Class: Xsv::StylesHandler

Inherits:
SaxParser show all
Defined in:
lib/xsv/styles_handler.rb

Overview

StylesHandler interprets the relevant parts of styles.xml This is used internally when opening a sheet.

Constant Summary

Constants inherited from SaxParser

Xsv::SaxParser::ATTR_REGEX

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from SaxParser

incomplete_utf8_tail_size, #parse

Constructor Details

#initialize(num_fmts, &block) ⇒ StylesHandler

Returns a new instance of StylesHandler.



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# File 'lib/xsv/styles_handler.rb', line 18

def initialize(num_fmts, &block)
  @block = block
  @state = nil
  @xfs = []
  @num_fmts = num_fmts
end

Class Method Details

.get_styles(io) ⇒ Object 



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# File 'lib/xsv/styles_handler.rb', line 7

def self.get_styles(io)
  handler = new(Xsv::Helpers::BUILT_IN_NUMBER_FORMATS.dup) do |xfs, num_fmts|
    @xfs = xfs
    @num_fmts = num_fmts
  end

  handler.parse(io)

  [@xfs, @num_fmts]
end

Instance Method Details

#end_element(name) ⇒ Object 



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# File 'lib/xsv/styles_handler.rb', line 36

def end_element(name)
  case name
  when "styleSheet"
    @block.call(@xfs, @num_fmts)
  when "cellXfs"
    @state = nil
  end
end

#start_element(name, attrs) ⇒ Object 



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# File 'lib/xsv/styles_handler.rb', line 25

def start_element(name, attrs)
  case name
  when "cellXfs"
    @state = "cellXfs"
  when "xf"
    @xfs << attrs.transform_values(&:to_i) if @state == "cellXfs"
  when "numFmt"
    @num_fmts[attrs[:numFmtId].to_i] = attrs[:formatCode]
  end
end