Changeset 959

Timestamp:

19/05/06 06:06:07 (15 years ago)

Author:

lawrence

Message:

Utility to support HTML presentation of vanilla xml (including highlight of
matched search terms) for discovery and browse.

File:

• TI07-MOLES/trunk/StubB/XSLT/browse/portal/cgi/Utilities.py (modified) (1 diff)

TI07-MOLES/trunk/StubB/XSLT/browse/portal/cgi/Utilities.py

@@ -93 +93 @@
                 result+='</%s>'%(elem.tag)
         return result
+        
+def PrettyPrintHTML(elem,matchList=[]):
+    '''Lightweight HTML pretty printing of elementTree elements + highlight
+    any words which occur in the element text (and tails) which occur in matchList,
+    and formatted using a css something like this:
+    ===
+    DIV.xmlElem {PADDING-LEFT: 20px;}
+    .xmlAttrVal {COLOR:Red; }
+    .xmlAttrTyp {COLOR:Green; }
+    .xmlElemTag {COLOR:Blue; }
+.   highlight {BACKGROUND-COLOR:Yellow; }
+    ===
+    '''
+    def span(x,c): return '<span class="%s">%s</span>'%(c,x)
+    def div(x,c): return '<div class="%s">%s</div>'%(c,x)
+    def match(x): 
+        if x is None: return ''
+        for w in matchList: x=re.sub(w,span(w,'highlight'),x)
+        return x
+    lt,gt='<b>&lt;</b>','<b>&gt;</b>'
+    strAttrib=''
+    for att in elem.attrib:
+        strAttrib+=' %s="%s"'%(span(att,'xmlAttrTyp'),span(elem.attrib[att],'xmlAttrVal'))
+    result='%s%s%s%s%s'%(lt,span(elem.tag,"xmlElemTag"),strAttrib,gt,match(elem.text))
+    children=len(elem)
+    if children:
+        for item in elem:
+            result+=PrettyPrintHTML(item)
+        result+='%s%s/%s%s'%(match(item.tail),lt,span(elem.tag,'xmlElemTag'),gt)
+    else:
+        result+='%s/%s%s'%(lt,span(elem.tag,'xmlElemTag'),gt)
+    return div(result,'xmlElem')
+
 if __name__=="__main__":
-    print cleanup('<abcd&efg>')
-    print cleanup('<abcd&amp;efg>')
+    x='''<test attr='something'>some content with <a href="target"> display</a> url</test>'''
+    import ElementTree as ET
+    y=ET.fromstring(x)
+    print PrettyPrintHTML(y,['content',])
+    print PrettyPrint(y)
+