/// platform specific error_code.
error_code make_absolute(SmallVectorImpl<char> &path);
+/// @brief Normalize path separators in \a Path
+///
+/// If the path contains any '\' separators, they are transformed into '/'.
+/// This is particularly useful when cross-compiling Windows on Linux, but is
+/// safe to invoke on Windows, which accepts both characters as a path
+/// separator.
+error_code normalize_separators(SmallVectorImpl<char> &Path);
+
/// @brief Create all the non-existent directories in path.
///
/// @param path Directories to create.
return error_code::success();
}
+error_code normalize_separators(SmallVectorImpl<char> &Path) {
+ for (auto PI = Path.begin(), PE = Path.end(); PI < PE; ++PI) {
+ if (*PI == '\\') {
+ auto PN = PI + 1;
+ if (PN < PE && *PN == '\\')
+ ++PI; // increment once, the for loop will move over the escaped slash
+ else
+ *PI = '/';
+ }
+ }
+ return error_code::success();
+}
+
// Note that we are using symbolic link because hard links are not supported by
// all filesystems (SMB doesn't).
error_code create_link(const Twine &to, const Twine &from) {
fs::mapped_file_region mfrrv(std::move(m));
EXPECT_EQ(mfrrv.const_data(), Data);
}
+
+TEST(Support, NormalizePath) {
+#if defined(LLVM_ON_WIN32)
+#define EXPECT_PATH_IS(path__, windows__, not_windows__) \
+ EXPECT_EQ(path__, windows__);
+#else
+#define EXPECT_PATH_IS(path__, windows__, not_windows__) \
+ EXPECT_EQ(path__, not_windows__);
+#endif
+
+ SmallString<64> Path1("a");
+ SmallString<64> Path2("a/b");
+ SmallString<64> Path3("a\\b");
+ SmallString<64> Path4("a\\\\b");
+ SmallString<64> Path5("\\a");
+ SmallString<64> Path6("a\\");
+
+ ASSERT_NO_ERROR(fs::normalize_separators(Path1));
+ EXPECT_PATH_IS(Path1, "a", "a");
+
+ ASSERT_NO_ERROR(fs::normalize_separators(Path2));
+ EXPECT_PATH_IS(Path2, "a/b", "a/b");
+
+ ASSERT_NO_ERROR(fs::normalize_separators(Path3));
+ EXPECT_PATH_IS(Path3, "a\\b", "a/b");
+
+ ASSERT_NO_ERROR(fs::normalize_separators(Path4));
+ EXPECT_PATH_IS(Path4, "a\\\\b", "a\\\\b");
+
+ ASSERT_NO_ERROR(fs::normalize_separators(Path5));
+ EXPECT_PATH_IS(Path5, "\\a", "/a");
+
+ ASSERT_NO_ERROR(fs::normalize_separators(Path6));
+ EXPECT_PATH_IS(Path6, "a\\", "a/");
+
+#undef EXPECT_PATH_IS
+}
} // anonymous namespace