示例#1
0
        public static VTDNav parseString(String s)
        {
            VTDGen vg = new VTDGen();

            System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding();

            vg.setDoc(encoding.GetBytes(s));

            vg.parse(true);

            return(vg.getNav());
        }
示例#2
0
        static void Main(string[] args)
        {
            VTDGen vg = new VTDGen();

            vg.setDoc(getBytes("<root>good</root>"));
            vg.parse(true);
            VTDNav vn = vg.getNav();
            int    i  = vn.getText();

            //print "good"
            Console.WriteLine("text ---> " + vn.toString(i));
            if (vn.overWrite(i, getBytes("bad")))
            {
                //overwrite, if successful, returns true
                //print "bad" here
                Console.WriteLine("text ---> " + vn.toString(i));
            }
        }
示例#3
0
        public static void Main(String[] args)
        {
            String   xml = "<aaaa> <bbbbb> <ccccc> </ccccc> <ccccc/> <ccccc></ccccc> </bbbbb> </aaaa>";
            Encoding eg  = Encoding.GetEncoding("utf-8");
            VTDGen   vg  = new VTDGen();

            vg.setDoc(eg.GetBytes(xml));
            vg.parse(false);
            VTDNav    vn = vg.getNav();
            AutoPilot ap = new AutoPilot(vn);

            ap.selectXPath("//*");
            XMLModifier xm = new XMLModifier(vn);

            while (ap.evalXPath() != -1)
            {
                xm.updateElementName("d:/lalalala");
            }
            xm.output("lala.xml");
        }
示例#4
0
        public static void readSeparateIndex(System.IO.Stream index, System.IO.Stream XMLBytes, int XMLSize, VTDGen vg)
        {
            if (index == null || vg == null || XMLBytes == null)
            {
                throw new System.ArgumentException("Invalid argument(s) for readIndex()");
            }
            //UPGRADE_TODO: Class 'java.io.DataInputStream' was converted to 'System.IO.BinaryReader'
            //which has a different behavior.
            //"ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javaioDataInputStream'"
            System.IO.BinaryReader dis = new System.IO.BinaryReader(index);
            byte b = dis.ReadByte(); // first byte

            // no check on version number for now
            // second byte
            vg.encoding = dis.ReadByte();
            int intLongSwitch;
            int endian;

            // third byte
            b = dis.ReadByte();
            if ((b & 0x80) != 0)
            {
                intLongSwitch = 1;
            }
            //use ints
            else
            {
                intLongSwitch = 0;
            }
            if ((b & 0x40) != 0)
            {
                vg.ns = true;
            }
            else
            {
                vg.ns = false;
            }
            if ((b & 0x20) != 0)
            {
                endian = 1;
            }
            else
            {
                endian = 0;
            }
            if ((b & 0x1f) != 0)
            {
                throw new IndexReadException("Last 5 bits of the third byte should be zero");
            }

            // fourth byte
            vg.VTDDepth = dis.ReadByte();

            // 5th and 6th byte
            int LCLevel = (((int)dis.ReadByte()) << 8) | dis.ReadByte();

            if (LCLevel != 4 && LCLevel != 6)
            {
                throw new IndexReadException("LC levels must be at least 3");
            }
            // 7th and 8th byte
            vg.rootIndex = (((int)dis.ReadByte()) << 8) | dis.ReadByte();

            // skip a long
            dis.ReadInt64();
            //Console.WriteLine(" l ==>" + l);
            dis.ReadInt64();
            //Console.WriteLine(" l ==>" + l);
            long l = dis.ReadInt64();

            int size;

            // read XML size
            if (BitConverter.IsLittleEndian && endian == 0 ||
                BitConverter.IsLittleEndian == false && endian == 1)
            {
                size = (int)l;
            }
            else
            {
                size = (int)reverseLong(l);
            }


            // read XML bytes
            byte[] XMLDoc = new byte[size];
            XMLBytes.Read(XMLDoc, 0, size);

            //dis.Read(XMLDoc, 0, size);

            /*if ((size & 0x7) != 0)
             * {
             *  int t = (((size >> 3) + 1) << 3) - size;
             *  while (t > 0)
             *  {
             *      dis.ReadByte();
             *      t--;
             *  }
             * }*/

            vg.setDoc(XMLDoc);
            // skip a long
            dis.ReadInt64();
            //Console.WriteLine(" l ==>" + l);
            dis.ReadInt64();
            //Console.WriteLine(" l ==>" + l);
            if (BitConverter.IsLittleEndian && endian == 0 ||
                BitConverter.IsLittleEndian == false && endian == 1)
            {
                // read vtd records
                int vtdSize = (int)dis.ReadInt64();
                while (vtdSize > 0)
                {
                    vg.VTDBuffer.append(dis.ReadInt64());
                    vtdSize--;
                }
                // read L1 LC records
                int l1Size = (int)dis.ReadInt64();
                while (l1Size > 0)
                {
                    vg.l1Buffer.append(dis.ReadInt64());
                    l1Size--;
                }
                // read L2 LC records
                int l2Size = (int)dis.ReadInt64();
                while (l2Size > 0)
                {
                    vg.l2Buffer.append(dis.ReadInt64());
                    l2Size--;
                }
                // read L3 LC records
                int l3Size = (int)dis.ReadInt64();
                if (vg.shallowDepth)
                {
                    if (intLongSwitch == 1)
                    {
                        //l3 uses ints
                        while (l3Size > 0)
                        {
                            vg.l3Buffer.append(dis.ReadInt32());
                            l3Size--;
                        }
                    }
                    else
                    {
                        while (l3Size > 0)
                        {
                            vg.l3Buffer.append((int)(dis.ReadInt64() >> 32));
                            l3Size--;
                        }
                    }
                }
                else
                {
                    while (l3Size > 0)
                    {
                        vg._l3Buffer.append(dis.ReadInt64());
                        l3Size--;
                    }

                    int l4Size = (int)dis.ReadInt64();
                    while (l4Size > 0)
                    {
                        vg._l4Buffer.append(dis.ReadInt64());
                        l4Size--;
                    }

                    int l5Size = (int)dis.ReadInt64();
                    if (intLongSwitch == 1)
                    {
                        while (l5Size > 0)
                        {
                            vg._l5Buffer.append(dis.ReadInt32());
                            l5Size--;
                        }
                    }
                    else
                    {
                        while (l5Size > 0)
                        {
                            vg._l5Buffer.append((int)(dis.ReadInt64() >> 32));
                            l5Size--;
                        }
                    }
                }
            }
            else
            {
                // read vtd records
                int vtdSize = (int)reverseLong(dis.ReadInt64());
                while (vtdSize > 0)
                {
                    vg.VTDBuffer.append(reverseLong(dis.ReadInt64()));
                    vtdSize--;
                }
                // read L1 LC records
                int l1Size = (int)reverseLong(dis.ReadInt64());
                while (l1Size > 0)
                {
                    vg.l1Buffer.append(reverseLong(dis.ReadInt64()));
                    l1Size--;
                }
                // read L2 LC records
                int l2Size = (int)reverseLong(dis.ReadInt64());
                while (l2Size > 0)
                {
                    vg.l2Buffer.append(reverseLong(dis.ReadInt64()));
                    l2Size--;
                }
                // read L3 LC records
                int l3Size = (int)reverseLong(dis.ReadInt64());
                if (vg.shallowDepth)
                {
                    if (intLongSwitch == 1)
                    {
                        //l3 uses ints
                        while (l3Size > 0)
                        {
                            vg.l3Buffer.append(reverseInt(dis.ReadInt32()));
                            l3Size--;
                        }
                    }
                    else
                    {
                        while (l3Size > 0)
                        {
                            vg.l3Buffer.append(reverseInt((int)(dis.ReadInt64() >> 32)));
                            l3Size--;
                        }
                    }
                }
                else
                {
                    while (l3Size > 0)
                    {
                        vg._l3Buffer.append(reverseLong(dis.ReadInt64()));
                        l3Size--;
                    }

                    int l4Size = (int)reverseLong(dis.ReadInt64());
                    {
                        vg._l4Buffer.append(reverseLong(dis.ReadInt64()));
                        l4Size--;
                    }

                    int l5Size = (int)reverseLong(dis.ReadInt64());
                    if (intLongSwitch == 1)
                    {
                        //l3 uses ints
                        while (l5Size > 0)
                        {
                            vg._l5Buffer.append(reverseInt(dis.ReadInt32()));
                            l5Size--;
                        }
                    }
                    else
                    {
                        while (l5Size > 0)
                        {
                            vg._l5Buffer.append(reverseInt((int)(dis.ReadInt64() >> 32)));
                            l5Size--;
                        }
                    }
                }
            }
        }