Index: storage/common/data_element.cc |
diff --git a/storage/common/data_element.cc b/storage/common/data_element.cc |
index f26058b7fb42875343474391d615fc11c2d546bf..c2e40c9a426643e92b12194cf74fd4bd57541a89 100644 |
--- a/storage/common/data_element.cc |
+++ b/storage/common/data_element.cc |
@@ -2,6 +2,8 @@ |
// Use of this source code is governed by a BSD-style license that can be |
// found in the LICENSE file. |
+#include <iomanip> |
michaeln
2015/10/20 01:16:14
might not be needed if base::HexEncode is used?
dmurph
2015/10/20 18:28:27
Done.
|
+ |
#include "storage/common/data_element.h" |
namespace storage { |
@@ -52,4 +54,46 @@ void DataElement::SetToDiskCacheEntryRange(uint64 offset, uint64 length) { |
length_ = length; |
} |
+std::ostream& operator<<(std::ostream& os, const DataElement& x) { |
+ const uint64 kMaxDataPrintLength = 40; |
+ os << "<DataElement>{type: "; |
+ switch (x.type()) { |
+ case DataElement::TYPE_BYTES: { |
+ auto flags = os.flags(); |
+ os << "TYPE_BYTES, data: [" << std::hex; |
michaeln
2015/10/20 01:16:14
could use << base::HexEncode(p, len) here
dmurph
2015/10/20 18:28:27
Nice catch.
|
+ uint64 length = std::min(x.length(), kMaxDataPrintLength); |
+ for (size_t i = 0; i < length; i++) { |
+ os << std::setfill('0') << std::setw(2) << +(x.bytes()[i]) << ' '; |
+ } |
+ os.flags(flags); |
+ if (length < x.length()) { |
+ os << "<...truncated due to length...>"; |
+ } |
+ os << "]"; |
+ break; |
+ } |
+ case DataElement::TYPE_FILE: |
+ os << "TYPE_FILE, path: " << x.path().AsUTF8Unsafe() |
+ << ", expected_modification_time: " << x.expected_modification_time(); |
+ break; |
+ case DataElement::TYPE_BLOB: |
+ os << "TYPE_BLOB, uuid: " << x.blob_uuid(); |
+ break; |
+ case DataElement::TYPE_FILE_FILESYSTEM: |
+ os << "TYPE_FILE_FILESYSTEM, filesystem_url: " << x.filesystem_url(); |
+ break; |
+ case DataElement::TYPE_DISK_CACHE_ENTRY: |
+ os << "TYPE_DISK_CACHE_ENTRY"; |
+ break; |
+ case DataElement::TYPE_BYTES_DESCRIPTION: |
+ os << "TYPE_BYTES_DESCRIPTION"; |
+ break; |
+ case DataElement::TYPE_UNKNOWN: |
+ os << "TYPE_UNKNOWN"; |
+ break; |
+ } |
+ os << ", length: " << x.length() << ", offset: " << x.offset() << "}"; |
+ return os; |
+} |
+ |
} // namespace storage |