/// <summary>
/// Parse the given line.
/// </summary>
/// <param name="line">The line to parse.</param>
/// <returns>The parsed probability.</returns>
public ParsedProbability Parse(String line)
{
ParsedProbability result = new ParsedProbability();
SimpleParser parser = new SimpleParser(line);
parser.EatWhiteSpace();
if (!parser.LookAhead("P(", true))
{
throw new EncogError("Bayes table lines must start with P(");
}
parser.Advance(2);
// handle base
AddEvents(parser, result.BaseEvents, "|,)=[]");
// handle conditions
if (parser.Peek() == '|')
{
parser.Advance();
AddEvents(parser, result.GivenEvents, ",)=[]");
}
if (parser.Peek() != ')')
{
throw new BayesianError("Probability not properly terminated.");
}
return(result);
}
/// <summary>
/// Parse a probability list.
/// </summary>
/// <param name="network">The network to parse for.</param>
/// <param name="line">The line to parse.</param>
/// <returns>The parsed list.</returns>
public static IList <ParsedProbability> ParseProbabilityList(BayesianNetwork network, String line)
{
IList <ParsedProbability> result = new List <ParsedProbability>();
StringBuilder prob = new StringBuilder();
for (int i = 0; i < line.Length; i++)
{
char ch = line[i];
if (ch == ')')
{
prob.Append(ch);
ParseProbability parse = new ParseProbability(network);
ParsedProbability parsedProbability = parse.Parse(prob.ToString());
result.Add(parsedProbability);
prob.Length = 0;
}
else
{
prob.Append(ch);
}
}
return(result);
}
/// <summary>
/// Parse the given line.
/// </summary>
/// <param name="line">The line to parse.</param>
/// <returns>The parsed probability.</returns>
public ParsedProbability Parse(String line)
{
ParsedProbability result = new ParsedProbability();
SimpleParser parser = new SimpleParser(line);
parser.EatWhiteSpace();
if (!parser.LookAhead("P(", true))
{
throw new EncogError("Bayes table lines must start with P(");
}
parser.Advance(2);
// handle base
AddEvents(parser, result.BaseEvents, "|,)=[]");
// handle conditions
if (parser.Peek() == '|')
{
parser.Advance();
AddEvents(parser, result.GivenEvents, ",)=[]");
}
if (parser.Peek() != ')')
{
throw new BayesianError("Probability not properly terminated.");
}
return result;
}
