diff options
| -rw-r--r-- | include/llvm/ADT/StringRef.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/llvm/ADT/StringRef.h b/include/llvm/ADT/StringRef.h index a5c43fa631..12e2c569de 100644 --- a/include/llvm/ADT/StringRef.h +++ b/include/llvm/ADT/StringRef.h @@ -289,6 +289,23 @@ namespace llvm { return std::make_pair(slice(0, Idx), slice(Idx+1, npos)); } + /// split - Split into two substrings around the first occurence of a + /// separator string. + /// + /// If \arg Separator is in the string, then the result is a pair (LHS, RHS) + /// such that (*this == LHS + Separator + RHS) is true and RHS is + /// maximal. If \arg Separator is not in the string, then the result is a + /// pair (LHS, RHS) where (*this == LHS) and (RHS == ""). + /// + /// \param Separator - The string to split on. + /// \return - The split substrings. + std::pair<StringRef, StringRef> split(StringRef Separator) const { + size_t Idx = find(Separator); + if (Idx == npos) + return std::make_pair(*this, StringRef()); + return std::make_pair(slice(0, Idx), slice(Idx + Separator.size(), npos)); + } + /// rsplit - Split into two substrings around the last occurence of a /// separator character. /// |