Add SGF lexer

4 files changed, 89 insertions, 0 deletions

diff --git a/AUTHORS b/AUTHORS
index f9ba2675..a6a31b81 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -31,6 +31,7 @@ Other contributors, listed alphabetically, are:
 * Sébastien Bigaret -- QVT Operational lexer
 * Jarrett Billingsley -- MiniD lexer
 * Adam Blinkinsop -- Haskell, Redcode lexers
+* Stéphane Blondon -- SGF lexer
 * Frits van Bommel -- assembler lexers
 * Pierre Bourdon -- bugfixes
 * Matthias Bussonnier -- ANSI style handling for terminal-256 formatter
diff --git a/pygments/lexers/sgf.py b/pygments/lexers/sgf.py
new file mode 100644
index 00000000..8dd9beaa
--- /dev/null
+++ b/pygments/lexers/sgf.py
@@ -0,0 +1,52 @@
+# -*- coding: utf-8 -*-
+"""
+    pygments.lexers.sgf
+    ~~~~~~~~~~~~~~~~~~~~
+
+    Lexer for Smart Game Format (sgf) file format.
+
+    The format is used to store game records of board games for two players
+    (mainly Go game).
+    For more information about the definition of the format, see:
+    https://www.red-bean.com/sgf/
+
+    :copyright: Copyright 2006-2018 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pygments.lexer import RegexLexer, bygroups
+from pygments.token import *
+
+__all__ = ["SmartGameFormatLexer"]
+
+
+class SmartGameFormatLexer(RegexLexer):
+    name = 'SmartGameFormat'
+    aliases = ['sgf']
+    filenames = ['*.sgf']
+
+    tokens = {
+        'root': [
+            (r'([\(\):;\s])', Punctuation),
+            # tokens:
+            (r'(A[BW]|AE|AN|AP|AR|AS|[BW]L|BM|[BW]R|[BW]S|[BW]T|CA|CH|CP|CR|DD|DM|DO|DT|EL|EV|EX|FF|FG|G[BW]|GC|GM|GN|HA|HO|ID|IP|IT|IY|KM|KO|L|LB|LN|LT|M|MA|MN|N|OB|OM|ON|OP|OT|OV|P[BW]|PC|PL|PM|RE|RG|RO|RU|SO|SC|SE|SI|SL|SO|SQ|ST|SU|SZ|T[BW]|TC|TE|TM|TR|UC|US|V|VW|[BW]|C)',
+             Name.Builtin),
+            # number:
+            (r'(\[)([0-9.]+)(\])',
+             bygroups(Punctuation, Literal.Number, Punctuation)),
+            # date:
+            (r'(\[)([0-9]{4}-[0-9]{2}-[0-9]{2})(\])',
+             bygroups(Punctuation, Literal.Date, Punctuation)),
+            # point:
+            (r'(\[)([a-z]{2})(\])',
+             bygroups(Punctuation, String, Punctuation)),
+            # double points:
+            (r'(\[)([a-z]{2})(:)([a-z]{2})(\])',
+             bygroups(Punctuation, String, Punctuation, String, Punctuation)),
+
+            (r'(\[)([\w\s\(\)\.\-\:,\#\+\?]+)(\])',
+             bygroups(Punctuation, String, Punctuation)),
+            (r'(\[)(\s.*)(\])',
+             bygroups(Punctuation, Text, Punctuation)),
+       ],
+    }
diff --git a/pygments/lexers/text.py b/pygments/lexers/text.py
index 9b3b5fea..bb1dccf2 100644
--- a/pygments/lexers/text.py
+++ b/pygments/lexers/text.py
@@ -18,6 +18,7 @@ from pygments.lexers.markup import BBCodeLexer, MoinWikiLexer, RstLexer, \
 from pygments.lexers.installers import DebianControlLexer, SourcesListLexer
 from pygments.lexers.make import MakefileLexer, BaseMakefileLexer, CMakeLexer
 from pygments.lexers.haxe import HxmlLexer
+from pygments.lexers.sgf import SmartGameFormatLexer
 from pygments.lexers.diff import DiffLexer, DarcsPatchLexer
 from pygments.lexers.data import YamlLexer
 from pygments.lexers.textfmts import IrcLogsLexer, GettextLexer, HttpLexer
diff --git a/tests/examplefiles/example.sgf b/tests/examplefiles/example.sgf
new file mode 100644
index 00000000..024a461e
--- /dev/null
+++ b/tests/examplefiles/example.sgf
@@ -0,0 +1,35 @@
+(;FF[4]GM[1]SZ[19]FG[257:Figure 1]PM[1]
+PB[Takemiya Masaki]BR[9 dan]PW[Cho Chikun]
+WR[9 dan]RE[W+Resign]KM[5.5]TM[28800]DT[1996-10-18,19]
+EV[21st Meijin]RO[2 (final)]SO[Go World #78]US[Arno Hollosi]
+;B[pd];W[dp];B[pp];W[dd];B[pj];W[nc];B[oe];W[qc];B[pc];W[qd]
+(;B[qf];W[rf];B[rg];W[re];B[qg];W[pb];B[ob];W[qb]
+(;B[mp];W[fq];B[ci];W[cg];B[dl];W[cn];B[qo];W[ec];B[jp];W[jd]
+;B[ei];W[eg];B[kk]LB[qq:a][dj:b][ck:c][qp:d]N[Figure 1]
+
+;W[me]FG[257:Figure 2];B[kf];W[ke];B[lf];W[jf];B[jg]
+(;W[mf];B[if];W[je];B[ig];W[mg];B[mj];W[mq];B[lq];W[nq]
+(;B[lr];W[qq];B[pq];W[pr];B[rq];W[rr];B[rp];W[oq];B[mr];W[oo];B[mn]
+(;W[nr];B[qp]LB[kd:a][kh:b]N[Figure 2]
+
+;W[pk]FG[257:Figure 3];B[pm];W[oj];B[ok];W[qr];B[os];W[ol];B[nk];W[qj]
+;B[pi];W[pl];B[qm];W[ns];B[sr];W[om];B[op];W[qi];B[oi]
+(;W[rl];B[qh];W[rm];B[rn];W[ri];B[ql];W[qk];B[sm];W[sk];B[sh];W[og]
+;B[oh];W[np];B[no];W[mm];B[nn];W[lp];B[kp];W[lo];B[ln];W[ko];B[mo]
+;W[jo];B[km]N[Figure 3])
+
+(;W[ql]VW[ja:ss]FG[257:Dia. 6]MN[1];B[rm];W[ph];B[oh];W[pg];B[og];W[pf]
+;B[qh];W[qe];B[sh];W[of];B[sj]TR[oe][pd][pc][ob]LB[pe:a][sg:b][si:c]
+N[Diagram 6]))
+
+(;W[no]VW[jj:ss]FG[257:Dia. 5]MN[1];B[pn]N[Diagram 5]))
+
+(;B[pr]FG[257:Dia. 4]MN[1];W[kq];B[lp];W[lr];B[jq];W[jr];B[kp];W[kr];B[ir]
+;W[hr]LB[is:a][js:b][or:c]N[Diagram 4]))
+
+(;W[if]FG[257:Dia. 3]MN[1];B[mf];W[ig];B[jh]LB[ki:a]N[Diagram 3]))
+
+(;W[oc]VW[aa:sk]FG[257:Dia. 2]MN[1];B[md];W[mc];B[ld]N[Diagram 2]))
+
+(;B[qe]VW[aa:sj]FG[257:Dia. 1]MN[1];W[re];B[qf];W[rf];B[qg];W[pb];B[ob]
+;W[qb]LB[rg:a]N[Diagram 1]))