BidiWriter.java
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/*
* Decompiled with CFR 0_118.
*/
package com.adobe.agl.text;
import com.adobe.agl.lang.UCharacter;
import com.adobe.agl.text.Bidi;
import com.adobe.agl.text.BidiRun;
import com.adobe.agl.text.UTF16;
final class BidiWriter {
private static boolean IsCombining(int type) {
return (1 << type & 448) != 0;
}
private static String doWriteForward(String src, int options) {
switch (options & 10) {
case 0: {
return new String(src);
}
case 2: {
int c;
StringBuffer dest = new StringBuffer(src.length());
int i = 0;
do {
c = UTF16.charAt(src, i);
UTF16.append(dest, UCharacter.getMirror(c));
} while ((i += UTF16.getCharCount(c)) < src.length());
return dest.toString();
}
case 8: {
StringBuffer dest = new StringBuffer(src.length());
int i = 0;
do {
char c;
if (Bidi.IsBidiControlChar(c = src.charAt(i++))) continue;
dest.append(c);
} while (i < src.length());
return dest.toString();
}
}
StringBuffer dest = new StringBuffer(src.length());
int i = 0;
do {
int c = UTF16.charAt(src, i);
i += UTF16.getCharCount(c);
if (Bidi.IsBidiControlChar(c)) continue;
UTF16.append(dest, UCharacter.getMirror(c));
} while (i < src.length());
return dest.toString();
}
private static String doWriteForward(char[] text, int start, int limit, int options) {
return BidiWriter.doWriteForward(new String(text, start, limit - start), options);
}
static String writeReverse(String src, int options) {
StringBuffer dest = new StringBuffer(src.length());
switch (options & 11) {
case 0: {
int srcLength = src.length();
do {
int i = srcLength;
srcLength -= UTF16.getCharCount(UTF16.charAt(src, srcLength - 1));
dest.append(src.substring(srcLength, i));
} while (srcLength > 0);
break;
}
case 1: {
int srcLength = src.length();
do {
int c;
int i = srcLength;
while ((srcLength -= UTF16.getCharCount(c = UTF16.charAt(src, srcLength - 1))) > 0 && BidiWriter.IsCombining(UCharacter.getType(c))) {
}
dest.append(src.substring(srcLength, i));
} while (srcLength > 0);
break;
}
default: {
int srcLength = src.length();
do {
int i = srcLength;
int c = UTF16.charAt(src, srcLength - 1);
srcLength -= UTF16.getCharCount(c);
if ((options & 1) != 0) {
while (srcLength > 0 && BidiWriter.IsCombining(UCharacter.getType(c))) {
c = UTF16.charAt(src, srcLength - 1);
srcLength -= UTF16.getCharCount(c);
}
}
if ((options & 8) != 0 && Bidi.IsBidiControlChar(c)) continue;
int j = srcLength;
if ((options & 2) != 0) {
c = UCharacter.getMirror(c);
UTF16.append(dest, c);
j += UTF16.getCharCount(c);
}
dest.append(src.substring(j, i));
} while (srcLength > 0);
}
}
return dest.toString();
}
static String doWriteReverse(char[] text, int start, int limit, int options) {
return BidiWriter.writeReverse(new String(text, start, limit - start), options);
}
static String writeReordered(Bidi bidi, int options) {
char[] text = bidi.text;
int runCount = bidi.countRuns();
if ((bidi.reorderingOptions & 1) != 0) {
options |= 4;
options &= -9;
}
if ((bidi.reorderingOptions & 2) != 0) {
options |= 8;
options &= -5;
}
if (bidi.reorderingMode != 4 && bidi.reorderingMode != 5 && bidi.reorderingMode != 6 && bidi.reorderingMode != 3) {
options &= -5;
}
StringBuffer dest = new StringBuffer((options & 4) != 0 ? bidi.length * 2 : bidi.length);
if ((options & 16) == 0) {
if ((options & 4) == 0) {
for (int run = 0; run < runCount; ++run) {
BidiRun bidiRun = bidi.getVisualRun(run);
if (bidiRun.isEvenRun()) {
dest.append(BidiWriter.doWriteForward(text, bidiRun.start, bidiRun.limit, options & -3));
continue;
}
dest.append(BidiWriter.doWriteReverse(text, bidiRun.start, bidiRun.limit, options));
}
} else {
byte[] dirProps = bidi.dirProps;
for (int run = 0; run < runCount; ++run) {
char uc;
BidiRun bidiRun = bidi.getVisualRun(run);
int markFlag = 0;
markFlag = bidi.runs[run].insertRemove;
if (markFlag < 0) {
markFlag = 0;
}
if (bidiRun.isEvenRun()) {
if (bidi.isInverse() && dirProps[bidiRun.start] != 0) {
markFlag |= 1;
}
uc = (markFlag & 1) != 0 ? '\u200e' : ((markFlag & 4) != 0 ? '\u200f' : '\u0000');
if (uc != '\u0000') {
dest.append(uc);
}
dest.append(BidiWriter.doWriteForward(text, bidiRun.start, bidiRun.limit, options & -3));
if (bidi.isInverse() && dirProps[bidiRun.limit - 1] != 0) {
markFlag |= 2;
}
uc = (markFlag & 2) != 0 ? '\u200e' : ((markFlag & 8) != 0 ? '\u200f' : '\u0000');
if (uc == '\u0000') continue;
dest.append(uc);
continue;
}
if (bidi.isInverse() && !bidi.testDirPropFlagAt(8194, bidiRun.limit - 1)) {
markFlag |= 4;
}
uc = (markFlag & 1) != 0 ? '\u200e' : ((markFlag & 4) != 0 ? '\u200f' : '\u0000');
if (uc != '\u0000') {
dest.append(uc);
}
dest.append(BidiWriter.doWriteReverse(text, bidiRun.start, bidiRun.limit, options));
if (bidi.isInverse() && (8194 & Bidi.DirPropFlag(dirProps[bidiRun.start])) == 0) {
markFlag |= 8;
}
uc = (markFlag & 2) != 0 ? '\u200e' : ((markFlag & 8) != 0 ? '\u200f' : '\u0000');
if (uc == '\u0000') continue;
dest.append(uc);
}
}
} else if ((options & 4) == 0) {
int run = runCount;
while (--run >= 0) {
BidiRun bidiRun = bidi.getVisualRun(run);
if (bidiRun.isEvenRun()) {
dest.append(BidiWriter.doWriteReverse(text, bidiRun.start, bidiRun.limit, options & -3));
continue;
}
dest.append(BidiWriter.doWriteForward(text, bidiRun.start, bidiRun.limit, options));
}
} else {
byte[] dirProps = bidi.dirProps;
int run = runCount;
while (--run >= 0) {
BidiRun bidiRun = bidi.getVisualRun(run);
if (bidiRun.isEvenRun()) {
if (dirProps[bidiRun.limit - 1] != 0) {
dest.append('\u200e');
}
dest.append(BidiWriter.doWriteReverse(text, bidiRun.start, bidiRun.limit, options & -3));
if (dirProps[bidiRun.start] == 0) continue;
dest.append('\u200e');
continue;
}
if ((8194 & Bidi.DirPropFlag(dirProps[bidiRun.start])) == 0) {
dest.append('\u200f');
}
dest.append(BidiWriter.doWriteForward(text, bidiRun.start, bidiRun.limit, options));
if ((8194 & Bidi.DirPropFlag(dirProps[bidiRun.limit - 1])) != 0) continue;
dest.append('\u200f');
}
}
return dest.toString();
}
}