xmllite: Support comment nodes.

dlls/xmllite/reader.c

@@ -777,8 +777,35 @@ static HRESULT reader_parse_xmldecl(xmlreader *reader)
 /* [15] Comment ::= '<!--' ((Char - '-') | ('-' (Char - '-')))* '-->' */
 static HRESULT reader_parse_comment(xmlreader *reader)
 {
-    FIXME("comments not supported\n");
-    return E_NOTIMPL;
+    const WCHAR *start, *ptr;
+
+    /* skip '<!--' */
+    reader_skipn(reader, 4);
+    ptr = start = reader_get_cur(reader);
+
+    while (*ptr)
+    {
+        if (ptr[0] == '-' && ptr[1] == '-')
+        {
+            if (ptr[2] == '>')
+            {
+                TRACE("%s\n", debugstr_wn(start, ptr-start));
+                /* skip '-->' */
+                reader_skipn(reader, 3);
+                reader->nodetype = XmlNodeType_Comment;
+                return S_OK;
+            }
+            else
+                return WC_E_COMMENT;
+        }
+        else
+        {
+            reader_skipn(reader, 1);
+            ptr = reader_get_cur(reader);
+        }
+    }
+
+    return MX_E_INPUTEND;
 }
 
 /* [16] PI ::= '<?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>' */
@@ -1014,7 +1041,7 @@ static HRESULT WINAPI xmlreader_Read(IXmlReader* iface, XmlNodeType *nodetype)
     XmlNodeType oldtype = This->nodetype;
     HRESULT hr;
 
-    FIXME("(%p)->(%p): stub\n", This, nodetype);
+    TRACE("(%p)->(%p)\n", This, nodetype);
 
     if (This->state == XmlReadState_Closed) return S_FALSE;
 

dlls/xmllite/tests/reader.c

@@ -721,10 +721,9 @@ static void test_read_comment(void)
 
     type = XmlNodeType_None;
     hr = IXmlReader_Read(reader, &type);
-todo_wine {
     ok(hr == S_OK, "got %08x\n", hr);
     ok(type == XmlNodeType_Comment, "got %d\n", type);
-}
+
     IStream_Release(stream);
 
     stream = create_stream_on_data(xml_comment1, sizeof(xml_comment1));
@@ -733,10 +732,9 @@ todo_wine {
 
     type = XmlNodeType_None;
     hr = IXmlReader_Read(reader, &type);
-todo_wine {
     ok(hr == S_OK, "got %08x\n", hr);
     ok(type == XmlNodeType_Comment, "got %d\n", type);
-}
+
     IStream_Release(stream);
 
     stream = create_stream_on_data(xml_comment2, sizeof(xml_comment2));
@@ -745,7 +743,6 @@ todo_wine {
 
     type = XmlNodeType_None;
     hr = IXmlReader_Read(reader, &type);
-todo_wine
     ok(hr == WC_E_COMMENT || broken(hr == WC_E_GREATERTHAN), "got %08x\n", hr);
     ok(type == XmlNodeType_None, "got %d\n", type);
     IStream_Release(stream);