lsst.pex.policy  19.0.0-1-gad49e94+1
PAFParser.h
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24 
35 #ifndef LSST_PEX_POLICY_PAF_TOKENIZER_H
36 #define LSST_PEX_POLICY_PAF_TOKENIZER_H
37 
38 #include <iostream>
39 
41 #include "lsst/pex/policy/Policy.h"
42 
43 #include <boost/regex.hpp>
44 
45 namespace lsst {
46 namespace pex {
47 namespace policy {
48 namespace paf {
49 
53 class PAFParser : public PolicyParser {
54 public:
55 
60  PAFParser(Policy& policy);
61 
70  PAFParser(Policy& policy, bool strict);
71 
75  virtual ~PAFParser();
76 
83  virtual int parse(std::istream& is);
84 
85 private:
86  // read next line from stream into the line string
87  std::ios::iostate _nextLine(std::istream& is, std::string& line);
88 
89  // push a line back onto the stream
90  void _pushBackLine(const std::string& line);
91 
92  int _parseIntoPolicy(std::istream& is, Policy& policy);
93  int _addValue(const std::string& propname, std::string& value,
94  Policy& policy, std::istream& is);
95 
96  static const boost::regex COMMENT_LINE;
97  static const boost::regex EMPTY_LINE;
98  static const boost::regex SPACE_SRCH;
99  static const boost::regex PARAM_SRCH;
100  static const boost::regex NAME_MTCH;
101  static const boost::regex OPEN_SRCH;
102  static const boost::regex CLOSE_SRCH;
103  static const boost::regex DOUBLE_VALUE;
104  static const boost::regex INT_VALUE;
105  static const boost::regex ATRUE_VALUE;
106  static const boost::regex AFALSE_VALUE;
107  static const boost::regex QQSTRING_VALUE;
108  static const boost::regex QSTRING_VALUE;
109  static const boost::regex QQSTRING_START;
110  static const boost::regex QSTRING_START;
111  static const boost::regex QQSTRING_EMPTYSTART;
112  static const boost::regex QSTRING_EMPTYSTART;
113  static const boost::regex QQSTRING_END;
114  static const boost::regex QSTRING_END;
115  static const boost::regex BARE_STRING_LINE;
116  static const boost::regex BARE_STRING;
117  static const boost::regex URN_VALUE;
118  static const boost::regex FILE_VALUE;
119 
120  // the policy reference, Policy& _pol, is a member of the parent class
121  std::list<std::string> _buffer;
122  int _lineno;
123  int _depth;
124 };
125 
126 
127 }}}} // end lsst::pex::policy::paf
128 #endif // LSST_PEX_POLICY_PAF_PAFPARSER_H
lsst::pex::policy::PolicyParser
an abstract class for parsing serialized Policy data and loading it into a Policy object.
Definition: PolicyParser.h:46
std::string
STL class.
std::list< std::string >
PolicyParser.h
definition of the PolicyParser class
lsst::pex::policy::Policy
a container for holding hierarchical configuration data in memory.
Definition: Policy.h:167
lsst::pex::policy::paf::PAFParser
a parser for reading PAF-formatted data into a Policy object
Definition: PAFParser.h:53
lsst::pex::policy::paf::PAFParser::parse
virtual int parse(std::istream &is)
parse the data found on the given stream
lsst::pex::policy::paf::PAFParser::~PAFParser
virtual ~PAFParser()
delete this parser
Policy.h
lsst::pex::policy::paf::PAFParser::PAFParser
PAFParser(Policy &policy, bool strict)
create a parser to load a Policy
lsst
lsst::pex::policy::paf::PAFParser::PAFParser
PAFParser(Policy &policy)
create a parser to load a Policy
std::istream
STL class.