Inital commit

lib/src/clicon_yang_parse.h

@@ -0,0 +1,85 @@
+/*
+ *
+  Copyright (C) 2009-2016 Olof Hagsand and Benny Holmgren
+
+  This file is part of CLICON.
+
+  CLICON 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 3 of the License, or
+  (at your option) any later version.
+
+  CLICON 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 CLICON; see the file COPYING.  If not, see
+  <http://www.gnu.org/licenses/>.
+
+ * Database specification parser cli syntax
+ * (Cloned from cligen parser)
+ */
+#ifndef _CLICON_YANG_PARSE_H_
+#define _CLICON_YANG_PARSE_H_
+
+/*
+ * Types
+ */
+
+struct ys_stack{
+    struct ys_stack    *ys_next;
+    struct yang_node   *ys_node;
+};
+
+struct clicon_yang_yacc_arg{ /* XXX: mostly unrelevant */
+    clicon_handle         yy_handle;       /* cligen_handle */
+    char                 *yy_name;         /* Name of syntax (for error string) */
+    int                   yy_linenum;      /* Number of \n in parsed buffer */
+    char                 *yy_parse_string; /* original (copy of) parse string */
+    void                 *yy_lexbuf;       /* internal parse buffer from lex */
+    struct ys_stack      *yy_stack;     /* Stack of levels: push/pop on () and [] */
+    int                   yy_lex_state;  /* lex start condition (ESCAPE/COMMENT) */
+    int                   yy_lex_string_state; /* lex start condition (STRING) */
+    yang_stmt            *yy_module;       /* top-level (sub)module - return value of 
+					      parser */
+};
+
+/* This is a malloced piece of code we attach to cligen objects used as db-specs.
+ * So if(when) we translate cg_obj to yang_obj (or something). These are the fields
+ * we should add.
+ */
+struct yang_userdata{
+    char             *du_indexvar;  /* (clicon) This command is a list and
+				       this string is the key/index of the list 
+				    */
+    char             *du_yang;    /* (clicon) Save yang key for cli 
+				       generation */
+    int               du_optional; /* (clicon) Optional element in list */
+    struct cg_var    *du_default;   /* default value(clicon) */
+    char              du_vector;    /* (clicon) Possibly more than one element */
+};
+
+/*
+ * Variables
+ */
+extern char *clicon_yang_parsetext;
+
+/*
+ * Prototypes
+ */
+int yang_scan_init(struct clicon_yang_yacc_arg *ya);
+int yang_scan_exit(struct clicon_yang_yacc_arg *ya);
+
+int yang_parse_init(struct clicon_yang_yacc_arg *ya, yang_spec *ysp);
+int yang_parse_exit(struct clicon_yang_yacc_arg *ya);
+
+int clicon_yang_parselex(void *_ya);
+int clicon_yang_parseparse(void *);
+void clicon_yang_parseerror(void *_ya, char*);
+
+int ystack_pop(struct clicon_yang_yacc_arg *ya);
+struct ys_stack *ystack_push(struct clicon_yang_yacc_arg *ya, yang_node *yn);
+
+#endif	/* _CLICON_YANG_PARSE_H_ */