} // public class GcodeItem
// init our GcodeHelper
public GcodeHelper(string item)
{
CaseSensitivity = false;
// item should be a single line of text, with no CR/LF
thisLine = item;
GcodeItems = new List <GcodeItem>();
bool FoundType = false;
bool FoundNonBlank = false;
bool CommentActive = false; // true when whe are in a parenthesis-delimmited comment "(like this)"
GcodeTokenTypes thisBlockType = GcodeTokenTypes.Gcode_Undefined;
string thisBlock = "";
GcodeTokenTypes thisTokenType = GcodeTokenTypes.Gcode_Undefined;
for (int i = 0; i < this.thisLine.Length; i++)
{
string priorChar = (i > 0)? thisLine.Substring(i - 1, 1) : "";
string thisChar = thisLine.Substring(i, 1);
string nextChar = (i < this.thisLine.Length - 1)? thisLine.Substring(i + 1, 1) : "";
if (thisChar != " " && thisChar != "/t")
{
FoundNonBlank = true;
}
// if a semicolon is encountered, the rest of the line is a comment
if (thisChar == ";")
{
if (thisBlock != "")
{
// if we have a prior block of text with a different highlight type, add it to the list before moving on
GcodeItems.Add(new GcodeItem(thisBlock, thisBlockType));
thisBlock = "";
}
thisBlock = thisLine.Substring(i);
GcodeItems.Add(new GcodeItem(thisBlock, GcodeTokenTypes.Gcode_Comment));
thisBlock = "";
break;
}
// lowercase "o"s are considered an o-code block for the rest of the line
if (thisChar == "o" && ((i == 0) || !FoundNonBlank))
{
if (thisBlock != "")
{
// if we have a prior block of text with a different highlight type, add it to the list before moving on
GcodeItems.Add(new GcodeItem(thisBlock, thisBlockType));
thisBlock = "";
}
thisBlock = thisLine.Substring(i);
GcodeItems.Add(new GcodeItem(thisBlock, GcodeTokenTypes.Gcode_ocode)); // little o's are "o-codes"
thisBlock = "";
break;
}
//
string thisTargetTypeName;
if (thisChar == "(")
{
if (thisBlock != "" && !CommentActive)
{
// if we have a prior block of text with a different highlight type, add it to the list before moving on
GcodeItems.Add(new GcodeItem(thisBlock, thisBlockType));
thisBlock = "";
}
CommentActive = true;
thisBlock += thisChar;
}
else if (thisChar == ")" && CommentActive)
{
thisBlock += thisChar;
if (CommentActive)
{
GcodeItems.Add(new GcodeItem(thisBlock, GcodeTokenTypes.Gcode_Comment));
thisBlock = "";
}
CommentActive = false;
}
else if (CommentActive)
{
thisBlock += thisChar;
}
else
{
switch (thisChar)
{
case "-":
case ".":
case "0":
case "1":
case "2":
case "3":
case "4":
case "5":
case "6":
case "7":
case "8":
case "9":
// thisTokenType = GcodeTokenTypes.numbers;
break;
case " ":
thisTokenType = GcodeTokenTypes.Gcode_Undefined;
break;
default:
// check to see if we are searching for a keyword type. Numbers and dashes are included.
if (!FoundType &&
(nextChar != "") && // apparently C# thinks an empty string is a number :/
(nextChar.All(char.IsNumber) || (nextChar == "-")))
{
thisTokenType = GcodeTokenTypes.Gcode_Undefined;
if (CaseSensitivity)
{
thisTargetTypeName = "Gcode_" + thisChar;
}
else
{
thisTargetTypeName = "Gcode_" + thisChar.ToUpper();
}
Enum.TryParse(thisTargetTypeName, out thisTokenType);
}
break;
}
// Get an enum item by string name (e.g. Gcode_A, Gcode_B, etc)
if (thisTokenType != GcodeTokenTypes.Gcode_Undefined)
{
if (!FoundType)
{
if (thisBlock != "")
{
// if we have a prior block of text with a different highlight type, add it to the list before moving on
GcodeItems.Add(new GcodeItem(thisBlock, thisBlockType));
thisBlock = "";
}
thisBlockType = thisTokenType; // once a token is found, subsequence chars will share the type. (e.g. the g-code "G" token, followed by numbers)
FoundType = true;
}
}
else
{
if (thisBlock != "")
{
// if we have a prior block of text with a different highlight type, add it to the list before moving on
GcodeItems.Add(new GcodeItem(thisBlock, thisBlockType));
thisBlock = "";
}
thisBlockType = GcodeTokenTypes.Gcode_Undefined;
FoundType = false;
}
thisBlock += thisChar;
}
}
// if there's anthing left over, append it (e.g. a type that
if (thisBlock != "")
{
GcodeItems.Add(new GcodeItem(thisBlock, thisBlockType));
}
}
public GcodeTokenTag(GcodeTokenTypes type)
{
this.type = type;
}
public GcodeItem(string itemtext, GcodeTokenTypes itemtype)
{
this.ItemText = itemtext;
this.ItemType = itemtype;
}
