Index: trunk/src_plugins/import_mentor_sch/netlist_helper.c
===================================================================
--- trunk/src_plugins/import_mentor_sch/netlist_helper.c	(nonexistent)
+++ trunk/src_plugins/import_mentor_sch/netlist_helper.c	(revision 7392)
@@ -0,0 +1,99 @@
+/*
+ *                            COPYRIGHT
+ *
+ *  pcb-rnd, interactive printed circuit board design
+ *
+ *  netlist build helper
+ *  pcb-rnd Copyright (C) 2017 Tibor 'Igor2' Palinkas
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <genht/hash.h>
+
+#include "netlist_helper.h"
+#include "compat_misc.h"
+
+
+nethlp_ctx_t *nethlp_new(nethlp_ctx_t *prealloc)
+{
+	if (prealloc == NULL) {
+		prealloc = malloc(sizeof(nethlp_ctx_t));
+		prealloc->alloced = 1;
+	}
+	else
+		prealloc->alloced = 0;
+	htsp_init(&prealloc->id2refdes, strhash, strkeyeq);
+	return prealloc;
+}
+
+void nethlp_destroy(nethlp_ctx_t *nhctx)
+{
+	htsp_entry_t *e;
+	for (e = htsp_first(&nhctx->id2refdes); e; e = htsp_next(&nhctx->id2refdes, e)) {
+		free(e->key);
+		free(e->value);
+	}
+	htsp_uninit(&nhctx->id2refdes);
+	if (nhctx->alloced)
+		free(nhctx);
+}
+
+
+nethlp_elem_ctx_t *nethlp_elem_new(nethlp_ctx_t *nhctx, nethlp_elem_ctx_t *prealloc, const char *id)
+{
+	if (prealloc == NULL) {
+		prealloc = malloc(sizeof(nethlp_elem_ctx_t));
+		prealloc->alloced = 1;
+	}
+	else
+		prealloc->alloced = 0;
+	prealloc->nhctx = nhctx;
+	prealloc->id = pcb_strdup(id);
+	htsp_init(&prealloc->attr, strhash, strkeyeq);
+	return prealloc;
+}
+
+void nethlp_elem_refdes(nethlp_elem_ctx_t *ectx, const char *refdes)
+{
+	htsp_set(&ectx->nhctx->id2refdes, pcb_strdup(ectx->id), pcb_strdup(refdes));
+}
+
+void nethlp_elem_attr(nethlp_elem_ctx_t *ectx, const char *key, const char *val)
+{
+	htsp_set(&ectx->attr, pcb_strdup(key), pcb_strdup(val));
+}
+
+void nethlp_elem_done(nethlp_elem_ctx_t *ectx)
+{
+	htsp_entry_t *e;
+
+	printf("Elem '%s' -> '%s'\n", ectx->id, htsp_get(&ectx->nhctx->id2refdes, ectx->id));
+
+	for (e = htsp_first(&ectx->attr); e; e = htsp_next(&ectx->attr, e)) {
+		free(e->key);
+		free(e->value);
+	}
+	htsp_uninit(&ectx->attr);
+	free(ectx->id);
+	if (ectx->alloced)
+		free(ectx);
+}
+
+
Index: trunk/src_plugins/import_mentor_sch/netlist_helper.h
===================================================================
--- trunk/src_plugins/import_mentor_sch/netlist_helper.h	(nonexistent)
+++ trunk/src_plugins/import_mentor_sch/netlist_helper.h	(revision 7392)
@@ -0,0 +1,23 @@
+#include <genht/htsp.h>
+
+typedef struct {
+	htsp_t id2refdes; /* element ID -> refdes */
+	int alloced;
+} nethlp_ctx_t;
+
+typedef struct {
+	htsp_t attr;
+	char *id;
+	nethlp_ctx_t *nhctx;
+	int alloced;
+} nethlp_elem_ctx_t;
+
+
+nethlp_ctx_t *nethlp_new(nethlp_ctx_t *prealloc);
+void nethlp_destroy(nethlp_ctx_t *nhctx);
+
+nethlp_elem_ctx_t *nethlp_elem_new(nethlp_ctx_t *nhctx, nethlp_elem_ctx_t *prealloc, const char *id);
+void nethlp_elem_refdes(nethlp_elem_ctx_t *ectx, const char *refdes);
+void nethlp_elem_attr(nethlp_elem_ctx_t *ectx, const char *key, const char *val);
+void nethlp_elem_done(nethlp_elem_ctx_t *ectx);
+