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/* |
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* Copyright (C) 2007 by Daniel Wagner |
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* |
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* This file is part of FFADO |
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* FFADO = Free Firewire (pro-)audio drivers for linux |
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* |
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* FFADO is based upon FreeBoB. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License version 2.1, as published by the Free Software Foundation; |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
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* MA 02110-1301 USA |
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*/ |
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#include "genericavc/avc_vendormodel.h" |
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#include <fstream> |
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#include <istream> |
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#include <iostream> |
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#include <iterator> |
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#include <cerrno> |
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#include <functional> |
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#include <algorithm> |
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using namespace std; |
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static void |
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tokenize(const string& str, |
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vector<string>& tokens, |
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const string& delimiters = " ") |
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{ |
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// Skip delimiters at beginning. |
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string::size_type lastPos = str.find_first_not_of(delimiters, 0); |
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// Find first "non-delimiter". |
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string::size_type pos = str.find_first_of(delimiters, lastPos); |
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|
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while (string::npos != pos || string::npos != lastPos) |
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{ |
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// Found a token, add it to the vector. |
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tokens.push_back(str.substr(lastPos, pos - lastPos)); |
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// Skip delimiters. Note the "not_of" |
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lastPos = str.find_first_not_of(delimiters, pos); |
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// Find next "non-delimiter" |
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pos = str.find_first_of(delimiters, lastPos); |
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} |
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} |
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//------------------------------------------------- |
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GenericAVC::VendorModelEntry::VendorModelEntry() |
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: vendor_id( 0 ) |
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, model_id( 0 ) |
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{ |
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} |
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GenericAVC::VendorModelEntry::VendorModelEntry( const VendorModelEntry& rhs ) |
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: vendor_id( rhs.vendor_id ) |
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, model_id( rhs.model_id ) |
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, vendor_name( rhs.vendor_name ) |
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, model_name( rhs.model_name ) |
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{ |
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} |
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GenericAVC::VendorModelEntry& |
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GenericAVC::VendorModelEntry::operator = ( const VendorModelEntry& rhs ) |
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{ |
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// check for assignment to self |
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if ( this == &rhs ) return *this; |
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vendor_id = rhs.vendor_id; |
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model_id = rhs.model_id; |
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vendor_name = rhs.vendor_name; |
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model_name = rhs.model_name; |
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return *this; |
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} |
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GenericAVC::VendorModelEntry::~VendorModelEntry() |
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{ |
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} |
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GenericAVC::VendorModel::VendorModel( const char* filename ) |
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: m_filename( filename ) |
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{ |
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} |
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GenericAVC::VendorModel::~VendorModel() |
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{ |
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} |
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bool |
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GenericAVC::VendorModel::parse() |
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{ |
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ifstream in ( m_filename.c_str() ); |
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if ( !in ) { |
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perror( m_filename.c_str() ); |
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return false; |
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} |
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string line; |
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while ( !getline( in, line ).eof() ) { |
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string::size_type i = line.find_first_not_of( " \t\n\v" ); |
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if ( i != string::npos && line[i] == '#' ) |
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// this line starts with a '#' -> comment |
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continue; |
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vector<string> tokens; |
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tokenize( line, tokens, "," ); |
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if ( tokens.size() < 4 ) |
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// ignore this line, it has not all needed mandatory entries |
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continue; |
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VendorModelEntry vme; |
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vector<string>::const_iterator it = tokens.begin(); |
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char* tail; |
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errno = 0; |
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vme.vendor_id = strtol( it++->c_str(), &tail, 0 ); |
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vme.model_id = strtol( it++->c_str(), &tail, 0 ); |
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vme.vendor_name = *it++; |
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vme.model_name = *it++; |
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if ( errno ) |
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// string -> int conversion failed |
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continue; |
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vector<string>::const_iterator end = tokens.end(); |
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if ( it != end ) |
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handleAdditionalEntries( vme, tokens, it, end ); |
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m_vendorModelEntries.push_back( vme ); |
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} |
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if ( !in.eof() ) { |
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cerr << "GenericAVC::VendorModel::VendorModel: error in parsing" << endl; |
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return false; |
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} |
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return true; |
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} |
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bool |
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GenericAVC::VendorModel::printTable() const |
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{ |
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// Some debug output |
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cout << "vendorId\t\tmodelId\t\tvendorName\t\t\t\tmodelName" << endl; |
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for ( VendorModelEntryVector::const_iterator it = m_vendorModelEntries.begin(); |
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it != m_vendorModelEntries.end(); |
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++it ) |
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{ |
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cout << it->vendor_id << "\t\t\t" |
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<< it->model_id << "\t" |
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<< it->vendor_name << "\t" |
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<< it->model_name << endl; |
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} |
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return true; |
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} |
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bool |
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GenericAVC::VendorModel::handleAdditionalEntries(VendorModelEntry& vme, |
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vector<string>& v, |
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vector<string>::const_iterator& b, |
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vector<string>::const_iterator& e ) |
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{ |
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return true; |
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} |
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class is_same : public unary_function<GenericAVC::VendorModelEntry, bool> { |
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public: |
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is_same( unsigned int vendor_id, unsigned model_id ) |
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: m_vendor_id( vendor_id ) |
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, m_model_id( model_id ) |
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{} |
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bool operator () ( const GenericAVC::VendorModelEntry& vme ) const { |
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return vme.vendor_id == m_vendor_id && vme.model_id == m_model_id; |
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} |
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private: |
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unsigned int m_vendor_id; |
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unsigned int m_model_id; |
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}; |
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GenericAVC::VendorModelEntry* |
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GenericAVC::VendorModel::find( unsigned int vendor_id, unsigned model_id ) |
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{ |
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VendorModelEntryVector::iterator it = |
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find_if ( m_vendorModelEntries.begin(), |
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m_vendorModelEntries.end(), |
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is_same( vendor_id, model_id ) ); |
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if ( it != m_vendorModelEntries.end() ) |
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return &*it; |
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return 0; |
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} |
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const GenericAVC::VendorModelEntryVector& |
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GenericAVC::VendorModel::getVendorModelEntries() const |
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{ |
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return m_vendorModelEntries; |
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} |
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