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/*
* Copyright (c) 2001-2002 MUSIC TECHNOLOGY GROUP (MTG)
* UNIVERSITAT POMPEU FABRA
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <list>
#include <fstream>
#include <string>
#include <iostream>
#include <sstream>
#include "Array.hxx"
#include "Complex.hxx"
#include "DataTypes.hxx"
using CLAM::TData;
using CLAM::Complex;
namespace CLAMTest {
using namespace CLAM;
bool WriteOctaveVector(std::ofstream &f,
const Array<Complex > &array,
const std::string &name)
{
// Vector header.
f << "# Created by CLAM library" << std::endl
<< "# name: " << name.c_str() << std::endl
<< "# type: complex matrix" << std::endl
<< "# rows: 1" << std::endl
<< "# columns: " << array.Size() << std::endl;
int i;
for (i=0;i<array.Size(); i++)
f << " (" << array[i].Real() << "," << array[i].Imag() << ")";
f << std::endl;
if (!f)
return false;
return true;
}
bool WriteOctaveVector(std::ofstream &f,
const Array<TData > &array,
const std::string &name)
{
// Vector header.
f << "# Created by CLAM library" << std::endl
<< "# name: " << name.c_str() << std::endl
<< "# type: matrix" << std::endl
<< "# rows: 1" << std::endl
<< "# columns: " << array.Size() << std::endl;
int i;
for (i=0;i<array.Size(); i++)
f << " " << array[i];
f << std::endl;
if (!f)
return false;
return true;
}
bool LoadOctaveTDataVector(std::istream &f,
const std::string &name,
Array<TData> &array)
{
enum { eUnknown, // Reading vector header, about which we still know nothing.
eMatch , // Reading vector header, with matching name
eOther, // Reading vector header, with non-matching name or type
eSkipData, // Skiping data.
eData, // Reading our data.
eError // Name not found, or found with wrong type
} state = eUnknown;
// const std::string state_str[] = {
// std::string("eUnknown"),
// std::string("eMatch"),
// std::string("eOther"),
// std::string("eSkipData"),
// std::string("eData"),
// std::string("eError")
// };
std::string line;
std::string name_line = "# name: ";
name_line += name;
name_line += '\n';
std::string type_start = "# type: ";
std::string rows_start = "# rows: ";
std::string columns_start = "# columns: ";
const std::string good_type_line = "# type: matrix\n";
const std::string good_rows_line = "# rows: 1\n";
std::stringstream sstr;
sstr << array.Size();
std::string good_columns_line = "# columns: ";
good_columns_line += sstr.str();
// std::cerr << "Looking for: " << std::endl
// << name_line
// << good_type_line
// << good_rows_line
// << good_columns_line;
std::stringstream ss;
int pos;
TData *buffer = array.GetPtr();
// NOTE: The parser asumes that there is always "type", "rows"
// and "columns" fields in the header of a vector definition.
// f.seekg(0);
while (f) {
std::getline(f,line);
// std::cerr << " R: " << line << std::endl;
switch(state) {
case eUnknown:
if (line[0]!='#') { // End of header
state=eSkipData;
break;
}
if (line == name_line) {
state=eMatch;
break;
}
if (line != good_type_line &&
line.substr(0,type_start.size())==type_start ) {
state=eOther;
break;
}
if (line != good_rows_line &&
line.substr(0,rows_start.size())==rows_start) {
state=eOther;
break;
}
if (line != good_columns_line &&
line.substr(0,columns_start.size()) == columns_start) {
state=eOther;
break;
}
break;
case eOther:
if (line[0]!='#') { // End of header
state=eSkipData;
break;
}
if (line == name_line)
throw(Err("LoadOctaveTData: found vector with wrong parameters"));
break;
case eSkipData:
if (line[0]=='#') {
// First header line. We can skip it.
state=eUnknown;
break;
}
break;
case eData:
throw(Err("CLAM: Inconsistent state")); //Should never get here
case eMatch:
if ( line != good_type_line &&
line.substr(0,type_start.size())==type_start )
throw(Err("LoadOctaveTData: found vector with wrong type"));
if (line != good_rows_line &&
line.substr(0,rows_start.size())==rows_start)
throw(Err("LoadOctaveTData: found vector with wrong number of rows"));
if (line != good_columns_line &&
line.substr(0,columns_start.size()) == columns_start)
throw(Err("LoadOctaveTData: found vector with wrong number of columns"));
if (line[0]=='#') // End of header
break;
ss.str(line);
ss.seekg(0);
pos=0;
while (1) {
TData point;
ss >> point;
if (ss.eof())
if (pos == array.Size()-1)
return true;
else {
std::cerr << "Eof found while reading pos " << pos << std::endl;
return false;
}
if (ss.good())
if (pos == array.Size()-1) {
std::cerr << "pos = << "<<array.Size()<<"and more data available"<<std::endl;
return false;
}
if (ss.bad()) {
std::cerr << "Input error" << std::endl;
return false;
}
buffer[pos++]=point;
}
default:
throw(Err("Parse error loading octave vector file"));
}
// std::cerr << state_str[state] << std::endl;
}
return false;
}
bool LoadOctaveComplexVector(std::istream &f,
const std::string &name,
Array<Complex> &array)
{
enum { eUnknown, // Reading vector header, about which we still know nothing.
eMatch , // Reading vector header, with matching name
eOther, // Reading vector header, with non-matching name or type
eSkipData, // Skiping data.
eData, // Reading our data.
eError // Name not found, or found with wrong type
} state = eUnknown;
// const std::string state_str[] = {
// std::string("eUnknown"),
// std::string("eMatch"),
// std::string("eOther"),
// std::string("eSkipData"),
// std::string("eData"),
// std::string("eError")
// };
std::string line;
std::stringstream sstr;
sstr.str(name);
sstr.seekp(name.size());
// sstr << std::endl;
std::string name_line = "# name: ";
name_line += sstr.str();
std::string type_start = "# type: ";
std::string rows_start = "# rows: ";
std::string columns_start = "# columns: ";
sstr.str("");
// sstr << std::endl;
std::string good_type_line = "# type: complex matrix";
good_type_line += sstr.str();
std::string good_rows_line = "# rows: 1";
good_rows_line += sstr.str();
sstr.str("");
sstr << array.Size();// << std::endl;
std::string good_columns_line = "# columns: ";
good_columns_line += sstr.str();
// std::cerr << "Looking for: " << std::endl
// << name_line
// << good_type_line
// << good_rows_line
// << good_columns_line;
std::stringstream ss;
int pos;
Complex *buffer = array.GetPtr();
// NOTE: The parser asumes that there is always "type", "rows"
// and "columns" fields in the header of a vector definition.
// f.seekg(0);
while (f) {
std::getline(f,line);
// std::cerr << " R: " << line << std::endl;
switch(state) {
case eUnknown:
if (line[0]!='#') { // End of header
state=eSkipData;
break;
}
if (line == name_line) {
state=eMatch;
break;
}
if (line != good_type_line &&
line.substr(0,type_start.size())==type_start ) {
state=eOther;
break;
}
if (line != good_rows_line &&
line.substr(0,rows_start.size())==rows_start) {
state=eOther;
break;
}
if (line != good_columns_line &&
line.substr(0,columns_start.size()) == columns_start) {
state=eOther;
break;
}
break;
case eOther:
if (line[0]!='#') { // End of header
state=eSkipData;
break;
}
if (line == name_line)
throw(Err("LoadOctaveTData: found vector with wrong parameters"));
break;
case eSkipData:
if (line[0]=='#') {
// First header line. We can skip it.
state=eUnknown;
break;
}
break;
case eData:
throw(Err("CLAM: Inconsistent state")); //Should never get here
case eMatch:
if ( line != good_type_line &&
line.substr(0,type_start.size())==type_start )
throw(Err("LoadOctaveTData: found vector with wrong type"));
if (line != good_rows_line &&
line.substr(0,rows_start.size())==rows_start)
throw(Err("LoadOctaveTData: found vector with wrong number of rows"));
if (line != good_columns_line &&
line.substr(0,columns_start.size()) == columns_start)
throw(Err("LoadOctaveTData: found vector with wrong number of columns"));
if (line[0]=='#') // End of header
break;
ss.str(line);
ss.seekg(0);
pos=0;
while (1) {
std::string point;
ss >> point;
std::stringstream spoint(point);
char c;
TData real,imag;
spoint >> c >> real >> c >> imag >> c;
if (ss.bad()) {
std::cerr << "Input error" << std::endl;
return false;
}
buffer[pos++]=Complex(real,imag);
if (ss.good())
if (pos == array.Size()) {
std::cerr << "pos = << "<<array.Size()<<"and more data available"<<std::endl;
return false;
}
if (ss.eof())
if (pos == array.Size())
return true;
else {
std::cerr << "Eof found while reading pos " << pos << std::endl;
return false;
}
}
default:
throw(Err("Parse error loading octave vector file"));
}
// std::cerr << state_str[state] << std::endl;
}
return false;
}
}
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