intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 69 insertions, 0 deletions

diff --git a/library/cpp/xml/init/ptr.h b/library/cpp/xml/init/ptr.h
new file mode 100644
index 00000000000..7387c7cc40e
--- /dev/null
+++ b/library/cpp/xml/init/ptr.h
@@ -0,0 +1,69 @@
+#pragma once
+
+#include <util/generic/ptr.h>
+#include <libxml/tree.h>
+#include <libxml/parser.h>
+#include <libxml/xpath.h>
+#include <libxml/xpathInternals.h>
+#include <libxml/xmlsave.h>
+#include <libxml/uri.h>
+#include <libxml/xmlschemas.h>
+
+template <class T, void (*DestroyFun)(T*)>
+struct TFunctionDestroy {
+    static inline void Destroy(T* t) noexcept {
+        if (t)
+            DestroyFun(t);
+    }
+};
+
+namespace NXml {
+#define DEF_HOLDER(type, free) typedef THolder<type, TFunctionDestroy<type, free>> T##type##Holder
+#define DEF_PTR(type, free) typedef TAutoPtr<type, TFunctionDestroy<type, free>> T##type##Ptr
+
+    // define xmlDocPtr -> TxmlDocHolder TxmlDocPtr
+    DEF_HOLDER(xmlDoc, xmlFreeDoc);
+    DEF_PTR(xmlDoc, xmlFreeDoc);
+
+    //    xmlXPathContextPtr xpathCtx;
+    DEF_HOLDER(xmlXPathContext, xmlXPathFreeContext);
+    DEF_PTR(xmlXPathContext, xmlXPathFreeContext);
+
+    //    xmlXPathObjectPtr xpathObj;
+    DEF_HOLDER(xmlXPathObject, xmlXPathFreeObject);
+    DEF_PTR(xmlXPathObject, xmlXPathFreeObject);
+
+    //    xmlNodeSetPtr nodes
+    DEF_HOLDER(xmlNodeSet, xmlXPathFreeNodeSet);
+    DEF_PTR(xmlNodeSet, xmlXPathFreeNodeSet);
+
+    //    xmlSchemaParserCtxtPtr ctxt;
+    DEF_HOLDER(xmlSchemaParserCtxt, xmlSchemaFreeParserCtxt);
+    DEF_PTR(xmlSchemaParserCtxt, xmlSchemaFreeParserCtxt);
+
+    //    xmlSchemaPtr schema;
+    DEF_HOLDER(xmlSchema, xmlSchemaFree);
+    DEF_PTR(xmlSchema, xmlSchemaFree);
+
+    //    xmlSchemaValidCtxt ctxt;
+    DEF_HOLDER(xmlSchemaValidCtxt, xmlSchemaFreeValidCtxt);
+    DEF_PTR(xmlSchemaValidCtxt, xmlSchemaFreeValidCtxt);
+
+    // xmlSaveCtxtPtr
+    inline void xmlFreeSave(xmlSaveCtxt* c) {
+        // returns int
+        xmlSaveClose(c);
+    }
+    DEF_HOLDER(xmlSaveCtxt, xmlFreeSave);
+    DEF_PTR(xmlSaveCtxt, xmlFreeSave);
+
+    DEF_PTR(xmlURI, xmlFreeURI);
+    DEF_PTR(xmlNode, xmlFreeNode);
+    DEF_PTR(xmlParserCtxt, xmlFreeParserCtxt);
+    DEF_PTR(xmlParserInputBuffer, xmlFreeParserInputBuffer);
+    DEF_PTR(xmlDtd, xmlFreeDtd);
+    DEF_PTR(xmlValidCtxt, xmlFreeValidCtxt);
+
+#undef DEF_HOLDER
+#undef DEF_PTR
+}