D-binding: more work on the rendering, removed unneeded functions, changed various other things

d/include/psyc/common.d

@@ -11,11 +11,15 @@ const EPOCH = 1440444041;      // 2015-08-24 21:20:41 CET (Monday)
 
 extern (C):
 
-enum Bool
+/+enum Bool
 {
 	FALSE = 0,
 	TRUE = 1,
-}
+}+/
+
+alias bool Bool;
+static const FALSE = false;
+static const TRUE  = true;
 
 /**
  * PSYC packet parts.
@@ -73,7 +77,7 @@ struct String
 	ubyte *ptr;
 }+/
 
-alias char[] String;
+alias ubyte[] String;
 
 struct MatchVar
 {
@@ -93,9 +97,12 @@ extern (C) MatchVar varTypes[];
 /**
  * Get the type of variable name.
  */
-Bool psyc_isRoutingVar(char *name, size_t len);
+Bool psyc_isRoutingVar (char[]* name);
 
-alias psyc_isRoutingVar isRoutingVar;
+bool isRoutingVar (char[] name)
+{
+	return psyc_isRoutingVar(&name);
+}
 
 /**
  * Get the type of variable name.

d/include/psyc/packet.d

@@ -6,8 +6,9 @@ module psyc.packet;
 
 import psyc.common;
 import psyc.syntax;
+import psyc.render;
 
-
+import tango.stdc.string : memchr;
 extern (C):
 
 /** Modifier flags. */
@@ -49,11 +50,17 @@ enum PacketFlag
 struct Modifier
 {
 	char operator;
-	String name;
+	char[] name;
 	String value;
 	ModifierFlag flag;
 	
-	static Modifier opCall ( char op, char[] nam, char[] val )
+	static Modifier opCall ( char op, char[] nam, char[] val, 
+	                         ModifierFlag flg = ModifierFlag.CHECK_LENGTH )
+	{
+		return opCall(op, nam, cast(ubyte[])val, flg);
+	}
+	static Modifier opCall ( char op, char[] nam, ubyte[] val, 
+	                         ModifierFlag flg = ModifierFlag.CHECK_LENGTH )
 	{
 		Modifier v;
 
@@ -62,11 +69,18 @@ struct Modifier
 			operator = op;
 			name     = nam;
 			value    = val;
+			flag     = (flg == ModifierFlag.CHECK_LENGTH) ?
+			           checkLength(val) : flg;
 		}
 
 		return v;
 	}
 	
+	char[] valuestr ( )
+	{
+		return cast(char[]) value;
+	}
+
 	bool opEquals ( ref Modifier n )
 	{
 		return operator == n.operator &&
@@ -79,17 +93,29 @@ struct Modifier
 		auto v = M(operator, name.dup, value.dup);
 		return v;
 	}
+	
+	size_t length ( )
+	{
+		return psyc_getModifierLength (this);
+	}
+
+	private ModifierFlag checkLength ( ubyte[] value )
+	{
+		ModifierFlag flag;
+
+		if (value.length > PSYC_MODIFIER_SIZE_THRESHOLD)
+			flag = ModifierFlag.NEED_LENGTH;
+		else if (memchr(value.ptr, cast(int)'\n', value.length))
+			flag = ModifierFlag.NEED_LENGTH;
+		else
+			flag = ModifierFlag.NO_LENGTH;
+
+		return flag;
+	}
 };
 
 alias Modifier M;
 
-/** Structure for an entity or routing header. */
-struct Header
-{
-	size_t lines;
-	Modifier *modifiers;
-} ;
-
 /** Structure for a list. */
 struct List
 {
@@ -102,66 +128,68 @@ struct List
 /** intermediate struct for a PSYC packet */
 struct Packet
 {
-	Header routing;	///< Routing header.
+	Modifier[] routing;	///< Routing header.
-	Header entity;	///< Entity header.
+	Modifier[] entity;	///< Entity header.
 	String method; ///< Contains the method.
 	String data; ///< Contains the data.
 	String content; ///< Contains the whole content.
 	size_t routingLength;	///< Length of routing part.
 	size_t contentLength;	///< Length of content part.
-	size_t length;		///< Total length of packet.
+	size_t _length;		///< Total length of packet.
 	PacketFlag flag; ///< Packet flag.
+	
+	static Packet opCall (Modifier[] routing, Modifier[] entity,
+                        char[] method, ubyte[] data,
+                        PacketFlag flag = PacketFlag.CHECK_LENGTH)
+	{
+		return psyc_newPacket (&routing, &entity, cast(ubyte[]*)&method, &data, flag);
+	}
+
+	static Packet opCall (Modifier[] routing, ubyte[] content,
+	                      PacketFlag flag = PacketFlag.CHECK_LENGTH)
+	{
+		return psyc_newRawPacket (&routing, &content, flag);
+	}
+
+	size_t length ( )
+	{
+		psyc_setPacketLength(this);
+		return this._length;
+	}
+
+	ubyte[] render ( ubyte[] buffer )
+	{
+		psyc_setPacketLength(this);
+
+		with (RenderRC) 
+			switch (psyc_render(this, buffer.ptr, buffer.length))
+			{
+				case ERROR_METHOD_MISSING:
+					throw new Exception("Method missing");
+					break;
+					
+				case ERROR_MODIFIER_NAME_MISSING:
+					throw new Exception("Modifier name missing");
+					break;
+					
+				case ERROR:
+					throw new Exception("Buffer to small");
+					break;
+					
+				case SUCCESS:
+					return buffer[0 .. this._length];
+
+				default:
+					throw new Exception("Unknown Return Code");
+			}
+	}
 };
 
-/**
- * \internal
- * Check if a modifier needs length.
- */
-
-ModifierFlag psyc_checkModifierLength (Modifier *m)
-{
-	ModifierFlag flag;
-
-	if (m->value.length > PSYC_MODIFIER_SIZE_THRESHOLD)
-		flag = ModifierFlag.NEED_LENGTH;
-	else if (memchr(m->value.ptr, (int)'\n', m->value.length))
-		flag = ModifierFlag.NEED_LENGTH;
-	else
-		flag = ModifierFlag.NO_LENGTH;
-
-	return flag;
-}
-
-/** Create new modifier. */
-
-Modifier psyc_newModifier (char oper, String *name, String *value,
-                               ModifierFlag flag)
-{
-	Modifier m = {oper, *name, *value, flag};
-
-	if (flag == ModifierFlag.CHECK_LENGTH) // find out if it needs a length
-		m.flag = psyc_checkModifierLength(&m);
-
-	return m;
-}
-
-/** Create new modifier */
-Modifier psyc_newModifier2 (char oper,
-                                char *name, size_t namelen,
-                                char *value, size_t valuelen,
-                                ModifierFlag flag)
-{
-	String n = {namelen, name};
-	String v = {valuelen, value};
-
-	return psyc_newModifier(oper, &n, &v, flag);
-}
 
 /**
  * \internal
- * Get the total length of a modifier when rendered.
  */
-size_t psyc_getModifierLength (Modifier *m);
+private size_t psyc_getModifierLength (Modifier *m);
 
 /**
  * \internal
@@ -184,17 +212,20 @@ PacketFlag psyc_checkPacketLength (Packet *p);
 /**
  * Calculate and set the rendered length of packet parts and total packet length.
  */
-size_t psyc_setPacketLength (Packet *p);
+private size_t psyc_setPacketLength (Packet *p);
 
 /** Create new list. */
 List psyc_newList (String *elems, size_t num_elems, ListFlag flag);
 
 /** Create new packet. */
-Packet psyc_newPacket (Header *routing,
+private Packet psyc_newPacket (Modifier[]* routing,
-                           Header *entity,
+                               Modifier[]* entity,
                                String *method, String *data,
                                PacketFlag flag);
 
+
+
+
 /** Create new packet. */
 Packet psyc_newPacket2 (Modifier *routing, size_t routinglen,
                         Modifier *entity, size_t entitylen,
@@ -203,7 +234,7 @@ Packet psyc_newPacket2 (Modifier *routing, size_t routinglen,
                         PacketFlag flag);
 
 /** Create new packet with raw content. */
-Packet psyc_newRawPacket (Header *routing, String *content,
+Packet psyc_newRawPacket (Modifier[] *routing, ubyte[] *content,
                               PacketFlag flag);
 
 /** Create new packet with raw content. */

d/include/psyc/parse.d

@@ -141,6 +141,24 @@ struct ParseState
 		return inst;
 	}
 
+	/**
+	 * Parse PSYC packets.
+	 *
+	 * Generalized line-based packet parser.
+	 *
+	 * Params:
+	 * 	oper  = A reference to a character. In case of a variable, it will
+	 *          be set to the operator of that variable
+	 * 	name  = A reference to a String. It will point to the name of
+	 *          the variable or method and its length will be set accordingly
+	 * 	value = A reference to a String. It will point to the
+	 *          value/body the variable/method and its length will be set accordingly
+	 */
+	ParseRC parse ( ref char oper, ref char[] name, ref ubyte[] value )
+	{
+		return psyc_parse(this, &oper, cast(String*) &name, cast(String*) &value);
+	}
+	
 	/**
 	 * Parse PSYC packets.
 	 *
@@ -175,7 +193,7 @@ struct ParseState
 		if (this.flags & ParseFlag.START_AT_CONTENT)
 		{
 			this.contentLength      = buffer.length;
-			this.contentLengthFound = Bool.TRUE;
+			this.contentLengthFound = TRUE;
 		}
 	}
 
@@ -187,23 +205,11 @@ struct ParseState
 	 * 
 	 * See_Also: String
 	 */
-	void setParseBuffer ( ubyte[] buffer )
+	void setParseBuffer ( char[] buffer )
 	{
 		this.setParseBuffer(*(cast(String*) &buffer));
 	}
 
-	/**
-	 * Sets a new buffer in the parser state struct with data to be parsed.
-	 *
-	 * Params:
-	 * 	buffer = pointer to the buffer that should be parsed now
-	 * 	length = length of the buffer
-	 */
-	void setParseBuffer ( ubyte* buffer, size_t length )
-	{
-		this.setParseBuffer(String(length, cast(ubyte*)buffer));
-	}
-
 	size_t getContentLength ( )
 	{
 		return this.contentLength;
@@ -211,7 +217,7 @@ struct ParseState
 
 	bool isContentLengthFound ( )
 	{
-		return this.contentLengthFound == Bool.TRUE;
+		return this.contentLengthFound == TRUE;
 	}
 
 	size_t getValueLength ( )
@@ -221,7 +227,7 @@ struct ParseState
 
 	bool isValueLengthFound ( )
 	{
-		return this.valueLengthFound == Bool.TRUE;
+		return this.valueLengthFound == true;
 	}
 
 	size_t getCursor ( )
@@ -241,13 +247,13 @@ struct ParseState
 
 	ubyte* getRemainingBuffer ( )
 	{
-		return this.buffer.ptr + this.cursor;
+		return cast(ubyte*)this.buffer.ptr + this.cursor;
 	}
 
 	void getRemainingBuffer ( ref ubyte[] buf )
 	{
 
-		buf = this.buffer.ptr[cursor .. cursor + getRemainingLength()];
+		buf = cast(ubyte[])this.buffer.ptr[cursor .. cursor + getRemainingLength()];
 	}
 
 }
@@ -283,22 +289,10 @@ struct ParseListState
 	 * Params:
 	 * 	buffer = the buffer to be parsed
 	 */
-	void setBuffer ( ubyte[] buffer )
+	void setBuffer ( char[] buffer )
 	{
 		this.setBuffer(*(cast(String*) &buffer));
 	}
-
-	/**
-	 * Sets a new buffer with data to be parsed
-	 *
-	 * Params:
-	 * 	buffer = pointer to the buffer to be parsed
-	 * 	length = size of the buffer
-	 */
-	void setBuffer ( ubyte* buffer, size_t length )
-	{
-		this.setBuffer(String(length, buffer));
-	}
 }
 
 private:

d/include/psyc/render.d

@@ -51,10 +51,10 @@ enum RenderListRC
  * @see psyc_newRawPacket2
  * @see psyc_setPacketLength
  */
-RenderRC psyc_render (Packet *packet, char *buffer, size_t buflen);
+RenderRC psyc_render (Packet *packet, ubyte *buffer, size_t buflen);
 
 /**
  * Render a PSYC list into a buffer.
  */
-RenderListRC psyc_renderList (List *list, char *buffer, size_t buflen);
+RenderListRC psyc_renderList (List *list, ubyte *buffer, size_t buflen);
 

d/include/psyc/syntax.d

@@ -3,7 +3,7 @@ module psyc.syntax;
 const PSYC_LIST_SIZE_LIMIT = 404;
 
 /* beyond this a content length must be provided */
-const = PSYC_CONTENT_SIZE_THRESHOLD = 444;
+const PSYC_CONTENT_SIZE_THRESHOLD = 444;
 
 /* beyond this a modifier value length must be provided */
 const PSYC_MODIFIER_SIZE_THRESHOLD = 404;