ConfigFile.cc File Reference

#include "Validation/RecoJets/interface/ConfigFile.h"

Go to the source code of this file.

Functions
std::ostream &	operator<< (std::ostream &os, const ConfigFile &cf)
std::istream &	operator>> (std::istream &is, ConfigFile &cf)

Function Documentation

std::ostream& operator<<	(	std::ostream &	os,
		const ConfigFile &	cf
	)

Definition at line 54 of file ConfigFile.cc.

References ConfigFile::myContents, ConfigFile::myDelimiter, and L1TEmulatorMonitor_cff::p.

{
    // Save a ConfigFile to os
    for( ConfigFile::mapci p = cf.myContents.begin();
         p != cf.myContents.end();
         ++p )
    {
        os << p->first << " " << cf.myDelimiter << " ";
        os << p->second << std::endl;
    }
    return os;
}

std::istream& operator>>	(	std::istream &	is,
		ConfigFile &	cf
	)

Definition at line 68 of file ConfigFile.cc.

References combine::key, geometryCSVtoXML::line, ConfigFile::myComment, ConfigFile::myContents, ConfigFile::myDelimiter, ConfigFile::mySentry, pos, createPayload::skip, and ConfigFile::trim().

{
    // Load a ConfigFile from is
    // Read in keys and values, keeping internal whitespace
    typedef std::string::size_type pos;
    const std::string& delim  = cf.myDelimiter;  // separator
    const std::string& comm   = cf.myComment;    // comment
    const std::string& sentry = cf.mySentry;     // end of file sentry
    const pos skip = delim.length();        // length of separator
    
    string nextline = "";  // might need to read ahead to see where value ends
    
    while( is || nextline.length() > 0 )
    {
        // Read an entire line at a time
        string line;
        if( nextline.length() > 0 )
        {
            line = nextline;  // we read ahead; use it now
            nextline = "";
        }
        else
        {
            std::getline( is, line );
        }
        
        // Ignore comments
        line = line.substr( 0, line.find(comm) );
        
        // Check for end of file sentry
        if( sentry != "" && line.find(sentry) != std::string::npos ) return is;
        
        // Parse the line if it contains a delimiter
        pos delimPos = line.find( delim );
        if( delimPos < std::string::npos )
        {
            // Extract the key
            string key = line.substr( 0, delimPos );
            line.replace( 0, delimPos+skip, "" );
            
            // See if value continues on the next line
            // Stop at blank line, next line with a key, end of stream,
            // or end of file sentry
            bool terminate = false;
            while( !terminate && is )
            {
                std::getline( is, nextline );
                terminate = true;
                
                string nlcopy = nextline;
                ConfigFile::trim(nlcopy);
                if( nlcopy == "" ) continue;
                
                nextline = nextline.substr( 0, nextline.find(comm) );
                if( nextline.find(delim) != std::string::npos )
                    continue;
                if( sentry != "" && nextline.find(sentry) != std::string::npos )
                    continue;
                
                nlcopy = nextline;
                ConfigFile::trim(nlcopy);
                if( nlcopy != "" ) line += "\n";
                line += nextline;
                terminate = false;
            }
            
            // Store key and value
            ConfigFile::trim(key);
            ConfigFile::trim(line);
            cf.myContents[key] = line;  // overwrites if key is repeated
        }
    }
    
    return is;
}