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Add a new split method to StringRef that puts the substrings in a vector.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87058 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2009-11-13 01:24:40 +00:00
parent c1a07be185
commit 5ccac24726
3 changed files with 121 additions and 0 deletions
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19
lib/Support/StringExtras.cpp
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@ -56,3 +56,22 @@ void llvm::SplitString(const std::string &Source,
S2 = getToken(S, Delimiters);
}
}
void llvm::StringRef::split(std::vector<StringRef> &A,
StringRef Separators, unsigned MaxSplit,
bool KeepEmpty) const {
StringRef rest = *this;
for (unsigned splits = 0;
rest.size() != 0 && (MaxSplit < 0 || splits < MaxSplit);
++splits) {
std::pair<llvm::StringRef, llvm::StringRef> p = rest.split(Separators);
if (p.first.size() != 0 || KeepEmpty)
A.push_back(p.first);
rest = p.second;
}
if (rest.size() != 0 || KeepEmpty)
A.push_back(rest);
}