468 lines
16 KiB
C++
468 lines
16 KiB
C++
/*
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*******************************************************************************
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*
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* Copyright (C) 2005-2009, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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*******************************************************************************
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* file name: icupkg.cpp
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* encoding: US-ASCII
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* tab size: 8 (not used)
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* indentation:4
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*
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* created on: 2005jul29
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* created by: Markus W. Scherer
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*
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* This tool operates on ICU data (.dat package) files.
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* It takes one as input, or creates an empty one, and can remove, add, and
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* extract data pieces according to command-line options.
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* At the same time, it swaps each piece to a consistent set of platform
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* properties as desired.
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* Useful as an install-time tool for shipping only one flavor of ICU data
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* and preparing data files for the target platform.
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* Also for customizing ICU data (pruning, augmenting, replacing) and for
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* taking it apart.
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* Subsumes functionality and implementation code from
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* gencmn, decmn, and icuswap tools.
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* Will not work with data DLLs (shared libraries).
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*/
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#include "unicode/utypes.h"
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#include "unicode/putil.h"
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#include "cstring.h"
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#include "toolutil.h"
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#include "uoptions.h"
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#include "uparse.h"
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#include "package.h"
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#include "pkg_icu.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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U_NAMESPACE_USE
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// TODO: add --matchmode=regex for using the ICU regex engine for item name pattern matching?
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// general definitions ----------------------------------------------------- ***
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#define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0]))
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// main() ------------------------------------------------------------------ ***
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static void
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printUsage(const char *pname, UBool isHelp) {
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FILE *where=isHelp ? stdout : stderr;
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fprintf(where,
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"%csage: %s [-h|-?|--help ] [-tl|-tb|-te] [-c] [-C comment]\n"
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"\t[-a list] [-r list] [-x list] [-l]\n"
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"\t[-s path] [-d path] [-w] [-m mode]\n"
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"\tinfilename [outfilename]\n",
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isHelp ? 'U' : 'u', pname);
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if(isHelp) {
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fprintf(where,
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"\n"
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"Read the input ICU .dat package file, modify it according to the options,\n"
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"swap it to the desired platform properties (charset & endianness),\n"
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"and optionally write the resulting ICU .dat package to the output file.\n"
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"Items are removed, then added, then extracted and listed.\n"
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"An ICU .dat package is written if items are removed or added,\n"
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"or if the input and output filenames differ,\n"
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"or if the --writepkg (-w) option is set.\n");
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fprintf(where,
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"\n"
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"If the input filename is \"new\" then an empty package is created.\n"
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"If the output filename is missing, then it is automatically generated\n"
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"from the input filename: If the input filename ends with an l, b, or e\n"
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"matching its platform properties, then the output filename will\n"
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"contain the letter from the -t (--type) option.\n");
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fprintf(where,
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"\n"
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"This tool can also be used to just swap a single ICU data file, replacing the\n"
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"former icuswap tool. For this mode, provide the infilename (and optional\n"
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"outfilename) for a non-package ICU data file.\n"
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"Allowed options include -t, -w, -s and -d.\n"
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"The filenames can be absolute, or relative to the source/dest dir paths.\n"
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"Other options are not allowed in this mode.\n");
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fprintf(where,
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"\n"
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"Options:\n"
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"\t(Only the last occurrence of an option is used.)\n"
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"\n"
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"\t-h or -? or --help print this message and exit\n");
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fprintf(where,
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"\n"
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"\t-tl or --type l output for little-endian/ASCII charset family\n"
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"\t-tb or --type b output for big-endian/ASCII charset family\n"
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"\t-te or --type e output for big-endian/EBCDIC charset family\n"
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"\t The output type defaults to the input type.\n"
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"\n"
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"\t-c or --copyright include the ICU copyright notice\n"
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"\t-C comment or --comment comment include a comment string\n");
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fprintf(where,
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"\n"
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"\t-a list or --add list add items to the package\n"
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"\t-r list or --remove list remove items from the package\n"
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"\t-x list or --extract list extract items from the package\n"
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"\tThe list can be a single item's filename,\n"
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"\tor a .txt filename with a list of item filenames,\n"
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"\tor an ICU .dat package filename.\n");
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fprintf(where,
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"\n"
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"\t-w or --writepkg write the output package even if no items are removed\n"
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"\t or added (e.g., for only swapping the data)\n");
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fprintf(where,
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"\n"
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"\t-m mode or --matchmode mode set the matching mode for item names with\n"
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"\t wildcards\n"
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"\t noslash: the '*' wildcard does not match the '/' tree separator\n");
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/*
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* Usage text columns, starting after the initial TAB.
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* 1 2 3 4 5 6 7 8
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* 901234567890123456789012345678901234567890123456789012345678901234567890
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*/
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fprintf(where,
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"\n"
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"\tList file syntax: Items are listed on one or more lines and separated\n"
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"\tby whitespace (space+tab).\n"
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"\tComments begin with # and are ignored. Empty lines are ignored.\n"
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"\tLines where the first non-whitespace character is one of %s\n"
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"\tare also ignored, to reserve for future syntax.\n",
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U_PKG_RESERVED_CHARS);
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fprintf(where,
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"\tItems for removal or extraction may contain a single '*' wildcard\n"
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"\tcharacter. The '*' matches zero or more characters.\n"
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"\tIf --matchmode noslash (-m noslash) is set, then the '*'\n"
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"\tdoes not match '/'.\n");
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fprintf(where,
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"\n"
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"\tItems must be listed relative to the package, and the --sourcedir or\n"
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"\tthe --destdir path will be prepended.\n"
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"\tThe paths are only prepended to item filenames while adding or\n"
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"\textracting items, not to ICU .dat package or list filenames.\n"
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"\t\n"
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"\tPaths may contain '/' instead of the platform's\n"
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"\tfile separator character, and are converted as appropriate.\n");
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fprintf(where,
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"\n"
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"\t-s path or --sourcedir path directory for the --add items\n"
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"\t-d path or --destdir path directory for the --extract items\n"
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"\n"
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"\t-l or --list list the package items to stdout\n"
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"\t (after modifying the package)\n");
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}
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}
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static UOption options[]={
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UOPTION_HELP_H,
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UOPTION_HELP_QUESTION_MARK,
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UOPTION_DEF("type", 't', UOPT_REQUIRES_ARG),
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UOPTION_COPYRIGHT,
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UOPTION_DEF("comment", 'C', UOPT_REQUIRES_ARG),
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UOPTION_SOURCEDIR,
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UOPTION_DESTDIR,
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UOPTION_DEF("writepkg", 'w', UOPT_NO_ARG),
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UOPTION_DEF("matchmode", 'm', UOPT_REQUIRES_ARG),
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UOPTION_DEF("add", 'a', UOPT_REQUIRES_ARG),
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UOPTION_DEF("remove", 'r', UOPT_REQUIRES_ARG),
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UOPTION_DEF("extract", 'x', UOPT_REQUIRES_ARG),
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UOPTION_DEF("list", 'l', UOPT_NO_ARG)
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};
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enum {
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OPT_HELP_H,
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OPT_HELP_QUESTION_MARK,
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OPT_OUT_TYPE,
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OPT_COPYRIGHT,
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OPT_COMMENT,
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OPT_SOURCEDIR,
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OPT_DESTDIR,
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OPT_WRITEPKG,
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OPT_MATCHMODE,
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OPT_ADD_LIST,
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OPT_REMOVE_LIST,
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OPT_EXTRACT_LIST,
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OPT_LIST_ITEMS,
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OPT_COUNT
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};
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static UBool
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isPackageName(const char *filename) {
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int32_t len;
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len=(int32_t)strlen(filename)-4; /* -4: subtract the length of ".dat" */
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return (UBool)(len>0 && 0==strcmp(filename+len, ".dat"));
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}
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/*
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This line is required by MinGW because it incorrectly globs the arguments.
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So when \* is used, it turns into a list of files instead of a literal "*"
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*/
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int _CRT_glob = 0;
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extern int
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main(int argc, char *argv[]) {
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const char *pname, *sourcePath, *destPath, *inFilename, *outFilename, *outComment;
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char outType;
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UBool isHelp, isModified, isPackage;
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int result = 0;
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Package *pkg, *listPkg, *addListPkg;
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U_MAIN_INIT_ARGS(argc, argv);
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/* get the program basename */
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pname=findBasename(argv[0]);
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argc=u_parseArgs(argc, argv, LENGTHOF(options), options);
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isHelp=options[OPT_HELP_H].doesOccur || options[OPT_HELP_QUESTION_MARK].doesOccur;
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if(isHelp) {
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printUsage(pname, TRUE);
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return U_ZERO_ERROR;
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}
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if(argc<2 || 3<argc) {
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printUsage(pname, FALSE);
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return U_ILLEGAL_ARGUMENT_ERROR;
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}
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pkg=new Package;
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if(pkg==NULL) {
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fprintf(stderr, "icupkg: not enough memory\n");
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return U_MEMORY_ALLOCATION_ERROR;
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}
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isModified=FALSE;
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if(options[OPT_SOURCEDIR].doesOccur) {
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sourcePath=options[OPT_SOURCEDIR].value;
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} else {
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// work relative to the current working directory
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sourcePath=NULL;
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}
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if(options[OPT_DESTDIR].doesOccur) {
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destPath=options[OPT_DESTDIR].value;
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} else {
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// work relative to the current working directory
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destPath=NULL;
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}
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if(0==strcmp(argv[1], "new")) {
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inFilename=NULL;
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isPackage=TRUE;
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} else {
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inFilename=argv[1];
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if(isPackageName(inFilename)) {
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pkg->readPackage(inFilename);
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isPackage=TRUE;
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} else {
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/* swap a single file (icuswap replacement) rather than work on a package */
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pkg->addFile(sourcePath, inFilename);
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isPackage=FALSE;
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}
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}
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if(argc>=3) {
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outFilename=argv[2];
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if(0!=strcmp(argv[1], argv[2])) {
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isModified=TRUE;
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}
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} else if(isPackage) {
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outFilename=NULL;
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} else /* !isPackage */ {
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outFilename=inFilename;
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isModified=(UBool)(sourcePath!=destPath);
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}
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/* parse the output type option */
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if(options[OPT_OUT_TYPE].doesOccur) {
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const char *type=options[OPT_OUT_TYPE].value;
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if(type[0]==0 || type[1]!=0) {
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/* the type must be exactly one letter */
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printUsage(pname, FALSE);
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return U_ILLEGAL_ARGUMENT_ERROR;
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}
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outType=type[0];
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switch(outType) {
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case 'l':
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case 'b':
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case 'e':
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break;
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default:
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printUsage(pname, FALSE);
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return U_ILLEGAL_ARGUMENT_ERROR;
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}
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/*
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* Set the isModified flag if the output type differs from the
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* input package type.
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* If we swap a single file, just assume that we are modifying it.
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* The Package class does not give us access to the item and its type.
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*/
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isModified=(UBool)(!isPackage || outType!=pkg->getInType());
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} else if(isPackage) {
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outType=pkg->getInType(); // default to input type
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} else /* !isPackage: swap single file */ {
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outType=0; /* tells extractItem() to not swap */
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}
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if(options[OPT_WRITEPKG].doesOccur) {
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isModified=TRUE;
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}
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if(!isPackage) {
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/*
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* icuswap tool replacement: Only swap a single file.
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* Check that irrelevant options are not set.
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*/
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if( options[OPT_COMMENT].doesOccur ||
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options[OPT_COPYRIGHT].doesOccur ||
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options[OPT_MATCHMODE].doesOccur ||
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options[OPT_REMOVE_LIST].doesOccur ||
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options[OPT_ADD_LIST].doesOccur ||
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options[OPT_EXTRACT_LIST].doesOccur ||
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options[OPT_LIST_ITEMS].doesOccur
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) {
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printUsage(pname, FALSE);
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return U_ILLEGAL_ARGUMENT_ERROR;
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}
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if(isModified) {
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pkg->extractItem(destPath, outFilename, 0, outType);
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}
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delete pkg;
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return result;
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}
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/* Work with a package. */
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if(options[OPT_COMMENT].doesOccur) {
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outComment=options[OPT_COMMENT].value;
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} else if(options[OPT_COPYRIGHT].doesOccur) {
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outComment=U_COPYRIGHT_STRING;
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} else {
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outComment=NULL;
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}
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if(options[OPT_MATCHMODE].doesOccur) {
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if(0==strcmp(options[OPT_MATCHMODE].value, "noslash")) {
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pkg->setMatchMode(Package::MATCH_NOSLASH);
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} else {
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printUsage(pname, FALSE);
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return U_ILLEGAL_ARGUMENT_ERROR;
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}
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}
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/* remove items */
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if(options[OPT_REMOVE_LIST].doesOccur) {
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listPkg=readList(NULL, options[OPT_REMOVE_LIST].value, FALSE);
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if(listPkg!=NULL) {
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pkg->removeItems(*listPkg);
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delete listPkg;
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isModified=TRUE;
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} else {
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printUsage(pname, FALSE);
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return U_ILLEGAL_ARGUMENT_ERROR;
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}
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}
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/*
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* add items
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* use a separate Package so that its memory and items stay around
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* as long as the main Package
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*/
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addListPkg=NULL;
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if(options[OPT_ADD_LIST].doesOccur) {
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addListPkg=readList(sourcePath, options[OPT_ADD_LIST].value, TRUE);
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if(addListPkg!=NULL) {
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pkg->addItems(*addListPkg);
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// delete addListPkg; deferred until after writePackage()
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isModified=TRUE;
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} else {
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printUsage(pname, FALSE);
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return U_ILLEGAL_ARGUMENT_ERROR;
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}
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}
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/* extract items */
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if(options[OPT_EXTRACT_LIST].doesOccur) {
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listPkg=readList(NULL, options[OPT_EXTRACT_LIST].value, FALSE);
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if(listPkg!=NULL) {
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pkg->extractItems(destPath, *listPkg, outType);
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delete listPkg;
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} else {
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printUsage(pname, FALSE);
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return U_ILLEGAL_ARGUMENT_ERROR;
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}
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}
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/* list items */
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if(options[OPT_LIST_ITEMS].doesOccur) {
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int32_t i;
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for(i=0; i<pkg->getItemCount(); ++i) {
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fprintf(stdout, "%s\n", pkg->getItem(i)->name);
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}
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}
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/* check dependencies between items */
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if(!pkg->checkDependencies()) {
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/* some dependencies are not fulfilled */
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return U_MISSING_RESOURCE_ERROR;
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}
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/* write the output .dat package if there are any modifications */
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if(isModified) {
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char outFilenameBuffer[1024]; // for auto-generated output filename, if necessary
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if(outFilename==NULL || outFilename[0]==0) {
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if(inFilename==NULL || inFilename[0]==0) {
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fprintf(stderr, "icupkg: unable to auto-generate an output filename if there is no input filename\n");
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exit(U_ILLEGAL_ARGUMENT_ERROR);
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}
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/*
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* auto-generate a filename:
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* copy the inFilename,
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* and if the last basename character matches the input file's type,
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* then replace it with the output file's type
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*/
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char suffix[6]="?.dat";
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char *s;
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suffix[0]=pkg->getInType();
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strcpy(outFilenameBuffer, inFilename);
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s=strchr(outFilenameBuffer, 0);
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if((s-outFilenameBuffer)>5 && 0==memcmp(s-5, suffix, 5)) {
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*(s-5)=outType;
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}
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outFilename=outFilenameBuffer;
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}
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result = writePackageDatFile(outFilename, outComment, NULL, NULL, pkg, outType);
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}
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delete addListPkg;
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delete pkg;
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return result;
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}
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/*
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* Hey, Emacs, please set the following:
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*
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* Local Variables:
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* indent-tabs-mode: nil
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* End:
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*
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*/
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