This is a little console mode utility program which is able to (de-)compress single files with a static Arithmetic compression algorithm. You could easily add the RLE/BWT/MFT data transformation algorithms. Just rip the corresponding classes

LL(1)语法分析1、实现LL(1)分析中控制程序（表驱动程序）； 2、完成以下描述算术表达式的LL(1)文法的LL(1)分析程序。 G[E]: E→TE′ E′→ATE′|ε T→FT′ T′→MFT′|ε F→ (E)|i A→+|- M→*|/-LL (1) syntax analysis 1, the realization of LL (1) Analysis of control procedures (table-driven procedure

MFT，匹配傅里叶变换，用于含有载波和调频斜率的信号的检测，克服了因为载波导致性能下降的BFT。-MFT, matching the Fourier transform for the slope of the FM carrier and comprising signal detection, to overcome the performance degradation because of the carrier BFT.