parser: Add getters for XML declaration to parser context

Access to struct members will be deprecated.

include/libxml/parser.h

@@ -1406,6 +1406,12 @@ XMLPUBFUN int
 XMLPUBFUN int
 		xmlCtxtUseOptions	(xmlParserCtxtPtr ctxt,
 					 int options);
+XMLPUBFUN const xmlChar *
+		xmlCtxtGetVersion	(xmlParserCtxtPtr ctxt);
+XMLPUBFUN const xmlChar *
+		xmlCtxtGetDeclaredEncoding(xmlParserCtxtPtr ctxt);
+XMLPUBFUN int
+		xmlCtxtGetStandalone	(xmlParserCtxtPtr ctxt);
 XMLPUBFUN void
 		xmlCtxtSetErrorHandler	(xmlParserCtxtPtr ctxt,
 					 xmlStructuredErrorFunc handler,

parser.c

@@ -10404,6 +10404,34 @@ xmlParseXMLDecl(xmlParserCtxtPtr ctxt) {
     }
 }
 
+/**
+ * xmlCtxtGetVersion:
+ * ctxt:  parser context
+ *
+ * Returns the version from the XML declaration.
+ */
+const xmlChar *
+xmlCtxtGetVersion(xmlParserCtxtPtr ctxt) {
+    if (ctxt == NULL)
+        return(NULL);
+
+    return(ctxt->version);
+}
+
+/**
+ * xmlCtxtGetStandalone:
+ * ctxt:  parser context
+ *
+ * Returns the value from the standalone document declaration.
+ */
+int
+xmlCtxtGetStandalone(xmlParserCtxtPtr ctxt) {
+    if (ctxt == NULL)
+        return(0);
+
+    return(ctxt->standalone);
+}
+
 /**
  * xmlParseMisc:
  * @ctxt:  an XML parser context

parserInternals.c

@@ -1520,6 +1520,21 @@ xmlSetDeclaredEncoding(xmlParserCtxtPtr ctxt, xmlChar *encoding) {
     ctxt->encoding = encoding;
 }
 
+/**
+ * xmlCtxtGetDeclaredEncoding:
+ * ctxt:  parser context
+ *
+ * Returns the encoding from the encoding declaration. This can differ
+ * from the actual encoding.
+ */
+const xmlChar *
+xmlCtxtGetDeclaredEncoding(xmlParserCtxtPtr ctxt) {
+    if (ctxt == NULL)
+        return(NULL);
+
+    return(ctxt->encoding);
+}
+
 /**
  * xmlGetActualEncoding:
  * @ctxt:  the parser context