Class: CsvMapper::AttributeMap

Inherits:

Object

• Object
• CsvMapper::AttributeMap

show all

Defined in:

lib/csv-mapper/attribute_map.rb

Overview

Instance Attribute Summary (collapse)

• - (Object) index readonly

  Returns the value of attribute index.

• - (Object) name readonly

  Returns the value of attribute name.

Instance Method Summary (collapse)

• - (Object) at(index)

  Set the index that this map is targeting.

• - (AttributeMap) initialize(name, index, map_context) constructor

  Creates a new instance using the provided attribute name, CSV row index, and evaluation map_context.

• - (Object) map(transform = nil, &block_transform)

  Provide a lambda or the symbol name of a method on this map's evaluation context to be used when parsing the value from a CSV row.

• - (Object) parse(csv_row)

  Given a CSV row, return the value at this AttributeMap's index using any provided map transforms (see map).

• - (Object) raw_value(csv_row)

  Access the raw value of the CSV row without any map transforms applied.

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# File 'lib/csv-mapper/attribute_map.rb', line 8

def initialize(name, index, map_context)
  @name, @index, @map_context = name, index, map_context
end

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# File 'lib/csv-mapper/attribute_map.rb', line 5

def index
  @index
end

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# File 'lib/csv-mapper/attribute_map.rb', line 5

def name
  @name
end

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# File 'lib/csv-mapper/attribute_map.rb', line 15

def at(index)
  @index = index
  self
end

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# File 'lib/csv-mapper/attribute_map.rb', line 25

def map(transform=nil, &block_transform)
  @transformer = block_transform || transform
  self
end

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# File 'lib/csv-mapper/attribute_map.rb', line 31

def parse(csv_row)
  @transformer ? parse_transform(csv_row) : raw_value(csv_row)
end

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# File 'lib/csv-mapper/attribute_map.rb', line 36

def raw_value(csv_row)
  csv_row[self.index]
end