1 files changed, 147 insertions, 0 deletions
diff --git a/lib/wx/c_src/wxe_helpers.h b/lib/wx/c_src/wxe_helpers.h
new file mode 100644
index 0000000000..70ffccdc13
--- /dev/null
+++ b/lib/wx/c_src/wxe_helpers.h
@@ -0,0 +1,147 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2014-2016. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+#ifndef _WXE_HELPER_H
+#define	_WXE_HELPER_H
+
+DECLARE_EVENT_TYPE(wxeEVT_META_COMMAND, -1)
+
+class wxeMetaCommand : public wxEvent
+{
+ public:
+ wxeMetaCommand(wxe_data *sd, int EvId)
+     : wxEvent(EvId, wxeEVT_META_COMMAND)
+    {  caller = driver_caller(sd->port_handle);  port = sd->port; pdl = sd->pdl; } ;
+ wxeMetaCommand(const wxeMetaCommand& event)
+     : wxEvent(event)
+    {  caller = event.caller; port = event.port; pdl = event.pdl; };
+    virtual ~wxeMetaCommand() {};
+    virtual wxEvent *Clone() const { return new wxeMetaCommand(*this); }
+
+    ErlDrvTermData   caller;
+    ErlDrvTermData   port;
+    ErlDrvPDL        pdl;
+};
+
+class wxeCommand
+{
+ public:
+    wxeCommand();
+    virtual ~wxeCommand(); // Use Delete()
+
+    wxeCommand * Save(int Op) { op = Op; return this; };
+    void Delete();
+
+    ErlDrvTermData   caller;
+    ErlDrvTermData   port;
+    WXEBinRef        bin[3];
+    char *           buffer;
+    int              len;
+    int              op;
+    char             c_buf[64];  // 64b covers 90% of usage
+};
+
+class wxeFifo {
+ public:
+    wxeFifo(unsigned int size);
+    virtual ~wxeFifo();
+
+    void Add(int fc, char * cbuf,int buflen, wxe_data *);
+    void Append(wxeCommand *Other);
+
+    wxeCommand * Get();
+    wxeCommand * Peek(unsigned int *item);
+
+    void Realloc();
+    void Strip();
+    unsigned int Cleanup(unsigned int peek=0);
+
+    unsigned int cb_start;
+    unsigned int m_max;
+    unsigned int m_first;
+    unsigned int m_n;
+    unsigned int m_orig_sz;
+    wxeCommand *m_q;
+    wxeCommand *m_old;
+};
+
+class intListElement {
+ public:
+    intListElement(int Element) {car = Element; cdr = NULL;};
+    intListElement(int Element, intListElement *list)
+    {car = Element; cdr = list;};
+    int car;
+    intListElement *cdr;
+};
+
+class intList {
+ public:
+    intList() {list = NULL;};
+    ~intList() {
+	intListElement *head = list;
+	while(head) {
+	    intListElement *tail=head->cdr;
+	    delete head;
+	    head = tail;
+	} };
+    bool IsEmpty() {return list == NULL;};
+    void Append(int Element) { list = new intListElement(Element, list); };
+    int Pop() {
+	intListElement *temp = list;
+	int res = list->car;
+	list = temp->cdr;
+	delete temp;
+	return res;
+    }
+    intListElement *list;
+};
+
+class wxe_badarg
+{
+ public:
+ wxe_badarg(int Ref) : ref(Ref) { } ;
+    int ref;
+};
+
+class wxeErlTerm : public wxClientData
+{
+ public:
+    wxeErlTerm(WXEBinRef * data)
+    {
+	size = data->size;
+	bin = (char *) driver_alloc(size);
+	memcpy(bin, data->base, size);
+    } ;
+    ~wxeErlTerm() { driver_free(bin); };
+    char * bin;
+    int size;
+};
+
+class wxETreeItemData : public wxTreeItemData
+{
+ public:
+    wxETreeItemData(int sz, char * data);
+    ~wxETreeItemData();
+
+    int size;
+    char * bin;
+};
+
+#endif