Class: HParser::Util::LineScanner
- Inherits:
-
Object
- Object
- HParser::Util::LineScanner
- Defined in:
- lib/hparser/util/line_scanner.rb
Overview
StringScanner like class
Instance Attribute Summary collapse
-
#matched ⇒ Object
readonly
Returns the value of attribute matched.
-
#matched_pattern ⇒ Object
readonly
Returns the value of attribute matched_pattern.
Instance Method Summary collapse
-
#initialize(lines) ⇒ LineScanner
constructor
A new instance of LineScanner.
- #match?(exp) ⇒ Boolean
- #scan(exp) ⇒ Object
- #skip(exp) ⇒ Object
Constructor Details
#initialize(lines) ⇒ LineScanner
Returns a new instance of LineScanner.
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# File 'lib/hparser/util/line_scanner.rb', line 9 def initialize(lines) @lines = lines end |
Instance Attribute Details
#matched ⇒ Object (readonly)
Returns the value of attribute matched.
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# File 'lib/hparser/util/line_scanner.rb', line 8 def matched @matched end |
#matched_pattern ⇒ Object (readonly)
Returns the value of attribute matched_pattern.
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# File 'lib/hparser/util/line_scanner.rb', line 8 def matched_pattern @matched_pattern end |
Instance Method Details
#match?(exp) ⇒ Boolean
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# File 'lib/hparser/util/line_scanner.rb', line 30 def match?(exp) if @lines == [] then false elsif exp.class == Regexp and (@matched_pattern = @lines[0].match(exp)) then true elsif @lines[0] == exp true else false end end |
#scan(exp) ⇒ Object
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# File 'lib/hparser/util/line_scanner.rb', line 13 def scan(exp) @matched_pattern = nil if match?(exp) then @matched = @lines.shift else nil end end |
#skip(exp) ⇒ Object
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# File 'lib/hparser/util/line_scanner.rb', line 22 def skip(exp) if match?(exp) then @lines.shift else nil end end |