| #include "xmpmeta/file.h" |
| |
| #include <cstdio> |
| #include "android-base/logging.h" |
| |
| namespace dynamic_depth { |
| namespace xmpmeta { |
| |
| using std::string; |
| |
| void WriteStringToFileOrDie(const string& data, const string& filename) { |
| FILE* file_descriptor = fopen(filename.c_str(), "wb"); |
| if (!file_descriptor) { |
| LOG(FATAL) << "Couldn't write to file: " << filename; |
| } |
| fwrite(data.c_str(), 1, data.size(), file_descriptor); |
| fclose(file_descriptor); |
| } |
| |
| void ReadFileToStringOrDie(const string& filename, string* data) { |
| FILE* file_descriptor = fopen(filename.c_str(), "r"); |
| |
| if (!file_descriptor) { |
| LOG(FATAL) << "Couldn't read file: " << filename; |
| } |
| |
| // Resize the input buffer appropriately. |
| fseek(file_descriptor, 0L, SEEK_END); |
| int num_bytes = ftell(file_descriptor); |
| data->resize(num_bytes); |
| |
| // Read the data. |
| fseek(file_descriptor, 0L, SEEK_SET); |
| int num_read = |
| fread(&((*data)[0]), sizeof((*data)[0]), num_bytes, file_descriptor); |
| if (num_read != num_bytes) { |
| LOG(FATAL) << "Couldn't read all of " << filename |
| << "expected bytes: " << num_bytes * sizeof((*data)[0]) |
| << "actual bytes: " << num_read; |
| } |
| fclose(file_descriptor); |
| } |
| |
| string JoinPath(const string& dirname, const string& basename) { |
| #ifdef _WIN32 |
| static const char separator = '\\'; |
| #else |
| static const char separator = '/'; |
| #endif // _WIN32 |
| |
| if ((!basename.empty() && basename[0] == separator) || dirname.empty()) { |
| return basename; |
| } else if (dirname[dirname.size() - 1] == separator) { |
| return dirname + basename; |
| } else { |
| return dirname + string(&separator, 1) + basename; |
| } |
| } |
| |
| } // namespace xmpmeta |
| } // namespace dynamic_depth |