static void Main() //入口方法
{
Car c = new BM(); //创建BM对象
c.Name = "宝马"; //为Name字段赋值
c.Color = "红色"; //为Color属性赋值
c.show(); //执行show()方法
c.Run(); //执行Run()方法
c.Stop(); //执行Stop()方法
System.Console.ReadLine(); //等待回车继续
}
static void Main(string[] args)
{
Logger.WriteLine("String Pattern Matching");
// Variable to hold whether or not to continue the program after each termination
string keepPlaying;
// Loop while the user wants to continue
do
{
// Get user input of text, pattern, and which algorithm to run
var(text, pattern, algorithm) = GetUserInput();
// Run one algorithm if user did not specify to run all
if (algorithm != "all" && algorithm != "ALL")
{
// Get the index and comparisons based on which algorithm the user chose
var(index, comparisons) = algorithm switch
{
var x when x == "BF" || x == "bf" => BruteForce.Run(text, pattern),
var y when y == "BMH" || y == "bmh" => BMH.Run(text, pattern),
var z when z == "BM" || z == "bm" => BM.Run(text, pattern),
_ => throw new Exception("Invalid algorithm string"),
};
// If the pattern was not found
if (index == -1)
{
Logger.Write("\nPattern was not found in the given text. ");
}
// Else the pattern was found
else
{
Logger.Write($"\nPattern was found at index {index}. ");
}
Logger.WriteLine($"There were {comparisons} comparisons made.");
}
else
{
// Get the index and comparisons from all algorithms
var(indexBF, comparisonsBF) = BruteForce.Run(text, pattern);
var(indexBMH, comparisonsBMH) = BMH.Run(text, pattern);
var(indexBM, comparisonsBM) = BM.Run(text, pattern);
// All algorithms should return the same index so we only need to use indexBF
// If pattern was not found
if (indexBF == -1)
{
Logger.WriteLine("\nPattern was not found in the given text. ");
}
// Else pattern was found
else
{
Logger.WriteLine($"\nPattern was found at index {indexBF}. ");
}
Logger.WriteLine($"There were {comparisonsBF} comparisons made by the Brute Force Algorithm.");
Logger.WriteLine($"There were {comparisonsBMH} comparisons made by the Boyer-Moore-Horspool Algorithm.");
Logger.WriteLine($"There were {comparisonsBM} comparisons made by the Boyer-Moore Algorithm.");
}
// Loop until valid input of y/n
do
{
Logger.WriteLine("\nWould you like to repeat program? y/n ");
keepPlaying = Logger.ReadLine();
}while (keepPlaying != "y" && keepPlaying != "Y" && keepPlaying != "n" && keepPlaying != "N");
Logger.WriteLine();
}while (keepPlaying == "y" || keepPlaying == "Y");
Logger.LogToFile();
Console.WriteLine("\nLog outputted to logs/ directory.");
Console.WriteLine("\nPress enter to exit...");
Console.ReadLine();
}
