xmllite/writer: Implement OmitXmlDeclaration property.

dlls/xmllite/tests/writer.c

@@ -312,6 +312,99 @@ static void test_flush(void)
     ok(g_write_len == 0, "got %d\n", g_write_len);
 }
 
+static void test_omitxmldeclaration(void)
+{
+    static const char prologversion[] = "<?xml version=\"1.0\"?>";
+    static const WCHAR versionW[] = {'v','e','r','s','i','o','n','=','"','1','.','0','"',0};
+    static const WCHAR xmlW[] = {'x','m','l',0};
+    IXmlWriter *writer;
+    HGLOBAL hglobal;
+    IStream *stream;
+    HRESULT hr;
+    char *ptr;
+
+    hr = pCreateXmlWriter(&IID_IXmlWriter, (void**)&writer, NULL);
+    ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
+
+    hr = CreateStreamOnHGlobal(NULL, TRUE, &stream);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    hr = IXmlWriter_SetOutput(writer, (IUnknown*)stream);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    hr = IXmlWriter_SetProperty(writer, XmlWriterProperty_OmitXmlDeclaration, TRUE);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    hr = IXmlWriter_WriteStartDocument(writer, XmlStandalone_Yes);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    hr = IXmlWriter_Flush(writer);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    hr = GetHGlobalFromStream(stream, &hglobal);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    ptr = GlobalLock(hglobal);
+    ok(!ptr, "got %p\n", ptr);
+    GlobalUnlock(hglobal);
+
+    /* one more time */
+    hr = IXmlWriter_WriteStartDocument(writer, XmlStandalone_Yes);
+    ok(hr == WR_E_INVALIDACTION, "got 0x%08x\n", hr);
+
+    IStream_Release(stream);
+
+    /* now add PI manually, and try to start a document */
+    hr = CreateStreamOnHGlobal(NULL, TRUE, &stream);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    hr = IXmlWriter_SetOutput(writer, (IUnknown*)stream);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    hr = IXmlWriter_WriteProcessingInstruction(writer, xmlW, versionW);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    hr = IXmlWriter_Flush(writer);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    hr = GetHGlobalFromStream(stream, &hglobal);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    ptr = GlobalLock(hglobal);
+    ok(!strncmp(ptr, prologversion, strlen(prologversion)), "got %s\n", ptr);
+    GlobalUnlock(hglobal);
+
+    hr = IXmlWriter_WriteStartDocument(writer, XmlStandalone_Yes);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    hr = IXmlWriter_Flush(writer);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    ptr = GlobalLock(hglobal);
+    ok(!strncmp(ptr, prologversion, strlen(prologversion)), "got %s\n", ptr);
+    GlobalUnlock(hglobal);
+
+    hr = IXmlWriter_WriteStartDocument(writer, XmlStandalone_Yes);
+    ok(hr == WR_E_INVALIDACTION, "got 0x%08x\n", hr);
+
+    hr = IXmlWriter_Flush(writer);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    ptr = GlobalLock(hglobal);
+    ok(!strncmp(ptr, prologversion, strlen(prologversion)), "got %s\n", ptr);
+    GlobalUnlock(hglobal);
+
+    /* another attempt to add 'xml' PI */
+    hr = IXmlWriter_WriteProcessingInstruction(writer, xmlW, versionW);
+    ok(hr == WR_E_INVALIDACTION, "got 0x%08x\n", hr);
+
+    hr = IXmlWriter_Flush(writer);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    IStream_Release(stream);
+    IXmlWriter_Release(writer);
+}
+
 START_TEST(writer)
 {
     if (!init_pointers())
@@ -321,4 +414,5 @@ START_TEST(writer)
     test_writeroutput();
     test_writestartdocument();
     test_flush();
+    test_omitxmldeclaration();
 }

dlls/xmllite/writer.c

@@ -392,13 +392,23 @@ static HRESULT WINAPI xmlwriter_GetProperty(IXmlWriter *iface, UINT property, LO
     return S_OK;
 }
 
-static HRESULT WINAPI xmlwriter_SetProperty(IXmlWriter *iface, UINT nProperty, LONG_PTR pValue)
+static HRESULT WINAPI xmlwriter_SetProperty(IXmlWriter *iface, UINT property, LONG_PTR value)
 {
     xmlwriter *This = impl_from_IXmlWriter(iface);
 
-    FIXME("%p %u %lu\n", This, nProperty, pValue);
+    TRACE("(%p)->(%s %lu)\n", This, debugstr_writer_prop(property), value);
 
+    switch (property)
+    {
+        case XmlWriterProperty_OmitXmlDeclaration:
+            This->omitxmldecl = !!value;
+            break;
+        default:
+            FIXME("Unimplemented property (%u)\n", property);
             return E_NOTIMPL;
+    }
+
+    return S_OK;
 }
 
 static HRESULT WINAPI xmlwriter_WriteAttributes(IXmlWriter *iface, IXmlReader *pReader,
@@ -625,6 +635,9 @@ static HRESULT WINAPI xmlwriter_WriteStartDocument(IXmlWriter *iface, XmlStandal
         ;
     }
 
+    This->state = XmlWriterState_DocStarted;
+    if (This->omitxmldecl) return S_OK;
+
     /* version */
     write_output_buffer(This->output, versionW, sizeof(versionW)/sizeof(WCHAR));
 
@@ -647,7 +660,6 @@ static HRESULT WINAPI xmlwriter_WriteStartDocument(IXmlWriter *iface, XmlStandal
             write_output_buffer(This->output, noW, sizeof(noW)/sizeof(WCHAR));
     }
 
-    This->state = XmlWriterState_DocStarted;
     return S_OK;
 }