public MainForm()
{
InitializeComponent();
_heartBeat.Elapsed += OnHeartBeat;
_heartBeat.Interval = 50;
_heartBeat.Start();
_chain = new MarkovChain();
Load += MainForm_Load;
}
public static void Serialize(MarkovChain chain, Stream stream)
{
// Will be faster than calling Array.IndexOf for all words
Dictionary <String, Int32> wordLUT = CreateWordLookupTable(chain.SubSentences);
Dictionary <String, Int32> .KeyCollection wordList = wordLUT.Keys;
using (var bw = new BinaryWriter(stream, Encoding.UTF8, true))
{
// Write the header
bw.Write("MARKOV"); // Magic number
bw.Write(5); // Version
// Write all words
bw.Write(wordList.Count);
foreach (var word in wordList)
{
bw.Write(word);
}
// Write sentence initiators indexes
bw.Write(chain.SentenceInitiators.Count);
foreach (var initiator in chain.SentenceInitiators)
{
bw.Write(wordLUT[initiator]);
}
// Write amount of word and sub-sentences pairs
bw.Write(chain.SubSentences.Count);
foreach (KeyValuePair <String, List <String[]> > kv in chain.SubSentences)
{
// Write index of the word
bw.Write(wordLUT[kv.Key]);
// Write amount of sub-sentences
List <String[]> subsentences = kv.Value;
bw.Write(subsentences.Count);
foreach (var subsentence in subsentences)
{
// Then write the index of each word in
// the sub-sentence
bw.Write(subsentence.Length);
foreach (var word in subsentence)
{
bw.Write(wordLUT[word]);
}
}
}
}
}
public static MarkovChain Deserialize(Stream stream)
{
using (var br = new BinaryReader(stream, Encoding.UTF8, true))
{
FileHeader header = ReadHeader(br);
if (!header.IsValid)
{
throw new Exception("Invalid Markov save file.");
}
var chain = new MarkovChain( );
String[] wordlist;
// Read word dictionary
wordlist = new String[br.ReadInt32( )];
for (var i = 0; i < wordlist.Length; i++)
{
wordlist[i] = br.ReadString( );
}
// Read sentence intiators
var initiatorCount = br.ReadInt32( );
while (initiatorCount-- > 0)
{
// Read each word by it's index
chain.SentenceInitiators.Add(wordlist[br.ReadInt32( )]);
}
// Read the (word, sub-sentences) pairs
var pairCount = br.ReadInt32( );
while (pairCount-- > 0)
{
// Read the word by it's index
var word = wordlist[br.ReadInt32( )];
// Read the sub-sentences
var subsentenceCount = br.ReadInt32( );
chain.SubSentences[word] = new List <String[]> (subsentenceCount);
while (subsentenceCount-- > 0)
{
String[] subsentence = new String[br.ReadInt32( )];
for (var i = 0; i < subsentence.Length; i++)
{
// Read each word of the sub-sentence
// by their indexes
subsentence[i] = wordlist[br.ReadInt32( )];
}
chain.SubSentences[word].Add(subsentence);
}
}
for (var i = 0; i < wordlist.Length; i++)
{
wordlist[i] = null;
}
wordlist = null;
return(chain);
}
}