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authorMax Bires <jbires@google.com>2020-04-09 23:40:02 +0000
committerMax Bires <jbires@google.com>2020-04-09 23:40:02 +0000
commitaf2e2a6c6d9dc174ac4d65766ba0ebc3f553afaf (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /include/cppbor
parenta7b145a6a5d05b89e9769ffea84d1068ef32bd4e (diff)
downloadlibcppbor-af2e2a6c6d9dc174ac4d65766ba0ebc3f553afaf.tar.gz
Revert "Adding the initial commit for libcppbor"
This reverts commit a7b145a6a5d05b89e9769ffea84d1068ef32bd4e. Reason for revert: Need to submit with altered binary names Change-Id: I73a6e442fdbd955bbbd9ab03a7c3096deabbc786
Diffstat (limited to 'include/cppbor')
-rw-r--r--include/cppbor/cppbor.h827
-rw-r--r--include/cppbor/cppbor_parse.h133
2 files changed, 0 insertions, 960 deletions
diff --git a/include/cppbor/cppbor.h b/include/cppbor/cppbor.h
deleted file mode 100644
index 8fb7cc6..0000000
--- a/include/cppbor/cppbor.h
+++ /dev/null
@@ -1,827 +0,0 @@
-/*
- * Copyright 2019 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <cstdint>
-#include <functional>
-#include <iterator>
-#include <memory>
-#include <numeric>
-#include <string>
-#include <vector>
-
-namespace cppbor {
-
-enum MajorType : uint8_t {
- UINT = 0 << 5,
- NINT = 1 << 5,
- BSTR = 2 << 5,
- TSTR = 3 << 5,
- ARRAY = 4 << 5,
- MAP = 5 << 5,
- SEMANTIC = 6 << 5,
- SIMPLE = 7 << 5,
-};
-
-enum SimpleType {
- BOOLEAN,
- NULL_T, // Only two supported, as yet.
-};
-
-enum SpecialAddlInfoValues : uint8_t {
- FALSE = 20,
- TRUE = 21,
- NULL_V = 22,
- ONE_BYTE_LENGTH = 24,
- TWO_BYTE_LENGTH = 25,
- FOUR_BYTE_LENGTH = 26,
- EIGHT_BYTE_LENGTH = 27,
-};
-
-class Item;
-class Uint;
-class Nint;
-class Int;
-class Tstr;
-class Bstr;
-class Simple;
-class Bool;
-class Array;
-class Map;
-class Null;
-class Semantic;
-
-/**
- * Returns the size of a CBOR header that contains the additional info value addlInfo.
- */
-size_t headerSize(uint64_t addlInfo);
-
-/**
- * Encodes a CBOR header with the specified type and additional info into the range [pos, end).
- * Returns a pointer to one past the last byte written, or nullptr if there isn't sufficient space
- * to write the header.
- */
-uint8_t* encodeHeader(MajorType type, uint64_t addlInfo, uint8_t* pos, const uint8_t* end);
-
-using EncodeCallback = std::function<void(uint8_t)>;
-
-/**
- * Encodes a CBOR header with the specified type and additional info, passing each byte in turn to
- * encodeCallback.
- */
-void encodeHeader(MajorType type, uint64_t addlInfo, EncodeCallback encodeCallback);
-
-/**
- * Encodes a CBOR header witht he specified type and additional info, writing each byte to the
- * provided OutputIterator.
- */
-template <typename OutputIterator,
- typename = std::enable_if_t<std::is_base_of_v<
- std::output_iterator_tag,
- typename std::iterator_traits<OutputIterator>::iterator_category>>>
-void encodeHeader(MajorType type, uint64_t addlInfo, OutputIterator iter) {
- return encodeHeader(type, addlInfo, [&](uint8_t v) { *iter++ = v; });
-}
-
-/**
- * Item represents a CBOR-encodeable data item. Item is an abstract interface with a set of virtual
- * methods that allow encoding of the item or conversion to the appropriate derived type.
- */
-class Item {
- public:
- virtual ~Item() {}
-
- /**
- * Returns the CBOR type of the item.
- */
- virtual MajorType type() const = 0;
-
- // These methods safely downcast an Item to the appropriate subclass.
- virtual const Int* asInt() const { return nullptr; }
- virtual const Uint* asUint() const { return nullptr; }
- virtual const Nint* asNint() const { return nullptr; }
- virtual const Tstr* asTstr() const { return nullptr; }
- virtual const Bstr* asBstr() const { return nullptr; }
- virtual const Simple* asSimple() const { return nullptr; }
- virtual const Map* asMap() const { return nullptr; }
- virtual const Array* asArray() const { return nullptr; }
- virtual const Semantic* asSemantic() const { return nullptr; }
-
- /**
- * Returns true if this is a "compound" item, i.e. one that contains one or more other items.
- */
- virtual bool isCompound() const { return false; }
-
- bool operator==(const Item& other) const&;
- bool operator!=(const Item& other) const& { return !(*this == other); }
-
- /**
- * Returns the number of bytes required to encode this Item into CBOR. Note that if this is a
- * complex Item, calling this method will require walking the whole tree.
- */
- virtual size_t encodedSize() const = 0;
-
- /**
- * Encodes the Item into buffer referenced by range [*pos, end). Returns a pointer to one past
- * the last position written. Returns nullptr if there isn't enough space to encode.
- */
- virtual uint8_t* encode(uint8_t* pos, const uint8_t* end) const = 0;
-
- /**
- * Encodes the Item by passing each encoded byte to encodeCallback.
- */
- virtual void encode(EncodeCallback encodeCallback) const = 0;
-
- /**
- * Clones the Item
- */
- virtual std::unique_ptr<Item> clone() const = 0;
-
- /**
- * Encodes the Item into the provided OutputIterator.
- */
- template <typename OutputIterator,
- typename = typename std::iterator_traits<OutputIterator>::iterator_category>
- void encode(OutputIterator i) const {
- return encode([&](uint8_t v) { *i++ = v; });
- }
-
- /**
- * Encodes the Item into a new std::vector<uint8_t>.
- */
- std::vector<uint8_t> encode() const {
- std::vector<uint8_t> retval;
- retval.reserve(encodedSize());
- encode(std::back_inserter(retval));
- return retval;
- }
-
- /**
- * Encodes the Item into a new std::string.
- */
- std::string toString() const {
- std::string retval;
- retval.reserve(encodedSize());
- encode([&](uint8_t v) { retval.push_back(v); });
- return retval;
- }
-
- /**
- * Encodes only the header of the Item.
- */
- inline uint8_t* encodeHeader(uint64_t addlInfo, uint8_t* pos, const uint8_t* end) const {
- return ::cppbor::encodeHeader(type(), addlInfo, pos, end);
- }
-
- /**
- * Encodes only the header of the Item.
- */
- inline void encodeHeader(uint64_t addlInfo, EncodeCallback encodeCallback) const {
- ::cppbor::encodeHeader(type(), addlInfo, encodeCallback);
- }
-};
-
-/**
- * Int is an abstraction that allows Uint and Nint objects to be manipulated without caring about
- * the sign.
- */
-class Int : public Item {
- public:
- bool operator==(const Int& other) const& { return value() == other.value(); }
-
- virtual int64_t value() const = 0;
-
- const Int* asInt() const override { return this; }
-};
-
-/**
- * Uint is a concrete Item that implements CBOR major type 0.
- */
-class Uint : public Int {
- public:
- static constexpr MajorType kMajorType = UINT;
-
- explicit Uint(uint64_t v) : mValue(v) {}
-
- bool operator==(const Uint& other) const& { return mValue == other.mValue; }
-
- MajorType type() const override { return kMajorType; }
- const Uint* asUint() const override { return this; }
-
- size_t encodedSize() const override { return headerSize(mValue); }
-
- int64_t value() const override { return mValue; }
- uint64_t unsignedValue() const { return mValue; }
-
- using Item::encode;
- uint8_t* encode(uint8_t* pos, const uint8_t* end) const override {
- return encodeHeader(mValue, pos, end);
- }
- void encode(EncodeCallback encodeCallback) const override {
- encodeHeader(mValue, encodeCallback);
- }
-
- virtual std::unique_ptr<Item> clone() const override { return std::make_unique<Uint>(mValue); }
-
- private:
- uint64_t mValue;
-};
-
-/**
- * Nint is a concrete Item that implements CBOR major type 1.
-
- * Note that it is incapable of expressing the full range of major type 1 values, becaue it can only
- * express values that fall into the range [std::numeric_limits<int64_t>::min(), -1]. It cannot
- * express values in the range [std::numeric_limits<int64_t>::min() - 1,
- * -std::numeric_limits<uint64_t>::max()].
- */
-class Nint : public Int {
- public:
- static constexpr MajorType kMajorType = NINT;
-
- explicit Nint(int64_t v);
-
- bool operator==(const Nint& other) const& { return mValue == other.mValue; }
-
- MajorType type() const override { return kMajorType; }
- const Nint* asNint() const override { return this; }
- size_t encodedSize() const override { return headerSize(addlInfo()); }
-
- int64_t value() const override { return mValue; }
-
- using Item::encode;
- uint8_t* encode(uint8_t* pos, const uint8_t* end) const override {
- return encodeHeader(addlInfo(), pos, end);
- }
- void encode(EncodeCallback encodeCallback) const override {
- encodeHeader(addlInfo(), encodeCallback);
- }
-
- virtual std::unique_ptr<Item> clone() const override { return std::make_unique<Nint>(mValue); }
-
- private:
- uint64_t addlInfo() const { return -1ll - mValue; }
-
- int64_t mValue;
-};
-
-/**
- * Bstr is a concrete Item that implements major type 2.
- */
-class Bstr : public Item {
- public:
- static constexpr MajorType kMajorType = BSTR;
-
- // Construct from a vector
- explicit Bstr(std::vector<uint8_t> v) : mValue(std::move(v)) {}
-
- // Construct from a string
- explicit Bstr(const std::string& v)
- : mValue(reinterpret_cast<const uint8_t*>(v.data()),
- reinterpret_cast<const uint8_t*>(v.data()) + v.size()) {}
-
- // Construct from a pointer/size pair
- explicit Bstr(const std::pair<const uint8_t*, size_t>& buf)
- : mValue(buf.first, buf.first + buf.second) {}
-
- // Construct from a pair of iterators
- template <typename I1, typename I2,
- typename = typename std::iterator_traits<I1>::iterator_category,
- typename = typename std::iterator_traits<I2>::iterator_category>
- explicit Bstr(const std::pair<I1, I2>& pair) : mValue(pair.first, pair.second) {}
-
- // Construct from an iterator range.
- template <typename I1, typename I2,
- typename = typename std::iterator_traits<I1>::iterator_category,
- typename = typename std::iterator_traits<I2>::iterator_category>
- Bstr(I1 begin, I2 end) : mValue(begin, end) {}
-
- bool operator==(const Bstr& other) const& { return mValue == other.mValue; }
-
- MajorType type() const override { return kMajorType; }
- const Bstr* asBstr() const override { return this; }
- size_t encodedSize() const override { return headerSize(mValue.size()) + mValue.size(); }
- using Item::encode;
- uint8_t* encode(uint8_t* pos, const uint8_t* end) const override;
- void encode(EncodeCallback encodeCallback) const override {
- encodeHeader(mValue.size(), encodeCallback);
- encodeValue(encodeCallback);
- }
-
- const std::vector<uint8_t>& value() const { return mValue; }
-
- virtual std::unique_ptr<Item> clone() const override { return std::make_unique<Bstr>(mValue); }
-
- private:
- void encodeValue(EncodeCallback encodeCallback) const;
-
- std::vector<uint8_t> mValue;
-};
-
-/**
- * Bstr is a concrete Item that implements major type 3.
- */
-class Tstr : public Item {
- public:
- static constexpr MajorType kMajorType = TSTR;
-
- // Construct from a string
- explicit Tstr(std::string v) : mValue(std::move(v)) {}
-
- // Construct from a string_view
- explicit Tstr(const std::string_view& v) : mValue(v) {}
-
- // Construct from a C string
- explicit Tstr(const char* v) : mValue(std::string(v)) {}
-
- // Construct from a pair of iterators
- template <typename I1, typename I2,
- typename = typename std::iterator_traits<I1>::iterator_category,
- typename = typename std::iterator_traits<I2>::iterator_category>
- explicit Tstr(const std::pair<I1, I2>& pair) : mValue(pair.first, pair.second) {}
-
- // Construct from an iterator range
- template <typename I1, typename I2,
- typename = typename std::iterator_traits<I1>::iterator_category,
- typename = typename std::iterator_traits<I2>::iterator_category>
- Tstr(I1 begin, I2 end) : mValue(begin, end) {}
-
- bool operator==(const Tstr& other) const& { return mValue == other.mValue; }
-
- MajorType type() const override { return kMajorType; }
- const Tstr* asTstr() const override { return this; }
- size_t encodedSize() const override { return headerSize(mValue.size()) + mValue.size(); }
- using Item::encode;
- uint8_t* encode(uint8_t* pos, const uint8_t* end) const override;
- void encode(EncodeCallback encodeCallback) const override {
- encodeHeader(mValue.size(), encodeCallback);
- encodeValue(encodeCallback);
- }
-
- const std::string& value() const { return mValue; }
-
- virtual std::unique_ptr<Item> clone() const override { return std::make_unique<Tstr>(mValue); }
-
- private:
- void encodeValue(EncodeCallback encodeCallback) const;
-
- std::string mValue;
-};
-
-/**
- * CompoundItem is an abstract Item that provides common functionality for Items that contain other
- * items, i.e. Arrays (CBOR type 4) and Maps (CBOR type 5).
- */
-class CompoundItem : public Item {
- public:
- bool operator==(const CompoundItem& other) const&;
-
- virtual size_t size() const { return mEntries.size(); }
-
- bool isCompound() const override { return true; }
-
- size_t encodedSize() const override {
- return std::accumulate(mEntries.begin(), mEntries.end(), headerSize(size()),
- [](size_t sum, auto& entry) { return sum + entry->encodedSize(); });
- }
-
- using Item::encode; // Make base versions visible.
- uint8_t* encode(uint8_t* pos, const uint8_t* end) const override;
- void encode(EncodeCallback encodeCallback) const override;
-
- virtual uint64_t addlInfo() const = 0;
-
- protected:
- std::vector<std::unique_ptr<Item>> mEntries;
-};
-
-/*
- * Array is a concrete Item that implements CBOR major type 4.
- *
- * Note that Arrays are not copyable. This is because copying them is expensive and making them
- * move-only ensures that they're never copied accidentally. If you actually want to copy an Array,
- * use the clone() method.
- */
-class Array : public CompoundItem {
- public:
- static constexpr MajorType kMajorType = ARRAY;
-
- Array() = default;
- Array(const Array& other) = delete;
- Array(Array&&) = default;
- Array& operator=(const Array&) = delete;
- Array& operator=(Array&&) = default;
-
- /**
- * Construct an Array from a variable number of arguments of different types. See
- * details::makeItem below for details on what types may be provided. In general, this accepts
- * all of the types you'd expect and doest the things you'd expect (integral values are addes as
- * Uint or Nint, std::string and char* are added as Tstr, bools are added as Bool, etc.).
- */
- template <typename... Args, typename Enable>
- Array(Args&&... args);
-
- /**
- * Append a single element to the Array, of any compatible type.
- */
- template <typename T>
- Array& add(T&& v) &;
- template <typename T>
- Array&& add(T&& v) &&;
-
- const std::unique_ptr<Item>& operator[](size_t index) const { return mEntries[index]; }
- std::unique_ptr<Item>& operator[](size_t index) { return mEntries[index]; }
-
- MajorType type() const override { return kMajorType; }
- const Array* asArray() const override { return this; }
-
- virtual std::unique_ptr<Item> clone() const override;
-
- uint64_t addlInfo() const override { return size(); }
-};
-
-/*
- * Map is a concrete Item that implements CBOR major type 5.
- *
- * Note that Maps are not copyable. This is because copying them is expensive and making them
- * move-only ensures that they're never copied accidentally. If you actually want to copy a
- * Map, use the clone() method.
- */
-class Map : public CompoundItem {
- public:
- static constexpr MajorType kMajorType = MAP;
-
- Map() = default;
- Map(const Map& other) = delete;
- Map(Map&&) = default;
- Map& operator=(const Map& other) = delete;
- Map& operator=(Map&&) = default;
-
- /**
- * Construct a Map from a variable number of arguments of different types. An even number of
- * arguments must be provided (this is verified statically). See details::makeItem below for
- * details on what types may be provided. In general, this accepts all of the types you'd
- * expect and doest the things you'd expect (integral values are addes as Uint or Nint,
- * std::string and char* are added as Tstr, bools are added as Bool, etc.).
- */
- template <typename... Args, typename Enable>
- Map(Args&&... args);
-
- /**
- * Append a key/value pair to the Map, of any compatible types.
- */
- template <typename Key, typename Value>
- Map& add(Key&& key, Value&& value) &;
- template <typename Key, typename Value>
- Map&& add(Key&& key, Value&& value) &&;
-
- size_t size() const override {
- assertInvariant();
- return mEntries.size() / 2;
- }
-
- template <typename Key, typename Enable>
- std::pair<std::unique_ptr<Item>&, bool> get(Key key);
-
- std::pair<const std::unique_ptr<Item>&, const std::unique_ptr<Item>&> operator[](
- size_t index) const {
- assertInvariant();
- return {mEntries[index * 2], mEntries[index * 2 + 1]};
- }
-
- std::pair<std::unique_ptr<Item>&, std::unique_ptr<Item>&> operator[](size_t index) {
- assertInvariant();
- return {mEntries[index * 2], mEntries[index * 2 + 1]};
- }
-
- MajorType type() const override { return kMajorType; }
- const Map* asMap() const override { return this; }
-
- virtual std::unique_ptr<Item> clone() const override;
-
- uint64_t addlInfo() const override { return size(); }
-
- private:
- void assertInvariant() const;
-};
-
-class Semantic : public CompoundItem {
- public:
- static constexpr MajorType kMajorType = SEMANTIC;
-
- template <typename T>
- explicit Semantic(uint64_t value, T&& child);
-
- Semantic(const Semantic& other) = delete;
- Semantic(Semantic&&) = default;
- Semantic& operator=(const Semantic& other) = delete;
- Semantic& operator=(Semantic&&) = default;
-
- size_t size() const override {
- assertInvariant();
- return 1;
- }
-
- size_t encodedSize() const override {
- return std::accumulate(mEntries.begin(), mEntries.end(), headerSize(mValue),
- [](size_t sum, auto& entry) { return sum + entry->encodedSize(); });
- }
-
- MajorType type() const override { return kMajorType; }
- const Semantic* asSemantic() const override { return this; }
-
- const std::unique_ptr<Item>& child() const {
- assertInvariant();
- return mEntries[0];
- }
-
- std::unique_ptr<Item>& child() {
- assertInvariant();
- return mEntries[0];
- }
-
- uint64_t value() const { return mValue; }
-
- uint64_t addlInfo() const override { return value(); }
-
- virtual std::unique_ptr<Item> clone() const override {
- assertInvariant();
- return std::make_unique<Semantic>(mValue, mEntries[0]->clone());
- }
-
- protected:
- Semantic() = default;
- Semantic(uint64_t value) : mValue(value) {}
- uint64_t mValue;
-
- private:
- void assertInvariant() const;
-};
-
-/**
- * Simple is abstract Item that implements CBOR major type 7. It is intended to be subclassed to
- * create concrete Simple types. At present only Bool is provided.
- */
-class Simple : public Item {
- public:
- static constexpr MajorType kMajorType = SIMPLE;
-
- bool operator==(const Simple& other) const&;
-
- virtual SimpleType simpleType() const = 0;
- MajorType type() const override { return kMajorType; }
-
- const Simple* asSimple() const override { return this; }
-
- virtual const Bool* asBool() const { return nullptr; };
- virtual const Null* asNull() const { return nullptr; };
-};
-
-/**
- * Bool is a concrete type that implements CBOR major type 7, with additional item values for TRUE
- * and FALSE.
- */
-class Bool : public Simple {
- public:
- static constexpr SimpleType kSimpleType = BOOLEAN;
-
- explicit Bool(bool v) : mValue(v) {}
-
- bool operator==(const Bool& other) const& { return mValue == other.mValue; }
-
- SimpleType simpleType() const override { return kSimpleType; }
- const Bool* asBool() const override { return this; }
-
- size_t encodedSize() const override { return 1; }
-
- using Item::encode;
- uint8_t* encode(uint8_t* pos, const uint8_t* end) const override {
- return encodeHeader(mValue ? TRUE : FALSE, pos, end);
- }
- void encode(EncodeCallback encodeCallback) const override {
- encodeHeader(mValue ? TRUE : FALSE, encodeCallback);
- }
-
- bool value() const { return mValue; }
-
- virtual std::unique_ptr<Item> clone() const override { return std::make_unique<Bool>(mValue); }
-
- private:
- bool mValue;
-};
-
-/**
- * Null is a concrete type that implements CBOR major type 7, with additional item value for NULL
- */
-class Null : public Simple {
- public:
- static constexpr SimpleType kSimpleType = NULL_T;
-
- explicit Null() {}
-
- SimpleType simpleType() const override { return kSimpleType; }
- const Null* asNull() const override { return this; }
-
- size_t encodedSize() const override { return 1; }
-
- using Item::encode;
- uint8_t* encode(uint8_t* pos, const uint8_t* end) const override {
- return encodeHeader(NULL_V, pos, end);
- }
- void encode(EncodeCallback encodeCallback) const override {
- encodeHeader(NULL_V, encodeCallback);
- }
-
- virtual std::unique_ptr<Item> clone() const override { return std::make_unique<Null>(); }
-};
-
-template <typename T>
-std::unique_ptr<T> downcastItem(std::unique_ptr<Item>&& v) {
- static_assert(std::is_base_of_v<Item, T> && !std::is_abstract_v<T>,
- "returned type is not an Item or is an abstract class");
- if (v && T::kMajorType == v->type()) {
- if constexpr (std::is_base_of_v<Simple, T>) {
- if (T::kSimpleType != v->asSimple()->simpleType()) {
- return nullptr;
- }
- }
- return std::unique_ptr<T>(static_cast<T*>(v.release()));
- } else {
- return nullptr;
- }
-}
-
-/**
- * Details. Mostly you shouldn't have to look below, except perhaps at the docstring for makeItem.
- */
-namespace details {
-
-template <typename T, typename V, typename Enable = void>
-struct is_iterator_pair_over : public std::false_type {};
-
-template <typename I1, typename I2, typename V>
-struct is_iterator_pair_over<
- std::pair<I1, I2>, V,
- typename std::enable_if_t<std::is_same_v<V, typename std::iterator_traits<I1>::value_type>>>
- : public std::true_type {};
-
-template <typename T, typename V, typename Enable = void>
-struct is_unique_ptr_of_subclass_of_v : public std::false_type {};
-
-template <typename T, typename P>
-struct is_unique_ptr_of_subclass_of_v<T, std::unique_ptr<P>,
- typename std::enable_if_t<std::is_base_of_v<T, P>>>
- : public std::true_type {};
-
-/* check if type is one of std::string (1), std::string_view (2), null-terminated char* (3) or pair
- * of iterators (4)*/
-template <typename T, typename Enable = void>
-struct is_text_type_v : public std::false_type {};
-
-template <typename T>
-struct is_text_type_v<
- T, typename std::enable_if_t<
- /* case 1 */ //
- std::is_same_v<std::remove_cv_t<std::remove_reference_t<T>>, std::string>
- /* case 2 */ //
- || std::is_same_v<std::remove_cv_t<std::remove_reference_t<T>>, std::string_view>
- /* case 3 */ //
- || std::is_same_v<std::remove_cv_t<std::decay_t<T>>, char*> //
- || std::is_same_v<std::remove_cv_t<std::decay_t<T>>, const char*>
- /* case 4 */
- || details::is_iterator_pair_over<T, char>::value>> : public std::true_type {};
-
-/**
- * Construct a unique_ptr<Item> from many argument types. Accepts:
- *
- * (a) booleans;
- * (b) integers, all sizes and signs;
- * (c) text strings, as defined by is_text_type_v above;
- * (d) byte strings, as std::vector<uint8_t>(d1), pair of iterators (d2) or pair<uint8_t*, size_T>
- * (d3); and
- * (e) Item subclass instances, including Array and Map. Items may be provided by naked pointer
- * (e1), unique_ptr (e2), reference (e3) or value (e3). If provided by reference or value, will
- * be moved if possible. If provided by pointer, ownership is taken.
- * (f) null pointer;
- */
-template <typename T>
-std::unique_ptr<Item> makeItem(T v) {
- Item* p = nullptr;
- if constexpr (/* case a */ std::is_same_v<T, bool>) {
- p = new Bool(v);
- } else if constexpr (/* case b */ std::is_integral_v<T>) { // b
- if (v < 0) {
- p = new Nint(v);
- } else {
- p = new Uint(static_cast<uint64_t>(v));
- }
- } else if constexpr (/* case c */ //
- details::is_text_type_v<T>::value) {
- p = new Tstr(v);
- } else if constexpr (/* case d1 */ //
- std::is_same_v<std::remove_cv_t<std::remove_reference_t<T>>,
- std::vector<uint8_t>>
- /* case d2 */ //
- || details::is_iterator_pair_over<T, uint8_t>::value
- /* case d3 */ //
- || std::is_same_v<std::remove_cv_t<std::remove_reference_t<T>>,
- std::pair<uint8_t*, size_t>>) {
- p = new Bstr(v);
- } else if constexpr (/* case e1 */ //
- std::is_pointer_v<T> &&
- std::is_base_of_v<Item, std::remove_pointer_t<T>>) {
- p = v;
- } else if constexpr (/* case e2 */ //
- details::is_unique_ptr_of_subclass_of_v<Item, T>::value) {
- p = v.release();
- } else if constexpr (/* case e3 */ //
- std::is_base_of_v<Item, T>) {
- p = new T(std::move(v));
- } else if constexpr (/* case f */ std::is_null_pointer_v<T>) {
- p = new Null();
- } else {
- // It's odd that this can't be static_assert(false), since it shouldn't be evaluated if one
- // of the above ifs matches. But static_assert(false) always triggers.
- static_assert(std::is_same_v<T, bool>, "makeItem called with unsupported type");
- }
- return std::unique_ptr<Item>(p);
-}
-
-} // namespace details
-
-template <typename... Args,
- /* Prevent use as copy ctor */ typename = std::enable_if_t<
- (sizeof...(Args)) != 1 ||
- !(std::is_same_v<Array, std::remove_cv_t<std::remove_reference_t<Args>>> || ...)>>
-Array::Array(Args&&... args) {
- mEntries.reserve(sizeof...(args));
- (mEntries.push_back(details::makeItem(std::forward<Args>(args))), ...);
-}
-
-template <typename T>
-Array& Array::add(T&& v) & {
- mEntries.push_back(details::makeItem(std::forward<T>(v)));
- return *this;
-}
-
-template <typename T>
-Array&& Array::add(T&& v) && {
- mEntries.push_back(details::makeItem(std::forward<T>(v)));
- return std::move(*this);
-}
-
-template <typename... Args,
- /* Prevent use as copy ctor */ typename = std::enable_if_t<(sizeof...(Args)) != 1>>
-Map::Map(Args&&... args) {
- static_assert((sizeof...(Args)) % 2 == 0, "Map must have an even number of entries");
- mEntries.reserve(sizeof...(args));
- (mEntries.push_back(details::makeItem(std::forward<Args>(args))), ...);
-}
-
-template <typename Key, typename Value>
-Map& Map::add(Key&& key, Value&& value) & {
- mEntries.push_back(details::makeItem(std::forward<Key>(key)));
- mEntries.push_back(details::makeItem(std::forward<Value>(value)));
- return *this;
-}
-
-template <typename Key, typename Value>
-Map&& Map::add(Key&& key, Value&& value) && {
- this->add(std::forward<Key>(key), std::forward<Value>(value));
- return std::move(*this);
-}
-
-template <typename Key, typename = std::enable_if_t<std::is_integral_v<Key> ||
- details::is_text_type_v<Key>::value>>
-std::pair<std::unique_ptr<Item>&, bool> Map::get(Key key) {
- assertInvariant();
- auto keyItem = details::makeItem(key);
- for (size_t i = 0; i < mEntries.size(); i += 2) {
- if (*keyItem == *mEntries[i]) {
- return {mEntries[i + 1], true};
- }
- }
- return {keyItem, false};
-}
-
-template <typename T>
-Semantic::Semantic(uint64_t value, T&& child) : mValue(value) {
- mEntries.reserve(1);
- mEntries.push_back(details::makeItem(std::forward<T>(child)));
-}
-
-} // namespace cppbor
diff --git a/include/cppbor/cppbor_parse.h b/include/cppbor/cppbor_parse.h
deleted file mode 100644
index 1b10ce1..0000000
--- a/include/cppbor/cppbor_parse.h
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * Copyright 2019 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include "cppbor.h"
-
-namespace cppbor {
-
-using ParseResult = std::tuple<std::unique_ptr<Item> /* result */, const uint8_t* /* newPos */,
- std::string /* errMsg */>;
-
-/**
- * Parse the first CBOR data item (possibly compound) from the range [begin, end).
- *
- * Returns a tuple of Item pointer, buffer pointer and error message. If parsing is successful, the
- * Item pointer is non-null, the buffer pointer points to the first byte after the
- * successfully-parsed item and the error message string is empty. If parsing fails, the Item
- * pointer is null, the buffer pointer points to the first byte that was unparseable (the first byte
- * of a data item header that is malformed in some way, e.g. an invalid value, or a length that is
- * too large for the remining buffer, etc.) and the string contains an error message describing the
- * problem encountered.
- */
-ParseResult parse(const uint8_t* begin, const uint8_t* end);
-
-/**
- * Parse the first CBOR data item (possibly compound) from the byte vector.
- *
- * Returns a tuple of Item pointer, buffer pointer and error message. If parsing is successful, the
- * Item pointer is non-null, the buffer pointer points to the first byte after the
- * successfully-parsed item and the error message string is empty. If parsing fails, the Item
- * pointer is null, the buffer pointer points to the first byte that was unparseable (the first byte
- * of a data item header that is malformed in some way, e.g. an invalid value, or a length that is
- * too large for the remining buffer, etc.) and the string contains an error message describing the
- * problem encountered.
- */
-inline ParseResult parse(const std::vector<uint8_t>& encoding) {
- return parse(encoding.data(), encoding.data() + encoding.size());
-}
-
-/**
- * Parse the first CBOR data item (possibly compound) from the range [begin, begin + size).
- *
- * Returns a tuple of Item pointer, buffer pointer and error message. If parsing is successful, the
- * Item pointer is non-null, the buffer pointer points to the first byte after the
- * successfully-parsed item and the error message string is empty. If parsing fails, the Item
- * pointer is null, the buffer pointer points to the first byte that was unparseable (the first byte
- * of a data item header that is malformed in some way, e.g. an invalid value, or a length that is
- * too large for the remining buffer, etc.) and the string contains an error message describing the
- * problem encountered.
- */
-inline ParseResult parse(const uint8_t* begin, size_t size) {
- return parse(begin, begin + size);
-}
-
-class ParseClient;
-
-/**
- * Parse the CBOR data in the range [begin, end) in streaming fashion, calling methods on the
- * provided ParseClient when elements are found.
- */
-void parse(const uint8_t* begin, const uint8_t* end, ParseClient* parseClient);
-
-/**
- * Parse the CBOR data in the vector in streaming fashion, calling methods on the
- * provided ParseClient when elements are found.
- */
-inline void parse(const std::vector<uint8_t>& encoding, ParseClient* parseClient) {
- return parse(encoding.data(), encoding.data() + encoding.size(), parseClient);
-}
-
-/**
- * A pure interface that callers of the streaming parse functions must implement.
- */
-class ParseClient {
- public:
- virtual ~ParseClient() {}
-
- /**
- * Called when an item is found. The Item pointer points to the found item; use type() and
- * the appropriate as*() method to examine the value. hdrBegin points to the first byte of the
- * header, valueBegin points to the first byte of the value and end points one past the end of
- * the item. In the case of header-only items, such as integers, and compound items (ARRAY,
- * MAP or SEMANTIC) whose end has not yet been found, valueBegin and end are equal and point to
- * the byte past the header.
- *
- * Note that for compound types (ARRAY, MAP, and SEMANTIC), the Item will have no content. For
- * Map and Array items, the size() method will return a correct value, but the index operators
- * are unsafe, and the object cannot be safely compared with another Array/Map.
- *
- * The method returns a ParseClient*. In most cases "return this;" will be the right answer,
- * but a different ParseClient may be returned, which the parser will begin using. If the method
- * returns nullptr, parsing will be aborted immediately.
- */
- virtual ParseClient* item(std::unique_ptr<Item>& item, const uint8_t* hdrBegin,
- const uint8_t* valueBegin, const uint8_t* end) = 0;
-
- /**
- * Called when the end of a compound item (MAP or ARRAY) is found. The item argument will be
- * the same one passed to the item() call -- and may be empty if item() moved its value out.
- * hdrBegin, valueBegin and end point to the beginning of the item header, the beginning of the
- * first contained value, and one past the end of the last contained value, respectively.
- *
- * Note that the Item will have no content.
- *
- * As with item(), itemEnd() can change the ParseClient by returning a different one, or end the
- * parsing by returning nullptr;
- */
- virtual ParseClient* itemEnd(std::unique_ptr<Item>& item, const uint8_t* hdrBegin,
- const uint8_t* valueBegin, const uint8_t* end) = 0;
-
- /**
- * Called when parsing encounters an error. position is set to the first unparsed byte (one
- * past the last successfully-parsed byte) and errorMessage contains an message explaining what
- * sort of error occurred.
- */
- virtual void error(const uint8_t* position, const std::string& errorMessage) = 0;
-};
-
-} // namespace cppbor