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      1 /*
      2 *******************************************************************************
      3 *
      4 *    2016 and later: Unicode, Inc. and others.
      5 *   License & terms of use: http://www.unicode.org/copyright.html#License
      6 *
      7 *******************************************************************************
      8 *******************************************************************************
      9 *
     10 *   Copyright (C) 1999-2006, International Business Machines
     11 *   Corporation and others.  All Rights Reserved.
     12 *
     13 *******************************************************************************
     14 *   file name:  writer.c
     15 *   encoding:   UTF-8
     16 *   tab size:   8 (not used)
     17 *   indentation:4
     18 *
     19 *   created on: 2000sep5
     20 *   created by: Vladimir Weinstein
     21 */
     22 
     23 /******************************************************************************
     24  * A program to write simple binary data readable by udata - example for
     25  * ICU workshop
     26  ******************************************************************************/
     27 
     28 
     29 #include <stdio.h>
     30 #include <stdlib.h>
     31 #ifdef WIN32
     32 #include <direct.h>
     33 #else
     34 #include <unistd.h>
     35 #endif
     36 #include "unicode/utypes.h"
     37 #include "unicode/udata.h"
     38 
     39 /* this is private - available only through toolutil */
     40 #include "unewdata.h"
     41 
     42 #define DATA_NAME "mypkg_example"
     43 #define DATA_TYPE "dat"
     44 
     45 /* UDataInfo cf. udata.h */
     46 static const UDataInfo dataInfo={
     47     sizeof(UDataInfo),
     48     0,
     49 
     50     U_IS_BIG_ENDIAN,
     51     U_CHARSET_FAMILY,
     52     sizeof(UChar),
     53     0,
     54 
     55     0x4D, 0x79, 0x44, 0x74,     /* dataFormat="MyDt" */
     56     1, 0, 0, 0,                 /* formatVersion */
     57     1, 0, 0, 0                  /* dataVersion */
     58 };
     59 
     60 
     61 /* Excersise: add writing out other data types */
     62 /* see icu/source/tools/toolutil/unewdata.h    */
     63 /* for other possibilities                     */
     64 
     65 extern int
     66 main(int argc, const char *argv[]) {
     67     UNewDataMemory *pData;
     68     UErrorCode errorCode=U_ZERO_ERROR;
     69     char stringValue[]={'E', 'X', 'A', 'M', 'P', 'L', 'E', '\0'};
     70     uint16_t intValue=2000;
     71 
     72     long dataLength;
     73     uint32_t size;
     74 #ifdef WIN32
     75     char *currdir = _getcwd(NULL, 0);
     76 #else
     77     char *currdir = getcwd(NULL, 0);
     78 #endif
     79 
     80     pData=udata_create(currdir, DATA_TYPE, DATA_NAME, &dataInfo,
     81                        U_COPYRIGHT_STRING, &errorCode);
     82 
     83     if(currdir != NULL) {
     84         free(currdir);
     85     }
     86 
     87 
     88     if(U_FAILURE(errorCode)) {
     89         fprintf(stderr, "Error: unable to create data memory, error %d\n", errorCode);
     90         exit(errorCode);
     91     }
     92 
     93     /* write the data to the file */
     94     /* a 16 bit value  and a String*/
     95     printf("Writing uint16_t value of %d\n", intValue);
     96     udata_write16(pData, intValue);
     97     printf("Writing string value of %s\n", stringValue);
     98     udata_writeString(pData, stringValue, sizeof(stringValue));
     99 
    100     /* finish up */
    101     dataLength=udata_finish(pData, &errorCode);
    102     if(U_FAILURE(errorCode)) {
    103         fprintf(stderr, "Error: error %d writing the output file\n", errorCode);
    104         exit(errorCode);
    105     }
    106     size=sizeof(stringValue) + sizeof(intValue);
    107 
    108 
    109     if(dataLength!=(long)size) {
    110         fprintf(stderr, "Error: data length %ld != calculated size %lu\n", dataLength, size);
    111         exit(U_INTERNAL_PROGRAM_ERROR);
    112     }
    113     return 0;
    114 }
    115 
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