Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 441 insertions, 0 deletions

diff --git a/svl/source/numbers/zforfind.hxx b/svl/source/numbers/zforfind.hxx
new file mode 100644
index 000000000..7e6ddeb59
--- /dev/null
+++ b/svl/source/numbers/zforfind.hxx
@@ -0,0 +1,441 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_SVL_SOURCE_NUMBERS_ZFORFIND_HXX
+#define INCLUDED_SVL_SOURCE_NUMBERS_ZFORFIND_HXX
+
+#include <com/sun/star/uno/Sequence.hxx>
+#include <rtl/ustring.hxx>
+#include <svl/zforlist.hxx>
+#include <memory>
+
+class Date;
+class SvNumberformat;
+class SvNumberFormatter;
+enum class SvNumFormatType : sal_Int16;
+
+#define SV_MAX_COUNT_INPUT_STRINGS  20    // max count of substrings in input scanner
+
+class ImpSvNumberInputScan
+{
+public:
+    explicit ImpSvNumberInputScan( SvNumberFormatter* pFormatter );
+    ~ImpSvNumberInputScan();
+
+/*!*/   void ChangeIntl();                      // MUST be called if language changes
+
+    /// set reference date for offset calculation
+    void ChangeNullDate( const sal_uInt16 nDay,
+                         const sal_uInt16 nMonth,
+                         const sal_Int16 nYear );
+
+    /// convert input string to number
+    bool IsNumberFormat( const OUString& rString,            /// input string
+                         SvNumFormatType& F_Type,            /// format type (in + out)
+                         double& fOutNumber,                 /// value determined (out)
+                         const SvNumberformat* pFormat,      /// number format to which compare against
+                         SvNumInputOptions eInputOptions);
+
+    /// after IsNumberFormat: get decimal position
+    short   GetDecPos() const { return nDecPos; }
+    /// after IsNumberFormat: get count of numeric substrings in input string
+    sal_uInt16  GetNumericsCount() const { return nNumericsCnt; }
+
+    /// set threshold of two-digit year input
+    void    SetYear2000( sal_uInt16 nVal ) { nYear2000 = nVal; }
+    /// get threshold of two-digit year input
+    sal_uInt16  GetYear2000() const { return nYear2000; }
+
+    /** Whether input can be forced to ISO 8601 format.
+
+        Depends on locale's date separator and a specific date format order.
+     */
+    bool CanForceToIso8601( DateOrder eDateOrder );
+
+    void InvalidateDateAcceptancePatterns();
+
+    /** Whether 'T' separator was detected in an ISO 8601 date+time format.
+     */
+    bool HasIso8601Tsep() const { return bIso8601Tsep; }
+
+private:
+    SvNumberFormatter*  pFormatter;
+    const SvNumberformat* mpFormat;                            //* The format to compare against, if any
+    std::unique_ptr<OUString[]> pUpperMonthText;               //* Array of month names, uppercase
+    std::unique_ptr<OUString[]> pUpperAbbrevMonthText;         //* Array of month names, abbreviated, uppercase
+    std::unique_ptr<OUString[]> pUpperGenitiveMonthText;       //* Array of genitive month names, uppercase
+    std::unique_ptr<OUString[]> pUpperGenitiveAbbrevMonthText; //* Array of genitive month names, abbreviated, uppercase
+    std::unique_ptr<OUString[]> pUpperPartitiveMonthText;      //* Array of partitive month names, uppercase
+    std::unique_ptr<OUString[]> pUpperPartitiveAbbrevMonthText;//* Array of partitive month names, abbreviated, uppercase
+    std::unique_ptr<OUString[]> pUpperDayText;                 //* Array of day of week names, uppercase
+    std::unique_ptr<OUString[]> pUpperAbbrevDayText;           //* Array of day of week names, abbreviated, uppercase
+    OUString  aUpperCurrSymbol;                 //* Currency symbol, uppercase
+    bool    bTextInitialized;                   //* Whether days and months are initialized
+    bool    bScanGenitiveMonths;                //* Whether to scan an input for genitive months
+    bool    bScanPartitiveMonths;               //* Whether to scan an input for partitive months
+    std::unique_ptr<Date> pNullDate;                 //* 30Dec1899
+    // Variables for provisional results:
+    OUString   sStrArray[SV_MAX_COUNT_INPUT_STRINGS];//* Array of scanned substrings
+    bool       IsNum[SV_MAX_COUNT_INPUT_STRINGS];    //* Whether a substring is numeric
+    sal_uInt16 nNums[SV_MAX_COUNT_INPUT_STRINGS];    //* Sequence of offsets to numeric strings
+    sal_uInt16 nStringsCnt;                          //* Total count of scanned substrings
+    sal_uInt16 nNumericsCnt;                         //* Count of numeric substrings
+    bool       bDecSepInDateSeps;                    //* True <=> DecSep in {.,-,/,DateSep}
+    sal_uInt8  nMatchedAllStrings;                   //* Scan...String() matched all substrings,
+
+    // bit mask of nMatched... constants
+    static const sal_uInt8 nMatchedEndString;        // 0x01
+    static const sal_uInt8 nMatchedMidString;        // 0x02
+    static const sal_uInt8 nMatchedStartString;      // 0x04
+    static const sal_uInt8 nMatchedVirgin;           // 0x08
+    static const sal_uInt8 nMatchedUsedAsReturn;     // 0x10
+
+    int    nSign;                               // Sign of number
+    int    nMonth;                              // Month (1..x) if date
+                                                // negative => short format
+    short  nMonthPos;                           // 1 = front, 2 = middle
+                                                // 3 = end
+    int    nDayOfWeek;                          // Temporary (!) day of week (1..7,-1..-7) if date
+    sal_uInt16 nTimePos;                        // Index of first time separator (+1)
+    short  nDecPos;                             // Index of substring containing "," (+1)
+    bool   bNegCheck;                           // '( )' for negative
+    short  nESign;                              // Sign of exponent
+    short  nAmPm;                               // +1 AM, -1 PM, 0 if none
+    short  nLogical;                            // -1 => False, 1 => True
+    bool   mbEraCE;                            // Era if date, 0 => BCE, 1 => CE (currently only Gregorian)
+    sal_uInt16 nThousand;                       // Count of group (AKA thousand) separators
+    sal_uInt16 nPosThousandString;              // Position of concatenated 000,000,000 string
+    SvNumFormatType eScannedType;               // Scanned type
+    SvNumFormatType eSetType;                   // Preset Type
+
+    sal_uInt16 nStringScanNumFor;               // Fixed strings recognized in
+                                                // pFormat->NumFor[nNumForStringScan]
+    short  nStringScanSign;                     // Sign resulting of FixString
+    sal_uInt16 nYear2000;                       // Two-digit threshold
+                                                // Year as 20xx
+                                                // default 18
+                                                // number <= nYear2000 => 20xx
+                                                // number >  nYear2000 => 19xx
+
+    /** State of ISO 8601 detection.
+
+        0:= don't know yet
+        1:= no
+        2:= yes, <=2 digits in year
+        3:= yes,   3 digits in year
+        4:= yes, >=4 digits in year
+
+        @see MayBeIso8601()
+     */
+    sal_uInt8    nMayBeIso8601;
+
+    /** Whether the 'T' time separator was detected in an ISO 8601 string. */
+    bool        bIso8601Tsep;
+
+    /** State of dd-month-yy or yy-month-dd detection, with month name.
+
+        0:= don't know yet
+        1:= no
+        2:= yes, dd-month-yy
+        3:= yes, yy-month-dd
+
+        @see MayBeMonthDate()
+     */
+    sal_uInt8   nMayBeMonthDate;
+
+    /** Input matched this locale dependent date acceptance pattern.
+        -2 if not checked yet, -1 if no match, >=0 matched pattern.
+
+        @see IsAcceptedDatePattern()
+     */
+    sal_Int32   nAcceptedDatePattern;
+    css::uno::Sequence< OUString >  sDateAcceptancePatterns;
+
+    /** If input matched a date acceptance pattern that starts at input
+        particle sStrArray[nDatePatternStart].
+
+        @see IsAcceptedDatePattern()
+     */
+    sal_uInt16  nDatePatternStart;
+
+    /** Count of numbers that matched the accepted pattern, if any, else 0.
+
+        @see GetDatePatternNumbers()
+     */
+    sal_uInt16  nDatePatternNumbers;
+
+    // Copy assignment is forbidden and not implemented.
+    ImpSvNumberInputScan (const ImpSvNumberInputScan &) = delete;
+    ImpSvNumberInputScan & operator= (const ImpSvNumberInputScan &) = delete;
+
+    void Reset();                               // Reset all variables before start of analysis
+
+    void InitText();                            // Init of months and days of week
+
+    // Convert string to double.
+    // Only simple unsigned floating point values without any error detection,
+    // decimal separator has to be '.'
+    // If bForceFraction==true the string is taken to be the fractional part
+    // of 0.1234 without the leading 0. (thus being just "1234").
+    static double StringToDouble( std::u16string_view aStr,
+                                  bool bForceFraction = false );
+
+    // Next number/string symbol
+    static bool NextNumberStringSymbol( const sal_Unicode*& pStr,
+                                        OUString& rSymbol );
+
+    // Concatenate ,000,23 blocks
+    // in input to 000123
+    bool SkipThousands( const sal_Unicode*& pStr, OUString& rSymbol ) const;
+
+    // Divide numbers/strings into
+    // arrays and variables above.
+    // Leading blanks and blanks
+    // after numbers are thrown away
+    void NumberStringDivision( const OUString& rString );
+
+
+    /** Whether rString contains word (!) rWhat at nPos.
+        rWhat will not be matched if it is a substring of a word.
+     */
+    bool StringContainsWord( const OUString& rWhat,
+                             const OUString& rString,
+                             sal_Int32 nPos ) const;
+
+    // optimized substring versions
+
+    // Whether rString contains rWhat at nPos
+    static bool StringContains( const OUString& rWhat,
+                                       const OUString& rString,
+                                       sal_Int32 nPos )
+        {
+            if (rWhat.isEmpty() || rString.getLength() <= nPos)
+            {
+                return false;
+            }
+            // mostly used with one character
+            if ( rWhat[ 0 ] != rString[ nPos ] )
+            {
+                return false;
+            }
+            return StringContainsImpl( rWhat, rString, nPos );
+        }
+
+    // Whether pString contains rWhat at nPos
+    static bool StringPtrContains( const OUString& rWhat,
+                                          const sal_Unicode* pString,
+                                          sal_Int32 nPos ) // nPos MUST be a valid offset from pString
+        {
+            // mostly used with one character
+            if ( rWhat[ 0 ] != pString[ nPos ] )
+            {
+                return false;
+            }
+            return StringPtrContainsImpl( rWhat, pString, nPos );
+        }
+
+    //! DO NOT use directly
+    static bool StringContainsImpl( const OUString& rWhat,
+                                    const OUString& rString,
+                                    sal_Int32 nPos );
+    //! DO NOT use directly
+    static bool StringPtrContainsImpl( const OUString& rWhat,
+                                       const sal_Unicode* pString,
+                                       sal_Int32 nPos );
+
+    // Skip a special character
+    static inline bool SkipChar( sal_Unicode c,
+                                 const OUString& rString,
+                                 sal_Int32& nPos );
+
+    // Skip blank
+    static inline bool SkipBlanks( const OUString& rString,
+                                   sal_Int32& nPos );
+
+    // Jump over rWhat in rString at nPos
+    static inline bool SkipString( const OUString& rWhat,
+                                   const OUString& rString,
+                                   sal_Int32& nPos );
+
+    // Recognizes exactly ,111 as group separator
+    inline bool GetThousandSep( const OUString& rString,
+                                sal_Int32& nPos,
+                                sal_uInt16 nStringPos ) const;
+    // Get boolean value
+    short GetLogical( std::u16string_view rString ) const;
+
+    // Get month and advance string position
+    short GetMonth( const OUString& rString,
+                    sal_Int32& nPos );
+
+    // Get day of week and advance string position
+    int GetDayOfWeek( const OUString& rString,
+                      sal_Int32& nPos );
+
+    // Get currency symbol and advance string position
+    bool GetCurrency( const OUString& rString,
+                      sal_Int32& nPos );
+
+    // Get symbol AM or PM and advance string position
+    bool GetTimeAmPm( const OUString& rString,
+                      sal_Int32& nPos );
+
+    // Get decimal separator and advance string position
+    inline bool GetDecSep( const OUString& rString,
+                           sal_Int32& nPos ) const;
+
+    // Get hundredth seconds separator and advance string position
+    inline bool GetTime100SecSep( const OUString& rString,
+                                  sal_Int32& nPos ) const;
+
+    // Get sign  and advance string position
+    // Including special case '('
+    int GetSign( const OUString& rString,
+                 sal_Int32& nPos );
+
+    // Get sign of exponent and advance string position
+    static short GetESign( const OUString& rString,
+                           sal_Int32& nPos );
+
+    // Get next number as array offset
+    inline bool GetNextNumber( sal_uInt16& i,
+                               sal_uInt16& j ) const;
+
+    /** Converts time -> double (only decimals)
+
+        @return TRUE if time, FALSE if not (e.g. hours >12 with AM/PM)
+     */
+    bool GetTimeRef( double& fOutNumber,                     // result as double
+                     sal_uInt16 nIndex,                      // Index of hour in input
+                     sal_uInt16 nCnt,                        // Count of time substrings in input
+                     SvNumInputOptions eInputOptions ) const;
+    sal_uInt16 ImplGetDay  ( sal_uInt16 nIndex ) const;      // Day input, 0 if no match
+    sal_uInt16 ImplGetMonth( sal_uInt16 nIndex ) const;      // Month input, zero based return, NumberOfMonths if no match
+    sal_uInt16 ImplGetYear ( sal_uInt16 nIndex );   // Year input, 0 if no match
+
+    // Conversion of date to number
+    bool GetDateRef( double& fDays,                          // OUT: days diff to null date
+                     sal_uInt16& nCounter );                 // Count of date substrings
+
+    // Analyze start of string
+    bool ScanStartString( const OUString& rString );
+
+    // Analyze middle substring
+    bool ScanMidString( const OUString& rString,
+                        sal_uInt16 nStringPos );
+
+
+    // Analyze end of string
+    bool ScanEndString( const OUString& rString );
+
+    // Compare rString to substring of array indexed by nString
+    // nString == 0xFFFF => last substring
+    bool ScanStringNumFor( const OUString& rString,
+                           sal_Int32 nPos,
+                           sal_uInt16 nString,
+                           bool bDontDetectNegation = false );
+
+    // if nMatchedAllStrings set nMatchedUsedAsReturn and return true,
+    // else do nothing and return false
+    bool MatchedReturn();
+
+    //! Be sure that the string to be analyzed is already converted to upper
+    //! case and if it contained native number digits that they are already
+    //! converted to ASCII.
+
+    // Main analyzing function
+    bool IsNumberFormatMain( const OUString& rString,
+                             const SvNumberformat* pFormat);    // number format to match against
+
+    /** Whether input matches locale dependent date acceptance pattern.
+
+        @param nStartPatternAt
+               The pattern matching starts at input particle
+               sStrArray[nStartPatternAt].
+
+        NOTE: once called the result is remembered, subsequent calls with
+        different parameters do not check for a match and do not lead to a
+        different result.
+     */
+    bool IsAcceptedDatePattern( sal_uInt16 nStartPatternAt );
+
+    /** Sets (not advances!) rPos to sStrArray[nParticle].getLength() if string
+        matches separator in pattern at nParticle.
+
+        Also detects a signed year case like M/D/-Y
+
+        @returns TRUE if separator matched.
+     */
+    bool SkipDatePatternSeparator( sal_uInt16 nParticle, sal_Int32 & rPos, bool & rSignedYear );
+
+    /** Returns count of numbers in accepted date pattern.
+     */
+    sal_uInt16 GetDatePatternNumbers();
+
+    /** Whether numeric string nNumber is of type cType in accepted date
+        pattern, 'Y', 'M' or 'D'.
+     */
+    bool IsDatePatternNumberOfType( sal_uInt16 nNumber, sal_Unicode cType );
+
+    /** Obtain order of accepted date pattern coded as, for example,
+        ('D'<<16)|('M'<<8)|'Y'
+    */
+    sal_uInt32 GetDatePatternOrder();
+
+    /** Obtain date format order, from accepted date pattern if available or
+        otherwise the locale's default order.
+
+        @param  bFromFormatIfNoPattern
+                If <TRUE/> and no pattern was matched, obtain date order from
+                format if available, instead from format's or current locale.
+     */
+    DateOrder GetDateOrder( bool bFromFormatIfNoPattern = false );
+
+    /** Whether input may be an ISO 8601 date format, yyyy-mm-dd...
+
+        Checks if input has at least 3 numbers for yyyy-mm-dd and the separator
+        is '-', and 1<=mm<=12 and 1<=dd<=31.
+
+        @see nMayBeIso8601
+     */
+    bool MayBeIso8601();
+
+    /** Whether input may be a dd-month-yy format, with month name, not
+        number.
+
+        @see nMayBeMonthDate
+     */
+    bool MayBeMonthDate();
+
+    /** Whether input is acceptable as ISO 8601 date format in the current
+        NfEvalDateFormat setting.
+     */
+    bool IsAcceptableIso8601();
+
+    /** If month name in the middle was parsed, get the corresponding
+        LongDateOrder in GetDateRef().
+     */
+    LongDateOrder GetMiddleMonthLongDateOrder( bool bFormatTurn,
+                                               const LocaleDataWrapper* pLoc,
+                                               DateOrder eDateOrder );
+};
+
+#endif // INCLUDED_SVL_SOURCE_NUMBERS_ZFORFIND_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */