Class: ODDB::AnalysisParse::Parser

Inherits:
Object
  • Object
show all
Defined in:
ext/analysisparse/src/parser.rb

Constant Summary collapse

FOOTNOTE_PTRN = 
/^\s*_*\s*(\d|\*)\s*_*\s*[^\d\*\.]+/mu
FOOTNOTE_TYPE = 
:footnote
LINE_PTRN = 
/^\s*([CNS]|N,\s*ex|TP)?\s*\d{4}\.\d{2,}\s*[\d\*]/u
STOPCHARS = 
";.\n"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Parser

Returns a new instance of Parser.



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# File 'ext/analysisparse/src/parser.rb', line 15

def initialize
	@footnotes = {}
end

Instance Attribute Details

#footnotes ⇒ Object (readonly)

Returns the value of attribute footnotes.



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# File 'ext/analysisparse/src/parser.rb', line 13

def footnotes
  @footnotes
end

#list_title ⇒ Object

Returns the value of attribute list_title.



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# File 'ext/analysisparse/src/parser.rb', line 14

def list_title
  @list_title
end

#permission ⇒ Object

Returns the value of attribute permission.



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# File 'ext/analysisparse/src/parser.rb', line 14

def permission
  @permission
end

#taxpoint_type ⇒ Object

Returns the value of attribute taxpoint_type.



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# File 'ext/analysisparse/src/parser.rb', line 14

def taxpoint_type
  @taxpoint_type
end

Instance Method Details

#footnote_line(footnotes, src, start, stop) ⇒ Object 



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# File 'ext/analysisparse/src/parser.rb', line 18

def footnote_line(footnotes, src, start, stop)
	line = src[start..stop].strip
	fn = line.slice!(/^\d+|\*/u)
	#line.gsub!(/_/,'')
	line.strip!
	line.gsub!(/\s+/, ' ')
	footnotes.store(fn, line)
end

#footnote_type ⇒ Object 



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# File 'ext/analysisparse/src/parser.rb', line 26

def footnote_type
	self.class::FOOTNOTE_TYPE
end

#parse_footnotes(src) ⇒ Object 



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# File 'ext/analysisparse/src/parser.rb', line 29

def parse_footnotes(src)
	src.gsub!(/_*/u, '')
	src.gsub!(/~R/u, '\'')
	footnotes = {}
	stop = 0
	start = 0
	while(nextstart = src.index(FOOTNOTE_PTRN, start + 5))
		stop = nextstart - 1
		footnote_line(footnotes, src, start, stop)
		start = nextstart
	end
	footnote_line(footnotes, src, stop, -1)
	@footnotes.update(footnotes)
end

#parse_line(src) ⇒ Object 



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# File 'ext/analysisparse/src/parser.rb', line 43

def parse_line(src)
	data = {
		:list_title			=> @list_title,
		:permission			=> @permission,
		:taxpoint_type	=> @taxpoint_type,
	}
	src << "\n"
	ast = self.class::PARSER.parse(src)
rescue Exception	=>	e
	ptrn = /(\d{4})\.(\d{2})\s*(\d{1,2})\s*(.*)/u
	data.update({
		:error			=>	e,
		:line						=>	src,
	})
	if(match = ptrn.match(src))
		data.update({
			:code					=> [match[1], match[2]].join('.'), 
			:group				=> match[1],
			:position			=> match[2],
			:taxpoints		=> match[3],
			:description	=> match[4],
		})
	end
	data
else
	desc = ''
	position = ast.position.value
	group = ast.group.value
	if(position.size > 2)
		data.store(footnote_type, position.slice!(2..-1))
	end
	data.update({
		:code					=> [group, position].join('.'),
		:group				=> group,
		:position			=> position,
		:taxpoints		=> ast.taxpoints.value.to_i,	
		:description	=> desc,
	})
	extract_text(ast.description, desc)
	if(lba = child_if_exists(ast, 'labarea'))
		data.store(:lab_areas, lba.value.strip.split(''))
	end
	if(agroup = child_if_exists(ast, 'anonymousgroup'))
		data.store(:anonymousgroup, agroup.value)
	end
	if(apos = child_if_exists(ast, 'anonymouspos'))
		data.store(:anonymouspos, apos.value)
	end
	if(lim = child_if_exists(ast, 'limitation'))
		limitation = extract_text(lim.description)
		if(ml = child_if_exists(ast, 'morelines'))
			extract_text(ml, limitation)
		end
		data.store(:limitation, limitation)
	elsif(more = child_if_exists(ast, 'morelines'))
		extract_text(more, desc)
		if(lim = child_if_exists(ast, 'limitation2'))
			limitation = extract_text(lim.description)
			data.store(:limitation, limitation)
		end
	elsif(lim2 = child_if_exists(ast, 'limitation2'))
		limitation = extract_text(lim2.description)
		data.store(:limitation, limitation)
	end
	if((number = child_if_exists(ast, 'taxnumber')) \
			&& (note = child_if_exists(ast, 'taxnote')))
		taxnote = extract_text(note.description)
		taxnumber = number.value[/\d+/u]
		data.store(:taxnumber, taxnumber)
		data.store(:taxnote, taxnote)
	end
	if(revision = child_if_exists(ast, 'revision'))
		data.store(:analysis_revision, revision.value)
	end
	[:finding, footnote_type].each { |key|
		if(node = child_if_exists(ast, key.to_s))
			data.store(key, node.value)
		end
	}
	if(child_if_exists(ast, 'anonymous'))
		data.store(:anonymous, true)
	end
	data
end

#parse_page(page, pagenum) ⇒ Object 



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# File 'ext/analysisparse/src/parser.rb', line 127

def parse_page(page, pagenum)
	stop = 0
	new_data = []
	footnotes = {}
	line_ptrn = self.class::LINE_PTRN
	if(start = page.index(line_ptrn))
		while(nextstart = page.index(line_ptrn, start + $~.to_s.length))
			stop = nextstart - 1
			line = page[start..stop]
			new_data.push(parse_line(line))
			start = nextstart
		end
		pagenum_pos = page.rindex(pagenum.to_s).to_i - 1
		if(stop = page.index(FOOTNOTE_PTRN, start + $~.to_s.length))
			parse_footnotes(page[stop..pagenum_pos])
		else
			stop = pagenum_pos
		end
		stop -= 1
		line = page[start..stop]
		new_data.push(parse_line(line))
		update_footnotes(new_data, @footnotes)
	end
	new_data
end

#update_footnotes(new_data, footnotes) ⇒ Object 



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# File 'ext/analysisparse/src/parser.rb', line 152

def update_footnotes(new_data, footnotes)
	new_data.each { |data|
		if(fn = footnotes[data[:footnote]])
			data.store(:footnote, fn)
		end
	}
	new_data
end