Turn image markup into image tags.

Source Code

# File bluecloth.rb, line 968
def transform_images( str, rs )
        @log.debug " Transforming images" % str

        # Handle reference-style labeled images: ![alt text][id]
        str.
                gsub( ReferenceImageRegexp ) {|match|
                        whole, alt, linkid = $1, $2, $3.downcase
                        @log.debug "Matched %p" % match
                        res = nil
                        alt.gsub!( /"/, '"' )

                        # for shortcut links like ![this][].
                        linkid = alt.downcase if linkid.empty?

                        if rs.urls.key?( linkid )
                                url = escape_md( rs.urls[linkid] )
                                @log.debug "Found url '%s' for linkid '%s' " % [ url, linkid ]

                                # Build the tag
                                result = %{<img src="%s" alt="%s"} % [ url, alt ]
                                if rs.titles.key?( linkid )
                                        result += %{ title="%s"} % escape_md( rs.titles[linkid] )
                                end
                                result += EmptyElementSuffix

                        else
                                result = whole
                        end

                        @log.debug "Replacing %p with %p" % [ match, result ]
                        result
                }.

                # Inline image style
                gsub( InlineImageRegexp ) {|match|
                        @log.debug "Found inline image %p" % match
                        whole, alt, title = $1, $2, $5
                        url = escape_md( $3 )
                        alt.gsub!( /"/, '&quot;' )

                        # Build the tag
                        result = %{<img src="%s" alt="%s"} % [ url, alt ]
                        unless title.nil?
                                title.gsub!( /"/, '&quot;' )
                                result += %{ title="%s"} % escape_md( title )
                        end
                        result += EmptyElementSuffix

                        @log.debug "Replacing %p with %p" % [ match, result ]
                        result
                }
end