From 01293d6ed7ce9f36b10419a3beb603bdfa791d0b Mon Sep 17 00:00:00 2001
From: Tyler Dauwalder <tylerdauwalder@nowhere.fake>
Date: Tue, 6 Aug 2002 08:32:27 +0000
Subject: [PATCH] + Added InitCheck() + Added Priority() + Added Sniff() +
 Replaced ExprList typedef with plain old std::vector<Expr*> so I wouldn't
 forget what the hell kind of list I was working with.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@607 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 headers/private/storage/sniffer/Rule.h | 13 +++++++++---
 src/kits/storage/sniffer/Rule.cpp      | 29 +++++++++++++++++++++++++-
 2 files changed, 38 insertions(+), 4 deletions(-)

diff --git a/headers/private/storage/sniffer/Rule.h b/headers/private/storage/sniffer/Rule.h
index b6f1235094..500ed5d1d0 100644
--- a/headers/private/storage/sniffer/Rule.h
+++ b/headers/private/storage/sniffer/Rule.h
@@ -9,25 +9,32 @@
 #ifndef _sk_sniffer_rule_h_
 #define _sk_sniffer_rule_h_
 
+#include <SupportDefs.h>
 #include <vector>
 
+class BPositionIO;
+
 namespace Sniffer {
 
 class Expr;
-typedef std::vector<Expr*> ExprList;
 
 class Rule {
 public:
 	Rule();
 	~Rule();
+	
+	status_t InitCheck() const;
+	
+	double Priority() const;	
+	bool Sniff(BPositionIO *data) const;	
 private:
 	friend class Parser;
 
 	void Unset();
-	void SetTo(double priority, ExprList* list);
+	void SetTo(double priority, std::vector<Expr*>* list);
 
 	double fPriority;
-	ExprList *fExprList;
+	std::vector<Expr*> *fExprList;
 };
 
 }
diff --git a/src/kits/storage/sniffer/Rule.cpp b/src/kits/storage/sniffer/Rule.cpp
index e558bfaafb..4a291c238f 100644
--- a/src/kits/storage/sniffer/Rule.cpp
+++ b/src/kits/storage/sniffer/Rule.cpp
@@ -7,7 +7,9 @@
 	MIME sniffer rule implementation
 */
 
+#include <sniffer/Expr.h>
 #include <sniffer/Rule.h>
+#include <DataIO.h>
 
 using namespace Sniffer;
 
@@ -21,6 +23,31 @@ Rule::~Rule() {
 	Unset();	
 }
 
+status_t
+Rule::InitCheck() const {
+	return fExprList ? B_OK : B_NO_INIT;
+}
+
+
+double
+Rule::Priority() const {
+	return fPriority;
+}
+
+bool
+Rule::Sniff(BPositionIO *data) const {
+	if (InitCheck() != B_OK)
+		return false;
+	else {
+		bool result = true;
+		std::vector<Expr*>::const_iterator i;
+		for (i = fExprList->begin(); i != fExprList->end(); i++) {
+			if (*i)
+				result &= (*i)->Sniff(data);		
+		}
+	}
+}
+
 void
 Rule::Unset() {
  	if (fExprList){
@@ -30,7 +57,7 @@ Rule::Unset() {
 }
 
 void
-Rule::SetTo(double priority, ExprList* list) {
+Rule::SetTo(double priority, std::vector<Expr*>* list) {
 	Unset();
 	fPriority = priority;
 	fExprList = list;