HttpHeaderBuilder.h

/****
 * Sming Framework Project - Open Source framework for high efficiency native ESP8266 development.
 * Created 2015 by Skurydin Alexey
 * http://github.com/anakod/Sming
 * All files of the Sming Core are provided under the LGPL v3 license.
 *
 * HttpHeaderBuilder.h
 *
 ****/

#ifndef _SMING_CORE_NETWORK_HTTP_HTTP_HEADER_BUILDER_H_
#define _SMING_CORE_NETWORK_HTTP_HTTP_HEADER_BUILDER_H_

#include "HttpHeaders.h"

class HttpHeaderBuilder
{
public:
    int onHeaderField(const char* at, size_t length)
    {
        if(lastWasValue) {
            // we are starting to process new header - setLength keeps allocated memory
            lastData.setLength(0);
            lastWasValue = false;
        }
        lastData.concat(at, length);

        return 0;
    }

    int onHeaderValue(HttpHeaders& headers, const char* at, size_t length)
    {
        if(!lastWasValue) {
            currentField = lastData;
            headers[currentField] = nullptr;
            lastWasValue = true;
        }
        headers[currentField].concat(at, length);
        return 0;
    }

    void reset()
    {
        lastWasValue = true;
        lastData = nullptr;
        currentField = nullptr;
    }

private:
    bool lastWasValue = true; 
    String lastData;          
    String currentField;      
};

#endif /* _SMING_CORE_NETWORK_HTTP_HTTP_HEADER_BUILDER_H_ */