From 965c09147c8f87e4ed6ece46b9d54e612e35cf11 Mon Sep 17 00:00:00 2001
From: Rainer Gerhards <rgerhards@adiscon.com>
Date: Sun, 24 Feb 2008 17:53:16 +0000
Subject: - added some thoughts on RainerScript - worked a bit on conversion
 functions

---
 var.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 48 insertions(+), 12 deletions(-)

(limited to 'var.c')

diff --git a/var.c b/var.c
index 1f4ed1cb..6910986e 100644
--- a/var.c
+++ b/var.c
@@ -148,23 +148,50 @@ finalize_it:
  * conversion request on the unchanged object is guaranteed to succeed.
  * rgerhards, 2008-02-22
  */
-int canConvToNumber(var_t *pThis)
+rsRetVal
+ConvToNumber(var_t *pThis)
 {
-	int ret = 0;
-
-	BEGINfunc
+	DEFiRet;
+	number_t n;
 
 	if(pThis->varType == VARTYPE_NUMBER) {
-		ret = 1;
+		FINALIZE;
 	} else if(pThis->varType == VARTYPE_STR) {
-		ret = rsCStrCanConvertToNumber(pThis->val.pStr); // TODO: implement the same method in str_t object, then call that */
+		CHKiRet(rsCStrConvertToNumber(pThis->val.pStr, &n));
+		pThis->val.num = n;
+		pThis->varType = VARTYPE_NUMBER;
 	}
 
-	ENDfunc
-	return ret;
+finalize_it:
+	RETiRet;
 }
 
 
+/* convert the provided var to type string. This is always possible
+ * (except, of course, for things like out of memory...)
+ * TODO: finish implementation!!!!!!!!!
+ * rgerhards, 2008-02-24
+ */
+rsRetVal
+ConvToString(var_t *pThis)
+{
+	DEFiRet;
+
+	if(pThis->varType == VARTYPE_STR) {
+		FINALIZE;
+	} else if(pThis->varType == VARTYPE_NUMBER) {
+		//CHKiRet(rsCStrConvertToNumber(pThis->val.pStr, &n));
+		//pThis->val.num = n;
+		// TODO: ADD CODE!!!!
+		pThis->varType = VARTYPE_STR;
+	}
+
+finalize_it:
+	RETiRet;
+}
+
+
+
 /* This function is used to prepare two var_t objects for a common operation,
  * e.g before they are added, multiplied or compared. The function looks at
  * the data types of both operands and finds the best data type suitable for
@@ -217,11 +244,16 @@ ConvForOperation(var_t *pThis, var_t *pOther)
 					ABORT_FINALIZE(RS_RET_INVALID_VAR);
 					break;
 				case VARTYPE_STR:
-					commonType = VARTYPE_STR;
+					/* two strings, we are all set */
 					break;
 				case VARTYPE_NUMBER:
 					/* check if we can convert pThis to a number, if so use number format. */
-					commonType = canConvToNumber(pThis) ? VARTYPE_NUMBER : VARTYPE_STR;
+					iRet = ConvToNumber(pThis);
+					if(iRet != RS_RET_NOT_A_NUMBER) {
+						CHKiRet(ConvToString(pOther));
+					} else {
+						FINALIZE; /* OK or error */
+					}
 					break;
 				case VARTYPE_SYSLOGTIME:
 					ABORT_FINALIZE(RS_RET_NOT_IMPLEMENTED);
@@ -234,8 +266,12 @@ ConvForOperation(var_t *pThis, var_t *pOther)
 					ABORT_FINALIZE(RS_RET_INVALID_VAR);
 					break;
 				case VARTYPE_STR:
-					/* check if we can convert pOther to a number, if so use number format. */
-					commonType = canConvToNumber(pOther) ? VARTYPE_NUMBER : VARTYPE_STR;
+					iRet = ConvToNumber(pOther);
+					if(iRet != RS_RET_NOT_A_NUMBER) {
+						CHKiRet(ConvToString(pThis));
+					} else {
+						FINALIZE; /* OK or error */
+					}
 					break;
 				case VARTYPE_NUMBER:
 					commonType = VARTYPE_NUMBER;
-- 
cgit