Mercurial > 510Connectbot
view src/org/tn5250j/framework/tn5250/WTDSFParser.java @ 10:e773d0952613 tn5250
adding tn5250 files
| author | Carl Byington <carl@five-ten-sg.com> |
|---|---|
| date | Thu, 22 May 2014 16:11:14 -0700 |
| parents | e8d2a24e85c6 |
| children | 5949eb469a79 |
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/** * Title: tn5250J * Copyright: Copyright (c) 2001 * Company: * @author Kenneth J. Pouncey * @version 0.5 * * Description: * * 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, 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 software; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, MA 02111-1307 USA * */ package org.tn5250j.framework.tn5250; import static org.tn5250j.TN5250jConstants.BOTTOM; import static org.tn5250j.TN5250jConstants.GUI_LEFT; import static org.tn5250j.TN5250jConstants.GUI_RIGHT; import static org.tn5250j.TN5250jConstants.LOWER_LEFT; import static org.tn5250j.TN5250jConstants.LOWER_RIGHT; import static org.tn5250j.TN5250jConstants.NO_GUI; import static org.tn5250j.TN5250jConstants.NR_REQUEST_ERROR; import static org.tn5250j.TN5250jConstants.UPPER; import static org.tn5250j.TN5250jConstants.UPPER_LEFT; import static org.tn5250j.TN5250jConstants.UPPER_RIGHT; import java.util.ArrayList; import java.util.List; import org.tn5250j.encoding.ICodePage; import org.tn5250j.tools.logging.TN5250jLogFactory; import org.tn5250j.tools.logging.TN5250jLogger; /** * * Write To Display Structured Field: * * This module will parse the structured field information for enhanced * emulation mode. * */ public class WTDSFParser { private Screen5250 screen52; private tnvt vt; private ICodePage codePage; int pos; byte[] segment; int length; boolean error; boolean guiStructsExist; private TN5250jLogger log = TN5250jLogFactory.getLogger(this.getClass()); private final List<Window> guiStructs = new ArrayList<Window>(3); private final List<ChoiceField> choices = new ArrayList<ChoiceField>(3); WTDSFParser (tnvt vt) { this.vt = vt; screen52 = vt.screen52; codePage = vt.codePage; } protected class ChoiceField { int x; int y; int row; int col; int width; int height; char mnemonic; int fieldId; int selectIndex; ChoiceField(int row, int col, int fldRow, int fldCol) { x = row; y = col; row = fldRow; col = fldCol; } } protected class Window { byte[] window; int pos; Window(byte[] seg, int pos) { //log.info("window created at " + pos); window = seg; this.pos = pos; guiStructsExist = true; } } protected void addChoiceField(int row,int col,int fldRow, int fldCol, String text) { ChoiceField cf = new ChoiceField(row,col, fldRow, fldCol); cf.fieldId = screen52.getScreenFields().getCurrentField().getFieldId(); choices.add(cf); } protected boolean isGuisExists () { return guiStructsExist; } protected byte[] getSegmentAtPos(int pos) { int len = guiStructs.size(); for (int x = 0; x < len; x++) { Window w = guiStructs.get(x); if (w.pos == pos) return w.window; } return null; } protected void clearGuiStructs() { guiStructs.clear(); } protected boolean parseWriteToDisplayStructuredField(byte[] seg) { // bk = vt.bk; error = false; boolean done = false; boolean windowDefined = false; // int nextone; pos = 0; segment = seg; // try { length = (( segment[pos++] & 0xff )<< 8 | (segment[pos++] & 0xff)); while (!done) { int s = segment[pos++] & 0xff; switch (s) { case 0xD9: // Class Type 0xD9 - Create Window switch (segment[pos++]) { case 0x50: // Define Selection Field defineSelectionField(length); done = true; break; case 0x51: // Create Window guiStructs.add(new Window(segment, screen52.getLastPos())); boolean cr = false; int rows = 0; int cols = 0; // pull down not supported yet if ((segment[pos++] & 0x80) == 0x80) cr = true; // restrict cursor pos++; // get reserved field pos 6 pos++; // get reserved field pos 7 rows = segment[pos++]; // get window depth rows pos 8 cols = segment[pos++]; // get window width cols pos 9 length -= 9; if (length == 0) { done = true; // System.out.println("Create Window"); // System.out.println(" restrict cursor " + cr); // System.out.println(" Depth = " + rows + " Width = " + cols); // screen52.createWindow(rows,cols,1,true,32,58, createWindow(rows,cols,1,true,32,58, '.', '.', '.', ':', ':', ':', '.', ':'); windowDefined = true; break; } // pos 10 is Minor Structure int ml = 0; int type = 0; int lastPos = screen52.getLastPos(); // if (cr) // screen52.setPendingInsert(true, // screen52.getCurrentRow(), // screen52.getCurrentCol()); int mAttr = 0; int cAttr = 0; while (length > 0) { // get minor length ml = ( segment[pos++] & 0xff ); length -= ml; // only normal windows are supported at this time type = segment[pos++]; switch (type) { case 0x01 : // Border presentation boolean gui = false; if ((segment[pos++] & 0x80) == 0x80) gui = true; mAttr = segment[pos++]; cAttr = segment[pos++]; char ul = '.'; char upper = '.'; char ur = '.'; char left = ':'; char right = ':'; char ll = ':'; char bottom = '.'; char lr = ':'; // if minor length is greater than 5 then // the border characters are specified if (ml > 5) { ul = codePage.ebcdic2uni(segment[pos++]); // ul = getASCIIChar(segment[pos++]); if (ul == 0) ul = '.'; upper = codePage.ebcdic2uni(segment[pos++]); // upper = getASCIIChar(segment[pos++]); if (upper == 0) upper = '.'; ur = codePage.ebcdic2uni(segment[pos++]); // ur = getASCIIChar(segment[pos++]); if (ur == 0) ur = '.'; left = codePage.ebcdic2uni(segment[pos++]); // left = getASCIIChar(segment[pos++]); if (left == 0) left = ':'; right = codePage.ebcdic2uni(segment[pos++]); // right = getASCIIChar(segment[pos++]); if (right == 0) right = ':'; ll = codePage.ebcdic2uni(segment[pos++]); // ll = getASCIIChar(segment[pos++]); if (ll == 0) ll = ':'; bottom = codePage.ebcdic2uni(segment[pos++]); // bottom = getASCIIChar(segment[pos++]); if (bottom == 0) bottom = '.'; lr = codePage.ebcdic2uni(segment[pos++]); // lr = getASCIIChar(segment[pos++]); if (lr == 0) lr = ':'; } // System.out.println("Create Window"); // System.out.println(" restrict cursor " + cr); // System.out.println(" Depth = " + rows + " Width = " + cols); // System.out.println(" type = " + type + " gui = " + gui); // System.out.println(" mono attr = " + mAttr + " color attr = " + cAttr); // System.out.println(" ul = " + ul + " upper = " + upper + // " ur = " + ur + // " left = " + left + // " right = " + right + // " ll = " + ll + // " bottom = " + bottom + // " lr = " + lr // ); // screen52.createWindow(rows,cols,type,gui,mAttr,cAttr, createWindow(rows,cols,type,gui,mAttr,cAttr, ul, upper, ur, left, right, ll, bottom, lr); windowDefined = true; break; // // The following shows the input for window with a title // // +0000 019A12A0 00000400 00020411 00200107 .?.?..?...?..?. // +0010 00000018 00000011 06131500 37D95180 ........?.?..R?? // +0020 00000A24 0D018023 23404040 40404040 ..??..??? // +0030 40211000 000000D7 C2C1D9C4 C5D4D67A \uFFFD.....PBARDEMO: // +0040 40D79996 879985A2 A2408281 99408485 Progress bar de // +0050 94961108 1520D5A4 94828599 40968640 mo.???Number of // +0060 8595A399 8985A24B 4B4B4B4B 4B7A2011 entries......:?. // +0070 082E2040 404040F5 F0F06BF0 F0F02011 ?.? 500,000?. // +0080 091520C3 A4999985 95A34085 95A399A8 \uFFFD??Current entry // +0090 4095A494 8285994B 4B4B7A20 11092E20 number...:?.\uFFFD.? // +00A0 40404040 4040F56B F0F0F020 110A1520 5,000?.??? // +00B0 D9859481 89958995 87408595 A3998985 Remaining entrie // +00C0 A24B4B4B 4B4B4B7A 20110A2E 20404040 s......:?.?.? // +00D0 40F4F9F5 6BF0F0F0 20110C15 20E2A381 495,000?..??Sta // +00E0 99A340A3 8994854B 4B4B4B4B 4B4B4B4B rt time......... // +00F0 4B4B4B4B 7A20110C 2F2040F7 7AF5F37A ....:?...? 7:53: case 0x10 : // Window title/footer if (!windowDefined) { // screen52.createWindow(rows,cols,1,true,32,58, guiStructs.add(new Window(segment, screen52.getLastPos())); createWindow(rows,cols,1,true,32,58, '.', '.', '.', ':', ':', ':', '.', ':'); windowDefined = true; } byte orientation = segment[pos++]; mAttr = segment[pos++]; cAttr = segment[pos++]; //reserved pos++; ml -= 6; StringBuffer hfBuffer = new StringBuffer(ml); while (ml-- > 0) { //LDC - 13/02/2003 - Convert it to unicode hfBuffer.append(codePage.ebcdic2uni(segment[pos++])); // hfBuffer.append(getASCIIChar(segment[pos++])); } log.debug( " orientation " + Integer.toBinaryString(orientation) + " mAttr " + mAttr + " cAttr " + cAttr + " Header/Footer " + hfBuffer); screen52.writeWindowTitle(lastPos, rows, cols, orientation, mAttr, cAttr, hfBuffer); break; default: log.warn("Invalid Window minor structure"); length = 0; done = true; } } done = true; break; case 0x53: // Scroll Bar int sblen = 15; byte sbflag = segment[pos++]; // flag position 5 pos++; // reserved position 6 // position 7,8 int totalRowScrollable = (( segment[pos++] & 0xff )<< 8 | (segment[pos++] & 0xff)); // position 9,10 int totalColScrollable = (( segment[pos++] & 0xff )<< 8 | (segment[pos++] & 0xff)); // position 11,12 int sliderRowPos = (( segment[pos++] & 0xff )<< 8 | (segment[pos++] & 0xff)); // position 13,14 int sliderColPos = (( segment[pos++] & 0xff )<< 8 | (segment[pos++] & 0xff)); // position 15 int sliderRC = segment[pos++]; screen52.createScrollBar(sbflag,totalRowScrollable, totalColScrollable, sliderRowPos, sliderColPos, sliderRC); length -= 15; done = true; break; case 0x5B: // Remove GUI ScrollBar field pos++; // reserved must be set to off pos 5 pos++; // reserved must be set to zero pos 6 done = true; break; case 0x5F: // Remove All GUI Constructs log.info("remove all gui contructs"); clearGuiStructs(); guiStructsExist = false; int len = 4; int d = 0; length -= s; while (--len > 0) d = segment[pos++]; // if (length > 0) { // len = (segment[pos++] & 0xff )<< 8; // // while (--len > 0) // d = segment[pos++]; // } screen52.clearGuiStuff(); // per 14.6.13.4 documentation we should clear the // format table after this command screen52.clearTable(); done = true; break; case 0x59: // remove gui window log.info(" remove window at " + screen52.getCurrentPos()); done = true; break; case 0x60: // Erase/Draw Grid Lines - not supported // do not know what they are // as of 03/11/2002 we should not be getting // this anymore but I will leave it here // just in case. // System.out.println("erase/draw grid lines " + length); len = 6; d = 0; length -= 9; while (--len > 0) d = segment[pos++]; if (length > 0) { len = (segment[pos++] & 0xff )<< 8; while (--len > 0) { d = segment[pos++]; } } done = true; break; default: vt.sendNegResponse(NR_REQUEST_ERROR,0x03,0x01,0x01,"invalid wtd structured field sub command " + ( pos - 1)); // + bk.getByteOffset(-1)); error = true; break; } break; default: vt.sendNegResponse(NR_REQUEST_ERROR,0x03,0x01,0x01, "invalid wtd structured field command " + (pos - 1)); // + bk.getByteOffset(-1)); error = true; break; } if (error) done = true; } // } // catch (Exception e) {}; return error; } /** * Creates a window on the screen * * @param depth * @param width * @param type * @param gui * @param monoAttr * @param colorAttr * @param ul * @param upper * @param ur * @param left * @param right * @param ll * @param bottom * @param lr */ protected void createWindow(int depth, int width, int type, boolean gui, int monoAttr, int colorAttr, int ul, int upper, int ur, int left, int right, int ll, int bottom, int lr) { int lastPos = screen52.getLastPos(); int numCols = screen52.getColumns(); int c = screen52.getCol(lastPos); int w = 0; width++; w = width; char initChar = Screen5250.initChar; int initAttr = Screen5250.initAttr; // set leading attribute byte screen52.setScreenCharAndAttr(initChar, initAttr, true); // set upper left if (gui) { screen52.setScreenCharAndAttr((char) ul, colorAttr, UPPER_LEFT, false); } else { screen52.setScreenCharAndAttr((char) ul, colorAttr, false); } // draw top row while (w-- >= 0) { if (gui) { screen52.setScreenCharAndAttr((char) upper, colorAttr, UPPER,false); } else { screen52.setScreenCharAndAttr((char) upper, colorAttr, false); } } // set upper right if (gui) { screen52.setScreenCharAndAttr((char) ur, colorAttr, UPPER_RIGHT, false); } else { screen52.setScreenCharAndAttr((char) ur, colorAttr, false); } // set ending attribute byte screen52.setScreenCharAndAttr(initChar, initAttr, true); lastPos = ((screen52.getRow(lastPos) + 1) * numCols) + c; screen52.goto_XY(lastPos); // now handle body of window while (depth-- > 0) { // set leading attribute byte screen52.setScreenCharAndAttr(initChar, initAttr, true); // set left if (gui) { screen52.setScreenCharAndAttr((char) left, colorAttr, GUI_LEFT, false); } else { screen52.setScreenCharAndAttr((char) left, colorAttr, false); } w = width - 2; screen52.setScreenCharAndAttr(initChar, initAttr, NO_GUI, true); // fill it in while (w-- >= 0) { // if (!planes.isUseGui(screen52.getLastPos())) screen52.setScreenCharAndAttr(initChar, initAttr, NO_GUI, false); } screen52.setScreenCharAndAttr(initChar, initAttr, NO_GUI, true); // set right if (gui) { screen52.setScreenCharAndAttr((char) right, colorAttr, GUI_RIGHT, false); } else { screen52.setScreenCharAndAttr((char) right, colorAttr, false); } screen52.setScreenCharAndAttr(initChar, initAttr, true); lastPos = ((screen52.getRow(lastPos) + 1) * numCols) + c; screen52.goto_XY(lastPos); } // set leading attribute byte screen52.setScreenCharAndAttr(initChar, initAttr, true); if (gui) { screen52.setScreenCharAndAttr((char) ll, colorAttr, LOWER_LEFT, false); } else { screen52.setScreenCharAndAttr((char) ll, colorAttr, false); } w = width; // draw bottom row while (w-- >= 0) { if (gui) { screen52.setScreenCharAndAttr((char) bottom, colorAttr, BOTTOM, false); } else { screen52.setScreenCharAndAttr((char) bottom, colorAttr, false); } } // set lower right if (gui) { screen52.setScreenCharAndAttr((char) lr, colorAttr, LOWER_RIGHT, false); } else { screen52.setScreenCharAndAttr((char) lr, colorAttr, false); } // set ending attribute byte screen52.setScreenCharAndAttr(initChar, initAttr, true); } /* *** NEVER USED LOCALLY ************************************************** */ // private void clearWindowBody(ScreenPlanes planes, int startPos, int depth, int width) { // // int lastPos = startPos; // char initChar = Screen5250.initChar; // int initAttr = Screen5250.initAttr; // // // now handle body of window // while (depth-- > 0) { // // // set leading attribute byte //// planes.setScreenCharAndAttr(lastPos,initChar, initAttr, true); //// setDirty(lastPos); //// advancePos(); //// //// // set left //// planes.setScreenCharAndAttr(lastPos, (char) left, colorAttr, false); //// //// if (gui) { //// planes.setUseGUI(lastPos,GUI_LEFT); //// } //// setDirty(lastPos); //// advancePos(); // // int w = width; // // fill it in // while (w-- >= 0) { //// screen[lastPos].setCharAndAttr(initChar, initAttr, true); // planes.setScreenCharAndAttr(lastPos,initChar, initAttr, true); //// screen[lastPos].setUseGUI(NO_GUI); // planes.setUseGUI(lastPos,NO_GUI); //// setDirty(lastPos); // lastPos++; // advancePos(); // } // //// // set right //// // screen[lastPos].setCharAndAttr((char) right, colorAttr, false); //// planes.setScreenCharAndAttr(lastPos,(char) right, colorAttr, false); //// if (gui) { //// // screen[lastPos].setUseGUI(RIGHT); //// planes.setUseGUI(lastPos,GUI_RIGHT); //// } //// //// setDirty(lastPos); //// advancePos(); //// //// // set ending attribute byte //// // screen[lastPos].setCharAndAttr(initChar, initAttr, true); //// planes.setScreenCharAndAttr(lastPos,initChar, initAttr, true); //// setDirty(lastPos); // // lastPos = startPos; // } // // } /* *** NEVER USED LOCALLY ************************************************** */ // private void setDirty(int pos) { // // screen52.setDirty(pos); // // } /* *** NEVER USED LOCALLY ************************************************** */ // private void advancePos() { // // screen52.advancePos(); // } private void defineSelectionField(int majLen) { // 0030: 20 00 2C 3E 00 00 00 69 12 A0 00 00 04 00 00 03 .,>...i........ // 0040: 04 40 04 11 00 28 01 07 00 00 00 19 00 00 04 11 .@...(.......... // 0050: 14 19 15 00 48 D9 50 00 60 00 11 01 84 84 00 00 ....H.P.`....... // 0060: 05 03 01 01 00 00 00 13 01 E0 00 21 00 21 00 3B ...........!.!.; // 0070: 22 20 20 20 20 3A 24 20 20 3A 0B 10 08 00 E0 00 " :$ :...... // 0080: D6 95 85 40 40 0B 10 08 00 E0 00 E3 A6 96 40 40 ...@@.........@@ // 0090: 0B 10 08 00 E0 00 E3 88 99 85 85 04 52 00 00 FF ............R... // 00A0: EF . try { int flag1 = segment[pos++]; // Flag byte 1 - byte 5 int flag2 = segment[pos++]; // Flag byte 2 - byte 6 int flag3 = segment[pos++]; // Flag byte 3 - byte 7 int typeSelection = segment[pos++]; // Type of selection Field - byte 8 // GUI Device Characteristics: // This byte is used if the target device is a GUI PWS or a GUI-like // NWS. If neigher of these WS are the targets, this byte is ignored int guiDevice = segment[pos++]; // byte 9 int withMnemonic = segment[pos++]; // byte 10 int noMnemonic = segment[pos++]; // byte 11 pos++; // Reserved - byte 12 pos++; // Reserved - byte 13 int cols = segment[pos++]; // Text Size - byte 14 int rows = segment[pos++]; // Rows - byte 15 int maxColChoice = segment[pos++]; // byte 16 num of column choices int padding = segment[pos++]; // byte 17 int numSepChar = segment[pos++]; // byte 18 int ctySepChar = segment[pos++]; // byte 19 int cancelAID = segment[pos++]; // byte 20 int cnt = 0; int minLen = 0; majLen -= 21; log.debug(" row: " + screen52.getCurrentRow() + " col: " + screen52.getCurrentCol() + " type " + typeSelection + " gui " + guiDevice + " withMnemonic " + Integer.toHexString(withMnemonic & 0xf0) + " noMnemonic " + Integer.toHexString(noMnemonic & 0xf0) + " noMnemonic " + Integer.toBinaryString(noMnemonic) + " noMnemonicType " + Integer.toBinaryString((noMnemonic & 0xf0)) + " noMnemonicSel " + Integer.toBinaryString((noMnemonic & 0x0f)) + " maxcols " + maxColChoice + " cols " + cols + " rows " + rows); int rowCtr = 0; int colCtr = 0; int chcRowStart = screen52.getCurrentRow(); int chcColStart = screen52.getCurrentCol(); int chcRow = chcRowStart; int chcCol = chcColStart; int chcPos = screen52.getPos(chcRow-1,chcCol); // client access //0000 00 04 ac 9e b9 35 00 01 02 32 bb 4e 08 00 45 00 .....5...2.N..E. //0010 00 3c 4f 8e 40 00 80 06 00 00 c1 a8 33 58 c1 a8 .<O.@.......3X.. //0020 33 01 09 e4 00 17 5b bf b7 a4 c3 41 43 d1 50 18 3.....[....AC.P. //0030 fc de e9 d8 00 00 00 12 12 a0 00 00 04 00 80 03 ................ //0040 16 18 f1 11 14 1a 00 22 ff ef .......".. int colAvail = 0x20; int colSelAvail = 0x20; int fld = 0; do { minLen = segment[pos++]; // Minor Length byte 21 int minType = segment[pos++]; // Minor Type switch (minType) { case 0x01: // Choice Presentation Display // flag int flagCP1 = segment[pos++]; pos++; // mon select cursor avail emphasis - byte4 colSelAvail = segment[pos++]; // -byte 5 pos++; // mon select cursor - byte 6 int colSelCur = segment[pos++]; // -byte 7 pos++; // mon select cursor not avail emphasis - byte 8 int colSelNotAvail = segment[pos++]; // -byte 9 pos++; // mon avail emphasis - byte 10 colAvail = segment[pos++]; // -byte 11 pos++; // mon select emphasis - byte 12 int colSel = segment[pos++]; // -byte 13 pos++; // mon not avail emphasis - byte 14 int colNotAvail = segment[pos++]; // -byte 15 pos++; // mon indicator emphasis - byte 16 int colInd = segment[pos++]; // -byte 17 pos++; // mon indicator not avail emphasis - byte 18 int colNotAvailInd = segment[pos++]; // -byte 19 break; case 0x10: // Choice Text minor structure cnt = 5; int flagCT1 = segment[pos++]; int flagCT2 = segment[pos++]; int flagCT3 = segment[pos++]; int mnemOffset = 0; boolean aid = false; boolean selected = false; // is in selected state if ((flagCT1 & 0x40) == 0x40) { log.debug(" selected "); selected = true; } //System.out.println(Integer.toBinaryString((flagCT1 & 0xf0))); // is mnemonic offset specified if ((flagCT1 & 0x08) == 8) { log.debug(" mnemOffset " + mnemOffset); mnemOffset = segment[pos++]; cnt++; } // is aid key specified if ((flagCT1 & 0x04) == 4) { aid = true; log.debug(" aidKey " + aid); // cnt++; } // is single digit number specified if ((flagCT1 & 0x01) == 0x01) { log.debug(" single digit " ); pos++; cnt++; } // is double digint number specified if ((flagCT1 & 0x02) == 0x02) { log.debug(" double digit " ); pos++; cnt++; } String s = ""; byte byte0 = 0; fld++; screen52.setCursor(chcRowStart,chcColStart); // we do not add a selection if it is marked as unavailable if ((flagCT1 & 0x80) != 0x80) { screen52.addField(0x26,1,0,0,0,0); screen52.getScreenFields().getCurrentField().setFieldChar('.'); screen52.getScreenFields().getCurrentField().setSelectionFieldInfo(17, fld, chcPos); screen52.setCursor(chcRowStart,chcColStart + 3); for (;cnt < minLen; cnt++) { byte0 = segment[pos++]; s += vt.codePage.ebcdic2uni(byte0); screen52.setChar(vt.codePage.ebcdic2uni(byte0)); } addChoiceField(chcRowStart,chcColStart,chcRow,chcCol,s); } // screen52.getScreenFields().getCurrentField().setMDT(); log.debug(s + " selected " + selected); // chcRowStart; //maxColChoice colCtr++; // rowCtr++; if (colCtr >= maxColChoice) { rowCtr++; colCtr=0; chcColStart = chcCol; chcRowStart = chcRow + rowCtr; if (rowCtr > rows) { chcRowStart = chcRow; rowCtr = 0; chcColStart = chcColStart + 3 + cols + padding; } } else { chcColStart = chcColStart + padding + cols + 3; // } break; default: for (cnt = 2;cnt < minLen; cnt++) { pos++; } } majLen -= minLen; } while (majLen > 0); } catch (Exception exc) { log.warn(" defineSelectionField :", exc); exc.printStackTrace(); } } // negotiating commands // private static final byte IAC = (byte)-1; // 255 FF // private static final byte DONT = (byte)-2; //254 FE // private static final byte DO = (byte)-3; //253 FD // private static final byte WONT = (byte)-4; //252 FC // private static final byte WILL = (byte)-5; //251 FB // private static final byte SB = (byte)-6; //250 Sub Begin FA // private static final byte SE = (byte)-16; //240 Sub End F0 // private static final byte EOR = (byte)-17; //239 End of Record EF // private static final byte TERMINAL_TYPE = (byte)24; // 18 // private static final byte OPT_END_OF_RECORD = (byte)25; // 19 // private static final byte TRANSMIT_BINARY = (byte)0; // 0 // private static final byte QUAL_IS = (byte)0; // 0 // private static final byte TIMING_MARK = (byte)6; // 6 // private static final byte NEW_ENVIRONMENT = (byte)39; // 27 // private static final byte IS = (byte)0; // 0 // private static final byte SEND = (byte)1; // 1 // private static final byte INFO = (byte)2; // 2 // private static final byte VAR = (byte)0; // 0 // private static final byte VALUE = (byte)1; // 1 // private static final byte NEGOTIATE_ESC = (byte)2; // 2 // private static final byte USERVAR = (byte)3; // 3 // miscellaneous // private static final byte ESC = 0x04; // 04 // private static final char char0 = 0; // private static final byte CMD_READ_IMMEDIATE_ALT = (byte)0x83; // 131 }