Home | History | Annotate | Download | only in udata 
      1 /*
      2 *******************************************************************************
      3 *
      4 *   Copyright (C) 1999-2006, International Business Machines
      5 *   Corporation and others.  All Rights Reserved.
      6 *
      7 *******************************************************************************
      8 *   file name:  writer.c
      9 *   encoding:   US-ASCII
     10 *   tab size:   8 (not used)
     11 *   indentation:4
     12 *
     13 *   created on: 2000sep5
     14 *   created by: Vladimir Weinstein
     15 */
     16 
     17 /******************************************************************************
     18  * A program to write simple binary data readable by udata - example for
     19  * ICU workshop
     20  ******************************************************************************/
     21 
     22 
     23 #include <stdio.h>
     24 #include <stdlib.h>
     25 #ifdef WIN32
     26 #include <direct.h>
     27 #else
     28 #include <unistd.h>
     29 #endif
     30 #include "unicode/utypes.h"
     31 #include "unicode/udata.h"
     32 
     33 /* this is private - available only through toolutil */
     34 #include "unewdata.h"
     35 
     36 #define DATA_NAME "mypkg_example"
     37 #define DATA_TYPE "dat"
     38 
     39 /* UDataInfo cf. udata.h */
     40 static const UDataInfo dataInfo={
     41     sizeof(UDataInfo),
     42     0,
     43 
     44     U_IS_BIG_ENDIAN,
     45     U_CHARSET_FAMILY,
     46     sizeof(UChar),
     47     0,
     48 
     49     0x4D, 0x79, 0x44, 0x74,     /* dataFormat="MyDt" */
     50     1, 0, 0, 0,                 /* formatVersion */
     51     1, 0, 0, 0                  /* dataVersion */
     52 };
     53 
     54 
     55 /* Excersise: add writing out other data types */
     56 /* see icu/source/tools/toolutil/unewdata.h    */
     57 /* for other possibilities                     */
     58 
     59 extern int
     60 main(int argc, const char *argv[]) {
     61     UNewDataMemory *pData;
     62     UErrorCode errorCode=U_ZERO_ERROR;
     63     char stringValue[]={'E', 'X', 'A', 'M', 'P', 'L', 'E', '\0'};
     64     uint16_t intValue=2000;
     65 
     66     long dataLength;
     67     uint32_t size;
     68 #ifdef WIN32
     69     char *currdir = _getcwd(NULL, 0);
     70 #else
     71     char *currdir = getcwd(NULL, 0);
     72 #endif
     73 
     74     pData=udata_create(currdir, DATA_TYPE, DATA_NAME, &dataInfo,
     75                        U_COPYRIGHT_STRING, &errorCode);
     76 
     77     if(currdir != NULL) {
     78         free(currdir);
     79     }
     80 
     81 
     82     if(U_FAILURE(errorCode)) {
     83         fprintf(stderr, "Error: unable to create data memory, error %d\n", errorCode);
     84         exit(errorCode);
     85     }
     86 
     87     /* write the data to the file */
     88     /* a 16 bit value  and a String*/
     89     printf("Writing uint16_t value of %d\n", intValue);
     90     udata_write16(pData, intValue);
     91     printf("Writing string value of %s\n", stringValue);
     92     udata_writeString(pData, stringValue, sizeof(stringValue));
     93 
     94     /* finish up */
     95     dataLength=udata_finish(pData, &errorCode);
     96     if(U_FAILURE(errorCode)) {
     97         fprintf(stderr, "Error: error %d writing the output file\n", errorCode);
     98         exit(errorCode);
     99     }
    100     size=sizeof(stringValue) + sizeof(intValue);
    101 
    102 
    103     if(dataLength!=(long)size) {
    104         fprintf(stderr, "Error: data length %ld != calculated size %lu\n", dataLength, size);
    105         exit(U_INTERNAL_PROGRAM_ERROR);
    106     }
    107     return 0;
    108 }
    109 
    110 
    111 
    112 
    113 
    114 
    115 
    116 
    117 
    118 
    119 
    120