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| author | jacqueline <me@jacqueline.id.au> | 2022-12-02 13:39:00 +1100 |
|---|---|---|
| committer | jacqueline <me@jacqueline.id.au> | 2022-12-02 13:39:00 +1100 |
| commit | 222c810b07ffc635fc7908d121e97e4d65ccc5c8 (patch) | |
| tree | 91c7b5c72a11770ebf3695bf0c234597b2bc419d /src/cbor/include/cbor_decoder.hpp | |
| parent | 71a4f5166f5491dc0982a18d62c63e28b3a52faa (diff) | |
| download | tangara-fw-222c810b07ffc635fc7908d121e97e4d65ccc5c8.tar.gz | |
fix build errors
Diffstat (limited to 'src/cbor/include/cbor_decoder.hpp')
| -rw-r--r-- | src/cbor/include/cbor_decoder.hpp | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/src/cbor/include/cbor_decoder.hpp b/src/cbor/include/cbor_decoder.hpp deleted file mode 100644 index 879a1efa..00000000 --- a/src/cbor/include/cbor_decoder.hpp +++ /dev/null @@ -1,145 +0,0 @@ -#pragma once - -#include <stdint.h> - -#include <cstdint> - -#include "cbor.h" - -namespace cbor { - -static auto parse_stdstring(CborValue* val, std::string* out) -> CborError { - uint8_t* buf; - size_t len; - CborError err = cbor_value_dup_byte_string(val, &buf, &len, NULL); - if (err != CborNoError) { - return err; - } - *out = std::move(std::string(buf, len)); - free(buf); - return err -} - -class ArrayDecoder { - public: - static auto Create(uint8_t* buffer, size_t buffer_len) - -> cpp::result<std::unique_ptr<ArrayDecoder>, CborError>; - - static auto Create(CborValue& root) - -> cpp::result<std::unique_ptr<ArrayDecoder>, CborError>; - - template <typename T> - auto NextValue() -> cpp::result<T, CborError>; - - template <> - auto NextValue() -> cpp::result<int64_t, CborError> { - return NextValue(&cbor_value_is_integer, &cbor_value_get_int); - } - template <> - auto NextValue() -> cpp::result<uint64_t, CborError> { - return NextValue(&cbor_value_is_unsigned_integer, &cbor_value_get_uint64); - } - template <> - auto NextValue() -> cpp::result<std::string, CborError> { - return NextValue(&cbor_value_is_byte_string, &parse_stdstring); - } - - template <typename T> - auto NextValue(bool (*is_valid)(CborValue*), - CborError (*parse)(CborValue*, T*)) - -> cpp::result<T, CborError> { - if (error_ != CborNoError) { - return cpp::fail(error_); - } - if (!is_valid(&it_)) { - error_ = CborErrorIllegalType; - return cpp::fail(error_); - } - T ret; - error_ = parse(&it_, &ret); - if (error_ != CborNoError) { - return cpp::fail(error_); - } - error_ = cbor_value_advance(&it_); - if (error_ != CborNoError) { - return cpp::fail(error_); - } - return ret; - } - - auto Failed() -> CborError { return error_; } - - auto Iterator() -> CborValue& { return it_; } - - ArrayDecoder(const ArrayDecoder&) = delete; - ArrayDecoder& operator=(const ArrayDecoder&) = delete; - - private: - CborParser parser_; - CborValue root_; - - CborValue it_; - CborError error_ = CborNoError; -}; - -class MapDecoder { - public: - static auto Create(uint8_t* buffer, size_t buffer_len) - -> cpp::result<std::unique_ptr<MapDecoder>, CborError>; - - static auto Create(CborValue& root) - -> cpp::result<std::unique_ptr<MapDecoder>, CborError>; - - template <typename T> - auto FindValue(const std::string& key) -> std::optional<T>; - - template <> - auto FindValue(const std::string& key) -> std::optional<int64_t> { - return FindValue(key, &cbor_value_is_integer, &cbor_value_get_int); - } - template <> - auto FindValue(const std::string& key) -> std::optional<uint64_t> { - return FindValue(key, &cbor_value_is_unsigned_integer, - &cbor_value_get_uint64); - } - template <> - auto FindValue(const std::string& key) -> std::optional<std::string> { - return FindValue(key, &cbor_value_is_byte_string, &parse_stdstring); - } - - template <typename T> - auto FindValue(const std::string& key, - bool (*is_valid)(CborValue*), - CborError (*parse)(CborValue*, T*)) -> std::optional<T> { - if (error_ != CborNoError) { - return {}; - } - if (cbor_value_map_find_value(&it_, key.c_str(), &val) != CborNoError) { - return {}; - } - if (!is_valid(&val)) { - error_ = CborErrorIllegalType; - return {}; - } - T ret; - error_ = parse(&val, &ret); - if (error_ != CborNoError) { - return cpp::fail(error_); - } - return ret; - } - - auto Failed() -> CborError { return error_; } - - MapDecoder(const MapDecoder&) = delete; - MapDecoder& operator=(const MapDecoder&) = delete; - - private: - CborParser parser_; - CborValue root_; - - CborValue it_; - CborError error_ = CborNoError; -}; - -} // namespace cbor |
