AnnotationComponent.h

#pragma once
 
#include "Components/Core/DynamicComponent.h"
 
#include "Resources/Resources.h"
 
namespace Cogs::RationalReducerExtension
{
  struct AnnotationComponent : public Cogs::Core::DynamicComponent
  {
    std::vector<std::string> annotations;
 
    static void registerType();
 
  public:
    static constexpr auto npos { static_cast<size_t>(-1) };
 
    size_t indexOfKey(const Cogs::StringView key)
    {
      for (size_t i = 0; i < annotations.size(); ++i)
      {
        const auto & annot = annotations[i];
        if (annot.find(key.data(), 0) == 0 && annot.size() > key.size() && annot[key.size()] == ':') {
          return i;
        }
      }
 
      return npos;
    }
 
    bool containsKey(const Cogs::StringView key)
    {
      return indexOfKey(key) != npos;
    }
 
    std::string getValue(const Cogs::StringView key)
    {
      const auto index = indexOfKey(key);
      if (index == npos)
        return std::string();
      else
        return annotations[index].substr(key.size() + 1);
    }
 
    void setValue(const Cogs::StringView key, const Cogs::StringView value)
    {
      const auto index = indexOfKey(key);
      if (index == npos)
        annotations.emplace_back(key.to_string() + ':' + value.to_string());
      else
        annotations[index] = annotations[index].substr(0, key.size() + 1) + value.to_string();
    }
  };
}
 
template<> inline Cogs::StringView getName<Cogs::RationalReducerExtension::AnnotationComponent>() { return "AnnotationComponent"; }