i18npool/source/indexentry/genindex_data.cxx

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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   5  * Copyright 2008 by Sun Microsystems, Inc.
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   9  * $RCSfile: genindex_data.cxx,v $
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  21  * GNU Lesser General Public License version 3 for more details
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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_i18npool.hxx"
  33
  34 #include <stdio.h>
  35 #include <string.h>
  36 #include <stdlib.h>
  37 #include <sal/main.h>
  38 #include <sal/types.h>
  39 #include <rtl/ustring.hxx>
  40
  41 #define MAX_ADDRESS 0x30000
  42 #define MAX_INDEX MAX_ADDRESS/0x100
  43
  44 using namespace ::rtl;
  45
  46 /* Main Procedure */
  47
  48 SAL_IMPLEMENT_MAIN_WITH_ARGS(argc, argv)
  49 {
  50     FILE *fp;
  51
  52     if (argc < 4) exit(-1);
  53
  54     fp = fopen(argv[1], "rb");  // open the source file for read;
  55     if (fp == NULL) {
  56         printf("Open the rule source file failed.");
  57         return 1;
  58     }
  59
  60
  61     sal_Int32 i, j, k;
  62     sal_Int32 address[MAX_ADDRESS];
  63     for (i=0; i<MAX_ADDRESS; i++) address[i]=-1;
  64     OUString sep=OUString(sal_Unicode('|'));
  65     OUString result=sep;
  66     sal_Int32 max=0;
  67
  68     sal_Char str[1024];
  69     while (fgets(str, 1024, fp)) {
  70         // don't convert last new line character to Ostr.
  71         sal_Int32 len = strlen(str) - 1;
  72         // skip comment line
  73         if (len == 0 || str[0] == '#')
  74             continue;
  75
  76         // input file is in UTF-8 encoding
  77         OUString Ostr = OUString((const sal_Char *)str, len, RTL_TEXTENCODING_UTF8);
  78         len = Ostr.getLength();
  79         if (len == 0)
  80             continue; // skip empty line.
  81
  82         sal_Int32 nPos=0;
  83         sal_uInt32 nChar = Ostr.iterateCodePoints(&nPos, 2);
  84         if (nChar > MAX_ADDRESS) {
  85             printf("Code point 0x%lx exceeds MAX_ADDRESS 0x%x, Please increase MAX_ADDRESS", static_cast<long unsigned int>(nChar), MAX_ADDRESS);
  86             exit(1);
  87         }
  88         OUString key=Ostr.copy(nPos)+sep;
  89         sal_Int32 idx = result.indexOf(key);
  90         if (key.getLength() > max) max=key.getLength();
  91         if (idx >= 0) {
  92             address[nChar]=idx;
  93         } else {
  94             address[nChar]=result.getLength();
  95             result+=key;
  96         }
  97     }
  98     fclose(fp);
  99
 100     fp = fopen(argv[2], "wb");
 101     if (fp == NULL) {
 102         printf("Can't create the C source file.");
 103         return 1;
 104     }
 105
 106     fprintf(fp, "/*\n");
 107     fprintf(fp, " * Copyright(c) 1999 - 2006, Sun Microsystems, Inc.\n");
 108     fprintf(fp, " * All Rights Reserved.\n");
 109     fprintf(fp, " */\n\n");
 110     fprintf(fp, "/* !!!The file is generated automatically. DONOT edit the file manually!!! */\n\n");
 111     fprintf(fp, "#include <sal/types.h>\n");
 112     fprintf(fp, "\nextern \"C\" {\n");
 113
 114     sal_Int32 index[MAX_INDEX];
 115     sal_Int32 max_index=0;
 116     for (i=k=0; i<MAX_INDEX; i++) {
 117         index[i] = 0xFFFF;
 118         for (j=0; j<0x100; j++) {
 119             if (address[i*0x100+j] >=0) {
 120                 max_index=i;
 121                 index[i]=0x100*k++;
 122                 break;
 123             }
 124         }
 125     }
 126
 127     fprintf(fp, "\nstatic const sal_uInt16 idx1[] = {");
 128     for (i = k = 0; i <= max_index;  i++) {
 129         if (k++ % 16 == 0) fprintf(fp, "\n\t");
 130         fprintf(
 131             fp, "0x%04lx, ", sal::static_int_cast< unsigned long >(index[i]));
 132     }
 133     fprintf(fp, "\n};\n\n");
 134
 135     sal_Int32 len=result.getLength();
 136     const sal_Unicode *ustr=result.getStr();
 137     fprintf(fp, "\nstatic const sal_uInt16 idx2[] = {");
 138     for (i = k = 0; i <= max_index; i++) {
 139         if (index[i] != 0xFFFF) {
 140             for (j = 0; j<0x100; j++) {
 141                 if (k++ % 16 == 0) fprintf(fp, "\n\t");
 142                 sal_Int32 ad=address[i*0x100+j];
 143                 fprintf(
 144                     fp, "0x%04lx, ",
 145                     sal::static_int_cast< unsigned long >(
 146                         ad == -1 ? 0 : max == 2 ? ustr[ad] : ad));
 147             }
 148             fprintf(fp, "\n\t");
 149         }
 150     }
 151     fprintf(fp, "\n};\n\n");
 152
 153     if (max == 2) {
 154         fprintf(fp, "\nstatic const sal_uInt16 *idx3 = NULL;\n\n");
 155     } else {
 156         fprintf(fp, "\nstatic const sal_uInt16 idx3[] = {");
 157         for (i = k = 0; i < len;  i++) {
 158             if (k++ % 16 == 0) fprintf(fp, "\n\t");
 159             fprintf(fp, "0x%04x, ", (sep.toChar() == ustr[i]) ? 0 : ustr[i]);
 160         }
 161         fprintf(fp, "\n};\n\n");
 162     }
 163
 164     fprintf(fp, "const sal_uInt16** get_%s(sal_Int16 &max_index)\n{\n\tstatic const sal_uInt16 *idx[]={idx1, idx2, idx3};\n\tmax_index=0x%x;\n\treturn idx;\n}\n\n", argv[3], static_cast<unsigned int>(max_index));
 165     fprintf (fp, "}\n");
 166
 167     fclose(fp);
 168     return 0;
 169 }       // End of main