diff options
Diffstat (limited to 'tools/inc/tools/multisel.hxx')
| -rw-r--r-- | tools/inc/tools/multisel.hxx | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/tools/inc/tools/multisel.hxx b/tools/inc/tools/multisel.hxx index 46fd8947e21b..9de3cc172e70 100644 --- a/tools/inc/tools/multisel.hxx +++ b/tools/inc/tools/multisel.hxx @@ -35,6 +35,9 @@ #include <tools/list.hxx> #include <tools/string.hxx> +#include <vector> +#include <set> + //------------------------------------------------------------------ #ifdef _SV_MULTISEL_CXX @@ -112,4 +115,105 @@ public: const Range& GetRange( ULONG nRange ) const { return *(const Range*)aSels.GetObject(nRange); } }; +class TOOLS_DLLPUBLIC StringRangeEnumerator +{ + struct Range + { + sal_Int32 nFirst; + sal_Int32 nLast; + + Range() : nFirst( -1 ), nLast( -1 ) {} + Range( sal_Int32 i_nFirst, sal_Int32 i_nLast ) : nFirst( i_nFirst ), nLast( i_nLast ) {} + }; + std::vector< StringRangeEnumerator::Range > maSequence; + sal_Int32 mnCount; + sal_Int32 mnMin; + sal_Int32 mnMax; + sal_Int32 mnOffset; + + bool insertRange( sal_Int32 nFirst, sal_Int32 nLast, bool bSequence, bool bMayAdjust ); + bool checkValue( sal_Int32, const std::set< sal_Int32 >* i_pPossibleValues = NULL ) const; +public: + class TOOLS_DLLPUBLIC Iterator + { + const StringRangeEnumerator* pEnumerator; + const std::set< sal_Int32 >* pPossibleValues; + sal_Int32 nRangeIndex; + sal_Int32 nCurrent; + + friend class StringRangeEnumerator; + Iterator( const StringRangeEnumerator* i_pEnum, + const std::set< sal_Int32 >* i_pPossibleValues, + sal_Int32 i_nRange, + sal_Int32 i_nCurrent ) + : pEnumerator( i_pEnum ), pPossibleValues( i_pPossibleValues ) + , nRangeIndex( i_nRange ), nCurrent( i_nCurrent ) {} + public: + Iterator() : pEnumerator( NULL ), pPossibleValues( NULL ), nRangeIndex( -1 ), nCurrent( -1 ) {} + Iterator& operator++(); + sal_Int32 operator*() const; + bool operator==(const Iterator&) const; + bool operator!=(const Iterator& i_rComp) const + { return ! (*this == i_rComp); } + }; + + friend class StringRangeEnumerator::Iterator; + + StringRangeEnumerator() : mnCount( 0 ), mnMin( -1 ), mnMax( -1 ), mnOffset( -1 ) {} + StringRangeEnumerator( const rtl::OUString& i_rInput, + sal_Int32 i_nMinNumber = -1, + sal_Int32 i_nMaxNumber = -1, + sal_Int32 i_nLogicalOffset = -1 + ); + + size_t size() const { return size_t(mnCount); } + Iterator begin( const std::set< sal_Int32 >* i_pPossibleValues = NULL ) const; + Iterator end( const std::set< sal_Int32 >* i_pPossibleValues = NULL ) const; + + sal_Int32 getMin() const { return mnMin; } + void setMin( sal_Int32 i_nMinValue ) { mnMin = i_nMinValue; } + sal_Int32 getMax() const { return mnMax; } + void setMax( sal_Int32 i_nMaxValue ) { mnMax = i_nMaxValue; } + sal_Int32 getLogicalOffset() const { return mnOffset; } + void setLogicalOffset( sal_Int32 i_nOffset ) { mnOffset = i_nOffset; } + + bool setRange( const rtl::OUString& i_rNewRange, bool i_bStrict = false ); + bool hasValue( sal_Int32 nValue, const std::set< sal_Int32 >* i_pPossibleValues = NULL ) const; + + + /** + i_rPageRange: the string to be changed into a sequence of numbers + valid format example "5-3,9,9,7-8" ; instead of ',' ';' or ' ' are allowed as well + o_rPageVector: the output sequence of numbers + i_nLogicalOffset: an offset to be applied to each number in the string before inserting it in the resulting sequence + example: a user enters page numbers from 1 to n (since that is logical) + of course usable page numbers in code would start from 0 and end at n-1 + so the logical offset would be -1 + i_nMinNumber: the minimum allowed number, a negative number means no minimum check + i_nMaxNumber: the maximum allowed number, a negative number means no maximum check + + @returns: true if the input string was valid, o_rPageVector will contain the resulting sequence + false if the input string was invalid, o_rPageVector will be unchanged + + behavior: + - only non-negative sequence numbers are allowed + - only non-negative values in the input string are allowed + - the string "-3" will be either + * an error if no minimum is given + * or result in the sequence i_nMinNumber to 3 + - the string "3-" will be either + * an error if no maximum is given + * or result in the seqeuence 3 to i_nMaxNumber + - an empty string as input is valid and will result in the range [min,max] if given + or an empty vector, if not + */ + static bool getRangesFromString( const rtl::OUString& i_rPageRange, + std::vector< sal_Int32 >& o_rPageVector, + sal_Int32 i_nMinNumber = -1, + sal_Int32 i_nMaxNumber = -1, + sal_Int32 i_nLogicalOffset = -1, + std::set< sal_Int32 >* i_pPossibleValues = NULL + ); +}; + #endif // _SV_MULTISEL_HXX |