xref: /aosp_15_r20/external/image_io/src/base/string_ref_data_source.cc (revision ca0779eb572efbbfda2e47f806647c3c7eeea8c3) 
1 #include "image_io/base/string_ref_data_source.h"
2 
3 #include <string>
4 
5 namespace photos_editing_formats {
6 namespace image_io {
7 
8 namespace {
9 
10 /// @param str The string from which to create a DataSegment.
11 /// @return A DataSegment the byte pointer of which is taken from the str.
CreateDataSegment(const std::string & str)12 std::shared_ptr<DataSegment> CreateDataSegment(const std::string &str) {
13   Byte *bytes = reinterpret_cast<Byte *>(const_cast<char *>(str.c_str()));
14   return DataSegment::Create(DataRange(0, str.length()), bytes,
15                              DataSegment::BufferDispositionPolicy::kDontDelete);
16 }
17 
18 }  // namespace
19 
StringRefDataSource(const std::string & string_ref)20 StringRefDataSource::StringRefDataSource(const std::string &string_ref)
21     : DataSegmentDataSource(CreateDataSegment(string_ref)),
22       string_ref_(string_ref) {}
23 
24 }  // namespace image_io
25 }  // namespace photos_editing_formats
26