LTP GCOV extension - code coverage report
Current view: directory - ept/core/apt - recordparser.h
Test: lcov.info
Date: 2008-08-14 Instrumented lines: 4
Code covered: 100.0 % Executed lines: 4

       1                 : // -*- C++ -*-
       2                 : #ifndef EPT_CORE_APT_RECORDPARSER_H
       3                 : #define EPT_CORE_APT_RECORDPARSER_H
       4                 : 
       5                 : /** \file
       6                 :  * Parser for APT records
       7                 :  */
       8                 : 
       9                 : /*
      10                 :  * Copyright (C) 2007  Enrico Zini <enrico@enricozini.org>
      11                 :  *
      12                 :  * This library is free software; you can redistribute it and/or
      13                 :  * modify it under the terms of the GNU Lesser General Public
      14                 :  * License as published by the Free Software Foundation; either
      15                 :  * version 2.1 of the License, or (at your option) any later version.
      16                 :  *
      17                 :  * This library is distributed in the hope that it will be useful,
      18                 :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      19                 :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      20                 :  * Lesser General Public License for more details.
      21                 :  *
      22                 :  * You should have received a copy of the GNU Lesser General Public
      23                 :  * License along with this library; if not, write to the Free Software
      24                 :  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
      25                 :  */
      26                 : 
      27                 : #include <vector>
      28                 : #include <string>
      29                 : 
      30                 : namespace ept {
      31                 : namespace core {
      32                 : namespace record {
      33                 : 
      34                 : /**
      35                 :  * Access the fields of a package record contained inside a std::string.
      36                 :  *
      37                 :  * Implementation note: this implementation should take advantage of
      38                 :  * std::string sharing buffer space among them.
      39                 :  */
      40                 : class RecordParser
      41            1310 : {
      42                 :         /// Buffer containing the whole record
      43                 :         std::string buffer;
      44                 : 
      45                 :         /// End offsets of the various fields in the record
      46                 :         std::vector<size_t> ends;
      47                 : 
      48                 :         /// Indexes on the ends vector, sorted by field name
      49                 :         std::vector<size_t> sorted;
      50                 : 
      51                 : public:
      52                 :         RecordParser() {}
      53            1310 :         RecordParser(const std::string& str) { scan(str); }
      54                 : 
      55                 :         /// Index a new record
      56                 :         void scan(const std::string& str);
      57                 : 
      58                 :         /**
      59                 :          * Get the index of the field with the given name.
      60                 :          *
      61                 :          * size() is returned if not found
      62                 :          */
      63                 :         size_t index(const std::string& str) const;
      64                 : 
      65                 :         /// Return the field by its index
      66                 :         std::string field(size_t idx) const;
      67                 : 
      68                 :         /// Return the name of a field by its index
      69                 :         std::string name(size_t idx) const;
      70                 : 
      71                 :         /// Return the content of a field by its index
      72                 :         std::string lookup(size_t idx) const;
      73                 : 
      74                 :         /// Return the content of a field by its name
      75            1310 :         std::string lookup(const std::string& name) const { return lookup(index(name)); }
      76                 : 
      77                 :         /// Return the content of a field by its index
      78                 :         std::string operator[](size_t idx) const { return lookup(idx); }
      79                 : 
      80                 :         /// Return the content of a field by its name
      81                 :         std::string operator[](const std::string& name) const { return lookup(name); }
      82                 : 
      83                 :         /// Return the entire record
      84                 :         const std::string& record() const { return buffer; }
      85                 : 
      86                 :         /// Return the entire record
      87                 :         std::string record() { return buffer; }
      88                 : 
      89                 :         /// Return the number of fields in the record
      90            1311 :         size_t size() const { return ends.size(); }
      91                 : };
      92                 : 
      93                 : }
      94                 : }
      95                 : }
      96                 : 
      97                 : // vim:set ts=4 sw=4:
      98                 : #endif

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