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#include "tensorflow/stream_executor/lib/path.h"
#include "tensorflow/stream_executor/lib/strcat.h"
using ::perftools::gputools::port::StringPiece;
using ::perftools::gputools::port::StrAppend;
namespace perftools {
namespace gputools {
namespace port {
namespace internal {
static bool IsAbsolutePath(port::StringPiece path) {
return !path.empty() && path[0] == '/';
}
// For an array of paths of length count, append them all together,
// ensuring that the proper path separators are inserted between them.
string JoinPathImpl(std::initializer_list<port::StringPiece> paths) {
string result;
for (port::StringPiece path : paths) {
if (path.empty()) continue;
if (result.empty()) {
result = path.ToString();
continue;
}
if (result[result.size() - 1] == '/') {
if (IsAbsolutePath(path)) {
StrAppend(&result, path.substr(1));
} else {
StrAppend(&result, path);
}
} else {
if (IsAbsolutePath(path)) {
StrAppend(&result, path);
} else {
StrAppend(&result, "/", path);
}
}
}
return result;
}
} // namespace internal
} // namespace port
} // namespace gputools
} // namespace perftools
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