1f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)/*
2f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)*******************************************************************************
3f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)*
4f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)*   Copyright (C) 1999-2006, International Business Machines
5f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)*   Corporation and others.  All Rights Reserved.
6f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)*
7a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)*******************************************************************************
8a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)*   file name:  writer.c
9f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)*   encoding:   US-ASCII
10f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)*   tab size:   8 (not used)
11f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)*   indentation:4
12f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)*
13f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)*   created on: 2000sep5
14f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)*   created by: Vladimir Weinstein
15a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)*/
16a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)
17f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)/******************************************************************************
18f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) * A program to write simple binary data readable by udata - example for
19f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) * ICU workshop
20a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ******************************************************************************/
21a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)
22a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)
23a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include <stdio.h>
24a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include <stdlib.h>
25a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#ifdef WIN32
26a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include <direct.h>
27a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#else
28a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include <unistd.h>
29a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#endif
30a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "unicode/utypes.h"
31a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "unicode/udata.h"
32a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)
33a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)/* this is private - available only through toolutil */
34a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "unewdata.h"
35a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)
36a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#define DATA_NAME "mypkg_example"
37a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#define DATA_TYPE "dat"
38a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)
39a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)/* UDataInfo cf. udata.h */
40a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)static const UDataInfo dataInfo={
41a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    sizeof(UDataInfo),
42a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    0,
43a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)
44a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    U_IS_BIG_ENDIAN,
45a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    U_CHARSET_FAMILY,
46a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    sizeof(UChar),
47a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    0,
48a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)
49a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    0x4D, 0x79, 0x44, 0x74,     /* dataFormat="MyDt" */
50a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    1, 0, 0, 0,                 /* formatVersion */
51a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    1, 0, 0, 0                  /* dataVersion */
52a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)};
53a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)
54a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)
55f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)/* Excersise: add writing out other data types */
56f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)/* see icu/source/tools/toolutil/unewdata.h    */
57f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)/* 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}
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