1 files changed, 40 insertions, 0 deletions
diff --git a/sgf.g b/sgf.g
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+++ b/sgf.g
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+parser SGF:
+    ignore:	'\\s+'
+
+
+    ### Go-specific tokens: http://www.red-bean.com/sgf/go.html ###
+    token Point:	'[a-zA-Z]{2}'
+    token Move:		'[a-zA-Z]{2}'
+    token Stone:	'[a-zA-Z]{2}'
+
+    ### SGF Tokens as specified in http://www.red-bean.com/sgf/sgf4.html ###
+
+    token PropID:	'([a-z]*[A-Z]){1,2}[a-z]*'
+    token Number:	'[+-]?[0-9]+'
+    token Real:		'[+-]?[0-9]+(\\.[0-9]+)?'
+    token Color:	'(B|W)'
+    token Text:		'[^\\]]*' # In YAPPS, the longest matches take precedence, 
+			     # if they're both the same length, then the 
+			     # first one listed in the grammar is used.
+
+
+    rule GameTree:	"\\(" 			{{ res = [] }}
+			(Node 			{{ res.append(Node) }})+
+			(GameTree 		{{ res.append(GameTree) }})*
+			"\\)"			{{ return res }}
+
+    rule Node:		";"			{{ res = [] }}
+			(Property		{{ res.append(Property) }}
+			)+			{{ return dict(res) }}
+
+    rule Property:	PropID			{{ res = (PropID, []) }}
+			("\\[" ValueType "\\]"	{{ res[1].append(ValueType) }}
+			)+			{{ return res }}
+
+    rule ValueType:	Number			{{ return int(Number) }}
+			| Real			{{ return float(Real) }}
+			| Color			{{ return Color }}
+			| Move			{{ return (Move[0].islower() and ord(Move[0])-96 or ord(Move[0])-64, Move[1].islower() and ord(Move[1])-96 or ord(Move[1])-64) }}
+			| Text			{{ return Text }}
+			| '' 			{{ return None }}
+