/**
* Relational pipes
* Copyright © 2019 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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 <vector>
#include <tuple>
#include <relpipe/writer/AttributeMetadata.h>
#include <relpipe/writer/typedefs.h>
namespace relpipe {
namespace tr {
namespace guile {
class DefinitionRecipe {
public:
virtual ~DefinitionRecipe() {
}
relpipe::writer::string_t name;
relpipe::writer::string_t type;
relpipe::writer::string_t value;
};
class RelationConfiguration {
public:
virtual ~RelationConfiguration() {
}
relpipe::writer::string_t relation;
relpipe::writer::string_t guileBeforeRecords;
relpipe::writer::string_t guileAfterRecords;
relpipe::writer::string_t guileForEach;
relpipe::writer::string_t guileWhere;
relpipe::writer::string_t guileHasMoreRecords;
/**
* If true, Guile code will be executed, but no output will be generated.
*/
bool drop = false;
/**
* Variable definitions for this relation.
* Can be used as a safe way for passing parameters from the outside environment.
* See also Configuration::definitions (can be overridden by relation's definitions)
*/
std::vector<DefinitionRecipe> definitions;
/**
* If empty, output relation will have same metadata as the input relation.
*/
std::vector<relpipe::writer::AttributeMetadata> writerMetadata;
/**
* Whether original attributes should be appended to those specified using --output-attribute
*/
bool inputAttributesAppend = false;
/**
* Whether original attributes should be prepended to those specified using --output-attribute
*/
bool inputAttributesPrepend = false;
};
class Configuration {
public:
vector<RelationConfiguration> relationConfigurations;
/**
* Global definitions for all relations.
* Can be used as a safe way for passing parameters from the outside environment.
* See also RelationConfiguration::definitions
*/
std::vector<DefinitionRecipe> definitions;
// TODO: --create t2 3 a integer b boolean '…guile…' – allow creating new relations? Or allow calling startRelation() and attribute() from Guile?
// TODO: --has-more-relations '…guile…' – called after all relations … ?
// TODO: --dynamic-output-attributes '…guile…' – used instead or together with --output-attribute
virtual ~Configuration() {
}
};
}
}
}