/// <summary>
/// Performs serialized search on pages that contain poem text, returns it in int array
/// </summary>
/// <returns>Returns a one dimensional int array of the text of the poems</returns>
public static int[] GetPoemsInVirtualMemory()
{
int[] startPoem = Common_Code.GetPoemStartPages();
var count = 0;
var temp = new List <int>();
NEXT_POEM:
if (count < startPoem.Length)
{
for (int page = startPoem[count]; page < Common_Code.virtualMemory.GetLength(0); page++)
{
for (int row = 0; row < Common_Code.virtualMemory.GetLength(1); row++)
{
for (int col = 0; col < Common_Code.virtualMemory.GetLength(2); col++)
{
if (Common_Code.virtualMemory[page, row, col] != Common_Code.virtualNull)
{
temp.Add(Common_Code.virtualMemory[page, row, col]);
}
else
{
count++;
goto NEXT_POEM;
}
}
}
}
}
return(temp.ToArray());
}
/// <summary>
/// Reads all three of the poems (TCOTLB.txt, RC.txt, GEAH.txt) in textDir (C:\devel\TFiles\)
/// </summary>
public static void PoemReader()
{
string poemOneFilePath = string.Format(Common_Code.textDir + Common_Code.theChargeOfTheLightBrigade);
string poemTwoFilePath = string.Format(Common_Code.textDir + Common_Code.richardCory);
string poemThreeFilePath = string.Format(Common_Code.textDir + Common_Code.greenEggsAndHam);
// Reverse array if it hasn't already been reversed
// Order before reverse: GEAH, RC, TCOTLB; After reverse: TCOTLB, RC, GEAH
// Since TCOTLB comes at page 10, and GEAH comes at page 400, it makes more sense to me reversed
if (textFiles[0] == (poemThreeFilePath))
{
Array.Reverse(textFiles);
}
// Test textFiles array elements to ensure they are the correct poems
try
{
if ((textFiles[0] != poemOneFilePath) || (textFiles[1] != poemTwoFilePath) || (textFiles[2] != poemThreeFilePath))
{
Console.WriteLine("{0}", missingFiles);
// Calls method to display "Press enter to continue..." prompt
Common_Code.DisplayFooter();
PoemReader();
}
}
// Spit out an error if the files are missing, then restart PoemReader method
catch (IndexOutOfRangeException e)
{
Console.WriteLine("{0}", e);
Console.WriteLine("{0}", missingFiles);
Common_Code.DisplayFooter();
PoemReader();
}
// Creates 3D virtualMemory array and initializes all locations to -99
Common_Code.VirtualMemoryInit();
// Declaring counters
int pageCount = 0;
int rowCount = 0;
int colCount = 0;
// Declare an int array so loop can tell at what page to start reading each poem
int[] startPoem = Common_Code.GetPoemStartPages();
// Main block for reading poems into memory
try
{
for (int poem = 0; poem <= startPoem.Length;)
{
using (StreamReader readPoem = new StreamReader(textFiles[poem]))
{
while (pageCount < maxPage)
{
// If pageCount is greater than or equal to array element designating appropriate starting page, assign to virtual memory
// Also checks if current startPoem value is not nilPage (already read)
if ((pageCount >= startPoem[poem]) && (colCount < maxCol) && (rowCount < maxRow) && (startPoem[poem] != nilPage))
{
// Assigns to virtualMemory integer array then reads it with (char) cast so they are written as characters
var currentChar = readPoem.Read();
if (currentChar != -1)
{
Common_Code.virtualMemory[pageCount, rowCount, colCount] = currentChar;
}
// If end of file is reached, set current poem to nilPage to designate it as already read, so it does not get read again
// Then, increment poem by 1 and break out of while loop so StreamReader can be set with next poem in textFiles array
if (currentChar == -1)
{
startPoem[poem] = nilPage;
++poem;
break;
}
}
// Increments to next element in the array
if ((colCount < maxCol) && (rowCount < maxRow))
{
++colCount;
}
else if (rowCount < maxRow)
{
++rowCount;
colCount = 0;
}
else if (rowCount == maxRow)
{
++pageCount;
rowCount = 0;
colCount = 0;
}
// Increments pageCount if nothing else is possible to get to the next poem
else if (pageCount <= startPoem[poem])
{
++pageCount;
}
}
// If poem was incremented so textFiles[poem] would be out of range, break out of for loop
if (poem >= textFiles.Length)
{
break;
}
}
}
}
// Catch exceptions from above try block and report some probably useful stuff
// Shouldn't be possible to reach in normal operation, but useful for debugging!
catch (Exception e)
{
Console.WriteLine("{0}", e);
Console.WriteLine("Page: {0}, Row: {1}, Col: {2}", pageCount, rowCount, colCount);
Console.WriteLine("virtualMemory.Length: {0}", Common_Code.virtualMemory.Length);
}
}
