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changeset 6174:434139080ed4

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Permit XML entities to be escaped in template output. Useful for creating XML documents directly from Hg logging. Can also be used for HTML. For use in content, will escape '&', '<', and for completeness '>' (although it is not strictly necessary). For use in attributes, will also escape ' and ". Will also replace nonprinting (ASCII) control characters with spaces, since these are illegal in XML.
author Jesse Glick <jesse.glick@sun.com>
date Mon, 28 Jan 2008 22:19:12 -0500
parents 963000ed8cac
children 7f9f3233a2c6
files mercurial/templatefilters.py tests/test-command-template tests/test-command-template.out
diffstat 3 files changed, 19 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/mercurial/templatefilters.py	Sun Feb 24 17:58:55 2008 +0100
+++ b/mercurial/templatefilters.py	Mon Jan 28 22:19:12 2008 -0500
@@ -121,6 +121,15 @@
         return "-rwxr-xr-x"
     return "-rw-r--r--"
 
+def xmlescape(text):
+    text = (text
+            .replace('&', '&amp;')
+            .replace('<', '&lt;')
+            .replace('>', '&gt;')
+            .replace('"', '&quot;')
+            .replace("'", '&#39;')) # &apos; invalid in HTML
+    return re.sub('[\x00-\x08\x0B\x0C\x0E-\x1F]', ' ', text)
+
 filters = {
     "addbreaks": nl2br,
     "basename": os.path.basename,
@@ -147,5 +156,6 @@
     "urlescape": lambda x: urllib.quote(x),
     "user": lambda x: util.shortuser(x),
     "stringescape": lambda x: x.encode('string_escape'),
+    "xmlescape": xmlescape,
     }
 
--- a/tests/test-command-template	Sun Feb 24 17:58:55 2008 +0100
+++ b/tests/test-command-template	Mon Jan 28 22:19:12 2008 -0500
@@ -106,6 +106,7 @@
 hg log --template '{date|rfc822date}\n'
 hg log --template '{desc|firstline}\n'
 hg log --template '{node|short}\n'
+hg log --template '<changeset author="{author|xmlescape}"/>\n'
 
 echo '# formatnode filter works'
 echo '#  quiet'
--- a/tests/test-command-template.out	Sun Feb 24 17:58:55 2008 +0100
+++ b/tests/test-command-template.out	Mon Jan 28 22:19:12 2008 -0500
@@ -541,6 +541,14 @@
 97054abb4ab8
 b608e9d1a3f0
 1e4e1b8f71e0
+<changeset author="User Name &lt;user@hostname&gt;"/>
+<changeset author="person"/>
+<changeset author="person"/>
+<changeset author="person"/>
+<changeset author="person"/>
+<changeset author="other@place"/>
+<changeset author="A. N. Other &lt;other@place&gt;"/>
+<changeset author="User Name &lt;user@hostname&gt;"/>
 # formatnode filter works
 #  quiet
 1e4e1b8f71e0