/// <summary>
/// Read the specified text file and return its contents as a block of element characters.
/// </summary>
/// <param name="psFile">Text file specification.</param>
/// <returns>Entire file contents as a block of element characters.</returns>
public override Block Read(string psFile)
{
StreamReader oSr;
string sContents = string.Empty;
ElementChar[] aElementChars = null;
try
{
if (File.Exists(psFile))
{
oSr = new StreamReader(psFile);
sContents = oSr.ReadToEnd();
oSr.Close();
}
else
{
sContents = string.Empty;
}
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine(e.ToString());
}
aElementChars = new ElementChar[sContents.Length];
char[] aCharacters = sContents.ToCharArray();
for (int nCount = 0; nCount < aCharacters.Length; nCount++)
{
aElementChars[nCount] = new ElementChar(aCharacters[nCount]);
}
BlockOfCharacters oBlock = new BlockOfCharacters(aElementChars);
return(oBlock);
}
/// <summary>
/// Return the contents of this block as a block of characters.
/// </summary>
/// <returns>Block of characters.</returns>
public virtual BlockOfCharacters GetCharacters()
{
long nLength = 0;
for (long nLine = 0; nLine < Elements.Length; nLine++)
{
ElementLine oLine = new ElementLine(Elements[nLine].Contents.ToString());
nLength += oLine.Contents.ToString().Length + 1;
}
long nIndex = 0;
ElementChar[] aElements = new ElementChar[nLength];
for (long nLine = 0; nLine < Elements.Length; nLine++)
{
ElementLine oLine = new ElementLine(Elements[nLine].Contents.ToString());
ElementChar oElement = null;
char[] aContents = oLine.Contents.ToString().ToCharArray();
for (int nPos = 0; nPos < aContents.Length; nPos++)
{
oElement = new ElementChar(aContents[nPos]);
aElements[nIndex] = oElement;
nIndex++;
}
oElement = new ElementChar('\n');
aElements[nIndex] = oElement;
}
BlockOfCharacters oBlock = new BlockOfCharacters(aElements);
return(oBlock);
}
/// <summary>
/// Check if both elements are equal.
/// </summary>
/// <param name="poElement1">Left hand side operand element to compare.</param>
/// <param name="poElement2">Right hand side operand element to compare.</param>
/// <returns>True if equal, false otherwise.</returns>
private static bool AreEqual(ElementChar poElement1, ElementChar poElement2)
{
bool bEqual = false;
if ((char)poElement1.Contents == (char)poElement2.Contents)
{
bEqual = true;
}
else
{
bEqual = false;
}
return(bEqual);
}