serialize.sol

pragma solidity ^0.4.19;

import "./Seriality.sol";

contract Serialize is Seriality{
	string [] arr = ["string0", "string1", "string2", "string3", "string4"];

	function getBytes(uint startindex, uint endindex) public view returns(bytes serialized){

        require(endindex >= startindex);
        
        if(endindex > (arr.length - 1)){
            endindex = arr.length - 1;
        }
        
        //64 byte is needed for safe storage of a single string.
        //((endindex - startindex) + 1) is the number of strings we want to pull out.
        uint offset = 64*((endindex - startindex) + 1);
        
        bytes memory buffer = new  bytes(offset);
        string memory out1  = new string(32);
        
        
        for(uint i = startindex; i <= endindex; i++){
            out1 = arr[i];
            
            stringToBytes(offset, bytes(out1), buffer);
            offset -= sizeOfString(out1);
        }
        
        return (buffer);
    }

    function getString(bytes buffer) public view returns(string string1, string string2){

    	//64 byte is needed for safe storage of a single string.
    	//In this example we are returning 2 strings
    	uint offset = 64*2;

    	buffer = new  bytes(offset);

    	string1 = new string(32);
    	string2 = new string(32);

    	bytesToString(offset, buffer, bytes(string2));
        offset -= sizeOfString(string2);

		bytesToString(offset, buffer, bytes(string2));
        offset -= sizeOfString(string2);

        return(string1, string2);
    }

}