i18npool/source/collator/gencoll_rule.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/config.h>
  21
  22 #include <memory>
  23 #include <vector>
  24 #include <stdio.h>
  25 #include <string.h>
  26 #include <stdlib.h>
  27 #include <errno.h>
  28 #include <sal/main.h>
  29 #include <sal/types.h>
  30 #include <rtl/ustrbuf.hxx>
  31
  32 #include <unicode/tblcoll.h>
  33
  34 /* Main Procedure */
  35
  36 static void data_write(char* file, char* name, sal_uInt8 *data, sal_Int32 len)
  37 {
  38     FILE *fp = fopen(file, "wb");
  39     if (fp == nullptr) {
  40         fprintf(stderr, "Opening %s for writing failed: %s\n", file, strerror(errno));
  41         exit(1);
  42     }
  43
  44     fprintf(fp, "/*\n");
  45     fprintf(fp, " * Copyright(c) 1999 - 2000, Sun Microsystems, Inc.\n");
  46     fprintf(fp, " * All Rights Reserved.\n");
  47     fprintf(fp, " */\n\n");
  48     fprintf(fp, "/* !!!The file is generated automatically. DONOT edit the file manually!!! */\n\n");
  49     fprintf(fp, "#include <sal/types.h>\n");
  50     fprintf(fp, "\nextern \"C\" {\n");
  51
  52     // generate main dict. data array
  53     fprintf(fp, "\nstatic const sal_uInt8 %s[] = {", name);
  54
  55     sal_Int32 count = 0;
  56     for (sal_Int32 i = 0; i < len; i++) {
  57
  58         if (count++ % 16 == 0)
  59             fprintf(fp, "\n\t");
  60
  61         fprintf(fp, "0x%04x, ", data[i]);
  62     }
  63     fprintf(fp, "\n};\n\n");
  64
  65     fprintf(fp, "#ifndef DISABLE_DYNLOADING\n");
  66     fprintf(fp, "SAL_DLLPUBLIC_EXPORT const sal_uInt8* get_%s() { return %s; }\n", name, name);
  67     fprintf(fp, "SAL_DLLPUBLIC_EXPORT size_t get_%s_length() { return sizeof(%s); }\n", name, name);
  68     fprintf(fp, "#else\n");
  69     fprintf(fp, "SAL_DLLPUBLIC_EXPORT const sal_uInt8* get_collator_data_%s() { return %s; }\n", name, name);
  70     fprintf(fp, "SAL_DLLPUBLIC_EXPORT size_t get_collator_data_%s_length() { return sizeof(%s); }\n", name, name);
  71     fprintf(fp, "#endif\n");
  72     fprintf(fp, "\n");
  73     fprintf (fp, "}\n");
  74
  75     fclose(fp);
  76
  77 }
  78
  79 SAL_IMPLEMENT_MAIN_WITH_ARGS(argc, argv)
  80 {
  81     FILE *fp;
  82
  83     if (argc < 4) exit(-1);
  84
  85     fp = fopen(argv[1], "rb");  // open the source file for read;
  86     if (fp == nullptr){
  87         fprintf(stderr, "Opening the rule source file %s for reading failed: %s\n", argv[1], strerror(errno));
  88         exit(1);
  89     }
  90
  91     sal_Char str[1024];
  92     OUStringBuffer Obuf;
  93     while (fgets(str, 1024, fp)) {
  94         // don't convert last new line character to Ostr.
  95         sal_Int32 len = strlen(str) - 1;
  96         // skip comment line
  97         if (len == 0 || str[0] == '#')
  98             continue;
  99
 100         // input file is in UTF-8 encoding
 101         OUString Ostr = OUString(str, len, RTL_TEXTENCODING_UTF8).trim();
 102
 103         len = Ostr.getLength();
 104         if (len == 0)
 105             continue; // skip empty line.
 106
 107         Obuf.append(Ostr);
 108     }
 109     fclose(fp);
 110
 111     UErrorCode status = U_ZERO_ERROR;
 112     //UParseError parseError;
 113     //UCollator *coll = ucol_openRules(Obuf.getStr(), Obuf.getLength(), UCOL_OFF,
 114     //        UCOL_DEFAULT_STRENGTH, &parseError, &status);
 115
 116     auto coll = std::make_unique<icu::RuleBasedCollator>(reinterpret_cast<const UChar *>(Obuf.getStr()), status);
 117
 118     if (U_SUCCESS(status)) {
 119         std::vector<uint8_t> data;
 120         int32_t len = coll->cloneBinary(nullptr, 0, status);
 121         if (status == U_BUFFER_OVERFLOW_ERROR) {
 122             data.resize(len);
 123             status = U_ZERO_ERROR;
 124             len = coll->cloneBinary(data.data(), len, status);
 125         }
 126         if (U_SUCCESS(status))
 127             data_write(argv[2], argv[3], data.data(), len);
 128         else {
 129             printf("Could not get rule data from collator\n");
 130         }
 131     } else {
 132         printf("\nRule parsing error\n");
 133     }
 134
 135     return U_SUCCESS(status) ? 0 : 1;
 136 }   // End of main
 137
 138 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */