\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5×\D6?\BDê\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2€ \00 $\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4ê\E9\F2á\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /opt/chef/embedded/lib/ruby/2.7.0/csv/

Viewing File: writer.rb

# frozen_string_literal: true

require_relative "match_p"
require_relative "row"

using CSV::MatchP if CSV.const_defined?(:MatchP)

class CSV
  # Note: Don't use this class directly. This is an internal class.
  class Writer
    #
    # A CSV::Writer receives an output, prepares the header, format and output.
    # It allows us to write new rows in the object and rewind it.
    #
    attr_reader :lineno
    attr_reader :headers

    def initialize(output, options)
      @output = output
      @options = options
      @lineno = 0
      @fields_converter = nil
      prepare
      if @options[:write_headers] and @headers
        self << @headers
      end
      @fields_converter = @options[:fields_converter]
    end

    #
    # Adds a new row
    #
    def <<(row)
      case row
      when Row
        row = row.fields
      when Hash
        row = @headers.collect {|header| row[header]}
      end

      @headers ||= row if @use_headers
      @lineno += 1

      row = @fields_converter.convert(row, nil, lineno) if @fields_converter

      converted_row = row.collect do |field|
        quote(field)
      end
      line = converted_row.join(@column_separator) + @row_separator
      if @output_encoding
        line = line.encode(@output_encoding)
      end
      @output << line

      self
    end

    #
    # Winds back to the beginning
    #
    def rewind
      @lineno = 0
      @headers = nil if @options[:headers].nil?
    end

    private
    def prepare
      @encoding = @options[:encoding]

      prepare_header
      prepare_format
      prepare_output
    end

    def prepare_header
      headers = @options[:headers]
      case headers
      when Array
        @headers = headers
        @use_headers = true
      when String
        @headers = CSV.parse_line(headers,
                                  col_sep: @options[:column_separator],
                                  row_sep: @options[:row_separator],
                                  quote_char: @options[:quote_character])
        @use_headers = true
      when true
        @headers = nil
        @use_headers = true
      else
        @headers = nil
        @use_headers = false
      end
      return unless @headers

      converter = @options[:header_fields_converter]
      @headers = converter.convert(@headers, nil, 0)
      @headers.each do |header|
        header.freeze if header.is_a?(String)
      end
    end

    def prepare_format
      @column_separator = @options[:column_separator].to_s.encode(@encoding)
      row_separator = @options[:row_separator]
      if row_separator == :auto
        @row_separator = $INPUT_RECORD_SEPARATOR.encode(@encoding)
      else
        @row_separator = row_separator.to_s.encode(@encoding)
      end
      @quote_character = @options[:quote_character]
      @force_quotes = @options[:force_quotes]
      unless @force_quotes
        @quotable_pattern =
          Regexp.new("[\r\n".encode(@encoding) +
                     Regexp.escape(@column_separator) +
                     Regexp.escape(@quote_character.encode(@encoding)) +
                     "]".encode(@encoding))
      end
      @quote_empty = @options.fetch(:quote_empty, true)
    end

    def prepare_output
      @output_encoding = nil
      return unless @output.is_a?(StringIO)

      output_encoding = @output.internal_encoding || @output.external_encoding
      if @encoding != output_encoding
        if @options[:force_encoding]
          @output_encoding = output_encoding
        else
          compatible_encoding = Encoding.compatible?(@encoding, output_encoding)
          if compatible_encoding
            @output.set_encoding(compatible_encoding)
            @output.seek(0, IO::SEEK_END)
          end
        end
      end
    end

    def quote_field(field)
      field = String(field)
      encoded_quote_character = @quote_character.encode(field.encoding)
      encoded_quote_character +
        field.gsub(encoded_quote_character,
                   encoded_quote_character * 2) +
        encoded_quote_character
    end

    def quote(field)
      if @force_quotes
        quote_field(field)
      else
        if field.nil?  # represent +nil+ fields as empty unquoted fields
          ""
        else
          field = String(field)  # Stringify fields
          # represent empty fields as empty quoted fields
          if (@quote_empty and field.empty?) or @quotable_pattern.match?(field)
            quote_field(field)
          else
            field  # unquoted field
          end
        end
      end
    end
  end
end