diff options
| author | Jacques Lucke <mail@jlucke.com> | 2020-02-10 15:54:57 +0300 |
|---|---|---|
| committer | Jacques Lucke <mail@jlucke.com> | 2020-02-10 16:09:01 +0300 |
| commit | 68cc982dcb7c1063a96f7ec9b7ccb95da4919d6b (patch) | |
| tree | 9d2076363b54cb6b6da96064453ac3499a5f65c8 /source/blender/blenlib/BLI_string_ref.h | |
| parent | 76208a5670bc9d70f99f22a3c49463959461b5c1 (diff) | |
BLI: improve various C++ data structures
The changes come from the `functions` branch, where I'm using
these structures a lot.
This also includes a new `BLI::Optional<T>` type, which is similar
to `std::Optional<T>` which can be used when Blender starts using
C++17.
Diffstat (limited to 'source/blender/blenlib/BLI_string_ref.h')
| -rw-r--r-- | source/blender/blenlib/BLI_string_ref.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_string_ref.h b/source/blender/blenlib/BLI_string_ref.h index 76163a2754c..54c2f0e7209 100644 --- a/source/blender/blenlib/BLI_string_ref.h +++ b/source/blender/blenlib/BLI_string_ref.h @@ -109,6 +109,8 @@ class StringRefBase { * Returns true when the string ends with the given suffix. Otherwise false. */ bool endswith(StringRef suffix) const; + + StringRef substr(uint start, uint size) const; }; /** @@ -242,6 +244,12 @@ inline bool StringRefBase::endswith(StringRef suffix) const return true; } +inline StringRef StringRefBase::substr(uint start, uint size) const +{ + BLI_assert(start + size <= m_size); + return StringRef(m_data + start, size); +} + } // namespace BLI #endif /* __BLI_STRING_REF_H__ */ |