class TracLang::Block
Class for storing forms under their names.
Public Class Methods
delete(filename)
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Deletes given file.
# File lib/trac_lang/block.rb, line 36 def self.delete(filename) begin File.delete(filename) rescue Errno::ENOENT # ignore non-existant file end end
read(filename, dispatch)
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Reads block from the given file. The file may have any valid TRAC commands in it, as well as ordinary text, which will be ignored. The options for trace and savedir will be inherited from the Dispatch
calling this method.
# File lib/trac_lang/block.rb, line 12 def self.read(filename, dispatch) Executor.new(dispatch).load_file(filename) end
write(filename, bindings)
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Writes block to the given file. Block
is written with the following:
-
Version of the TRAC Language processor
-
Current time
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#(DS) commands for each bound form
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#(SS) commands for each bound form that has segments
-
A mix of #(CN) and #(CS) commands to position the form pointer
# File lib/trac_lang/block.rb, line 22 def self.write(filename, bindings) begin File.open(filename, "w") do |f| f.puts "TRAC Lang Version #{VERSION}" f.puts "Saved: #{Time.now}" f.puts bindings.each { |name, form| f.puts(form.to_trac(name)) if form } end rescue # do nothing if file open fails end end