repo/luan: lucene/src/luan/modules/lucene/Lucene.luan comparison

rewrite much of Html to be more understandable; add Lucene html_highlighter();

author	Franklin Schmidt <fschmidt@gmail.com>
date	Tue, 12 Jan 2016 23:52:56 -0700
parents	8281a248c47e
children	ca169567ce07

comparison

equal deleted inserted replaced

-:8281a248c47e
+:a3c1e11fb6aa
 java()
 local Luan = require "luan:Luan"
 local error = Luan.error
+local ipairs = Luan.ipairs or error()
+local type = Luan.type or error()
+local Html = require "luan:Html"
 local LuceneIndex = require "java:luan.modules.lucene.LuceneIndex"
 local NumberFieldParser = require "java:sane.lucene.queryparser.NumberFieldParser"
 local StringFieldParser = require "java:sane.lucene.queryparser.StringFieldParser"
 local SaneQueryParser = require "java:sane.lucene.queryparser.SaneQueryParser"
 local Version = require "java:org.apache.lucene.util.Version"
 	function index.count(query)
 		return index.advanced_search(query)
 	end
+	function index.html_highlighter(query,formatter,container_tags)
+		local highlighter = index.highlighter(query,formatter)
+		return function(html)
+			local list = Html.parse(html,container_tags)
+			local result = {}
+			for _, obj in ipairs(list) do
+				if type(obj) == "string" then
+					obj = highlighter(obj)
+				end
+				result[#result+1] = obj
+			end
+			return Html.to_string(result)
+		end
+	end
 	return index
 end
 return M

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