morph::table::DateParser Class Reference

Parses text to dates and date-times for Date and DateTime columns that hold text, and for filter values on those columns. More...

#include <data_source.hpp>

Inheritance diagram for morph::table::DateParser:

Public Member Functions
virtual std::optional< std::int64_t >	parseDate (std::string_view text, std::string_view format) const =0
	Parses a date.
virtual std::optional< std::int64_t >	parseDateTime (std::string_view text, std::string_view format) const =0
	Parses a date-time.
virtual std::shared_ptr< DateParser const >	cloneForTask () const
	An instance for one task to use alone.

Detailed Description

Parses text to dates and date-times for Date and DateTime columns that hold text, and for filter values on those columns.

The same thread-safety contract as TextCollator.

Definition at line 292 of file data_source.hpp.

Member Function Documentation

parseDate()

virtual std::optional< std::int64_t > morph::table::DateParser::parseDate ( std::string_view text, std::string_view format ) const

nodiscardpure virtual

Parses a date.

Parameters

text	The text.
format	The column's format; empty for the parser's default.

Returns

Days since 1970-01-01, or nothing when text is not a date.

Implemented in morph::table::IsoDateParser.

parseDateTime()

virtual std::optional< std::int64_t > morph::table::DateParser::parseDateTime ( std::string_view text, std::string_view format ) const

nodiscardpure virtual

Parses a date-time.

Parameters

text	The text.
format	The column's format; empty for the parser's default.

Returns

UTC seconds since the epoch, or nothing when text is not a date-time.

Implemented in morph::table::IsoDateParser.

cloneForTask()

virtual std::shared_ptr< DateParser const > morph::table::DateParser::cloneForTask ( ) const

inlinenodiscardvirtual

An instance for one task to use alone.

Returns

Null when this instance is safe to call concurrently, else a copy.

Definition at line 313 of file data_source.hpp.

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

• morph/table/data_source.hpp