From 8570b29dfe621b72f7981b5abd7fa21d70864b73 Mon Sep 17 00:00:00 2001 From: Duncan Sands Date: Tue, 21 Feb 2012 12:00:25 +0000 Subject: Move the implementation of StringRef::split out of StringExtras.cpp and into StringRef.cpp, which is where the other StringRef stuff is. llvm-svn: 151054 --- llvm/lib/Support/StringRef.cpp | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'llvm/lib/Support/StringRef.cpp') diff --git a/llvm/lib/Support/StringRef.cpp b/llvm/lib/Support/StringRef.cpp index 4d20903e84b..0227b9c2190 100644 --- a/llvm/lib/Support/StringRef.cpp +++ b/llvm/lib/Support/StringRef.cpp @@ -229,6 +229,27 @@ StringRef::size_type StringRef::find_last_of(StringRef Chars, return npos; } +void StringRef::split(SmallVectorImpl &A, + StringRef Separators, int MaxSplit, + bool KeepEmpty) const { + StringRef rest = *this; + + // rest.data() is used to distinguish cases like "a," that splits into + // "a" + "" and "a" that splits into "a" + 0. + for (int splits = 0; + rest.data() != NULL && (MaxSplit < 0 || splits < MaxSplit); + ++splits) { + std::pair p = rest.split(Separators); + + if (p.first.size() != 0 || KeepEmpty) + A.push_back(p.first); + rest = p.second; + } + // If we have a tail left, add it. + if (rest.data() != NULL && (rest.size() != 0 || KeepEmpty)) + A.push_back(rest); +} + //===----------------------------------------------------------------------===// // Helpful Algorithms //===----------------------------------------------------------------------===// -- cgit v1.2.3