Param.h

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// Copyright (c) 2002-present, OpenMS Inc. -- EKU Tuebingen, ETH Zurich, and FU Berlin
// SPDX-License-Identifier: BSD-3-Clause
//
// --------------------------------------------------------------------------
// $Maintainer: Timo Sachsenberg $
// $Authors: Marc Sturm, Clemens Groepl $
// --------------------------------------------------------------------------
 
#pragma once
 
#include <OpenMS/DATASTRUCTURES/ParamValue.h>
#include <OpenMS/OpenMSConfig.h>
 
#include <cstddef>
#include <iterator>
#include <set>
#include <string>
#include <map>
 
namespace OpenMS
{
 
  namespace Logger
  {
    class LogStream;
  }
 
  class OPENMS_DLLAPI Param
  {
public:
 
    struct OPENMS_DLLAPI ParamEntry
    {
      ParamEntry();
      ParamEntry(const std::string& n, const ParamValue& v, const std::string& d, const std::vector<std::string>& t = std::vector<std::string>());
      ParamEntry(const ParamEntry&) = default;
      ParamEntry(ParamEntry&&) = default;
      ~ParamEntry();
 
      ParamEntry& operator=(const ParamEntry&) = default;
      ParamEntry& operator=(ParamEntry&&) & = default;
 
      bool isValid(std::string& message) const;
      bool operator==(const ParamEntry& rhs) const;
 
      std::string name;
      std::string description;
      ParamValue value;
      std::set<std::string> tags;
 
      double min_float; 
      double max_float; 
      int min_int; 
      int max_int; 
      std::vector<std::string> valid_strings; 
    };
 
    struct OPENMS_DLLAPI ParamNode
    {
      typedef std::vector<ParamNode>::iterator NodeIterator;
      typedef std::vector<ParamEntry>::iterator EntryIterator;
      typedef std::vector<ParamNode>::const_iterator ConstNodeIterator;
      typedef std::vector<ParamEntry>::const_iterator ConstEntryIterator;
 
      ParamNode();
      ParamNode(const std::string& n, const std::string& d);
      ParamNode(const ParamNode&) = default;
      ParamNode(ParamNode&&) = default;
      ~ParamNode();
 
      ParamNode& operator=(const ParamNode&) = default;
      ParamNode& operator=(ParamNode&&) & = default;
 
      bool operator==(const ParamNode& rhs) const;
 
      EntryIterator findEntry(const std::string& name);
      NodeIterator findNode(const std::string& name);
      ParamNode* findParentOf(const std::string& name);
      ParamEntry* findEntryRecursive(const std::string& name);
 
      void insert(const ParamNode& node, const std::string& prefix = "");
      void insert(const ParamEntry& entry, const std::string& prefix = "");
      size_t size() const;
      std::string suffix(const std::string& key) const;
 
      std::string name;
      std::string description;
      std::vector<ParamEntry> entries;
      std::vector<ParamNode> nodes;
    };
 
public:
 
    class OPENMS_DLLAPI ParamIterator
    {
public:
      // Iterator type definitions for C++ standard library compatibility
      using iterator_category = std::forward_iterator_tag;
      using value_type = Param::ParamEntry;
      using difference_type = std::ptrdiff_t;
      using pointer = const Param::ParamEntry*;
      using reference = const Param::ParamEntry&;
 
      struct OPENMS_DLLAPI TraceInfo
      {
        inline TraceInfo(const std::string& n, const std::string& d, bool o) :
          name(n),
          description(d),
          opened(o)
        {
        }
 
        std::string name;
        std::string description;
        bool opened;
      };
 
      ParamIterator();
      ParamIterator(const Param::ParamNode& root);
      ~ParamIterator();
      const Param::ParamEntry& operator*();
      const Param::ParamEntry* operator->();
      ParamIterator& operator++();
      ParamIterator operator++(int);
      bool operator==(const ParamIterator& rhs) const;
      bool operator!=(const ParamIterator& rhs) const;
      std::string getName() const;
      const std::vector<TraceInfo>& getTrace() const;
 
protected:
      const Param::ParamNode* root_;
      int current_;
      std::vector<const Param::ParamNode*> stack_;
      std::vector<TraceInfo> trace_;
 
    };
 
    Param();
 
    Param(const Param&) = default;
 
    Param(Param&&) = default;
 
    ~Param();
 
    Param& operator=(const Param&) = default;
 
    Param& operator=(Param&&) & = default;
 
    bool operator==(const Param& rhs) const;
 
    ParamIterator begin() const;
 
    ParamIterator end() const;
 
 
 
    void setValue(const std::string& key, const ParamValue& value, const std::string& description = "", const std::vector<std::string>& tags = std::vector<std::string>());
 
    const ParamValue& getValue(const std::string& key) const;
 
    ParamValue::ValueType getValueType(const std::string& key) const;
 
    const ParamEntry& getEntry(const std::string& key) const;
 
    bool exists(const std::string& key) const;
 
    bool hasSection(const std::string& key) const;
 
    ParamIterator findFirst(const std::string& leaf) const;
 
    ParamIterator findNext(const std::string& leaf, const ParamIterator& start_leaf) const;
 
 
 
    void addTag(const std::string& key, const std::string& tag);
 
    void addTags(const std::string& key, const std::vector<std::string>& tags);
 
    bool hasTag(const std::string& key, const std::string& tag) const;
 
    std::vector<std::string> getTags(const std::string& key) const;
 
    void clearTags(const std::string& key);
 
 
 
 
    const std::string& getDescription(const std::string& key) const;
 
    void setSectionDescription(const std::string& key, const std::string& description);
 
    const std::string& getSectionDescription(const std::string& key) const;
 
    void addSection(const std::string& key, const std::string& description);
 
 
 
    size_t size() const;
 
    bool empty() const;
 
    void clear();
 
    void insert(const std::string& prefix, const Param& param);
 
    void remove(const std::string& key);
 
    void removeAll(const std::string& prefix);
 
    Param copy(const std::string& prefix, bool remove_prefix = false) const;
 
    Param copySubset(const Param& subset) const;
 
    bool update(const Param& p_outdated, const bool add_unknown = false);
 
    bool update(const Param& p_outdated, const bool add_unknown, Logger::LogStream& stream);
   
   
    bool update(const Param& p_outdated, bool verbose, bool add_unknown, bool fail_on_invalid_values, bool fail_on_unknown_parameters, Logger::LogStream& stream);
 
    void merge(const Param& toMerge);
 
 
 
 
 
    void setDefaults(const Param& defaults, const std::string& prefix = "", bool showMessage = false);
 
    void checkDefaults(const std::string& name, const Param& defaults, const std::string& prefix = "") const;
 
 
 
    void setValidStrings(const std::string& key, const std::vector<std::string>& strings);
 
    const std::vector<std::string>& getValidStrings(const std::string& key) const;
 
    void setMinInt(const std::string& key, int min);
 
    void setMaxInt(const std::string& key, int max);
 
    void setMinFloat(const std::string& key, double min);
 
    void setMaxFloat(const std::string& key, double max);
 
 
 
    void parseCommandLine(const int argc, const char** argv, const std::string& prefix = "");
 
    void parseCommandLine(const int argc, const char** argv, const std::map<std::string, std::string>& options_with_one_argument, const std::map<std::string, std::string>& options_without_argument, const std::map<std::string, std::string>& options_with_multiple_argument, const std::string& misc = "misc", const std::string& unknown = "unknown");
 
 
protected:
 
    ParamEntry& getEntry_(const std::string& key) const;
 
    Param(const Param::ParamNode& node);
 
    mutable Param::ParamNode root_;
  };
 
  OPENMS_DLLAPI std::ostream& operator<<(std::ostream& os, const Param& param);
 
} // namespace OpenMS