--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/INILiteralHandler.h Wed Dec 09 17:55:03 2020 +0100
@@ -0,0 +1,93 @@
+/**
+ * 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 <memory>
+#include <string>
+#include <vector>
+#include <iostream>
+#include <sstream>
+#include <locale>
+#include <codecvt>
+
+#include <relpipe/common/type/typedefs.h>
+#include <relpipe/reader/TypeId.h>
+#include <relpipe/reader/handlers/RelationalReaderStringHandler.h>
+#include <relpipe/reader/handlers/AttributeMetadata.h>
+
+#include "Configuration.h"
+#include "INIWriter.h"
+
+namespace relpipe {
+namespace out {
+namespace ini {
+
+class INILiteralHandler : public relpipe::reader::handlers::RelationalReaderStringHandler {
+private:
+ INIWriter& writer;
+ relpipe::common::type::StringX sectionAttributeName;
+ relpipe::common::type::StringX currentSection;
+ std::vector<relpipe::reader::handlers::AttributeMetadata> currentAttributes;
+ relpipe::common::type::Integer relationCount = 0;
+ relpipe::common::type::Integer currentAttributeIndex = 0;
+public:
+
+ INILiteralHandler(INIWriter& writer, relpipe::common::type::StringX sectionAttributeName = L"") : writer(writer), sectionAttributeName(sectionAttributeName) {
+ }
+
+ virtual ~INILiteralHandler() {
+ }
+
+ void startRelation(relpipe::common::type::StringX name, std::vector<relpipe::reader::handlers::AttributeMetadata> attributes) override {
+ if (relationCount) writer.endSection();
+ currentSection = name;
+ currentAttributes = attributes;
+ INIWriter::SectionStartEvent e;
+ e.name = name;
+ writer.startSection(e);
+ relationCount++;
+ }
+
+ void attribute(const relpipe::common::type::StringX& value) override {
+ if (currentAttributeIndex && currentAttributeIndex % currentAttributes.size() == 0) {
+ currentAttributeIndex = 0;
+ writer.endSection();
+ // Usually there should be only one record in each relation.
+ // But if there are more of them, we will rather create multiple sections with same name (makes more sense)
+ // than duplicate keys in a single section.
+ INIWriter::SectionStartEvent e;
+ e.name = currentSection;
+ writer.startSection(e);
+ }
+
+ INIWriter::EntryEvent e;
+ e.key = currentAttributes[currentAttributeIndex].getAttributeName();
+ e.value = value;
+ writer.entry(e);
+
+ currentAttributeIndex++;
+ }
+
+ void endOfPipe() {
+ writer.endSection();
+ }
+
+};
+
+}
+}
+}