Class: StringParser
- Inherits:
-
Object
- Object
- StringParser
- Defined in:
- lib/rsyntaxtree/string_parser.rb
Instance Attribute Summary collapse
-
#data ⇒ Object
Returns the value of attribute data.
-
#elist ⇒ Object
Returns the value of attribute elist.
-
#id ⇒ Object
Returns the value of attribute id.
-
#level ⇒ Object
Returns the value of attribute level.
-
#pos ⇒ Object
Returns the value of attribute pos.
-
#tncnt ⇒ Object
Returns the value of attribute tncnt.
Instance Method Summary collapse
- #auto_subscript ⇒ Object
- #count_node(name) ⇒ Object
- #get_elementlist ⇒ Object
- #get_next_token ⇒ Object
-
#initialize(str) ⇒ StringParser
constructor
A new instance of StringParser.
- #make_tree(parent) ⇒ Object
- #parse ⇒ Object
-
#valid? ⇒ Boolean
caution: quick and dirty solution.
Constructor Details
#initialize(str) ⇒ StringParser
Returns a new instance of StringParser.
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# File 'lib/rsyntaxtree/string_parser.rb', line 50 def initialize(str) # Clean up the data a little to make processing easier string = str.gsub(/\t/, "") string.gsub!(/\s+/, " ") string.gsub!(/\] \[/, "][") string.gsub!(/ \[/, "[") @data = string # Store it for later... @elist = ElementList.new # Initialize internal element list @pos = 0 # Position in the sentence @id = 1 # ID for the next element @level = 0 # Level in the diagram @tncnt = Hash.new # Node type counts end |
Instance Attribute Details
#data ⇒ Object
Returns the value of attribute data.
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# File 'lib/rsyntaxtree/string_parser.rb', line 49 def data @data end |
#elist ⇒ Object
Returns the value of attribute elist.
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# File 'lib/rsyntaxtree/string_parser.rb', line 49 def elist @elist end |
#id ⇒ Object
Returns the value of attribute id.
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# File 'lib/rsyntaxtree/string_parser.rb', line 49 def id @id end |
#level ⇒ Object
Returns the value of attribute level.
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# File 'lib/rsyntaxtree/string_parser.rb', line 49 def level @level end |
#pos ⇒ Object
Returns the value of attribute pos.
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# File 'lib/rsyntaxtree/string_parser.rb', line 49 def pos @pos end |
#tncnt ⇒ Object
Returns the value of attribute tncnt.
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# File 'lib/rsyntaxtree/string_parser.rb', line 49 def tncnt @tncnt end |
Instance Method Details
#auto_subscript ⇒ Object
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# File 'lib/rsyntaxtree/string_parser.rb', line 106 def auto_subscript elements = @elist.get_elements tmpcnt = Hash.new elements.each do |element| if(element.type == ETYPE_NODE) count = 1 content = element.content if @tncnt[content] count = @tncnt[content] end if(count > 1) if tmpcnt[content] tmpcnt[content] += 1 else tmpcnt[content] = 1 end element.content += ("_" + tmpcnt[content].to_s) end end end @tncnt end |
#count_node(name) ⇒ Object
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# File 'lib/rsyntaxtree/string_parser.rb', line 133 def count_node(name) name = name.strip if @tncnt[name] @tncnt[name] += 1 else @tncnt[name] = 1 end end |
#get_elementlist ⇒ Object
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# File 'lib/rsyntaxtree/string_parser.rb', line 102 def get_elementlist @elist; end |
#get_next_token ⇒ Object
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# File 'lib/rsyntaxtree/string_parser.rb', line 142 def get_next_token data = @data.split(//) gottoken = false token = "" i = 0 if((@pos + 1) >= data.length) return "" end while(((@pos + i) < data.length) && !gottoken) ch = data[@pos + i]; case ch when "[" if(i > 0) gottoken = true else token += ch end when "]" if(i == 0 ) token += ch end gottoken = true when /[\n\r]/ gottoken = false # same as do nothing else token += ch end i += 1 end if(i > 1) @pos += (i - 1) else @pos += 1 end return token end |
#make_tree(parent) ⇒ Object
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# File 'lib/rsyntaxtree/string_parser.rb', line 182 def make_tree(parent) token = get_next_token.strip parts = Array.new while(token != "" && token != "]" ) token_r = token.split(//) case token_r[0] when "[" tl = token_r.length token_r = token_r[1, tl - 1] spaceat = token_r.index(" ") newparent = -1 if spaceat parts[0] = token_r[0, spaceat].join tl =token_r.length parts[1] = token_r[spaceat, tl - spaceat].join element = Element.new(@id, parent, parts[0], @level) @id += 1 @elist.add(element) newparent = element.id count_node(parts[0]) element = Element.new(@id, @id - 1, parts[1], @level + 1 ) @id += 1 @elist.add(element) else element = Element.new(@id, parent, token_r.join, @level) @id += 1 newparent = element.id @elist.add(element) count_node(token_r.join) end @level += 1 make_tree(newparent) else if token.strip != "" element = Element.new(@id, parent, token, @level) @id += 1 @elist.add(element) count_node(token) end end token = get_next_token end @level -= 1 end |
#parse ⇒ Object
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# File 'lib/rsyntaxtree/string_parser.rb', line 98 def parse make_tree(0); end |
#valid? ⇒ Boolean
caution: quick and dirty solution
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# File 'lib/rsyntaxtree/string_parser.rb', line 66 def valid? if(@data.length < 1) return false end if /\A\s*\[.+ .+\]\s*\z/ !~ @data return false end text = @data.strip text_r = text.split(//) open_br, close_br = [], [] text_r.each do |chr| if chr == '[' open_br.push(chr) elsif chr == ']' close_br.push(chr) if open_br.length < close_br.length break end end end return false unless open_br.length == close_br.length make_tree(0) return false if @tncnt.empty? @tncnt.each do |key, value| return false if key == "" end return true end |