1/*
2*******************************************************************************
3*
4*   Copyright (C) 1999-2012, International Business Machines
5*   Corporation and others.  All Rights Reserved.
6*
7*******************************************************************************
8*   file name:  icuinfo.cpp
9*   encoding:   US-ASCII
10*   tab size:   8 (not used)
11*   indentation:4
12*
13*   created on: 2009-2010
14*   created by: Steven R. Loomis
15*
16*   This program shows some basic info about the current ICU.
17*/
18
19#include <stdio.h>
20#include <stdlib.h>
21#include "unicode/utypes.h"
22#include "unicode/putil.h"
23#include "unicode/uclean.h"
24#include "udbgutil.h"
25#include "unewdata.h"
26#include "cmemory.h"
27#include "cstring.h"
28#include "uoptions.h"
29#include "toolutil.h"
30#include "icuplugimp.h"
31#include <unicode/uloc.h>
32#include <unicode/ucnv.h>
33#include "unicode/ucal.h"
34#include <unicode/ulocdata.h>
35#include "putilimp.h"
36#include "unicode/uchar.h"
37
38static UOption options[]={
39  /*0*/ UOPTION_HELP_H,
40  /*1*/ UOPTION_HELP_QUESTION_MARK,
41  /*2*/ UOPTION_ICUDATADIR,
42  /*3*/ UOPTION_VERBOSE,
43  /*4*/ UOPTION_DEF("list-plugins", 'L', UOPT_NO_ARG),
44  /*5*/ UOPTION_DEF("milisecond-time", 'm', UOPT_NO_ARG),
45  /*6*/ UOPTION_DEF("cleanup", 'K', UOPT_NO_ARG),
46  /*7*/ UOPTION_DEF("xml", 'x', UOPT_REQUIRES_ARG),
47};
48
49static UErrorCode initStatus = U_ZERO_ERROR;
50static UBool icuInitted = FALSE;
51
52static void do_init() {
53    if(!icuInitted) {
54      u_init(&initStatus);
55      icuInitted = TRUE;
56    }
57}
58
59
60void cmd_millis()
61{
62  printf("Milliseconds since Epoch: %.0f\n", uprv_getUTCtime());
63}
64
65void cmd_version(UBool /* noLoad */, UErrorCode &errorCode)
66{
67
68    do_init();
69
70    udbg_writeIcuInfo(stdout); /* print the XML format */
71
72    union {
73        uint8_t byte;
74        uint16_t word;
75    } u;
76    u.word=0x0100;
77    if(U_IS_BIG_ENDIAN==u.byte) {
78      //printf("U_IS_BIG_ENDIAN: %d\n", U_IS_BIG_ENDIAN);
79    } else {
80        fprintf(stderr, "  error: U_IS_BIG_ENDIAN=%d != %d=actual 'is big endian'\n",
81                U_IS_BIG_ENDIAN, u.byte);
82        errorCode=U_INTERNAL_PROGRAM_ERROR;
83    }
84
85    if(U_SIZEOF_WCHAR_T==sizeof(wchar_t)) {
86      //printf("U_SIZEOF_WCHAR_T: %d\n", U_SIZEOF_WCHAR_T);
87    } else {
88        fprintf(stderr, "  error: U_SIZEOF_WCHAR_T=%d != %d=sizeof(wchar_t)\n",
89                U_SIZEOF_WCHAR_T, (int)sizeof(wchar_t));
90        errorCode=U_INTERNAL_PROGRAM_ERROR;
91    }
92
93    int charsetFamily;
94    if('A'==0x41) {
95        charsetFamily=U_ASCII_FAMILY;
96    } else if('A'==0xc1) {
97        charsetFamily=U_EBCDIC_FAMILY;
98    } else {
99        charsetFamily=-1;  // unknown
100    }
101    if(U_CHARSET_FAMILY==charsetFamily) {
102      //printf("U_CHARSET_FAMILY: %d\n", U_CHARSET_FAMILY);
103    } else {
104        fprintf(stderr, "  error: U_CHARSET_FAMILY=%d != %d=actual charset family\n",
105                U_CHARSET_FAMILY, charsetFamily);
106        errorCode=U_INTERNAL_PROGRAM_ERROR;
107    }
108
109    printf("\n\nICU Initialization returned: %s\n", u_errorName(initStatus));
110
111
112#if U_ENABLE_DYLOAD
113    const char *pluginFile = uplug_getPluginFile();
114    printf("Plugin file is: %s\n", (pluginFile&&*pluginFile)?pluginFile:"(not set. try setting ICU_PLUGINS to a directory.)");
115#else
116    fprintf(stderr, "Dynamic Loading: is disabled. No plugins will be loaded at start-up.\n");
117#endif
118}
119
120void cmd_cleanup()
121{
122    u_cleanup();
123    fprintf(stdout, "ICU u_cleanup() called.\n");
124}
125
126
127void cmd_listplugins() {
128    int32_t i;
129    UPlugData *plug;
130
131    do_init();
132    printf("ICU Initialized: u_init() returned %s\n", u_errorName(initStatus));
133
134    printf("Plugins: \n");
135    printf(    "# %6s   %s \n",
136                       "Level",
137                       "Name" );
138    printf(    "    %10s:%-10s\n",
139                       "Library",
140                       "Symbol"
141            );
142
143
144    printf(    "       config| (configuration string)\n");
145    printf(    " >>>   Error          | Explanation \n");
146    printf(    "-----------------------------------\n");
147
148    for(i=0;(plug=uplug_getPlugInternal(i))!=NULL;i++) {
149        UErrorCode libStatus = U_ZERO_ERROR;
150        const char *name = uplug_getPlugName(plug);
151        const char *sym = uplug_getSymbolName(plug);
152        const char *lib = uplug_getLibraryName(plug, &libStatus);
153        const char *config = uplug_getConfiguration(plug);
154        UErrorCode loadStatus = uplug_getPlugLoadStatus(plug);
155        const char *message = NULL;
156
157        printf("\n#%d  %-6s %s \n",
158            i+1,
159            udbg_enumName(UDBG_UPlugLevel,(int32_t)uplug_getPlugLevel(plug)),
160            name!=NULL?(*name?name:"this plugin did not call uplug_setPlugName()"):"(null)"
161        );
162        printf("    plugin| %10s:%-10s\n",
163            (U_SUCCESS(libStatus)?(lib!=NULL?lib:"(null)"):u_errorName(libStatus)),
164            sym!=NULL?sym:"(null)"
165        );
166
167        if(config!=NULL&&*config) {
168            printf("    config| %s\n", config);
169        }
170
171        switch(loadStatus) {
172            case U_PLUGIN_CHANGED_LEVEL_WARNING:
173                message = "Note: This plugin changed the system level (by allocating memory or calling something which does). Later plugins may not load.";
174                break;
175
176            case U_PLUGIN_DIDNT_SET_LEVEL:
177                message = "Error: This plugin did not call uplug_setPlugLevel during QUERY.";
178                break;
179
180            case U_PLUGIN_TOO_HIGH:
181                message = "Error: This plugin couldn't load because the system level was too high. Try loading this plugin earlier.";
182                break;
183
184            case U_ZERO_ERROR:
185                message = NULL; /* no message */
186                break;
187            default:
188                if(U_FAILURE(loadStatus)) {
189                    message = "error loading:";
190                } else {
191                    message = "warning during load:";
192                }
193        }
194
195        if(message!=NULL) {
196            printf("\\\\\\ status| %s\n"
197                   "/// %s\n", u_errorName(loadStatus), message);
198        }
199
200    }
201	if(i==0) {
202		printf("No plugins loaded.\n");
203	}
204
205}
206
207
208
209extern int
210main(int argc, char* argv[]) {
211    UErrorCode errorCode = U_ZERO_ERROR;
212    UBool didSomething = FALSE;
213
214    /* preset then read command line options */
215    argc=u_parseArgs(argc, argv, sizeof(options)/sizeof(options[0]), options);
216
217    /* error handling, printing usage message */
218    if(argc<0) {
219        fprintf(stderr,
220            "error in command line argument \"%s\"\n",
221            argv[-argc]);
222    }
223    if( options[0].doesOccur || options[1].doesOccur) {
224      fprintf(stderr, "%s: Output information about the current ICU\n", argv[0]);
225      fprintf(stderr, "Options:\n"
226              " -h     or  --help                 - Print this help message.\n"
227              " -m     or  --millisecond-time     - Print the current UTC time in milliseconds.\n"
228              " -d <dir>   or  --icudatadir <dir> - Set the ICU Data Directory\n"
229              " -v                                - Print version and configuration information about ICU\n"
230              " -L         or  --list-plugins     - List and diagnose issues with ICU Plugins\n"
231              " -K         or  --cleanup          - Call u_cleanup() before exitting (will attempt to unload plugins)\n"
232              "\n"
233              "If no arguments are given, the tool will print ICU version and configuration information.\n"
234              );
235      fprintf(stderr, "International Components for Unicode %s\n%s\n", U_ICU_VERSION, U_COPYRIGHT_STRING );
236      return argc<0 ? U_ILLEGAL_ARGUMENT_ERROR : U_ZERO_ERROR;
237    }
238
239    if(options[2].doesOccur) {
240      u_setDataDirectory(options[2].value);
241    }
242
243    if(options[5].doesOccur) {
244      cmd_millis();
245      didSomething=TRUE;
246    }
247    if(options[4].doesOccur) {
248      cmd_listplugins();
249      didSomething = TRUE;
250    }
251
252    if(options[3].doesOccur) {
253      cmd_version(FALSE, errorCode);
254      didSomething = TRUE;
255    }
256
257    if(options[7].doesOccur) {  /* 2nd part of version: cleanup */
258      FILE *out = fopen(options[7].value, "w");
259      if(out==NULL) {
260        fprintf(stderr,"ERR: can't write to XML file %s\n", options[7].value);
261        return 1;
262      }
263      /* todo: API for writing DTD? */
264      fprintf(out, "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n");
265      udbg_writeIcuInfo(out);
266      fclose(out);
267      didSomething = TRUE;
268    }
269
270    if(options[6].doesOccur) {  /* 2nd part of version: cleanup */
271      cmd_cleanup();
272      didSomething = TRUE;
273    }
274
275    if(!didSomething) {
276      cmd_version(FALSE, errorCode);  /* at least print the version # */
277    }
278
279    return U_FAILURE(errorCode);
280}
281