Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 43 insertions, 0 deletions

diff --git a/docs/sphinx/qmp_lexer.py b/docs/sphinx/qmp_lexer.py
new file mode 100644
index 000000000..f7e4c0e19
--- /dev/null
+++ b/docs/sphinx/qmp_lexer.py
@@ -0,0 +1,43 @@
+# QEMU Monitor Protocol Lexer Extension
+#
+# Copyright (C) 2019, Red Hat Inc.
+#
+# Authors:
+#  Eduardo Habkost <ehabkost@redhat.com>
+#  John Snow <jsnow@redhat.com>
+#
+# This work is licensed under the terms of the GNU GPLv2 or later.
+# See the COPYING file in the top-level directory.
+"""qmp_lexer is a Sphinx extension that provides a QMP lexer for code blocks."""
+
+from pygments.lexer import RegexLexer, DelegatingLexer
+from pygments.lexers.data import JsonLexer
+from pygments import token
+from sphinx import errors
+
+class QMPExampleMarkersLexer(RegexLexer):
+    """
+    QMPExampleMarkersLexer lexes QMP example annotations.
+    This lexer adds support for directionality flow and elision indicators.
+    """
+    tokens = {
+        'root': [
+            (r'-> ', token.Generic.Prompt),
+            (r'<- ', token.Generic.Prompt),
+            (r' ?\.{3} ?', token.Generic.Prompt),
+        ]
+    }
+
+class QMPExampleLexer(DelegatingLexer):
+    """QMPExampleLexer lexes annotated QMP examples."""
+    def __init__(self, **options):
+        super(QMPExampleLexer, self).__init__(JsonLexer, QMPExampleMarkersLexer,
+                                              token.Error, **options)
+
+def setup(sphinx):
+    """For use by the Sphinx extensions API."""
+    try:
+        sphinx.require_sphinx('2.1')
+        sphinx.add_lexer('QMP', QMPExampleLexer)
+    except errors.VersionRequirementError:
+        sphinx.add_lexer('QMP', QMPExampleLexer())