private bool CheckForInstructions( int CurrentLine, XmlDocument Dictionary)
{
XmlNodeList instructions = Dictionary.SelectNodes("//conversion_library//conversion_rules//instructions//instruction//old_instruction");
class_types.Instruction_and_Argument old_code,new_code;
class_types.IL_CodeLine codeline = new class_types.IL_CodeLine();
class_types.CodeResult comments_operation = new class_types.CodeResult();
string comment_marker_start =Dictionary.SelectSingleNode("//conversion_library//conversion_rules//comment_markers//start").InnerText;
string comment_marker_end = Dictionary.SelectSingleNode("//conversion_library//conversion_rules//comment_markers//end").InnerText;
bool success=true;
new_code.argument = "";
new_code.instruction = "";
comments_operation = RemoveComment(InCode.ElementAt(CurrentLine), comment_marker_start, comment_marker_end);
//check for comments only line
if (comments_operation.code == "")
{
codeline.code = "";
codeline.comment = comments_operation.comment;
IL_file.codelines.AddLast(codeline);
}
else //line with code
{
for (int i = 0; i < instructions.Count; i++)
{
//-----------Remove comments--------------------------------
comments_operation = RemoveComment(InCode.ElementAt(CurrentLine), comment_marker_start, comment_marker_end);
if (comments_operation.success == false)
{
success = false;
break;
}
old_code = SeparateInstFromArg(comments_operation.code);
XmlNodeList current_instruction = instructions.Item(i).ParentNode.ChildNodes;
//-------------End remove comments-------------------------------
//old now has the old line, separated by current "instruction" and the tail
if (CompareWithIgnores(instructions.Item(i).InnerText,old_code.instruction))
{
codeline.code = "";
codeline.comment = comments_operation.comment;//new line has comments only
//************************************************OUTCOME WRITER*******************************************
new_code = SeparateInstFromArg(GetXmlNodeValueByTag(current_instruction, "outcome"));
while (new_code.instruction != "")
{
//check for literal i.e. "
if (System.Text.Encoding.UTF8.GetBytes(new_code.instruction)[0] == 34 && System.Text.Encoding.UTF8.GetBytes(new_code.instruction)[System.Text.Encoding.UTF8.GetBytes(new_code.instruction).Length - 1] == 34)
{
new_code.instruction = new_code.instruction.Substring(1);
new_code.instruction = new_code.instruction.Substring(0, new_code.instruction.Length - 1);
codeline.code += new_code.instruction;
new_code = SeparateInstFromArg(new_code.argument);
}
else
{
switch (new_code.instruction)
{
case "instruction":
codeline.code += " " + GetXmlNodeValueByTag(current_instruction, "new_instruction");
new_code = SeparateInstFromArg(new_code.argument);
break;
case "argument":
codeline.code += " " + ReplaceIllegalChars(old_code.argument);
new_code = SeparateInstFromArg(new_code.argument);
break;
case "old_instruction":
codeline.code += " "+ old_code.instruction;
new_code = SeparateInstFromArg(new_code.argument);
break;
}
}
}
//add written line
if ((codeline.code != "" || codeline.comment != "") && new_code.instruction == "")
{
if (codeline.code.Length > 0 && codeline.code.Substring(0, 1) == " ")//clear first space, if there is one (typical)
codeline.code = codeline.code.Substring(1);
IL_file.codelines.AddLast(codeline);
}
//*******************************************************************************************************
//***************************************************RULES***********************************************************
LinkedList<string> rules = new LinkedList<string>();
rules = GetXmlNodeValuesByTag(current_instruction, "rules");
for (int j = 0; j < rules.Count; j++)
{
new_code.argument = "";
new_code.instruction = "";
new_code = SeparateInstFromArg(rules.ElementAt(j));
CheckForRules(CurrentLine, Dictionary, current_instruction, old_code, new_code);
}
}
}
}
return success;
}
//remove comment function
class_types.CodeResult RemoveComment(string line, string comment_marker_start,string comment_marker_end)
{
class_types.CodeResult result=new class_types.CodeResult();
result.code = line;
result.comment = "";
if (!(line == ""))
{
if (line.Contains(comment_marker_start))
{
if (comment_marker_end=="EOL")
{
result.comment = line.Substring(line.IndexOf(comment_marker_start) + comment_marker_start.Length);
if (line.IndexOf(comment_marker_start) != 0)
result.code = line.Substring(0, line.IndexOf(comment_marker_start));
else
result.code = "";
result.success = true;
}
else
{
if (line.Contains(comment_marker_end))
{
result.comment = line.Substring(line.IndexOf(comment_marker_start) + comment_marker_start.Length, line.IndexOf(comment_marker_end) - line.IndexOf(comment_marker_start) - comment_marker_start.Length);
result.code = line.Substring(0, line.IndexOf(comment_marker_start) - 1) + line.Substring(line.IndexOf(comment_marker_end) + comment_marker_end.Length);
result.success = true;
}
else
{
result.success = false; //TODO make this abort
}
}
}
else
{
result.success = true;
}
}
else
{
result.success = false;
}
return result;
}