1 #ifndef OSMIUM_OSM_TAG_HPP 2 #define OSMIUM_OSM_TAG_HPP 49 class Tag :
public osmium::memory::detail::ItemHelper {
57 template <
typename TMember>
61 return reinterpret_cast<unsigned char*
>(std::strchr(reinterpret_cast<char*>(ptr), 0) + 1);
64 static const unsigned char*
after_null(
const unsigned char* ptr) {
65 return reinterpret_cast<const unsigned char*
>(std::strchr(reinterpret_cast<const char*>(ptr), 0) + 1);
72 const unsigned char*
next()
const {
80 const char*
key() const noexcept {
81 return reinterpret_cast<const char*
>(
data());
95 return (!std::strcmp(a.
key(), b.
key()) && (std::strcmp(a.
value(), b.
value()) < 0)) || (std::strcmp(a.
key(), b.
key()) < 0);
101 template <
typename TChar,
typename TTraits>
102 inline std::basic_ostream<TChar, TTraits>& operator<<(std::basic_ostream<TChar, TTraits>& out,
const Tag& tag) {
103 return out << tag.
key() <<
'=' << tag.value();
109 return std::find_if(cbegin(), cend(), [
key](
const Tag& tag) {
110 return !std::strcmp(tag.
key(),
key);
137 const auto result = find_key(key);
138 return result == cend() ? default_value : result->value();
148 return get_value_by_key(
key);
158 return find_key(
key) != cend();
170 const auto result = find_key(
key);
171 return result != cend() && !std::strcmp(result->value(),
value);
179 #endif // OSMIUM_OSM_TAG_HPP
const char * get_value_by_key(const char *key, const char *default_value=nullptr) const noexcept
Definition: tag.hpp:135
Definition: collection.hpp:47
const char * operator[](const char *key) const noexcept
Definition: tag.hpp:147
Tag & operator=(const Tag &)=delete
const char * value() const
Definition: tag.hpp:84
unsigned char * data() const noexcept
Definition: collection.hpp:91
static unsigned char * after_null(unsigned char *ptr)
Definition: tag.hpp:60
constexpr bool operator==(const Box &lhs, const Box &rhs) noexcept
Definition: box.hpp:222
item_type
Definition: item_type.hpp:43
double distance(const osmium::geom::Coordinates &c1, const osmium::geom::Coordinates &c2)
Definition: haversine.hpp:64
const unsigned char * next() const
Definition: tag.hpp:72
const char * key() const noexcept
Definition: tag.hpp:80
size_type size() const noexcept
Definition: tag.hpp:125
bool operator<(const Changeset &lhs, const Changeset &rhs)
Definition: changeset.hpp:438
Namespace for everything in the Osmium library.
Definition: assembler.hpp:66
TagList()
Definition: tag.hpp:118
Definition: collection.hpp:117
osmium::io::InputIterator< osmium::io::Reader > end(osmium::io::Reader &)
Definition: reader_iterator.hpp:45
bool has_key(const char *key) const noexcept
Definition: tag.hpp:156
static constexpr item_type collection_type
Definition: tag.hpp:78
bool has_tag(const char *key, const char *value) const noexcept
Definition: tag.hpp:167
const_iterator find_key(const char *key) const noexcept
Definition: tag.hpp:108
osmium::io::InputIterator< osmium::io::Reader > begin(osmium::io::Reader &reader)
Definition: reader_iterator.hpp:41
size_t size_type
Definition: tag.hpp:116
unsigned char * next()
Definition: tag.hpp:68
static const unsigned char * after_null(const unsigned char *ptr)
Definition: tag.hpp:64