Amebis/GEANTLink
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Make (un)packing of std C++ string explicit

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Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman 2019-08-14 08:55:32 +02:00
parent 35fd9fbbac
commit 8a093c645e
1 changed files with 15 additions and 15 deletions
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30
lib/EAPBase/include/EAP.h
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@ -262,7 +262,7 @@ inline void operator>>(_Inout_ eap::cursor_in &cursor, _Out_ size_t &val);
/// \param[inout] cursor Memory cursor
/// \param[in] val String to pack
///
template<class _Elem, class _Traits, class _Ax> inline void operator<<(_Inout_ eap::cursor_out &cursor, _In_ const std::basic_string<_Elem, _Traits, _Ax> &val);
template<class _Traits, class _Ax> inline void operator<<(_Inout_ eap::cursor_out &cursor, _In_ const std::basic_string<char, _Traits, _Ax> &val);
///
/// Returns packed size of a string
@ -271,7 +271,7 @@ template<class _Elem, class _Traits, class _Ax> inline void operator<<(_Inout_ e
///
/// \returns Size of data when packed (in bytes)
///
template<class _Elem, class _Traits, class _Ax> inline size_t pksizeof(_In_ const std::basic_string<_Elem, _Traits, _Ax> &val);
template<class _Traits, class _Ax> inline size_t pksizeof(_In_ const std::basic_string<char, _Traits, _Ax> &val);
///
/// Unpacks a string
@ -279,7 +279,7 @@ template<class _Elem, class _Traits, class _Ax> inline size_t pksizeof(_In_ cons
/// \param[inout] cursor Memory cursor
/// \param[out] val String to unpack to
///
template<class _Elem, class _Traits, class _Ax> inline void operator>>(_Inout_ eap::cursor_in &cursor, _Out_ std::basic_string<_Elem, _Traits, _Ax> &val);
template<class _Traits, class _Ax> inline void operator>>(_Inout_ eap::cursor_in &cursor, _Out_ std::basic_string<char, _Traits, _Ax> &val);
///
/// Packs a wide string
@ -1062,34 +1062,34 @@ inline void operator>>(_Inout_ eap::cursor_in &cursor, _Out_ size_t &val)
#endif
template<class _Elem, class _Traits, class _Ax>
inline void operator<<(_Inout_ eap::cursor_out &cursor, _In_ const std::basic_string<_Elem, _Traits, _Ax> &val)
template<class _Traits, class _Ax>
inline void operator<<(_Inout_ eap::cursor_out &cursor, _In_ const std::basic_string<char, _Traits, _Ax> &val)
{
size_t count = val.length();
assert(strlen(val.c_str()) == count); // String should not contain zero terminators.
size_t size = sizeof(_Elem)*(count + 1);
size_t size = sizeof(char)*(count + 1);
auto ptr_end = cursor.ptr + size;
assert(ptr_end <= cursor.ptr_end);
memcpy(cursor.ptr, (const _Elem*)val.c_str(), size);
memcpy(cursor.ptr, (const char*)val.c_str(), size);
cursor.ptr = ptr_end;
}
template<class _Elem, class _Traits, class _Ax>
inline size_t pksizeof(_In_ const std::basic_string<_Elem, _Traits, _Ax> &val)
template<class _Traits, class _Ax>
inline size_t pksizeof(_In_ const std::basic_string<char, _Traits, _Ax> &val)
{
return sizeof(_Elem)*(val.length() + 1);
return sizeof(char)*(val.length() + 1);
}
template<class _Elem, class _Traits, class _Ax>
inline void operator>>(_Inout_ eap::cursor_in &cursor, _Out_ std::basic_string<_Elem, _Traits, _Ax> &val)
template<class _Traits, class _Ax>
inline void operator>>(_Inout_ eap::cursor_in &cursor, _Out_ std::basic_string<char, _Traits, _Ax> &val)
{
size_t count_max = cursor.ptr_end - cursor.ptr;
size_t count = strnlen((const _Elem*&)cursor.ptr, count_max);
size_t count = strnlen((const char*)cursor.ptr, count_max);
assert(count < count_max); // String should be zero terminated.
val.assign((const _Elem*&)cursor.ptr, count);
cursor.ptr += sizeof(_Elem)*(count + 1);
val.assign((const char*)cursor.ptr, count);
cursor.ptr += sizeof(char)*(count + 1);
}