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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 <vector>
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#include <relpipe/writer/typedefs.h>
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#include <relpipe/cli/CLI.h>
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#include <relpipe/cli/RelpipeCLIException.h>
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#include "Configuration.h"
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namespace relpipe {
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namespace in {
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namespace xmltable {
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class CLIParser {
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private:
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string_t readNext(std::vector<string_t> arguments, int& i) {
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if (i < arguments.size()) return arguments[i++];
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else throw relpipe::cli::RelpipeCLIException(L"Missing CLI argument" + (i > 0 ? (L" after " + arguments[i - 1]) : L""), relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS);
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}
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/**
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* TODO: use a common method
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*/
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bool parseBoolean(const string_t& value) {
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if (value == L"true") return true;
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else if (value == L"false") return false;
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else throw relpipe::cli::RelpipeCLIException(L"Unable to parse boolean value: " + value + L" (expecting true or false)", relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS);
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}
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void addRelation(Configuration& c, RelationConfiguration& currentRelation) {
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if (currentRelation.relation.size()) {
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c.relationConfigurations.push_back(currentRelation);
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currentRelation = RelationConfiguration();
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}
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}
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relpipe::writer::TypeId parseTypeId(const string_t& value) {
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using t = relpipe::writer::TypeId;
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if (value == L"string") return t::STRING;
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else if (value == L"integer") return t::INTEGER;
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else if (value == L"boolean") return t::BOOLEAN;
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else throw relpipe::cli::RelpipeCLIException(L"Unable to parse TypeId: " + value, relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS);
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}
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public:
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static const string_t OPTION_NAMESPACE;
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static const string_t OPTION_PARSER_OPTION;
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static const string_t OPTION_RELATION;
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static const string_t OPTION_NAME_IS_XPATH;
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static const string_t OPTION_RECORDS;
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static const string_t OPTION_ATTRIBUTE;
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static const string_t OPTION_XINCLUDE;
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static const string_t OPTION_MODE;
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static const string_t OPTION_RAW_XML_NODELIST_WRAPPER;
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static const string_t OPTION_RAW_XML_ATTRIBUTE_WRAPPER;
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Configuration parse(const std::vector<string_t>& arguments) {
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Configuration c;
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RelationConfiguration currentRelation;
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for (int i = 0; i < arguments.size();) {
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string_t option = readNext(arguments, i);
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if (option == OPTION_NAMESPACE) {
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c.namespaceMappings.push_back(readNext(arguments, i));
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c.namespaceMappings.push_back(readNext(arguments, i));
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} else if (option == OPTION_PARSER_OPTION) {
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c.parserOptions.push_back({readNext(arguments, i), readNext(arguments, i)});
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} else if (option == OPTION_XINCLUDE) {
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c.xinclude = parseBoolean(readNext(arguments, i));
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} else if (option == OPTION_RELATION) {
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addRelation(c, currentRelation); // previous relation
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currentRelation.relation = readNext(arguments, i);
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} else if (option == OPTION_NAME_IS_XPATH) {
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currentRelation.nameIsXPath = true;
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} else if (option == OPTION_RECORDS) {
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currentRelation.xpath = readNext(arguments, i);
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} else if (option == OPTION_ATTRIBUTE) {
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AttributeRecipe attribute;
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attribute.mode = currentRelation.mode;
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attribute.rawXmlNodeListWrapper = currentRelation.rawXmlNodeListWrapper;
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attribute.rawXmlAttributeWrapper = currentRelation.rawXmlAttributeWrapper;
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attribute.name = readNext(arguments, i);
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attribute.type = parseTypeId(readNext(arguments, i));
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attribute.xpath = readNext(arguments, i);
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currentRelation.attributes.push_back(attribute);
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} else if (option == OPTION_MODE) {
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string_t modeName = readNext(arguments, i);
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Mode mode;
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if (modeName == L"string") mode = Mode::STRING;
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else if (modeName == L"boolean") mode = Mode::BOOLEAN;
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else if (modeName == L"raw-xml") mode = Mode::RAW_XML;
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else if (modeName == L"line-number") mode = Mode::LINE_NUMBER;
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else if (modeName == L"xpath") mode = Mode::XPATH;
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else throw relpipe::cli::RelpipeCLIException(L"Unsupported mode: " + modeName, relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS);
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if (currentRelation.attributes.size()) currentRelation.attributes.back().mode = mode;
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else currentRelation.mode = mode;
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} else if (option == OPTION_RAW_XML_NODELIST_WRAPPER) {
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XmlElementSkeleton w = {readNext(arguments, i), readNext(arguments, i), readNext(arguments, i)};
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if (currentRelation.attributes.size()) currentRelation.attributes.back().rawXmlNodeListWrapper = w;
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else currentRelation.rawXmlNodeListWrapper = w;
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} else if (option == OPTION_RAW_XML_ATTRIBUTE_WRAPPER) {
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XmlElementSkeleton w = {readNext(arguments, i), readNext(arguments, i), readNext(arguments, i)};
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if (currentRelation.attributes.size()) currentRelation.attributes.back().rawXmlAttributeWrapper = w;
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else currentRelation.rawXmlAttributeWrapper = w;
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} else throw relpipe::cli::RelpipeCLIException(L"Unsupported CLI option: " + option, relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS);
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}
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addRelation(c, currentRelation); // last relation
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return c;
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}
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virtual ~CLIParser() {
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}
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};
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const string_t CLIParser::OPTION_NAMESPACE = L"--namespace";
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const string_t CLIParser::OPTION_PARSER_OPTION = L"--parser-option";
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const string_t CLIParser::OPTION_RELATION = L"--relation";
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const string_t CLIParser::OPTION_NAME_IS_XPATH = L"--name-is-xpath";
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const string_t CLIParser::OPTION_RECORDS = L"--records";
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const string_t CLIParser::OPTION_ATTRIBUTE = L"--attribute";
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const string_t CLIParser::OPTION_XINCLUDE = L"--xinclude";
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const string_t CLIParser::OPTION_MODE = L"--mode";
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const string_t CLIParser::OPTION_RAW_XML_NODELIST_WRAPPER = L"--raw-xml-nodelist-wrapper";
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const string_t CLIParser::OPTION_RAW_XML_ATTRIBUTE_WRAPPER = L"--raw-xml-attribute-wrapper";
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}
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}
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}
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