summaryrefslogtreecommitdiff
path: root/i18npool/source/indexentry/genindex_data.cxx
blob: d5bad8b18defb4a5c9943db072fe2feab0a94b9e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */


#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <sal/main.h>
#include <sal/types.h>
#include <rtl/ustring.hxx>
#include <rtl/ustrbuf.hxx>

#define MAX_ADDRESS 0x30000
#define MAX_INDEX MAX_ADDRESS/0x100

/* Main Procedure */

SAL_IMPLEMENT_MAIN_WITH_ARGS(argc, argv)
{
    FILE *fp;

    if (argc < 4) exit(-1);

    fp = fopen(argv[1], "rb");  // open the source file for read;
    if (fp == nullptr) {
        fprintf(stderr, "Opening the rule source file %s for reading failed: %s\n", argv[1], strerror(errno));
        exit(1);
    }


    sal_Int32 i, j, k;
    sal_Int32 address[MAX_ADDRESS];
    for (i=0; i<MAX_ADDRESS; i++) address[i]=-1;
    OUString sep('|');
    OUStringBuffer result=sep;
    sal_Int32 max=0;

    sal_Char str[1024];
    while (fgets(str, 1024, fp)) {
        // don't convert last new line character to Ostr.
        sal_Int32 len = strlen(str) - 1;
        // skip comment line
        if (len == 0 || str[0] == '#')
            continue;

        // input file is in UTF-8 encoding
        OUString Ostr(str, len, RTL_TEXTENCODING_UTF8);
        len = Ostr.getLength();
        if (len == 0)
            continue; // skip empty line.

        sal_Int32 nPos=0;
        sal_uInt32 nChar = Ostr.iterateCodePoints(&nPos, 2);
        if (nChar >= MAX_ADDRESS) {
            printf("Code point 0x%lx exceeds MAX_ADDRESS 0x%x, Please increase MAX_ADDRESS", static_cast<long unsigned int>(nChar), MAX_ADDRESS);
            exit(1);
        }
        OUString key=Ostr.copy(nPos)+sep;
        sal_Int32 idx = result.indexOf(key);
        if (key.getLength() > max) max=key.getLength();
        if (idx >= 0) {
            address[nChar]=idx;
        } else {
            address[nChar]=result.getLength();
            result.append(key);
        }
    }
    fclose(fp);

    fp = fopen(argv[2], "wb");
    if (fp == nullptr) {
        fprintf(stderr, "Opening %s for writing failed: %s\n", argv[2], strerror(errno));
        exit(1);
    }

    fprintf(fp, "/*\n");
    fprintf(fp, " * Copyright(c) 1999 - 2006, Sun Microsystems, Inc.\n");
    fprintf(fp, " * All Rights Reserved.\n");
    fprintf(fp, " */\n\n");
    fprintf(fp, "/* !!!The file is generated automatically. DO NOT edit the file manually!!! */\n\n");
    fprintf(fp, "#include <sal/types.h>\n");
    fprintf(fp, "\nextern \"C\" {\n");

    sal_Int32 index[MAX_INDEX];
    sal_Int32 max_index=0;
    for (i=k=0; i<MAX_INDEX; i++) {
        index[i] = 0xFFFF;
        for (j=0; j<0x100; j++) {
            if (address[i*0x100+j] >=0) {
                max_index=i;
                index[i]=0x100*k++;
                break;
            }
        }
    }

    fprintf(fp, "\nstatic const sal_uInt16 idx1[] = {");
    for (i = k = 0; i <= max_index;  i++) {
        if (k++ % 16 == 0) fprintf(fp, "\n\t");
        fprintf(
            fp, "0x%04lx, ", sal::static_int_cast< unsigned long >(index[i]));
    }
    fprintf(fp, "\n};\n\n");

    sal_Int32 len=result.getLength();
    fprintf(fp, "\nstatic const sal_uInt16 idx2[] = {");
    for (i = k = 0; i <= max_index; i++) {
        if (index[i] != 0xFFFF) {
            for (j = 0; j<0x100; j++) {
                if (k++ % 16 == 0) fprintf(fp, "\n\t");
                sal_Int32 ad=address[i*0x100+j];
                fprintf(
                    fp, "0x%04lx, ",
                    sal::static_int_cast< unsigned long >(
                        ad == -1 ? 0 : max == 2 ? result[ad] : ad));
            }
            fprintf(fp, "\n\t");
        }
    }
    fprintf(fp, "\n};\n\n");

    if (max == 2) {
        fprintf(fp, "\nstatic const sal_uInt16 *idx3 = NULL;\n\n");
    } else {
        fprintf(fp, "\nstatic const sal_uInt16 idx3[] = {");
        for (i = k = 0; i < len;  i++) {
            if (k++ % 16 == 0) fprintf(fp, "\n\t");
            fprintf(fp, "0x%04x, ", (sep.toChar() == result[i]) ? 0 : result[i]);
        }
        fprintf(fp, "\n};\n\n");
    }

    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));
    fprintf (fp, "}\n");

    fclose(fp);
    return 0;
}   // End of main

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */