X-Git-Url: http://git.tdb.fi/?p=poefilter.git;a=blobdiff_plain;f=source%2Fcondition.cpp;h=1ff316c361f76f51d6f0c13db000cd21a4b621f1;hp=4d00b6c7a75a3c183aca2367fb474deb04615108;hb=746329e61ac9f26962af740b0b11dee716803521;hpb=3169efbcaa882c427d9cc1bbb6dbd187efe98f45

diff --git a/source/condition.cpp b/source/condition.cpp
index 4d00b6c..1ff316c 100644
--- a/source/condition.cpp
+++ b/source/condition.cpp
@@ -18,14 +18,16 @@ void CompoundCondition::clone_to(CompoundCondition &other) const
 
 void CompoundCondition::add(Condition *cond)
 {
+	if(!cond)
+		throw invalid_argument("CompoundCondition::add");
 	conditions.push_back(cond);
 }
 
-const Condition *CompoundCondition::get(unsigned i) const
+const Condition &CompoundCondition::get(unsigned i) const
 {
 	if(i>=conditions.size())
 		throw out_of_range("CompoundCondition::get");
-	return conditions[i];
+	return *conditions[i];
 }
 
 Condition *CompoundCondition::flatten() const
@@ -40,7 +42,10 @@ Condition *CompoundCondition::flatten() const
 		merge = conditions.front()->can_merge(**i, *this);
 
 	if(merge)
-		return conditions.front()->merge(conditions, *this);
+	{
+		vector<const Condition *> merge_conds(conditions.begin(), conditions.end());
+		return conditions.front()->merge(merge_conds, *this);
+	}
 	else
 	{
 		Condition *result = 0;
@@ -97,10 +102,9 @@ Condition *CompoundCondition::dispatch_flatten(Condition *cond1, Condition *cond
 
 Condition *CompoundCondition::merge_two(Condition *cond1, Condition *cond2, bool del) const
 {
-	vector<Condition *> parts;
-	parts.reserve(2);
-	parts.push_back(cond1);
-	parts.push_back(cond2);
+	vector<const Condition *> parts(2);
+	parts[0] = cond1;
+	parts[1] = cond2;
 	Condition *result = cond1->merge(parts, *this);
 
 	if(del)
@@ -193,7 +197,7 @@ Condition *AndCondition::flatten(OrCondition *cond1, Condition *cond2) const
 	OrCondition *result = new OrCondition;
 	unsigned count = cond1->count();
 	for(unsigned i=0; i<count; ++i)
-		if(Condition *sub = dispatch_flatten(cond1->get(i)->clone(), (i+1<count ? cond2->clone() : cond2)))
+		if(Condition *sub = dispatch_flatten(cond1->get(i).clone(), (i+1<count ? cond2->clone() : cond2)))
 			result->add(sub);
 	delete cond1;
 
@@ -216,7 +220,7 @@ Condition *AndCondition::flatten(OrCondition *cond1, OrCondition *cond2) const
 	OrCondition *result = new OrCondition;
 	for(unsigned i=0; i<count1; ++i)
 		for(unsigned j=0; j<count2; ++j)
-			if(Condition *sub = dispatch_flatten(cond1->get(i)->clone(), cond2->get(j)->clone()))
+			if(Condition *sub = dispatch_flatten(cond1->get(i).clone(), cond2->get(j).clone()))
 				result->add(sub);
 
 	delete cond1;