pbf_builder.hpp
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#ifndef PROTOZERO_PBF_BUILDER_HPP
#define PROTOZERO_PBF_BUILDER_HPP
/*****************************************************************************
protozero - Minimalistic protocol buffer decoder and encoder in C++.
This file is from https://github.com/mapbox/protozero where you can find more
documentation.
*****************************************************************************/
#include <type_traits>
#include <protozero/pbf_types.hpp>
#include <protozero/pbf_writer.hpp>
namespace protozero {
template <typename T>
class pbf_builder : public pbf_writer {
static_assert(std::is_same<pbf_tag_type, typename std::underlying_type<T>::type>::value,
"T must be enum with underlying type protozero::pbf_tag_type");
public:
using enum_type = T;
pbf_builder(std::string& data) noexcept :
pbf_writer(data) {
}
template <typename P>
pbf_builder(pbf_writer& parent_writer, P tag) noexcept :
pbf_writer(parent_writer, pbf_tag_type(tag)) {
}
#define PROTOZERO_WRITER_WRAP_ADD_SCALAR(name, type) \
inline void add_##name(T tag, type value) { \
pbf_writer::add_##name(pbf_tag_type(tag), value); \
}
PROTOZERO_WRITER_WRAP_ADD_SCALAR(bool, bool)
PROTOZERO_WRITER_WRAP_ADD_SCALAR(enum, int32_t)
PROTOZERO_WRITER_WRAP_ADD_SCALAR(int32, int32_t)
PROTOZERO_WRITER_WRAP_ADD_SCALAR(sint32, int32_t)
PROTOZERO_WRITER_WRAP_ADD_SCALAR(uint32, uint32_t)
PROTOZERO_WRITER_WRAP_ADD_SCALAR(int64, int64_t)
PROTOZERO_WRITER_WRAP_ADD_SCALAR(sint64, int64_t)
PROTOZERO_WRITER_WRAP_ADD_SCALAR(uint64, uint64_t)
PROTOZERO_WRITER_WRAP_ADD_SCALAR(fixed32, uint32_t)
PROTOZERO_WRITER_WRAP_ADD_SCALAR(sfixed32, int32_t)
PROTOZERO_WRITER_WRAP_ADD_SCALAR(fixed64, uint64_t)
PROTOZERO_WRITER_WRAP_ADD_SCALAR(sfixed64, int64_t)
PROTOZERO_WRITER_WRAP_ADD_SCALAR(float, float)
PROTOZERO_WRITER_WRAP_ADD_SCALAR(double, double)
#undef PROTOZERO_WRITER_WRAP_ADD_SCALAR
inline void add_bytes(T tag, const char* value, size_t size) {
pbf_writer::add_bytes(pbf_tag_type(tag), value, size);
}
inline void add_bytes(T tag, const std::string& value) {
pbf_writer::add_bytes(pbf_tag_type(tag), value);
}
inline void add_string(T tag, const char* value, size_t size) {
pbf_writer::add_string(pbf_tag_type(tag), value, size);
}
inline void add_string(T tag, const std::string& value) {
pbf_writer::add_string(pbf_tag_type(tag), value);
}
inline void add_string(T tag, const char* value) {
pbf_writer::add_string(pbf_tag_type(tag), value);
}
inline void add_message(T tag, const char* value, size_t size) {
pbf_writer::add_message(pbf_tag_type(tag), value, size);
}
inline void add_message(T tag, const std::string& value) {
pbf_writer::add_message(pbf_tag_type(tag), value);
}
#define PROTOZERO_WRITER_WRAP_ADD_PACKED(name) \
template <typename InputIterator> \
inline void add_packed_##name(T tag, InputIterator first, InputIterator last) { \
pbf_writer::add_packed_##name(pbf_tag_type(tag), first, last); \
}
PROTOZERO_WRITER_WRAP_ADD_PACKED(bool)
PROTOZERO_WRITER_WRAP_ADD_PACKED(enum)
PROTOZERO_WRITER_WRAP_ADD_PACKED(int32)
PROTOZERO_WRITER_WRAP_ADD_PACKED(sint32)
PROTOZERO_WRITER_WRAP_ADD_PACKED(uint32)
PROTOZERO_WRITER_WRAP_ADD_PACKED(int64)
PROTOZERO_WRITER_WRAP_ADD_PACKED(sint64)
PROTOZERO_WRITER_WRAP_ADD_PACKED(uint64)
PROTOZERO_WRITER_WRAP_ADD_PACKED(fixed32)
PROTOZERO_WRITER_WRAP_ADD_PACKED(sfixed32)
PROTOZERO_WRITER_WRAP_ADD_PACKED(fixed64)
PROTOZERO_WRITER_WRAP_ADD_PACKED(sfixed64)
PROTOZERO_WRITER_WRAP_ADD_PACKED(float)
PROTOZERO_WRITER_WRAP_ADD_PACKED(double)
#undef PROTOZERO_WRITER_WRAP_ADD_PACKED
};
} // end namespace protozero
#endif // PROTOZERO_PBF_BUILDER_HPP
protozero::pbf_writer
Definition: pbf_writer.hpp:42
pbf_types.hpp
Contains the declaration of low-level types used in the pbf format.
protozero::pbf_tag_type
uint32_t pbf_tag_type
Definition: pbf_types.hpp:26
protozero::pbf_builder
Definition: pbf_builder.hpp:38
pbf_writer.hpp
Contains the pbf_writer class.
protozero::pbf_writer::pbf_writer
pbf_writer() noexcept
Definition: pbf_writer.hpp:176
protozero::pbf_writer::add_bytes
void add_bytes(pbf_tag_type tag, const char *value, size_t size)
Definition: pbf_writer.hpp:375
protozero::pbf_writer::add_string
void add_string(pbf_tag_type tag, const char *value, size_t size)
Definition: pbf_writer.hpp:400
protozero::pbf_writer::add_message
void add_message(pbf_tag_type tag, const char *value, size_t size)
Definition: pbf_writer.hpp:432
protozero
All parts of the protozero header-only library are in this namespace.
Definition: byteswap.hpp:24