spell_core.hpp

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#pragma once
 
#include "rune_sequence.hpp"
#include "unicode.hpp"
#include "spell_base.hpp"
 
namespace rune_caster {
namespace spell {
namespace core {

class WhitespaceNormalizer : public sequence_spell {
private:
    bool collapse_multiple_;
    bool trim_edges_;
 
public:
    using input_type = RuneSequence;
    using output_type = RuneSequence;

    explicit WhitespaceNormalizer(bool collapse_multiple = true, bool trim_edges = true);
 
    RuneSequence operator()(const RuneSequence& input) const override;
    std::string description() const override;
    std::string name() const override { return "WhitespaceNormalizer"; }
};

class UnicodeNormalizer : public sequence_spell {
private:
    unicode::NormalizationForm form_;
 
public:
    using input_type = RuneSequence;
    using output_type = RuneSequence;

    explicit UnicodeNormalizer(unicode::NormalizationForm form = unicode::NormalizationForm::NFC);
 
    RuneSequence operator()(const RuneSequence& input) const override;
    std::string description() const override;
    std::string name() const override { return "UnicodeNormalizer"; }
};

class CaseConverter : public sequence_spell {
public:
    enum class CaseType {
        Lower,  
        Upper,  
        Title   
    };
 
private:
    CaseType case_type_;
 
public:
    using input_type = RuneSequence;
    using output_type = RuneSequence;

    explicit CaseConverter(CaseType case_type);
 
    RuneSequence operator()(const RuneSequence& input) const override;
    std::string description() const override;
    std::string name() const override { return "CaseConverter"; }

    CaseType case_type() const noexcept { return case_type_; }
};

class TrimEdges : public sequence_spell {
public:
    using input_type = RuneSequence;
    using output_type = RuneSequence;
 
    RuneSequence operator()(const RuneSequence& input) const override;
    std::string description() const override { return "Trim leading/trailing whitespace"; }
    std::string name() const override { return "TrimEdges"; }
};
 
} // namespace core
} // namespace spell
} // namespace rune_caster