wsdapi: Implement WSDXMLAddChild, Sibling, BuildAnyForSingleElement, CleanupElement.

Signed-off-by: Owen Rudge <orudge@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/wsdapi/Makefile.in

@@ -5,4 +5,5 @@ IMPORTS   = kernel32
 C_SRCS = \
 	discovery.c \
 	main.c \
-	memory.c
+	memory.c \
+	xml.c

dlls/wsdapi/wsdapi.spec

@@ -36,10 +36,10 @@
 @ stub WSDSetConfigurationOption
 @ stub WSDUriDecode
 @ stub WSDUriEncode
-@ stub WSDXMLAddChild
-@ stub WSDXMLAddSibling
-@ stub WSDXMLBuildAnyForSingleElement
-@ stub WSDXMLCleanupElement
+@ stdcall WSDXMLAddChild(ptr ptr)
+@ stdcall WSDXMLAddSibling(ptr ptr)
+@ stdcall WSDXMLBuildAnyForSingleElement(ptr ptr ptr)
+@ stdcall WSDXMLCleanupElement(ptr)
 @ stub WSDXMLCreateContext
 @ stub WSDXMLGetNameFromBuiltinNamespace
 @ stub WSDXMLGetValueFromAny

dlls/wsdapi/xml.c

@@ -0,0 +1,215 @@
+/*
+ * Web Services on Devices
+ *
+ * Copyright 2017 Owen Rudge for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <stdarg.h>
+
+#define COBJMACROS
+
+#include "windef.h"
+#include "winbase.h"
+#include "wine/debug.h"
+#include "wsdapi.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(wsdapi);
+
+#define WSD_MAX_TEXT_LENGTH 8192
+
+static LPWSTR duplicate_string(void *parentMemoryBlock, LPCWSTR value)
+{
+    int valueLen;
+    LPWSTR dup;
+
+    valueLen = lstrlenW(value) + 1;
+
+    dup = WSDAllocateLinkedMemory(parentMemoryBlock, valueLen * sizeof(WCHAR));
+
+    if (dup) memcpy(dup, value, valueLen * sizeof(WCHAR));
+    return dup;
+}
+
+static WSDXML_NAME *duplicate_name(void *parentMemoryBlock, WSDXML_NAME *name)
+{
+    WSDXML_NAME *dup;
+
+    dup = WSDAllocateLinkedMemory(parentMemoryBlock, sizeof(WSDXML_NAME));
+
+    if (dup == NULL)
+    {
+        return NULL;
+    }
+
+    dup->Space = name->Space;
+    dup->LocalName = duplicate_string(dup, name->LocalName);
+
+    if (dup->LocalName == NULL)
+    {
+        WSDFreeLinkedMemory(dup);
+        return NULL;
+    }
+
+    return dup;
+}
+
+HRESULT WINAPI WSDXMLAddChild(WSDXML_ELEMENT *pParent, WSDXML_ELEMENT *pChild)
+{
+    WSDXML_NODE *currentNode;
+
+    TRACE("(%p, %p)\n", pParent, pChild);
+
+    if ((pParent == NULL) || (pChild == NULL) || (pChild->Node.Parent != NULL))
+    {
+        return E_INVALIDARG;
+    }
+
+    /* See if the parent already has a child */
+    currentNode = pParent->FirstChild;
+
+    if (currentNode == NULL)
+    {
+        pParent->FirstChild = (WSDXML_NODE *)pChild;
+    }
+    else
+    {
+        /* Find the last sibling node and make this child the next sibling */
+        WSDXMLAddSibling((WSDXML_ELEMENT *)currentNode, pChild);
+    }
+
+    pChild->Node.Parent = pParent;
+
+    /* Link the memory allocations */
+    WSDAttachLinkedMemory(pParent, pChild);
+
+    return S_OK;
+}
+
+HRESULT WINAPI WSDXMLAddSibling(WSDXML_ELEMENT *pFirst, WSDXML_ELEMENT *pSecond)
+{
+    WSDXML_NODE *currentNode;
+
+    TRACE("(%p, %p)\n", pFirst, pSecond);
+
+    if ((pFirst == NULL) || (pSecond == NULL))
+    {
+        return E_INVALIDARG;
+    }
+
+    /* See if the first node already has a sibling */
+    currentNode = pFirst->Node.Next;
+
+    if (currentNode == NULL)
+    {
+        pFirst->Node.Next = (WSDXML_NODE *)pSecond;
+    }
+    else
+    {
+        /* Find the last sibling node and make the second element the next sibling */
+        while (1)
+        {
+            if (currentNode->Next == NULL)
+            {
+                currentNode->Next = (WSDXML_NODE *)pSecond;
+                break;
+            }
+
+            currentNode = currentNode->Next;
+        }
+    }
+
+    /* Reparent the second node under the first */
+    pSecond->Node.Parent = pFirst->Node.Parent;
+
+    /* Link the memory allocations */
+    WSDAttachLinkedMemory(pFirst->Node.Parent, pSecond);
+
+    return S_OK;
+}
+
+HRESULT WINAPI WSDXMLBuildAnyForSingleElement(WSDXML_NAME *pElementName, LPCWSTR pszText, WSDXML_ELEMENT **ppAny)
+{
+    WSDXML_TEXT *child;
+
+    TRACE("(%p, %s, %p)\n", pElementName, debugstr_w(pszText), ppAny);
+
+    if ((pElementName == NULL) || ((pszText != NULL) && (lstrlenW(pszText) > WSD_MAX_TEXT_LENGTH)))
+    {
+        return E_INVALIDARG;
+    }
+
+    if (ppAny == NULL)
+    {
+        return E_POINTER;
+    }
+
+    *ppAny = WSDAllocateLinkedMemory(NULL, sizeof(WSDXML_ELEMENT));
+
+    if (*ppAny == NULL)
+    {
+        return E_OUTOFMEMORY;
+    }
+
+    ZeroMemory(*ppAny, sizeof(WSDXML_ELEMENT));
+
+    (*ppAny)->Name = duplicate_name(*ppAny, pElementName);
+
+    if ((*ppAny)->Name == NULL)
+    {
+        WSDFreeLinkedMemory(*ppAny);
+        return E_OUTOFMEMORY;
+    }
+
+    if (pszText != NULL)
+    {
+        child = WSDAllocateLinkedMemory(*ppAny, sizeof(WSDXML_TEXT));
+
+        if (child == NULL)
+        {
+            WSDFreeLinkedMemory(*ppAny);
+            return E_OUTOFMEMORY;
+        }
+
+        child->Node.Parent = *ppAny;
+        child->Node.Next = NULL;
+        child->Node.Type = TextType;
+        child->Text = duplicate_string(child, pszText);
+
+        if (child->Text == NULL)
+        {
+            WSDFreeLinkedMemory(*ppAny);
+            return E_OUTOFMEMORY;
+        }
+
+        (*ppAny)->FirstChild = (WSDXML_NODE *)child;
+    }
+
+    return S_OK;
+}
+
+HRESULT WINAPI WSDXMLCleanupElement(WSDXML_ELEMENT *pAny)
+{
+    TRACE("(%p)\n", pAny);
+
+    if (pAny == NULL)
+    {
+        return E_INVALIDARG;
+    }
+
+    WSDFreeLinkedMemory(pAny);
+    return S_OK;
+}

include/wsdutil.h

@@ -24,4 +24,9 @@ void WINAPI WSDAttachLinkedMemory(void *pParent, void *pChild);
 void WINAPI WSDDetachLinkedMemory(void *pVoid);
 void WINAPI WSDFreeLinkedMemory(void *pVoid);
 
+HRESULT WINAPI WSDXMLAddChild(WSDXML_ELEMENT *pParent, WSDXML_ELEMENT *pChild);
+HRESULT WINAPI WSDXMLAddSibling(WSDXML_ELEMENT *pFirst, WSDXML_ELEMENT *pSecond);
+HRESULT WINAPI WSDXMLBuildAnyForSingleElement(WSDXML_NAME *pElementName, LPCWSTR pszText, WSDXML_ELEMENT **ppAny);
+HRESULT WINAPI WSDXMLCleanupElement(WSDXML_ELEMENT *pAny);
+
 #endif

include/wsdxmldom.h

@@ -26,6 +26,7 @@ typedef struct _WSDXML_PREFIX_MAPPING WSDXML_PREFIX_MAPPING;
 typedef struct _WSDXML_ATTRIBUTE WSDXML_ATTRIBUTE;
 typedef struct _WSDXML_NODE WSDXML_NODE;
 typedef struct _WSDXML_ELEMENT WSDXML_ELEMENT;
+typedef struct _WSDXML_TEXT WSDXML_TEXT;
 
 typedef const WSDXML_NAMESPACE *PCWSDXML_NAMESPACE;
 typedef const WSDXML_TYPE *PCWSDXML_TYPE;
@@ -87,4 +88,10 @@ struct _WSDXML_ELEMENT
     WSDXML_PREFIX_MAPPING *PrefixMappings;
 };
 
+struct _WSDXML_TEXT
+{
+    WSDXML_NODE Node;
+    WCHAR *Text;
+};
+
 #endif /* __WSDXMLDOM_H__ */