diff options
| -rw-r--r-- | src/core/smallvec_type.hpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/core/smallvec_type.hpp b/src/core/smallvec_type.hpp index 464274c4d..a7a0fbad4 100644 --- a/src/core/smallvec_type.hpp +++ b/src/core/smallvec_type.hpp @@ -81,6 +81,58 @@ public: } /** + * Search for the first occurence of an item. + * The '!=' operator of T is used for comparison. + * @param item Item to search for + * @return The position of the item, or End() when not present + */ + FORCEINLINE const T *Find(const T &item) const + { + const T *pos = this->Begin(); + const T *end = this->End(); + while (pos != end && *pos != item) pos++; + return pos; + } + + /** + * Search for the first occurence of an item. + * The '!=' operator of T is used for comparison. + * @param item Item to search for + * @return The position of the item, or End() when not present + */ + FORCEINLINE T *Find(const T &item) + { + T *pos = this->Begin(); + const T *end = this->End(); + while (pos != end && *pos != item) pos++; + return pos; + } + + /** + * Tests whether a item is present in the vector. + * The '!=' operator of T is used for comparison. + * @param item Item to test for + * @return true iff the item is present + */ + FORCEINLINE bool Contains(const T &item) const + { + return this->Find(item) != this->End(); + } + + /** + * Tests whether a item is present in the vector, and appends it to the end if not. + * The '!=' operator of T is used for comparison. + * @param item Item to test for + * @return true iff the item is was already present + */ + FORCEINLINE bool Include(const T &item) + { + bool is_member = this->Contains(item); + if (!is_member) *this->Append() = item; + return is_member; + } + + /** * Get the number of items in the list. */ FORCEINLINE uint Length() const |