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Improve FilePath::Normalize method

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This commit is contained in:
Ruslan Manaev 2020-10-07 23:39:50 +05:00
parent 1fb1bb23bb
commit 113ca75c30
1 changed files with 5 additions and 7 deletions
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12
googletest/src/gtest-filepath.cc
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@ -349,21 +349,19 @@ FilePath FilePath::RemoveTrailingPathSeparator() const {
// For example, "bar///foo" becomes "bar/foo". Does not eliminate other
// redundancies that might be in a pathname involving "." or "..".
void FilePath::Normalize() {
std::string normalized_pathname;
normalized_pathname.reserve(pathname_.length());
auto out = pathname_.begin();
for (const char character : pathname_) {
if (!IsPathSeparator(character)) {
normalized_pathname.push_back(character);
} else if (normalized_pathname.empty() ||
normalized_pathname.back() != kPathSeparator) {
normalized_pathname.push_back(kPathSeparator);
*(out++) = character;
} else if (out == pathname_.begin() || *std::prev(out) != kPathSeparator) {
*(out++) = kPathSeparator;
} else {
continue;
}
}
pathname_ = normalized_pathname;
pathname_.erase(out, pathname_.end());
}
} // namespace internal