FreeLing  3.1
configfile.h
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00001 
00002 //
00003 //    FreeLing - Open Source Language Analyzers
00004 //
00005 //    Copyright (C) 2004   TALP Research Center
00006 //                         Universitat Politecnica de Catalunya
00007 //
00008 //    This library is free software; you can redistribute it and/or
00009 //    modify it under the terms of the GNU General Public
00010 //    License as published by the Free Software Foundation; either
00011 //    version 3 of the License, or (at your option) any later version.
00012 //
00013 //    This library is distributed in the hope that it will be useful,
00014 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
00015 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00016 //    General Public License for more details.
00017 //
00018 //    You should have received a copy of the GNU General Public
00019 //    License along with this library; if not, write to the Free Software
00020 //    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
00021 //
00022 //    contact: Lluis Padro (padro@lsi.upc.es)
00023 //             TALP Research Center
00024 //             despatx C6.212 - Campus Nord UPC
00025 //             08034 Barcelona.  SPAIN
00026 //
00028 
00029 #ifndef _CONFIGFILE
00030 #define _CONFIGFILE
00031 
00032 #include <string>
00033 #include <fstream>
00034 #include <sstream>
00035 #include <map>
00036 
00037 namespace freeling {
00038 
00045 
00046   class config_file {
00047 
00048   private:
00049     std::map<std::wstring,int> sectionsopen, sectionsclose;
00050 
00051     std::wifstream filestr;
00052     int section;
00053     static const int NONE=-1;
00054     static const int UNKNOWN=-2;
00055     std::wstring filename;  // for error messages and traces
00056 
00057     // true just after section begin
00058     bool section_start;
00059     // prefix that line must have to be considered a comment
00060     std::wstring comment_prefix;
00061     // current line num
00062     int line_num;
00063 
00064     // set at creation time, tells whether to complain about 
00065     // unknown sections or just skip them.
00066     bool skip_unknown_sections;
00067     std::wstring unk_name;
00068 
00069     bool isopensection(const std::wstring &s) const;
00070     bool isclosesection(const std::wstring &s) const;
00071     bool iscomment(const std::wstring &s) const;
00072 
00073   public:
00074     config_file(bool skip=false, const std::wstring &comment=L"##");
00075     ~config_file();
00076     void add_section(const std::wstring &key, int section);
00077     bool open(const std::wstring &fname);
00078     void close();
00079     bool get_content_line(std::wstring &line);
00080     int get_section() const;
00081     int get_line_num() const;
00082     bool at_section_start() const;
00083   };
00084 
00085 }
00086 
00087 #endif