Class: MaRuKu::In::Markdown::SpanLevelParser::CharSourceStrscan

Inherits:
Object
  • Object
show all
Includes:
MaRuKu::In::Markdown::SpanLevelParser, Strings
Defined in:
lib/maruku/input/charsource.rb,
lib/maruku/input/charsource.rb

Overview

a wrapper around StringScanner

Constant Summary

Constants included from Strings

Strings::Abbreviation, Strings::AttributeDefinitionList, Strings::Definition, Strings::EMailAddress, Strings::FootnoteText, Strings::HeaderWithAttributes, Strings::HeaderWithId, Strings::IncompleteLink, Strings::InlineAttributeList, Strings::LinkRegex, Strings::MightBeTableHeader, Strings::Sep, Strings::TabSize, Strings::TableSeparator

Constants included from MaRuKu::In::Markdown::SpanLevelParser

CharSource, Close_class, EscapedCharInInlineCode, EscapedCharInQuotes, EscapedCharInText, Punct_class, R_REF_ID, Rules, SPACE

Instance Method Summary collapse

Methods included from Strings

#add_tabs, #dbg_describe_ary, #force_linebreak?, #line_md_type, #normalize_key_and_value, #num_leading_hashes, #number_of_leading_spaces, #parse_email_headers, #sanitize_ref_id, #spaces_before_first_char, #split_lines, #strip_hashes, #strip_indent, #unquote

Methods included from MaRuKu::In::Markdown::SpanLevelParser

#apply_one_rule, #describe_pos, #educate, #extension_meta, #interpret_extension, #is_ial, #md_al, #merge_ial, #parse_lines_as_span, #parse_span_better, #read_attribute_list, #read_em, #read_email_el, #read_emstrong, #read_footnote_ref, #read_image, #read_inline_code, #read_inline_html, #read_link, #read_quoted, #read_quoted_or_unquoted, #read_ref_id, #read_simple, #read_span, #read_strong, #read_url, #read_url_el, #read_xml_instr_span, #unit_tests_for_attribute_lists

Methods included from Helpers

#md_abbr, #md_abbr_def, #md_ald, #md_br, #md_code, #md_codeblock, #md_el, #md_em, #md_email, #md_emstrong, #md_entity, #md_foot_ref, #md_footnote, #md_header, #md_hrule, #md_html, #md_ial, #md_im_image, #md_im_link, #md_image, #md_li, #md_link, #md_par, #md_quote, #md_ref_def, #md_strong, #md_url, #md_xml_instr

Constructor Details

#initialize(s, parent = nil) ⇒ CharSourceStrscan

Returns a new instance of CharSourceStrscan.



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# File 'lib/maruku/input/charsource.rb', line 208

def initialize(s, parent=nil)
	@s = StringScanner.new(s)
	@parent = parent
end

Instance Method Details

#consume_whitespace ⇒ Object 



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# File 'lib/maruku/input/charsource.rb', line 264

def consume_whitespace
	@s.scan(/\s+/)
	nil
end

#cur_char ⇒ Object

Return current char as a FixNum (or nil).



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# File 'lib/maruku/input/charsource.rb', line 214

def cur_char
	 @s.peek(1)[0]
end

#cur_chars(n) ⇒ Object

Return the next n chars as a String.



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# File 'lib/maruku/input/charsource.rb', line 219

def cur_chars(n); 
	@s.peek(n)
end

#cur_chars_are(string) ⇒ Object 



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# File 'lib/maruku/input/charsource.rb', line 246

def cur_chars_are(string)
	cur_chars(string.size) == string
end

#current_remaining_buffer ⇒ Object 



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# File 'lib/maruku/input/charsource.rb', line 242

def current_remaining_buffer
	@s.rest #nil #@buffer[@buffer_index, @buffer.size-@buffer_index]
end

#describe ⇒ Object 



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# File 'lib/maruku/input/charsource.rb', line 269

def describe
	describe_pos(@s.string, @s.pos)
end

#ignore_char ⇒ Object 



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# File 'lib/maruku/input/charsource.rb', line 232

def ignore_char
	@s.get_byte
	nil
end

#ignore_chars(n) ⇒ Object 



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# File 'lib/maruku/input/charsource.rb', line 237

def ignore_chars(n)
	n.times do @s.get_byte end
	nil
end

#next_char ⇒ Object

Return the char after current char as a FixNum (or nil).



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# File 'lib/maruku/input/charsource.rb', line 224

def next_char; 
	@s.peek(2)[1]
end

#next_matches(r) ⇒ Object 



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# File 'lib/maruku/input/charsource.rb', line 250

def next_matches(r)
	len = @s.match?(r)
	return !!len
end

#read_regexp(r) ⇒ Object 



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# File 'lib/maruku/input/charsource.rb', line 255

def read_regexp(r)
	string = @s.scan(r)
	if string
		return r.match(string)
	else
		return nil
	end
end

#shift_char ⇒ Object 



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# File 'lib/maruku/input/charsource.rb', line 228

def shift_char
	(@s.get_byte)[0]
end