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 */
40static 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
59extern int
60main(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