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C# InflaterHuffmanTree.GetSymbol方法代码示例

本文整理汇总了C#中ICSharpCode.SharpZipLib.Zip.Compression.InflaterHuffmanTree.GetSymbol方法的典型用法代码示例。如果您正苦于以下问题:C# InflaterHuffmanTree.GetSymbol方法的具体用法?C# InflaterHuffmanTree.GetSymbol怎么用?C# InflaterHuffmanTree.GetSymbol使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在ICSharpCode.SharpZipLib.Zip.Compression.InflaterHuffmanTree的用法示例。


在下文中一共展示了InflaterHuffmanTree.GetSymbol方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: Decode

		public bool Decode(StreamManipulator input)
		{
			decode_loop:
				for (;;) {
					switch (mode) {
						case LNUM:
							lnum = input.PeekBits(5);
							if (lnum < 0) {
								return false;
							}
							lnum += 257;
							input.DropBits(5);
							//  	    System.err.println("LNUM: "+lnum);
							mode = DNUM;
							goto case DNUM; // fall through
						case DNUM:
							dnum = input.PeekBits(5);
							if (dnum < 0) {
								return false;
							}
							dnum++;
							input.DropBits(5);
							//  	    System.err.println("DNUM: "+dnum);
							num = lnum+dnum;
							litdistLens = new byte[num];
							mode = BLNUM;
							goto case BLNUM; // fall through
						case BLNUM:
							blnum = input.PeekBits(4);
							if (blnum < 0) {
								return false;
							}
							blnum += 4;
							input.DropBits(4);
							blLens = new byte[19];
							ptr = 0;
							//  	    System.err.println("BLNUM: "+blnum);
							mode = BLLENS;
							goto case BLLENS; // fall through
						case BLLENS:
							while (ptr < blnum) {
								int len = input.PeekBits(3);
								if (len < 0) {
									return false;
								}
								input.DropBits(3);
								//  		System.err.println("blLens["+BL_ORDER[ptr]+"]: "+len);
								blLens[BL_ORDER[ptr]] = (byte) len;
								ptr++;
							}
							blTree = new InflaterHuffmanTree(blLens);
							blLens = null;
							ptr = 0;
							mode = LENS;
							goto case LENS; // fall through
						case LENS: 
						{
							int symbol;
							while (((symbol = blTree.GetSymbol(input)) & ~15) == 0) {
								/* Normal case: symbol in [0..15] */
							
								//  		  System.err.println("litdistLens["+ptr+"]: "+symbol);
								litdistLens[ptr++] = lastLen = (byte)symbol;
							
								if (ptr == num) {
									/* Finished */
									return true;
								}
							}
						
							/* need more input ? */
							if (symbol < 0) {
								return false;
							}
						
							/* otherwise repeat code */
							if (symbol >= 17) {
								/* repeat zero */
								//  		  System.err.println("repeating zero");
								lastLen = 0;
							} else {
								if (ptr == 0) {
									throw new SharpZipBaseException();
								}
							}
							repSymbol = symbol-16;
						}
							mode = REPS;
							goto case REPS; // fall through
						case REPS:
						{
							int bits = repBits[repSymbol];
							int count = input.PeekBits(bits);
							if (count < 0) {
								return false;
							}
							input.DropBits(bits);
							count += repMin[repSymbol];
							//  	      System.err.println("litdistLens repeated: "+count);
							
//.........这里部分代码省略.........
开发者ID:dbremner,项目名称:keepass2,代码行数:101,代码来源:InflaterDynHeader.cs

示例2: Decode

        public bool Decode(StreamManipulator input)
        {
            decode_loop:
                for (;;) {
                    switch (mode) {
                        case LNUM:
                            lnum = input.PeekBits(5);
                            if (lnum < 0) {
                                return false;
                            }
                            lnum += 257;
                            input.DropBits(5);

                            mode = DNUM;
                            goto case DNUM;
                        case DNUM:
                            dnum = input.PeekBits(5);
                            if (dnum < 0) {
                                return false;
                            }
                            dnum++;
                            input.DropBits(5);
                            num = lnum+dnum;
                            litdistLens = new byte[num];
                            mode = BLNUM;
                            goto case BLNUM;
                        case BLNUM:
                            blnum = input.PeekBits(4);
                            if (blnum < 0) {
                                return false;
                            }
                            blnum += 4;
                            input.DropBits(4);
                            blLens = new byte[19];
                            ptr = 0;
                            mode = BLLENS;
                            goto case BLLENS;
                        case BLLENS:
                            while (ptr < blnum) {
                                int len = input.PeekBits(3);
                                if (len < 0) {
                                    return false;
                                }
                                input.DropBits(3);

                                blLens[BL_ORDER[ptr]] = (byte) len;
                                ptr++;
                            }
                            blTree = new InflaterHuffmanTree(blLens);
                            blLens = null;
                            ptr = 0;
                            mode = LENS;
                            goto case LENS;
                        case LENS:
                        {
                            int symbol;
                            while (((symbol = blTree.GetSymbol(input)) & ~15) == 0) {

                                litdistLens[ptr++] = lastLen = (byte)symbol;

                                if (ptr == num) {
                                    return true;
                                }
                            }

                            if (symbol < 0) {
                                return false;
                            }

                            if (symbol >= 17) {

                                lastLen = 0;
                            } else {
                                if (ptr == 0) {
                                    throw new SharpZipBaseException();
                                }
                            }
                            repSymbol = symbol-16;
                        }
                            mode = REPS;
                            goto case REPS;
                        case REPS:
                        {
                            int bits = repBits[repSymbol];
                            int count = input.PeekBits(bits);
                            if (count < 0) {
                                return false;
                            }
                            input.DropBits(bits);
                            count += repMin[repSymbol];

                            if (ptr + count > num) {
                                throw new SharpZipBaseException();
                            }
                            while (count-- > 0) {
                                litdistLens[ptr++] = lastLen;
                            }

                            if (ptr == num) {

//.........这里部分代码省略.........
开发者ID:NoobSkie,项目名称:taobao-shop-helper,代码行数:101,代码来源:InflaterDynHeader.cs


注:本文中的ICSharpCode.SharpZipLib.Zip.Compression.InflaterHuffmanTree.GetSymbol方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。