jy-data-extract/src/lua/comm.lua

--[[抽取脚本工具类]]

common={}

--根据field获取结果对象
function common.getFieldObjects(result,field)
	for key, val in pairs(result) do
		if key==field then
			return val
		end
	end
	return nil
end

--抽取field新增结果赋值object(field,code,ruletext,extfrom,field,value,type,matchtype)
function common.setFieldObjects(result,field,object)
	local nofield=true
	for key, val in pairs(result) do
		if key==field then
			nofield=false
			table.insert(val, object)
		end
	end
	if nofield then
		result[field]={object}
	end
	return result
end

--输出
function printf(obj)
	print(dump(obj) )
end
function dump(obj)  
    local getIndent, quoteStr, wrapKey, wrapVal, isArray, dumpObj  
    getIndent = function(level)  
        return string.rep("\t", level)  
    end  
    quoteStr = function(str)  
        str = string.gsub(str, "[%c\\\"]", {  
            ["\t"] = "\\t",  
            ["\r"] = "\\r",  
            ["\n"] = "\\n",  
            ["\""] = "\\\"",  
            ["\\"] = "\\\\",  
        })  
        return '"' .. str .. '"'  
    end  
    wrapKey = function(val)  
        if type(val) == "number" then  
            return "[" .. val .. "]"  
        elseif type(val) == "string" then  
            return "[" .. quoteStr(val) .. "]"  
        else  
            return "[" .. tostring(val) .. "]"  
        end  
    end  
    wrapVal = function(val, level)  
        if type(val) == "table" then  
            return dumpObj(val, level)  
        elseif type(val) == "number" then  
            return val  
        elseif type(val) == "string" then  
            return quoteStr(val)  
        else  
            return tostring(val)  
        end  
    end  
    local isArray = function(arr)  
        local count = 0   
        for k, v in pairs(arr) do  
            count = count + 1   
        end   
        for i = 1, count do  
            if arr[i] == nil then  
                return false  
            end   
        end   
        return true, count  
    end  
    dumpObj = function(obj, level)  
        if type(obj) ~= "table" then  
            return wrapVal(obj)  
        end  
        level = level + 1  
        local tokens = {}  
        tokens[#tokens + 1] = "{"  
        local ret, count = isArray(obj)  
        if ret then  
            for i = 1, count do  
                tokens[#tokens + 1] = getIndent(level) .. wrapVal(obj[i], level) .. ","  
            end  
        else  
            for k, v in pairs(obj) do  
                tokens[#tokens + 1] = getIndent(level) .. wrapKey(k) .. " = " .. wrapVal(v, level) .. ","  
            end  
        end  
        tokens[#tokens + 1] = getIndent(level - 1) .. "}"  
        return table.concat(tokens, "\n")  
    end  
    return dumpObj(obj, 0)  
end 
--通用方法结束
return common;