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InputParser.hpp
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1 /*
2  * Copyright (c) 2001-2008
3  * DecisionSoft Limited. All rights reserved.
4  * Copyright (c) 2004-2008
5  * Oracle. All rights reserved.
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  * http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  *
19  * $Id$
20  */
21 
22 #ifndef __INPUTPARSER_HPP
23 #define __INPUTPARSER_HPP
24 
25 #include <vector>
26 #include <string>
27 #include <istream>
28 
29 #include <xqilla/framework/XQillaExport.hpp>
30 
31 class XQILLA_API InputParser
32 {
33 public:
34  typedef std::vector<std::string> Args;
35 
36  int parse(std::istream &input, Args &args);
37 
38 private:
39  void reset();
40  void whitespace(Args &args);
41  void character();
42  void escapedCharacter();
43  bool inQuotes();
44  void quote(Args &args, char c);
45  void openCurly();
46  void closeCurly();
47  void endOfArg(Args &args);
48  void addArgument(Args &args, std::string::size_type start, std::string::size_type end);
49  void nextLine(std::istream &input, Args &args);
50 
51  std::string line_;
52  std::string::size_type start_, pos_;
53  char quoteChar_;
54  int curlyBraceDepth_;
55  bool seenNonWS_;
56  bool stripQuotes_;
57 };
58 
59 #endif