/* clipper_types.cpp: implementation file for clipper helper functions */
//C Copyright (C) 2000-2006 Kevin Cowtan and University of York
//L
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#include "clipper_types.h"

#include <sstream>


namespace clipper {


String::String( const char* str, const int l )
{
  std::ostringstream s;
  for ( int i = 0; i < l; i++ )
    s << str[i];
  *this = s.str();
}

String::String( const int i, const int w )
{ std::ostringstream s; s.width(w); s << i; *this = s.str(); }

String::String( const long i, const int w )
{ std::ostringstream s; s.width(w); s << i; *this = s.str(); }

String::String( const float f, const int w, const int p )
{ std::ostringstream s; s.width(w); s.precision(p); s << f; *this = s.str(); }

String::String( const double f, const int w, const int p )
{ std::ostringstream s; s.width(w); s.precision(p); s << f; *this = s.str(); }

std::vector<String> String::split(const String sep) const
{
  std::vector<String> splitstr;
  size_t tokbeg = 0, tokend = 0;
  while (1) {
    tokbeg = find_first_not_of(sep, tokend);
    if (tokbeg == String::npos) return splitstr;
    tokend = find_first_of(sep, tokbeg);
    splitstr.push_back( substr(tokbeg, tokend-tokbeg) );
    if (tokend == String::npos) return splitstr;
  }
}

String String::trim() const
{
  String trimmed;
  int i, j;
  for ( i = 0; i < length(); i++ )
    if ( !isspace( (*this)[i] ) ) break;
  for ( j = length()-1; j >= 0; j-- )
    if ( !isspace( (*this)[j] ) ) break;
  return substr( i, j-i+1 );
}

String String::tail() const
{ return substr( rfind( '/' ) + 1 ); }

String String::head() const
{ return substr( 0, find( '/' ) ); }

String String::nohead() const
{
  size_t p = find( '/' );
  return ( p == String::npos ) ? "" : substr( p + 1 );
}

String String::notail() const
{
  size_t p = rfind( '/' );
  return ( p == String::npos ) ? "" : substr( 0, p );
}

String String::rational( const double f, const int b, const bool sign )
{
  std::ostringstream s;
  int n = Util::intr( fabs( b * f ) );
  int d = b;
  if (sign) s << ( ( f > 0 ) ? "+" : "-" );
  else      s << ( ( f > 0 ) ? "" : "-" );
  for ( int i = 5; i > 1; i-- ) {
    if ( ( n % i == 0 ) && ( d % i == 0 ) ) { n /= i; d /= i; }
  }
  s << n;
  if ( d != 1 ) s << "/" << d;
  return s.str();;
}

int String::i() const
{ std::istringstream s(*this); int i; s >> i; return i; }

long String::l() const
{ std::istringstream s(*this); long i; s >> i; return i; }

ftype32 String::f32() const
{ std::istringstream s(*this); float f; s >> f; return f; }

ftype64 String::f64() const
{ std::istringstream s(*this); double f; s >> f; return f; }

ftype String::f() const
{ std::istringstream s(*this); ftype f; s >> f; return f; }

ftype String::rational() const
{
  const String& s = (*this);
  int i;
  for ( i = 0; i < s.length(); i++ ) if ( s[i] == '/' ) break;
  if ( i == s.length() ) return ( s.f() );
  return ( String(s.substr(0,i)).f() / String(s.substr(i+1)).f() );
}


// template compilations

template class Vec3<ftype32>;
template class Mat33<ftype32>;
template class Mat33sym<ftype32>;
template class Matrix<ftype32>;

template class Vec3<ftype64>;
template class Mat33<ftype64>;
template class Mat33sym<ftype64>;
template class Matrix<ftype64>;

} // namespace clipper
