Autopilot-Data-ParserOLD/src/CHeaderParser.java

/**
 * Jakob A. Oberbuchner April, 24, 2025
 */



import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Stack;

//

/**
 * 
 */
public class CHeaderParser {
	
	
	public static void main(String[] args) {
		
		C_Type type1 = C_Type.valueOfTypeName("struct");
		
		C_Type type2 = C_Type.valueOfTypeName("uint16_t");
		
		C_Type type3 = C_Type.valueOfTypeName("float");
		
		
		System.out.println(type1);
		System.out.println(type2);
		System.out.println(type3);
		
		
		
		
	}
	
	
	public static ArrayList<C_DataStructure> parseHeader(String file) {
		
		ArrayList<C_DataStructure> data = new ArrayList<C_DataStructure>();
		
		
		try {
			BufferedReader reader = new BufferedReader( new FileReader(file));
			
			Stack<C_DataStructure> structureStack = new Stack<C_DataStructure>();
			
			Stack<ParseState> stateStack = new Stack<ParseState>();
			
			String nextLine = null;
			
			while((nextLine = reader.readLine()) != null) {
				nextLine = nextLine.strip().replace("\t", "");
				
				//typedef enum { bps125K, bps250K, bps500K, bps1M } CANbps_t;
				//typedef struct config_s
				//uint8_t NumPackets; // 1-16 (determines how many Broadcast[x] are displayed)
				//} config_t;
				
				String[] tokens = nextLine.split(" ", 2); 
				if (tokens.length == 0) {
					continue; //nothing for us
				}
				
				
				for(int i = 0; i < tokens.length; i++) {
					String current = tokens[i];
					
					switch (stateStack.peek()) {
					case Looking:
					case null:
						//General, looking for next thing
						
						break;
					
					case OpenBracket:
						if (current == "{") {
							stateStack.pop();
//							stateStack.add(ParseState.Looking);
						} else {
							System.out.println("NOT open bracket BADDDD");
						}
						break;
						
					case CloseBracket:
						
						break;
						
					case EnumVariables:
						break;
						
					case Name:
						break;
						
					case Type:
						break;
					}
				}
				
				switch (tokens[0]) {
				case "{":
					
					break;
					
				case "}":
					
					break;
					
				default:
					C_Type type = C_Type.valueOfTypeName(tokens[0].strip());
					
					switch (type) {
					case Typedef:
						
					case Enum:
					case Struct:
//						structureStack.
						break;
						
					case null:
						
						break;
						
					default: //Any other type
						
					}
					
					if (type != null && tokens.length >= 2) {
						String name = tokens[1];
					}
				}
				
				
				
			}
			
			
			
			reader.close();
		} catch (IOException e) {
			System.out.println(e.getMessage());
		}
		
		
		
		
		
		
		
		return data;
	}//parseHeader
	
	
		
}



enum ParseState {
	Looking, Type, Name, OpenBracket, CloseBracket, EnumVariables
}






class C_DataStructure {
	private C_Type type;
	private String name;
	private String typedefName;
	private ArrayList<C_DataStructure> subStructures;
	
	
	public C_DataStructure( ) {
		this.type = null;
		this.name = null;
		this.typedefName = null;
		this.subStructures = new ArrayList<C_DataStructure>();
	}


	public C_Type getType() {
		return type;
	}

	public void setType(C_Type type) {
		this.type = type;
	}

	public String getName() {
		return (typedefName != null) ? typedefName : name;
	}

	public void setName(String name) {
		this.name = name;
	}
	
	public void setTypedefName(String name) {
		this.typedefName = name;
	}

	public void addSubStructure(C_DataStructure subStructure) {
		this.subStructures.add(subStructure);
	}
	
	
	
	
}




enum C_Type {
	Struct("struct"), Enum("enum"), Typedef("typedef"), 
	Int64("int64_t"), Int32("int32_t"), Int16("int16_t"), Int8("int8_t"),
	UInt64("uint64_t"), UInt32("uint32_t"), UInt16("uint16_t"), UInt8("uint8_t"),
	Float("float"), Double("double"); //Union
	
	public final String typeName;
	
    C_Type(String typeName) {
        this.typeName = typeName;
    }
	
    public static C_Type valueOfTypeName(String label) {
        for (C_Type e : values()) {
            if (e.typeName.equals(label)) {
                return e;
            }
        }
        return null;
    }
    

	public String toString( ) {
		return typeName;
	}
	
}