Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 869 insertions, 0 deletions

diff --git a/intl/icu/source/tools/genrb/genrb.cpp b/intl/icu/source/tools/genrb/genrb.cpp
new file mode 100644
index 0000000000..fbf396d468
--- /dev/null
+++ b/intl/icu/source/tools/genrb/genrb.cpp
@@ -0,0 +1,869 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+*******************************************************************************
+*
+*   Copyright (C) 1998-2016, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+*
+*******************************************************************************
+*
+* File genrb.cpp
+*
+* Modification History:
+*
+*   Date        Name        Description
+*   05/25/99    stephen     Creation.
+*   5/10/01     Ram         removed ustdio dependency
+*******************************************************************************
+*/
+
+#include <fstream>
+#include <iostream>
+#include <list>
+#include <string>
+
+#include <assert.h>
+#include "genrb.h"
+#include "unicode/localpointer.h"
+#include "unicode/uclean.h"
+#include "unicode/utf16.h"
+#include "charstr.h"
+#include "cmemory.h"
+#include "filterrb.h"
+#include "reslist.h"
+#include "ucmndata.h"  /* TODO: for reading the pool bundle */
+#include "collationroot.h"
+
+U_NAMESPACE_USE
+
+/* Protos */
+void  processFile(const char *filename, const char* cp,
+                  const char *inputDir, const char *outputDir, const char *filterDir,
+                  const char *packageName,
+                  SRBRoot *newPoolBundle, UBool omitBinaryCollation, UErrorCode &status);
+static char *make_res_filename(const char *filename, const char *outputDir,
+                               const char *packageName, UErrorCode &status);
+
+/* File suffixes */
+#define RES_SUFFIX ".res"
+#define COL_SUFFIX ".col"
+
+const char *gCurrentFileName = nullptr;
+#ifdef XP_MAC_CONSOLE
+#include <console.h>
+#endif
+
+void ResFile::close() {
+    delete[] fBytes;
+    fBytes = nullptr;
+    delete fStrings;
+    fStrings = nullptr;
+}
+
+enum
+{
+    HELP1,
+    HELP2,
+    VERBOSE,
+    QUIET,
+    VERSION,
+    SOURCEDIR,
+    DESTDIR,
+    ENCODING,
+    ICUDATADIR,
+    WRITE_JAVA,
+    COPYRIGHT,
+    JAVA_PACKAGE,
+    BUNDLE_NAME,
+    WRITE_XLIFF,
+    STRICT,
+    NO_BINARY_COLLATION,
+    LANGUAGE,
+    NO_COLLATION_RULES,
+    FORMAT_VERSION,
+    WRITE_POOL_BUNDLE,
+    USE_POOL_BUNDLE,
+    INCLUDE_UNIHAN_COLL,
+    FILTERDIR,
+    ICU4X_MODE,
+    UCADATA
+};
+
+UOption options[]={
+                      UOPTION_HELP_H,
+                      UOPTION_HELP_QUESTION_MARK,
+                      UOPTION_VERBOSE,
+                      UOPTION_QUIET,
+                      UOPTION_VERSION,
+                      UOPTION_SOURCEDIR,
+                      UOPTION_DESTDIR,
+                      UOPTION_ENCODING,
+                      UOPTION_ICUDATADIR,
+                      UOPTION_WRITE_JAVA,
+                      UOPTION_COPYRIGHT,
+                      UOPTION_DEF("java-package", '\x01', UOPT_REQUIRES_ARG),
+                      UOPTION_BUNDLE_NAME,
+                      UOPTION_DEF("write-xliff", 'x', UOPT_OPTIONAL_ARG),
+                      UOPTION_DEF("strict",    'k', UOPT_NO_ARG), /* 14 */
+                      UOPTION_DEF("noBinaryCollation", 'C', UOPT_NO_ARG),/* 15 */
+                      UOPTION_DEF("language",  'l', UOPT_REQUIRES_ARG), /* 16 */
+                      UOPTION_DEF("omitCollationRules", 'R', UOPT_NO_ARG),/* 17 */
+                      UOPTION_DEF("formatVersion", '\x01', UOPT_REQUIRES_ARG),/* 18 */
+                      UOPTION_DEF("writePoolBundle", '\x01', UOPT_OPTIONAL_ARG),/* 19 */
+                      UOPTION_DEF("usePoolBundle", '\x01', UOPT_OPTIONAL_ARG),/* 20 */
+                      UOPTION_DEF("includeUnihanColl", '\x01', UOPT_NO_ARG),/* 21 */ /* temporary, don't display in usage info */
+                      UOPTION_DEF("filterDir", '\x01', UOPT_OPTIONAL_ARG), /* 22 */
+                      UOPTION_DEF("icu4xMode", 'X', UOPT_NO_ARG),/* 23 */
+                      UOPTION_DEF("ucadata", '\x01', UOPT_REQUIRES_ARG),/* 24 */
+                  };
+
+static     UBool       write_java = false;
+static     UBool       write_xliff = false;
+static     const char* outputEnc ="";
+
+static ResFile poolBundle;
+
+/*added by Jing*/
+static     const char* language = nullptr;
+static     const char* xliffOutputFileName = nullptr;
+int
+main(int argc,
+     char* argv[])
+{
+    UErrorCode  status    = U_ZERO_ERROR;
+    const char *arg       = nullptr;
+    const char *outputDir = nullptr; /* nullptr = no output directory, use current */
+    const char *inputDir  = nullptr;
+    const char *filterDir = nullptr;
+    const char *encoding  = "";
+    int         i;
+    UBool illegalArg = false;
+
+    U_MAIN_INIT_ARGS(argc, argv);
+
+    options[JAVA_PACKAGE].value = "com.ibm.icu.impl.data";
+    options[BUNDLE_NAME].value = "LocaleElements";
+    argc = u_parseArgs(argc, argv, UPRV_LENGTHOF(options), options);
+
+    /* error handling, printing usage message */
+    if(argc<0) {
+        fprintf(stderr, "%s: error in command line argument \"%s\"\n", argv[0], argv[-argc]);
+        illegalArg = true;
+    } else if(argc<2) {
+        illegalArg = true;
+    }
+    if(options[WRITE_POOL_BUNDLE].doesOccur && options[USE_POOL_BUNDLE].doesOccur) {
+        fprintf(stderr, "%s: cannot combine --writePoolBundle and --usePoolBundle\n", argv[0]);
+        illegalArg = true;
+    }
+    if (options[ICU4X_MODE].doesOccur && !options[UCADATA].doesOccur) {
+        fprintf(stderr, "%s: --icu4xMode requires --ucadata\n", argv[0]);
+        illegalArg = true;
+    }
+    if(options[FORMAT_VERSION].doesOccur) {
+        const char *s = options[FORMAT_VERSION].value;
+        if(uprv_strlen(s) != 1 || (s[0] < '1' && '3' < s[0])) {
+            fprintf(stderr, "%s: unsupported --formatVersion %s\n", argv[0], s);
+            illegalArg = true;
+        } else if(s[0] == '1' &&
+                  (options[WRITE_POOL_BUNDLE].doesOccur || options[USE_POOL_BUNDLE].doesOccur)
+        ) {
+            fprintf(stderr, "%s: cannot combine --formatVersion 1 with --writePoolBundle or --usePoolBundle\n", argv[0]);
+            illegalArg = true;
+        } else {
+            setFormatVersion(s[0] - '0');
+        }
+    }
+
+    if((options[JAVA_PACKAGE].doesOccur || options[BUNDLE_NAME].doesOccur) &&
+            !options[WRITE_JAVA].doesOccur) {
+        fprintf(stderr,
+                "%s error: command line argument --java-package or --bundle-name "
+                "without --write-java\n",
+                argv[0]);
+        illegalArg = true;
+    }
+
+    if(options[VERSION].doesOccur) {
+        fprintf(stderr,
+                "%s version %s (ICU version %s).\n"
+                "%s\n",
+                argv[0], GENRB_VERSION, U_ICU_VERSION, U_COPYRIGHT_STRING);
+        if(!illegalArg) {
+            return U_ZERO_ERROR;
+        }
+    }
+
+    if(illegalArg || options[HELP1].doesOccur || options[HELP2].doesOccur) {
+        /*
+         * Broken into chunks because the C89 standard says the minimum
+         * required supported string length is 509 bytes.
+         */
+        fprintf(stderr,
+                "Usage: %s [OPTIONS] [FILES]\n"
+                "\tReads the list of resource bundle source files and creates\n"
+                "\tbinary version of resource bundles (.res files)\n",
+                argv[0]);
+        fprintf(stderr,
+                "Options:\n"
+                "\t-h or -? or --help       this usage text\n"
+                "\t-q or --quiet            do not display warnings\n"
+                "\t-v or --verbose          print extra information when processing files\n"
+                "\t-V or --version          prints out version number and exits\n"
+                "\t-c or --copyright        include copyright notice\n");
+        fprintf(stderr,
+                "\t-e or --encoding         encoding of source files\n"
+                "\t-d or --destdir          destination directory, followed by the path, defaults to '%s'\n"
+                "\t-s or --sourcedir        source directory for files followed by path, defaults to '%s'\n"
+                "\t-i or --icudatadir       directory for locating any needed intermediate data files,\n"
+                "\t                         followed by path, defaults to '%s'\n",
+                u_getDataDirectory(), u_getDataDirectory(), u_getDataDirectory());
+        fprintf(stderr,
+                "\t-j or --write-java       write a Java ListResourceBundle for ICU4J, followed by optional encoding\n"
+                "\t                         defaults to ASCII and \\uXXXX format.\n"
+                "\t      --java-package     For --write-java: package name for writing the ListResourceBundle,\n"
+                "\t                         defaults to com.ibm.icu.impl.data\n");
+        fprintf(stderr,
+                "\t-b or --bundle-name      For --write-java: root resource bundle name for writing the ListResourceBundle,\n"
+                "\t                         defaults to LocaleElements\n"
+                "\t-x or --write-xliff      write an XLIFF file for the resource bundle. Followed by\n"
+                "\t                         an optional output file name.\n"
+                "\t-k or --strict           use pedantic parsing of syntax\n"
+                /*added by Jing*/
+                "\t-l or --language         for XLIFF: language code compliant with BCP 47.\n");
+        fprintf(stderr,
+                "\t-C or --noBinaryCollation  do not generate binary collation image;\n"
+                "\t                           makes .res file smaller but collator instantiation much slower;\n"
+                "\t                           maintains ability to get tailoring rules\n"
+                "\t-R or --omitCollationRules do not include collation (tailoring) rules;\n"
+                "\t                           makes .res file smaller and maintains collator instantiation speed\n"
+                "\t                           but tailoring rules will not be available (they are rarely used)\n");
+        fprintf(stderr,
+                "\t      --formatVersion      write a .res file compatible with the requested formatVersion (single digit);\n"
+                "\t                           for example, --formatVersion 1\n");
+        fprintf(stderr,
+                "\t      --writePoolBundle [directory]  write a pool.res file with all of the keys of all input bundles\n"
+                "\t      --usePoolBundle [directory]  point to keys from the pool.res keys pool bundle if they are available there;\n"
+                "\t                           makes .res files smaller but dependent on the pool bundle\n"
+                "\t                           (--writePoolBundle and --usePoolBundle cannot be combined)\n");
+        fprintf(stderr,
+                "\t      --filterDir          Input directory where filter files are available.\n"
+                "\t                           For more on filter files, see ICU Data Build Tool.\n");
+
+        return illegalArg ? U_ILLEGAL_ARGUMENT_ERROR : U_ZERO_ERROR;
+    }
+
+    if(options[VERBOSE].doesOccur) {
+        setVerbose(true);
+    }
+
+    if(options[QUIET].doesOccur) {
+        setShowWarning(false);
+    }
+    if(options[STRICT].doesOccur) {
+        setStrict(true);
+    }
+    if(options[COPYRIGHT].doesOccur){
+        setIncludeCopyright(true);
+    }
+
+    if(options[SOURCEDIR].doesOccur) {
+        inputDir = options[SOURCEDIR].value;
+    }
+
+    if(options[DESTDIR].doesOccur) {
+        outputDir = options[DESTDIR].value;
+    }
+
+    if (options[FILTERDIR].doesOccur) {
+        filterDir = options[FILTERDIR].value;
+    }
+
+    if(options[ENCODING].doesOccur) {
+        encoding = options[ENCODING].value;
+    }
+
+    if(options[ICUDATADIR].doesOccur) {
+        u_setDataDirectory(options[ICUDATADIR].value);
+    }
+    /* Initialize ICU */
+    u_init(&status);
+    if (U_FAILURE(status) && status != U_FILE_ACCESS_ERROR) {
+        /* Note: u_init() will try to open ICU property data.
+         *       failures here are expected when building ICU from scratch.
+         *       ignore them.
+        */
+        fprintf(stderr, "%s: can not initialize ICU.  status = %s\n",
+            argv[0], u_errorName(status));
+        exit(1);
+    }
+    status = U_ZERO_ERROR;
+    if(options[WRITE_JAVA].doesOccur) {
+        write_java = true;
+        outputEnc = options[WRITE_JAVA].value;
+    }
+
+    if(options[WRITE_XLIFF].doesOccur) {
+        write_xliff = true;
+        if(options[WRITE_XLIFF].value != nullptr){
+            xliffOutputFileName = options[WRITE_XLIFF].value;
+        }
+    }
+
+    if (options[UCADATA].doesOccur) {
+#if !UCONFIG_NO_COLLATION
+        CollationRoot::forceLoadFromFile(options[UCADATA].value, status);
+#else
+        fprintf(stderr, "--ucadata was used with UCONFIG_NO_COLLATION\n");
+        return status;
+#endif
+    }
+
+    initParser();
+
+    /*added by Jing*/
+    if(options[LANGUAGE].doesOccur) {
+        language = options[LANGUAGE].value;
+    }
+
+    LocalPointer<SRBRoot> newPoolBundle;
+    if(options[WRITE_POOL_BUNDLE].doesOccur) {
+        newPoolBundle.adoptInsteadAndCheckErrorCode(new SRBRoot(nullptr, true, status), status);
+        if(U_FAILURE(status)) {
+            fprintf(stderr, "unable to create an empty bundle for the pool keys: %s\n", u_errorName(status));
+            return status;
+        } else {
+            const char *poolResName = "pool.res";
+            char *nameWithoutSuffix = static_cast<char *>(uprv_malloc(uprv_strlen(poolResName) + 1));
+            if (nameWithoutSuffix == nullptr) {
+                fprintf(stderr, "out of memory error\n");
+                return U_MEMORY_ALLOCATION_ERROR;
+            }
+            uprv_strcpy(nameWithoutSuffix, poolResName);
+            *uprv_strrchr(nameWithoutSuffix, '.') = 0;
+            newPoolBundle->fLocale = nameWithoutSuffix;
+        }
+    }
+
+    if(options[USE_POOL_BUNDLE].doesOccur) {
+        const char *poolResName = "pool.res";
+        FileStream *poolFile;
+        int32_t poolFileSize;
+        int32_t indexLength;
+        /*
+         * TODO: Consolidate inputDir/filename handling from main() and processFile()
+         * into a common function, and use it here as well.
+         * Try to create toolutil functions for dealing with dir/filenames and
+         * loading ICU data files without udata_open().
+         * Share code with icupkg?
+         * Also, make_res_filename() seems to be unused. Review and remove.
+         */
+        CharString poolFileName;
+        if (options[USE_POOL_BUNDLE].value!=nullptr) {
+            poolFileName.append(options[USE_POOL_BUNDLE].value, status);
+        } else if (inputDir) {
+            poolFileName.append(inputDir, status);
+        }
+        poolFileName.appendPathPart(poolResName, status);
+        if (U_FAILURE(status)) {
+            return status;
+        }
+        poolFile = T_FileStream_open(poolFileName.data(), "rb");
+        if (poolFile == nullptr) {
+            fprintf(stderr, "unable to open pool bundle file %s\n", poolFileName.data());
+            return 1;
+        }
+        poolFileSize = T_FileStream_size(poolFile);
+        if (poolFileSize < 32) {
+            fprintf(stderr, "the pool bundle file %s is too small\n", poolFileName.data());
+            return 1;
+        }
+        poolBundle.fBytes = new uint8_t[(poolFileSize + 15) & ~15];
+        if (poolFileSize > 0 && poolBundle.fBytes == nullptr) {
+            fprintf(stderr, "unable to allocate memory for the pool bundle file %s\n", poolFileName.data());
+            return U_MEMORY_ALLOCATION_ERROR;
+        }
+
+        UDataSwapper *ds;
+        const DataHeader *header;
+        int32_t bytesRead = T_FileStream_read(poolFile, poolBundle.fBytes, poolFileSize);
+        if (bytesRead != poolFileSize) {
+            fprintf(stderr, "unable to read the pool bundle file %s\n", poolFileName.data());
+            return 1;
+        }
+        /*
+         * Swap the pool bundle so that a single checked-in file can be used.
+         * The swapper functions also test that the data looks like
+         * a well-formed .res file.
+         */
+        ds = udata_openSwapperForInputData(poolBundle.fBytes, bytesRead,
+                                           U_IS_BIG_ENDIAN, U_CHARSET_FAMILY, &status);
+        if (U_FAILURE(status)) {
+            fprintf(stderr, "udata_openSwapperForInputData(pool bundle %s) failed: %s\n",
+                    poolFileName.data(), u_errorName(status));
+            return status;
+        }
+        ures_swap(ds, poolBundle.fBytes, bytesRead, poolBundle.fBytes, &status);
+        udata_closeSwapper(ds);
+        if (U_FAILURE(status)) {
+            fprintf(stderr, "ures_swap(pool bundle %s) failed: %s\n",
+                    poolFileName.data(), u_errorName(status));
+            return status;
+        }
+        header = (const DataHeader *)poolBundle.fBytes;
+        if (header->info.formatVersion[0] < 2) {
+            fprintf(stderr, "invalid format of pool bundle file %s\n", poolFileName.data());
+            return U_INVALID_FORMAT_ERROR;
+        }
+        const int32_t *pRoot = (const int32_t *)(
+                (const char *)header + header->dataHeader.headerSize);
+        poolBundle.fIndexes = pRoot + 1;
+        indexLength = poolBundle.fIndexes[URES_INDEX_LENGTH] & 0xff;
+        if (indexLength <= URES_INDEX_POOL_CHECKSUM) {
+            fprintf(stderr, "insufficient indexes[] in pool bundle file %s\n", poolFileName.data());
+            return U_INVALID_FORMAT_ERROR;
+        }
+        int32_t keysBottom = 1 + indexLength;
+        int32_t keysTop = poolBundle.fIndexes[URES_INDEX_KEYS_TOP];
+        poolBundle.fKeys = (const char *)(pRoot + keysBottom);
+        poolBundle.fKeysLength = (keysTop - keysBottom) * 4;
+        poolBundle.fChecksum = poolBundle.fIndexes[URES_INDEX_POOL_CHECKSUM];
+
+        for (i = 0; i < poolBundle.fKeysLength; ++i) {
+            if (poolBundle.fKeys[i] == 0) {
+                ++poolBundle.fKeysCount;
+            }
+        }
+
+        // 16BitUnits[] begins with strings-v2.
+        // The strings-v2 may optionally be terminated by what looks like
+        // an explicit string length that exceeds the number of remaining 16-bit units.
+        int32_t stringUnitsLength = (poolBundle.fIndexes[URES_INDEX_16BIT_TOP] - keysTop) * 2;
+        if (stringUnitsLength >= 2 && getFormatVersion() >= 3) {
+            poolBundle.fStrings = new PseudoListResource(nullptr, status);
+            if (poolBundle.fStrings == nullptr) {
+                fprintf(stderr, "unable to allocate memory for the pool bundle strings %s\n",
+                        poolFileName.data());
+                return U_MEMORY_ALLOCATION_ERROR;
+            }
+            // The PseudoListResource constructor call did not allocate further memory.
+            assert(U_SUCCESS(status));
+            const char16_t *p = (const char16_t *)(pRoot + keysTop);
+            int32_t remaining = stringUnitsLength;
+            do {
+                int32_t first = *p;
+                int8_t numCharsForLength;
+                int32_t length;
+                if (!U16_IS_TRAIL(first)) {
+                    // NUL-terminated
+                    numCharsForLength = 0;
+                    for (length = 0;
+                         length < remaining && p[length] != 0;
+                         ++length) {}
+                } else if (first < 0xdfef) {
+                    numCharsForLength = 1;
+                    length = first & 0x3ff;
+                } else if (first < 0xdfff && remaining >= 2) {
+                    numCharsForLength = 2;
+                    length = ((first - 0xdfef) << 16) | p[1];
+                } else if (first == 0xdfff && remaining >= 3) {
+                    numCharsForLength = 3;
+                    length = ((int32_t)p[1] << 16) | p[2];
+                } else {
+                    break;  // overrun
+                }
+                // Check for overrun before changing remaining,
+                // so that it is always accurate after the loop body.
+                if ((numCharsForLength + length) >= remaining ||
+                        p[numCharsForLength + length] != 0) {
+                    break;  // overrun or explicitly terminated
+                }
+                int32_t poolStringIndex = stringUnitsLength - remaining;
+                // Maximum pool string index when suffix-sharing the last character.
+                int32_t maxStringIndex = poolStringIndex + numCharsForLength + length - 1;
+                if (maxStringIndex >= RES_MAX_OFFSET) {
+                    // pool string index overrun
+                    break;
+                }
+                p += numCharsForLength;
+                remaining -= numCharsForLength;
+                if (length != 0) {
+                    StringResource *sr =
+                            new StringResource(poolStringIndex, numCharsForLength,
+                                               p, length, status);
+                    if (sr == nullptr) {
+                        fprintf(stderr, "unable to allocate memory for a pool bundle string %s\n",
+                                poolFileName.data());
+                        return U_MEMORY_ALLOCATION_ERROR;
+                    }
+                    poolBundle.fStrings->add(sr);
+                    poolBundle.fStringIndexLimit = maxStringIndex + 1;
+                    // The StringResource constructor did not allocate further memory.
+                    assert(U_SUCCESS(status));
+                }
+                p += length + 1;
+                remaining -= length + 1;
+            } while (remaining > 0);
+            if (poolBundle.fStrings->fCount == 0) {
+                delete poolBundle.fStrings;
+                poolBundle.fStrings = nullptr;
+            }
+        }
+
+        T_FileStream_close(poolFile);
+        setUsePoolBundle(true);
+        if (isVerbose() && poolBundle.fStrings != nullptr) {
+            printf("number of shared strings: %d\n", (int)poolBundle.fStrings->fCount);
+            int32_t length = poolBundle.fStringIndexLimit + 1;  // incl. last NUL
+            printf("16-bit units for strings: %6d = %6d bytes\n",
+                   (int)length, (int)length * 2);
+        }
+    }
+
+    if(!options[FORMAT_VERSION].doesOccur && getFormatVersion() == 3 &&
+            poolBundle.fStrings == nullptr &&
+            !options[WRITE_POOL_BUNDLE].doesOccur) {
+        // If we just default to formatVersion 3
+        // but there are no pool bundle strings to share
+        // and we do not write a pool bundle,
+        // then write formatVersion 2 which is just as good.
+        setFormatVersion(2);
+    }
+
+    if(options[INCLUDE_UNIHAN_COLL].doesOccur) {
+        puts("genrb option --includeUnihanColl ignored: \n"
+                "CLDR 26/ICU 54 unihan data is small, except\n"
+                "the ucadata-unihan.icu version of the collation root data\n"
+                "is about 300kB larger than the ucadata-implicithan.icu version.");
+    }
+
+    if((argc-1)!=1) {
+        printf("genrb number of files: %d\n", argc - 1);
+    }
+    /* generate the binary files */
+    for(i = 1; i < argc; ++i) {
+        status = U_ZERO_ERROR;
+        arg    = getLongPathname(argv[i]);
+
+        CharString theCurrentFileName;
+        if (inputDir) {
+            theCurrentFileName.append(inputDir, status);
+        }
+        theCurrentFileName.appendPathPart(arg, status);
+        if (U_FAILURE(status)) {
+            break;
+        }
+
+        gCurrentFileName = theCurrentFileName.data();
+        if (isVerbose()) {
+            printf("Processing file \"%s\"\n", theCurrentFileName.data());
+        }
+        processFile(arg, encoding, inputDir, outputDir, filterDir, nullptr,
+                    newPoolBundle.getAlias(),
+                    options[NO_BINARY_COLLATION].doesOccur, status);
+    }
+
+    poolBundle.close();
+
+    if(U_SUCCESS(status) && options[WRITE_POOL_BUNDLE].doesOccur) {
+        const char* writePoolDir;
+        if (options[WRITE_POOL_BUNDLE].value!=nullptr) {
+            writePoolDir = options[WRITE_POOL_BUNDLE].value;
+        } else {
+            writePoolDir = outputDir;
+        }
+        char outputFileName[256];
+        newPoolBundle->write(writePoolDir, nullptr, outputFileName, sizeof(outputFileName), status);
+        if(U_FAILURE(status)) {
+            fprintf(stderr, "unable to write the pool bundle: %s\n", u_errorName(status));
+        }
+    }
+
+    u_cleanup();
+
+    /* Don't return warnings as a failure */
+    if (U_SUCCESS(status)) {
+        return 0;
+    }
+
+    return status;
+}
+
+/* Process a file */
+void
+processFile(const char *filename, const char *cp,
+            const char *inputDir, const char *outputDir, const char *filterDir,
+            const char *packageName,
+            SRBRoot *newPoolBundle,
+            UBool omitBinaryCollation, UErrorCode &status) {
+    LocalPointer<SRBRoot> data;
+    LocalUCHARBUFPointer ucbuf;
+    CharString openFileName;
+    CharString inputDirBuf;
+
+    char outputFileName[256];
+    int32_t dirlen  = 0;
+
+    if (U_FAILURE(status)) {
+        return;
+    }
+    if(filename==nullptr){
+        status=U_ILLEGAL_ARGUMENT_ERROR;
+        return;
+    }
+
+    if(inputDir == nullptr) {
+        const char *filenameBegin = uprv_strrchr(filename, U_FILE_SEP_CHAR);
+        if (filenameBegin != nullptr) {
+            /*
+             * When a filename ../../../data/root.txt is specified,
+             * we presume that the input directory is ../../../data
+             * This is very important when the resource file includes
+             * another file, like UCARules.txt or thaidict.brk.
+             */
+            int32_t filenameSize = (int32_t)(filenameBegin - filename + 1);
+            inputDirBuf.append(filename, filenameSize, status);
+
+            inputDir = inputDirBuf.data();
+            dirlen  = inputDirBuf.length();
+        }
+    }else{
+        dirlen  = (int32_t)uprv_strlen(inputDir);
+
+        if(inputDir[dirlen-1] != U_FILE_SEP_CHAR) {
+            /*
+             * append the input dir to openFileName if the first char in
+             * filename is not file separation char and the last char input directory is  not '.'.
+             * This is to support :
+             * genrb -s. /home/icu/data
+             * genrb -s. icu/data
+             * The user cannot mix notations like
+             * genrb -s. /icu/data --- the absolute path specified. -s redundant
+             * user should use
+             * genrb -s. icu/data  --- start from CWD and look in icu/data dir
+             */
+            if( (filename[0] != U_FILE_SEP_CHAR) && (inputDir[dirlen-1] !='.')){
+                openFileName.append(inputDir, status);
+            }
+        } else {
+            openFileName.append(inputDir, status);
+        }
+    }
+    openFileName.appendPathPart(filename, status);
+
+    // Test for CharString failure
+    if (U_FAILURE(status)) {
+        return;
+    }
+
+    ucbuf.adoptInstead(ucbuf_open(openFileName.data(), &cp,getShowWarning(),true, &status));
+    if(status == U_FILE_ACCESS_ERROR) {
+
+        fprintf(stderr, "couldn't open file %s\n", openFileName.data());
+        return;
+    }
+    if (ucbuf.isNull() || U_FAILURE(status)) {
+        fprintf(stderr, "An error occurred processing file %s. Error: %s\n",
+                openFileName.data(), u_errorName(status));
+        return;
+    }
+    /* auto detected popular encodings? */
+    if (cp!=nullptr && isVerbose()) {
+        printf("autodetected encoding %s\n", cp);
+    }
+    /* Parse the data into an SRBRoot */
+    data.adoptInstead(parse(ucbuf.getAlias(), inputDir, outputDir, filename,
+            !omitBinaryCollation, options[NO_COLLATION_RULES].doesOccur, options[ICU4X_MODE].doesOccur, &status));
+
+    if (data.isNull() || U_FAILURE(status)) {
+        fprintf(stderr, "couldn't parse the file %s. Error:%s\n", filename, u_errorName(status));
+        return;
+    }
+
+    // Run filtering before writing pool bundle
+    if (filterDir != nullptr) {
+        CharString filterFileName(filterDir, status);
+        filterFileName.appendPathPart(filename, status);
+        if (U_FAILURE(status)) {
+            return;
+        }
+
+        // Open the file and read it into filter
+        SimpleRuleBasedPathFilter filter;
+        std::ifstream f(filterFileName.data());
+        if (f.fail()) {
+            std::cerr << "genrb error: unable to open " << filterFileName.data() << std::endl;
+            status = U_FILE_ACCESS_ERROR;
+            return;
+        }
+        std::string currentLine;
+        while (std::getline(f, currentLine)) {
+            // Ignore # comments and empty lines
+            if (currentLine.empty() || currentLine[0] == '#') {
+                continue;
+            }
+            filter.addRule(currentLine, status);
+            if (U_FAILURE(status)) {
+                return;
+            }
+        }
+
+        if (isVerbose()) {
+            filter.print(std::cout);
+        }
+
+        // Apply the filter to the data
+        ResKeyPath path;
+        data->fRoot->applyFilter(filter, path, data.getAlias());
+    }
+
+    if(options[WRITE_POOL_BUNDLE].doesOccur) {
+        data->fWritePoolBundle = newPoolBundle;
+        data->compactKeys(status);
+        int32_t newKeysLength;
+        const char *newKeys = data->getKeyBytes(&newKeysLength);
+        newPoolBundle->addKeyBytes(newKeys, newKeysLength, status);
+        if(U_FAILURE(status)) {
+            fprintf(stderr, "bundle_compactKeys(%s) or bundle_getKeyBytes() failed: %s\n",
+                    filename, u_errorName(status));
+            return;
+        }
+        /* count the number of just-added key strings */
+        for(const char *newKeysLimit = newKeys + newKeysLength; newKeys < newKeysLimit; ++newKeys) {
+            if(*newKeys == 0) {
+                ++newPoolBundle->fKeysCount;
+            }
+        }
+    }
+
+    if(options[USE_POOL_BUNDLE].doesOccur) {
+        data->fUsePoolBundle = &poolBundle;
+    }
+
+    /* Determine the target rb filename */
+    uprv_free(make_res_filename(filename, outputDir, packageName, status));
+    if(U_FAILURE(status)) {
+        fprintf(stderr, "couldn't make the res fileName for  bundle %s. Error:%s\n",
+                filename, u_errorName(status));
+        return;
+    }
+    if(write_java== true){
+        bundle_write_java(data.getAlias(), outputDir, outputEnc,
+                          outputFileName, sizeof(outputFileName),
+                          options[JAVA_PACKAGE].value, options[BUNDLE_NAME].value, &status);
+    }else if(write_xliff ==true){
+        bundle_write_xml(data.getAlias(), outputDir, outputEnc,
+                         filename, outputFileName, sizeof(outputFileName),
+                         language, xliffOutputFileName, &status);
+    }else{
+        /* Write the data to the file */
+        data->write(outputDir, packageName, outputFileName, sizeof(outputFileName), status);
+    }
+    if (U_FAILURE(status)) {
+        fprintf(stderr, "couldn't write bundle %s. Error:%s\n", outputFileName, u_errorName(status));
+    }
+}
+
+/* Generate the target .res file name from the input file name */
+static char*
+make_res_filename(const char *filename,
+                  const char *outputDir,
+                  const char *packageName,
+                  UErrorCode &status) {
+    char *basename;
+    char *dirname;
+    char *resName;
+
+    int32_t pkgLen = 0; /* length of package prefix */
+
+
+    if (U_FAILURE(status)) {
+        return 0;
+    }
+
+    if(packageName != nullptr)
+    {
+        pkgLen = (int32_t)(1 + uprv_strlen(packageName));
+    }
+
+    /* setup */
+    basename = dirname = resName = 0;
+
+    /* determine basename, and compiled file names */
+    basename = (char*) uprv_malloc(sizeof(char) * (uprv_strlen(filename) + 1));
+    if(basename == 0) {
+        status = U_MEMORY_ALLOCATION_ERROR;
+        goto finish;
+    }
+
+    get_basename(basename, filename);
+
+    dirname = (char*) uprv_malloc(sizeof(char) * (uprv_strlen(filename) + 1));
+    if(dirname == 0) {
+        status = U_MEMORY_ALLOCATION_ERROR;
+        goto finish;
+    }
+
+    get_dirname(dirname, filename);
+
+    if (outputDir == nullptr) {
+        /* output in same dir as .txt */
+        resName = (char*) uprv_malloc(sizeof(char) * (uprv_strlen(dirname)
+                                      + pkgLen
+                                      + uprv_strlen(basename)
+                                      + uprv_strlen(RES_SUFFIX) + 8));
+        if(resName == 0) {
+            status = U_MEMORY_ALLOCATION_ERROR;
+            goto finish;
+        }
+
+        uprv_strcpy(resName, dirname);
+
+        if(packageName != nullptr)
+        {
+            uprv_strcat(resName, packageName);
+            uprv_strcat(resName, "_");
+        }
+
+        uprv_strcat(resName, basename);
+
+    } else {
+        int32_t dirlen      = (int32_t)uprv_strlen(outputDir);
+        int32_t basenamelen = (int32_t)uprv_strlen(basename);
+
+        resName = (char*) uprv_malloc(sizeof(char) * (dirlen + pkgLen + basenamelen + 8));
+
+        if (resName == nullptr) {
+            status = U_MEMORY_ALLOCATION_ERROR;
+            goto finish;
+        }
+
+        uprv_strcpy(resName, outputDir);
+
+        if(outputDir[dirlen] != U_FILE_SEP_CHAR) {
+            resName[dirlen]     = U_FILE_SEP_CHAR;
+            resName[dirlen + 1] = '\0';
+        }
+
+        if(packageName != nullptr)
+        {
+            uprv_strcat(resName, packageName);
+            uprv_strcat(resName, "_");
+        }
+
+        uprv_strcat(resName, basename);
+    }
+
+finish:
+    uprv_free(basename);
+    uprv_free(dirname);
+
+    return resName;
+}
+
+/*
+ * Local Variables:
+ * indent-tabs-mode: nil
+ * End:
+ */