BrychanD/159.341_Assignment_1
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Fixed bad command continued parsing (Closes #1)

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Brychan Dempsey 2021-03-15 13:46:54 +13:00
parent bd644fdef3
commit 482ecc6468
1 changed files with 15 additions and 2 deletions
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17
Assignment 1/Program.cs
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@ -77,7 +77,8 @@ namespace Assignment_1
printwordcount, printwordcount,
set, set,
reverse, reverse,
h h,
writeout
} }
public void StartParsing(Stream source, bool dynamicInput = false) public void StartParsing(Stream source, bool dynamicInput = false)
{ {
@ -97,6 +98,7 @@ namespace Assignment_1
// parse the statement or list of statements; // parse the statement or list of statements;
// This is done by reading the next word // This is done by reading the next word
SkipWhitespace(source); SkipWhitespace(source);
long initPos = source.Position;
long position = FindNextWord(source, out string word); long position = FindNextWord(source, out string word);
object statementType; object statementType;
if (Enum.TryParse(typeof(statements), word, out statementType)) if (Enum.TryParse(typeof(statements), word, out statementType))
@ -138,9 +140,20 @@ namespace Assignment_1
Console.WriteLine("\t{0}", ((statements)item).ToString()); Console.WriteLine("\t{0}", ((statements)item).ToString());
} }
break; break;
case statements.writeout:
// Writes the full command history to the stream.
Console.WriteLine("Writing input commands to {0}...");
break;
} }
} }
else Console.WriteLine("Failed parsing statement"); else
{
// Statement parse failed,
// Ensure stream gets trimmed back to the correct position
Console.WriteLine("Failed parsing statement");
source.Position = initPos;
source.SetLength(initPos);
}
} }
} }