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Viewing / Editing File: swoole_cxx.h

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#pragma once

#include "swoole.h"

#include <list>
#include <memory>
#include <string>
#include <cstdio>

namespace swoole {
//-------------------------------------------------------------------------------
namespace cpp_string
{
template<typename ...Args>
inline std::string format(const char *format, Args ...args)
{
    size_t size = snprintf(nullptr, 0, format, args...) + 1; // Extra space for '\0'
    std::unique_ptr<char[]> buf(new char[size]);
    snprintf(buf.get(), size, format, args...);
    return std::string(buf.get(), buf.get() + size - 1); // We don't want the '\0' inside
}

inline std::string vformat(const char *format, va_list args)
{
    va_list _args;
    va_copy(_args, args);
    size_t size = vsnprintf(nullptr, 0, format, _args) + 1; // Extra space for '\0'
    va_end(_args);
    std::unique_ptr<char[]> buf(new char[size]);
    vsnprintf(buf.get(), size, format, args);
    return std::string(buf.get(), buf.get() + size - 1); // We don't want the '\0' inside
}
}

struct Callback
{
    swCallback callback;
    void *private_data;

    Callback(swCallback cb, void *_private_data)
    {
        callback = cb;
        private_data = _private_data;
    }
};

class CallbackManager
{
public:
    inline void append(swCallback cb, void *private_data)
    {
        list_.push_back(new Callback(cb, private_data));
    }
    inline void prepend(swCallback cb, void *private_data)
    {
        list_.push_front(new Callback(cb, private_data));
    }
    inline void execute()
    {
        while (!list_.empty())
        {
            Callback *task = list_.front();
            list_.pop_front();
            task->callback(task->private_data);
            delete task;
        }
    }
protected:
    std::list<Callback *> list_;
};

//-------------------------------------------------------------------------------
}
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