1 files changed, 40 insertions, 0 deletions
diff --git a/Src/replicant/nx/win/nxmutablestring.c b/Src/replicant/nx/win/nxmutablestring.c
new file mode 100644
index 00000000..1e11bdba
--- /dev/null
+++ b/Src/replicant/nx/win/nxmutablestring.c
@@ -0,0 +1,40 @@
+#include "nxmutablestring.h"
+#include "foundation/error.h"
+
+/* currently this is closely coupled with the nx_string_t implementation. beware! */
+extern HANDLE string_heap;
+
+void NXMutableStringDestroy(nx_mutable_string_t mutable_string)
+{
+	if (mutable_string)
+	{
+		if (mutable_string->nx_string_data)
+			NXStringRelease(mutable_string->nx_string_data);
+		HeapFree(string_heap, 0, mutable_string);
+	}
+}
+
+nx_mutable_string_t NXMutableStringCreateFromXML(const nsxml_char_t *characters, size_t num_characters)
+{
+	nx_mutable_string_t mutable_string = (nx_mutable_string_t)HeapAlloc(string_heap, 0, sizeof(nx_mutable_string_struct_t));
+	NXStringCreateWithBytes(&mutable_string->nx_string_data, characters, num_characters*2, nx_charset_utf16le);
+	mutable_string->allocation_length = num_characters;
+	return mutable_string;
+}
+
+int NXMutableStringGrowFromXML(nx_mutable_string_t mutable_string, const nsxml_char_t *characters, size_t num_characters)
+{
+	if (mutable_string->nx_string_data->len + num_characters + 1 > mutable_string->allocation_length)
+	{
+		nx_string_t new_string = NXStringRealloc(mutable_string->nx_string_data, mutable_string->nx_string_data->len + num_characters + 1);
+		if (!new_string)
+			return NErr_OutOfMemory;
+		mutable_string->nx_string_data = new_string;
+		mutable_string->allocation_length = mutable_string->nx_string_data->len + num_characters + 1;
+	}
+	memcpy(mutable_string->nx_string_data->string + mutable_string->nx_string_data->len, characters, num_characters*sizeof(wchar_t));
+	mutable_string->nx_string_data->len += num_characters;
+	mutable_string->nx_string_data->string[mutable_string->nx_string_data->len]=0; /* well null terminate */
+
+	return NErr_Success;
+}
+\ No newline at end of file