msxml3: Implement getIndexFromQName() for MXAttributes.

dlls/msxml3/mxwriter.c

@@ -1786,12 +1786,29 @@ static HRESULT WINAPI SAXAttributes_getIndexFromName(ISAXAttributes *iface, cons
     return E_NOTIMPL;
 }
 
-static HRESULT WINAPI SAXAttributes_getIndexFromQName(ISAXAttributes *iface, const WCHAR * pQName,
-    int nQNameLength, int * index)
+static HRESULT WINAPI SAXAttributes_getIndexFromQName(ISAXAttributes *iface, const WCHAR *qname,
+    int len, int *index)
 {
     mxattributes *This = impl_from_ISAXAttributes( iface );
-    FIXME("(%p)->(%s:%d %p): stub\n", This, debugstr_wn(pQName, nQNameLength), nQNameLength, index);
-    return E_NOTIMPL;
+    int i;
+
+    TRACE("(%p)->(%s:%d %p)\n", This, debugstr_wn(qname, len), len, index);
+
+    if (!index && (This->class_version == MSXML_DEFAULT || This->class_version == MSXML3))
+        return E_POINTER;
+
+    if (!qname || !index || !len) return E_INVALIDARG;
+
+    for (i = 0; i < This->length; i++)
+    {
+        if (len != SysStringLen(This->attr[i].qname)) continue;
+        if (strncmpW(qname, This->attr[i].qname, len)) continue;
+
+        *index = i;
+        return S_OK;
+    }
+
+    return E_INVALIDARG;
 }
 
 static HRESULT WINAPI SAXAttributes_getType(ISAXAttributes *iface, int index, const WCHAR **type,

dlls/msxml3/tests/saxreader.c

@@ -3299,8 +3299,8 @@ static void test_mxattr_addAttribute(void)
         ISAXAttributes *saxattr;
         IMXAttributes *mxattr;
         const WCHAR *value;
+        int len, index;
         HRESULT hr;
-        int len;
 
         if (!is_clsid_supported(table->clsid, mxattributes_support_data))
         {
@@ -3405,6 +3405,38 @@ static void test_mxattr_addAttribute(void)
                 ok(*value == 0, "%d: got type value %s\n", i, wine_dbgstr_w(value));
                 ok(len == 0, "%d: got wrong type value length %d\n", i, len);
             }
+
+            hr = ISAXAttributes_getIndexFromQName(saxattr, NULL, 0, NULL);
+            if (IsEqualGUID(table->clsid, &CLSID_SAXAttributes) ||
+                IsEqualGUID(table->clsid, &CLSID_SAXAttributes30))
+            {
+                EXPECT_HR(hr, E_POINTER);
+            }
+            else
+                EXPECT_HR(hr, E_INVALIDARG);
+
+            hr = ISAXAttributes_getIndexFromQName(saxattr, NULL, 0, &index);
+            EXPECT_HR(hr, E_INVALIDARG);
+
+            index = -1;
+            hr = ISAXAttributes_getIndexFromQName(saxattr, _bstr_("nonexistent"), 11, &index);
+            EXPECT_HR(hr, E_INVALIDARG);
+            ok(index == -1, "%d: got wrong index %d\n", i, index);
+
+            index = -1;
+            hr = ISAXAttributes_getIndexFromQName(saxattr, _bstr_(table->qname), 0, &index);
+            EXPECT_HR(hr, E_INVALIDARG);
+            ok(index == -1, "%d: got wrong index %d\n", i, index);
+
+            index = -1;
+            hr = ISAXAttributes_getIndexFromQName(saxattr, _bstr_(table->qname), strlen(table->qname), &index);
+            EXPECT_HR(hr, S_OK);
+            ok(index == 0, "%d: got wrong index %d\n", i, index);
+
+            index = -1;
+            hr = ISAXAttributes_getIndexFromQName(saxattr, _bstr_(table->qname), strlen(table->qname)-1, &index);
+            EXPECT_HR(hr, E_INVALIDARG);
+            ok(index == -1, "%d: got wrong index %d\n", i, index);
         }
 
         len = -1;