88 lines
2.8 KiB
C++
88 lines
2.8 KiB
C++
/* === This file is part of Calamares - <https://calamares.io> ===
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*
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* SPDX-FileCopyrightText: 2014 Teo Mrnjavac <teo@kde.org>
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* SPDX-FileCopyrightText: 2017-2018 Adriaan de Groot <groot@kde.org>
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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*
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* Calamares is Free Software: see the License-Identifier above.
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*
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*
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*
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*/
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/*
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* YAML conversions and YAML convenience header.
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*
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* Includes the system YAMLCPP headers without warnings (by switching off
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* the expected warnings) and provides a handful of methods for
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* converting between YAML and QVariant.
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*/
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#ifndef UTILS_YAML_H
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#define UTILS_YAML_H
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#include <QStringList>
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#include <QVariant>
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#include <QVariantList>
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#include <QVariantMap>
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class QByteArray;
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class QFileInfo;
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// The yaml-cpp headers are not C++11 warning-proof, especially
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// with picky compilers like Clang 8. Since we use Clang for the
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// find-all-the-warnings case, switch those warnings off for
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// the we-can't-change-them system headers.
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#ifdef __clang__
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant"
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#pragma clang diagnostic ignored "-Wshadow"
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#pragma clang diagnostic ignored "-Wfloat-equal"
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#pragma clang diagnostic ignored "-Wsuggest-destructor-override"
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#endif
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#include <yaml-cpp/yaml.h>
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#ifdef __clang__
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#pragma clang diagnostic pop
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#endif
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/// @brief Appends all the elements of @p node to the string list @p v
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void operator>>( const YAML::Node& node, QStringList& v );
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namespace CalamaresUtils
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{
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/**
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* Loads a given @p filename and returns the YAML data
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* as a QVariantMap. If filename doesn't exist, or is
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* malformed in some way, returns an empty map and sets
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* @p *ok to false. Otherwise sets @p *ok to true.
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*/
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QVariantMap loadYaml( const QString& filename, bool* ok = nullptr );
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/** Convenience overload. */
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QVariantMap loadYaml( const QFileInfo&, bool* ok = nullptr );
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QVariant yamlToVariant( const YAML::Node& node );
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QVariant yamlScalarToVariant( const YAML::Node& scalarNode );
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QVariantList yamlSequenceToVariant( const YAML::Node& sequenceNode );
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QVariantMap yamlMapToVariant( const YAML::Node& mapNode );
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/// @brief Returns all the elements of @p listNode in a StringList
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QStringList yamlToStringList( const YAML::Node& listNode );
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/// @brief Save a @p map to @p filename as YAML
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bool saveYaml( const QString& filename, const QVariantMap& map );
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/**
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* Given an exception from the YAML parser library, explain
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* what is going on in terms of the data passed to the parser.
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* Uses @p label when labeling the data source (e.g. "netinstall data")
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*/
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void explainYamlException( const YAML::Exception& e, const QByteArray& data, const char* label );
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void explainYamlException( const YAML::Exception& e, const QByteArray& data, const QString& label );
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void explainYamlException( const YAML::Exception& e, const QByteArray& data );
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} // namespace CalamaresUtils
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#endif
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