X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/chopwood/blobdiff_plain/b40d16b214d9164e6255857a63c729c5f65b017f..44e941123a4c6ef44ad4e6856c09a0762b8bce86:/cgi.py

diff --git a/cgi.py b/cgi.py
index 531a49c..0ecdfe2 100644
--- a/cgi.py
+++ b/cgi.py
@@ -197,7 +197,8 @@ def set_template_keywords():
     package = PACKAGE,
     version = VERSION,
     script = CFG.SCRIPT_NAME,
-    static = CFG.STATIC)
+    static = CFG.STATIC,
+    allowop = CFG.ALLOWOP)
 
 class TemplateFinder (object):
   """
@@ -212,7 +213,7 @@ class TemplateFinder (object):
     with open(OS.path.join(me._dir, key)) as f: tmpl = f.read()
     me._cache[key] = tmpl
     return tmpl
-TMPL = TemplateFinder(TMPLDIR)
+STATE.kw['TMPL'] = TMPL = TemplateFinder(TMPLDIR)
 
 @CTX.contextmanager
 def tmplkw(**kw):
@@ -230,13 +231,36 @@ class FormatHTML (F.SimpleFormatOperation):
   """
   ~H: escape output suitable for inclusion in HTML.
 
-  With `:', instead apply form-urlencoding.
+  With `:', additionally apply quotification.
   """
   def _convert(me, arg):
     if me.colonp: return html_quotify(arg)
     else: return htmlescape(arg)
 FORMATOPS['H'] = FormatHTML
 
+class FormatWrap (F.BaseFormatOperation):
+  """
+  ~<...~@>: wrap enclosed material in another formatting control string.
+
+  The argument is a formatting control.  The enclosed material is split into
+  pieces separated by `~;' markers.  The formatting control is performed, and
+  passed the list of pieces (as compiled formatting operations) in the
+  keyword argument `wrapped'.
+  """
+  def __init__(me, *args):
+    super(FormatWrap, me).__init__(*args)
+    pieces = []
+    while True:
+      piece, delim = F.collect_subformat('>;')
+      pieces.append(piece)
+      if delim.char == '>': break
+    me.pieces = pieces
+  def _format(me, atp, colonp):
+    op = F.compile(me.getarg.get())
+    with F.FORMAT.bind(argmap = dict(F.FORMAT.argmap, wrapped = me.pieces)):
+      op.format()
+FORMATOPS['<'] = FormatWrap
+
 def format_tmpl(control, **kw):
   with F.COMPILE.bind(opmaps = [FORMATOPS, F.BASEOPS]):
     with tmplkw(**kw):