/*
 * Copyright 2010, Michael Lotz, mmlr@mlotz.ch.
 * Distributed under the terms of the MIT License.
 */

#include "HIDCollection.h"
#include "HIDParser.h"
#include "HIDReport.h"

#include <File.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>


int
main(int argc, char *argv[])
{
        if (argc < 2) {
                printf("usage: %s <hid_descriptor_file>\n", argv[0]);
                return 1;
        }

        BFile file(argv[1], B_READ_ONLY);
        if (!file.IsReadable()) {
                printf("can't open file \"%s\" for reading\n", argv[1]);
                return 2;
        }

        off_t descriptorLength;
        file.GetSize(&descriptorLength);

        uint8 *reportDescriptor = (uint8 *)malloc(descriptorLength);
        if (reportDescriptor == NULL) {
                printf("failed to allocate buffer of %lld bytes\n", descriptorLength);
                return 3;
        }

        ssize_t read = file.Read(reportDescriptor, descriptorLength);
        if (read != descriptorLength) {
                printf("failed to read file of %lld bytes: %s\n", descriptorLength,
                        strerror(read));
                return 4;
        }

        HIDParser parser(NULL);
        status_t result = parser.ParseReportDescriptor(reportDescriptor,
                descriptorLength);

        free(reportDescriptor);
        if (result != B_OK) {
                printf("failed to parse descriptor: %s\n", strerror(result));
                return 5;
        }

        parser.PrintToStream();
        return 0;
}