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      1 /*
      2  *******************************************************************************
      3  *
      4  *   Copyright (C) 1999-2009, International Business Machines
      5  *   Corporation and others.  All Rights Reserved.
      6  *
      7  *******************************************************************************
      8  *   file name:  reader.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  * Derived from Madhu Katragadda gentest
     19  *******************************************************************************/
     20 
     21 
     22 #include <string.h>
     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/putil.h"
     32 #include "unicode/udata.h"
     33 
     34 #define DATA_NAME "mypkg_example"
     35 #define DATA_TYPE "dat"
     36 
     37 /* UDataInfo cf. udata.h */
     38 static const UDataInfo dataInfo={
     39     sizeof(UDataInfo),
     40     0,
     41 
     42     U_IS_BIG_ENDIAN,
     43     U_CHARSET_FAMILY,
     44     sizeof(UChar),
     45     0,
     46 
     47     0x4D, 0x79, 0x44, 0x74,     /* dataFormat="MyDt" */
     48     1, 0, 0, 0,                 /* formatVersion */
     49     1, 0, 0, 0                  /* dataVersion */
     50 };
     51 
     52 static UBool
     53 isAcceptable(void *context,
     54              const char *type, const char *name,
     55              const UDataInfo *pInfo){
     56 
     57     if( pInfo->size>=20 &&
     58         pInfo->isBigEndian==U_IS_BIG_ENDIAN &&
     59         pInfo->charsetFamily==U_CHARSET_FAMILY &&
     60         pInfo->dataFormat[0]==0x4D &&   /* dataFormat="MyDt" */
     61         pInfo->dataFormat[1]==0x79 &&
     62         pInfo->dataFormat[2]==0x44 &&
     63         pInfo->dataFormat[3]==0x74 &&
     64         pInfo->formatVersion[0]==1 &&
     65         pInfo->dataVersion[0]==1   ) {
     66         return TRUE;
     67     } else {
     68         return FALSE;
     69     }
     70 
     71 
     72 }
     73 
     74 extern int
     75 main(int argc, const char *argv[]) {
     76     UDataMemory *result = NULL;
     77     UErrorCode status=U_ZERO_ERROR;
     78 
     79     uint16_t intValue = 0;
     80 
     81     char *string = NULL;
     82     uint16_t *intPointer = NULL;
     83 
     84     const void *dataMemory = NULL;
     85     char curPathBuffer[1024];
     86 
     87 #ifdef WIN32
     88     char *currdir = _getcwd(NULL, 0);
     89 #else
     90     char *currdir = getcwd(NULL, 0);
     91 #endif
     92 
     93     /* need to put  "current/dir" as path */
     94     strcpy(curPathBuffer, currdir);
     95 
     96     result=udata_openChoice(curPathBuffer, DATA_TYPE, DATA_NAME, isAcceptable, NULL, &status);
     97 
     98     if(currdir != NULL) {
     99         free(currdir);
    100     }
    101 
    102     if(U_FAILURE(status)){
    103         printf("Failed to open data file example.dat in %s with error number %d\n", curPathBuffer, status);
    104         return -1;
    105     }
    106 
    107     dataMemory = udata_getMemory(result);
    108 
    109     intPointer = (uint16_t *)dataMemory;
    110 
    111     printf("Read value %d from data file\n", *intPointer);
    112 
    113     string = (char *) (intPointer+1);
    114 
    115     printf("Read string %s from data file\n", string);
    116 
    117     if(U_SUCCESS(status)){
    118         udata_close(result);
    119     }
    120 
    121     return 0;
    122 }
    123 
    124 
    125 
    126 
    127 
    128 
    129 
    130