--- a/src/FilesystemCommand.h Fri Jan 24 16:53:31 2020 +0100
+++ b/src/FilesystemCommand.h Fri Jan 24 21:05:10 2020 +0100
@@ -75,7 +75,7 @@
return configuration->relation.empty() ? L"filesystem" : configuration->relation;
}
- void writeHeader(RelationalWriter* writer, std::map<string_t, std::shared_ptr < AttributeFinder>> attributeFinders, string_t relationName, std::vector<RequestedField>* fields) {
+ void writeHeader(RelationalWriter* writer, std::map<string_t, std::shared_ptr < AttributeFinder>> attributeFinders, string_t relationName, std::vector<RequestedField>* fields, bool writeHeader = true) {
std::vector<AttributeMetadata> attributesMetadata;
for (RequestedField field : *fields) {
std::shared_ptr<AttributeFinder> finder = attributeFinders[field.group];
@@ -83,7 +83,27 @@
else throw RelpipeWriterException(L"Unsupported field group: " + field.group);
}
- writer->startRelation(relationName, attributesMetadata, true);
+ writer->startRelation(relationName, attributesMetadata, writeHeader);
+ }
+
+ void processSingleFile(std::shared_ptr<RelationalWriter> writer, std::stringstream& originalName, std::map<string_t, std::shared_ptr < AttributeFinder>>&attributeFinders, Configuration& configuration, string_t relationName) {
+ fs::path file(originalName.str().empty() ? "." : originalName.str()); // interpret empty string as current directory (e.g. result of: find -printf '%P\0')
+ bool exists = false;
+
+ try {
+ exists = fs::exists(file);
+ } catch (const fs::filesystem_error& e) {
+ // we probably do not have permissions to given directory → pretend that the file does not exist
+ }
+
+ for (auto& finder : attributeFinders) finder.second->startFile(file, originalName.str(), exists);
+
+ for (RequestedField field : configuration.fields) {
+ std::shared_ptr<AttributeFinder> finder = attributeFinders[field.group]; // should not be nullptr, because already checked while writing the relation metadata
+ finder->writeField(writer.get(), relationName, field);
+ }
+
+ for (auto& finder : attributeFinders) finder.second->endFile();
}
public: