Class: ERB::Compiler
- Inherits:
-
Object
- Object
- ERB::Compiler
- Defined in:
- lib/erb.rb
Overview
:nodoc:
Defined Under Namespace
Classes: Buffer, PercentLine, Scanner, SimpleScanner, TrimScanner
Instance Attribute Summary collapse
-
#insert_cmd ⇒ Object
Returns the value of attribute insert_cmd.
-
#percent ⇒ Object
readonly
Returns the value of attribute percent.
-
#post_cmd ⇒ Object
Returns the value of attribute post_cmd.
-
#pre_cmd ⇒ Object
Returns the value of attribute pre_cmd.
-
#put_cmd ⇒ Object
Returns the value of attribute put_cmd.
-
#trim_mode ⇒ Object
readonly
Returns the value of attribute trim_mode.
Instance Method Summary collapse
- #compile(s) ⇒ Object
- #content_dump(s) ⇒ Object
-
#initialize(trim_mode) ⇒ Compiler
constructor
A new instance of Compiler.
- #make_scanner(src) ⇒ Object
- #prepare_trim_mode(mode) ⇒ Object
Constructor Details
#initialize(trim_mode) ⇒ Compiler
Returns a new instance of Compiler.
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# File 'lib/erb.rb', line 584 def initialize(trim_mode) @percent, @trim_mode = prepare_trim_mode(trim_mode) @put_cmd = 'print' @insert_cmd = @put_cmd @pre_cmd = [] @post_cmd = [] end |
Instance Attribute Details
#insert_cmd ⇒ Object
Returns the value of attribute insert_cmd
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# File 'lib/erb.rb', line 592 def insert_cmd @insert_cmd end |
#percent ⇒ Object (readonly)
Returns the value of attribute percent
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# File 'lib/erb.rb', line 591 def percent @percent end |
#post_cmd ⇒ Object
Returns the value of attribute post_cmd
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# File 'lib/erb.rb', line 592 def post_cmd @post_cmd end |
#pre_cmd ⇒ Object
Returns the value of attribute pre_cmd
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# File 'lib/erb.rb', line 592 def pre_cmd @pre_cmd end |
#put_cmd ⇒ Object
Returns the value of attribute put_cmd
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# File 'lib/erb.rb', line 592 def put_cmd @put_cmd end |
#trim_mode ⇒ Object (readonly)
Returns the value of attribute trim_mode
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# File 'lib/erb.rb', line 591 def trim_mode @trim_mode end |
Instance Method Details
#compile(s) ⇒ Object
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# File 'lib/erb.rb', line 495 def compile(s) out = Buffer.new(self) content = '' scanner = make_scanner(s) scanner.scan do |token| next if token.nil? next if token == '' if scanner.stag.nil? case token when PercentLine out.push("#{@put_cmd} #{content_dump(content)}") if content.size > 0 content = '' out.push(token.to_s) out.cr when :cr out.cr when '<%', '<%=', '<%#' scanner.stag = token out.push("#{@put_cmd} #{content_dump(content)}") if content.size > 0 content = '' when "\n" content << "\n" out.push("#{@put_cmd} #{content_dump(content)}") content = '' when '<%%' content << '<%' else content << token end else case token when '%>' case scanner.stag when '<%' if content[-1] == ?\n content.chop! out.push(content) out.cr else out.push(content) end when '<%=' out.push("#{@insert_cmd}((#{content}).to_s)") when '<%#' # out.push("# #{content_dump(content)}") end scanner.stag = nil content = '' when '%%>' content << '%>' else content << token end end end out.push("#{@put_cmd} #{content_dump(content)}") if content.size > 0 out.close out.script end |
#content_dump(s) ⇒ Object
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# File 'lib/erb.rb', line 486 def content_dump(s) n = s.count("\n") if n > 0 s.dump + "\n" * n else s.dump end end |
#make_scanner(src) ⇒ Object
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# File 'lib/erb.rb', line 580 def make_scanner(src) Scanner.make_scanner(src, @trim_mode, @percent) end |
#prepare_trim_mode(mode) ⇒ Object
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# File 'lib/erb.rb', line 556 def prepare_trim_mode(mode) case mode when 1 return [false, '>'] when 2 return [false, '<>'] when 0 return [false, nil] when String perc = mode.include?('%') if mode.include?('-') return [perc, '-'] elsif mode.include?('<>') return [perc, '<>'] elsif mode.include?('>') return [perc, '>'] else [perc, nil] end else return [false, nil] end end |