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[C++] Split flatbuffers.h into separate files (#6868)

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* split flatbuffers.h into separate files

* wrong variable in cmakelists for android

* readded two accidentally deleted includes

* created buffer.h and moved buffer related things over
This commit is contained in:
Derek Bailey
2021-11-10 22:26:09 -08:00
committed by GitHub
parent fd4ff23da0
commit 6c8c291559
21 changed files with 3218 additions and 2810 deletions
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36
include/flatbuffers/base.h
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@@ -335,6 +335,9 @@ typedef uintmax_t largest_scalar_t;
// We support aligning the contents of buffers up to this size.
#define FLATBUFFERS_MAX_ALIGNMENT 16
/// @brief The length of a FlatBuffer file header.
static const size_t kFileIdentifierLength = 4;
inline bool VerifyAlignmentRequirements(size_t align, size_t min_align = 1) {
return (min_align <= align) && (align <= (FLATBUFFERS_MAX_ALIGNMENT)) &&
(align & (align - 1)) == 0; // must be power of 2
@@ -438,5 +441,38 @@ inline size_t PaddingBytes(size_t buf_size, size_t scalar_size) {
return ((~buf_size) + 1) & (scalar_size - 1);
}
// Generic 'operator==' with conditional specialisations.
// T e - new value of a scalar field.
// T def - default of scalar (is known at compile-time).
template<typename T> inline bool IsTheSameAs(T e, T def) { return e == def; }
#if defined(FLATBUFFERS_NAN_DEFAULTS) && \
defined(FLATBUFFERS_HAS_NEW_STRTOD) && (FLATBUFFERS_HAS_NEW_STRTOD > 0)
// Like `operator==(e, def)` with weak NaN if T=(float|double).
template<typename T> inline bool IsFloatTheSameAs(T e, T def) {
return (e == def) || ((def != def) && (e != e));
}
template<> inline bool IsTheSameAs<float>(float e, float def) {
return IsFloatTheSameAs(e, def);
}
template<> inline bool IsTheSameAs<double>(double e, double def) {
return IsFloatTheSameAs(e, def);
}
#endif
// Check 'v' is out of closed range [low; high].
// Workaround for GCC warning [-Werror=type-limits]:
// comparison is always true due to limited range of data type.
template<typename T>
inline bool IsOutRange(const T &v, const T &low, const T &high) {
return (v < low) || (high < v);
}
// Check 'v' is in closed range [low; high].
template<typename T>
inline bool IsInRange(const T &v, const T &low, const T &high) {
return !IsOutRange(v, low, high);
}
} // namespace flatbuffers
#endif // FLATBUFFERS_BASE_H_