/* -*- 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 .
*/
#pragma once
#include <file/fcode.hxx>
namespace connectivity::file
{ /** UCASE(str) UPPER(str) Returns the string str with all characters changed to uppercase according to the current character set mapping (the default is ISO-8859-1 Latin1):
> SELECT UCASE('Hej'); -> 'HEJ'
*/ class OOp_Upper : public OUnaryOperator
{ protected: virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
};
/** LCASE(str) LOWER(str) Returns the string str with all characters changed to lowercase according to the current character set mapping (the default is ISO-8859-1 Latin1):
*/ class OOp_Lower : public OUnaryOperator
{ protected: virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
};
/** ASCII(str) Returns the ASCII code value of the leftmost character of the string str. Returns 0 if str is the empty string. Returns NULL if str is NULL:
*/ class OOp_CharLength : public OUnaryOperator
{ protected: virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
};
/** CHAR(N,...) CHAR() interprets the arguments as integers and returns a string consisting of the characters given by the ASCII code values of those integers. NULL values are skipped:
*/ class OOp_Char : public ONthOperator
{ protected: virtual ORowSetValue operate(const std::vector<ORowSetValue>& lhs) const override;
};
/** CONCAT(str1,str2,...) Returns the string that results from concatenating the arguments. Returns NULL if any argument is NULL. May have more than 2 arguments. A numeric argument is converted to the equivalent string form:
*/ class OOp_Concat : public ONthOperator
{ protected: virtual ORowSetValue operate(const std::vector<ORowSetValue>& lhs) const override;
};
/** LOCATE(substr,str) POSITION(substr IN str) Returns the position of the first occurrence of substring substr in string str. Returns 0 if substr is not in str:
> SELECT LOCATE('bar', 'foobarbar'); -> 4 > SELECT LOCATE('xbar', 'foobar'); -> 0 LOCATE(substr,str,pos) Returns the position of the first occurrence of substring substr in string str, starting at position pos. Returns 0 if substr is not in str:
> SELECT LOCATE('bar', 'foobarbar',5); -> 7
*/ class OOp_Locate : public ONthOperator
{ protected: virtual ORowSetValue operate(const std::vector<ORowSetValue>& lhs) const override;
};
/** SUBSTRING(str,pos) SUBSTRING(str FROM pos) Returns a substring from string str starting at position pos:
> SELECT SUBSTRING('Quadratically',5); -> 'ratically' > SELECT SUBSTRING('foobarbar' FROM 4); -> 'barbar' SUBSTRING(str,pos,len) SUBSTRING(str FROM pos FOR len) Returns a substring len characters long from string str, starting at position pos. The variant form that uses FROM is SQL-92 syntax:
*/ class OOp_Replace : public ONthOperator
{ protected: virtual ORowSetValue operate(const std::vector<ORowSetValue>& lhs) const override;
};
/** REPEAT(str,count) Returns a string consisting of the string str repeated count times. If count <= 0, returns an empty string. Returns NULL if str or count are NULL:
> SELECT REPEAT('OOo', 3); -> 'OOoOOoOOo'
*/ class OOp_Repeat : public OBinaryOperator
{ protected: virtual ORowSetValue operate(const ORowSetValue& lhs,const ORowSetValue& rhs) const override;
};
/** INSERT(str,pos,len,newstr) Returns the string str, with the substring beginning at position pos and len characters long replaced by the string newstr:
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