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https://github.com/XRPLF/rippled.git
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66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
#include <xrpl/protocol/SOTemplate.h>
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#include <xrpl/basics/contract.h>
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#include <xrpl/protocol/SField.h>
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#include <algorithm>
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#include <cstddef>
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#include <initializer_list>
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#include <iterator>
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#include <stdexcept>
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#include <utility>
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#include <vector>
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namespace xrpl {
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SOTemplate::SOTemplate(
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std::initializer_list<SOElement> uniqueFields,
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std::initializer_list<SOElement> commonFields)
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: SOTemplate(std::vector(uniqueFields), std::vector(commonFields))
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{
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}
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SOTemplate::SOTemplate(std::vector<SOElement> uniqueFields, std::vector<SOElement> commonFields)
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: elements_(std::move(uniqueFields))
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, indices_(SField::getNumFields() + 1, -1) // Unmapped indices == -1
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{
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// Add all SOElements.
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//
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std::ranges::move(commonFields, std::back_inserter(elements_));
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// Validate and index elements_.
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//
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for (std::size_t i = 0; i < elements_.size(); ++i)
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{
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SField const& sField{elements_[i].sField()};
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// Make sure the field's index is in range
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//
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if (sField.getNum() <= 0 || sField.getNum() >= indices_.size())
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Throw<std::runtime_error>("Invalid field index for SOTemplate.");
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// Make sure that this field hasn't already been assigned
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//
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if (getIndex(sField) != -1)
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Throw<std::runtime_error>("Duplicate field index for SOTemplate.");
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// Add the field to the index mapping table
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//
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indices_[sField.getNum()] = i;
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}
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}
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int
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SOTemplate::getIndex(SField const& sField) const
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{
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// The mapping table should be large enough for any possible field
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//
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if (sField.getNum() <= 0 || sField.getNum() >= indices_.size())
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Throw<std::runtime_error>("Invalid field index for getIndex().");
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return indices_[sField.getNum()];
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}
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} // namespace xrpl
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