Merge branch 'master' into lqc-trunk

[redakcja.git] / apps / api / views.py

diff --git a/apps/api/views.py b/apps/api/views.py
old mode 100644 (file)
new mode 100755 (executable)
index 60f00ef..3e9cb01
--- a/apps/api/views.py
+++ b/apps/api/views.py
@@ -1 +1,38 @@
 # Create your views here.
+
+import logging
+log = logging.getLogger('platforma.render')
+
+from django.http import HttpResponse
+import librarian
+from librarian import html
+from lxml import etree
+from StringIO import StringIO
+import re
+
+LINE_SWAP_EXPR = re.compile(r'/\s', re.MULTILINE | re.UNICODE);
+
+def render(request):    
+    style_filename = html.get_stylesheet('partial')
+
+    data = request.POST['fragment']
+    path = request.POST['chunk']
+
+    base, me = path.rsplit('/', 1)
+    match = re.match(r'([^\[]+)\[(\d+)\]', me)
+    tag, pos = match.groups()   
+
+    style = etree.parse(style_filename)
+
+    data = u'<chunk><%s>%s</%s></chunk>' % (tag, LINE_SWAP_EXPR.sub(u'<br />\n', data), tag)
+    log.info(data)    
+    doc = etree.parse( StringIO(data) )
+
+    opts = {
+        'with-paths': 'boolean(1)',
+        'base-path': "'%s'" % base,
+        'base-offset': pos,
+    }
+
+    result = doc.xslt(style, **opts)
+    return HttpResponse( librarian.serialize_children(result.getroot()[0]) )
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