firebird/src/common/TextType.h at v5.0.2 · FirebirdSQL/firebird · GitHub

Name: firebird/src/common/TextType.h at v5.0.2 · FirebirdSQL/firebird · GitHub
Rating: 4.7 (7025 reviews)
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/*
 * PROGRAM: JRD International support
 * MODULE: TextType.h
 * DESCRIPTION: International text handling definitions
 *
 * The contents of this file are subject to the Initial
 * Developer's Public License Version 1.0 (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.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
 *
 * Software distributed under the License is distributed AS IS,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied.
 * See the License for the specific language governing rights
 * and limitations under the License.
 *
 * The Original Code was created by Nickolay Samofatov
 * for the Firebird Open Source RDBMS project.
 *
 * Copyright (c) 2004 Nickolay Samofatov <nickolay@broadviewsoftware.com>
 * and all contributors signed below.
 *
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
 *
 * 2006.10.10 Adriano dos Santos Fernandes - refactored from intl_classes.h
 *
*/

#ifndef JRD_TEXTTYPE_H
#defineJRD_TEXTTYPE_H

#include"../common/classes/MetaString.h"

structtexttype;

namespaceJrd {

classCharSet;

classTextType
{
public:
TextType(TTYPE_ID _type, texttype* _tt, USHORT _attributes, CharSet* _cs);

private:
TextType(const TextType&); // Not implemented

public:
virtual~TextType() {}

 USHORT key_length(USHORT len);

 USHORT string_to_key(USHORT srcLen,
const UCHAR* src,
 USHORT dstLen,
 UCHAR* dst,
 USHORT key_type);

 SSHORT compare(ULONG len1,
const UCHAR* str1,
 ULONG len2,
const UCHAR* str2);

 ULONG str_to_upper(ULONG srcLen,
const UCHAR* src,
 ULONG dstLen,
 UCHAR* dst);

 ULONG str_to_lower(ULONG srcLen,
const UCHAR* src,
 ULONG dstLen,
 UCHAR* dst);

 ULONG canonical(ULONG srcLen,
const UCHAR* src,
 ULONG dstLen,
 UCHAR* dst);

 USHORT getType() const
 {
return type;
 }

 USHORT getAttributes() const
 {
return attributes;
 }

 CharSet* getCharSet() const
 {
return cs;
 }

 BYTE getCanonicalWidth() const;
 USHORT getFlags() const;

public:
 Firebird::MetaString name;

protected:
 texttype* tt;
 CharSet* cs;

private:
 TTYPE_ID type;
 USHORT attributes;

public:
enum
 {
 CHAR_ASTERISK = 0,
 CHAR_AT,
 CHAR_CIRCUMFLEX,
 CHAR_COLON,
 CHAR_COMMA,
 CHAR_EQUAL,
 CHAR_MINUS,
 CHAR_PERCENT,
 CHAR_PLUS,
 CHAR_QUESTION_MARK,
 CHAR_SPACE,
 CHAR_TILDE,
 CHAR_UNDERLINE,
 CHAR_VERTICAL_BAR,
 CHAR_DOUBLE_QUOTE,
 CHAR_OPEN_BRACE,
 CHAR_CLOSE_BRACE,
 CHAR_OPEN_BRACKET,
 CHAR_CLOSE_BRACKET,
 CHAR_OPEN_PAREN,
 CHAR_CLOSE_PAREN,
 CHAR_LOWER_S,
 CHAR_UPPER_S,
 CHAR_COUNT, // last

// aliases
 CHAR_SQL_MATCH_ANY = CHAR_PERCENT,
 CHAR_SQL_MATCH_ONE = CHAR_UNDERLINE
 };

const UCHAR* getCanonicalChar(unsignedint ch) const
 {
returnreinterpret_cast<const UCHAR*>(&canonicalChars[ch]);
 }

private:
 ULONG canonicalChars[CHAR_COUNT];
};

} // namespace Jrd


#endif// JRD_TEXTTYPE_H