A table column containing only strings as values. More...

#include <tablecolumnimpl.hpp>

Inheritance diagram for StringColumn:

Collaboration diagram for StringColumn:

Public Member Functions
	StringColumn ()
	Default constructor. Sets only the column's type. More...

	StringColumn (size_t nElem)
	Generalized constructor. Will prepare a column with the specified size. More...

virtual	~StringColumn ()

virtual std::string	getValueAsString (size_t elem) const override
	Returns the selected value or an empty string, if the value does not exist. More...

virtual std::string	getValueAsInternalString (size_t elem) const override
	Returns the contents as an internal string (i.e. without quotation marks). More...

virtual std::string	getValueAsParserString (size_t elem) const override
	Returns the contents as parser string (i.e. with quotation marks). More...

virtual std::string	getValueAsStringLiteral (size_t elem) const override
	Returns the contents as parser string (i.e. with quotation marks). More...

virtual mu::value_type	getValue (size_t elem) const override
	Returns always NaN, because this conversion is not possible. More...

virtual void	setValue (size_t elem, const std::string &sValue) override
	Set a single string value. More...

virtual void	setValue (size_t elem, const mu::value_type &vValue) override
	Set a single numerical value. More...

virtual StringColumn *	copy (const VectorIndex &idx) const override
	Creates a copy of the selected part of this column. Can be used for simple extraction into a new table. More...

virtual void	assign (const TableColumn *column) override
	Assign another TableColumn's contents to this table column. More...

virtual void	insert (const VectorIndex &idx, const TableColumn *column) override
	Insert the contents of the passed column at the specified positions. More...

virtual void	deleteElements (const VectorIndex &idx) override
	Delete the specified elements. More...

virtual void	insertElements (size_t pos, size_t elem)
	Inserts as many as the selected elements at the desired position, if the column is already larger than the starting position. More...

virtual void	appendElements (size_t elem)
	Appends the number of elements. More...

virtual void	removeElements (size_t pos, size_t elem)
	Removes the selected number of elements from the column and moving all following items forward. More...

virtual void	resize (size_t elem) override
	Resizes the internal array. More...

virtual int	compare (int i, int j, bool caseinsensitive) const override
	Returns 0, if both elements are equal, -1 if element i is smaller than element j and 1 otherwise. More...

virtual bool	isValid (int elem) const override
	Returns true, if the selected element is a valid value. More...

virtual bool	asBool (int elem) const override
	Interprets the value as a boolean. More...

virtual size_t	getBytes () const override
	Calculates the number of bytes occupied by this column. More...

virtual size_t	size () const override
	Returns the number of elements in this column (will also count invalid ones). More...

virtual TableColumn *	convert (ColumnType type=TableColumn::TYPE_NONE) override
	Returns the contents of this column converted to the new column type. Might even return itself. More...

Public Member Functions inherited from TableColumn
	TableColumn ()

virtual	~TableColumn ()

std::vector< std::string >	getValueAsString (const VectorIndex &idx) const
	Return the table column's contents as a vector of strings. More...

std::vector< std::string >	getValueAsInternalString (const VectorIndex &idx) const
	Returns the table column's contents as a vector containing internal strings. More...

std::vector< mu::value_type >	getValue (const VectorIndex &idx) const
	Return the table column's contents as a vector of numerical types. More...

virtual std::string	getValueAsString (size_t elem) const =0

virtual std::string	getValueAsInternalString (size_t elem) const =0

virtual std::string	getValueAsParserString (size_t elem) const =0

virtual std::string	getValueAsStringLiteral (size_t elem) const =0

virtual mu::value_type	getValue (size_t elem) const =0

void	setValue (const VectorIndex &idx, const std::vector< std::string > &vValue)
	Sets a string vector at the specified indices. More...

void	setValue (const VectorIndex &idx, const std::vector< mu::value_type > &vValue)
	Sets a numerical vector at the specified indices. More...

void	setValue (const VectorIndex &idx, mu::value_type *_dData, unsigned int _nNum)
	Sets a plain numerical array at the specified indices. More...

virtual void	setValue (size_t elem, const std::string &sValue)=0

virtual void	setValue (size_t elem, const mu::value_type &vValue)=0

TableColumn *	copy () const
	Simplification wrapper around the indiced copy method to copy the whole column. More...

virtual TableColumn *	copy (const VectorIndex &idx) const =0

virtual void	assign (const TableColumn *column)=0

virtual void	insert (const VectorIndex &idx, const TableColumn *column)=0

virtual void	deleteElements (const VectorIndex &idx)=0

void	shrink ()
	Shrink the column by removing all invalid elements from the end. More...

virtual void	insertElements (size_t pos, size_t elem)=0

virtual void	appendElements (size_t elem)=0

virtual void	removeElements (size_t pos, size_t elem)=0

virtual void	resize (size_t elem)=0

virtual int	compare (int i, int j, bool flag) const =0

virtual bool	isValid (int elem) const =0

virtual bool	asBool (int elem) const =0

virtual size_t	size () const =0

virtual size_t	getBytes () const =0

size_t	getNumFilledElements () const
	Return the number of actual filled elements in this column, which can be different from the actual size of the column. More...

virtual TableColumn *	convert (ColumnType type=TableColumn::TYPE_NONE)=0

Private Attributes
std::vector< std::string >	m_data

Additional Inherited Members
Public Types inherited from TableColumn
enum	ColumnType { TYPE_NONE , VALUELIKE , TYPE_VALUE , TYPE_DATETIME , TYPE_LOGICAL , TYPE_CATEGORICAL , STRINGLIKE , TYPE_STRING , TYPE_MIXED }

Static Public Member Functions inherited from TableColumn
static std::string	getDefaultColumnHead (size_t colNo)
	Creates a default column headline for a column, which can be used without an instance of this class. More...

static std::string	typeToString (ColumnType type)
	Converts the passed ColumnType value to a string representation. More...

static ColumnType	stringToType (const std::string &sType)
	Converts the passed string representation to a ColumnType value. More...

static std::vector< std::string >	getTypesAsString ()
	Returns a list of all available column types as strings. More...

Public Attributes inherited from TableColumn
std::string	m_sHeadLine

ColumnType	m_type

Detailed Description

A table column containing only strings as values.

Definition at line 290 of file tablecolumnimpl.hpp.

Constructor & Destructor Documentation

◆ StringColumn() [1/2]

StringColumn::StringColumn ( )

inline

Default constructor. Sets only the column's type.

Definition at line 300 of file tablecolumnimpl.hpp.

References TableColumn::m_type, and TableColumn::TYPE_STRING.

Referenced by copy().

◆ StringColumn() [2/2]

StringColumn::StringColumn ( size_t nElem )

inline

Generalized constructor. Will prepare a column with the specified size.

Parameters

nElem size_t

Definition at line 312 of file tablecolumnimpl.hpp.

References resize().

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◆ ~StringColumn()

virtual StringColumn::~StringColumn ( )

inlinevirtual

Definition at line 317 of file tablecolumnimpl.hpp.

Member Function Documentation

◆ appendElements()

void StringColumn::appendElements ( size_t elem )

virtual

Appends the number of elements.

Parameters

elem size_t

Returns: void

Implements TableColumn.

Definition at line 1472 of file tablecolumnimpl.cpp.

References m_data.

◆ asBool()

bool StringColumn::asBool ( int elem ) const

overridevirtual

Interprets the value as a boolean.

Parameters

elem int

Returns: bool

Implements TableColumn.

Definition at line 1570 of file tablecolumnimpl.cpp.

References m_data.

◆ assign()

void StringColumn::assign ( const TableColumn * column )

overridevirtual

Assign another TableColumn's contents to this table column.

Parameters

column const TableColumn*

Returns: void

Implements TableColumn.

Definition at line 1387 of file tablecolumnimpl.cpp.

References SyntaxError::CANNOT_ASSIGN_COLUMN_OF_DIFFERENT_TYPE, m_data, TableColumn::m_sHeadLine, TableColumn::m_type, TableColumn::TYPE_STRING, and TableColumn::typeToString().

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◆ compare()

int StringColumn::compare	(	int	i,
		int	j,
		bool	caseinsensitive
	)		const

overridevirtual

Returns 0, if both elements are equal, -1 if element i is smaller than element j and 1 otherwise.

Parameters

i	int
j	int
caseinsensitive	bool

Returns: int

Implements TableColumn.

Definition at line 1522 of file tablecolumnimpl.cpp.

References m_data, max, and toLowerCase().

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◆ convert()

TableColumn * StringColumn::convert ( ColumnType type = TableColumn::TYPE_NONE )

overridevirtual

Returns the contents of this column converted to the new column type. Might even return itself.

Parameters

type	ColumnType

Returns: TableColumn*

Implements TableColumn.

Definition at line 1606 of file tablecolumnimpl.cpp.

References CONVTYPE_DATE_TIME, CONVTYPE_LOGICAL, CONVTYPE_NONE, CONVTYPE_VALUE, isConvertible(), m_data, TableColumn::m_sHeadLine, VectorIndex::OPEN_END, replaceAll(), TableColumn::setValue(), StrToCmplx(), StrToLogical(), StrToTime(), to_double(), toLowerCase(), TableColumn::TYPE_CATEGORICAL, TableColumn::TYPE_DATETIME, TableColumn::TYPE_LOGICAL, TableColumn::TYPE_NONE, TableColumn::TYPE_STRING, and TableColumn::TYPE_VALUE.

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◆ copy()

StringColumn * StringColumn::copy ( const VectorIndex & idx ) const

overridevirtual

Creates a copy of the selected part of this column. Can be used for simple extraction into a new table.

Parameters

idx	const VectorIndex&

Returns: StringColumn*

Implements TableColumn.

Definition at line 1362 of file tablecolumnimpl.cpp.

References m_data, TableColumn::m_sHeadLine, VectorIndex::setOpenEndIndex(), VectorIndex::size(), size(), and StringColumn().

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◆ deleteElements()

void StringColumn::deleteElements ( const VectorIndex & idx )

overridevirtual

Delete the specified elements.

Note: Will trigger the shrinking algorithm.

Parameters

idx	const VectorIndex&

Returns: void

Implements TableColumn.

Definition at line 1426 of file tablecolumnimpl.cpp.

References VectorIndex::front(), VectorIndex::isExpanded(), VectorIndex::last(), m_data, VectorIndex::setOpenEndIndex(), TableColumn::shrink(), VectorIndex::size(), and size().

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◆ getBytes()

size_t StringColumn::getBytes ( ) const

overridevirtual

Calculates the number of bytes occupied by this column.

Returns: size_t

Implements TableColumn.

Definition at line 1586 of file tablecolumnimpl.cpp.

References m_data, and TableColumn::m_sHeadLine.

◆ getValue()

mu::value_type StringColumn::getValue ( size_t elem ) const

overridevirtual

Returns always NaN, because this conversion is not possible.

Parameters

elem size_t

Returns: mu::value_type

Implements TableColumn.

Definition at line 1307 of file tablecolumnimpl.cpp.

◆ getValueAsInternalString()

std::string StringColumn::getValueAsInternalString ( size_t elem ) const

overridevirtual

Returns the contents as an internal string (i.e. without quotation marks).

Parameters

elem size_t

Returns: std::string

Implements TableColumn.

Definition at line 1262 of file tablecolumnimpl.cpp.

References m_data.

Referenced by getValueAsParserString(), and getValueAsStringLiteral().

◆ getValueAsParserString()

std::string StringColumn::getValueAsParserString ( size_t elem ) const

overridevirtual

Returns the contents as parser string (i.e. with quotation marks).

Parameters

elem size_t

Returns: std::string

Implements TableColumn.

Definition at line 1279 of file tablecolumnimpl.cpp.

References getValueAsInternalString().

Referenced by getValueAsString().

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◆ getValueAsString()

std::string StringColumn::getValueAsString ( size_t elem ) const

overridevirtual

Returns the selected value or an empty string, if the value does not exist.

Parameters

elem size_t

Returns: std::string

Implements TableColumn.

Definition at line 1248 of file tablecolumnimpl.cpp.

References getValueAsParserString().

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◆ getValueAsStringLiteral()

std::string StringColumn::getValueAsStringLiteral ( size_t elem ) const

overridevirtual

Returns the contents as parser string (i.e. with quotation marks).

Parameters

elem size_t

Returns: std::string

Implements TableColumn.

Definition at line 1293 of file tablecolumnimpl.cpp.

References getValueAsInternalString(), and toExternalString().

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◆ insert()

void StringColumn::insert	(	const VectorIndex &	idx,
		const TableColumn *	column
	)

overridevirtual

Insert the contents of the passed column at the specified positions.

Parameters

idx	const VectorIndex&
column	const TableColumn*

Returns: void

Implements TableColumn.

Definition at line 1408 of file tablecolumnimpl.cpp.

References SyntaxError::CANNOT_ASSIGN_COLUMN_OF_DIFFERENT_TYPE, m_data, TableColumn::m_sHeadLine, TableColumn::m_type, TableColumn::setValue(), TableColumn::TYPE_STRING, and TableColumn::typeToString().

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◆ insertElements()

void StringColumn::insertElements	(	size_t	pos,
		size_t	elem
	)

virtual

Inserts as many as the selected elements at the desired position, if the column is already larger than the starting position.

Parameters

pos	size_t
elem	size_t

Returns: void

Implements TableColumn.

Definition at line 1458 of file tablecolumnimpl.cpp.

References m_data.

◆ isValid()

bool StringColumn::isValid ( int elem ) const

overridevirtual

Returns true, if the selected element is a valid value.

Parameters

elem int

Returns: bool

Implements TableColumn.

Definition at line 1554 of file tablecolumnimpl.cpp.

References m_data.

◆ removeElements()

void StringColumn::removeElements	(	size_t	pos,
		size_t	elem
	)

virtual

Removes the selected number of elements from the column and moving all following items forward.

Parameters

pos	size_t
elem	size_t

Returns: void

Implements TableColumn.

Definition at line 1488 of file tablecolumnimpl.cpp.

References m_data.

◆ resize()

void StringColumn::resize ( size_t elem )

overridevirtual

Resizes the internal array.

Parameters

elem size_t

Returns: void

Implements TableColumn.

Definition at line 1502 of file tablecolumnimpl.cpp.

References m_data.

Referenced by StringColumn().

◆ setValue() [1/2]

void StringColumn::setValue	(	size_t	elem,
		const mu::value_type &	vValue
	)

overridevirtual

Set a single numerical value.

Parameters

elem	size_t
vValue	const mu::value_type&

Returns: void

Implements TableColumn.

Definition at line 1341 of file tablecolumnimpl.cpp.

References NumeReKernel::getInstance(), mu::isnan(), m_data, and toString().

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◆ setValue() [2/2]

void StringColumn::setValue	(	size_t	elem,
		const std::string &	sValue
	)

overridevirtual

Set a single string value.

Parameters

elem	size_t
sValue	const std::string&

Returns: void

Implements TableColumn.

Definition at line 1321 of file tablecolumnimpl.cpp.

References m_data.

◆ size()

virtual size_t StringColumn::size ( ) const

inlineoverridevirtual

Returns the number of elements in this column (will also count invalid ones).

Returns: size_t

Implements TableColumn.

Definition at line 351 of file tablecolumnimpl.hpp.

References m_data.

Referenced by copy(), and deleteElements().

Member Data Documentation

◆ m_data

std::vector<std::string> StringColumn::m_data

private

Definition at line 293 of file tablecolumnimpl.hpp.

Referenced by appendElements(), asBool(), assign(), compare(), convert(), copy(), deleteElements(), getBytes(), getValueAsInternalString(), insert(), insertElements(), isValid(), removeElements(), resize(), setValue(), and size().

The documentation for this class was generated from the following files:

D:/CPP/numere-source/trunk/kernel/core/datamanagement/tablecolumnimpl.hpp
D:/CPP/numere-source/trunk/kernel/core/datamanagement/tablecolumnimpl.cpp

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ StringColumn() [1/2]

◆ StringColumn() [2/2]

◆ ~StringColumn()

Member Function Documentation

◆ appendElements()

◆ asBool()

◆ assign()

◆ compare()

◆ convert()

◆ copy()

◆ deleteElements()

◆ getBytes()

◆ getValue()

◆ getValueAsInternalString()

◆ getValueAsParserString()

◆ getValueAsString()

◆ getValueAsStringLiteral()

◆ insert()

◆ insertElements()

◆ isValid()

◆ removeElements()

◆ resize()

◆ setValue() [1/2]

◆ setValue() [2/2]

◆ size()

Member Data Documentation

◆ m_data