IniParser.cc

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#include <iostream>
#include <sstream>

#include "zypp/base/Logger.h"
#include "zypp/base/String.h"
#include "zypp/base/IOStream.h"
#include "zypp/base/UserRequestException.h"

#include "zypp/parser/ParseException.h"
#include "zypp/parser/IniParser.h"
#include "zypp/ProgressData.h"

using std::endl;

namespace zypp
{ 
namespace parser
{ 

//
//      METHOD NAME : IniParser::IniParser
//      METHOD TYPE : Ctor
//
IniParser::IniParser()
  : _line_nr(0)
{}

//
//      METHOD NAME : IniParser::~IniParser
//      METHOD TYPE : Dtor
//
IniParser::~IniParser()
{}

void IniParser::beginParse()
{}

void IniParser::consume( const std::string &section, const std::string &key, const std::string &value )
{}

void IniParser::consume( const std::string &section )
{}

void IniParser::endParse()
{}

//
//      METHOD NAME : IniParser::parse
//      METHOD TYPE : void
//
void IniParser::parse( const InputStream & input_r, const ProgressData::ReceiverFnc & progress )
{
  MIL << "Start parsing " << input_r << endl;
  _inputname = input_r.name();
  beginParse();

  ProgressData ticks( makeProgressData( input_r ) );
  ticks.sendTo(progress);
  ticks.toMin();

  iostr::EachLine line( input_r );
  for ( ; line; line.next() )
  {
    std::string trimmed = str::trim(*line);

    if (trimmed.empty() || trimmed[0] == ';' || trimmed[0] == '#')
      continue ; /* Comment lines */

    if (trimmed[0] == '[')
    {
      std::string section = trimmed.substr(1, trimmed.find(']')-1);
      consume(section);
      section.swap(_current_section);
      continue;
    }

    std::string::size_type pos = trimmed.find('=');

    if (pos != std::string::npos)
    {
      std::string key = str::rtrim(trimmed.substr(0, pos));
      if(key.find_first_of(" \t") != std::string::npos) {
        std::string msg = str::form("%s: Key in line %d contains whitespace", _inputname.c_str(), line.lineNo());
        ZYPP_THROW(ParseException(msg));
      }
      std::string value = str::ltrim(trimmed.substr(pos+1));
      consume( _current_section, key, value);
    }
    else
    {
      std::string msg = str::form("%s: Line %d is missing '=' sign", _inputname.c_str(), line.lineNo());
      ZYPP_THROW(ParseException(msg));
    }

    // set progress and allow cancel
    if ( ! ticks.set( input_r.stream().tellg() ) )
      ZYPP_THROW(AbortRequestException());
  }
  ticks.toMax();

  endParse();
  _inputname.clear();
  MIL << "Done parsing " << input_r << endl;
}

} // namespace parser
} // namespace zypp