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/*
*
* This file is part of the iText (R) project.
Copyright (c) 1998-2017 iText Group NV
* Authors: Bruno Lowagie, Paulo Soares, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS
*
* 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 Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: [email protected]
*/
package com.itextpdf.text.pdf;
import com.itextpdf.text.Chunk;
import com.itextpdf.text.Image;
import com.itextpdf.text.TabStop;
import com.itextpdf.text.Utilities;
import com.itextpdf.text.pdf.draw.DrawInterface;
import com.itextpdf.text.pdf.draw.LineSeparator;
import com.itextpdf.text.pdf.languages.ArabicLigaturizer;
import java.util.ArrayList;
import java.util.List;
/** Does all the line bidirectional processing with PdfChunk assembly.
*
* @author Paulo Soares
*/
public class BidiLine {
protected int runDirection;
protected int pieceSize = 256;
protected char text[] = new char[pieceSize];
protected PdfChunk detailChunks[] = new PdfChunk[pieceSize];
protected int totalTextLength = 0;
protected byte orderLevels[] = new byte[pieceSize];
protected int indexChars[] = new int[pieceSize];
protected ArrayList chunks = new ArrayList();
protected int indexChunk = 0;
protected int indexChunkChar = 0;
protected int currentChar = 0;
protected int storedRunDirection;
protected char storedText[] = new char[0];
protected PdfChunk storedDetailChunks[] = new PdfChunk[0];
protected int storedTotalTextLength = 0;
protected byte storedOrderLevels[] = new byte[0];
protected int storedIndexChars[] = new int[0];
protected int storedIndexChunk = 0;
protected int storedIndexChunkChar = 0;
protected int storedCurrentChar = 0;
protected boolean isWordSplit = false;
protected boolean shortStore;
// protected ArabicShaping arabic = new ArabicShaping(ArabicShaping.LETTERS_SHAPE | ArabicShaping.LENGTH_GROW_SHRINK | ArabicShaping.TEXT_DIRECTION_LOGICAL);
protected static final IntHashtable mirrorChars = new IntHashtable();
protected int arabicOptions;
/** Creates new BidiLine */
public BidiLine() {
}
public BidiLine(BidiLine org) {
runDirection = org.runDirection;
pieceSize = org.pieceSize;
text = org.text.clone();
detailChunks = org.detailChunks.clone();
totalTextLength = org.totalTextLength;
orderLevels = org.orderLevels.clone();
indexChars = org.indexChars.clone();
chunks = new ArrayList(org.chunks);
indexChunk = org.indexChunk;
indexChunkChar = org.indexChunkChar;
currentChar = org.currentChar;
storedRunDirection = org.storedRunDirection;
storedText = org.storedText.clone();
storedDetailChunks = org.storedDetailChunks.clone();
storedTotalTextLength = org.storedTotalTextLength;
storedOrderLevels = org.storedOrderLevels.clone();
storedIndexChars = org.storedIndexChars.clone();
storedIndexChunk = org.storedIndexChunk;
storedIndexChunkChar = org.storedIndexChunkChar;
storedCurrentChar = org.storedCurrentChar;
shortStore = org.shortStore;
arabicOptions = org.arabicOptions;
}
public boolean isEmpty() {
return currentChar >= totalTextLength && indexChunk >= chunks.size();
}
public void clearChunks() {
chunks.clear();
totalTextLength = 0;
currentChar = 0;
}
public boolean getParagraph(int runDirection) {
this.runDirection = runDirection;
currentChar = 0;
totalTextLength = 0;
boolean hasText = false;
char c;
char uniC;
BaseFont bf;
for (; indexChunk < chunks.size(); ++indexChunk) {
PdfChunk ck = chunks.get(indexChunk);
bf = ck.font().getFont();
String s = ck.toString();
int len = s.length();
for (; indexChunkChar < len; ++indexChunkChar) {
c = s.charAt(indexChunkChar);
uniC = (char)bf.getUnicodeEquivalent(c);
if (uniC == '\r' || uniC == '\n') {
// next condition is never true for CID
if (uniC == '\r' && indexChunkChar + 1 < len && s.charAt(indexChunkChar + 1) == '\n')
++indexChunkChar;
++indexChunkChar;
if (indexChunkChar >= len) {
indexChunkChar = 0;
++indexChunk;
}
hasText = true;
if (totalTextLength == 0)
detailChunks[0] = ck;
break;
}
addPiece(c, ck);
}
if (hasText)
break;
indexChunkChar = 0;
}
if (totalTextLength == 0)
return hasText;
// remove trailing WS
totalTextLength = trimRight(0, totalTextLength - 1) + 1;
if (totalTextLength == 0) {
return true;
}
if (runDirection != PdfWriter.RUN_DIRECTION_NO_BIDI) {
if (orderLevels.length < totalTextLength) {
orderLevels = new byte[pieceSize];
indexChars = new int[pieceSize];
}
ArabicLigaturizer.processNumbers(text, 0, totalTextLength, arabicOptions);
byte paragraphEmbeddingLevel;
switch (runDirection) {
case PdfWriter.RUN_DIRECTION_LTR:
paragraphEmbeddingLevel = 0;
break;
case PdfWriter.RUN_DIRECTION_RTL:
paragraphEmbeddingLevel = 1;
break;
case PdfWriter.RUN_DIRECTION_DEFAULT:
default:
paragraphEmbeddingLevel = -1;
break;
}
BidiOrder order = new BidiOrder(text, 0, totalTextLength, paragraphEmbeddingLevel);
byte od[] = order.getLevels();
for (int k = 0; k < totalTextLength; ++k) {
orderLevels[k] = od[k];
indexChars[k] = k;
}
doArabicShapping();
mirrorGlyphs();
}
totalTextLength = trimRightEx(0, totalTextLength - 1) + 1;
return true;
}
public void addChunk(PdfChunk chunk) {
chunks.add(chunk);
}
public void addChunks(ArrayList chunks) {
this.chunks.addAll(chunks);
}
public void addPiece(char c, PdfChunk chunk) {
if (totalTextLength >= pieceSize) {
char tempText[] = text;
PdfChunk tempDetailChunks[] = detailChunks;
pieceSize *= 2;
text = new char[pieceSize];
detailChunks = new PdfChunk[pieceSize];
System.arraycopy(tempText, 0, text, 0, totalTextLength);
System.arraycopy(tempDetailChunks, 0, detailChunks, 0, totalTextLength);
}
text[totalTextLength] = c;
detailChunks[totalTextLength++] = chunk;
}
public void save() {
if (indexChunk > 0) {
if (indexChunk >= chunks.size())
chunks.clear();
else {
for (--indexChunk; indexChunk >= 0; --indexChunk)
chunks.remove(indexChunk);
}
indexChunk = 0;
}
storedRunDirection = runDirection;
storedTotalTextLength = totalTextLength;
storedIndexChunk = indexChunk;
storedIndexChunkChar = indexChunkChar;
storedCurrentChar = currentChar;
shortStore = currentChar < totalTextLength;
if (!shortStore) {
// long save
if (storedText.length < totalTextLength) {
storedText = new char[totalTextLength];
storedDetailChunks = new PdfChunk[totalTextLength];
}
System.arraycopy(text, 0, storedText, 0, totalTextLength);
System.arraycopy(detailChunks, 0, storedDetailChunks, 0, totalTextLength);
}
if (runDirection != PdfWriter.RUN_DIRECTION_NO_BIDI) {
if (storedOrderLevels.length < totalTextLength) {
storedOrderLevels = new byte[totalTextLength];
storedIndexChars = new int[totalTextLength];
}
System.arraycopy(orderLevels, currentChar, storedOrderLevels, currentChar, totalTextLength - currentChar);
System.arraycopy(indexChars, currentChar, storedIndexChars, currentChar, totalTextLength - currentChar);
}
}
public void restore() {
runDirection = storedRunDirection;
totalTextLength = storedTotalTextLength;
indexChunk = storedIndexChunk;
indexChunkChar = storedIndexChunkChar;
currentChar = storedCurrentChar;
if (!shortStore) {
// long restore
System.arraycopy(storedText, 0, text, 0, totalTextLength);
System.arraycopy(storedDetailChunks, 0, detailChunks, 0, totalTextLength);
}
if (runDirection != PdfWriter.RUN_DIRECTION_NO_BIDI) {
System.arraycopy(storedOrderLevels, currentChar, orderLevels, currentChar, totalTextLength - currentChar);
System.arraycopy(storedIndexChars, currentChar, indexChars, currentChar, totalTextLength - currentChar);
}
}
public void mirrorGlyphs() {
for (int k = 0; k < totalTextLength; ++k) {
if ((orderLevels[k] & 1) == 1) {
int mirror = mirrorChars.get(text[k]);
if (mirror != 0)
text[k] = (char)mirror;
}
}
}
public void doArabicShapping() {
int src = 0;
int dest = 0;
for (;;) {
while (src < totalTextLength) {
char c = text[src];
if (c >= 0x0600 && c <= 0x06ff)
break;
if (src != dest) {
text[dest] = text[src];
detailChunks[dest] = detailChunks[src];
orderLevels[dest] = orderLevels[src];
}
++src;
++dest;
}
if (src >= totalTextLength) {
totalTextLength = dest;
return;
}
int startArabicIdx = src;
++src;
while (src < totalTextLength) {
char c = text[src];
if (c < 0x0600 || c > 0x06ff)
break;
++src;
}
int arabicWordSize = src - startArabicIdx;
int size = ArabicLigaturizer.arabic_shape(text, startArabicIdx, arabicWordSize, text, dest, arabicWordSize, arabicOptions);
if (startArabicIdx != dest) {
for (int k = 0; k < size; ++k) {
detailChunks[dest] = detailChunks[startArabicIdx];
orderLevels[dest++] = orderLevels[startArabicIdx++];
}
}
else
dest += size;
}
}
public PdfLine processLine(float leftX, float width, int alignment, int runDirection, int arabicOptions, float minY, float yLine, float descender) {
isWordSplit = false;
this.arabicOptions = arabicOptions;
save();
boolean isRTL = runDirection == PdfWriter.RUN_DIRECTION_RTL;
if (currentChar >= totalTextLength) {
boolean hasText = getParagraph(runDirection);
if (!hasText)
return null;
if (totalTextLength == 0) {
ArrayList ar = new ArrayList();
PdfChunk ck = new PdfChunk("", detailChunks[0]);
ar.add(ck);
return new PdfLine(0, 0, width, alignment, true, ar, isRTL);
}
}
float originalWidth = width;
int lastSplit = -1;
if (currentChar != 0)
currentChar = trimLeftEx(currentChar, totalTextLength - 1);
int oldCurrentChar = currentChar;
int uniC = 0;
PdfChunk ck = null;
float charWidth = 0;
PdfChunk lastValidChunk = null;
TabStop tabStop = null;
List rtlTabsToBeAligned = new ArrayList();
float tabStopAnchorPosition = Float.NaN;
float tabPosition = Float.NaN;
boolean surrogate = false;
for (; currentChar < totalTextLength; ++currentChar) {
ck = detailChunks[currentChar];
if (ck.isImage() && minY < yLine) {
Image img = ck.getImage();
if (img.isScaleToFitHeight() && yLine + 2 * descender - img.getScaledHeight() - ck.getImageOffsetY() - img.getSpacingBefore() < minY) {
float scalePercent = (yLine + 2 * descender - ck.getImageOffsetY() - img.getSpacingBefore() - minY) / img.getScaledHeight();
ck.setImageScalePercentage(scalePercent);
}
}
surrogate = Utilities.isSurrogatePair(text, currentChar);
if (surrogate)
uniC = ck.getUnicodeEquivalent(Utilities.convertToUtf32(text, currentChar));
else
uniC = ck.getUnicodeEquivalent(text[currentChar]);
if (PdfChunk.noPrint(uniC))
continue;
if (surrogate)
charWidth = ck.getCharWidth(uniC);
else {
if (ck.isImage()) {
charWidth = ck.getImageWidth();
} else {
charWidth = ck.getCharWidth(text[currentChar]);
}
}
if (width - charWidth < 0) {
// If the chunk is an image and it is the first one in line, check if resize requested
// If so, resize to fit the current line width
if (lastValidChunk == null && ck.isImage()) {
Image img = ck.getImage();
if (img.isScaleToFitLineWhenOverflow()) {
//float scalePercent = width / img.getWidth() * 100;
//img.scalePercent(scalePercent);
float scalePercent = width / img.getWidth();
ck.setImageScalePercentage(scalePercent);
charWidth = width;
}
}
}
if (ck.isTab()) {
if (ck.isAttribute(Chunk.TABSETTINGS)) {
lastSplit = currentChar;
if (tabStop != null) {
width = processTabStop(tabStop, tabPosition, originalWidth, width, tabStopAnchorPosition, isRTL, rtlTabsToBeAligned);
}
tabStop = PdfChunk.getTabStop(ck, originalWidth - width);
if (tabStop.getPosition() > originalWidth) {
tabStop = null;
break;
}
ck.setTabStop(tabStop);
if (!isRTL && tabStop.getAlignment() == TabStop.Alignment.LEFT) {
width = originalWidth - tabStop.getPosition();
tabStop = null;
tabPosition = Float.NaN;
tabStopAnchorPosition = Float.NaN;
} else {
tabPosition = originalWidth - width;
tabStopAnchorPosition = Float.NaN;
}
} else {
Object[] tab = (Object[])ck.getAttribute(Chunk.TAB);
//Keep deprecated tab logic for backward compatibility...
float tabStopPosition = ((Float)tab[1]).floatValue();
boolean newLine = ((Boolean)tab[2]).booleanValue();
if (newLine && tabStopPosition < originalWidth - width) {
return new PdfLine(0, originalWidth, width, alignment, true, createArrayOfPdfChunks(oldCurrentChar, currentChar - 1), isRTL);
}
detailChunks[currentChar].adjustLeft(leftX);
width = originalWidth - tabStopPosition;
}
}
else if (ck.isSeparator()) {
Object[] sep = (Object[])ck.getAttribute(Chunk.SEPARATOR);
DrawInterface di = (DrawInterface)sep[0];
Boolean vertical = (Boolean)sep[1];
if (vertical && di instanceof LineSeparator) {
float separatorWidth = originalWidth * ((LineSeparator) di).getPercentage() / 100f;
width -= separatorWidth;
if (width < 0) {
width = 0;
}
}
} else {
boolean splitChar = ck.isExtSplitCharacter(oldCurrentChar, currentChar, totalTextLength, text, detailChunks);
if (splitChar && Character.isWhitespace((char)uniC))
lastSplit = currentChar;
if (width - charWidth < 0)
break;
if (tabStop != null && tabStop.getAlignment() == TabStop.Alignment.ANCHOR && Float.isNaN(tabStopAnchorPosition) && tabStop.getAnchorChar() == (char) uniC) {
tabStopAnchorPosition = originalWidth - width;
}
width -= charWidth;
if (splitChar)
lastSplit = currentChar;
}
lastValidChunk = ck;
if (surrogate)
++currentChar;
}
if (lastValidChunk == null) {
// not even a single char fit; must output the first char
++currentChar;
if (surrogate)
++currentChar;
return new PdfLine(0, originalWidth, 0, alignment, false, createArrayOfPdfChunks(currentChar - 1, currentChar - 1), isRTL);
}
if (tabStop != null) {
width = processTabStop(tabStop, tabPosition, originalWidth, width, tabStopAnchorPosition, isRTL, rtlTabsToBeAligned);
}
if (rtlTabsToBeAligned != null) {
for (TabStop rtlTabStop : rtlTabsToBeAligned) {
rtlTabStop.setPosition(originalWidth - width - rtlTabStop.getPosition());
}
}
if (currentChar >= totalTextLength) {
// there was more line than text
return new PdfLine(0, originalWidth, width, alignment, true, createArrayOfPdfChunks(oldCurrentChar, totalTextLength - 1), isRTL);
}
int newCurrentChar = trimRightEx(oldCurrentChar, currentChar - 1);
if (newCurrentChar < oldCurrentChar) {
// only WS
return new PdfLine(0, originalWidth, width, alignment, false, createArrayOfPdfChunks(oldCurrentChar, currentChar - 1), isRTL);
}
if (newCurrentChar == currentChar - 1) { // middle of word
HyphenationEvent he = (HyphenationEvent)lastValidChunk.getAttribute(Chunk.HYPHENATION);
if (he != null) {
int word[] = getWord(oldCurrentChar, newCurrentChar);
if (word != null) {
float testWidth = width + getWidth(word[0], currentChar - 1);
String pre = he.getHyphenatedWordPre(new String(text, word[0], word[1] - word[0]), lastValidChunk.font().getFont(), lastValidChunk.font().size(), testWidth);
String post = he.getHyphenatedWordPost();
if (pre.length() > 0) {
PdfChunk extra = new PdfChunk(pre, lastValidChunk);
currentChar = word[1] - post.length();
return new PdfLine(0, originalWidth, testWidth - lastValidChunk.width(pre), alignment, false, createArrayOfPdfChunks(oldCurrentChar, word[0] - 1, extra), isRTL);
}
}
}
}
if (lastSplit == -1)
isWordSplit = true;
if (lastSplit == -1 || lastSplit >= newCurrentChar) {
// no split point or split point ahead of end
return new PdfLine(0, originalWidth, width + getWidth(newCurrentChar + 1, currentChar - 1, originalWidth), alignment, false, createArrayOfPdfChunks(oldCurrentChar, newCurrentChar), isRTL);
}
// standard split
currentChar = lastSplit + 1;
newCurrentChar = trimRightEx(oldCurrentChar, lastSplit);
if (newCurrentChar < oldCurrentChar) {
// only WS again
newCurrentChar = currentChar - 1;
}
return new PdfLine(0, originalWidth, originalWidth - getWidth(oldCurrentChar, newCurrentChar, originalWidth), alignment, false, createArrayOfPdfChunks(oldCurrentChar, newCurrentChar), isRTL);
}
private float processTabStop(TabStop tabStop, float tabPosition, float originalWidth, float width, float tabStopAnchorPosition, boolean isRTL, List rtlTabsToBeAligned) {
float tabStopPosition = tabStop.getPosition(tabPosition, originalWidth - width, tabStopAnchorPosition);
width -= tabStopPosition - tabPosition;
if (width < 0) {
tabStopPosition += width;
width = 0;
}
if (!isRTL) {
tabStop.setPosition(tabStopPosition);
} else {
tabStop.setPosition(tabPosition); // This will be mirrored when we know exact line width
rtlTabsToBeAligned.add(tabStop);
}
return width;
}
/**
* Call this after processLine() to know if any word was split into several lines.
* @return
*/
public boolean isWordSplit() {
return isWordSplit;
}
/** Gets the width of a range of characters.
* @param startIdx the first index to calculate
* @param lastIdx the last inclusive index to calculate
* @return the sum of all widths
*/
public float getWidth(int startIdx, int lastIdx) {
return getWidth(startIdx, lastIdx, 0);
}
/** Gets the width of a range of characters.
* @param startIdx the first index to calculate
* @param lastIdx the last inclusive index to calculate
* @param originalWidth the full width of the line. It is used in case of RTL and tab stops
* @return the sum of all widths
*/
public float getWidth(int startIdx, int lastIdx, float originalWidth) {
char c = 0;
PdfChunk ck = null;
float width = 0;
TabStop tabStop = null;
float tabStopAnchorPosition = Float.NaN;
float tabPosition = Float.NaN;
for (; startIdx <= lastIdx; ++startIdx) {
boolean surrogate = Utilities.isSurrogatePair(text, startIdx);
if (detailChunks[startIdx].isTab()
//Keep deprecated tab logic for backward compatibility...
&& detailChunks[startIdx].isAttribute(Chunk.TABSETTINGS)) {
if (tabStop != null) {
float tabStopPosition = tabStop.getPosition(tabPosition, width, tabStopAnchorPosition);
width = tabStopPosition + (width - tabPosition);
tabStop.setPosition(tabStopPosition);
}
tabStop = detailChunks[startIdx].getTabStop();
if (tabStop == null) {
tabStop = PdfChunk.getTabStop(detailChunks[startIdx], width);
tabPosition = width;
tabStopAnchorPosition = Float.NaN;
} else {
if (runDirection == PdfWriter.RUN_DIRECTION_RTL) {
width = originalWidth - tabStop.getPosition();
} else {
width = tabStop.getPosition();
}
tabStop = null;
tabPosition = Float.NaN;
tabStopAnchorPosition = Float.NaN;
}
} else if (surrogate) {
width += detailChunks[startIdx].getCharWidth(Utilities.convertToUtf32(text, startIdx));
++startIdx;
}
else {
c = text[startIdx];
ck = detailChunks[startIdx];
if (PdfChunk.noPrint(ck.getUnicodeEquivalent(c)))
continue;
if (tabStop != null && tabStop.getAlignment() != TabStop.Alignment.ANCHOR && Float.isNaN(tabStopAnchorPosition) && tabStop.getAnchorChar() == (char)ck.getUnicodeEquivalent(c)) {
tabStopAnchorPosition = width;
}
width += detailChunks[startIdx].getCharWidth(c);
}
}
if (tabStop != null) {
float tabStopPosition = tabStop.getPosition(tabPosition, width, tabStopAnchorPosition);
width = tabStopPosition + (width - tabPosition);
tabStop.setPosition(tabStopPosition);
}
return width;
}
public ArrayList createArrayOfPdfChunks(int startIdx, int endIdx) {
return createArrayOfPdfChunks(startIdx, endIdx, null);
}
public ArrayList createArrayOfPdfChunks(int startIdx, int endIdx, PdfChunk extraPdfChunk) {
boolean bidi = runDirection != PdfWriter.RUN_DIRECTION_NO_BIDI;
if (bidi)
reorder(startIdx, endIdx);
ArrayList ar = new ArrayList();
PdfChunk refCk = detailChunks[startIdx];
PdfChunk ck = null;
StringBuffer buf = new StringBuffer();
char c;
int idx = 0;
for (; startIdx <= endIdx; ++startIdx) {
idx = bidi ? indexChars[startIdx] : startIdx;
c = text[idx];
ck = detailChunks[idx];
if (PdfChunk.noPrint(ck.getUnicodeEquivalent(c)))
continue;
if (ck.isImage() || ck.isSeparator() || ck.isTab()) {
if (buf.length() > 0) {
ar.add(new PdfChunk(buf.toString(), refCk));
buf = new StringBuffer();
}
ar.add(ck);
}
else if (ck == refCk) {
buf.append(c);
}
else {
if (buf.length() > 0) {
ar.add(new PdfChunk(buf.toString(), refCk));
buf = new StringBuffer();
}
if (!ck.isImage() && !ck.isSeparator() && !ck.isTab())
buf.append(c);
refCk = ck;
}
}
if (buf.length() > 0) {
ar.add(new PdfChunk(buf.toString(), refCk));
}
if (extraPdfChunk != null)
ar.add(extraPdfChunk);
return ar;
}
public int[] getWord(int startIdx, int idx) {
int last = idx;
int first = idx;
// forward
for (; last < totalTextLength; ++last) {
if (!Character.isLetter(text[last]) && !Character.isDigit(text[last]) && text[last] != '\u00AD')
break;
}
if (last == idx)
return null;
// backward
for (; first >= startIdx; --first) {
if (!Character.isLetter(text[first]) && !Character.isDigit(text[first]) && text[first] != '\u00AD')
break;
}
++first;
return new int[]{first, last};
}
public int trimRight(int startIdx, int endIdx) {
int idx = endIdx;
char c;
for (; idx >= startIdx; --idx) {
c = (char)detailChunks[idx].getUnicodeEquivalent(text[idx]);
if (!isWS(c))
break;
}
return idx;
}
public int trimLeft(int startIdx, int endIdx) {
int idx = startIdx;
char c;
for (; idx <= endIdx; ++idx) {
c = (char)detailChunks[idx].getUnicodeEquivalent(text[idx]);
if (!isWS(c))
break;
}
return idx;
}
public int trimRightEx(int startIdx, int endIdx) {
int idx = endIdx;
char c = 0;
for (; idx >= startIdx; --idx) {
c = (char)detailChunks[idx].getUnicodeEquivalent(text[idx]);
if (!isWS(c) && !PdfChunk.noPrint(c)) {
if (detailChunks[idx].isTab()
//Keep deprecated tab logic for backward compatibility...
&& detailChunks[idx].isAttribute(Chunk.TABSETTINGS)) {
Object[] tab = (Object[])detailChunks[idx].getAttribute(Chunk.TAB);
boolean isWhitespace = (Boolean)tab[1];
if (isWhitespace)
continue;
}
break;
}
}
return idx;
}
public int trimLeftEx(int startIdx, int endIdx) {
int idx = startIdx;
char c = 0;
for (; idx <= endIdx; ++idx) {
c = (char)detailChunks[idx].getUnicodeEquivalent(text[idx]);
if (!isWS(c) && !PdfChunk.noPrint(c)) {
if (detailChunks[idx].isTab()
//Keep deprecated tab logic for backward compatibility...
&& detailChunks[idx].isAttribute(Chunk.TABSETTINGS)) {
Object[] tab = (Object[])detailChunks[idx].getAttribute(Chunk.TAB);
boolean isWhitespace = (Boolean)tab[1];
if (isWhitespace)
continue;
}
break;
}
}
return idx;
}
public void reorder(int start, int end) {
byte maxLevel = orderLevels[start];
byte minLevel = maxLevel;
byte onlyOddLevels = maxLevel;
byte onlyEvenLevels = maxLevel;
for (int k = start + 1; k <= end; ++k) {
byte b = orderLevels[k];
if (b > maxLevel)
maxLevel = b;
else if (b < minLevel)
minLevel = b;
onlyOddLevels &= b;
onlyEvenLevels |= b;
}
if ((onlyEvenLevels & 1) == 0) // nothing to do
return;
if ((onlyOddLevels & 1) == 1) { // single inversion
flip(start, end + 1);
return;
}
minLevel |= 1;
for (; maxLevel >= minLevel; --maxLevel) {
int pstart = start;
for (;;) {
for (;pstart <= end; ++pstart) {
if (orderLevels[pstart] >= maxLevel)
break;
}
if (pstart > end)
break;
int pend = pstart + 1;
for (; pend <= end; ++pend) {
if (orderLevels[pend] < maxLevel)
break;
}
flip(pstart, pend);
pstart = pend + 1;
}
}
}
public void flip(int start, int end) {
int mid = (start + end) / 2;
--end;
for (; start < mid; ++start, --end) {
int temp = indexChars[start];
indexChars[start] = indexChars[end];
indexChars[end] = temp;
}
}
public static boolean isWS(char c) {
return c <= ' ';
}
static {
mirrorChars.put(0x0028, 0x0029); // LEFT PARENTHESIS
mirrorChars.put(0x0029, 0x0028); // RIGHT PARENTHESIS
mirrorChars.put(0x003C, 0x003E); // LESS-THAN SIGN
mirrorChars.put(0x003E, 0x003C); // GREATER-THAN SIGN
mirrorChars.put(0x005B, 0x005D); // LEFT SQUARE BRACKET
mirrorChars.put(0x005D, 0x005B); // RIGHT SQUARE BRACKET
mirrorChars.put(0x007B, 0x007D); // LEFT CURLY BRACKET
mirrorChars.put(0x007D, 0x007B); // RIGHT CURLY BRACKET
mirrorChars.put(0x00AB, 0x00BB); // LEFT-POINTING DOUBLE ANGLE QUOTATION MARK
mirrorChars.put(0x00BB, 0x00AB); // RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK
mirrorChars.put(0x2039, 0x203A); // SINGLE LEFT-POINTING ANGLE QUOTATION MARK
mirrorChars.put(0x203A, 0x2039); // SINGLE RIGHT-POINTING ANGLE QUOTATION MARK
mirrorChars.put(0x2045, 0x2046); // LEFT SQUARE BRACKET WITH QUILL
mirrorChars.put(0x2046, 0x2045); // RIGHT SQUARE BRACKET WITH QUILL
mirrorChars.put(0x207D, 0x207E); // SUPERSCRIPT LEFT PARENTHESIS
mirrorChars.put(0x207E, 0x207D); // SUPERSCRIPT RIGHT PARENTHESIS
mirrorChars.put(0x208D, 0x208E); // SUBSCRIPT LEFT PARENTHESIS
mirrorChars.put(0x208E, 0x208D); // SUBSCRIPT RIGHT PARENTHESIS
mirrorChars.put(0x2208, 0x220B); // ELEMENT OF
mirrorChars.put(0x2209, 0x220C); // NOT AN ELEMENT OF
mirrorChars.put(0x220A, 0x220D); // SMALL ELEMENT OF
mirrorChars.put(0x220B, 0x2208); // CONTAINS AS MEMBER
mirrorChars.put(0x220C, 0x2209); // DOES NOT CONTAIN AS MEMBER
mirrorChars.put(0x220D, 0x220A); // SMALL CONTAINS AS MEMBER
mirrorChars.put(0x2215, 0x29F5); // DIVISION SLASH
mirrorChars.put(0x223C, 0x223D); // TILDE OPERATOR
mirrorChars.put(0x223D, 0x223C); // REVERSED TILDE
mirrorChars.put(0x2243, 0x22CD); // ASYMPTOTICALLY EQUAL TO
mirrorChars.put(0x2252, 0x2253); // APPROXIMATELY EQUAL TO OR THE IMAGE OF
mirrorChars.put(0x2253, 0x2252); // IMAGE OF OR APPROXIMATELY EQUAL TO
mirrorChars.put(0x2254, 0x2255); // COLON EQUALS
mirrorChars.put(0x2255, 0x2254); // EQUALS COLON
mirrorChars.put(0x2264, 0x2265); // LESS-THAN OR EQUAL TO
mirrorChars.put(0x2265, 0x2264); // GREATER-THAN OR EQUAL TO
mirrorChars.put(0x2266, 0x2267); // LESS-THAN OVER EQUAL TO
mirrorChars.put(0x2267, 0x2266); // GREATER-THAN OVER EQUAL TO
mirrorChars.put(0x2268, 0x2269); // [BEST FIT] LESS-THAN BUT NOT EQUAL TO
mirrorChars.put(0x2269, 0x2268); // [BEST FIT] GREATER-THAN BUT NOT EQUAL TO
mirrorChars.put(0x226A, 0x226B); // MUCH LESS-THAN
mirrorChars.put(0x226B, 0x226A); // MUCH GREATER-THAN
mirrorChars.put(0x226E, 0x226F); // [BEST FIT] NOT LESS-THAN
mirrorChars.put(0x226F, 0x226E); // [BEST FIT] NOT GREATER-THAN
mirrorChars.put(0x2270, 0x2271); // [BEST FIT] NEITHER LESS-THAN NOR EQUAL TO
mirrorChars.put(0x2271, 0x2270); // [BEST FIT] NEITHER GREATER-THAN NOR EQUAL TO
mirrorChars.put(0x2272, 0x2273); // [BEST FIT] LESS-THAN OR EQUIVALENT TO
mirrorChars.put(0x2273, 0x2272); // [BEST FIT] GREATER-THAN OR EQUIVALENT TO
mirrorChars.put(0x2274, 0x2275); // [BEST FIT] NEITHER LESS-THAN NOR EQUIVALENT TO
mirrorChars.put(0x2275, 0x2274); // [BEST FIT] NEITHER GREATER-THAN NOR EQUIVALENT TO
mirrorChars.put(0x2276, 0x2277); // LESS-THAN OR GREATER-THAN
mirrorChars.put(0x2277, 0x2276); // GREATER-THAN OR LESS-THAN
mirrorChars.put(0x2278, 0x2279); // NEITHER LESS-THAN NOR GREATER-THAN
mirrorChars.put(0x2279, 0x2278); // NEITHER GREATER-THAN NOR LESS-THAN
mirrorChars.put(0x227A, 0x227B); // PRECEDES
mirrorChars.put(0x227B, 0x227A); // SUCCEEDS
mirrorChars.put(0x227C, 0x227D); // PRECEDES OR EQUAL TO
mirrorChars.put(0x227D, 0x227C); // SUCCEEDS OR EQUAL TO
mirrorChars.put(0x227E, 0x227F); // [BEST FIT] PRECEDES OR EQUIVALENT TO
mirrorChars.put(0x227F, 0x227E); // [BEST FIT] SUCCEEDS OR EQUIVALENT TO
mirrorChars.put(0x2280, 0x2281); // [BEST FIT] DOES NOT PRECEDE
mirrorChars.put(0x2281, 0x2280); // [BEST FIT] DOES NOT SUCCEED
mirrorChars.put(0x2282, 0x2283); // SUBSET OF
mirrorChars.put(0x2283, 0x2282); // SUPERSET OF
mirrorChars.put(0x2284, 0x2285); // [BEST FIT] NOT A SUBSET OF
mirrorChars.put(0x2285, 0x2284); // [BEST FIT] NOT A SUPERSET OF
mirrorChars.put(0x2286, 0x2287); // SUBSET OF OR EQUAL TO
mirrorChars.put(0x2287, 0x2286); // SUPERSET OF OR EQUAL TO
mirrorChars.put(0x2288, 0x2289); // [BEST FIT] NEITHER A SUBSET OF NOR EQUAL TO
mirrorChars.put(0x2289, 0x2288); // [BEST FIT] NEITHER A SUPERSET OF NOR EQUAL TO
mirrorChars.put(0x228A, 0x228B); // [BEST FIT] SUBSET OF WITH NOT EQUAL TO
mirrorChars.put(0x228B, 0x228A); // [BEST FIT] SUPERSET OF WITH NOT EQUAL TO
mirrorChars.put(0x228F, 0x2290); // SQUARE IMAGE OF
mirrorChars.put(0x2290, 0x228F); // SQUARE ORIGINAL OF
mirrorChars.put(0x2291, 0x2292); // SQUARE IMAGE OF OR EQUAL TO
mirrorChars.put(0x2292, 0x2291); // SQUARE ORIGINAL OF OR EQUAL TO
mirrorChars.put(0x2298, 0x29B8); // CIRCLED DIVISION SLASH
mirrorChars.put(0x22A2, 0x22A3); // RIGHT TACK
mirrorChars.put(0x22A3, 0x22A2); // LEFT TACK
mirrorChars.put(0x22A6, 0x2ADE); // ASSERTION
mirrorChars.put(0x22A8, 0x2AE4); // TRUE
mirrorChars.put(0x22A9, 0x2AE3); // FORCES
mirrorChars.put(0x22AB, 0x2AE5); // DOUBLE VERTICAL BAR DOUBLE RIGHT TURNSTILE
mirrorChars.put(0x22B0, 0x22B1); // PRECEDES UNDER RELATION
mirrorChars.put(0x22B1, 0x22B0); // SUCCEEDS UNDER RELATION
mirrorChars.put(0x22B2, 0x22B3); // NORMAL SUBGROUP OF
mirrorChars.put(0x22B3, 0x22B2); // CONTAINS AS NORMAL SUBGROUP
mirrorChars.put(0x22B4, 0x22B5); // NORMAL SUBGROUP OF OR EQUAL TO
mirrorChars.put(0x22B5, 0x22B4); // CONTAINS AS NORMAL SUBGROUP OR EQUAL TO
mirrorChars.put(0x22B6, 0x22B7); // ORIGINAL OF
mirrorChars.put(0x22B7, 0x22B6); // IMAGE OF
mirrorChars.put(0x22C9, 0x22CA); // LEFT NORMAL FACTOR SEMIDIRECT PRODUCT
mirrorChars.put(0x22CA, 0x22C9); // RIGHT NORMAL FACTOR SEMIDIRECT PRODUCT
mirrorChars.put(0x22CB, 0x22CC); // LEFT SEMIDIRECT PRODUCT
mirrorChars.put(0x22CC, 0x22CB); // RIGHT SEMIDIRECT PRODUCT
mirrorChars.put(0x22CD, 0x2243); // REVERSED TILDE EQUALS
mirrorChars.put(0x22D0, 0x22D1); // DOUBLE SUBSET
mirrorChars.put(0x22D1, 0x22D0); // DOUBLE SUPERSET
mirrorChars.put(0x22D6, 0x22D7); // LESS-THAN WITH DOT
mirrorChars.put(0x22D7, 0x22D6); // GREATER-THAN WITH DOT
mirrorChars.put(0x22D8, 0x22D9); // VERY MUCH LESS-THAN
mirrorChars.put(0x22D9, 0x22D8); // VERY MUCH GREATER-THAN
mirrorChars.put(0x22DA, 0x22DB); // LESS-THAN EQUAL TO OR GREATER-THAN
mirrorChars.put(0x22DB, 0x22DA); // GREATER-THAN EQUAL TO OR LESS-THAN
mirrorChars.put(0x22DC, 0x22DD); // EQUAL TO OR LESS-THAN
mirrorChars.put(0x22DD, 0x22DC); // EQUAL TO OR GREATER-THAN
mirrorChars.put(0x22DE, 0x22DF); // EQUAL TO OR PRECEDES
mirrorChars.put(0x22DF, 0x22DE); // EQUAL TO OR SUCCEEDS
mirrorChars.put(0x22E0, 0x22E1); // [BEST FIT] DOES NOT PRECEDE OR EQUAL
mirrorChars.put(0x22E1, 0x22E0); // [BEST FIT] DOES NOT SUCCEED OR EQUAL
mirrorChars.put(0x22E2, 0x22E3); // [BEST FIT] NOT SQUARE IMAGE OF OR EQUAL TO
mirrorChars.put(0x22E3, 0x22E2); // [BEST FIT] NOT SQUARE ORIGINAL OF OR EQUAL TO
mirrorChars.put(0x22E4, 0x22E5); // [BEST FIT] SQUARE IMAGE OF OR NOT EQUAL TO
mirrorChars.put(0x22E5, 0x22E4); // [BEST FIT] SQUARE ORIGINAL OF OR NOT EQUAL TO
mirrorChars.put(0x22E6, 0x22E7); // [BEST FIT] LESS-THAN BUT NOT EQUIVALENT TO
mirrorChars.put(0x22E7, 0x22E6); // [BEST FIT] GREATER-THAN BUT NOT EQUIVALENT TO
mirrorChars.put(0x22E8, 0x22E9); // [BEST FIT] PRECEDES BUT NOT EQUIVALENT TO
mirrorChars.put(0x22E9, 0x22E8); // [BEST FIT] SUCCEEDS BUT NOT EQUIVALENT TO
mirrorChars.put(0x22EA, 0x22EB); // [BEST FIT] NOT NORMAL SUBGROUP OF
mirrorChars.put(0x22EB, 0x22EA); // [BEST FIT] DOES NOT CONTAIN AS NORMAL SUBGROUP
mirrorChars.put(0x22EC, 0x22ED); // [BEST FIT] NOT NORMAL SUBGROUP OF OR EQUAL TO
mirrorChars.put(0x22ED, 0x22EC); // [BEST FIT] DOES NOT CONTAIN AS NORMAL SUBGROUP OR EQUAL
mirrorChars.put(0x22F0, 0x22F1); // UP RIGHT DIAGONAL ELLIPSIS
mirrorChars.put(0x22F1, 0x22F0); // DOWN RIGHT DIAGONAL ELLIPSIS
mirrorChars.put(0x22F2, 0x22FA); // ELEMENT OF WITH LONG HORIZONTAL STROKE
mirrorChars.put(0x22F3, 0x22FB); // ELEMENT OF WITH VERTICAL BAR AT END OF HORIZONTAL STROKE
mirrorChars.put(0x22F4, 0x22FC); // SMALL ELEMENT OF WITH VERTICAL BAR AT END OF HORIZONTAL STROKE
mirrorChars.put(0x22F6, 0x22FD); // ELEMENT OF WITH OVERBAR
mirrorChars.put(0x22F7, 0x22FE); // SMALL ELEMENT OF WITH OVERBAR
mirrorChars.put(0x22FA, 0x22F2); // CONTAINS WITH LONG HORIZONTAL STROKE
mirrorChars.put(0x22FB, 0x22F3); // CONTAINS WITH VERTICAL BAR AT END OF HORIZONTAL STROKE
mirrorChars.put(0x22FC, 0x22F4); // SMALL CONTAINS WITH VERTICAL BAR AT END OF HORIZONTAL STROKE
mirrorChars.put(0x22FD, 0x22F6); // CONTAINS WITH OVERBAR
mirrorChars.put(0x22FE, 0x22F7); // SMALL CONTAINS WITH OVERBAR
mirrorChars.put(0x2308, 0x2309); // LEFT CEILING
mirrorChars.put(0x2309, 0x2308); // RIGHT CEILING
mirrorChars.put(0x230A, 0x230B); // LEFT FLOOR
mirrorChars.put(0x230B, 0x230A); // RIGHT FLOOR
mirrorChars.put(0x2329, 0x232A); // LEFT-POINTING ANGLE BRACKET
mirrorChars.put(0x232A, 0x2329); // RIGHT-POINTING ANGLE BRACKET
mirrorChars.put(0x2768, 0x2769); // MEDIUM LEFT PARENTHESIS ORNAMENT
mirrorChars.put(0x2769, 0x2768); // MEDIUM RIGHT PARENTHESIS ORNAMENT
mirrorChars.put(0x276A, 0x276B); // MEDIUM FLATTENED LEFT PARENTHESIS ORNAMENT
mirrorChars.put(0x276B, 0x276A); // MEDIUM FLATTENED RIGHT PARENTHESIS ORNAMENT
mirrorChars.put(0x276C, 0x276D); // MEDIUM LEFT-POINTING ANGLE BRACKET ORNAMENT
mirrorChars.put(0x276D, 0x276C); // MEDIUM RIGHT-POINTING ANGLE BRACKET ORNAMENT
mirrorChars.put(0x276E, 0x276F); // HEAVY LEFT-POINTING ANGLE QUOTATION MARK ORNAMENT
mirrorChars.put(0x276F, 0x276E); // HEAVY RIGHT-POINTING ANGLE QUOTATION MARK ORNAMENT
mirrorChars.put(0x2770, 0x2771); // HEAVY LEFT-POINTING ANGLE BRACKET ORNAMENT
mirrorChars.put(0x2771, 0x2770); // HEAVY RIGHT-POINTING ANGLE BRACKET ORNAMENT
mirrorChars.put(0x2772, 0x2773); // LIGHT LEFT TORTOISE SHELL BRACKET
mirrorChars.put(0x2773, 0x2772); // LIGHT RIGHT TORTOISE SHELL BRACKET
mirrorChars.put(0x2774, 0x2775); // MEDIUM LEFT CURLY BRACKET ORNAMENT
mirrorChars.put(0x2775, 0x2774); // MEDIUM RIGHT CURLY BRACKET ORNAMENT
mirrorChars.put(0x27D5, 0x27D6); // LEFT OUTER JOIN
mirrorChars.put(0x27D6, 0x27D5); // RIGHT OUTER JOIN
mirrorChars.put(0x27DD, 0x27DE); // LONG RIGHT TACK
mirrorChars.put(0x27DE, 0x27DD); // LONG LEFT TACK
mirrorChars.put(0x27E2, 0x27E3); // WHITE CONCAVE-SIDED DIAMOND WITH LEFTWARDS TICK
mirrorChars.put(0x27E3, 0x27E2); // WHITE CONCAVE-SIDED DIAMOND WITH RIGHTWARDS TICK
mirrorChars.put(0x27E4, 0x27E5); // WHITE SQUARE WITH LEFTWARDS TICK
mirrorChars.put(0x27E5, 0x27E4); // WHITE SQUARE WITH RIGHTWARDS TICK
mirrorChars.put(0x27E6, 0x27E7); // MATHEMATICAL LEFT WHITE SQUARE BRACKET
mirrorChars.put(0x27E7, 0x27E6); // MATHEMATICAL RIGHT WHITE SQUARE BRACKET
mirrorChars.put(0x27E8, 0x27E9); // MATHEMATICAL LEFT ANGLE BRACKET
mirrorChars.put(0x27E9, 0x27E8); // MATHEMATICAL RIGHT ANGLE BRACKET
mirrorChars.put(0x27EA, 0x27EB); // MATHEMATICAL LEFT DOUBLE ANGLE BRACKET
mirrorChars.put(0x27EB, 0x27EA); // MATHEMATICAL RIGHT DOUBLE ANGLE BRACKET
mirrorChars.put(0x2983, 0x2984); // LEFT WHITE CURLY BRACKET
mirrorChars.put(0x2984, 0x2983); // RIGHT WHITE CURLY BRACKET
mirrorChars.put(0x2985, 0x2986); // LEFT WHITE PARENTHESIS
mirrorChars.put(0x2986, 0x2985); // RIGHT WHITE PARENTHESIS
mirrorChars.put(0x2987, 0x2988); // Z NOTATION LEFT IMAGE BRACKET
mirrorChars.put(0x2988, 0x2987); // Z NOTATION RIGHT IMAGE BRACKET
mirrorChars.put(0x2989, 0x298A); // Z NOTATION LEFT BINDING BRACKET
mirrorChars.put(0x298A, 0x2989); // Z NOTATION RIGHT BINDING BRACKET
mirrorChars.put(0x298B, 0x298C); // LEFT SQUARE BRACKET WITH UNDERBAR
mirrorChars.put(0x298C, 0x298B); // RIGHT SQUARE BRACKET WITH UNDERBAR
mirrorChars.put(0x298D, 0x2990); // LEFT SQUARE BRACKET WITH TICK IN TOP CORNER
mirrorChars.put(0x298E, 0x298F); // RIGHT SQUARE BRACKET WITH TICK IN BOTTOM CORNER
mirrorChars.put(0x298F, 0x298E); // LEFT SQUARE BRACKET WITH TICK IN BOTTOM CORNER
mirrorChars.put(0x2990, 0x298D); // RIGHT SQUARE BRACKET WITH TICK IN TOP CORNER
mirrorChars.put(0x2991, 0x2992); // LEFT ANGLE BRACKET WITH DOT
mirrorChars.put(0x2992, 0x2991); // RIGHT ANGLE BRACKET WITH DOT
mirrorChars.put(0x2993, 0x2994); // LEFT ARC LESS-THAN BRACKET
mirrorChars.put(0x2994, 0x2993); // RIGHT ARC GREATER-THAN BRACKET
mirrorChars.put(0x2995, 0x2996); // DOUBLE LEFT ARC GREATER-THAN BRACKET
mirrorChars.put(0x2996, 0x2995); // DOUBLE RIGHT ARC LESS-THAN BRACKET
mirrorChars.put(0x2997, 0x2998); // LEFT BLACK TORTOISE SHELL BRACKET
mirrorChars.put(0x2998, 0x2997); // RIGHT BLACK TORTOISE SHELL BRACKET
mirrorChars.put(0x29B8, 0x2298); // CIRCLED REVERSE SOLIDUS
mirrorChars.put(0x29C0, 0x29C1); // CIRCLED LESS-THAN
mirrorChars.put(0x29C1, 0x29C0); // CIRCLED GREATER-THAN
mirrorChars.put(0x29C4, 0x29C5); // SQUARED RISING DIAGONAL SLASH
mirrorChars.put(0x29C5, 0x29C4); // SQUARED FALLING DIAGONAL SLASH
mirrorChars.put(0x29CF, 0x29D0); // LEFT TRIANGLE BESIDE VERTICAL BAR
mirrorChars.put(0x29D0, 0x29CF); // VERTICAL BAR BESIDE RIGHT TRIANGLE
mirrorChars.put(0x29D1, 0x29D2); // BOWTIE WITH LEFT HALF BLACK
mirrorChars.put(0x29D2, 0x29D1); // BOWTIE WITH RIGHT HALF BLACK
mirrorChars.put(0x29D4, 0x29D5); // TIMES WITH LEFT HALF BLACK
mirrorChars.put(0x29D5, 0x29D4); // TIMES WITH RIGHT HALF BLACK
mirrorChars.put(0x29D8, 0x29D9); // LEFT WIGGLY FENCE
mirrorChars.put(0x29D9, 0x29D8); // RIGHT WIGGLY FENCE
mirrorChars.put(0x29DA, 0x29DB); // LEFT DOUBLE WIGGLY FENCE
mirrorChars.put(0x29DB, 0x29DA); // RIGHT DOUBLE WIGGLY FENCE
mirrorChars.put(0x29F5, 0x2215); // REVERSE SOLIDUS OPERATOR
mirrorChars.put(0x29F8, 0x29F9); // BIG SOLIDUS
mirrorChars.put(0x29F9, 0x29F8); // BIG REVERSE SOLIDUS
mirrorChars.put(0x29FC, 0x29FD); // LEFT-POINTING CURVED ANGLE BRACKET
mirrorChars.put(0x29FD, 0x29FC); // RIGHT-POINTING CURVED ANGLE BRACKET
mirrorChars.put(0x2A2B, 0x2A2C); // MINUS SIGN WITH FALLING DOTS
mirrorChars.put(0x2A2C, 0x2A2B); // MINUS SIGN WITH RISING DOTS
mirrorChars.put(0x2A2D, 0x2A2C); // PLUS SIGN IN LEFT HALF CIRCLE
mirrorChars.put(0x2A2E, 0x2A2D); // PLUS SIGN IN RIGHT HALF CIRCLE
mirrorChars.put(0x2A34, 0x2A35); // MULTIPLICATION SIGN IN LEFT HALF CIRCLE
mirrorChars.put(0x2A35, 0x2A34); // MULTIPLICATION SIGN IN RIGHT HALF CIRCLE
mirrorChars.put(0x2A3C, 0x2A3D); // INTERIOR PRODUCT
mirrorChars.put(0x2A3D, 0x2A3C); // RIGHTHAND INTERIOR PRODUCT
mirrorChars.put(0x2A64, 0x2A65); // Z NOTATION DOMAIN ANTIRESTRICTION
mirrorChars.put(0x2A65, 0x2A64); // Z NOTATION RANGE ANTIRESTRICTION
mirrorChars.put(0x2A79, 0x2A7A); // LESS-THAN WITH CIRCLE INSIDE
mirrorChars.put(0x2A7A, 0x2A79); // GREATER-THAN WITH CIRCLE INSIDE
mirrorChars.put(0x2A7D, 0x2A7E); // LESS-THAN OR SLANTED EQUAL TO
mirrorChars.put(0x2A7E, 0x2A7D); // GREATER-THAN OR SLANTED EQUAL TO
mirrorChars.put(0x2A7F, 0x2A80); // LESS-THAN OR SLANTED EQUAL TO WITH DOT INSIDE
mirrorChars.put(0x2A80, 0x2A7F); // GREATER-THAN OR SLANTED EQUAL TO WITH DOT INSIDE
mirrorChars.put(0x2A81, 0x2A82); // LESS-THAN OR SLANTED EQUAL TO WITH DOT ABOVE
mirrorChars.put(0x2A82, 0x2A81); // GREATER-THAN OR SLANTED EQUAL TO WITH DOT ABOVE
mirrorChars.put(0x2A83, 0x2A84); // LESS-THAN OR SLANTED EQUAL TO WITH DOT ABOVE RIGHT
mirrorChars.put(0x2A84, 0x2A83); // GREATER-THAN OR SLANTED EQUAL TO WITH DOT ABOVE LEFT
mirrorChars.put(0x2A8B, 0x2A8C); // LESS-THAN ABOVE DOUBLE-LINE EQUAL ABOVE GREATER-THAN
mirrorChars.put(0x2A8C, 0x2A8B); // GREATER-THAN ABOVE DOUBLE-LINE EQUAL ABOVE LESS-THAN
mirrorChars.put(0x2A91, 0x2A92); // LESS-THAN ABOVE GREATER-THAN ABOVE DOUBLE-LINE EQUAL
mirrorChars.put(0x2A92, 0x2A91); // GREATER-THAN ABOVE LESS-THAN ABOVE DOUBLE-LINE EQUAL
mirrorChars.put(0x2A93, 0x2A94); // LESS-THAN ABOVE SLANTED EQUAL ABOVE GREATER-THAN ABOVE SLANTED EQUAL
mirrorChars.put(0x2A94, 0x2A93); // GREATER-THAN ABOVE SLANTED EQUAL ABOVE LESS-THAN ABOVE SLANTED EQUAL
mirrorChars.put(0x2A95, 0x2A96); // SLANTED EQUAL TO OR LESS-THAN
mirrorChars.put(0x2A96, 0x2A95); // SLANTED EQUAL TO OR GREATER-THAN
mirrorChars.put(0x2A97, 0x2A98); // SLANTED EQUAL TO OR LESS-THAN WITH DOT INSIDE
mirrorChars.put(0x2A98, 0x2A97); // SLANTED EQUAL TO OR GREATER-THAN WITH DOT INSIDE
mirrorChars.put(0x2A99, 0x2A9A); // DOUBLE-LINE EQUAL TO OR LESS-THAN
mirrorChars.put(0x2A9A, 0x2A99); // DOUBLE-LINE EQUAL TO OR GREATER-THAN
mirrorChars.put(0x2A9B, 0x2A9C); // DOUBLE-LINE SLANTED EQUAL TO OR LESS-THAN
mirrorChars.put(0x2A9C, 0x2A9B); // DOUBLE-LINE SLANTED EQUAL TO OR GREATER-THAN
mirrorChars.put(0x2AA1, 0x2AA2); // DOUBLE NESTED LESS-THAN
mirrorChars.put(0x2AA2, 0x2AA1); // DOUBLE NESTED GREATER-THAN
mirrorChars.put(0x2AA6, 0x2AA7); // LESS-THAN CLOSED BY CURVE
mirrorChars.put(0x2AA7, 0x2AA6); // GREATER-THAN CLOSED BY CURVE
mirrorChars.put(0x2AA8, 0x2AA9); // LESS-THAN CLOSED BY CURVE ABOVE SLANTED EQUAL
mirrorChars.put(0x2AA9, 0x2AA8); // GREATER-THAN CLOSED BY CURVE ABOVE SLANTED EQUAL
mirrorChars.put(0x2AAA, 0x2AAB); // SMALLER THAN
mirrorChars.put(0x2AAB, 0x2AAA); // LARGER THAN
mirrorChars.put(0x2AAC, 0x2AAD); // SMALLER THAN OR EQUAL TO
mirrorChars.put(0x2AAD, 0x2AAC); // LARGER THAN OR EQUAL TO
mirrorChars.put(0x2AAF, 0x2AB0); // PRECEDES ABOVE SINGLE-LINE EQUALS SIGN
mirrorChars.put(0x2AB0, 0x2AAF); // SUCCEEDS ABOVE SINGLE-LINE EQUALS SIGN
mirrorChars.put(0x2AB3, 0x2AB4); // PRECEDES ABOVE EQUALS SIGN
mirrorChars.put(0x2AB4, 0x2AB3); // SUCCEEDS ABOVE EQUALS SIGN
mirrorChars.put(0x2ABB, 0x2ABC); // DOUBLE PRECEDES
mirrorChars.put(0x2ABC, 0x2ABB); // DOUBLE SUCCEEDS
mirrorChars.put(0x2ABD, 0x2ABE); // SUBSET WITH DOT
mirrorChars.put(0x2ABE, 0x2ABD); // SUPERSET WITH DOT
mirrorChars.put(0x2ABF, 0x2AC0); // SUBSET WITH PLUS SIGN BELOW
mirrorChars.put(0x2AC0, 0x2ABF); // SUPERSET WITH PLUS SIGN BELOW
mirrorChars.put(0x2AC1, 0x2AC2); // SUBSET WITH MULTIPLICATION SIGN BELOW
mirrorChars.put(0x2AC2, 0x2AC1); // SUPERSET WITH MULTIPLICATION SIGN BELOW
mirrorChars.put(0x2AC3, 0x2AC4); // SUBSET OF OR EQUAL TO WITH DOT ABOVE
mirrorChars.put(0x2AC4, 0x2AC3); // SUPERSET OF OR EQUAL TO WITH DOT ABOVE
mirrorChars.put(0x2AC5, 0x2AC6); // SUBSET OF ABOVE EQUALS SIGN
mirrorChars.put(0x2AC6, 0x2AC5); // SUPERSET OF ABOVE EQUALS SIGN
mirrorChars.put(0x2ACD, 0x2ACE); // SQUARE LEFT OPEN BOX OPERATOR
mirrorChars.put(0x2ACE, 0x2ACD); // SQUARE RIGHT OPEN BOX OPERATOR
mirrorChars.put(0x2ACF, 0x2AD0); // CLOSED SUBSET
mirrorChars.put(0x2AD0, 0x2ACF); // CLOSED SUPERSET
mirrorChars.put(0x2AD1, 0x2AD2); // CLOSED SUBSET OR EQUAL TO
mirrorChars.put(0x2AD2, 0x2AD1); // CLOSED SUPERSET OR EQUAL TO
mirrorChars.put(0x2AD3, 0x2AD4); // SUBSET ABOVE SUPERSET
mirrorChars.put(0x2AD4, 0x2AD3); // SUPERSET ABOVE SUBSET
mirrorChars.put(0x2AD5, 0x2AD6); // SUBSET ABOVE SUBSET
mirrorChars.put(0x2AD6, 0x2AD5); // SUPERSET ABOVE SUPERSET
mirrorChars.put(0x2ADE, 0x22A6); // SHORT LEFT TACK
mirrorChars.put(0x2AE3, 0x22A9); // DOUBLE VERTICAL BAR LEFT TURNSTILE
mirrorChars.put(0x2AE4, 0x22A8); // VERTICAL BAR DOUBLE LEFT TURNSTILE
mirrorChars.put(0x2AE5, 0x22AB); // DOUBLE VERTICAL BAR DOUBLE LEFT TURNSTILE
mirrorChars.put(0x2AEC, 0x2AED); // DOUBLE STROKE NOT SIGN
mirrorChars.put(0x2AED, 0x2AEC); // REVERSED DOUBLE STROKE NOT SIGN
mirrorChars.put(0x2AF7, 0x2AF8); // TRIPLE NESTED LESS-THAN
mirrorChars.put(0x2AF8, 0x2AF7); // TRIPLE NESTED GREATER-THAN
mirrorChars.put(0x2AF9, 0x2AFA); // DOUBLE-LINE SLANTED LESS-THAN OR EQUAL TO
mirrorChars.put(0x2AFA, 0x2AF9); // DOUBLE-LINE SLANTED GREATER-THAN OR EQUAL TO
mirrorChars.put(0x3008, 0x3009); // LEFT ANGLE BRACKET
mirrorChars.put(0x3009, 0x3008); // RIGHT ANGLE BRACKET
mirrorChars.put(0x300A, 0x300B); // LEFT DOUBLE ANGLE BRACKET
mirrorChars.put(0x300B, 0x300A); // RIGHT DOUBLE ANGLE BRACKET
mirrorChars.put(0x300C, 0x300D); // [BEST FIT] LEFT CORNER BRACKET
mirrorChars.put(0x300D, 0x300C); // [BEST FIT] RIGHT CORNER BRACKET
mirrorChars.put(0x300E, 0x300F); // [BEST FIT] LEFT WHITE CORNER BRACKET
mirrorChars.put(0x300F, 0x300E); // [BEST FIT] RIGHT WHITE CORNER BRACKET
mirrorChars.put(0x3010, 0x3011); // LEFT BLACK LENTICULAR BRACKET
mirrorChars.put(0x3011, 0x3010); // RIGHT BLACK LENTICULAR BRACKET
mirrorChars.put(0x3014, 0x3015); // LEFT TORTOISE SHELL BRACKET
mirrorChars.put(0x3015, 0x3014); // RIGHT TORTOISE SHELL BRACKET
mirrorChars.put(0x3016, 0x3017); // LEFT WHITE LENTICULAR BRACKET
mirrorChars.put(0x3017, 0x3016); // RIGHT WHITE LENTICULAR BRACKET
mirrorChars.put(0x3018, 0x3019); // LEFT WHITE TORTOISE SHELL BRACKET
mirrorChars.put(0x3019, 0x3018); // RIGHT WHITE TORTOISE SHELL BRACKET
mirrorChars.put(0x301A, 0x301B); // LEFT WHITE SQUARE BRACKET
mirrorChars.put(0x301B, 0x301A); // RIGHT WHITE SQUARE BRACKET
mirrorChars.put(0xFF08, 0xFF09); // FULLWIDTH LEFT PARENTHESIS
mirrorChars.put(0xFF09, 0xFF08); // FULLWIDTH RIGHT PARENTHESIS
mirrorChars.put(0xFF1C, 0xFF1E); // FULLWIDTH LESS-THAN SIGN
mirrorChars.put(0xFF1E, 0xFF1C); // FULLWIDTH GREATER-THAN SIGN
mirrorChars.put(0xFF3B, 0xFF3D); // FULLWIDTH LEFT SQUARE BRACKET
mirrorChars.put(0xFF3D, 0xFF3B); // FULLWIDTH RIGHT SQUARE BRACKET
mirrorChars.put(0xFF5B, 0xFF5D); // FULLWIDTH LEFT CURLY BRACKET
mirrorChars.put(0xFF5D, 0xFF5B); // FULLWIDTH RIGHT CURLY BRACKET
mirrorChars.put(0xFF5F, 0xFF60); // FULLWIDTH LEFT WHITE PARENTHESIS
mirrorChars.put(0xFF60, 0xFF5F); // FULLWIDTH RIGHT WHITE PARENTHESIS
mirrorChars.put(0xFF62, 0xFF63); // [BEST FIT] HALFWIDTH LEFT CORNER BRACKET
mirrorChars.put(0xFF63, 0xFF62); // [BEST FIT] HALFWIDTH RIGHT CORNER BRACKET
}
/**
* Method that changes a String with Arabic characters into a String in which the ligatures are made.
* @param s the original String
* @param runDirection
* @param arabicOptions
* @return the String with the ligatures
*/
public static String processLTR(String s, int runDirection, int arabicOptions) {
BidiLine bidi = new BidiLine();
bidi.addChunk(new PdfChunk(new Chunk(s), null));
bidi.arabicOptions = arabicOptions;
bidi.getParagraph(runDirection);
ArrayList arr = bidi.createArrayOfPdfChunks(0, bidi.totalTextLength - 1);
StringBuilder sb = new StringBuilder();
for (PdfChunk ck : arr) {
sb.append(ck.toString());
}
return sb.toString();
}
}
