Class: BioTable::TableApply
- Inherits:
-
Object
- Object
- BioTable::TableApply
- Defined in:
- lib/bio-table/table_apply.rb
Overview
Apply filters/rewrite etc. to a table, visiting a row at a time. For optimization this class contains some state
Instance Attribute Summary collapse
-
#first_column ⇒ Object
readonly
Returns the value of attribute first_column.
Instance Method Summary collapse
- #column_index(header) ⇒ Object
-
#initialize(options) ⇒ TableApply
constructor
A new instance of TableApply.
- #parse_header(line, options) ⇒ Object
- #parse_row(line_num, line, header, column_idx, prev_fields, options) ⇒ Object
Constructor Details
#initialize(options) ⇒ TableApply
Returns a new instance of TableApply.
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 |
# File 'lib/bio-table/table_apply.rb', line 10 def initialize @logger = Bio::Log::LoggerPlus['bio-table'] # @skip = options[:skip] # @logger.debug "Skipping #{@skip} lines" if @skip @num_filter = [:num_filter] @logger.debug "Filtering on #{@num_filter}" if @num_filter @filter = [:filter] @logger.debug "Filtering on #{@filter}" if @filter @rewrite = [:rewrite] @logger.debug "Rewrite #{@rewrite}" if @rewrite @use_columns = [:columns] @logger.debug "Filtering on columns #{@use_columns}" if @use_columns @column_filter = [:column_filter] @logger.debug "Filtering on column names #{@column_filter}" if @column_filter @strip_quotes = [:strip_quotes] @logger.debug "Strip quotes #{@strip_quotes}" if @strip_quotes @transform_ids = [:transform_ids] @logger.debug "Transform ids #{@transform_ids}" if @transform_ids @include_rownames = [:with_rownames] @logger.debug "Include row names" if @include_rownames @first_column = (@include_rownames ? 0 : 1) end |
Instance Attribute Details
#first_column ⇒ Object (readonly)
Returns the value of attribute first_column.
8 9 10 |
# File 'lib/bio-table/table_apply.rb', line 8 def first_column @first_column end |
Instance Method Details
#column_index(header) ⇒ Object
46 47 48 49 50 51 |
# File 'lib/bio-table/table_apply.rb', line 46 def column_index(header) column_idx = Filter::create_column_index(@use_columns,header) column_idx = Filter::filter_column_index(column_idx,header,@column_filter) new_header = Filter::apply_column_filter(header,column_idx) return column_idx, new_header end |
#parse_header(line, options) ⇒ Object
34 35 36 37 38 39 40 41 42 43 44 |
# File 'lib/bio-table/table_apply.rb', line 34 def parse_header(line, ) header = LineParser::parse(line, [:in_format], [:split_on]) header = Formatter::strip_quotes(header) if @strip_quotes # Transform converts the header to upper/lower case header = Formatter::transform_header_ids(@transform_ids, header) if @transform_ids if [:unshift_headers] header.unshift("ID") end @logger.info(header) if @logger header end |
#parse_row(line_num, line, header, column_idx, prev_fields, options) ⇒ Object
53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 |
# File 'lib/bio-table/table_apply.rb', line 53 def parse_row(line_num, line, header, column_idx, prev_fields, ) fields = LineParser::parse(line, [:in_format], [:split_on]) return nil,nil if fields.compact == [] fields = Formatter::strip_quotes(fields) if @strip_quotes fields = Formatter::transform_row_ids(@transform_ids, fields) if @transform_ids fields = Filter::apply_column_filter(fields,column_idx) return nil,nil if fields.compact == [] rowname = fields[0] data_fields = fields[@first_column..-1] if data_fields.size > 0 return nil,nil if not Validator::valid_row?(line_num, data_fields, prev_fields) return nil,nil if not Filter::numeric(@num_filter,data_fields,header) return nil,nil if not Filter::generic(@filter,data_fields,header) (rowname, data_fields) = Rewrite::rewrite(@rewrite,rowname,data_fields) end return rowname, data_fields end |