/**
* 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 <regex>
#include <stdexcept>
#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"
#include "INIStandardHandler.h"
#include "INILiteralHandler.h"
#include "INISectionFirstHandler.h"
#include "JavaPropertiesDialect.h"
#include "JavaManifestMFDialect.h"
#include "JavaPropertiesEscapingProcessor.h"
#include "BasicEscapingProcessor.h"
#include "uri.h"
namespace relpipe {
namespace out {
namespace ini {
class INIDispatchHandler : public relpipe::reader::handlers::RelationalReaderStringHandler {
private:
std::ostream& output;
INIWriter writer;
Configuration& configuration;
std::shared_ptr<relpipe::reader::handlers::RelationalReaderStringHandler> currentHandler;
relpipe::reader::handlers::RelationalReaderStringHandler* createHandlerAuto(const relpipe::common::type::StringX& name, std::vector<relpipe::reader::handlers::AttributeMetadata> attributes) {
bool hasKey = false;
bool hasValue = false;
for (auto a : attributes) {
if (a.getAttributeName() == L"key") hasKey = true;
else if (a.getAttributeName() == L"value") hasValue = true;
}
if (hasKey && hasValue) return new INIStandardHandler(writer);
else return new INILiteralHandler(writer);
}
relpipe::reader::handlers::RelationalReaderStringHandler* createHandler(const relpipe::common::type::StringX& name, std::vector<relpipe::reader::handlers::AttributeMetadata> attributes) {
for (auto rc : configuration.relationConfigurations) {
if (std::regex_match(name, std::wregex(rc.relation))) {
if (rc.style == Style::Standard) return new INIStandardHandler(writer);
else if (rc.style == Style::Literal) return new INILiteralHandler(writer);
else if (rc.style == Style::SectionFirst) return new INISectionFirstHandler(writer);
else if (rc.style == Style::Dropped) return nullptr;
else if (rc.style == Style::Automatic) return createHandlerAuto(name, attributes);
else throw std::invalid_argument("Unsupported style: " + std::to_string((int) rc.style));
}
}
if (configuration.relationConfigurations.size()) return nullptr;
else return createHandlerAuto(name, attributes);
}
public:
INIDispatchHandler(std::ostream& output, Configuration& configuration) : output(output), writer(output), configuration(configuration) {
// TODO: dialects might be moved to configuration (after switching to alt2xml writers)
writer.addDialect(std::make_shared<JavaPropertiesDialect>(), dialect::JavaProperties, false);
writer.addDialect(std::make_shared<JavaManifestMFDialect>(), dialect::JavaManifestMF, false);
writer.addEscapingProcessor(std::make_shared<BasicEscapingProcessor>(), escaping::Basic, true);
writer.addEscapingProcessor(std::make_shared<JavaPropertiesEscapingProcessor>(), escaping::JavaProperties, false);
for (auto o : configuration.writerOptions) writer.setOption(o.uri, o.value);
}
void startRelation(relpipe::common::type::StringX name, std::vector<relpipe::reader::handlers::AttributeMetadata> attributes) override {
if (currentHandler) currentHandler->endOfPipe();
currentHandler.reset(createHandler(name, attributes));
if (currentHandler) currentHandler->startRelation(name, attributes);
}
void attribute(const relpipe::common::type::StringX& value) override {
if (currentHandler) currentHandler->attribute(value);
}
void endOfPipe() {
if (currentHandler) currentHandler->endOfPipe();
currentHandler.reset();
writer.endDocument();
output.flush();
}
};
}
}
}