29 lines
899 B
C++
29 lines
899 B
C++
#ifndef JSC_H
|
|
#define JSC_H
|
|
|
|
/**
|
|
* (C) 2018 Jordan Sherer <kn4crd@gmail.com> - All Rights Reserved
|
|
**/
|
|
|
|
#include <QTextStream>
|
|
#include <QList>
|
|
#include <QMap>
|
|
#include <QPair>
|
|
#include <QVector>
|
|
|
|
typedef QMap<QString, int> CompressionMap; // Map(Word, I) where I is the word index sorted by frequency
|
|
typedef QList<QString> CompressionList; // List(Word) where list is sorted
|
|
typedef QPair<CompressionMap, CompressionList> CompressionTable; // Tuple(Map, List)
|
|
typedef QPair<QVector<bool>, int> CodewordPair; // Tuple(Codeword, N) where N = number of characters
|
|
typedef QVector<bool> Codeword;
|
|
|
|
class JSC
|
|
{
|
|
public:
|
|
static CompressionTable loadCompressionTable(QTextStream &stream);
|
|
static QList<CodewordPair> compress(CompressionTable table, QString text);
|
|
static QString decompress(CompressionTable table, Codeword const& bits);
|
|
};
|
|
|
|
#endif // JSC_H
|