Merge commit '73efcc6b0ccedf8c1b6d95abdba8340cc9adf100' as 'third_party/libosmium'
This commit is contained in:
Dennis Luxen
@@ -0,0 +1,222 @@
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#ifndef OSMIUM_BUILDER_BUILDER_HPP
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#define OSMIUM_BUILDER_BUILDER_HPP
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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).
|
||||
|
||||
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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||||
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||||
#include <algorithm>
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#include <cassert>
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#include <cstddef>
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#include <cstdint>
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#include <new>
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#include <type_traits>
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#include <osmium/memory/buffer.hpp>
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#include <osmium/memory/item.hpp>
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#include <osmium/osm/types.hpp>
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#include <osmium/util/cast.hpp>
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namespace osmium {
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/**
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* @brief Classes for building OSM objects and other items in buffers
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*/
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namespace builder {
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class Builder {
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osmium::memory::Buffer& m_buffer;
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Builder* m_parent;
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size_t m_item_offset;
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Builder(const Builder&) = delete;
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Builder(Builder&&) = delete;
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Builder& operator=(const Builder&) = delete;
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Builder& operator=(Builder&&) = delete;
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protected:
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explicit Builder(osmium::memory::Buffer& buffer, Builder* parent, osmium::memory::item_size_type size) :
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m_buffer(buffer),
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m_parent(parent),
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m_item_offset(buffer.written()) {
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m_buffer.reserve_space(size);
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assert(buffer.is_aligned());
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if (m_parent) {
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m_parent->add_size(size);
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}
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}
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~Builder() = default;
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osmium::memory::Item& item() const {
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return *reinterpret_cast<osmium::memory::Item*>(m_buffer.data() + m_item_offset);
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}
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public:
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/**
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* Add padding to buffer (if needed) to align data properly.
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*
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* This calculates how many padding bytes are needed and adds
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* as many zero bytes to the buffer. It also adds this number
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* to the size of the current item (if the "self" param is
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* true) and recursively to all the parent items.
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*
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* @param self If true add number of padding bytes to size
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* of current item. Size is always added to
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* parent item (if any).
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*
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*/
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void add_padding(bool self=false) {
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auto padding = osmium::memory::align_bytes - (size() % osmium::memory::align_bytes);
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if (padding != osmium::memory::align_bytes) {
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std::fill_n(m_buffer.reserve_space(padding), padding, 0);
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if (self) {
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add_size(padding);
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} else if (m_parent) {
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m_parent->add_size(padding);
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assert(m_parent->size() % osmium::memory::align_bytes == 0);
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}
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}
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}
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void add_size(uint32_t size) {
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item().add_size(size);
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if (m_parent) {
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m_parent->add_size(size);
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}
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}
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uint32_t size() const noexcept {
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return item().byte_size();
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}
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void add_item(const osmium::memory::Item* item) {
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unsigned char* target = m_buffer.reserve_space(item->padded_size());
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std::copy_n(reinterpret_cast<const unsigned char*>(item), item->padded_size(), target);
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add_size(item->padded_size());
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}
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/**
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* Reserve space for an object of class T in buffer and return
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* pointer to it.
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*/
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template <class T>
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T* reserve_space_for() {
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assert(m_buffer.is_aligned());
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return reinterpret_cast<T*>(m_buffer.reserve_space(sizeof(T)));
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}
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/**
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* Append data to buffer.
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*
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* @param data Pointer to data.
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* @param length Length of data in bytes. If data is a
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* \0-terminated string, length must contain the
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* \0 byte.
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*/
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osmium::memory::item_size_type append(const char* data, const osmium::memory::item_size_type length) {
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unsigned char* target = m_buffer.reserve_space(length);
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std::copy_n(reinterpret_cast<const unsigned char*>(data), length, target);
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return length;
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}
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/**
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* Append \0-terminated string to buffer.
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*/
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osmium::memory::item_size_type append(const char* str) {
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return append(str, static_cast<osmium::memory::item_size_type>(std::strlen(str) + 1));
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}
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/// Return the buffer this builder is using.
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osmium::memory::Buffer& buffer() noexcept {
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return m_buffer;
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}
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}; // class Builder
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template <class TItem>
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class ObjectBuilder : public Builder {
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static_assert(std::is_base_of<osmium::memory::Item, TItem>::value,
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"ObjectBuilder can only build objects derived from osmium::memory::Item");
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public:
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explicit ObjectBuilder(osmium::memory::Buffer& buffer, Builder* parent=nullptr) :
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Builder(buffer, parent, sizeof(TItem)) {
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new (&item()) TItem();
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}
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TItem& object() noexcept {
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return static_cast<TItem&>(item());
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}
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/**
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* Add user name to buffer.
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*
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* @param user Pointer to user name.
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* @param length Length of user name including \0 byte.
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*/
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void add_user(const char* user, const string_size_type length) {
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object().set_user_size(length);
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add_size(append(user, length));
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add_padding(true);
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}
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/**
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* Add user name to buffer.
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*
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* @param user Pointer to \0-terminated user name.
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*/
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void add_user(const char* user) {
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add_user(user, static_cast_with_assert<string_size_type>(std::strlen(user) + 1));
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}
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/**
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* Add user name to buffer.
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*
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* @param user User name.
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*/
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void add_user(const std::string& user) {
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add_user(user.data(), static_cast_with_assert<string_size_type>(user.size() + 1));
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}
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}; // class ObjectBuilder
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} // namespace builder
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} // namespace osmium
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#endif // OSMIUM_BUILDER_BUILDER_HPP
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@@ -0,0 +1,103 @@
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#ifndef OSMIUM_BUILDER_BUILDER_HELPER_HPP
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#define OSMIUM_BUILDER_BUILDER_HELPER_HPP
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|
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/*
|
||||
|
||||
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.
|
||||
|
||||
*/
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||||
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||||
#include <cstddef>
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#include <initializer_list>
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||||
#include <functional>
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#include <map>
|
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#include <utility>
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#include <osmium/builder/osm_object_builder.hpp>
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#include <osmium/memory/buffer.hpp>
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namespace osmium {
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class NodeRef;
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class TagList;
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class WayNodeList;
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namespace builder {
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inline const osmium::WayNodeList& build_way_node_list(osmium::memory::Buffer& buffer, const std::initializer_list<osmium::NodeRef>& nodes) {
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size_t pos = buffer.committed();
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{
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osmium::builder::WayNodeListBuilder wnl_builder(buffer);
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for (const auto& node_ref : nodes) {
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wnl_builder.add_node_ref(node_ref);
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}
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}
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buffer.commit();
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return buffer.get<const osmium::WayNodeList>(pos);
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}
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inline const osmium::TagList& build_tag_list(osmium::memory::Buffer& buffer, const std::initializer_list<std::pair<const char*, const char*>>& tags) {
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size_t pos = buffer.committed();
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{
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osmium::builder::TagListBuilder tl_builder(buffer);
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for (const auto& p : tags) {
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tl_builder.add_tag(p.first, p.second);
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}
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}
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buffer.commit();
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return buffer.get<const osmium::TagList>(pos);
|
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}
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|
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inline const osmium::TagList& build_tag_list_from_map(osmium::memory::Buffer& buffer, const std::map<const char*, const char*>& tags) {
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size_t pos = buffer.committed();
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{
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osmium::builder::TagListBuilder tl_builder(buffer);
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for (const auto& p : tags) {
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tl_builder.add_tag(p.first, p.second);
|
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}
|
||||
}
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buffer.commit();
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return buffer.get<const osmium::TagList>(pos);
|
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}
|
||||
|
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inline const osmium::TagList& build_tag_list_from_func(osmium::memory::Buffer& buffer, std::function<void(osmium::builder::TagListBuilder&)> func) {
|
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size_t pos = buffer.committed();
|
||||
{
|
||||
osmium::builder::TagListBuilder tl_builder(buffer);
|
||||
func(tl_builder);
|
||||
}
|
||||
buffer.commit();
|
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return buffer.get<const osmium::TagList>(pos);
|
||||
}
|
||||
|
||||
} // namespace builder
|
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|
||||
} // namespace osmium
|
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|
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#endif // OSMIUM_BUILDER_BUILDER_HELPER_HPP
|
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@@ -0,0 +1,283 @@
|
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#ifndef OSMIUM_BUILDER_OSM_OBJECT_BUILDER_HPP
|
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#define OSMIUM_BUILDER_OSM_OBJECT_BUILDER_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 <cstring>
|
||||
#include <initializer_list>
|
||||
#include <new>
|
||||
#include <utility>
|
||||
|
||||
#include <osmium/builder/builder.hpp>
|
||||
#include <osmium/osm.hpp>
|
||||
#include <osmium/osm/item_type.hpp>
|
||||
#include <osmium/osm/location.hpp>
|
||||
#include <osmium/osm/node_ref.hpp>
|
||||
#include <osmium/osm/object.hpp>
|
||||
#include <osmium/osm/tag.hpp>
|
||||
#include <osmium/osm/types.hpp>
|
||||
#include <osmium/util/cast.hpp>
|
||||
|
||||
namespace osmium {
|
||||
|
||||
namespace memory {
|
||||
class Buffer;
|
||||
}
|
||||
|
||||
namespace builder {
|
||||
|
||||
class TagListBuilder : public ObjectBuilder<TagList> {
|
||||
|
||||
public:
|
||||
|
||||
explicit TagListBuilder(osmium::memory::Buffer& buffer, Builder* parent=nullptr) :
|
||||
ObjectBuilder<TagList>(buffer, parent) {
|
||||
}
|
||||
|
||||
~TagListBuilder() {
|
||||
add_padding();
|
||||
}
|
||||
|
||||
/**
|
||||
* Add tag to buffer.
|
||||
*
|
||||
* @param key Tag key.
|
||||
* @param value Tag value.
|
||||
*/
|
||||
void add_tag(const char* key, const char* value) {
|
||||
add_size(append(key) + append(value));
|
||||
}
|
||||
|
||||
/**
|
||||
* Add tag to buffer.
|
||||
*
|
||||
* @param key Tag key.
|
||||
* @param value Tag value.
|
||||
*/
|
||||
void add_tag(const std::string& key, const std::string& value) {
|
||||
add_size(append(key.data(), static_cast_with_assert<string_size_type>(key.size() + 1)) +
|
||||
append(value.data(), static_cast_with_assert<string_size_type>(value.size() + 1)));
|
||||
}
|
||||
|
||||
}; // class TagListBuilder
|
||||
|
||||
template <class T>
|
||||
class NodeRefListBuilder : public ObjectBuilder<T> {
|
||||
|
||||
public:
|
||||
|
||||
explicit NodeRefListBuilder(osmium::memory::Buffer& buffer, Builder* parent=nullptr) :
|
||||
ObjectBuilder<T>(buffer, parent) {
|
||||
}
|
||||
|
||||
~NodeRefListBuilder() {
|
||||
static_cast<Builder*>(this)->add_padding();
|
||||
}
|
||||
|
||||
void add_node_ref(const NodeRef& node_ref) {
|
||||
new (static_cast<Builder*>(this)->reserve_space_for<osmium::NodeRef>()) osmium::NodeRef(node_ref);
|
||||
static_cast<Builder*>(this)->add_size(sizeof(osmium::NodeRef));
|
||||
}
|
||||
|
||||
void add_node_ref(const object_id_type ref, const osmium::Location location=Location()) {
|
||||
add_node_ref(NodeRef(ref, location));
|
||||
}
|
||||
|
||||
}; // class NodeRefListBuilder
|
||||
|
||||
typedef NodeRefListBuilder<WayNodeList> WayNodeListBuilder;
|
||||
typedef NodeRefListBuilder<OuterRing> OuterRingBuilder;
|
||||
typedef NodeRefListBuilder<InnerRing> InnerRingBuilder;
|
||||
|
||||
class RelationMemberListBuilder : public ObjectBuilder<RelationMemberList> {
|
||||
|
||||
/**
|
||||
* Add role to buffer.
|
||||
*
|
||||
* @param member Relation member object where the length of the role
|
||||
* will be set.
|
||||
* @param role The role.
|
||||
* @param length Length of role string including \0 termination.
|
||||
*/
|
||||
void add_role(osmium::RelationMember& member, const char* role, const string_size_type length) {
|
||||
member.set_role_size(length);
|
||||
add_size(append(role, length));
|
||||
add_padding(true);
|
||||
}
|
||||
|
||||
/**
|
||||
* Add role to buffer.
|
||||
*
|
||||
* @param member Relation member object where the length of the role
|
||||
* will be set.
|
||||
* @param role \0-terminated role.
|
||||
*/
|
||||
void add_role(osmium::RelationMember& member, const char* role) {
|
||||
add_role(member, role, static_cast_with_assert<string_size_type>(std::strlen(role) + 1));
|
||||
}
|
||||
|
||||
/**
|
||||
* Add role to buffer.
|
||||
*
|
||||
* @param member Relation member object where the length of the role
|
||||
* will be set.
|
||||
* @param role Role.
|
||||
*/
|
||||
void add_role(osmium::RelationMember& member, const std::string& role) {
|
||||
add_role(member, role.data(), static_cast_with_assert<string_size_type>(role.size() + 1));
|
||||
}
|
||||
|
||||
public:
|
||||
|
||||
explicit RelationMemberListBuilder(osmium::memory::Buffer& buffer, Builder* parent=nullptr) :
|
||||
ObjectBuilder<RelationMemberList>(buffer, parent) {
|
||||
}
|
||||
|
||||
~RelationMemberListBuilder() {
|
||||
add_padding();
|
||||
}
|
||||
|
||||
/**
|
||||
* Add a member to the relation.
|
||||
*
|
||||
* @param type The type (node, way, or relation).
|
||||
* @param ref The ID of the member.
|
||||
* @param role The role of the member.
|
||||
* @param full_member Optional pointer to the member object. If it
|
||||
* is available a copy will be added to the
|
||||
* relation.
|
||||
*/
|
||||
void add_member(osmium::item_type type, object_id_type ref, const char* role, const osmium::OSMObject* full_member = nullptr) {
|
||||
osmium::RelationMember* member = reserve_space_for<osmium::RelationMember>();
|
||||
new (member) osmium::RelationMember(ref, type, full_member != nullptr);
|
||||
add_size(sizeof(RelationMember));
|
||||
add_role(*member, role);
|
||||
if (full_member) {
|
||||
add_item(full_member);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Add a member to the relation.
|
||||
*
|
||||
* @param type The type (node, way, or relation).
|
||||
* @param ref The ID of the member.
|
||||
* @param role The role of the member.
|
||||
* @param full_member Optional pointer to the member object. If it
|
||||
* is available a copy will be added to the
|
||||
* relation.
|
||||
*/
|
||||
void add_member(osmium::item_type type, object_id_type ref, const std::string& role, const osmium::OSMObject* full_member = nullptr) {
|
||||
osmium::RelationMember* member = reserve_space_for<osmium::RelationMember>();
|
||||
new (member) osmium::RelationMember(ref, type, full_member != nullptr);
|
||||
add_size(sizeof(RelationMember));
|
||||
add_role(*member, role);
|
||||
if (full_member) {
|
||||
add_item(full_member);
|
||||
}
|
||||
}
|
||||
|
||||
}; // class RelationMemberListBuilder
|
||||
|
||||
template <class T>
|
||||
class OSMObjectBuilder : public ObjectBuilder<T> {
|
||||
|
||||
public:
|
||||
|
||||
explicit OSMObjectBuilder(osmium::memory::Buffer& buffer, Builder* parent=nullptr) :
|
||||
ObjectBuilder<T>(buffer, parent) {
|
||||
static_cast<Builder*>(this)->reserve_space_for<string_size_type>();
|
||||
static_cast<Builder*>(this)->add_size(sizeof(string_size_type));
|
||||
}
|
||||
|
||||
void add_tags(const std::initializer_list<std::pair<const char*, const char*>>& tags) {
|
||||
osmium::builder::TagListBuilder tl_builder(static_cast<Builder*>(this)->buffer(), this);
|
||||
for (const auto& p : tags) {
|
||||
tl_builder.add_tag(p.first, p.second);
|
||||
}
|
||||
}
|
||||
|
||||
}; // class OSMObjectBuilder
|
||||
|
||||
typedef OSMObjectBuilder<osmium::Node> NodeBuilder;
|
||||
typedef OSMObjectBuilder<osmium::Relation> RelationBuilder;
|
||||
|
||||
class WayBuilder : public OSMObjectBuilder<osmium::Way> {
|
||||
|
||||
public:
|
||||
|
||||
explicit WayBuilder(osmium::memory::Buffer& buffer, Builder* parent=nullptr) :
|
||||
OSMObjectBuilder<osmium::Way>(buffer, parent) {
|
||||
}
|
||||
|
||||
void add_node_refs(const std::initializer_list<osmium::NodeRef>& nodes) {
|
||||
osmium::builder::WayNodeListBuilder builder(buffer(), this);
|
||||
for (const auto& node_ref : nodes) {
|
||||
builder.add_node_ref(node_ref);
|
||||
}
|
||||
}
|
||||
|
||||
}; // class WayBuilder
|
||||
|
||||
class AreaBuilder : public OSMObjectBuilder<osmium::Area> {
|
||||
|
||||
public:
|
||||
|
||||
explicit AreaBuilder(osmium::memory::Buffer& buffer, Builder* parent=nullptr) :
|
||||
OSMObjectBuilder<osmium::Area>(buffer, parent) {
|
||||
}
|
||||
|
||||
/**
|
||||
* Initialize area attributes from the attributes of the given object.
|
||||
*/
|
||||
void initialize_from_object(const osmium::OSMObject& source) {
|
||||
osmium::Area& area = object();
|
||||
area.set_id(osmium::object_id_to_area_id(source.id(), source.type()));
|
||||
area.set_version(source.version());
|
||||
area.set_changeset(source.changeset());
|
||||
area.set_timestamp(source.timestamp());
|
||||
area.set_visible(source.visible());
|
||||
area.set_uid(source.uid());
|
||||
|
||||
add_user(source.user());
|
||||
}
|
||||
|
||||
}; // class AreaBuilder
|
||||
|
||||
typedef ObjectBuilder<osmium::Changeset> ChangesetBuilder;
|
||||
|
||||
} // namespace builder
|
||||
|
||||
} // namespace osmium
|
||||
|
||||
#endif // OSMIUM_BUILDER_OSM_OBJECT_BUILDER_HPP
|
||||
Reference in New Issue
Block a user