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#!/usr/bin/env ruby
require_relative 'parse'
def chart2json passive_chart, n
id = 0
spancat2id = {}
puts "{"
puts "\"weights\":{ \"logp\":2.0, \"use_shell\":1.0 },"
puts "\"nodes\":"
puts "["
# nodes
visit(1, 0, n) { |i,j|
seen = {}
passive_chart.at(i,j).each { |item|
if !seen[item.lhs.symbol]
puts "{ \"id\":#{id}, \"cat\":\"#{item.lhs.symbol}\", \"span\":[#{i},#{j}] },"
spancat2id["#{item.lhs.symbol},#{i},#{j}"] = id
id += 1
end
seen[item.lhs.symbol]=true
}
}
puts "{ \"id\":-1, \"cat\":\"root\", \"span\":[-1, -1] }"
puts "],"
puts "\"edges\":"
puts "["
a = []
visit(1, 0, n) { |i,j|
passive_chart.at(i,j).each { |item|
if item.tail_spans.empty?
a << "{ \"head\":#{spancat2id[item.lhs.symbol+','+i.to_s+','+j.to_s]}, \"rule\":\"[#{item.lhs.symbol}] ||| #{item.rhs.map{|x|(x.class==Grammar::NT ? '['+x.symbol+','+x.index.to_s+']' : x.word.gsub('"','\"'))}.join(' ')} ||| #{item.target.map{|x|(x.class==Grammar::NT ? '['+x.symbol+','+(x.index+0).to_s+']' : x.word.gsub('"', '\"'))}.join(' ')}\ |||\", \"tails\":[-1], \"f\":#{item.f.to_s.gsub('=>',':')} }"
else
a << "{ \"head\":#{spancat2id[item.lhs.symbol+','+i.to_s+','+j.to_s]}, \"rule\":\"[#{item.lhs.symbol}] ||| #{item.rhs.map{|x|(x.class==Grammar::NT ? '['+x.symbol+','+x.index.to_s+']' : x.word.gsub('"','\"'))}.join(' ')} ||| #{item.target.map{|x|(x.class==Grammar::NT ? '['+x.symbol+','+(x.index+1).to_s+']' : x.word.gsub('"', '\"'))}.join(' ')}\ |||\", \"tails\":[#{item.rhs.zip((0..item.rhs.size-1).map{|q|item.tail_spans[q]}).select{|x|x[0].class==Grammar::NT}.map{|x|spancat2id[x[0].symbol+','+x[1].left.to_s+','+x[1].right.to_s]}.join ', '}], \"f\":#{item.f.to_s.gsub('=>',':')} }"
end
}
}
puts a.join ",\n"
puts "]"
puts "}"
end
def main
STDERR.write "> reading input from TODO\n"
#input = 'ich sah ein kleines haus'.split
#input = 'lebensmittel schuld an europäischer inflation'.split
input = 'offizielle prognosen sind von nur 3 prozent ausgegangen , meldete bloomberg .'.split
n = input.size
STDERR.write "> reading grammar\n"
grammar = Grammar::Grammar.new 'example/3/grammar.3.gz'
STDERR.write ">> adding glue grammar\n"
grammar.add_glue_rules
STDERR.write ">> adding pass-through grammar\n"
#grammar.add_pass_through_rules input
STDERR.write "> initializing charts\n"
passive_chart = Parse::Chart.new n
active_chart = Parse::Chart.new n
Parse::init input, n, active_chart, passive_chart, grammar
STDERR.write "> parsing\n"
Parse::parse input, n, active_chart, passive_chart, grammar
#puts "\n---\npassive chart"
#visit(1, 0, 5) { |i,j| puts "#{i},#{j}"; passive_chart.at(i,j).each { |item| puts " #{j} #{item.to_s}" }; puts }
chart2json passive_chart, n
end
main
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