src/RequestedField.h
author František Kučera <franta-hg@frantovo.cz>
Wed, 16 Jan 2019 17:48:06 +0100
branchv_0
changeset 5 ec661baf433a
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child 12 0a297eb46ba1
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support field aliases - aliases can be used for renames and also for duplication - some specific fields might even fill multiple attributes with different values - example of rename and duplication: c.fields.push_back(RequestedField(RequestedField::GROUP_FILE, FileAttributeFinder::FIELD_TYPE,{L"type_a", L"type_b"})); // CLIParser.h
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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, either version 3 of the License, or
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 * (at your option) any later version.
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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 <vector>
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#include <relpipe/writer/typedefs.h>
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namespace relpipe {
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namespace in {
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namespace filesystem {
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using namespace relpipe::writer;
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class RequestedField {
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public:
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	static const string_t GROUP_FILE;
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	static const string_t GROUP_XATTR;
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	string_t group;
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	string_t name;
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	std::vector<string_t> aliases;
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	std::map<string_t, string_t> options;
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	RequestedField(const string_t& group, const string_t& name, const std::vector<string_t>& aliases = {}, const std::map<string_t, string_t>& options = {}) : group(group), name(name), aliases(aliases), options(options) {
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	}
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	/**
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	 * @return aliases or vector with single item (name), if aliases are empty
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	 */
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	std::vector<string_t> getAliases() const {
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		if (aliases.empty()) return {name};
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		else return aliases;
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	}
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	virtual ~RequestedField() {
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	}
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};
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const string_t RequestedField::GROUP_FILE = L"file";
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const string_t RequestedField::GROUP_XATTR = L"xattr";
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}
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}
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}