xelm support enhanced, now supports simpler predicates

[idzebra-moved-to-github.git] / include / zebra_xpath.h

diff --git a/include/zebra_xpath.h b/include/zebra_xpath.h
new file mode 100644 (file)
index 0000000..d09bf16
--- /dev/null
+++ b/include/zebra_xpath.h
@@ -0,0 +1,35 @@
+/* Moved from zrpn.c -pop */
+
+#ifndef ZEBRA_XPATH_H
+#define ZEBRA_XPATH_H
+
+#define XPATH_STEP_COUNT 10
+struct xpath_predicate {
+    int which;
+    union {
+#define XPATH_PREDICATE_RELATION 1
+        struct {
+            char *name;
+            char *op;
+            char *value;
+        } relation;
+#define XPATH_PREDICATE_BOOLEAN 2
+        struct {
+            const char *op;
+            struct xpath_predicate *left;
+            struct xpath_predicate *right;
+        } boolean;
+    } u;
+};
+
+struct xpath_location_step {
+    char *part;
+    struct xpath_predicate *predicate;
+};
+
+int parse_xpath_str(const char *xpath_string,
+                   struct xpath_location_step *xpath, NMEM mem);
+
+void dump_xp_steps (struct xpath_location_step *xpath, int no);
+
+#endif