# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1670799482 -3600
# Node ID 7a05ff0ee28dd011df882d95e817f10fa491b145
# Parent  171156732536d47db20722427dc2ffe20a33df2e
Added non-breaking space syntax.

diff -r 171156732536 -r 7a05ff0ee28d moinformat/parsers/moin.py
--- a/moinformat/parsers/moin.py	Fri Jun 03 21:54:37 2022 +0200
+++ b/moinformat/parsers/moin.py	Sun Dec 11 23:58:02 2022 +0100
@@ -3,7 +3,7 @@
 """
 Moin wiki format parser.
 
-Copyright (C) 2017, 2018, 2019, 2020 Paul Boddie <paul@boddie.org.uk>
+Copyright (C) 2017, 2018, 2019, 2020, 2022 Paul Boddie <paul@boddie.org.uk>
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -38,11 +38,11 @@
 from moinformat.tree.moin import Anchor, Break, Comment, DefItem, DefTerm, \
                                  Directive, FontStyle, Heading, Larger, \
                                  LineBreak, Link, LinkLabel, LinkParameter, \
-                                 List, ListItem, Macro, Monospace, Region, \
-                                 Rule, Smaller, Strikethrough, Subscript, \
-                                 Superscript, Table, TableAttr, TableAttrs, \
-                                 TableCell, TableRow, Text, Transclusion, \
-                                 Underline, Verbatim
+                                 List, ListItem, Macro, Monospace, \
+                                 NonBreakingSpace, Region, Rule, Smaller, \
+                                 Strikethrough, Subscript, Superscript, Table, \
+                                 TableAttr, TableAttrs, TableCell, TableRow, \
+                                 Text, Transclusion, Underline, Verbatim
 
 # Link parsing.
 
@@ -648,6 +648,9 @@
 
         self.root.macros.append(macro)
 
+    def parse_nbsp(self, region):
+        region.append_inline(NonBreakingSpace())
+
     def parse_verbatim(self, region):
         text = self.match_group("verbatim")
         region.append_inline(Verbatim(text))
@@ -828,6 +831,8 @@
                                                r"\)"))),                        # ) (optional)
                                 ">>")),                                         # >>
 
+        "nbsp"          : r"\\_",                                               # \_
+
         "verbatim"      : join(("<<<",                                          # <<<
                                 group("verbatim", r"\P*?"),                     # ...
                                 ">>>")),
@@ -924,7 +929,7 @@
 
     inline_without_links_pattern_names = [
         "anchor", "fontstyle", "larger", "linebreak", "macro",
-        "monospace", "regionstart", "smaller", "strike", "sub", "super",
+        "monospace", "nbsp", "regionstart", "smaller", "strike", "sub", "super",
         "underline", "verbatim"
         ]
 
@@ -989,6 +994,7 @@
         "linkend" : end_region,
         "linksep" : end_region,
         "macro" : parse_macro,
+        "nbsp" : parse_nbsp,
         "listitemend" : end_region,
         "listitem" : parse_listitem,
         "listitem_alpha" : parse_listitem,
diff -r 171156732536 -r 7a05ff0ee28d moinformat/serialisers/html/moin.py
--- a/moinformat/serialisers/html/moin.py	Fri Jun 03 21:54:37 2022 +0200
+++ b/moinformat/serialisers/html/moin.py	Sun Dec 11 23:58:02 2022 +0100
@@ -331,6 +331,9 @@
             key, value = key_value
             self.out("%s='%s'" % (key, escape_attr(value)))
 
+    def nbsp(self):
+        self.out("&nbsp;")
+
     def rule(self, height):
         self.out("<hr style='height: %dpt' />" % min(height, 10))
 
diff -r 171156732536 -r 7a05ff0ee28d moinformat/serialisers/moin/moin.py
--- a/moinformat/serialisers/moin/moin.py	Fri Jun 03 21:54:37 2022 +0200
+++ b/moinformat/serialisers/moin/moin.py	Sun Dec 11 23:58:02 2022 +0100
@@ -211,6 +211,9 @@
         else:
             self.out("=".join(key_value))
 
+    def nbsp(self):
+        self.out(r"\_")
+
     def rule(self, height):
         self.out("-" * (height + 4))
 
diff -r 171156732536 -r 7a05ff0ee28d moinformat/tree/moin.py
--- a/moinformat/tree/moin.py	Fri Jun 03 21:54:37 2022 +0200
+++ b/moinformat/tree/moin.py	Sun Dec 11 23:58:02 2022 +0100
@@ -3,7 +3,7 @@
 """
 Moin wiki format document tree nodes.
 
-Copyright (C) 2017, 2018, 2019, 2020, 2021 Paul Boddie <paul@boddie.org.uk>
+Copyright (C) 2017, 2018, 2019, 2020, 2021, 2022 Paul Boddie <paul@boddie.org.uk>
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -778,6 +778,19 @@
     def to_string(self, out):
         out.linebreak()
 
+class NonBreakingSpace(Node):
+
+    "A non-breaking space within a block."
+
+    def __repr__(self):
+        return "NonBreakingSpace()"
+
+    def prettyprint(self, indent=""):
+        return "%sNonBreakingSpace" % indent
+
+    def to_string(self, out):
+        out.nbsp()
+
 class Rule(Node):
 
     "A horizontal rule."