xlt_quote_decoder.h

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#pragma once
#include "xlt_quote_define.h"
#include "xlt_quote_struct.h"
namespace x1 {
    typedef union xlt_quote_data_union_t {
        const xlt_sse_l1_index_t* sse_l1_index;             
        const xlt_sse_l1_snapshot_t* sse_l1_snapshot;       
        const xlt_szse_l1_index_t* szse_l1_index;           
        const xlt_szse_l1_snapshot_t* szse_l1_snapshot;     
        const xlt_szse_l1_snapshot_bond_t* szse_l1_snapshot_bond; 
    }xlt_quote_data_union_t;
 
    typedef struct XLTQuoteItem {
        QuoteMsgType data_type;                             
        xlt_quote_data_union_t data;                        
    }XLTQuoteItem;
 
    class XLTQuoteDecoder {
    public:
        using StepFunc = const XLTQuoteItem* (*)(uint8_t*& data, uint32_t& remain, XLTQuoteItem& item);
 
        XLTQuoteDecoder(QuoteMCType mc_type, const void* msg_data, uint32_t msg_len);
        ~XLTQuoteDecoder() = default;
        XLTQuoteDecoder(const XLTQuoteDecoder&) = delete;
        XLTQuoteDecoder& operator=(const XLTQuoteDecoder&) = delete;
 
        const XLTQuoteItem* get_next();
    protected:
        StepFunc step_fn_;
        uint8_t* data_;
        uint32_t remain_;
        XLTQuoteItem item_;
    };
}