• Main Page
  • Namespaces
  • Classes
  • Files
  • File List
  • File Members

debdbparser.h

Go to the documentation of this file.
00001 #ifndef EPT_DEBTAGS_DEBDBPARSER_H
00002 #define EPT_DEBTAGS_DEBDBPARSER_H
00003 
00008 /*
00009  * Copyright (C) 2003--2007  Enrico Zini <enrico@debian.org>
00010  *
00011  * This program is free software; you can redistribute it and/or modify
00012  * it under the terms of the GNU General Public License as published by
00013  * the Free Software Foundation; either version 2 of the License, or
00014  * (at your option) any later version.
00015  *
00016  * This program is distributed in the hope that it will be useful,
00017  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  * GNU General Public License for more details.
00020  *
00021  * You should have received a copy of the GNU General Public License
00022  * along with this program; if not, write to the Free Software
00023  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00024  */
00025 
00026 #include <tagcoll/input/base.h>
00027 
00028 // TODO: is there a way to forward-declare this?
00029 #include <map>
00030 
00031 namespace tagcoll {
00032 namespace input {
00033 class Input;
00034 }
00035 }
00036 
00037 namespace ept {
00038 namespace debtags {
00039 
00040 /*
00041 class DebDBConsumer
00042 {
00043 public:
00044     virtual void consumeField(const std::string& name, const std::string& val) throw () = 0;
00045     virtual void consumeEndOfRecord() throw () = 0;
00046 };
00047 */
00048 
00052 class DebDBParser
00053 {
00054 protected:
00055     tagcoll::input::Input& in;
00056     bool isBOL;
00057     bool isEOF;
00058 
00059     // Eat spaces and empty lines
00060     // Returns the number of '\n' encountered
00061     int eatSpacesAndEmptyLines();
00062 
00063     // Get the ^([A-Za-z0-9]+) field name
00064     std::string getFieldName();
00065 
00066     // Eat the \s*: characters that divide the field name and the field
00067     // data
00068     void eatFieldSep();
00069 
00070     // Get the \s*(.+?)\s*\n of a body line
00071     void appendFieldBody(std::string& body);
00072 
00073 public:
00074     typedef std::map<std::string, std::string> Record;
00075 
00076     DebDBParser(tagcoll::input::Input& input);
00077 
00078     const std::string& fileName() const throw () { return in.fileName(); }
00079     int lineNumber() const throw () { return in.lineNumber(); }
00080 
00081     // Read a record and positions itself at the start of the next one
00082     // Returns false when there are no more records available
00083     bool nextRecord(Record& rec);
00084 };
00085 
00086 }
00087 }
00088 
00089 // vim:set ts=4 sw=4:
00090 #endif

Generated on Wed Oct 27 2010 12:43:31 for libept by  doxygen 1.7.1