58 lines
2.0 KiB
Ruby
58 lines
2.0 KiB
Ruby
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# -*- coding: utf-8; frozen_string_literal: true -*-
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#
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#--
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# Copyright (C) 2009-2019 Thomas Leitner <t_leitner@gmx.at>
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#
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# This file is part of kramdown which is licensed under the MIT.
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#++
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#
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require 'kramdown/parser'
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module Kramdown
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module Parser
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# Used for parsing a document in Markdown format.
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#
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# This parser is based on the kramdown parser and removes the parser methods for the additional
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# non-Markdown features. However, since some things are handled differently by the kramdown
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# parser methods (like deciding when a list item contains just text), this parser differs from
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# real Markdown parsers in some respects.
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#
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# Note, though, that the parser basically fails just one of the Markdown test cases (some others
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# also fail but those failures are negligible).
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class Markdown < Kramdown
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# Array with all the parsing methods that should be removed from the standard kramdown parser.
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EXTENDED = [:codeblock_fenced, :table, :definition_list, :footnote_definition,
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:abbrev_definition, :block_math, :block_extensions,
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:footnote_marker, :smart_quotes, :inline_math, :span_extensions, :typographic_syms]
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def initialize(source, options) # :nodoc:
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super
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@block_parsers.delete_if {|i| EXTENDED.include?(i) }
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@span_parsers.delete_if {|i| EXTENDED.include?(i) }
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end
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# :stopdoc:
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BLOCK_BOUNDARY = /#{BLANK_LINE}|#{EOB_MARKER}|\Z/
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LAZY_END = /#{BLANK_LINE}|#{EOB_MARKER}|^#{OPT_SPACE}#{LAZY_END_HTML_STOP}|
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^#{OPT_SPACE}#{LAZY_END_HTML_START}|\Z/x
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CODEBLOCK_MATCH = /(?:#{BLANK_LINE}?(?:#{INDENT}[ \t]*\S.*\n)+)*/
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PARAGRAPH_END = LAZY_END
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IAL_RAND_CHARS = (('a'..'z').to_a + ('0'..'9').to_a)
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IAL_RAND_STRING = (1..20).collect { IAL_RAND_CHARS[rand(IAL_RAND_CHARS.size)] }.join
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LIST_ITEM_IAL = /^\s*(#{IAL_RAND_STRING})?\s*\n/
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IAL_SPAN_START = LIST_ITEM_IAL
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# :startdoc:
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end
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end
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end
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