added flag for parsing header only

include/psyc/parser.h

@@ -1,13 +1,20 @@
 #include <stdint.h>
 #include <string.h>
 
-enum
+enum PSYC_Flags
+{
+	PSYC_HEADER_ONLY = 1
+};
+
+
+enum PSYC_ReturnCodes
 {
 	PSYC_SUCCESS = 0,
 	PSYC_INSUFFICIENT = 1,
 	PSYC_ROUTING = 2,
 	PSYC_ENTITY = 3,
 	PSYC_COMPLETE = 4,
+	PSYC_HEADER_COMPLETE = 5, 
 };
 
 
@@ -36,6 +43,12 @@ inline PSYC_Array PSYC_CreateArray (uint8_t* const memory, unsigned int length)
 	return arr;
 }
 
+inline void PSYC_initState2 (PSYC_State* state, uint8_t flags )
+{
+	memset(state, 0, sizeof(PSYC_State));
+	state->flags = flags;
+}
+
 inline void PSYC_initState (PSYC_State* state)
 {
 	memset(state, 0, sizeof(PSYC_State));

src/parser.c

@@ -50,6 +50,7 @@ inline int PSYC_parse(
 		PSYC_Array* name, PSYC_Array* value,
 		uint8_t* modifier, unsigned long* expectedBytes)
 {
+start:
 	/* first we test if we can access the first char */
 	if(state->buffer.length<=state->cursor) // cursor is not inside the length
 		return PSYC_INSUFFICIENT; // return insufficient data.
@@ -95,7 +96,10 @@ inline int PSYC_parse(
 			if(isAlphaNumeric(state->buffer.ptr[state->cursor]))
 			{
 				state->inHeader = 0;
-				return 2; // return header finished
+				if (state->flags & PSYC_HEADER_ONLY)
+					return PSYC_HEADER_COMPLETE; // return header finished
+				else
+					goto start;
 			}
 
 			if(state->buffer.ptr[state->cursor] == '|')
@@ -109,7 +113,7 @@ inline int PSYC_parse(
 				if(state->buffer.ptr[state->cursor]=='\n')
 				{
 					++(state->cursor);
-					return 3; // return packet finished
+					return PSYC_COMPLETE; // return packet finished
 				}
 			}
 			return -6; // report error
@@ -150,7 +154,7 @@ inline int PSYC_parse(
 				if(state->buffer.ptr[state->cursor]=='\n')
 				{
 					++(state->cursor);
-					return 3; // return packet finished
+					return PSYC_COMPLETE; // return packet finished
 				}
 			}
 			return -5; // report error
@@ -289,7 +293,7 @@ inline int PSYC_parse(
 							{
 								/* packet finishes here */
 								state->cursor+=3;
-								return 3;
+								return PSYC_COMPLETE;
 							}
 							
 					}
@@ -385,6 +389,6 @@ inline int PSYC_parse(
 		return -4;
 
 	state->cursor+=1;
-	return 3; // packet is complete
+	return PSYC_COMPLETE; // packet is complete
 }