1 files changed, 126 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/broker/SelectorToken.h b/qpid/cpp/src/qpid/broker/SelectorToken.h
new file mode 100644
index 0000000000..bd60b69dce
--- /dev/null
+++ b/qpid/cpp/src/qpid/broker/SelectorToken.h
@@ -0,0 +1,126 @@
+#ifndef QPID_BROKER_SELECTORTOKEN_H
+#define QPID_BROKER_SELECTORTOKEN_H
+
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ *
+ */
+
+#include "qpid/broker/BrokerImportExport.h"
+
+#include <iosfwd>
+#include <string>
+#include <stdexcept>
+#include <vector>
+
+namespace qpid {
+namespace broker {
+
+typedef enum {
+    T_EOS,
+    T_NULL,
+    T_TRUE,
+    T_FALSE,
+    T_NOT,
+    T_AND,
+    T_OR,
+    T_IN,
+    T_IS,
+    T_BETWEEN,
+    T_LIKE,
+    T_ESCAPE,
+    T_IDENTIFIER,
+    T_STRING,
+    T_NUMERIC_EXACT,
+    T_NUMERIC_APPROX,
+    T_LPAREN,
+    T_RPAREN,
+    T_COMMA,
+    T_PLUS,
+    T_MINUS,
+    T_MULT,
+    T_DIV,
+    T_EQUAL,
+    T_NEQ,
+    T_LESS,
+    T_GRT,
+    T_LSEQ,
+    T_GREQ
+} TokenType;
+
+struct Token {
+    TokenType type;
+    std::string val;
+    std::string::const_iterator tokenStart;
+
+    Token()
+    {}
+
+    Token(TokenType t, const std::string& v) :
+        type(t),
+        val(v)
+    {}
+
+    Token(TokenType t, const std::string::const_iterator& s, const std::string& v) :
+        type(t),
+        val(v),
+        tokenStart(s)
+    {}
+
+    Token(TokenType t, const std::string::const_iterator& s, const std::string::const_iterator& e) :
+        type(t),
+        val(std::string(s,e)),
+        tokenStart(s)
+    {}
+
+    bool operator==(const Token& r) const
+    {
+        return
+            (type == T_EOS && r.type == T_EOS) ||
+            (type == r.type && val == r.val);
+    }
+};
+
+QPID_BROKER_EXTERN std::ostream& operator<<(std::ostream& os, const Token& t);
+
+class TokenException : public std::range_error {
+public:
+    TokenException(const std::string&);
+};
+
+QPID_BROKER_EXTERN bool tokenise(std::string::const_iterator& s, std::string::const_iterator& e, Token& tok);
+
+class Tokeniser {
+    std::vector<Token> tokens;
+    unsigned int tokp;
+
+    std::string::const_iterator inStart;
+    std::string::const_iterator inp;
+    std::string::const_iterator inEnd;
+
+public:
+    QPID_BROKER_EXTERN Tokeniser(const std::string::const_iterator& s, const std::string::const_iterator& e);
+    QPID_BROKER_EXTERN void returnTokens(unsigned int n = 1);
+    QPID_BROKER_EXTERN const Token& nextToken();
+    QPID_BROKER_EXTERN std::string remaining();
+};
+
+}}
+
+#endif