1 files changed, 142 insertions, 0 deletions
diff --git a/i18npool/source/collator/gencoll_rule.cxx b/i18npool/source/collator/gencoll_rule.cxx
new file mode 100644
index 000000000..2d55e0c89
--- /dev/null
+++ b/i18npool/source/collator/gencoll_rule.cxx
@@ -0,0 +1,142 @@
+/* -*- 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 <sal/config.h>
+
+#include <memory>
+#include <vector>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <sal/main.h>
+#include <sal/types.h>
+#include <rtl/ustrbuf.hxx>
+
+#include <unicode/tblcoll.h>
+
+/* Main Procedure */
+
+static void data_write(char* file, char* name, sal_uInt8 *data, sal_Int32 len)
+{
+    FILE *fp = fopen(file, "wb");
+    if (fp == nullptr) {
+        fprintf(stderr, "Opening %s for writing failed: %s\n", file, strerror(errno));
+        exit(1);
+    }
+
+    fprintf(fp, "/*\n");
+    fprintf(fp, " * Copyright(c) 1999 - 2000, 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");
+
+    // generate main dict. data array
+    fprintf(fp, "\nalignas(4) static const sal_uInt8 %s[] = {", name);
+
+    sal_Int32 count = 0;
+    for (sal_Int32 i = 0; i < len; i++) {
+
+        if (count++ % 16 == 0)
+            fprintf(fp, "\n\t");
+
+        fprintf(fp, "0x%04x, ", data[i]);
+    }
+    fprintf(fp, "\n};\n\n");
+
+    fprintf(fp, "#ifndef DISABLE_DYNLOADING\n");
+    fprintf(fp, "SAL_DLLPUBLIC_EXPORT const sal_uInt8* get_%s() { return %s; }\n", name, name);
+    fprintf(fp, "SAL_DLLPUBLIC_EXPORT size_t get_%s_length() { return sizeof(%s); }\n", name, name);
+    fprintf(fp, "#else\n");
+    fprintf(fp, "SAL_DLLPUBLIC_EXPORT const sal_uInt8* get_collator_data_%s() { return %s; }\n", name, name);
+    fprintf(fp, "SAL_DLLPUBLIC_EXPORT size_t get_collator_data_%s_length() { return sizeof(%s); }\n", name, name);
+    fprintf(fp, "#endif\n");
+    fprintf(fp, "\n");
+    fprintf (fp, "}\n");
+
+    fclose(fp);
+
+}
+
+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);
+    }
+
+    fseek(fp, 0, SEEK_END);
+    int fileSize = ftell(fp);
+    rewind(fp);
+
+    char str[1024];
+    OUStringBuffer Obuf(fileSize);
+    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 = OUString(str, len, RTL_TEXTENCODING_UTF8).trim();
+
+        len = Ostr.getLength();
+        if (len == 0)
+            continue; // skip empty line.
+
+        Obuf.append(Ostr);
+    }
+    fclose(fp);
+
+    UErrorCode status = U_ZERO_ERROR;
+    //UParseError parseError;
+    //UCollator *coll = ucol_openRules(Obuf.getStr(), Obuf.getLength(), UCOL_OFF,
+    //        UCOL_DEFAULT_STRENGTH, &parseError, &status);
+
+    auto coll = std::make_unique<icu::RuleBasedCollator>(reinterpret_cast<const UChar *>(Obuf.getStr()), status);
+
+    if (U_SUCCESS(status)) {
+        std::vector<uint8_t> data;
+        int32_t len = coll->cloneBinary(nullptr, 0, status);
+        if (status == U_BUFFER_OVERFLOW_ERROR) {
+            data.resize(len);
+            status = U_ZERO_ERROR;
+            len = coll->cloneBinary(data.data(), len, status);
+        }
+        if (U_SUCCESS(status))
+            data_write(argv[2], argv[3], data.data(), len);
+        else {
+            printf("Could not get rule data from collator\n");
+        }
+    } else {
+        printf("\nRule parsing error\n");
+    }
+
+    return U_SUCCESS(status) ? 0 : 1;
+}   // End of main
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */