/usr/include/osmium/osm/tag.hpp is in libosmium2-dev 2.11.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 | #ifndef OSMIUM_OSM_TAG_HPP
#define OSMIUM_OSM_TAG_HPP
/*
This file is part of Osmium (http://osmcode.org/libosmium).
Copyright 2013-2017 Jochen Topf <jochen@topf.org> and others (see README).
Boost Software License - Version 1.0 - August 17th, 2003
Permission is hereby granted, free of charge, to any person or organization
obtaining a copy of the software and accompanying documentation covered by
this license (the "Software") to use, reproduce, display, distribute,
execute, and transmit the Software, and to prepare derivative works of the
Software, and to permit third-parties to whom the Software is furnished to
do so, all subject to the following:
The copyright notices in the Software and this entire statement, including
the above license grant, this restriction and the following disclaimer,
must be included in all copies of the Software, in whole or in part, and
all derivative works of the Software, unless such copies or derivative
works are solely in the form of machine-executable object code generated by
a source language processor.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
#include <algorithm>
#include <cassert>
#include <cstring>
#include <iosfwd>
#include <iterator>
#include <osmium/memory/collection.hpp>
#include <osmium/memory/item.hpp>
#include <osmium/osm/item_type.hpp>
namespace osmium {
class Tag : public osmium::memory::detail::ItemHelper {
Tag(const Tag&) = delete;
Tag(Tag&&) = delete;
Tag& operator=(const Tag&) = delete;
Tag& operator=(Tag&&) = delete;
template <typename TMember>
friend class osmium::memory::CollectionIterator;
static unsigned char* after_null(unsigned char* ptr) {
return reinterpret_cast<unsigned char*>(std::strchr(reinterpret_cast<char*>(ptr), 0) + 1);
}
static const unsigned char* after_null(const unsigned char* ptr) {
return reinterpret_cast<const unsigned char*>(std::strchr(reinterpret_cast<const char*>(ptr), 0) + 1);
}
unsigned char* next() {
return after_null(after_null(data()));
}
const unsigned char* next() const {
return after_null(after_null(data()));
}
public:
static constexpr item_type collection_type = item_type::tag_list;
const char* key() const noexcept {
return reinterpret_cast<const char*>(data());
}
const char* value() const {
return reinterpret_cast<const char*>(after_null(data()));
}
}; // class Tag
inline bool operator==(const Tag& lhs, const Tag& rhs) {
return !std::strcmp(lhs.key(), rhs.key()) &&
!std::strcmp(lhs.value(), rhs.value());
}
inline bool operator<(const Tag& lhs, const Tag& rhs) {
const auto c = std::strcmp(lhs.key(), rhs.key());
return (c == 0 ? std::strcmp(lhs.value(), rhs.value()) : c) < 0;
}
/**
* Output a Tag to a stream.
*/
template <typename TChar, typename TTraits>
inline std::basic_ostream<TChar, TTraits>& operator<<(std::basic_ostream<TChar, TTraits>& out, const Tag& tag) {
return out << tag.key() << '=' << tag.value();
}
class TagList : public osmium::memory::Collection<Tag, osmium::item_type::tag_list> {
const_iterator find_key(const char* key) const noexcept {
return std::find_if(cbegin(), cend(), [key](const Tag& tag) {
return !std::strcmp(tag.key(), key);
});
}
public:
TagList() :
osmium::memory::Collection<Tag, osmium::item_type::tag_list>() {
}
/**
* Get tag value for the given tag key. If the key is not set, returns
* the default_value.
*
* @pre @code key != nullptr @endcode
*/
const char* get_value_by_key(const char* key, const char* default_value = nullptr) const noexcept {
assert(key);
const auto result = find_key(key);
return result == cend() ? default_value : result->value();
}
/**
* Get tag value for the given tag key. If the key is not set, returns
* nullptr.
*
* @pre @code key != nullptr @endcode
*/
const char* operator[](const char* key) const noexcept {
return get_value_by_key(key);
}
/**
* Returns true if the tag with the given key is in the tag list.
*
* @pre @code key != nullptr @endcode
*/
bool has_key(const char* key) const noexcept {
assert(key);
return find_key(key) != cend();
}
/**
* Returns true if the tag with the given key and value is in the
* tag list.
*
* @pre @code key != nullptr && value != nullptr @endcode
*/
bool has_tag(const char* key, const char* value) const noexcept {
assert(key);
assert(value);
const auto result = find_key(key);
return result != cend() && !std::strcmp(result->value(), value);
}
}; // class TagList
static_assert(sizeof(TagList) % osmium::memory::align_bytes == 0, "Class osmium::TagList has wrong size to be aligned properly!");
} // namespace osmium
#endif // OSMIUM_OSM_TAG_HPP
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