Module: Packcr::Util
- Included in:
- Packcr
- Defined in:
- lib/packcr/util.rb
Instance Method Summary collapse
- #dump_escaped_string(str) ⇒ Object
- #dump_integer_value(value) ⇒ Object
- #escape_character(c) ⇒ Object
- #escape_string(str) ⇒ Object
- #format_code(result, indent: 0, unwrap: false) ⇒ Object
- #template(path, b, indent: 0, unwrap: false) ⇒ Object
- #unescape_string(str, is_charclass) ⇒ Object
- #unify_indent_spaces(spaces) ⇒ Object
Instance Method Details
#dump_escaped_string(str) ⇒ Object
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# File 'lib/packcr/util.rb', line 54 def dump_escaped_string(str) if !str $stdout.print "null" return end $stdout.print escape_string(str) end |
#dump_integer_value(value) ⇒ Object
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# File 'lib/packcr/util.rb', line 46 def dump_integer_value(value) if value.nil? $stdout.print "void" else $stdout.print value end end |
#escape_character(c) ⇒ Object
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# File 'lib/packcr/util.rb', line 27 def escape_character(c) escape_string(c.chr) end |
#escape_string(str) ⇒ Object
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# File 'lib/packcr/util.rb', line 31 def escape_string(str) str = str.b str.gsub(/(\0+)|(\e+)|("+)|('+)|(\\+)|((?:(?![\0\e"'\\])[ -~])+)|([\x01-\x1a\x1c-\x1f\x7f-\xff]+)/n) do n = ::Regexp.last_match(0).size next "\\0" * n if ::Regexp.last_match(1) next "\\x1b" * n if ::Regexp.last_match(2) next "\\\"" * n if ::Regexp.last_match(3) next "\\'" * n if ::Regexp.last_match(4) next "\\\\" * n if ::Regexp.last_match(5) next ::Regexp.last_match(6) if ::Regexp.last_match(6) ::Regexp.last_match(7).dump[1..-2].downcase end end |
#format_code(result, indent: 0, unwrap: false) ⇒ Object
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# File 'lib/packcr/util.rb', line 82 def format_code(result, indent: 0, unwrap: false) if unwrap result.gsub!(/\A\{|\}\z/, "") indent -= 4 end result.gsub!(/^(?!$)/, " " * indent) result.gsub!(/^( *?) {0,4}<<<</) { ::Regexp.last_match(1) } result end |
#template(path, b, indent: 0, unwrap: false) ⇒ Object
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# File 'lib/packcr/util.rb', line 74 def template(path, b, indent: 0, unwrap: false) template_path = File.join(File.dirname(__FILE__), "templates", path) erb = ERB.new(File.read(template_path), trim_mode: "%-") erb.filename = template_path result = erb.result(b) format_code(result, indent: indent, unwrap: unwrap) end |
#unescape_string(str, is_charclass) ⇒ Object
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# File 'lib/packcr/util.rb', line 5 def unescape_string(str, is_charclass) if is_charclass str.gsub!("\\" * 2) { "\\" * 4 } end str.gsub!("\"") { "\\\"" } str.gsub!(/\\(.)/) do c = ::Regexp.last_match(1) case c when "0" "\\x00" when "'" c else "\\#{c}" end end str.gsub!(/[^\x00-\x7f]/) do format("\\x%02x", ::Regexp.last_match(0).ord) end str.replace "\"#{str}\"".undump end |
#unify_indent_spaces(spaces) ⇒ Object
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# File 'lib/packcr/util.rb', line 62 def unify_indent_spaces(spaces) offset = 0 spaces.tr!("\v\f", " ") spaces.gsub!(/\t+/) do chars = ::Regexp.last_match.pre_match.length o = (8 * ::Regexp.last_match(0).length) - ((offset + chars) % 8) offset = (7 - chars) % 8 " " * o end spaces end |