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-rw-r--r--src/cam/options.cpp24
-rw-r--r--src/cam/options.h4
2 files changed, 14 insertions, 14 deletions
diff --git a/src/cam/options.cpp b/src/cam/options.cpp
index 481ac189..6e0d802c 100644
--- a/src/cam/options.cpp
+++ b/src/cam/options.cpp
@@ -638,27 +638,27 @@ std::string OptionValue::toString() const
/**
* \brief Retrieve the value as a key-value list
- * \return The option value as a KeyValueParser::Options, or an empty list if
- * the value type isn't ValueType::ValueKeyValue
+ *
+ * The behaviour is undefined if the value type isn't ValueType::ValueKeyValue.
+ *
+ * \return The option value as a KeyValueParser::Options
*/
-KeyValueParser::Options OptionValue::toKeyValues() const
+const KeyValueParser::Options &OptionValue::toKeyValues() const
{
- if (type_ != ValueKeyValue)
- return KeyValueParser::Options();
-
+ assert(type_ == ValueKeyValue);
return keyValues_;
}
/**
* \brief Retrieve the value as an array
- * \return The option value as a std::vector of OptionValue, or an empty vector
- * if the value type isn't ValueType::ValueArray
+ *
+ * The behaviour is undefined if the value type isn't ValueType::ValueArray.
+ *
+ * \return The option value as a std::vector of OptionValue
*/
-std::vector<OptionValue> OptionValue::toArray() const
+const std::vector<OptionValue> &OptionValue::toArray() const
{
- if (type_ != ValueArray)
- return std::vector<OptionValue>{};
-
+ assert(type_ == ValueArray);
return array_;
}
diff --git a/src/cam/options.h b/src/cam/options.h
index 83c409ae..0047b4f2 100644
--- a/src/cam/options.h
+++ b/src/cam/options.h
@@ -142,8 +142,8 @@ public:
int toInteger() const;
std::string toString() const;
- KeyValueParser::Options toKeyValues() const;
- std::vector<OptionValue> toArray() const;
+ const KeyValueParser::Options &toKeyValues() const;
+ const std::vector<OptionValue> &toArray() const;
const OptionsParser::Options &children() const;