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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /connectivity/source/inc/file/FStringFunctions.hxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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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 .
+ */
+
+#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):
+
+ > SELECT LCASE('QUADRATICALLY');
+ -> 'quadratically'
+
+ */
+ 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:
+
+ > SELECT ASCII('2');
+ -> 50
+ > SELECT ASCII(2);
+ -> 50
+ > SELECT ASCII('dx');
+ -> 100
+
+ */
+ class OOp_Ascii : public OUnaryOperator
+ {
+ protected:
+ virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
+ };
+
+ /** LENGTH(str)
+ OCTET_LENGTH(str)
+ CHAR_LENGTH(str)
+ CHARACTER_LENGTH(str)
+ Returns the length of the string str:
+
+ > SELECT LENGTH('text');
+ -> 4
+ > SELECT OCTET_LENGTH('text');
+ -> 4
+
+ */
+ 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:
+
+ > SELECT CHAR(ascii('t'),ascii('e'),ascii('s'),ascii('t'));
+ -> 'test'
+ > SELECT CHAR(77,77.3,'77.3');
+ -> 'MMM'
+
+ */
+ 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:
+
+ > SELECT CONCAT('OO', 'o', 'OO');
+ -> 'OOoOO'
+ > SELECT CONCAT('OO', NULL, 'OO');
+ -> NULL
+ > SELECT CONCAT(14.3);
+ -> '14.3'
+
+ */
+ 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:
+
+ > SELECT SUBSTRING('Quadratically',5,6);
+ -> 'ratica'
+
+ */
+ class OOp_SubString : public ONthOperator
+ {
+ protected:
+ virtual ORowSetValue operate(const std::vector<ORowSetValue>& lhs) const override;
+ };
+
+ /** LTRIM(str)
+ Returns the string str with leading space characters removed:
+
+ > SELECT LTRIM(' barbar');
+ -> 'barbar'
+
+ */
+ class OOp_LTrim : public OUnaryOperator
+ {
+ protected:
+ virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
+ };
+
+ /** RTRIM(str)
+ Returns the string str with trailing space characters removed:
+
+ > SELECT RTRIM('barbar ');
+ -> 'barbar'
+
+ */
+ class OOp_RTrim : public OUnaryOperator
+ {
+ protected:
+ virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
+ };
+
+ /** SPACE(N)
+ Returns a string consisting of N space characters:
+
+ > SELECT SPACE(6);
+ -> ' '
+
+ */
+ class OOp_Space : public OUnaryOperator
+ {
+ protected:
+ virtual ORowSetValue operate(const ORowSetValue& lhs) const override;
+ };
+
+ /** REPLACE(str,from_str,to_str)
+ Returns the string str with all occurrences of the string from_str replaced by the string to_str:
+
+ > SELECT REPLACE('www.OOo.com', 'w', 'Ww');
+ -> 'WwWwWw.OOo.com'
+
+ */
+ 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:
+
+ > SELECT INSERT('Quadratic', 3, 4, 'What');
+ -> 'QuWhattic'
+
+ */
+ class OOp_Insert : public ONthOperator
+ {
+ protected:
+ virtual ORowSetValue operate(const std::vector<ORowSetValue>& lhs) const override;
+ };
+
+ /** LEFT(str,len)
+ Returns the leftmost len characters from the string str:
+
+ > SELECT LEFT('foobarbar', 5);
+ -> 'fooba'
+
+ */
+ class OOp_Left : public OBinaryOperator
+ {
+ protected:
+ virtual ORowSetValue operate(const ORowSetValue& lhs,const ORowSetValue& rhs) const override;
+ };
+
+ /** RIGHT(str,len)
+ Returns the rightmost len characters from the string str:
+
+ > SELECT RIGHT('foobarbar', 4);
+ -> 'rbar'
+ */
+ class OOp_Right : public OBinaryOperator
+ {
+ protected:
+ virtual ORowSetValue operate(const ORowSetValue& lhs,const ORowSetValue& rhs) const override;
+ };
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */