| /* |
| |
| Copyright (C) 1997,1998,1999,2000,2001 Franz Josef Och |
| |
| mkcls - a program for making word classes . |
| |
| 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. |
| |
| */ |
| |
| |
| |
| #ifndef ARRAY_H_DEFINED |
| #define ARRAY_H_DEFINED |
| using namespace std; |
| #include "myassert.h" |
| #include <algorithm> |
| #include <string> |
| #include <utility> |
| #include <functional> |
| #include "my.h" |
| |
| #define ARRAY_DEBUG |
| |
| |
| template<class T> class Array |
| { |
| private: |
| T *p; |
| int realSize; |
| int maxWritten; |
| char a; |
| |
| void copy(T *a,const T *b,int n); |
| void copy(T *a,T *b,int n); |
| void _expand(); |
| |
| public: |
| Array() |
| : p(0),realSize(0),maxWritten(-1) ,a(1) |
| { |
| #ifdef VERY_ARRAY_DEBUG |
| cout << "MAKE ARRAY: " << this<<" "<<(void*)p << endl; |
| #endif |
| } |
| Array(const Array<T> &x) |
| : p(new T[x.maxWritten+1]),realSize(x.maxWritten+1),maxWritten(x.maxWritten),a(x.a) |
| { |
| copy(p,x.p,realSize); |
| #ifdef VERY_ARRAY_DEBUG |
| cout << "MAKE ARRAY copy: " << this << " " << realSize <<" "<<(void*)p<< endl; |
| #endif |
| } |
| explicit Array(int n) |
| : p(new T[n]),realSize(n),maxWritten(n-1),a(0) |
| { |
| #ifdef VERY_ARRAY_DEBUG |
| cout << "MAKE ARRAY with parameter n: " << this << " " << realSize<<" "<<(void*)p << endl; |
| #endif |
| } |
| Array(int n,const T&_init,int _a=0) |
| : p(new T[n]),realSize(n),maxWritten(n-1),a(_a) |
| { |
| for(int iii=0;iii<n;iii++)p[iii]=_init; |
| #ifdef VERY_ARRAY_DEBUG |
| cout << "MAKE ARRAY with parameter n and init: " << this << " " << realSize<<" "<<(void*)p << endl; |
| #endif |
| } |
| |
| ~Array() |
| { |
| #ifdef VERY_ARRAY_DEBUG |
| cout << "FREE ARRAY: " << this << " " << realSize<<" "<<(void*)p << endl; |
| #endif |
| delete [] p; |
| } |
| |
| Array<T>& operator=(const Array<T>&x) |
| { |
| if( this!= &x ) |
| { |
| #ifdef VERY_ARRAY_DEBUG |
| cout << "FREE ARRAY because of operator=: " << this << " " << realSize<<" "<<(void*)p << endl; |
| #endif |
| |
| delete [] p; |
| realSize = x.maxWritten+1; |
| maxWritten = x.maxWritten; |
| a = x.a; |
| p = new T[realSize]; |
| copy(p,x.p,realSize); |
| #ifdef VERY_ARRAY_DEBUG |
| cout << "NEW ARRAY because of operator=: " << this << " " << realSize<<" "<<(void*)p << endl; |
| #endif |
| } |
| return *this; |
| } |
| |
| Array<T>& operator=(Array<T>&x) |
| { |
| if( this!= &x ) |
| { |
| #ifdef VERY_ARRAY_DEBUG |
| cout << "FREE ARRAY because of operator=: " << this << " " << realSize<<" "<<(void*)p << endl; |
| #endif |
| delete [] p; |
| realSize = x.maxWritten+1; |
| maxWritten = x.maxWritten; |
| a = x.a; |
| p = new T[realSize]; |
| copy(p,x.p,realSize); |
| #ifdef VERY_ARRAY_DEBUG |
| cout << "NEW ARRAY because of operator=: " << this << " " << realSize<<" "<<(void*)p << endl; |
| #endif |
| } |
| return *this; |
| } |
| |
| void allowAccess(int n) |
| { |
| while( realSize<=n ) |
| _expand(); |
| maxWritten=max(maxWritten,n); |
| massert( maxWritten<realSize ); |
| } |
| void resize(int n) |
| { |
| while( realSize<n ) |
| _expand(); |
| maxWritten=n-1; |
| } |
| void sort(int until=-1) |
| { |
| if( until== -1 ) until=size(); |
| std::sort(p,p+until); |
| } |
| void invsort(int until=-1) |
| { |
| if( until== -1 ) until=size(); |
| std::sort(p,p+until,greater<T>()); |
| } |
| void init(int n,const T&_init,bool _a=0) |
| { |
| #ifdef VERY_ARRAY_DEBUG |
| cout << "FREE ARRAY because of init: " << this << " " << realSize<<" "<<(void*)p << endl; |
| #endif |
| delete []p; |
| p=new T[n]; |
| realSize=n; |
| a=_a; |
| maxWritten=n-1; |
| for(int iii=0;iii<n;iii++)p[iii]=_init; |
| #ifdef VERY_ARRAY_DEBUG |
| cout << "NEW ARRAY because of init: " << this << " " << realSize<<" "<<(void*)p << endl; |
| #endif |
| } |
| inline int size() const |
| {massert( maxWritten<realSize ); |
| return maxWritten+1;} |
| inline int low() const |
| { return 0; } |
| inline int high() const |
| { return maxWritten; } |
| inline bool autoexpand() const |
| {return a;} |
| inline void autoexpand(bool autoExp) |
| {a=autoExp;} |
| int findMax() const; |
| int findMin() const; |
| void errorAccess(int n) const; |
| inline T*getPointerToData(){return p;} |
| |
| inline T& operator[](int n) |
| { |
| if( a && n==maxWritten+1 ) |
| allowAccess(n); |
| if( n<0 || n>maxWritten ) |
| errorAccess(n); |
| return p[n]; |
| } |
| inline const T& operator[](int n) const |
| { |
| if(n<0 || n>maxWritten ) |
| errorAccess(n); |
| return p[n]; |
| } |
| const T&top(int n=0) const |
| {return (*this)[maxWritten-n];} |
| T&top(int n=0) |
| {return (*this)[maxWritten-n];} |
| T&push(const T&x) |
| { |
| (*this)[maxWritten+1]=x; |
| return top(); |
| } |
| bool writeTo(ostream&out) const |
| { |
| out << "Array "; |
| out << size() << " "; |
| out << a << endl; |
| for(int iv=0;iv<=maxWritten;iv++) |
| { |
| writeOb(out,(*this)[iv]); |
| out << endl; |
| } |
| return 1; |
| } |
| bool readFrom(istream&in) |
| { |
| string s; |
| if( !in ) |
| { |
| cerr << "ERROR(Array): file cannot be opened.\n"; |
| return 0; |
| } |
| in >> s; |
| if( !(s=="Array") ) |
| { |
| cerr << "ERROR(Array): Array!='"<<s<<"'\n"; |
| return 0; |
| } |
| int biggest; |
| in >> biggest; |
| in >> a; |
| resize(biggest); |
| for(int iv=0;iv<size();iv++) |
| { |
| readOb(in,(*this)[iv]); |
| } |
| return 1; |
| } |
| }; |
| |
| template<class T> bool operator==(const Array<T> &x, const Array<T> &y) |
| { |
| if( &x == &y ) |
| return 1; |
| else |
| { |
| if( y.size()!=x.size() ) |
| return 0; |
| else |
| { |
| for(int iii=0;iii<x.size();iii++) |
| if( !(x[iii]==y[iii]) ) |
| return 0; |
| return 1; |
| } |
| } |
| } |
| |
| template<class T> bool operator<(const Array<T> &x, const Array<T> &y) |
| { |
| if( &x == &y ) |
| return 0; |
| else |
| { |
| if( y.size()<x.size() ) |
| return !(y<x); |
| for(int iii=0;iii<x.size();iii++) |
| { |
| massert( iii!=y.size() ); |
| if( x[iii]<y[iii] ) |
| return 1; |
| else if( y[iii]<x[iii] ) |
| return 0; |
| } |
| return x.size()!=y.size(); |
| } |
| } |
| |
| |
| template<class T> void Array<T>:: errorAccess(int n) const |
| { |
| cerr << "ERROR: Access to array element " << n |
| << " (" << maxWritten << "," << realSize << "," << (void*)p << " " << a << ")\n"; |
| cout << "ERROR: Access to array element " << n |
| << " (" << maxWritten << "," << realSize << "," << (void*)p << " " << a << ")\n"; |
| massert(0); |
| #ifndef DEBUG |
| abort(); |
| #endif |
| } |
| |
| template<class T> ostream& operator<<(ostream&o,const Array<T>&a) |
| { |
| o << "Array(" << a.size() << "," << a.autoexpand() << "){ "; |
| for(int iii=0;iii<a.size();iii++) |
| o << " " << iii<< ":" << a[iii]<<";"; |
| return o << "}\n"; |
| } |
| |
| template<class T> istream& operator>>(istream&in, Array<T>&) |
| {return in;} |
| |
| template<class T> int Hash(const Array<T>&a) |
| { |
| int n=0; |
| for(int iii=0;iii<a.size();iii++) |
| n+=Hash(a[iii])*(iii+1); |
| return n+a.size()*47; |
| } |
| template<class T> void Array<T>::copy(T *aa,const T *bb,int n) |
| { |
| for(int iii=0;iii<n;iii++) |
| aa[iii]=bb[iii]; |
| } |
| template<class T> void Array<T>::copy(T *aa,T *bb,int n) |
| { |
| for(int iii=0;iii<n;iii++) |
| aa[iii]=bb[iii]; |
| } |
| |
| template<class T> void Array<T>::_expand() |
| { |
| #ifdef VERY_ARRAY_DEBUG |
| cout << "FREE ARRAY because of _expand: " << this << " " << realSize<<" "<<(void*)p << endl; |
| #endif |
| T *oldp=p; |
| int oldsize=realSize; |
| realSize=realSize*2+1; |
| p=new T[realSize]; |
| copy(p,oldp,oldsize); |
| delete [] oldp; |
| #ifdef VERY_ARRAY_DEBUG |
| cout << "NEW ARRAY because of _expand: " << this << " " << realSize<<" "<<(void*)p << endl; |
| #endif |
| } |
| |
| template<class T> int Array<T>::findMax() const |
| { |
| if( size()==0 ) |
| return -1; |
| else |
| { |
| int maxPos=0; |
| for(int iii=1;iii<size();iii++) |
| if( (*this)[maxPos]<(*this)[iii] ) |
| maxPos=iii; |
| return maxPos; |
| } |
| } |
| template<class T> int Array<T>::findMin() const |
| { |
| if( size()==0 ) |
| return -1; |
| else |
| { |
| int minPos=0; |
| for(int iii=1;iii<size();iii++) |
| if( (*this)[iii]<(*this)[minPos] ) |
| minPos=iii; |
| return minPos; |
| } |
| } |
| |
| #endif |