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1 /*
2 *******************************************************************************
3 *
4 *   Copyright (C) 2005-2009, International Business Machines
5 *   Corporation and others.  All Rights Reserved.
6 *
7 *******************************************************************************
8 *   file name:  icupkg.cpp
9 *   encoding:   US-ASCII
10 *   tab size:   8 (not used)
11 *   indentation:4
12 *
13 *   created on: 2005jul29
14 *   created by: Markus W. Scherer
15 *
16 *   This tool operates on ICU data (.dat package) files.
17 *   It takes one as input, or creates an empty one, and can remove, add, and
18 *   extract data pieces according to command-line options.
19 *   At the same time, it swaps each piece to a consistent set of platform
20 *   properties as desired.
21 *   Useful as an install-time tool for shipping only one flavor of ICU data
22 *   and preparing data files for the target platform.
23 *   Also for customizing ICU data (pruning, augmenting, replacing) and for
24 *   taking it apart.
25 *   Subsumes functionality and implementation code from
26 *   gencmn, decmn, and icuswap tools.
27 *   Will not work with data DLLs (shared libraries).
28 */
29 
30 #include "unicode/utypes.h"
31 #include "unicode/putil.h"
32 #include "cstring.h"
33 #include "toolutil.h"
34 #include "uoptions.h"
35 #include "uparse.h"
36 #include "filestrm.h"
37 #include "package.h"
38 #include "pkg_icu.h"
39 
40 #include <stdio.h>
41 #include <stdlib.h>
42 #include <string.h>
43 
44 U_NAMESPACE_USE
45 
46 // TODO: add --matchmode=regex for using the ICU regex engine for item name pattern matching?
47 
48 // general definitions ----------------------------------------------------- ***
49 
50 #define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0]))
51 
52 // main() ------------------------------------------------------------------ ***
53 
54 static void
printUsage(const char * pname,UBool isHelp)55 printUsage(const char *pname, UBool isHelp) {
56     FILE *where=isHelp ? stdout : stderr;
57 
58     fprintf(where,
59             "%csage: %s [-h|-?|--help ] [-tl|-tb|-te] [-c] [-C comment]\n"
60             "\t[-a list] [-r list] [-x list] [-l [-o outputListFileName]]\n"
61             "\t[-s path] [-d path] [-w] [-m mode]\n"
62             "\tinfilename [outfilename]\n",
63             isHelp ? 'U' : 'u', pname);
64     if(isHelp) {
65         fprintf(where,
66             "\n"
67             "Read the input ICU .dat package file, modify it according to the options,\n"
68             "swap it to the desired platform properties (charset & endianness),\n"
69             "and optionally write the resulting ICU .dat package to the output file.\n"
70             "Items are removed, then added, then extracted and listed.\n"
71             "An ICU .dat package is written if items are removed or added,\n"
72             "or if the input and output filenames differ,\n"
73             "or if the --writepkg (-w) option is set.\n");
74         fprintf(where,
75             "\n"
76             "If the input filename is \"new\" then an empty package is created.\n"
77             "If the output filename is missing, then it is automatically generated\n"
78             "from the input filename: If the input filename ends with an l, b, or e\n"
79             "matching its platform properties, then the output filename will\n"
80             "contain the letter from the -t (--type) option.\n");
81         fprintf(where,
82             "\n"
83             "This tool can also be used to just swap a single ICU data file, replacing the\n"
84             "former icuswap tool. For this mode, provide the infilename (and optional\n"
85             "outfilename) for a non-package ICU data file.\n"
86             "Allowed options include -t, -w, -s and -d.\n"
87             "The filenames can be absolute, or relative to the source/dest dir paths.\n"
88             "Other options are not allowed in this mode.\n");
89         fprintf(where,
90             "\n"
91             "Options:\n"
92             "\t(Only the last occurrence of an option is used.)\n"
93             "\n"
94             "\t-h or -? or --help    print this message and exit\n");
95         fprintf(where,
96             "\n"
97             "\t-tl or --type l   output for little-endian/ASCII charset family\n"
98             "\t-tb or --type b   output for big-endian/ASCII charset family\n"
99             "\t-te or --type e   output for big-endian/EBCDIC charset family\n"
100             "\t                  The output type defaults to the input type.\n"
101             "\n"
102             "\t-c or --copyright include the ICU copyright notice\n"
103             "\t-C comment or --comment comment   include a comment string\n");
104         fprintf(where,
105             "\n"
106             "\t-a list or --add list      add items to the package\n"
107             "\t-r list or --remove list   remove items from the package\n"
108             "\t-x list or --extract list  extract items from the package\n"
109             "\tThe list can be a single item's filename,\n"
110             "\tor a .txt filename with a list of item filenames,\n"
111             "\tor an ICU .dat package filename.\n");
112         fprintf(where,
113             "\n"
114             "\t-w or --writepkg  write the output package even if no items are removed\n"
115             "\t                  or added (e.g., for only swapping the data)\n");
116         fprintf(where,
117             "\n"
118             "\t-m mode or --matchmode mode  set the matching mode for item names with\n"
119             "\t                             wildcards\n"
120             "\t        noslash: the '*' wildcard does not match the '/' tree separator\n");
121         /*
122          * Usage text columns, starting after the initial TAB.
123          *      1         2         3         4         5         6         7         8
124          *     901234567890123456789012345678901234567890123456789012345678901234567890
125          */
126         fprintf(where,
127             "\n"
128             "\tList file syntax: Items are listed on one or more lines and separated\n"
129             "\tby whitespace (space+tab).\n"
130             "\tComments begin with # and are ignored. Empty lines are ignored.\n"
131             "\tLines where the first non-whitespace character is one of %s\n"
132             "\tare also ignored, to reserve for future syntax.\n",
133             U_PKG_RESERVED_CHARS);
134         fprintf(where,
135             "\tItems for removal or extraction may contain a single '*' wildcard\n"
136             "\tcharacter. The '*' matches zero or more characters.\n"
137             "\tIf --matchmode noslash (-m noslash) is set, then the '*'\n"
138             "\tdoes not match '/'.\n");
139         fprintf(where,
140             "\n"
141             "\tItems must be listed relative to the package, and the --sourcedir or\n"
142             "\tthe --destdir path will be prepended.\n"
143             "\tThe paths are only prepended to item filenames while adding or\n"
144             "\textracting items, not to ICU .dat package or list filenames.\n"
145             "\t\n"
146             "\tPaths may contain '/' instead of the platform's\n"
147             "\tfile separator character, and are converted as appropriate.\n");
148         fprintf(where,
149             "\n"
150             "\t-s path or --sourcedir path  directory for the --add items\n"
151             "\t-d path or --destdir path    directory for the --extract items\n"
152             "\n"
153             "\t-l or --list                 list the package items to stdout or to output list file\n"
154             "\t                             (after modifying the package)\n");
155     }
156 }
157 
158 static UOption options[]={
159     UOPTION_HELP_H,
160     UOPTION_HELP_QUESTION_MARK,
161     UOPTION_DEF("type", 't', UOPT_REQUIRES_ARG),
162 
163     UOPTION_COPYRIGHT,
164     UOPTION_DEF("comment", 'C', UOPT_REQUIRES_ARG),
165 
166     UOPTION_SOURCEDIR,
167     UOPTION_DESTDIR,
168 
169     UOPTION_DEF("writepkg", 'w', UOPT_NO_ARG),
170 
171     UOPTION_DEF("matchmode", 'm', UOPT_REQUIRES_ARG),
172 
173     UOPTION_DEF("add", 'a', UOPT_REQUIRES_ARG),
174     UOPTION_DEF("remove", 'r', UOPT_REQUIRES_ARG),
175     UOPTION_DEF("extract", 'x', UOPT_REQUIRES_ARG),
176 
177     UOPTION_DEF("list", 'l', UOPT_NO_ARG),
178 
179     UOPTION_DEF("outlist", 'o', UOPT_REQUIRES_ARG)
180 };
181 
182 enum {
183     OPT_HELP_H,
184     OPT_HELP_QUESTION_MARK,
185     OPT_OUT_TYPE,
186 
187     OPT_COPYRIGHT,
188     OPT_COMMENT,
189 
190     OPT_SOURCEDIR,
191     OPT_DESTDIR,
192 
193     OPT_WRITEPKG,
194 
195     OPT_MATCHMODE,
196 
197     OPT_ADD_LIST,
198     OPT_REMOVE_LIST,
199     OPT_EXTRACT_LIST,
200 
201     OPT_LIST_ITEMS,
202 
203     OPT_LIST_FILE,
204 
205     OPT_COUNT
206 };
207 
208 static UBool
isPackageName(const char * filename)209 isPackageName(const char *filename) {
210     int32_t len;
211 
212     len=(int32_t)strlen(filename)-4; /* -4: subtract the length of ".dat" */
213     return (UBool)(len>0 && 0==strcmp(filename+len, ".dat"));
214 }
215 /*
216 This line is required by MinGW because it incorrectly globs the arguments.
217 So when \* is used, it turns into a list of files instead of a literal "*"
218 */
219 int _CRT_glob = 0;
220 
221 extern int
main(int argc,char * argv[])222 main(int argc, char *argv[]) {
223     const char *pname, *sourcePath, *destPath, *inFilename, *outFilename, *outComment;
224     char outType;
225     UBool isHelp, isModified, isPackage;
226     int result = 0;
227 
228     Package *pkg, *listPkg, *addListPkg;
229 
230     U_MAIN_INIT_ARGS(argc, argv);
231 
232     /* get the program basename */
233     pname=findBasename(argv[0]);
234 
235     argc=u_parseArgs(argc, argv, LENGTHOF(options), options);
236     isHelp=options[OPT_HELP_H].doesOccur || options[OPT_HELP_QUESTION_MARK].doesOccur;
237     if(isHelp) {
238         printUsage(pname, TRUE);
239         return U_ZERO_ERROR;
240     }
241     if(argc<2 || 3<argc) {
242         printUsage(pname, FALSE);
243         return U_ILLEGAL_ARGUMENT_ERROR;
244     }
245 
246     pkg=new Package;
247     if(pkg==NULL) {
248         fprintf(stderr, "icupkg: not enough memory\n");
249         return U_MEMORY_ALLOCATION_ERROR;
250     }
251     isModified=FALSE;
252 
253     if(options[OPT_SOURCEDIR].doesOccur) {
254         sourcePath=options[OPT_SOURCEDIR].value;
255     } else {
256         // work relative to the current working directory
257         sourcePath=NULL;
258     }
259     if(options[OPT_DESTDIR].doesOccur) {
260         destPath=options[OPT_DESTDIR].value;
261     } else {
262         // work relative to the current working directory
263         destPath=NULL;
264     }
265 
266     if(0==strcmp(argv[1], "new")) {
267         inFilename=NULL;
268         isPackage=TRUE;
269     } else {
270         inFilename=argv[1];
271         if(isPackageName(inFilename)) {
272             pkg->readPackage(inFilename);
273             isPackage=TRUE;
274         } else {
275             /* swap a single file (icuswap replacement) rather than work on a package */
276             pkg->addFile(sourcePath, inFilename);
277             isPackage=FALSE;
278         }
279     }
280 
281     if(argc>=3) {
282         outFilename=argv[2];
283         if(0!=strcmp(argv[1], argv[2])) {
284             isModified=TRUE;
285         }
286     } else if(isPackage) {
287         outFilename=NULL;
288     } else /* !isPackage */ {
289         outFilename=inFilename;
290         isModified=(UBool)(sourcePath!=destPath);
291     }
292 
293     /* parse the output type option */
294     if(options[OPT_OUT_TYPE].doesOccur) {
295         const char *type=options[OPT_OUT_TYPE].value;
296         if(type[0]==0 || type[1]!=0) {
297             /* the type must be exactly one letter */
298             printUsage(pname, FALSE);
299             return U_ILLEGAL_ARGUMENT_ERROR;
300         }
301         outType=type[0];
302         switch(outType) {
303         case 'l':
304         case 'b':
305         case 'e':
306             break;
307         default:
308             printUsage(pname, FALSE);
309             return U_ILLEGAL_ARGUMENT_ERROR;
310         }
311 
312         /*
313          * Set the isModified flag if the output type differs from the
314          * input package type.
315          * If we swap a single file, just assume that we are modifying it.
316          * The Package class does not give us access to the item and its type.
317          */
318         isModified|=(UBool)(!isPackage || outType!=pkg->getInType());
319     } else if(isPackage) {
320         outType=pkg->getInType(); // default to input type
321     } else /* !isPackage: swap single file */ {
322         outType=0; /* tells extractItem() to not swap */
323     }
324 
325     if(options[OPT_WRITEPKG].doesOccur) {
326         isModified=TRUE;
327     }
328 
329     if(!isPackage) {
330         /*
331          * icuswap tool replacement: Only swap a single file.
332          * Check that irrelevant options are not set.
333          */
334         if( options[OPT_COMMENT].doesOccur ||
335             options[OPT_COPYRIGHT].doesOccur ||
336             options[OPT_MATCHMODE].doesOccur ||
337             options[OPT_REMOVE_LIST].doesOccur ||
338             options[OPT_ADD_LIST].doesOccur ||
339             options[OPT_EXTRACT_LIST].doesOccur ||
340             options[OPT_LIST_ITEMS].doesOccur
341         ) {
342             printUsage(pname, FALSE);
343             return U_ILLEGAL_ARGUMENT_ERROR;
344         }
345         if(isModified) {
346             pkg->extractItem(destPath, outFilename, 0, outType);
347         }
348 
349         delete pkg;
350         return result;
351     }
352 
353     /* Work with a package. */
354 
355     if(options[OPT_COMMENT].doesOccur) {
356         outComment=options[OPT_COMMENT].value;
357     } else if(options[OPT_COPYRIGHT].doesOccur) {
358         outComment=U_COPYRIGHT_STRING;
359     } else {
360         outComment=NULL;
361     }
362 
363     if(options[OPT_MATCHMODE].doesOccur) {
364         if(0==strcmp(options[OPT_MATCHMODE].value, "noslash")) {
365             pkg->setMatchMode(Package::MATCH_NOSLASH);
366         } else {
367             printUsage(pname, FALSE);
368             return U_ILLEGAL_ARGUMENT_ERROR;
369         }
370     }
371 
372     /* remove items */
373     if(options[OPT_REMOVE_LIST].doesOccur) {
374         listPkg=readList(NULL, options[OPT_REMOVE_LIST].value, FALSE);
375         if(listPkg!=NULL) {
376             pkg->removeItems(*listPkg);
377             delete listPkg;
378             isModified=TRUE;
379         } else {
380             printUsage(pname, FALSE);
381             return U_ILLEGAL_ARGUMENT_ERROR;
382         }
383     }
384 
385     /*
386      * add items
387      * use a separate Package so that its memory and items stay around
388      * as long as the main Package
389      */
390     addListPkg=NULL;
391     if(options[OPT_ADD_LIST].doesOccur) {
392         addListPkg=readList(sourcePath, options[OPT_ADD_LIST].value, TRUE);
393         if(addListPkg!=NULL) {
394             pkg->addItems(*addListPkg);
395             // delete addListPkg; deferred until after writePackage()
396             isModified=TRUE;
397         } else {
398             printUsage(pname, FALSE);
399             return U_ILLEGAL_ARGUMENT_ERROR;
400         }
401     }
402 
403     /* extract items */
404     if(options[OPT_EXTRACT_LIST].doesOccur) {
405         listPkg=readList(NULL, options[OPT_EXTRACT_LIST].value, FALSE);
406         if(listPkg!=NULL) {
407             pkg->extractItems(destPath, *listPkg, outType);
408             delete listPkg;
409         } else {
410             printUsage(pname, FALSE);
411             return U_ILLEGAL_ARGUMENT_ERROR;
412         }
413     }
414 
415     /* list items */
416     if(options[OPT_LIST_ITEMS].doesOccur) {
417         int32_t i;
418         if (options[OPT_LIST_FILE].doesOccur) {
419             FileStream *out;
420             out = T_FileStream_open(options[OPT_LIST_FILE].value, "w");
421             if (out != NULL) {
422                 for(i=0; i<pkg->getItemCount(); ++i) {
423                     T_FileStream_writeLine(out, pkg->getItem(i)->name);
424                     T_FileStream_writeLine(out, "\n");
425                 }
426                 T_FileStream_close(out);
427             } else {
428                 return U_ILLEGAL_ARGUMENT_ERROR;
429             }
430         } else {
431             for(i=0; i<pkg->getItemCount(); ++i) {
432                 fprintf(stdout, "%s\n", pkg->getItem(i)->name);
433             }
434         }
435     }
436 
437     /* check dependencies between items */
438     if(!pkg->checkDependencies()) {
439         /* some dependencies are not fulfilled */
440         return U_MISSING_RESOURCE_ERROR;
441     }
442 
443     /* write the output .dat package if there are any modifications */
444     if(isModified) {
445         char outFilenameBuffer[1024]; // for auto-generated output filename, if necessary
446 
447         if(outFilename==NULL || outFilename[0]==0) {
448             if(inFilename==NULL || inFilename[0]==0) {
449                 fprintf(stderr, "icupkg: unable to auto-generate an output filename if there is no input filename\n");
450                 exit(U_ILLEGAL_ARGUMENT_ERROR);
451             }
452 
453             /*
454              * auto-generate a filename:
455              * copy the inFilename,
456              * and if the last basename character matches the input file's type,
457              * then replace it with the output file's type
458              */
459             char suffix[6]="?.dat";
460             char *s;
461 
462             suffix[0]=pkg->getInType();
463             strcpy(outFilenameBuffer, inFilename);
464             s=strchr(outFilenameBuffer, 0);
465             if((s-outFilenameBuffer)>5 && 0==memcmp(s-5, suffix, 5)) {
466                 *(s-5)=outType;
467             }
468             outFilename=outFilenameBuffer;
469         }
470         result = writePackageDatFile(outFilename, outComment, NULL, NULL, pkg, outType);
471     }
472 
473     delete addListPkg;
474     delete pkg;
475     return result;
476 }
477 
478 /*
479  * Hey, Emacs, please set the following:
480  *
481  * Local Variables:
482  * indent-tabs-mode: nil
483  * End:
484  *
485  */
486