mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-23 19:20:53 +08:00
136 lines
3.5 KiB
C++
136 lines
3.5 KiB
C++
/*
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* MIT License
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*
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* Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
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*
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* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef __amf_h
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#define __amf_h
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#include <assert.h>
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#include <string>
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#include <vector>
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#include <unordered_map>
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#include <map>
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#include <stdexcept>
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#include <functional>
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using namespace std;
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enum AMFType {
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AMF_NUMBER,
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AMF_INTEGER,
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AMF_BOOLEAN,
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AMF_STRING,
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AMF_OBJECT,
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AMF_NULL,
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AMF_UNDEFINED,
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AMF_ECMA_ARRAY,
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AMF_STRICT_ARRAY,
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};
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class AMFValue;
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class AMFValue {
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public:
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friend class AMFEncoder;
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typedef std::map<std::string, AMFValue> mapType;
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typedef std::vector<AMFValue> arrayType;
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AMFValue(AMFType type = AMF_NULL);
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AMFValue(const char *s);
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AMFValue(const std::string &s);
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AMFValue(double n);
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AMFValue(int i);
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AMFValue(bool b);
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AMFValue(const AMFValue &from);
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AMFValue(AMFValue &&from);
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AMFValue &operator =(const AMFValue &from);
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AMFValue &operator =(AMFValue &&from);
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~AMFValue();
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void clear();
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AMFType type() const ;
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const std::string &as_string() const;
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double as_number() const;
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int as_integer() const;
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bool as_boolean() const;
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const AMFValue &operator[](const char *str) const;
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void object_for_each(const function<void(const string &key, const AMFValue &val)> &fun) const ;
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operator bool() const;
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void set(const std::string &s, const AMFValue &val);
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void add(const AMFValue &val);
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private:
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const mapType &getMap() const;
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const arrayType &getArr() const;
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void destroy();
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void init();
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private:
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AMFType _type;
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union {
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std::string *string;
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double number;
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int integer;
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bool boolean;
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mapType *object;
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arrayType *array;
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} _value;
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};
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class AMFDecoder {
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public:
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AMFDecoder(const std::string &buf, size_t pos, int version = 0);
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template<typename TP>
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TP load();
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private:
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std::string load_key();
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AMFValue load_object();
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AMFValue load_ecma();
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AMFValue load_arr();
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uint8_t front();
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uint8_t pop_front();
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private:
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const std::string &buf;
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size_t pos;
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int version;
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};
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class AMFEncoder {
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public:
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AMFEncoder & operator <<(const char *s);
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AMFEncoder & operator <<(const std::string &s);
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AMFEncoder & operator <<(std::nullptr_t);
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AMFEncoder & operator <<(const int n);
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AMFEncoder & operator <<(const double n);
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AMFEncoder & operator <<(const bool b);
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AMFEncoder & operator <<(const AMFValue &value);
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const std::string& data() const ;
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void clear() ;
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private:
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void write_key(const std::string &s);
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AMFEncoder &write_undefined();
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private:
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std::string buf;
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};
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#endif
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