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@@ -1,131 +0,0 @@
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#ifndef OSMIUM_RELATIONS_DETAIL_MEMBER_META_HPP
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#define OSMIUM_RELATIONS_DETAIL_MEMBER_META_HPP
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/*
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||||
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||||
This file is part of Osmium (http://osmcode.org/libosmium).
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|
||||
Copyright 2013,2014 Jochen Topf <jochen@topf.org> and others (see README).
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||||
|
||||
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.
|
||||
|
||||
*/
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||||
|
||||
#include <cstddef>
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||||
#include <iosfwd>
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||||
#include <osmium/osm/types.hpp>
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namespace osmium {
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namespace relations {
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/**
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||||
* Helper class for the Collector class.
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||||
*
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||||
* Stores an object ID and information where the object should be
|
||||
* stored.
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||||
*/
|
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class MemberMeta {
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||||
/**
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* Object ID of this relation member. Can be a node, way, or relation ID.
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||||
* It depends on the vector in which this object is stored which kind of
|
||||
* object is referenced here.
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*/
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osmium::object_id_type m_member_id;
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/**
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* Position of the relation this member is a part of in the
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* m_relations vector.
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*/
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size_t m_relation_pos;
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||||
/**
|
||||
* Position of this member in the list of members of the
|
||||
* relation this member is a part of.
|
||||
*/
|
||||
size_t m_member_pos;
|
||||
|
||||
/**
|
||||
* Offset in the buffer where the object is stored.
|
||||
*/
|
||||
size_t m_buffer_offset { 0 };
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||||
|
||||
public:
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||||
|
||||
/**
|
||||
* Create new MemberMeta. The variant with zeros for relation_pos and
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||||
* member_pos is used to create dummy MemberMeta that can be compared
|
||||
* to the MemberMeta in the vectors using the equal_range algorithm.
|
||||
*/
|
||||
explicit MemberMeta(osmium::object_id_type member_id, size_t relation_pos=0, size_t member_pos=0) :
|
||||
m_member_id(member_id),
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||||
m_relation_pos(relation_pos),
|
||||
m_member_pos(member_pos) {
|
||||
}
|
||||
|
||||
osmium::object_id_type member_id() const {
|
||||
return m_member_id;
|
||||
}
|
||||
|
||||
size_t relation_pos() const {
|
||||
return m_relation_pos;
|
||||
}
|
||||
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||||
size_t member_pos() const {
|
||||
return m_member_pos;
|
||||
}
|
||||
|
||||
size_t buffer_offset() const {
|
||||
return m_buffer_offset;
|
||||
}
|
||||
|
||||
void buffer_offset(size_t offset) {
|
||||
m_buffer_offset = offset;
|
||||
}
|
||||
|
||||
}; // class MemberMeta
|
||||
|
||||
/**
|
||||
* Compares two MemberMeta objects by only looking at the member id.
|
||||
* Used to sort a vector of MemberMeta objects and to later find
|
||||
* them using binary search.
|
||||
*/
|
||||
inline bool operator<(const MemberMeta& a, const MemberMeta& b) {
|
||||
return a.member_id() < b.member_id();
|
||||
}
|
||||
|
||||
template <typename TChar, typename TTraits>
|
||||
inline std::basic_ostream<TChar, TTraits>& operator<<(std::basic_ostream<TChar, TTraits>& out, const MemberMeta& mm) {
|
||||
out << "MemberMeta(member_id=" << mm.member_id() << " relation_pos=" << mm.relation_pos() << " member_pos=" << mm.member_pos() << " buffer_offset=" << mm.buffer_offset() << ")";
|
||||
return out;
|
||||
}
|
||||
|
||||
} // namespace relations
|
||||
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||||
} // namespace osmium
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||||
|
||||
#endif // OSMIUM_RELATIONS_DETAIL_MEMBER_META_HPP
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||||
@@ -1,136 +0,0 @@
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||||
#ifndef OSMIUM_RELATIONS_DETAIL_RELATION_META_HPP
|
||||
#define OSMIUM_RELATIONS_DETAIL_RELATION_META_HPP
|
||||
|
||||
/*
|
||||
|
||||
This file is part of Osmium (http://osmcode.org/libosmium).
|
||||
|
||||
Copyright 2013,2014 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 <cassert>
|
||||
#include <cstddef>
|
||||
#include <iosfwd>
|
||||
|
||||
namespace osmium {
|
||||
|
||||
namespace relations {
|
||||
|
||||
/**
|
||||
* Helper class for the Collector class.
|
||||
*
|
||||
* Stores information needed to collect all members of a relation. This
|
||||
* includes the offset of the relation in a buffer plus the information
|
||||
* needed to add members to this relation.
|
||||
*/
|
||||
class RelationMeta {
|
||||
|
||||
/// The relation we are assembling.
|
||||
size_t m_relation_offset;
|
||||
|
||||
/**
|
||||
* The number of members still needed before the relation is complete.
|
||||
* This will be set to the number of members we are interested in and
|
||||
* then count down for every member we find. When it is 0, the relation
|
||||
* is complete.
|
||||
*/
|
||||
int m_need_members = 0;
|
||||
|
||||
public:
|
||||
|
||||
/**
|
||||
* Initialize an empty RelationMeta. This is needed to zero out relations
|
||||
* that have been completed.
|
||||
*/
|
||||
RelationMeta() :
|
||||
m_relation_offset(0) {
|
||||
}
|
||||
|
||||
explicit RelationMeta(size_t relation_offset) :
|
||||
m_relation_offset(relation_offset) {
|
||||
}
|
||||
|
||||
/**
|
||||
* Get offset of relation in buffer.
|
||||
*/
|
||||
size_t relation_offset() const {
|
||||
return m_relation_offset;
|
||||
}
|
||||
|
||||
/**
|
||||
* Increment the m_need_members counter.
|
||||
*/
|
||||
void increment_need_members() {
|
||||
++m_need_members;
|
||||
}
|
||||
|
||||
/**
|
||||
* This decrements the "members needed" counter.
|
||||
*/
|
||||
void got_one_member() {
|
||||
assert(m_need_members > 0);
|
||||
--m_need_members;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns true if all members for this relation are available.
|
||||
*/
|
||||
bool has_all_members() const {
|
||||
return m_need_members == 0;
|
||||
}
|
||||
|
||||
}; // class RelationMeta
|
||||
|
||||
template <typename TChar, typename TTraits>
|
||||
inline std::basic_ostream<TChar, TTraits>& operator<<(std::basic_ostream<TChar, TTraits>& out, const RelationMeta& rm) {
|
||||
out << "RelationMeta(relation_offset=" << rm.relation_offset() << " has_all_members=" << rm.has_all_members() << ")";
|
||||
return out;
|
||||
}
|
||||
|
||||
/**
|
||||
* Function object to check if a relation is complete.
|
||||
*/
|
||||
struct has_all_members {
|
||||
|
||||
typedef RelationMeta& argument_type;
|
||||
typedef bool result_type;
|
||||
|
||||
/**
|
||||
* @return true if this relation is complete, false otherwise.
|
||||
*/
|
||||
bool operator()(RelationMeta& relation_info) const {
|
||||
return relation_info.has_all_members();
|
||||
}
|
||||
|
||||
}; // struct has_all_members
|
||||
|
||||
} // namespace relations
|
||||
|
||||
} // namespace osmium
|
||||
|
||||
#endif // OSMIUM_RELATIONS_DETAIL_RELATION_META_HPP
|
||||
Reference in New Issue
Block a user