IInputStream.h

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#pragma once
 
#include "DataIO/Stream/IDataStream.h"
 
#include <cstddef>
#include <optional>
#include <string>
 
namespace ph
{
 
class IInputStream : public IDataStream
{
public:
    virtual void read(std::size_t numBytes, std::byte* out_bytes) = 0;
 
    virtual void readString(std::string* out_string, char delimiter) = 0;
 
    virtual void seekGet(std::size_t pos) = 0;
 
    virtual std::optional<std::size_t> tellGet() = 0;
 
    operator bool () const override = 0;
 
    virtual std::size_t readSome(std::size_t numBytes, std::byte* out_bytes);
 
    void readLine(std::string* out_string);
};
 
// In-header Implementations:
 
inline std::size_t IInputStream::readSome(const std::size_t numBytes, std::byte* const out_bytes)
{
    read(numBytes, out_bytes);
    return numBytes;
}
 
inline void IInputStream::readLine(std::string* const out_string)
{
    readString(out_string, '\n');
}
 
}// end namespace ph