#include "sax_attributes.hh"

namespace modxml {
namespace sax {

Attribute::Attribute(std::string_view name, std::string_view value)
    : name(name), value(value) {}

std::optional<std::string_view> Attributes::find_first(std::string_view name)
    const {
  for (auto it = begin(); it != end(); ++it) {
    if (it->name == name)
      return it->value;
  }
  return std::nullopt;
}

std::optional<std::string_view> Attributes::find_last(std::string_view name)
    const {
  for (size_t i = size(); i > 0; --i) {
    auto const& a = at(i - 1);
    if (a.name == name)
      return a.value;
  }
  return std::nullopt;
}

std::optional<std::size_t> Attributes::find(std::string_view name,
                                            std::size_t index) const {
  for (; index < size(); ++index) {
    if (at(index).name == name)
      return index;
  }
  return std::nullopt;
}

}  // namespace sax
}  // namespace modxml