--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/CLICommand.h Tue Sep 22 21:00:30 2020 +0200
@@ -0,0 +1,74 @@
+/**
+ * Relational pipes
+ * Copyright © 2020 František Kučera (Frantovo.cz, GlobalCode.info)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include <codecvt>
+#include <memory>
+#include <iostream>
+
+#include "Configuration.h"
+
+namespace relpipe {
+namespace in {
+namespace cli {
+
+class CLICommand {
+private:
+
+ std::wstring_convert<codecvt_utf8<wchar_t>> convertor; // TODO: support also other encodings and use platform encoding as default
+
+ void processRelation(RelationConfiguration& configuration, std::shared_ptr<writer::RelationalWriter> writer) {
+ // Write header / metadata:
+ std::vector<relpipe::writer::AttributeMetadata> attributesMetadata;
+ for (AttributeRecipe ar : configuration.attributes) attributesMetadata.push_back({ar.name, ar.type});
+ writer->startRelation(configuration.relation, attributesMetadata, true);
+
+ // Write records from CLI:
+ for (auto value : configuration.values) writer->writeAttribute(value);
+
+ // Write records from STDIN:
+ if (configuration.valueStream) {
+ std::stringstream rawValue;
+ while (true) {
+ char ch = 0;
+ configuration.valueStream->get(ch);
+ if (ch == 0 && configuration.valueStream->good()) {
+ writer->writeAttribute(convertor.from_bytes(rawValue.str()));
+ rawValue.str("");
+ rawValue.clear();
+ } else if (configuration.valueStream->good()) {
+ rawValue << ch;
+ } else if (configuration.valueStream->eof()) {
+ return;
+ } else {
+ throw relpipe::cli::RelpipeCLIException(L"Error while reading values from the input stream.", relpipe::cli::CLI::EXIT_CODE_UNEXPECTED_ERROR); // TODO: better exception
+ }
+ }
+ }
+
+ }
+
+public:
+
+ void process(Configuration& configuration, std::shared_ptr<writer::RelationalWriter> writer) {
+ for (RelationConfiguration& relationConfiguration : configuration.relationConfigurations) processRelation(relationConfiguration, writer);
+ }
+};
+
+}
+}
+}