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54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
#ifndef _C4_YML_STD_VECTOR_HPP_
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#define _C4_YML_STD_VECTOR_HPP_
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#include "c4/yml/node.hpp"
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#include <c4/std/vector.hpp>
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#include <vector>
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namespace c4 {
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namespace yml {
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// vector is a sequence-like type, and it requires child nodes
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// in the data tree hierarchy (a SEQ node in ryml parlance).
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// So it should be serialized via write()/read().
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template<class V, class Alloc>
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void write(c4::yml::NodeRef *n, std::vector<V, Alloc> const& vec)
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{
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*n |= c4::yml::SEQ;
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for(auto const& v : vec)
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n->append_child() << v;
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}
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template<class V, class Alloc>
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bool read(c4::yml::ConstNodeRef const& n, std::vector<V, Alloc> *vec)
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{
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vec->resize(n.num_children());
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size_t pos = 0;
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for(auto const ch : n)
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ch >> (*vec)[pos++];
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return true;
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}
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/** specialization: std::vector<bool> uses std::vector<bool>::reference as
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* the return value of its operator[]. */
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template<class Alloc>
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bool read(c4::yml::ConstNodeRef const& n, std::vector<bool, Alloc> *vec)
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{
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vec->resize(n.num_children());
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size_t pos = 0;
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bool tmp;
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for(auto const ch : n)
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{
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ch >> tmp;
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(*vec)[pos++] = tmp;
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}
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return true;
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}
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} // namespace yml
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} // namespace c4
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#endif // _C4_YML_STD_VECTOR_HPP_
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