xmllite: Implement attribute iteration methods.

dlls/xmllite/reader.c

@@ -113,6 +113,7 @@ typedef struct _xmlreader
     DtdProcessing dtdmode;
     UINT line, pos;           /* reader position in XML stream */
     struct list attrs; /* attributes list for current node */
+    struct attribute *attr; /* current attribute */
     UINT attr_count;
 } xmlreader;
 
@@ -942,14 +943,32 @@ static HRESULT WINAPI xmlreader_GetNodeType(IXmlReader* iface, XmlNodeType *node
 
 static HRESULT WINAPI xmlreader_MoveToFirstAttribute(IXmlReader* iface)
 {
-    FIXME("(%p): stub\n", iface);
+    xmlreader *This = impl_from_IXmlReader(iface);
-    return E_NOTIMPL;
+
+    TRACE("(%p)\n", This);
+
+    if (!This->attr_count) return S_FALSE;
+    This->attr = LIST_ENTRY(list_head(&This->attrs), struct attribute, entry);
+    return S_OK;
 }
 
 static HRESULT WINAPI xmlreader_MoveToNextAttribute(IXmlReader* iface)
 {
-    FIXME("(%p): stub\n", iface);
+    xmlreader *This = impl_from_IXmlReader(iface);
-    return E_NOTIMPL;
+    const struct list *next;
+
+    TRACE("(%p)\n", This);
+
+    if (!This->attr_count) return S_FALSE;
+
+    if (!This->attr)
+        return IXmlReader_MoveToFirstAttribute(iface);
+
+    next = list_next(&This->attrs, &This->attr->entry);
+    if (next)
+        This->attr = LIST_ENTRY(next, struct attribute, entry);
+
+    return next ? S_OK : S_FALSE;
 }
 
 static HRESULT WINAPI xmlreader_MoveToAttributeByName(IXmlReader* iface,
@@ -962,8 +981,13 @@ static HRESULT WINAPI xmlreader_MoveToAttributeByName(IXmlReader* iface,
 
 static HRESULT WINAPI xmlreader_MoveToElement(IXmlReader* iface)
 {
-    FIXME("(%p): stub\n", iface);
+    xmlreader *This = impl_from_IXmlReader(iface);
-    return E_NOTIMPL;
+
+    TRACE("(%p)\n", This);
+
+    if (!This->attr_count) return S_FALSE;
+    This->attr = NULL;
+    return S_OK;
 }
 
 static HRESULT WINAPI xmlreader_GetQualifiedName(IXmlReader* iface, LPCWSTR *qualifiedName,
@@ -1202,6 +1226,7 @@ HRESULT WINAPI CreateXmlReader(REFIID riid, void **obj, IMalloc *imalloc)
     reader->nodetype = XmlNodeType_None;
     list_init(&reader->attrs);
     reader->attr_count = 0;
+    reader->attr = NULL;
 
     *obj = &reader->IXmlReader_iface;
 

dlls/xmllite/tests/reader.c

@@ -591,6 +591,7 @@ static void test_read_xmldeclaration(void)
     HRESULT hr;
     XmlNodeType type;
     UINT count = 0;
+    const WCHAR *val;
 
     hr = pCreateXmlReader(&IID_IXmlReader, (LPVOID*)&reader, NULL);
     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
@@ -611,6 +612,16 @@ static void test_read_xmldeclaration(void)
     ok(hr == S_OK, "got %08x\n", hr);
     ok(count == 0, "got %d\n", count);
 
+    /* try to move without attributes */
+    hr = IXmlReader_MoveToElement(reader);
+    ok(hr == S_FALSE, "got %08x\n", hr);
+
+    hr = IXmlReader_MoveToNextAttribute(reader);
+    ok(hr == S_FALSE, "got %08x\n", hr);
+
+    hr = IXmlReader_MoveToFirstAttribute(reader);
+    ok(hr == S_FALSE, "got %08x\n", hr);
+
     ok_pos(reader, 0, 0, -1, -1, FALSE);
 
     type = -1;
@@ -622,13 +633,27 @@ static void test_read_xmldeclaration(void)
     ok_pos(reader, 1, 3, -1, 55, TRUE);
     test_read_state(reader, XmlReadState_Interactive, -1, 0);
 
+    hr = IXmlReader_GetValue(reader, &val, NULL);
+todo_wine
+    ok(hr == S_OK, "got %08x\n", hr);
+    if (hr == S_OK)
+        ok(*val == 0, "got %s\n", wine_dbgstr_w(val));
+
     /* check attributes */
     hr = IXmlReader_MoveToNextAttribute(reader);
-    todo_wine ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
+    ok(hr == S_OK, "got %08x\n", hr);
     ok_pos(reader, 1, 7, -1, 55, TRUE);
 
+    /* try to move from last attribute */
+    hr = IXmlReader_MoveToNextAttribute(reader);
+    ok(hr == S_OK, "got %08x\n", hr);
+    hr = IXmlReader_MoveToNextAttribute(reader);
+    ok(hr == S_OK, "got %08x\n", hr);
+    hr = IXmlReader_MoveToNextAttribute(reader);
+    ok(hr == S_FALSE, "got %08x\n", hr);
+
     hr = IXmlReader_MoveToFirstAttribute(reader);
-    todo_wine ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
+    ok(hr == S_OK, "got %08x\n", hr);
     ok_pos(reader, 1, 7, -1, 55, TRUE);
 
     hr = IXmlReader_GetAttributeCount(reader, NULL);
@@ -644,6 +669,9 @@ todo_wine {
     ok(count == 1, "Expected 1, got %d\n", count);
 }
 
+    hr = IXmlReader_MoveToElement(reader);
+    ok(hr == S_OK, "got %08x\n", hr);
+
     IStream_Release(stream);
     IXmlReader_Release(reader);
 }