12 KiB
class rapidcsv::Document
Class representing a CSV document.
Document (const std::string & pPath = std::string(), const LabelParams & pLabelParams = LabelParams(), const SeparatorParams & pSeparatorParams = SeparatorParams(), const ConverterParams & pConverterParams = ConverterParams(), const LineReaderParams & pLineReaderParams = LineReaderParams())
Constructor.
Parameters
pPath
specifies the path of an existing CSV-file to populate the Document data with.pLabelParams
specifies which row and column should be treated as labels.pSeparatorParams
specifies which field and row separators should be used.pConverterParams
specifies how invalid numbers (including empty strings) should be handled.pLineReaderParams
specifies how special line formats should be treated.
Document (std::istream & pStream, const LabelParams & pLabelParams = LabelParams(), const SeparatorParams & pSeparatorParams = SeparatorParams(), const ConverterParams & pConverterParams = ConverterParams(), const LineReaderParams & pLineReaderParams = LineReaderParams())
Constructor.
Parameters
pStream
specifies an input stream to read CSV data from.pLabelParams
specifies which row and column should be treated as labels.pSeparatorParams
specifies which field and row separators should be used.pConverterParams
specifies how invalid numbers (including empty strings) should be handled.pLineReaderParams
specifies how special line formats should be treated.
void Clear ()
Clears loaded Document data.
template<typename T > T GetCell (const size_t pColumnIdx, const size_t pRowIdx)
Get cell by index.
Parameters
pColumnIdx
zero-based column index.pRowIdx
zero-based row index.
Returns:
- cell data.
template<typename T > T GetCell (const size_t pColumnIdx, const size_t pRowIdx, ConvFunc< T > pToVal)
Get cell by index.
Parameters
pColumnIdx
zero-based column index.pRowIdx
zero-based row index.pToVal
conversion function.
Returns:
- cell data.
template<typename T > T GetCell (const std::string & pColumnName, const std::string & pRowName)
Get cell by name.
Parameters
pColumnName
column label name.pRowName
row label name.
Returns:
- cell data.
template<typename T > T GetCell (const std::string & pColumnName, const std::string & pRowName, ConvFunc< T > pToVal)
Get cell by name.
Parameters
pColumnName
column label name.pRowName
row label name.pToVal
conversion function.
Returns:
- cell data.
template<typename T > T GetCell (const std::string & pColumnName, const size_t pRowIdx)
Get cell by column name and row index.
Parameters
pColumnName
column label name.pRowIdx
zero-based row index.
Returns:
- cell data.
template<typename T > T GetCell (const std::string & pColumnName, const size_t pRowIdx, ConvFunc< T > pToVal)
Get cell by column name and row index.
Parameters
pColumnName
column label name.pRowIdx
zero-based row index.pToVal
conversion function.
Returns:
- cell data.
template<typename T > T GetCell (const size_t pColumnIdx, const std::string & pRowName)
Get cell by column index and row name.
Parameters
pColumnIdx
zero-based column index.pRowName
row label name.
Returns:
- cell data.
template<typename T > T GetCell (const size_t pColumnIdx, const std::string & pRowName, ConvFunc< T > pToVal)
Get cell by column index and row name.
Parameters
pColumnIdx
zero-based column index.pRowName
row label name.pToVal
conversion function.
Returns:
- cell data.
template<typename T > std::vector<T> GetColumn (const size_t pColumnIdx)
Get column by index.
Parameters
pColumnIdx
zero-based column index.
Returns:
- vector of column data.
template<typename T > std::vector<T> GetColumn (const size_t pColumnIdx, ConvFunc< T > pToVal)
Get column by index.
Parameters
pColumnIdx
zero-based column index.pToVal
conversion function.
Returns:
- vector of column data.
template<typename T > std::vector<T> GetColumn (const std::string & pColumnName)
Get column by name.
Parameters
pColumnName
column label name.
Returns:
- vector of column data.
template<typename T > std::vector<T> GetColumn (const std::string & pColumnName, ConvFunc< T > pToVal)
Get column by name.
Parameters
pColumnName
column label name.pToVal
conversion function.
Returns:
- vector of column data.
size_t GetColumnCount ()
Get number of data columns (excluding label columns).
Returns:
- column count.
ssize_t GetColumnIdx (const std::string & pColumnName)
Get column index by name.
Parameters
pColumnName
column label name.
Returns:
- zero-based column index.
std::string GetColumnName (const ssize_t pColumnIdx)
Get column name.
Parameters
pColumnIdx
zero-based column index.
Returns:
- column name.
std::vector<std::string> GetColumnNames ()
Get column names.
Returns:
- vector of column names.
template<typename T > std::vector<T> GetRow (const size_t pRowIdx)
Get row by index.
Parameters
pRowIdx
zero-based row index.
Returns:
- vector of row data.
template<typename T > std::vector<T> GetRow (const size_t pRowIdx, ConvFunc< T > pToVal)
Get row by index.
Parameters
pRowIdx
zero-based row index.pToVal
conversion function.
Returns:
- vector of row data.
template<typename T > std::vector<T> GetRow (const std::string & pRowName)
Get row by name.
Parameters
pRowName
row label name.
Returns:
- vector of row data.
template<typename T > std::vector<T> GetRow (const std::string & pRowName, ConvFunc< T > pToVal)
Get row by name.
Parameters
pRowName
row label name.pToVal
conversion function.
Returns:
- vector of row data.
size_t GetRowCount ()
Get number of data rows (excluding label rows).
Returns:
- row count.
ssize_t GetRowIdx (const std::string & pRowName)
Get row index by name.
Parameters
pRowName
row label name.
Returns:
- zero-based row index.
std::string GetRowName (const ssize_t pRowIdx)
Get row name.
Parameters
pRowIdx
zero-based column index.
Returns:
- row name.
std::vector<std::string> GetRowNames ()
Get row names.
Returns:
- vector of row names.
template<typename T > void InsertColumn (const size_t pColumnIdx, const std::vector< T > & pColumn = std::vector<T>(), const std::string & pColumnName = std::string())
Insert column at specified index.
Parameters
pColumnIdx
zero-based column index.pColumn
vector of column data (optional argument).pColumnName
column label name (optional argument).
template<typename T > void InsertRow (const size_t pRowIdx, const std::vector< T > & pRow = std::vector<T>(), const std::string & pRowName = std::string())
Insert row at specified index.
Parameters
pRowIdx
zero-based row index.pRow
vector of row data (optional argument).pRowName
row label name (optional argument).
void Load (const std::string & pPath, const LabelParams & pLabelParams = LabelParams(), const SeparatorParams & pSeparatorParams = SeparatorParams(), const ConverterParams & pConverterParams = ConverterParams(), const LineReaderParams & pLineReaderParams = LineReaderParams())
Read Document data from file.
Parameters
pPath
specifies the path of an existing CSV-file to populate the Document data with.pLabelParams
specifies which row and column should be treated as labels.pSeparatorParams
specifies which field and row separators should be used.pConverterParams
specifies how invalid numbers (including empty strings) should be handled.pLineReaderParams
specifies how special line formats should be treated.
void Load (std::istream & pStream, const LabelParams & pLabelParams = LabelParams(), const SeparatorParams & pSeparatorParams = SeparatorParams(), const ConverterParams & pConverterParams = ConverterParams(), const LineReaderParams & pLineReaderParams = LineReaderParams())
Read Document data from stream.
Parameters
pStream
specifies an input stream to read CSV data from.pLabelParams
specifies which row and column should be treated as labels.pSeparatorParams
specifies which field and row separators should be used.pConverterParams
specifies how invalid numbers (including empty strings) should be handled.pLineReaderParams
specifies how special line formats should be treated.
void RemoveColumn (const size_t pColumnIdx)
Remove column by index.
Parameters
pColumnIdx
zero-based column index.
void RemoveColumn (const std::string & pColumnName)
Remove column by name.
Parameters
pColumnName
column label name.
void RemoveRow (const size_t pRowIdx)
Remove row by index.
Parameters
pRowIdx
zero-based row index.
void RemoveRow (const std::string & pRowName)
Remove row by name.
Parameters
pRowName
row label name.
void Save (const std::string & pPath = std::string())
Write Document data to file.
Parameters
pPath
optionally specifies the path where the CSV-file will be created (if not specified, the original path provided when creating or loading the Document data will be used).
void Save (std::ostream & pStream)
Write Document data to stream.
Parameters
pStream
specifies an output stream to write the data to.
template<typename T > void SetCell (const size_t pColumnIdx, const size_t pRowIdx, const T & pCell)
Set cell by index.
Parameters
pRowIdx
zero-based row index.pColumnIdx
zero-based column index.pCell
cell data.
template<typename T > void SetCell (const std::string & pColumnName, const std::string & pRowName, const T & pCell)
Set cell by name.
Parameters
pColumnName
column label name.pRowName
row label name.pCell
cell data.
template<typename T > void SetColumn (const size_t pColumnIdx, const std::vector< T > & pColumn)
Set column by index.
Parameters
pColumnIdx
zero-based column index.pColumn
vector of column data.
template<typename T > void SetColumn (const std::string & pColumnName, const std::vector< T > & pColumn)
Set column by name.
Parameters
pColumnName
column label name.pColumn
vector of column data.
void SetColumnName (size_t pColumnIdx, const std::string & pColumnName)
Set column name.
Parameters
pColumnIdx
zero-based column index.pColumnName
column name.
template<typename T > void SetRow (const size_t pRowIdx, const std::vector< T > & pRow)
Set row by index.
Parameters
pRowIdx
zero-based row index.pRow
vector of row data.
template<typename T > void SetRow (const std::string & pRowName, const std::vector< T > & pRow)
Set row by name.
Parameters
pRowName
row label name.pRow
vector of row data.
void SetRowName (size_t pRowIdx, const std::string & pRowName)
Set row name.
Parameters
pRowIdx
zero-based row index.pRowName
row name.