Add TOML example file and improve the lexer a bit.

2 files changed, 23 insertions, 1 deletions

diff --git a/pygments/lexers/configs.py b/pygments/lexers/configs.py
index 7c9bd655..bf9cb0bb 100644
--- a/pygments/lexers/configs.py
+++ b/pygments/lexers/configs.py
@@ -894,12 +894,19 @@ class TOMLLexer(RegexLexer):
             # Basics, comments, strings
             (r'\s+', Text),
             (r'#.*?$', Comment.Single),
+            # Basic string
             (r'"(\\\\|\\"|[^"])*"', String),
+            # Literal string
+            (r'\'[^\']*\'', String),
             (r'(true|false)$', Keyword.Constant),
             ('[a-zA-Z_][a-zA-Z0-9_\-]*', Name),
 
+            (r'\[.*?\]$', Keyword),
+
             # Datetime
-            (r'\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}Z', Number.Integer),
+            # TODO this needs to be expanded, as TOML is rather flexible:
+            # https://github.com/toml-lang/toml#offset-date-time
+            (r'\d{4}-\d{2}-\d{2}(?:T| )\d{2}:\d{2}:\d{2}(?:Z|[-+]\d{2}:\d{2})', Number.Integer),
 
             # Numbers
             (r'(\d+\.\d*|\d*\.\d+)([eE][+-]?[0-9]+)?j?', Number.Float),
diff --git a/tests/examplefiles/example.toml b/tests/examplefiles/example.toml
new file mode 100644
index 00000000..40832c22
--- /dev/null
+++ b/tests/examplefiles/example.toml
@@ -0,0 +1,15 @@
+name = "TOML sample file"
+
+[section]
+key = "value"
+literal_string = 'C:\test'
+other_string = '''value'''
+list = [1, 2, 3]
+nested_list = [ [1, 2], [3, 4] ]
+float_variable = 13.37
+
+  [section.nested]
+  boolean_variable = false
+  date_variable = 1969-97-24T16:50:35-00:00
+
+# Comment
\ No newline at end of file