L |
410
|
|
|
|
|
|
|
|
411
|
|
|
|
|
|
|
http://pyxml.sourceforge.net/topics/xbel/ |
412
|
|
|
|
|
|
|
|
413
|
|
|
|
|
|
|
=head1 LICENSE |
414
|
|
|
|
|
|
|
|
415
|
|
|
|
|
|
|
Copyright (c) 2004 Aaron Straup Cope. All Rights Reserved. |
416
|
|
|
|
|
|
|
|
417
|
|
|
|
|
|
|
This is free software, you may use it and distribute it under the |
418
|
|
|
|
|
|
|
same terms as Perl itself. |
419
|
|
|
|
|
|
|
|
420
|
|
|
|
|
|
|
=cut |
421
|
|
|
|
|
|
|
|
422
|
|
|
|
|
|
|
return 1; |