Add support for writing XML declaration

2 files changed, 45 insertions, 0 deletions

diff --git a/genx.c b/genx.c
index 4a002da..dfee0df 100644
--- a/genx.c
+++ b/genx.c
@@ -2098,6 +2098,43 @@ genxStatus genxEndDocument(genxWriter w)
   return GENX_SUCCESS;
 }
 
+genxStatus genxXmlDeclaration(genxWriter w,
+                              constUtf8 ver,
+                              constUtf8 enc,
+                              constUtf8 stl)
+{
+  if (w->sequence != SEQUENCE_PRE_DOC)
+    return w->status = GENX_SEQUENCE_ERROR;
+
+  if ((w->status = genxCheckText(w, ver)) != GENX_SUCCESS)
+    return w->status;
+
+  if (enc != NULL && (w->status = genxCheckText(w, enc)) != GENX_SUCCESS)
+    return w->status;
+
+  if (stl != NULL && (w->status = genxCheckText(w, stl)) != GENX_SUCCESS)
+    return w->status;
+
+  SendCheck (w, "<?xml version=\"");
+  SendCheck (w, ver);
+
+  if (enc != NULL)
+  {
+    SendCheck (w, "\" encoding=\"");
+    SendCheck (w, enc);
+  }
+
+  if (stl != NULL)
+  {
+    SendCheck (w, "\" standalone=\"");
+    SendCheck (w, stl);
+  }
+
+  SendCheck (w, "\" ?>\n");
+
+  return GENX_SUCCESS;
+}
+
 genxStatus genxComment(genxWriter w, constUtf8 text)
 {
   int i;
diff --git a/genx.h b/genx.h
index 0d4fd48..d41c4d0 100644
--- a/genx.h
+++ b/genx.h
@@ -195,6 +195,14 @@ genxStatus genxStartDocSender(genxWriter w, genxSender * sender);
 genxStatus genxEndDocument(genxWriter w);
 
 /*
+ * Write XML declaration. If encoding or standalone are NULL, then those
+ * attributes are omitted.
+ */
+genxStatus genxXmlDeclaration(genxWriter w,
+                              constUtf8 version,
+                              constUtf8 encoding,
+                              constUtf8 standalone);
+/*
  * Write a comment
  */
 genxStatus genxComment(genxWriter w, constUtf8 text);