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Support/PathV2: Add extension implementation.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120550 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael J. Spencer 2010-12-01 03:37:41 +00:00
parent 28cd48fffb
commit 5265f22f45
2 changed files with 28 additions and 2 deletions
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16
lib/Support/PathV2.cpp
View File

@ -574,6 +574,22 @@ error_code stem(const StringRef &path, StringRef &result) {
return make_error_code(errc::success);
}
error_code extension(const StringRef &path, StringRef &result) {
StringRef fname;
if (error_code ec = filename(path, fname)) return ec;
size_t pos = fname.find_last_of('.');
if (pos == StringRef::npos)
result = StringRef();
else
if ((fname.size() == 1 && fname == ".") ||
(fname.size() == 2 && fname == ".."))
result = StringRef();
else
result = StringRef(fname.begin() + pos, fname.size() - pos);
return make_error_code(errc::success);
}
}
}
}

14
unittests/Support/Path.cpp
View File

@ -100,6 +100,9 @@ TEST(Support, Path) {
if (error_code ec = sys::path::stem(*i, res))
ASSERT_FALSE(ec.message().c_str());
outs() << " stem: " << res << '\n';
if (error_code ec = sys::path::extension(*i, res))
ASSERT_FALSE(ec.message().c_str());
outs() << " stem: " << res << '\n';
temp_store = *i;
if (error_code ec = sys::path::make_absolute(temp_store))
@ -113,10 +116,17 @@ TEST(Support, Path) {
if (error_code ec = sys::path::replace_extension(temp_store, "ext"))
ASSERT_FALSE(ec.message().c_str());
outs() << " replace_extension: " << temp_store << '\n';
StringRef stem, ext;
if (error_code ec = sys::path::stem(
StringRef(temp_store.begin(), temp_store.size()), res))
StringRef(temp_store.begin(), temp_store.size()), stem))
ASSERT_FALSE(ec.message().c_str());
outs() << " stem: " << res << '\n';
outs() << " stem: " << stem << '\n';
if (error_code ec = sys::path::extension(
StringRef(temp_store.begin(), temp_store.size()), ext))
ASSERT_FALSE(ec.message().c_str());
outs() << " extension: " << ext << '\n';
EXPECT_EQ(*(--sys::path::end(
StringRef(temp_store.begin(), temp_store.size()))), (stem + ext).str());
if (error_code ec = sys::path::native(*i, temp_store))
ASSERT_FALSE(ec.message().c_str());
outs() << " native: " << temp_store << '\n';