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#ifndef PARSET_READER_H
#define PARSET_READER_H
#include <algorithm>
#include <map>
#include <memory>
#include <string>
#include <vector>
#ifdef HAVE_EVERYBEAM
#include <EveryBeam/aterms/parsetprovider.h>
#endif // HAVE_EVERYBEAM
namespace wsclean {
#ifdef HAVE_EVERYBEAM
/**
* @brief Parses the parameter settings (parset) related to the
* aterm settings in an EveryBeam-acceptable format.
*
*/
class ParsetReader : public everybeam::aterms::ParsetProvider {
#else
/**
* @brief Parses the parameter settings (parset) related to the
* aterm settings.
*
*/
class ParsetReader {
#endif // HAVE_EVERYBEAM
public:
ParsetReader(const std::string& filename);
ParsetReader(std::istream& stream);
class ParsetEntry {
public:
ParsetEntry(ParsetEntry&&) = default;
enum Type { String, StringList };
ParsetEntry(const std::string& line);
bool operator<(const ParsetEntry& rhs) const { return _key < rhs._key; }
const std::string& Key() const { return _key; }
const std::string& GetStringValue() const;
const std::vector<std::string>& GetStringListValue() const;
private:
struct Value {
virtual ~Value() {}
};
struct StringValue : public Value {
std::string _value;
};
struct StringListValue : public Value {
std::vector<std::string> _value;
};
std::string _key;
std::unique_ptr<Value> _value;
};
#ifdef HAVE_EVERYBEAM
std::string GetString(const std::string& key) const final override;
std::string GetStringOr(const std::string& key,
const std::string& orValue) const final override;
std::vector<std::string> GetStringList(
const std::string& key) const final override;
bool GetBool(const std::string& key) const final override;
bool GetBoolOr(const std::string& key, bool orValue) const final override;
double GetDoubleOr(const std::string& key,
double orValue) const final override;
#else
std::string GetString(const std::string& key) const;
std::string GetStringOr(const std::string& key,
const std::string& orValue) const;
std::vector<std::string> GetStringList(const std::string& key) const;
bool GetBool(const std::string& key) const;
bool GetBoolOr(const std::string& key, bool orValue) const;
double GetDoubleOr(const std::string& key, double orValue) const;
#endif // HAVE_EVERYBEAM
// GetDouble is not implemented (and needed) in ParsetProvider
double GetDouble(const std::string& key) const;
private:
void read(std::istream& stream);
std::map<std::string, ParsetEntry> _entries;
};
} // namespace wsclean
#endif
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