table driven xml parsing state machine, remove global state variables

src/lcec_conf_priv.h

@@ -0,0 +1,64 @@
+//
+//    Copyright (C) 2011 Sascha Ittner <sascha.ittner@modusoft.de>
+//
+//    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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+//
+#ifndef _LCEC_CONF_PRIV_H_
+#define _LCEC_CONF_PRIV_H_
+
+#include <expat.h>
+
+#define BUFFSIZE 8192
+
+struct LCEC_CONF_XML_HANLDER;
+
+typedef struct LCEC_CONF_XML_INST {
+  XML_Parser parser;
+  const struct LCEC_CONF_XML_HANLDER *states;
+  int state;
+} LCEC_CONF_XML_INST_T;
+
+typedef struct LCEC_CONF_XML_HANLDER {
+  const char *el;
+  int state_from;
+  int state_to;
+  void (*start_handler)(struct LCEC_CONF_XML_INST *inst, int next, const char **attr);
+  void (*end_handler)(struct LCEC_CONF_XML_INST *inst, int next);
+} LCEC_CONF_XML_HANLDER_T;
+
+typedef struct LCEC_CONF_OUTBUF_ITEM {
+  size_t len;
+  struct LCEC_CONF_OUTBUF_ITEM *next;
+} LCEC_CONF_OUTBUF_ITEM_T;
+
+typedef struct {
+  LCEC_CONF_OUTBUF_ITEM_T *head;
+  LCEC_CONF_OUTBUF_ITEM_T *tail;
+  size_t len;
+} LCEC_CONF_OUTBUF_T;
+
+extern char *modname;
+
+void initOutputBuffer(LCEC_CONF_OUTBUF_T *buf);
+void *addOutputBuffer(LCEC_CONF_OUTBUF_T *buf, size_t len);
+void copyFreeOutputBuffer(LCEC_CONF_OUTBUF_T *buf, void *dest);
+
+int parseIcmds(LCEC_CONF_SLAVE_T *slave, LCEC_CONF_OUTBUF_T *outputBuf, const char *filename);
+
+int initXmlInst(LCEC_CONF_XML_INST_T *inst, const LCEC_CONF_XML_HANLDER_T *states);
+
+int parseHex(const char *s, int slen, uint8_t *buf);
+
+#endif