src/XMLDocumentConstructor.h
author František Kučera <franta-hg@frantovo.cz>
Sun, 22 Nov 2020 17:39:10 +0100
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dump raw INI parser events
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/**
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 * Relational pipes
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 * Copyright © 2019 František Kučera (Frantovo.cz, GlobalCode.info)
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation, version 3 of the License.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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 */
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#pragma once
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#include <libxml++-2.6/libxml++/libxml++.h>
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#include "lib/INIReader.h"
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#include "lib/XMLNameCodec.h"
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namespace relpipe {
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namespace in {
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namespace xmltable {
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class HierarchicalINIContentHandler : public INIContentHandler {
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private:
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	xmlpp::DomParser* domParser;
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	wstring_convert < codecvt_utf8<wchar_t>> convertor; // INI parser works with UTF-8
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public:
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	HierarchicalINIContentHandler(xmlpp::DomParser* domParser) : domParser(domParser) {
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	}
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	virtual ~HierarchicalINIContentHandler() {
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	}
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	void startDocument() override {
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		domParser->get_document()->create_root_node("ini");
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		domParser->get_document()->get_root_node()->add_child("startDocument");
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		// there should be only one document
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	};
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	void endDocument() override {
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		domParser->get_document()->get_root_node()->add_child("endDocument");
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	};
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	void startSection(const SectionStartEvent& event) override {
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		xmlpp::Element* node = domParser->get_document()->get_root_node()->add_child("startSection");
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		node->add_child("name")->add_child_text(event.name);
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		node->add_child("comment")->add_child_text(event.comment);
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		node->add_child("line-number")->add_child_text(std::to_string(event.lineNumber));
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		node->add_child("event-number")->add_child_text(std::to_string(event.eventNumber));
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	};
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	void endSection() override {
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		domParser->get_document()->get_root_node()->add_child("endSection");
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	};
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	void entry(const EntryEvent& event) override {
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		xmlpp::Element* node = domParser->get_document()->get_root_node()->add_child("entry");
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		node->add_child("key")->add_child_text(event.key);
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		node->add_child("sub-key")->add_child_text(event.subKey);
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		node->add_child("full-key")->add_child_text(event.fullKey);
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		node->add_child("value")->add_child_text(event.value);
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		node->add_child("comment")->add_child_text(event.comment);
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		node->add_child("line-number")->add_child_text(std::to_string(event.lineNumber));
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		node->add_child("event-number")->add_child_text(std::to_string(event.eventNumber));
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	};
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};
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class XMLDocumentConstructor {
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private:
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	std::istream* input = nullptr;
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	xmlpp::DomParser* parser = nullptr;
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public:
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	XMLDocumentConstructor(std::istream* input, xmlpp::DomParser* parser) : input(input), parser(parser) {
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	}
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	void process() {
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		HierarchicalINIContentHandler handler(parser);
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		std::shared_ptr<INIReader> reader(INIReader::create(*input));
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		reader->addHandler(&handler);
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		reader->process();
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	}
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};
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}
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}
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}