Class | Bio::FlatFileIndex::FileID |
In: |
lib/bio/io/flatfile/index.rb
|
Parent: | Object |
FileID class.
Internal use only.
filename | [R] | |
filesize | [R] |
# File lib/bio/io/flatfile/index.rb, line 495 495: def initialize(filename, filesize = nil) 496: @filename = filename 497: @filesize = filesize 498: @io = nil 499: end
# File lib/bio/io/flatfile/index.rb, line 489 489: def self.new_from_string(str) 490: a = str.split("\t", 2) 491: a[1] = a[1].to_i if a[1] 492: self.new(a[0], a[1]) 493: end
# File lib/bio/io/flatfile/index.rb, line 502 502: def check 503: begin 504: fsize = File.size(@filename) 505: r = ( fsize == @filesize) 506: rescue Errno::ENOENT 507: fsize = -1 508: r = nil 509: end 510: DEBUG.print "FileID: File.size(#{@filename.inspect}) = ", 511: fsize, (r ? ' == ' : ' != ') , @filesize, 512: (r ? '' : ' bad!'), "\n" 513: r 514: end
# File lib/bio/io/flatfile/index.rb, line 540 540: def close 541: if @io then 542: DEBUG.print "FileID: close #{@filename}\n" 543: @io.close 544: @io = nil 545: nil 546: else 547: true 548: end 549: end
# File lib/bio/io/flatfile/index.rb, line 559 559: def get(pos, length) 560: open 561: seek(pos, IO::SEEK_SET) 562: data = read(length) 563: close 564: data 565: end
# File lib/bio/io/flatfile/index.rb, line 530 530: def open 531: unless @io then 532: DEBUG.print "FileID: open #{@filename}\n" 533: @io = File.open(@filename, 'rb') 534: true 535: else 536: nil 537: end 538: end
# File lib/bio/io/flatfile/index.rb, line 516 516: def recalc 517: @filesize = File.size(@filename) 518: end