diff options
author | Manjunath Kudlur <keveman@gmail.com> | 2015-11-06 16:27:58 -0800 |
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committer | Manjunath Kudlur <keveman@gmail.com> | 2015-11-06 16:27:58 -0800 |
commit | f41959ccb2d9d4c722fe8fc3351401d53bcf4900 (patch) | |
tree | ef0ca22cb2a5ac4bdec9d080d8e0788a53ed496d /tensorflow/core/platform/tensor_coding.cc |
TensorFlow: Initial commit of TensorFlow library.
TensorFlow is an open source software library for numerical computation
using data flow graphs.
Base CL: 107276108
Diffstat (limited to 'tensorflow/core/platform/tensor_coding.cc')
-rw-r--r-- | tensorflow/core/platform/tensor_coding.cc | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/tensorflow/core/platform/tensor_coding.cc b/tensorflow/core/platform/tensor_coding.cc new file mode 100644 index 0000000000..a5cbd0ab44 --- /dev/null +++ b/tensorflow/core/platform/tensor_coding.cc @@ -0,0 +1,53 @@ +#include "tensorflow/core/platform/tensor_coding.h" + +#include "tensorflow/core/lib/core/coding.h" +#include "tensorflow/core/lib/core/stringpiece.h" + +namespace tensorflow { +namespace port { + +void AssignRefCounted(StringPiece src, core::RefCounted* obj, string* out) { + out->assign(src.data(), src.size()); +} + +void EncodeStringList(const string* strings, int64 n, string* out) { + out->clear(); + for (int i = 0; i < n; ++i) { + core::PutVarint32(out, strings[i].size()); + } + for (int i = 0; i < n; ++i) { + out->append(strings[i]); + } +} + +bool DecodeStringList(const string& src, string* strings, int64 n) { + std::vector<uint32> sizes(n); + StringPiece reader(src); + int64 tot = 0; + for (auto& v : sizes) { + if (!core::GetVarint32(&reader, &v)) return false; + tot += v; + } + if (tot != static_cast<int64>(reader.size())) { + return false; + } + + string* data = strings; + for (int64 i = 0; i < n; ++i, ++data) { + auto size = sizes[i]; + if (size > reader.size()) { + return false; + } + data->assign(reader.data(), size); + reader.remove_prefix(size); + } + + return true; +} + +void CopyFromArray(string* s, const char* base, size_t bytes) { + s->assign(base, bytes); +} + +} // namespace port +} // namespace tensorflow |