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Make GetSemantic(i) return a constexpr #266

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Make GetSemantic(i) return a constexpr #266

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5e12a12
make GetSemantic() constexpr
robUx4 Feb 24, 2024
cd99595
make EBML_CTX_IDX return a constexpr
robUx4 Feb 24, 2024
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11 changes: 9 additions & 2 deletions ebml/EbmlElement.h
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
#include <string>
#include <limits>
#include <cstddef>
#include <stdexcept>

namespace libebml {

Expand Down Expand Up @@ -526,13 +527,19 @@ class EBML_DLL_API EbmlSemanticContextMaster : public EbmlSemanticContext {
return false;
}

const EbmlSemantic & GetSemantic(std::size_t i) const;
inline constexpr const EbmlSemantic & GetSemantic(std::size_t i) const
{
if (i<GetSize())
return MyTable[i];

throw std::logic_error("EbmlSemanticContext::GetSemantic: programming error: index outside of table size");
}

private:
const EbmlSemantic *MyTable; ///< First element in the table
};

static inline const EbmlSemantic & tEBML_CTX_IDX(const EbmlSemanticContextMaster & c, std::size_t i)
static inline constexpr const EbmlSemantic & tEBML_CTX_IDX(const EbmlSemanticContextMaster & c, std::size_t i)
{
return c.GetSemantic(i);
}
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12 changes: 0 additions & 12 deletions src/EbmlMaster.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -43,18 +43,6 @@ EbmlMaster::~EbmlMaster()
}
}

const EbmlSemantic & EbmlSemanticContextMaster::GetSemantic(std::size_t i) const
{
assert(i<GetSize());
if (i<GetSize())
return MyTable[i];

std::stringstream ss;
ss << "EbmlSemanticContext::GetSemantic: programming error: index i outside of table size (" << i << " >= " << GetSize() << ")";
throw std::logic_error(ss.str());
}


/*!
\todo handle exception on errors
\todo write all the Mandatory elements in the Context, otherwise assert
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