127 lines
2.9 KiB
C
127 lines
2.9 KiB
C
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/*
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* Copyright (c) 2016-present The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
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*
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* Use of this source code is governed by MIT-like license that can be found in the
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* LICENSE file in the root of the source tree. All contributing project authors
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* may be found in the AUTHORS file in the root of the source tree.
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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 <map>
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#include <functional>
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#include <cstdint>
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namespace toolkit {
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class BufferLikeString;
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}
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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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using mapType = std::map<std::string, AMFValue>;
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using arrayType = std::vector<AMFValue>;
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~AMFValue();
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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 &operator = (const AMFValue &from);
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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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std::string to_string() const;
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const AMFValue &operator[](const char *str) const;
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void object_for_each(const std::function<void(const std::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 toolkit::BufferLikeString &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 toolkit::BufferLikeString &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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