TOPAS syntax highlighting for included parameter files and snippets

.gitignore

@@ -1 +1,2 @@
 .build
+__pycache__

.templates/layout.html

@@ -0,0 +1,5 @@
+{# layout.html #}
+{# Import the theme's layout. #}
+{% extends "!layout.html" %}
+
+{% set css_files = css_files + ['_static/pygments.css'] %}

conf.py

@@ -95,7 +95,10 @@
 #show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'emacs'
+
+# The default language used to highlight source code
+highlight_language = 'topas'
 
 # A list of ignored prefixes for module index sorting.
 #modindex_common_prefix = []
@@ -362,3 +365,11 @@
 
 # If false, no index is generated.
 #epub_use_index = True
+
+def setup(sphinx):
+    sys.path.insert(0, os.path.abspath('./util'))
+    from topas_lexer import TopasLexer
+    sphinx.add_lexer("topas", TopasLexer())
+
+    from pygments.styles import STYLE_MAP
+    print(sorted(STYLE_MAP.keys()))

util/topas_lexer.py

@@ -0,0 +1,30 @@
+from pygments.lexer import RegexLexer, bygroups
+from pygments.token import *
+
+__all__ = ['TopasLexer']
+
+
+class TopasLexer(RegexLexer):
+
+    name = 'TOPAS'
+    aliases = ['topas']
+    filenames = ['*.txt']
+
+    tokens = {
+        'root': [
+            (r'#.*$', Comment),
+            (r'(?i)(includefile|inheritedvalue)', Keyword.Namespace),
+            (r'^([bidus]v?)(:)', bygroups(Keyword.Type, Text)),
+            (r'(?i)(ma|el|is|ge|gr|ph|so|sc|tf|ts|vr)([/\w]*/)([\w]+)',
+                bygroups(Name.Class, Name.Class, Name.Variable)),
+            (r'"(?i)(true|false|t|f|1|0)"', Keyword.Constant),
+            (r'"', String, 'string'),
+            (r'(?<!\w)[-+]?(\d+(\.\d*)?|\.\d+)([eE][-+]?\d+)?', Number),
+            (r'[=+*-]', Operator),
+            (r'.', Text),
+        ],
+        'string': [
+            ('[^"]+', String),
+            ('"', String, '#pop'),
+        ]
+    }