# Blosxom Plugin: autoimg
# Author: Bruce Alderson
# Version: 2003-08-31 (v0.2)
# License: GPL            
# Blosxom Home/Docs/Licensing: http://www.raelity.org/blosxom

# Autoimg
#
# Turns square-bracketed image references into useful html markup.
#   * Can exist in any part of story body
#   * image root is configurable
#   * thumbnail name assumed to exist as: name.thumbnail.type 
#   * optionally sets 'align' html attribute (defaulting to left)
#   * sets 'alt' tag for html4.01 zen
#
#
# Usage Examples:
# 
#   [name.jpg:right] A right-aligned image
#   [name.jpg:left]  A left-aligned image
#   [name.png]       A default-aligned image
#   
# TODO
#   * Auto-thumbnail generation (fn in s//x/ that checks)
#   * Configurable thumbnail name
#   * Allow to occur at the beginning of a ling || after ws

package autoimg;

# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# Configuration Section

$image_root     = "/images/";       # the base image path (from webserver pov)
$default_align  = 'left';           # the default image alignment

#
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #


sub start {
  1;
}


sub story {
 my ($pkg, $path, $filename, $story_ref, $title_ref, $body_ref) = @_;

    # directive with alignment
    $$body_ref =~ s/\[(\w+)\.(jpg|jpeg|gif|png):(\w+)\]/ <a href="$image_root$1.$2"><img src="$image_root$1.thumbnail.$2" align="$3" alt="[$1]"\/><\/a>/gs;
    
    # directive with default alignment
    $$body_ref =~ s/\[(\w+)\.(jpg|jpeg|gif|png)\]/ <a href="$image_root$1.$2"><img src="$image_root$1.thumbnail.$2" align="$default_align" alt="[$1]"\/><\/a>/gs;
 1;
}

1;