Revision 36624 trunk/extensions/extSymbology/src/org/gvsig/symbology/fmap/rendering/filter/parser/SimpleCharStream.java
SimpleCharStream.java | ||
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/* Generated By:JavaCC: Do not edit this line. SimpleCharStream.java Version 4.0 */
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/* Generated By:JavaCC: Do not edit this line. SimpleCharStream.java Version 4.0 */ |
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/* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana |
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* |
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana. |
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* |
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* +34 963163400 |
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* dac@iver.es |
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*/ |
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package org.gvsig.symbology.fmap.rendering.filter.parser; |
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/** |
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* An implementation of interface CharStream, where the stream is assumed to |
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* contain only ASCII characters (without unicode processing). |
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*/ |
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public class SimpleCharStream |
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{ |
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public static final boolean staticFlag = false; |
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int bufsize; |
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int available; |
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int tokenBegin; |
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public int bufpos = -1; |
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protected int bufline[]; |
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protected int bufcolumn[]; |
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protected int column = 0; |
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protected int line = 1; |
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protected boolean prevCharIsCR = false; |
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protected boolean prevCharIsLF = false; |
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protected java.io.Reader inputStream; |
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protected char[] buffer; |
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protected int maxNextCharInd = 0; |
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protected int inBuf = 0; |
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protected int tabSize = 8; |
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protected void setTabSize(int i) { tabSize = i; } |
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protected int getTabSize(int i) { return tabSize; } |
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protected void ExpandBuff(boolean wrapAround) |
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{ |
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char[] newbuffer = new char[bufsize + 2048]; |
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int newbufline[] = new int[bufsize + 2048]; |
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int newbufcolumn[] = new int[bufsize + 2048]; |
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try |
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{ |
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if (wrapAround) |
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{ |
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System.arraycopy(buffer, tokenBegin, newbuffer, 0, bufsize - tokenBegin); |
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System.arraycopy(buffer, 0, newbuffer, |
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bufsize - tokenBegin, bufpos); |
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buffer = newbuffer; |
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System.arraycopy(bufline, tokenBegin, newbufline, 0, bufsize - tokenBegin); |
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System.arraycopy(bufline, 0, newbufline, bufsize - tokenBegin, bufpos); |
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bufline = newbufline; |
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System.arraycopy(bufcolumn, tokenBegin, newbufcolumn, 0, bufsize - tokenBegin); |
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System.arraycopy(bufcolumn, 0, newbufcolumn, bufsize - tokenBegin, bufpos); |
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bufcolumn = newbufcolumn; |
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maxNextCharInd = (bufpos += (bufsize - tokenBegin)); |
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} |
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else |
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{ |
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System.arraycopy(buffer, tokenBegin, newbuffer, 0, bufsize - tokenBegin); |
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buffer = newbuffer; |
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System.arraycopy(bufline, tokenBegin, newbufline, 0, bufsize - tokenBegin); |
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bufline = newbufline; |
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System.arraycopy(bufcolumn, tokenBegin, newbufcolumn, 0, bufsize - tokenBegin); |
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bufcolumn = newbufcolumn; |
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maxNextCharInd = (bufpos -= tokenBegin); |
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} |
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} |
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catch (Throwable t) |
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{ |
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throw new Error(t.getMessage()); |
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} |
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bufsize += 2048; |
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available = bufsize; |
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tokenBegin = 0; |
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} |
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protected void FillBuff() throws java.io.IOException |
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{ |
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if (maxNextCharInd == available) |
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{ |
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if (available == bufsize) |
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{ |
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if (tokenBegin > 2048) |
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{ |
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bufpos = maxNextCharInd = 0; |
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available = tokenBegin; |
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} |
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else if (tokenBegin < 0) |
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bufpos = maxNextCharInd = 0; |
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else |
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ExpandBuff(false); |
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} |
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else if (available > tokenBegin) |
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available = bufsize; |
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else if ((tokenBegin - available) < 2048) |
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ExpandBuff(true); |
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else |
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available = tokenBegin; |
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} |
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int i; |
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try { |
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if ((i = inputStream.read(buffer, maxNextCharInd, |
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available - maxNextCharInd)) == -1) |
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{ |
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inputStream.close(); |
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throw new java.io.IOException(); |
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} |
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else |
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maxNextCharInd += i; |
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return; |
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} |
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catch(java.io.IOException e) { |
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--bufpos; |
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backup(0); |
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if (tokenBegin == -1) |
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tokenBegin = bufpos; |
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throw e; |
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} |
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} |
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public char BeginToken() throws java.io.IOException |
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{ |
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tokenBegin = -1; |
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char c = readChar(); |
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tokenBegin = bufpos; |
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return c; |
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} |
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protected void UpdateLineColumn(char c) |
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{ |
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column++; |
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if (prevCharIsLF) |
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{ |
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prevCharIsLF = false; |
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line += (column = 1); |
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} |
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else if (prevCharIsCR) |
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{ |
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prevCharIsCR = false; |
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if (c == '\n') |
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{ |
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prevCharIsLF = true; |
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} |
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else |
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line += (column = 1); |
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} |
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switch (c) |
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{ |
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case '\r' : |
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prevCharIsCR = true; |
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break; |
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case '\n' : |
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prevCharIsLF = true; |
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break; |
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case '\t' : |
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column--; |
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column += (tabSize - (column % tabSize)); |
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break; |
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default : |
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break; |
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} |
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bufline[bufpos] = line; |
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bufcolumn[bufpos] = column; |
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} |
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public char readChar() throws java.io.IOException |
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{ |
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if (inBuf > 0) |
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{ |
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--inBuf; |
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if (++bufpos == bufsize) |
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bufpos = 0; |
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return buffer[bufpos]; |
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} |
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if (++bufpos >= maxNextCharInd) |
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FillBuff(); |
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char c = buffer[bufpos]; |
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UpdateLineColumn(c); |
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return c; |
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} |
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/** |
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* @deprecated |
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* @see #getEndColumn |
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*/ |
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public int getColumn() { |
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return bufcolumn[bufpos]; |
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} |
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/** |
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* @deprecated |
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* @see #getEndLine |
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*/ |
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public int getLine() { |
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return bufline[bufpos]; |
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} |
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public int getEndColumn() { |
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return bufcolumn[bufpos]; |
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} |
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public int getEndLine() { |
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return bufline[bufpos]; |
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} |
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public int getBeginColumn() { |
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return bufcolumn[tokenBegin]; |
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} |
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public int getBeginLine() { |
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return bufline[tokenBegin]; |
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} |
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public void backup(int amount) { |
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inBuf += amount; |
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if ((bufpos -= amount) < 0) |
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bufpos += bufsize; |
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} |
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public SimpleCharStream(java.io.Reader dstream, int startline, |
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int startcolumn, int buffersize) |
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{ |
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inputStream = dstream; |
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line = startline; |
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column = startcolumn - 1; |
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available = bufsize = buffersize; |
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buffer = new char[buffersize]; |
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bufline = new int[buffersize]; |
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bufcolumn = new int[buffersize]; |
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} |
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public SimpleCharStream(java.io.Reader dstream, int startline, |
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int startcolumn) |
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{ |
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this(dstream, startline, startcolumn, 4096); |
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} |
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public SimpleCharStream(java.io.Reader dstream) |
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{ |
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this(dstream, 1, 1, 4096); |
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} |
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public void ReInit(java.io.Reader dstream, int startline, |
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int startcolumn, int buffersize) |
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{ |
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inputStream = dstream; |
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line = startline; |
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column = startcolumn - 1; |
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if (buffer == null || buffersize != buffer.length) |
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{ |
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available = bufsize = buffersize; |
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buffer = new char[buffersize]; |
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bufline = new int[buffersize]; |
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bufcolumn = new int[buffersize]; |
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} |
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prevCharIsLF = prevCharIsCR = false; |
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tokenBegin = inBuf = maxNextCharInd = 0; |
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bufpos = -1; |
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} |
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public void ReInit(java.io.Reader dstream, int startline, |
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int startcolumn) |
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{ |
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ReInit(dstream, startline, startcolumn, 4096); |
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} |
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public void ReInit(java.io.Reader dstream) |
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{ |
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ReInit(dstream, 1, 1, 4096); |
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} |
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public SimpleCharStream(java.io.InputStream dstream, String encoding, int startline, |
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int startcolumn, int buffersize) throws java.io.UnsupportedEncodingException |
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{ |
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this(encoding == null ? new java.io.InputStreamReader(dstream) : new java.io.InputStreamReader(dstream, encoding), startline, startcolumn, buffersize); |
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} |
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public SimpleCharStream(java.io.InputStream dstream, int startline, |
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int startcolumn, int buffersize) |
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{ |
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this(new java.io.InputStreamReader(dstream), startline, startcolumn, buffersize); |
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} |
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public SimpleCharStream(java.io.InputStream dstream, String encoding, int startline, |
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int startcolumn) throws java.io.UnsupportedEncodingException |
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{ |
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this(dstream, encoding, startline, startcolumn, 4096); |
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} |
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public SimpleCharStream(java.io.InputStream dstream, int startline, |
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int startcolumn) |
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{ |
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this(dstream, startline, startcolumn, 4096); |
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} |
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public SimpleCharStream(java.io.InputStream dstream, String encoding) throws java.io.UnsupportedEncodingException |
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{ |
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this(dstream, encoding, 1, 1, 4096); |
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} |
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public SimpleCharStream(java.io.InputStream dstream) |
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{ |
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this(dstream, 1, 1, 4096); |
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} |
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public void ReInit(java.io.InputStream dstream, String encoding, int startline, |
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int startcolumn, int buffersize) throws java.io.UnsupportedEncodingException |
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{ |
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ReInit(encoding == null ? new java.io.InputStreamReader(dstream) : new java.io.InputStreamReader(dstream, encoding), startline, startcolumn, buffersize); |
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} |
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public void ReInit(java.io.InputStream dstream, int startline, |
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int startcolumn, int buffersize) |
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{ |
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ReInit(new java.io.InputStreamReader(dstream), startline, startcolumn, buffersize); |
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} |
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public void ReInit(java.io.InputStream dstream, String encoding) throws java.io.UnsupportedEncodingException |
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{ |
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ReInit(dstream, encoding, 1, 1, 4096); |
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} |
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public void ReInit(java.io.InputStream dstream) |
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{ |
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ReInit(dstream, 1, 1, 4096); |
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} |
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public void ReInit(java.io.InputStream dstream, String encoding, int startline, |
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int startcolumn) throws java.io.UnsupportedEncodingException |
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{ |
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ReInit(dstream, encoding, startline, startcolumn, 4096); |
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} |
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public void ReInit(java.io.InputStream dstream, int startline, |
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int startcolumn) |
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{ |
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ReInit(dstream, startline, startcolumn, 4096); |
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} |
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public String GetImage() |
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{ |
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if (bufpos >= tokenBegin) |
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return new String(buffer, tokenBegin, bufpos - tokenBegin + 1); |
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else |
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return new String(buffer, tokenBegin, bufsize - tokenBegin) + |
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new String(buffer, 0, bufpos + 1); |
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} |
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public char[] GetSuffix(int len) |
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{ |
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char[] ret = new char[len]; |
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if ((bufpos + 1) >= len) |
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System.arraycopy(buffer, bufpos - len + 1, ret, 0, len); |
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else |
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{ |
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System.arraycopy(buffer, bufsize - (len - bufpos - 1), ret, 0, |
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len - bufpos - 1); |
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System.arraycopy(buffer, 0, ret, len - bufpos - 1, bufpos + 1); |
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} |
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return ret; |
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} |
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public void Done() |
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{ |
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buffer = null; |
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bufline = null; |
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bufcolumn = null; |
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} |
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|
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/** |
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* Method to adjust line and column numbers for the start of a token. |
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*/ |
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public void adjustBeginLineColumn(int newLine, int newCol) |
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{ |
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int start = tokenBegin; |
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int len; |
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|
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if (bufpos >= tokenBegin) |
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{ |
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len = bufpos - tokenBegin + inBuf + 1; |
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} |
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else |
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{ |
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len = bufsize - tokenBegin + bufpos + 1 + inBuf; |
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} |
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int i = 0, j = 0, k = 0; |
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int nextColDiff = 0, columnDiff = 0; |
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while (i < len && |
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bufline[j = start % bufsize] == bufline[k = ++start % bufsize]) |
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{ |
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bufline[j] = newLine; |
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nextColDiff = columnDiff + bufcolumn[k] - bufcolumn[j]; |
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bufcolumn[j] = newCol + columnDiff; |
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columnDiff = nextColDiff; |
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i++; |
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} |
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|
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if (i < len) |
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{ |
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bufline[j] = newLine++; |
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bufcolumn[j] = newCol + columnDiff; |
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|
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while (i++ < len) |
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{ |
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if (bufline[j = start % bufsize] != bufline[++start % bufsize]) |
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bufline[j] = newLine++; |
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else |
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bufline[j] = newLine; |
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} |
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} |
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line = bufline[j]; |
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column = bufcolumn[j]; |
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} |
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} |
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*/ |
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package org.gvsig.symbology.fmap.rendering.filter.parser; |
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|
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/** |
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* An implementation of interface CharStream, where the stream is assumed to |
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* contain only ASCII characters (without unicode processing). |
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47 |
*/ |
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48 |
|
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49 |
public class SimpleCharStream |
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{ |
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public static final boolean staticFlag = false; |
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int bufsize; |
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int available; |
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int tokenBegin; |
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public int bufpos = -1; |
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protected int bufline[]; |
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protected int bufcolumn[]; |
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|
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protected int column = 0; |
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protected int line = 1; |
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|
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protected boolean prevCharIsCR = false; |
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protected boolean prevCharIsLF = false; |
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|
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protected java.io.Reader inputStream; |
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|
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protected char[] buffer; |
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protected int maxNextCharInd = 0; |
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protected int inBuf = 0; |
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protected int tabSize = 8; |
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|
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protected void setTabSize(int i) { tabSize = i; } |
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protected int getTabSize(int i) { return tabSize; } |
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74 |
|
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|
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protected void ExpandBuff(boolean wrapAround) |
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{ |
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char[] newbuffer = new char[bufsize + 2048]; |
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int newbufline[] = new int[bufsize + 2048]; |
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int newbufcolumn[] = new int[bufsize + 2048]; |
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|
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try |
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{ |
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84 |
if (wrapAround) |
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{ |
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System.arraycopy(buffer, tokenBegin, newbuffer, 0, bufsize - tokenBegin); |
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System.arraycopy(buffer, 0, newbuffer, |
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bufsize - tokenBegin, bufpos); |
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buffer = newbuffer; |
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|
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System.arraycopy(bufline, tokenBegin, newbufline, 0, bufsize - tokenBegin); |
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System.arraycopy(bufline, 0, newbufline, bufsize - tokenBegin, bufpos); |
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bufline = newbufline; |
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|
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System.arraycopy(bufcolumn, tokenBegin, newbufcolumn, 0, bufsize - tokenBegin); |
|
96 |
System.arraycopy(bufcolumn, 0, newbufcolumn, bufsize - tokenBegin, bufpos); |
|
97 |
bufcolumn = newbufcolumn; |
|
98 |
|
|
99 |
maxNextCharInd = (bufpos += (bufsize - tokenBegin)); |
|
100 |
} |
|
101 |
else |
|
102 |
{ |
|
103 |
System.arraycopy(buffer, tokenBegin, newbuffer, 0, bufsize - tokenBegin); |
|
104 |
buffer = newbuffer; |
|
105 |
|
|
106 |
System.arraycopy(bufline, tokenBegin, newbufline, 0, bufsize - tokenBegin); |
|
107 |
bufline = newbufline; |
|
108 |
|
|
109 |
System.arraycopy(bufcolumn, tokenBegin, newbufcolumn, 0, bufsize - tokenBegin); |
|
110 |
bufcolumn = newbufcolumn; |
|
111 |
|
|
112 |
maxNextCharInd = (bufpos -= tokenBegin); |
|
113 |
} |
|
114 |
} |
|
115 |
catch (Throwable t) |
|
116 |
{ |
|
117 |
throw new Error(t.getMessage()); |
|
118 |
} |
|
119 |
|
|
120 |
|
|
121 |
bufsize += 2048; |
|
122 |
available = bufsize; |
|
123 |
tokenBegin = 0; |
|
124 |
} |
|
125 |
|
|
126 |
protected void FillBuff() throws java.io.IOException |
|
127 |
{ |
|
128 |
if (maxNextCharInd == available) |
|
129 |
{ |
|
130 |
if (available == bufsize) |
|
131 |
{ |
|
132 |
if (tokenBegin > 2048) |
|
133 |
{ |
|
134 |
bufpos = maxNextCharInd = 0; |
|
135 |
available = tokenBegin; |
|
136 |
} |
|
137 |
else if (tokenBegin < 0) |
|
138 |
bufpos = maxNextCharInd = 0; |
|
139 |
else |
|
140 |
ExpandBuff(false); |
|
141 |
} |
|
142 |
else if (available > tokenBegin) |
|
143 |
available = bufsize; |
|
144 |
else if ((tokenBegin - available) < 2048) |
|
145 |
ExpandBuff(true); |
|
146 |
else |
|
147 |
available = tokenBegin; |
|
148 |
} |
|
149 |
|
|
150 |
int i; |
|
151 |
try { |
|
152 |
if ((i = inputStream.read(buffer, maxNextCharInd, |
|
153 |
available - maxNextCharInd)) == -1) |
|
154 |
{ |
|
155 |
inputStream.close(); |
|
156 |
throw new java.io.IOException(); |
|
157 |
} |
|
158 |
else |
|
159 |
maxNextCharInd += i; |
|
160 |
return; |
|
161 |
} |
|
162 |
catch(java.io.IOException e) { |
|
163 |
--bufpos; |
|
164 |
backup(0); |
|
165 |
if (tokenBegin == -1) |
|
166 |
tokenBegin = bufpos; |
|
167 |
throw e; |
|
168 |
} |
|
169 |
} |
|
170 |
|
|
171 |
public char BeginToken() throws java.io.IOException |
|
172 |
{ |
|
173 |
tokenBegin = -1; |
|
174 |
char c = readChar(); |
|
175 |
tokenBegin = bufpos; |
|
176 |
|
|
177 |
return c; |
|
178 |
} |
|
179 |
|
|
180 |
protected void UpdateLineColumn(char c) |
|
181 |
{ |
|
182 |
column++; |
|
183 |
|
|
184 |
if (prevCharIsLF) |
|
185 |
{ |
|
186 |
prevCharIsLF = false; |
|
187 |
line += (column = 1); |
|
188 |
} |
|
189 |
else if (prevCharIsCR) |
|
190 |
{ |
|
191 |
prevCharIsCR = false; |
|
192 |
if (c == '\n') |
|
193 |
{ |
|
194 |
prevCharIsLF = true; |
|
195 |
} |
|
196 |
else |
|
197 |
line += (column = 1); |
|
198 |
} |
|
199 |
|
|
200 |
switch (c) |
|
201 |
{ |
|
202 |
case '\r' : |
|
203 |
prevCharIsCR = true; |
|
204 |
break; |
|
205 |
case '\n' : |
|
206 |
prevCharIsLF = true; |
|
207 |
break; |
|
208 |
case '\t' : |
|
209 |
column--; |
|
210 |
column += (tabSize - (column % tabSize)); |
|
211 |
break; |
|
212 |
default : |
|
213 |
break; |
|
214 |
} |
|
215 |
|
|
216 |
bufline[bufpos] = line; |
|
217 |
bufcolumn[bufpos] = column; |
|
218 |
} |
|
219 |
|
|
220 |
public char readChar() throws java.io.IOException |
|
221 |
{ |
|
222 |
if (inBuf > 0) |
|
223 |
{ |
|
224 |
--inBuf; |
|
225 |
|
|
226 |
if (++bufpos == bufsize) |
|
227 |
bufpos = 0; |
|
228 |
|
|
229 |
return buffer[bufpos]; |
|
230 |
} |
|
231 |
|
|
232 |
if (++bufpos >= maxNextCharInd) |
|
233 |
FillBuff(); |
|
234 |
|
|
235 |
char c = buffer[bufpos]; |
|
236 |
|
|
237 |
UpdateLineColumn(c); |
|
238 |
return c; |
|
239 |
} |
|
240 |
|
|
241 |
/** |
|
242 |
* @deprecated |
|
243 |
* @see #getEndColumn |
|
244 |
*/ |
|
245 |
|
|
246 |
public int getColumn() { |
|
247 |
return bufcolumn[bufpos]; |
|
248 |
} |
|
249 |
|
|
250 |
/** |
|
251 |
* @deprecated |
|
252 |
* @see #getEndLine |
|
253 |
*/ |
|
254 |
|
|
255 |
public int getLine() { |
|
256 |
return bufline[bufpos]; |
|
257 |
} |
|
258 |
|
|
259 |
public int getEndColumn() { |
|
260 |
return bufcolumn[bufpos]; |
|
261 |
} |
|
262 |
|
|
263 |
public int getEndLine() { |
|
264 |
return bufline[bufpos]; |
|
265 |
} |
|
266 |
|
|
267 |
public int getBeginColumn() { |
|
268 |
return bufcolumn[tokenBegin]; |
|
269 |
} |
|
270 |
|
|
271 |
public int getBeginLine() { |
|
272 |
return bufline[tokenBegin]; |
|
273 |
} |
|
274 |
|
|
275 |
public void backup(int amount) { |
|
276 |
|
|
277 |
inBuf += amount; |
|
278 |
if ((bufpos -= amount) < 0) |
|
279 |
bufpos += bufsize; |
|
280 |
} |
|
281 |
|
|
282 |
public SimpleCharStream(java.io.Reader dstream, int startline, |
|
283 |
int startcolumn, int buffersize) |
|
284 |
{ |
|
285 |
inputStream = dstream; |
|
286 |
line = startline; |
|
287 |
column = startcolumn - 1; |
|
288 |
|
|
289 |
available = bufsize = buffersize; |
|
290 |
buffer = new char[buffersize]; |
|
291 |
bufline = new int[buffersize]; |
|
292 |
bufcolumn = new int[buffersize]; |
|
293 |
} |
|
294 |
|
|
295 |
public SimpleCharStream(java.io.Reader dstream, int startline, |
|
296 |
int startcolumn) |
|
297 |
{ |
|
298 |
this(dstream, startline, startcolumn, 4096); |
|
299 |
} |
|
300 |
|
|
301 |
public SimpleCharStream(java.io.Reader dstream) |
|
302 |
{ |
|
303 |
this(dstream, 1, 1, 4096); |
|
304 |
} |
|
305 |
public void ReInit(java.io.Reader dstream, int startline, |
|
306 |
int startcolumn, int buffersize) |
|
307 |
{ |
|
308 |
inputStream = dstream; |
|
309 |
line = startline; |
|
310 |
column = startcolumn - 1; |
|
311 |
|
|
312 |
if (buffer == null || buffersize != buffer.length) |
|
313 |
{ |
|
314 |
available = bufsize = buffersize; |
|
315 |
buffer = new char[buffersize]; |
|
316 |
bufline = new int[buffersize]; |
|
317 |
bufcolumn = new int[buffersize]; |
|
318 |
} |
|
319 |
prevCharIsLF = prevCharIsCR = false; |
|
320 |
tokenBegin = inBuf = maxNextCharInd = 0; |
|
321 |
bufpos = -1; |
|
322 |
} |
|
323 |
|
|
324 |
public void ReInit(java.io.Reader dstream, int startline, |
|
325 |
int startcolumn) |
|
326 |
{ |
|
327 |
ReInit(dstream, startline, startcolumn, 4096); |
|
328 |
} |
|
329 |
|
|
330 |
public void ReInit(java.io.Reader dstream) |
|
331 |
{ |
|
332 |
ReInit(dstream, 1, 1, 4096); |
|
333 |
} |
|
334 |
public SimpleCharStream(java.io.InputStream dstream, String encoding, int startline, |
|
335 |
int startcolumn, int buffersize) throws java.io.UnsupportedEncodingException |
|
336 |
{ |
|
337 |
this(encoding == null ? new java.io.InputStreamReader(dstream) : new java.io.InputStreamReader(dstream, encoding), startline, startcolumn, buffersize); |
|
338 |
} |
|
339 |
|
|
340 |
public SimpleCharStream(java.io.InputStream dstream, int startline, |
|
341 |
int startcolumn, int buffersize) |
|
342 |
{ |
|
343 |
this(new java.io.InputStreamReader(dstream), startline, startcolumn, buffersize); |
|
344 |
} |
|
345 |
|
|
346 |
public SimpleCharStream(java.io.InputStream dstream, String encoding, int startline, |
|
347 |
int startcolumn) throws java.io.UnsupportedEncodingException |
|
348 |
{ |
|
349 |
this(dstream, encoding, startline, startcolumn, 4096); |
|
350 |
} |
|
351 |
|
|
352 |
public SimpleCharStream(java.io.InputStream dstream, int startline, |
|
353 |
int startcolumn) |
|
354 |
{ |
|
355 |
this(dstream, startline, startcolumn, 4096); |
|
356 |
} |
|
357 |
|
|
358 |
public SimpleCharStream(java.io.InputStream dstream, String encoding) throws java.io.UnsupportedEncodingException |
|
359 |
{ |
|
360 |
this(dstream, encoding, 1, 1, 4096); |
|
361 |
} |
|
362 |
|
|
363 |
public SimpleCharStream(java.io.InputStream dstream) |
|
364 |
{ |
|
365 |
this(dstream, 1, 1, 4096); |
|
366 |
} |
|
367 |
|
|
368 |
public void ReInit(java.io.InputStream dstream, String encoding, int startline, |
|
369 |
int startcolumn, int buffersize) throws java.io.UnsupportedEncodingException |
|
370 |
{ |
|
371 |
ReInit(encoding == null ? new java.io.InputStreamReader(dstream) : new java.io.InputStreamReader(dstream, encoding), startline, startcolumn, buffersize); |
|
372 |
} |
|
373 |
|
|
374 |
public void ReInit(java.io.InputStream dstream, int startline, |
|
375 |
int startcolumn, int buffersize) |
|
376 |
{ |
|
377 |
ReInit(new java.io.InputStreamReader(dstream), startline, startcolumn, buffersize); |
|
378 |
} |
|
379 |
|
|
380 |
public void ReInit(java.io.InputStream dstream, String encoding) throws java.io.UnsupportedEncodingException |
|
381 |
{ |
|
382 |
ReInit(dstream, encoding, 1, 1, 4096); |
|
383 |
} |
|
384 |
|
|
385 |
public void ReInit(java.io.InputStream dstream) |
|
386 |
{ |
|
387 |
ReInit(dstream, 1, 1, 4096); |
|
388 |
} |
|
389 |
public void ReInit(java.io.InputStream dstream, String encoding, int startline, |
|
390 |
int startcolumn) throws java.io.UnsupportedEncodingException |
|
391 |
{ |
|
392 |
ReInit(dstream, encoding, startline, startcolumn, 4096); |
|
393 |
} |
|
394 |
public void ReInit(java.io.InputStream dstream, int startline, |
|
395 |
int startcolumn) |
|
396 |
{ |
|
397 |
ReInit(dstream, startline, startcolumn, 4096); |
|
398 |
} |
|
399 |
public String GetImage() |
|
400 |
{ |
|
401 |
if (bufpos >= tokenBegin) |
|
402 |
return new String(buffer, tokenBegin, bufpos - tokenBegin + 1); |
|
403 |
else |
|
404 |
return new String(buffer, tokenBegin, bufsize - tokenBegin) + |
|
405 |
new String(buffer, 0, bufpos + 1); |
|
406 |
} |
|
407 |
|
|
408 |
public char[] GetSuffix(int len) |
|
409 |
{ |
|
410 |
char[] ret = new char[len]; |
|
411 |
|
|
412 |
if ((bufpos + 1) >= len) |
|
413 |
System.arraycopy(buffer, bufpos - len + 1, ret, 0, len); |
|
414 |
else |
|
415 |
{ |
|
416 |
System.arraycopy(buffer, bufsize - (len - bufpos - 1), ret, 0, |
|
417 |
len - bufpos - 1); |
|
418 |
System.arraycopy(buffer, 0, ret, len - bufpos - 1, bufpos + 1); |
|
419 |
} |
|
420 |
|
|
421 |
return ret; |
|
422 |
} |
|
423 |
|
|
424 |
public void Done() |
|
425 |
{ |
|
426 |
buffer = null; |
|
427 |
bufline = null; |
|
428 |
bufcolumn = null; |
|
429 |
} |
|
430 |
|
|
431 |
/** |
|
432 |
* Method to adjust line and column numbers for the start of a token. |
|
433 |
*/ |
|
434 |
public void adjustBeginLineColumn(int newLine, int newCol) |
|
435 |
{ |
|
436 |
int start = tokenBegin; |
|
437 |
int len; |
|
438 |
|
|
439 |
if (bufpos >= tokenBegin) |
|
440 |
{ |
|
441 |
len = bufpos - tokenBegin + inBuf + 1; |
|
442 |
} |
|
443 |
else |
|
444 |
{ |
|
445 |
len = bufsize - tokenBegin + bufpos + 1 + inBuf; |
|
446 |
} |
|
447 |
|
|
448 |
int i = 0, j = 0, k = 0; |
|
449 |
int nextColDiff = 0, columnDiff = 0; |
|
450 |
|
|
451 |
while (i < len && |
|
452 |
bufline[j = start % bufsize] == bufline[k = ++start % bufsize]) |
|
453 |
{ |
|
454 |
bufline[j] = newLine; |
|
455 |
nextColDiff = columnDiff + bufcolumn[k] - bufcolumn[j]; |
|
456 |
bufcolumn[j] = newCol + columnDiff; |
|
457 |
columnDiff = nextColDiff; |
|
458 |
i++; |
|
459 |
} |
|
460 |
|
|
461 |
if (i < len) |
|
462 |
{ |
|
463 |
bufline[j] = newLine++; |
|
464 |
bufcolumn[j] = newCol + columnDiff; |
|
465 |
|
|
466 |
while (i++ < len) |
|
467 |
{ |
|
468 |
if (bufline[j = start % bufsize] != bufline[++start % bufsize]) |
|
469 |
bufline[j] = newLine++; |
|
470 |
else |
|
471 |
bufline[j] = newLine; |
|
472 |
} |
|
473 |
} |
|
474 |
|
|
475 |
line = bufline[j]; |
|
476 |
column = bufcolumn[j]; |
|
477 |
} |
|
478 |
|
|
479 |
} |
Also available in: Unified diff