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/* -*- 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(64*1024);
result.append(sep);
sal_Int32 max=0;
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.subView(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: */
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