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#ifndef NODE_PRINTER_HPP
#define NODE_PRINTER_HPP
#include "macros.hh"
#include <node.h>
#include <v8.h>
#include <string>
 * Send data to printer
 * @param data String/NativeBuffer, mandatory, raw data bytes
 * @param printername String, mandatory, specifying printer name
 * @param docname String, mandatory, specifying document name
 * @param type String, mandatory, specifying data type. E.G.: RAW, TEXT, ...
 * @returns true for success, false for failure.
MY_NODE_MODULE_CALLBACK(PrintDirect);
 * Send file to printer
 * @param filename String, mandatory, specifying filename to print
 * @param docname String, mandatory, specifying document name
 * @param printer String, mandatory, specifying printer name
 * @returns jobId for success, or error message for failure.
MY_NODE_MODULE_CALLBACK(PrintFile);
/** Retrieve all printers and jobs
 * posix: minimum version: CUPS 1.1.21/OS X 10.4
MY_NODE_MODULE_CALLBACK(getPrinters);
 * Return default printer name, if null then default printer is not set
MY_NODE_MODULE_CALLBACK(getDefaultPrinterName);
/** Retrieve printer info and jobs
 * @param printer name String
MY_NODE_MODULE_CALLBACK(getPrinter);
/** Retrieve printer driver info
 * @param printer name String
MY_NODE_MODULE_CALLBACK(getPrinterDriverOptions);
/** Retrieve job info
 *  @param printer name String
 *  @param job id Number
MY_NODE_MODULE_CALLBACK(getJob);
/** Set job command. 
 * arguments:
 * @param printer name String
 * @param job id Number
 * @param job command String
 * Possible commands:
 *      "CANCEL"
 *      "PAUSE"
 *      "RESTART"
 *      "RESUME"
 *      "DELETE"
 *      "SENT-TO-PRINTER"
 *      "LAST-PAGE-EJECTED"
 *      "RETAIN"
 *      "RELEASE"
MY_NODE_MODULE_CALLBACK(setJob);
/** Get supported print formats for printDirect. It depends on platform
MY_NODE_MODULE_CALLBACK(getSupportedPrintFormats);
/** Get supported job commands for setJob method
MY_NODE_MODULE_CALLBACK(getSupportedJobCommands);
// optional ability to get printer spool
// util class
/** Memory value class management to avoid memory leak
 * TODO: move to std::unique_ptr on switching to C++11
template<typename Type>
class MemValueBase
    MemValueBase(): _value(NULL) {}
    /** Destructor. The allocated memory will be deallocated
    ~MemValueBase() {
        free();
    Type * get() {return _value; }
    Type * operator ->() { return &_value; }
    operator bool() const { return (_value != NULL); }
    Type *_value;
    virtual void free() {};
 * try to extract String or buffer from v8 value
 * @param iV8Value - source v8 value
 * @param oData - destination data
 * @return TRUE if value is String or Buffer, FALSE otherwise
bool getStringOrBufferFromV8Value(v8::Handle<v8::Value> iV8Value, std::string &oData);

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