class BlueCloth

Bluecloth is a Ruby implementation of Markdown, a text-to-HTML conversion tool.

Authors

Contributors

This product includes software developed by David Loren Parsons <www.pell.portland.or.us/~orc>.

Version

2.1.0

Revision

$Revision: 34dd000f535c $

License

Copyright © 2004-2011, Michael Granger All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Constants

DEFAULT_OPTIONS

The defaults for all supported options.

INSPECT_TEXT_LENGTH

The number of characters of the original markdown source to include in the output of #inspect

REVISION

Version control revision

VERSION

Release Version

Public Class Methods

flags_from_opthash( opthash={} ) click to toggle source

Convert the specified opthash into a flags bitmask. If it’s already a Fixnum (e.g., if someone passed in an ORed flags argument instead of an opthash), just return it as-is.

# File lib/bluecloth.rb, line 103
def self::flags_from_opthash( opthash={} )
        return opthash if opthash.is_a?( Integer )

        # Support BlueCloth1-style options
        if opthash == :filter_html || opthash == [:filter_html]
                opthash = { :escape_html => true }
        elsif opthash == :filter_styles
                opthash = {}
        elsif !opthash.is_a?( Hash )
                raise ArgumentError, "option %p not supported" % [ opthash ]
        end

        flags = 0

        if   opthash[:remove_links]     then flags |= MKD_NOLINKS;         end
        if   opthash[:remove_images]    then flags |= MKD_NOIMAGE;         end
        if ! opthash[:smartypants]      then flags |= MKD_NOPANTS;         end
        if   opthash[:escape_html]      then flags |= MKD_NOHTML;          end
        if   opthash[:strict_mode]      then flags |= MKD_STRICT;          end
        if   opthash[:tagtext_mode]     then flags |= MKD_TAGTEXT;         end
        if ! opthash[:pseudoprotocols]  then flags |= MKD_NO_EXT;          end
        if   opthash[:xml_cdata]        then flags |= MKD_CDATA;           end
        if ! opthash[:superscript]      then flags |= MKD_NOSUPERSCRIPT;   end
        if ! opthash[:relaxed]          then flags |= MKD_NORELAXED;       end
        if ! opthash[:tables]           then flags |= MKD_NOTABLES;        end
        if ! opthash[:strikethrough]    then flags |= MKD_NOSTRIKETHROUGH; end
        if   opthash[:header_labels]    then flags |= MKD_TOC;             end
        if   opthash[:mdtest_1_compat]  then flags |= MKD_1_COMPAT;        end
        if   opthash[:auto_links]       then flags |= MKD_AUTOLINK;        end
        if   opthash[:safe_links]       then flags |= MKD_SAFELINK;        end
        if ! opthash[:pandoc_headers]   then flags |= MKD_NOHEADER;        end
        if   opthash[:expand_tabs]      then flags |= MKD_TABSTOP;         end
        if ! opthash[:divquotes]        then flags |= MKD_NODIVQUOTE;      end
        if ! opthash[:alphalists]       then flags |= MKD_NOALPHALIST;     end
        if ! opthash[:definition_lists] then flags |= MKD_NODLIST;         end
        if   opthash[:footnotes]        then flags |= MKD_EXTRA_FOOTNOTE;  end

        return flags
end
opthash_from_flags( flags=0 ) click to toggle source

Returns a Hash that reflects the settings from the specified flags Integer.

# File lib/bluecloth.rb, line 145
def self::opthash_from_flags( flags=0 )
        flags = flags.to_i

        opthash = {}
        if  ( flags & MKD_NOLINKS         ).nonzero? then opthash[:remove_links]     = true; end
        if  ( flags & MKD_NOIMAGE         ).nonzero? then opthash[:remove_images]    = true; end
        if !( flags & MKD_NOPANTS         ).nonzero? then opthash[:smartypants]      = true; end
        if  ( flags & MKD_NOHTML          ).nonzero? then opthash[:escape_html]      = true; end
        if  ( flags & MKD_STRICT          ).nonzero? then opthash[:strict_mode]      = true; end
        if  ( flags & MKD_TAGTEXT         ).nonzero? then opthash[:tagtext_mode]     = true; end
        if !( flags & MKD_NO_EXT          ).nonzero? then opthash[:pseudoprotocols]  = true; end
        if  ( flags & MKD_CDATA           ).nonzero? then opthash[:xml_cdata]        = true; end
        if !( flags & MKD_NOSUPERSCRIPT   ).nonzero? then opthash[:superscript]      = true; end
        if !( flags & MKD_NORELAXED       ).nonzero? then opthash[:relaxed]          = true; end
        if !( flags & MKD_NOTABLES        ).nonzero? then opthash[:tables]           = true; end
        if !( flags & MKD_NOSTRIKETHROUGH ).nonzero? then opthash[:strikethrough]    = true; end
        if  ( flags & MKD_TOC             ).nonzero? then opthash[:header_labels]    = true; end
        if  ( flags & MKD_1_COMPAT        ).nonzero? then opthash[:mdtest_1_compat]  = true; end
        if  ( flags & MKD_AUTOLINK        ).nonzero? then opthash[:auto_links]       = true; end
        if  ( flags & MKD_SAFELINK        ).nonzero? then opthash[:safe_links]       = true; end
        if !( flags & MKD_NOHEADER        ).nonzero? then opthash[:pandoc_headers]   = true; end
        if  ( flags & MKD_TABSTOP         ).nonzero? then opthash[:expand_tabs]      = true; end
        if !( flags & MKD_NODIVQUOTE      ).nonzero? then opthash[:divquotes]        = true; end
        if !( flags & MKD_NOALPHALIST     ).nonzero? then opthash[:alphalists]       = true; end
        if !( flags & MKD_NODLIST         ).nonzero? then opthash[:definition_lists] = true; end
        if  ( flags & MKD_EXTRA_FOOTNOTE  ).nonzero? then opthash[:footnotes]        = true; end

        return opthash
end

Public Instance Methods

inspect() click to toggle source

Return a human-readable representation of the object suitable for debugging.

# File lib/bluecloth.rb, line 181
def inspect
        return "#<%s:0x%x text: %p; options: %p>" % [
                self.class.name,
                self.object_id / 2,
                self.text.length > INSPECT_TEXT_LENGTH ?
                        self.text[ 0, INSPECT_TEXT_LENGTH - 5] + '[...]' :
                        self.text,
                self.options,
        ]
end