Module: RBeautify
- Defined in:
- ext/ae-editor/lib/rbeautify.rb
Constant Summary collapse
- TabStr =
user-customizable values
" "
- TabSize =
2
- IndentExp =
indent regexp tests
[ /^module\b/, /^class\b/, /^if\b/, /(=\s*|^)until\b/, /(=\s*|^)for\b/, /^unless\b/, /(=\s*|^)while\b/, /(=\s*|^)begin\b/, /(^| )case\b/, /\bthen\b/, /^rescue\b/, /^def\b/, /\bdo\b/, /^else\b/, /^elsif\b/, /^ensure\b/, /\bwhen\b/, /\{[^\}]*$/, /\[[^\]]*$/ ]
- OutdentExp =
outdent regexp tests
[ /^rescue\b/, /^ensure\b/, /^elsif\b/, /^end\b/, /^else\b/, /\bwhen\b/, /^[^\{]*\}/, /^[^\[]*\]/ ]
Class Method Summary collapse
-
.beautify_file(path) ⇒ Object
beautify_string.
- .beautify_string(source, path = "") ⇒ Object
-
.main ⇒ Object
beautify_file.
- .rb_add_line(line, tab) ⇒ Object
- .rb_make_tab(tab) ⇒ Object
Class Method Details
.beautify_file(path) ⇒ Object
beautify_string
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# File 'ext/ae-editor/lib/rbeautify.rb', line 186 def RBeautify.beautify_file(path) error = false if(path == '-') # stdin source source = STDIN.read dest,error = beautify_string(source,"stdin") print dest else # named file source source = File.read(path) dest,error = beautify_string(source,path) if(source != dest) # make a backup copy File.open(path + "~","w") { |f| f.write(source) } # overwrite the original File.open(path,"w") { |f| f.write(dest) } end end return error end |
.beautify_string(source, path = "") ⇒ Object
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# File 'ext/ae-editor/lib/rbeautify.rb', line 81 def RBeautify.beautify_string(source, path = "") comment_block = false in_here_doc = false here_doc_term = "" program_end = false multiLine_array = [] multiLine_str = "" tab = 0 output = [] source.each do |line| line.chomp! if(!program_end) # detect program end mark if(line =~ /^__END__$/) program_end = true else # combine continuing lines if(!(line =~ /^\s*#/) && line =~ /[^\\]\\\s*$/) multiLine_array.push line multiLine_str += line.sub(/^(.*)\\\s*$/,"\\1") next end # add final line if(multiLine_str.length > 0) multiLine_array.push line multiLine_str += line.sub(/^(.*)\\\s*$/,"\\1") end tline = ((multiLine_str.length > 0)?multiLine_str:line).strip if(tline =~ /^=begin/) comment_block = true end if(in_here_doc) in_here_doc = false if tline =~ %r{\s*#{here_doc_term}\s*} else # not in here_doc if tline =~ %r{=\s*<<} here_doc_term = tline.sub(%r{.*=\s*<<-?\s*([_|\w]+).*},"\\1") in_here_doc = here_doc_term.size > 0 end end end end if(comment_block || program_end || in_here_doc) # add the line unchanged output << line else comment_line = (tline =~ /^#/) if(!comment_line) # throw out sequences that will # only sow confusion while tline.gsub!(/\{[^\{]*?\}/,"") end while tline.gsub!(/\[[^\[]*?\]/,"") end while tline.gsub!(/'.*?'/,"") end while tline.gsub!(/".*?"/,"") end while tline.gsub!(/\`.*?\`/,"") end while tline.gsub!(/\([^\(]*?\)/,"") end while tline.gsub!(/\/.*?\//,"") end while tline.gsub!(/%r(.).*?\1/,"") end # delete end-of-line comments tline.sub!(/#[^\"]+$/,"") # convert quotes tline.gsub!(/\\\"/,"'") OutdentExp.each do |re| if(tline =~ re) tab -= 1 break end end end if (multiLine_array.length > 0) multiLine_array.each do |ml| output << rb_add_line(ml,tab) end multiLine_array.clear multiLine_str = "" else output << rb_add_line(line,tab) end if(!comment_line) IndentExp.each do |re| if(tline =~ re && !(tline =~ /\s+end\s*$/)) tab += 1 break end end end end if(tline =~ /^=end/) comment_block = false end end error = (tab != 0) STDERR.puts "Error: indent/outdent mismatch: #{tab}." if error return output.join("\n") + "\n",error end |
.main ⇒ Object
beautify_file
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# File 'ext/ae-editor/lib/rbeautify.rb', line 205 def RBeautify.main error = false if(!ARGV[0]) STDERR.puts "usage: Ruby filenames or \"-\" for stdin." exit 0 end ARGV.each do |path| error = (beautify_file(path))?true:error end error = (error)?1:0 exit error end |
.rb_add_line(line, tab) ⇒ Object
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# File 'ext/ae-editor/lib/rbeautify.rb', line 75 def RBeautify.rb_add_line(line,tab) line.strip! line = rb_make_tab(tab) + line if line.length > 0 return line end |