internal package Foswiki::Attach 
  internal package Foswiki::Attach 
A singleton object of this class is used to deal with attachments to topics.
  ClassMethod new($session) 
Constructor.
  ObjectMethod finish() 
Break circular references.
  ObjectMethod renderMetaData( $topicObject, $args ) → $text 
Generate a table of attachments suitable for the bottom of a topic
view, using templates for the header, footer and each row. 
-  $topicObjectthe topic
-  $argshash of attachment arguments
Renders these tokens for each attachment: 
-  %A_ATTRS% - attributes
-  %A_COMMENT% - comment
-  %A_DATE% - upload date in user friendly format
-  %A_EPOCH% - upload date in epoch seconds
-  %A_EFILE% - encoded file name
-  %A_EXT% - file extension
-  %A_FILE% - file name
-  %A_FILESIZE% - filesize in bytes to be used in sorting
-  %A_ICON% - %ICON{}%macro around file extension
-  %A_REV% - revision
-  %A_SIZE% - filesize in user friendly notation
-  %A_URL% - attachment file url 
-  %A_USER% - user who has uploaded the last version in 'web.usertopic' notation
-  %A_USERNAME% - user who has uploaded the last version in 'usertopic' notation
-  %A_COUNT% - attachment number (starting from 1)
Renders these row helper tokens: 
-  %R_STARTROW_N% - where N is the desired number of attachments in a row; true if a new row should be started
-  %R_ENDROW_N% - where N is the desired number of attachments in a row; true if a row should be closed
  ObjectMethod formatVersions ( $topicObject, $attrs ) → $text 
Generate a version history table for a single attachment 
-  $topicObject- the topic
-  $attrs- Hash of meta-data attributes
  ObjectMethod getAttachmentLink( $topicObject, $name ) → $html 
 
-  $topicObject- The topic
-  $name- Name of the attachment
Build a link to the attachment, suitable for insertion in the topic.