read_stream.h

// Copyright (c) 2009-2025 Avanquest Software. All rights reserved.
 
#ifndef PDFSDK_CXX_PDF_READ_STREAM_H_INCLUDED_
#define PDFSDK_CXX_PDF_READ_STREAM_H_INCLUDED_
 
#include <pdfsdk/core/objects.h>
 
#include "wrapper_base.h"
 
namespace PDF {
 
class ReadStream : public detail::RefCountedHandle<PDReadStream> {
public:
    size_t Read(void* buffer, size_t nbytes);
 
    int ReadChar();
 
    std::string ReadAll() {
        std::string data;
        static constexpr size_t BUFFER_SIZE = 4096;
        char buffer[BUFFER_SIZE];
        size_t nread = Read(buffer, BUFFER_SIZE);
        while (nread != 0) {
            data.append(buffer, nread);
            nread = Read(buffer, BUFFER_SIZE);
        }
        return data;
    }
 
    void Close();
 
    PDF_CXX_CORE_WRAPPER_DEFINE_MEMBERS_(ReadStream, PDReadStream)
};
 
}  // namespace PDF
 
#include "read_stream_impl.inl"
 
#endif  // PDFSDK_CXX_PDF_READ_STREAM_H_INCLUDED_