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优化

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pull/540/head
gedoor 4 years ago
parent f3917d9d5e
commit b4ef8e6f32
8 changed files with 215 additions and 114 deletions
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  1. 159
      app/src/main/java/io/legado/app/lib/icu4j/CharsetDetector.java
  2. 39
      app/src/main/java/io/legado/app/lib/icu4j/CharsetMatch.java
  3. 10
      app/src/main/java/io/legado/app/lib/icu4j/CharsetRecog_2022.java
  4. 6
      app/src/main/java/io/legado/app/lib/icu4j/CharsetRecog_UTF8.java
  5. 16
      app/src/main/java/io/legado/app/lib/icu4j/CharsetRecog_Unicode.java
  6. 32
      app/src/main/java/io/legado/app/lib/icu4j/CharsetRecog_mbcs.java
  7. 47
      app/src/main/java/io/legado/app/lib/icu4j/CharsetRecog_sbcs.java
  8. 14
      app/src/main/java/io/legado/app/lib/icu4j/CharsetRecognizer.java

159
app/src/main/java/io/legado/app/lib/icu4j/CharsetDetector.java
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@ -1,7 +1,8 @@
/* GENERATED SOURCE. DO NOT MODIFY. */ // © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/** /**
* ****************************************************************************** * ******************************************************************************
* Copyright (C) 2005-2014, International Business Machines Corporation and * * Copyright (C) 2005-2016, International Business Machines Corporation and *
* others. All Rights Reserved. * * others. All Rights Reserved. *
* ****************************************************************************** * ******************************************************************************
*/ */
@ -23,21 +24,21 @@ import java.util.List;
* The result of the detection operation is a list of possibly matching * The result of the detection operation is a list of possibly matching
* charsets, or, for simple use, you can just ask for a Java Reader that * charsets, or, for simple use, you can just ask for a Java Reader that
* will will work over the input data. * will will work over the input data.
* <p/> * <p>
* Character set detection is at best an imprecise operation. The detection * Character set detection is at best an imprecise operation. The detection
* process will attempt to identify the charset that best matches the characteristics * process will attempt to identify the charset that best matches the characteristics
* of the byte data, but the process is partly statistical in nature, and * of the byte data, but the process is partly statistical in nature, and
* the results can not be guaranteed to always be correct. * the results can not be guaranteed to always be correct.
* <p/> * <p>
* For best accuracy in charset detection, the input data should be primarily * For best accuracy in charset detection, the input data should be primarily
* in a single language, and a minimum of a few hundred bytes worth of plain text * in a single language, and a minimum of a few hundred bytes worth of plain text
* in the language are needed. The detection process will attempt to * in the language are needed. The detection process will attempt to
* ignore html or xml style markup that could otherwise obscure the content. * ignore html or xml style markup that could otherwise obscure the content.
* <p/> * <p>
* *
* @stable ICU 3.4 * @stable ICU 3.4
* @hide All android.icu classes are currently hidden
*/ */
@SuppressWarnings({"JavaDoc", "unused", "RedundantSuppression"})
public class CharsetDetector { public class CharsetDetector {
// Question: Should we have getters corresponding to the setters for input text // Question: Should we have getters corresponding to the setters for input text
@ -51,7 +52,7 @@ public class CharsetDetector {
// wants the data, and doesn't care about a char set name. // wants the data, and doesn't care about a char set name.
/** /**
* Constructor * Constructor
* *
* @stable ICU 3.4 * @stable ICU 3.4
*/ */
@ -60,17 +61,18 @@ public class CharsetDetector {
/** /**
* Set the declared encoding for charset detection. * Set the declared encoding for charset detection.
* The declared encoding of an input text is an encoding obtained * The declared encoding of an input text is an encoding obtained
* from an http header or xml declaration or similar source that * from an http header or xml declaration or similar source that
* can be provided as additional information to the charset detector. * can be provided as additional information to the charset detector.
* A match between a declared encoding and a possible detected encoding * A match between a declared encoding and a possible detected encoding
* will raise the quality of that detected encoding by a small delta, * will raise the quality of that detected encoding by a small delta,
* and will also appear as a "reason" for the match. * and will also appear as a "reason" for the match.
* <p/> * <p>
* A declared encoding that is incompatible with the input data being * A declared encoding that is incompatible with the input data being
* analyzed will not be added to the list of possible encodings. * analyzed will not be added to the list of possible encodings.
* *
* @param encoding The declared encoding * @param encoding The declared encoding
*
* @stable ICU 3.4 * @stable ICU 3.4
*/ */
public CharsetDetector setDeclaredEncoding(String encoding) { public CharsetDetector setDeclaredEncoding(String encoding) {
@ -82,7 +84,9 @@ public class CharsetDetector {
* Set the input text (byte) data whose charset is to be detected. * Set the input text (byte) data whose charset is to be detected.
* *
* @param in the input text of unknown encoding * @param in the input text of unknown encoding
*
* @return This CharsetDetector * @return This CharsetDetector
*
* @stable ICU 3.4 * @stable ICU 3.4
*/ */
public CharsetDetector setText(byte[] in) { public CharsetDetector setText(byte[] in) {
@ -96,15 +100,17 @@ public class CharsetDetector {
/** /**
* Set the input text (byte) data whose charset is to be detected. * Set the input text (byte) data whose charset is to be detected.
* <p/> * <p>
* The input stream that supplies the character data must have markSupported() * The input stream that supplies the character data must have markSupported()
* == true; the charset detection process will read a small amount of data, * == true; the charset detection process will read a small amount of data,
* then return the stream to its original position via * then return the stream to its original position via
* the InputStream.reset() operation. The exact amount that will * the InputStream.reset() operation. The exact amount that will
* be read depends on the characteristics of the data itself. * be read depends on the characteristics of the data itself.
* *
* @param in the input text of unknown encoding * @param in the input text of unknown encoding
*
* @return This CharsetDetector * @return This CharsetDetector
*
* @stable ICU 3.4 * @stable ICU 3.4
*/ */
@ -133,20 +139,21 @@ public class CharsetDetector {
/** /**
* Return the charset that best matches the supplied input data. * Return the charset that best matches the supplied input data.
* <p> *
* Note though, that because the detection * Note though, that because the detection
* only looks at the start of the input data, * only looks at the start of the input data,
* there is a possibility that the returned charset will fail to handle * there is a possibility that the returned charset will fail to handle
* the full set of input data. * the full set of input data.
* p/> * <p>
* aise an exception if * Raise an exception if
* <ul> * <ul>
* <li>no charset appears to match the data.</li> * <li>no charset appears to match the data.</li>
* <li>no input text has been provided</li> * <li>no input text has been provided</li>
* </ul> * </ul>
* *
* @return a CharsetMatch object representing the best matching charset, or * @return a CharsetMatch object representing the best matching charset, or
* <code>null</code> if there are no matches. * <code>null</code> if there are no matches.
*
* @stable ICU 3.4 * @stable ICU 3.4
*/ */
public CharsetMatch detect() { public CharsetMatch detect() {
@ -154,7 +161,7 @@ public class CharsetDetector {
// detectAll(), and cut it short as soon as a match with a high confidence // detectAll(), and cut it short as soon as a match with a high confidence
// is found. This is something to be done later, after things are otherwise // is found. This is something to be done later, after things are otherwise
// working. // working.
CharsetMatch matches[] = detectAll(); CharsetMatch[] matches = detectAll();
if (matches == null || matches.length == 0) { if (matches == null || matches.length == 0) {
return null; return null;
@ -164,21 +171,22 @@ public class CharsetDetector {
} }
/** /**
* Return an array of all charsets that appear to be plausible * Return an array of all charsets that appear to be plausible
* matches with the input data. The array is ordered with the * matches with the input data. The array is ordered with the
* best quality match first. * best quality match first.
* <p/> * <p>
* aise an exception if * Raise an exception if
* <ul> * <ul>
* <li>no charsets appear to match the input data.</li> * <li>no charsets appear to match the input data.</li>
* <li>no input text has been provided</li> * <li>no input text has been provided</li>
* </ul> * </ul>
* *
* @return An array of CharsetMatch objects representing possibly matching charsets. * @return An array of CharsetMatch objects representing possibly matching charsets.
*
* @stable ICU 3.4 * @stable ICU 3.4
*/ */
public CharsetMatch[] detectAll() { public CharsetMatch[] detectAll() {
ArrayList<CharsetMatch> matches = new ArrayList<CharsetMatch>(); ArrayList<CharsetMatch> matches = new ArrayList<>();
MungeInput(); // Strip html markup, collect byte stats. MungeInput(); // Strip html markup, collect byte stats.
@ -205,21 +213,23 @@ public class CharsetDetector {
/** /**
* Autodetect the charset of an inputStream, and return a Java Reader * Autodetect the charset of an inputStream, and return a Java Reader
* to access the converted input data. * to access the converted input data.
* <p/> * <p>
* This is a convenience method that is equivalent to * This is a convenience method that is equivalent to
* <code>this.setDeclaredEncoding(declaredEncoding).setText(in).detect().getReader();</code> * <code>this.setDeclaredEncoding(declaredEncoding).setText(in).detect().getReader();</code>
* <p/> * <p>
* For the input stream that supplies the character data, markSupported() * For the input stream that supplies the character data, markSupported()
* must be true; the charset detection will read a small amount of data, * must be true; the charset detection will read a small amount of data,
* then return the stream to its original position via * then return the stream to its original position via
* the InputStream.reset() operation. The exact amount that will * the InputStream.reset() operation. The exact amount that will
* be read depends on the characteristics of the data itself. * be read depends on the characteristics of the data itself.
* <p/> *<p>
* Raise an exception if no charsets appear to match the input data. * Raise an exception if no charsets appear to match the input data.
* *
* @param in The source of the byte data in the unknown charset. * @param in The source of the byte data in the unknown charset.
* @param declaredEncoding A declared encoding for the data, if available, *
* or null or an empty string if none is available. * @param declaredEncoding A declared encoding for the data, if available,
* or null or an empty string if none is available.
*
* @stable ICU 3.4 * @stable ICU 3.4
*/ */
public Reader getReader(InputStream in, String declaredEncoding) { public Reader getReader(InputStream in, String declaredEncoding) {
@ -243,15 +253,17 @@ public class CharsetDetector {
/** /**
* Autodetect the charset of an inputStream, and return a String * Autodetect the charset of an inputStream, and return a String
* containing the converted input data. * containing the converted input data.
* <p/> * <p>
* This is a convenience method that is equivalent to * This is a convenience method that is equivalent to
* <code>this.setDeclaredEncoding(declaredEncoding).setText(in).detect().getString();</code> * <code>this.setDeclaredEncoding(declaredEncoding).setText(in).detect().getString();</code>
* <p/> *<p>
* Raise an exception if no charsets appear to match the input data. * Raise an exception if no charsets appear to match the input data.
* *
* @param in The source of the byte data in the unknown charset. * @param in The source of the byte data in the unknown charset.
* @param declaredEncoding A declared encoding for the data, if available, *
* or null or an empty string if none is available. * @param declaredEncoding A declared encoding for the data, if available,
* or null or an empty string if none is available.
*
* @stable ICU 3.4 * @stable ICU 3.4
*/ */
public String getString(byte[] in, String declaredEncoding) { public String getString(byte[] in, String declaredEncoding) {
@ -285,6 +297,7 @@ public class CharsetDetector {
* *
* @return an array of the names of all charsets supported by * @return an array of the names of all charsets supported by
* <code>CharsetDetector</code> class. * <code>CharsetDetector</code> class.
*
* @stable ICU 3.4 * @stable ICU 3.4
*/ */
public static String[] getAllDetectableCharsets() { public static String[] getAllDetectableCharsets() {
@ -299,8 +312,10 @@ public class CharsetDetector {
* Test whether or not input filtering is enabled. * Test whether or not input filtering is enabled.
* *
* @return <code>true</code> if input text will be filtered. * @return <code>true</code> if input text will be filtered.
* @stable ICU 3.4 *
* @see #enableInputFilter * @see #enableInputFilter
*
* @stable ICU 3.4
*/ */
public boolean inputFilterEnabled() { public boolean inputFilterEnabled() {
return fStripTags; return fStripTags;
@ -308,11 +323,13 @@ public class CharsetDetector {
/** /**
* Enable filtering of input text. If filtering is enabled, * Enable filtering of input text. If filtering is enabled,
* text within angle brackets ("<" and ">") will be removed * text within angle brackets ("&lt;" and "&gt;") will be removed
* before detection. * before detection.
* *
* @param filter <code>true</code> to enable input text filtering. * @param filter <code>true</code> to enable input text filtering.
*
* @return The previous setting. * @return The previous setting.
*
* @stable ICU 3.4 * @stable ICU 3.4
*/ */
public boolean enableInputFilter(boolean filter) { public boolean enableInputFilter(boolean filter) {
@ -412,7 +429,7 @@ public class CharsetDetector {
int fInputLen; // Length of the byte data in fInputBytes. int fInputLen; // Length of the byte data in fInputBytes.
short fByteStats[] = // byte frequency statistics for the input text. short[] fByteStats = // byte frequency statistics for the input text.
new short[256]; // Value is percent, not absolute. new short[256]; // Value is percent, not absolute.
// Value is rounded up, so zero really means zero occurences. // Value is rounded up, so zero really means zero occurences.
@ -457,7 +474,7 @@ public class CharsetDetector {
private static final List<CSRecognizerInfo> ALL_CS_RECOGNIZERS; private static final List<CSRecognizerInfo> ALL_CS_RECOGNIZERS;
static { static {
List<CSRecognizerInfo> list = new ArrayList<CSRecognizerInfo>(); List<CSRecognizerInfo> list = new ArrayList<>();
list.add(new CSRecognizerInfo(new CharsetRecog_UTF8(), true)); list.add(new CSRecognizerInfo(new CharsetRecog_UTF8(), true));
list.add(new CSRecognizerInfo(new CharsetRecog_Unicode.CharsetRecog_UTF_16_BE(), true)); list.add(new CSRecognizerInfo(new CharsetRecog_Unicode.CharsetRecog_UTF_16_BE(), true));
@ -500,13 +517,13 @@ public class CharsetDetector {
* *
* @return an array of the names of charsets that can be recognized by this CharsetDetector * @return an array of the names of charsets that can be recognized by this CharsetDetector
* instance. * instance.
* <p> *
* {@literal @}internal * @internal
* @deprecated This API is ICU internal only. * @deprecated This API is ICU internal only.
*/ */
@Deprecated @Deprecated
public String[] getDetectableCharsets() { public String[] getDetectableCharsets() {
List<String> csnames = new ArrayList<String>(ALL_CS_RECOGNIZERS.size()); List<String> csnames = new ArrayList<>(ALL_CS_RECOGNIZERS.size());
for (int i = 0; i < ALL_CS_RECOGNIZERS.size(); i++) { for (int i = 0; i < ALL_CS_RECOGNIZERS.size(); i++) {
CSRecognizerInfo rcinfo = ALL_CS_RECOGNIZERS.get(i); CSRecognizerInfo rcinfo = ALL_CS_RECOGNIZERS.get(i);
boolean active = (fEnabledRecognizers == null) ? rcinfo.isDefaultEnabled : fEnabledRecognizers[i]; boolean active = (fEnabledRecognizers == null) ? rcinfo.isDefaultEnabled : fEnabledRecognizers[i];
@ -514,7 +531,7 @@ public class CharsetDetector {
csnames.add(rcinfo.recognizer.getName()); csnames.add(rcinfo.recognizer.getName());
} }
} }
return csnames.toArray(new String[csnames.size()]); return csnames.toArray(new String[0]);
} }
/** /**
@ -523,13 +540,13 @@ public class CharsetDetector {
* {@link #getAllDetectableCharsets()}. * {@link #getAllDetectableCharsets()}.
* *
* @param encoding the name of charset encoding. * @param encoding the name of charset encoding.
* @param enabled <code>true</code> to enable, or <code>false</code> to disable the * @param enabled <code>true</code> to enable, or <code>false</code> to disable the
* charset encoding. * charset encoding.
* @return A reference to this <code>CharsetDetector</code>. * @return A reference to this <code>CharsetDetector</code>.
* @throws IllegalArgumentException when the name of charset encoding is * @throws IllegalArgumentException when the name of charset encoding is
* not supported. * not supported.
* <p> *
* {@literal @}internal * @internal
* @deprecated This API is ICU internal only. * @deprecated This API is ICU internal only.
*/ */
@Deprecated @Deprecated

39
app/src/main/java/io/legado/app/lib/icu4j/CharsetMatch.java
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@ -1,7 +1,8 @@
/* GENERATED SOURCE. DO NOT MODIFY. */ // © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/** /**
* ****************************************************************************** * ******************************************************************************
* Copyright (C) 2005-2012, International Business Machines Corporation and * * Copyright (C) 2005-2016, International Business Machines Corporation and *
* others. All Rights Reserved. * * others. All Rights Reserved. *
* ****************************************************************************** * ******************************************************************************
*/ */
@ -19,28 +20,29 @@ import java.io.Reader;
* as a possible encoding for a set of input data. From an instance of this * as a possible encoding for a set of input data. From an instance of this
* class, you can ask for a confidence level in the charset identification, * class, you can ask for a confidence level in the charset identification,
* or for Java Reader or String to access the original byte data in Unicode form. * or for Java Reader or String to access the original byte data in Unicode form.
* <p/> * <p>
* Instances of this class are created only by CharsetDetectors. * Instances of this class are created only by CharsetDetectors.
* <p/> * <p>
* Note: this class has a natural ordering that is inconsistent with equals. * Note: this class has a natural ordering that is inconsistent with equals.
* The natural ordering is based on the match confidence value. * The natural ordering is based on the match confidence value.
* *
* @stable ICU 3.4 * @stable ICU 3.4
* @hide All android.icu classes are currently hidden
*/ */
@SuppressWarnings({"JavaDoc", "unused"})
public class CharsetMatch implements Comparable<CharsetMatch> { public class CharsetMatch implements Comparable<CharsetMatch> {
/** /**
* Create a java.io.Reader for reading the Unicode character data corresponding * Create a java.io.Reader for reading the Unicode character data corresponding
* to the original byte data supplied to the Charset detect operation. * to the original byte data supplied to the Charset detect operation.
* <p/> * <p>
* CAUTION: if the source of the byte data was an InputStream, a Reader * CAUTION: if the source of the byte data was an InputStream, a Reader
* can be created for only one matching char set using this method. If more * can be created for only one matching char set using this method. If more
* than one charset needs to be tried, the caller will need to reset * than one charset needs to be tried, the caller will need to reset
* the InputStream and create InputStreamReaders itself, based on the charset name. * the InputStream and create InputStreamReaders itself, based on the charset name.
* *
* @return the Reader for the Unicode character data. * @return the Reader for the Unicode character data.
*
* @stable ICU 3.4 * @stable ICU 3.4
*/ */
public Reader getReader() { public Reader getReader() {
@ -63,9 +65,10 @@ public class CharsetMatch implements Comparable<CharsetMatch> {
* to the original byte data supplied to the Charset detect operation. * to the original byte data supplied to the Charset detect operation.
* *
* @return a String created from the converted input data. * @return a String created from the converted input data.
*
* @stable ICU 3.4 * @stable ICU 3.4
*/ */
public String getString() throws IOException { public String getString() throws java.io.IOException {
return getString(-1); return getString(-1);
} }
@ -81,9 +84,10 @@ public class CharsetMatch implements Comparable<CharsetMatch> {
* source of the data is an input stream, or -1 for * source of the data is an input stream, or -1 for
* unlimited length. * unlimited length.
* @return a String created from the converted input data. * @return a String created from the converted input data.
*
* @stable ICU 3.4 * @stable ICU 3.4
*/ */
public String getString(int maxLength) throws IOException { public String getString(int maxLength) throws java.io.IOException {
String result = null; String result = null;
if (fInputStream != null) { if (fInputStream != null) {
StringBuilder sb = new StringBuilder(); StringBuilder sb = new StringBuilder();
@ -107,7 +111,7 @@ public class CharsetMatch implements Comparable<CharsetMatch> {
* be used to open a charset (e.g. IBM424_rtl). The ending '_rtl' or 'ltr' * be used to open a charset (e.g. IBM424_rtl). The ending '_rtl' or 'ltr'
* should be stripped off before creating the string. * should be stripped off before creating the string.
*/ */
int startSuffix = name.indexOf("_rtl") < 0 ? name.indexOf("_ltr") : name.indexOf("_rtl"); int startSuffix = !name.contains("_rtl") ? name.indexOf("_ltr") : name.indexOf("_rtl");
if (startSuffix > 0) { if (startSuffix > 0) {
name = name.substring(0, startSuffix); name = name.substring(0, startSuffix);
} }
@ -124,6 +128,7 @@ public class CharsetMatch implements Comparable<CharsetMatch> {
* charset. * charset.
* *
* @return the confidence in the charset match * @return the confidence in the charset match
*
* @stable ICU 3.4 * @stable ICU 3.4
*/ */
public int getConfidence() { public int getConfidence() {
@ -138,10 +143,12 @@ public class CharsetMatch implements Comparable<CharsetMatch> {
* charsets that are registered with the IANA charset registry, * charsets that are registered with the IANA charset registry,
* this is the MIME-preferred registerd name. * this is the MIME-preferred registerd name.
* *
* @see java.nio.charset.Charset
* @see java.io.InputStreamReader
*
* @return The name of the charset. * @return The name of the charset.
*
* @stable ICU 3.4 * @stable ICU 3.4
* @see java.nio.charset.Charset
* @see InputStreamReader
*/ */
public String getName() { public String getName() {
return fCharsetName; return fCharsetName;
@ -151,6 +158,7 @@ public class CharsetMatch implements Comparable<CharsetMatch> {
* Get the ISO code for the language of the detected charset. * Get the ISO code for the language of the detected charset.
* *
* @return The ISO code for the language or <code>null</code> if the language cannot be determined. * @return The ISO code for the language or <code>null</code> if the language cannot be determined.
*
* @stable ICU 3.4 * @stable ICU 3.4
*/ */
public String getLanguage() { public String getLanguage() {
@ -160,16 +168,17 @@ public class CharsetMatch implements Comparable<CharsetMatch> {
/** /**
* Compare to other CharsetMatch objects. * Compare to other CharsetMatch objects.
* Comparison is based on the match confidence value, which * Comparison is based on the match confidence value, which
* allows CharsetDetector.detectAll() to order its results. * allows CharsetDetector.detectAll() to order its results.
* *
* @param other the CharsetMatch object to compare against. * @param other the CharsetMatch object to compare against.
* @return a negative integer, zero, or a positive integer as the * @return a negative integer, zero, or a positive integer as the
* confidence level of this CharsetMatch * confidence level of this CharsetMatch
* is less than, equal to, or greater than that of * is less than, equal to, or greater than that of
* the argument. * the argument.
* @throws ClassCastException if the argument is not a CharsetMatch. * @throws ClassCastException if the argument is not a CharsetMatch.
* @stable ICU 4.4 * @stable ICU 4.4
*/ */
@Override
public int compareTo(CharsetMatch other) { public int compareTo(CharsetMatch other) {
int compareResult = 0; int compareResult = 0;
if (this.fConfidence > other.fConfidence) { if (this.fConfidence > other.fConfidence) {

10
app/src/main/java/io/legado/app/lib/icu4j/CharsetRecog_2022.java
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@ -1,4 +1,5 @@
/* GENERATED SOURCE. DO NOT MODIFY. */ // © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/* /*
******************************************************************************* *******************************************************************************
* Copyright (C) 2005 - 2012, International Business Machines Corporation and * * Copyright (C) 2005 - 2012, International Business Machines Corporation and *
@ -7,7 +8,6 @@
*/ */
package io.legado.app.lib.icu4j; package io.legado.app.lib.icu4j;
/** /**
* class CharsetRecog_2022 part of the ICU charset detection imlementation. * class CharsetRecog_2022 part of the ICU charset detection imlementation.
* This is a superclass for the individual detectors for * This is a superclass for the individual detectors for
@ -110,10 +110,12 @@ abstract class CharsetRecog_2022 extends CharsetRecognizer {
{0x1b, 0x2e, 0x46} // ISO 8859-7 {0x1b, 0x2e, 0x46} // ISO 8859-7
}; };
@Override
String getName() { String getName() {
return "ISO-2022-JP"; return "ISO-2022-JP";
} }
@Override
CharsetMatch match(CharsetDetector det) { CharsetMatch match(CharsetDetector det) {
int confidence = match(det.fInputBytes, det.fInputLen, escapeSequences); int confidence = match(det.fInputBytes, det.fInputLen, escapeSequences);
return confidence == 0 ? null : new CharsetMatch(det, this, confidence); return confidence == 0 ? null : new CharsetMatch(det, this, confidence);
@ -125,10 +127,12 @@ abstract class CharsetRecog_2022 extends CharsetRecognizer {
{0x1b, 0x24, 0x29, 0x43} {0x1b, 0x24, 0x29, 0x43}
}; };
@Override
String getName() { String getName() {
return "ISO-2022-KR"; return "ISO-2022-KR";
} }
@Override
CharsetMatch match(CharsetDetector det) { CharsetMatch match(CharsetDetector det) {
int confidence = match(det.fInputBytes, det.fInputLen, escapeSequences); int confidence = match(det.fInputBytes, det.fInputLen, escapeSequences);
return confidence == 0 ? null : new CharsetMatch(det, this, confidence); return confidence == 0 ? null : new CharsetMatch(det, this, confidence);
@ -150,10 +154,12 @@ abstract class CharsetRecog_2022 extends CharsetRecognizer {
{0x1b, 0x4f}, // SS3 {0x1b, 0x4f}, // SS3
}; };
@Override
String getName() { String getName() {
return "ISO-2022-CN"; return "ISO-2022-CN";
} }
@Override
CharsetMatch match(CharsetDetector det) { CharsetMatch match(CharsetDetector det) {
int confidence = match(det.fInputBytes, det.fInputLen, escapeSequences); int confidence = match(det.fInputBytes, det.fInputLen, escapeSequences);
return confidence == 0 ? null : new CharsetMatch(det, this, confidence); return confidence == 0 ? null : new CharsetMatch(det, this, confidence);

6
app/src/main/java/io/legado/app/lib/icu4j/CharsetRecog_UTF8.java
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@ -1,4 +1,5 @@
/* GENERATED SOURCE. DO NOT MODIFY. */ // © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/** /**
* ****************************************************************************** * ******************************************************************************
* Copyright (C) 2005 - 2014, International Business Machines Corporation and * * Copyright (C) 2005 - 2014, International Business Machines Corporation and *
@ -7,12 +8,12 @@
*/ */
package io.legado.app.lib.icu4j; package io.legado.app.lib.icu4j;
/** /**
* Charset recognizer for UTF-8 * Charset recognizer for UTF-8
*/ */
class CharsetRecog_UTF8 extends CharsetRecognizer { class CharsetRecog_UTF8 extends CharsetRecognizer {
@Override
String getName() { String getName() {
return "UTF-8"; return "UTF-8";
} }
@ -20,6 +21,7 @@ class CharsetRecog_UTF8 extends CharsetRecognizer {
/* (non-Javadoc) /* (non-Javadoc)
* @see com.ibm.icu.text.CharsetRecognizer#match(com.ibm.icu.text.CharsetDetector) * @see com.ibm.icu.text.CharsetRecognizer#match(com.ibm.icu.text.CharsetDetector)
*/ */
@Override
CharsetMatch match(CharsetDetector det) { CharsetMatch match(CharsetDetector det) {
boolean hasBOM = false; boolean hasBOM = false;
int numValid = 0; int numValid = 0;

16
app/src/main/java/io/legado/app/lib/icu4j/CharsetRecog_Unicode.java
Unescape View File

@ -1,4 +1,5 @@
/* GENERATED SOURCE. DO NOT MODIFY. */ // © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/* /*
******************************************************************************* *******************************************************************************
* Copyright (C) 1996-2013, International Business Machines Corporation and * * Copyright (C) 1996-2013, International Business Machines Corporation and *
@ -9,7 +10,6 @@
package io.legado.app.lib.icu4j; package io.legado.app.lib.icu4j;
/** /**
* This class matches UTF-16 and UTF-32, both big- and little-endian. The * This class matches UTF-16 and UTF-32, both big- and little-endian. The
* BOM will be used if it is present. * BOM will be used if it is present.
@ -19,11 +19,13 @@ abstract class CharsetRecog_Unicode extends CharsetRecognizer {
/* (non-Javadoc) /* (non-Javadoc)
* @see com.ibm.icu.text.CharsetRecognizer#getName() * @see com.ibm.icu.text.CharsetRecognizer#getName()
*/ */
@Override
abstract String getName(); abstract String getName();
/* (non-Javadoc) /* (non-Javadoc)
* @see com.ibm.icu.text.CharsetRecognizer#match(com.ibm.icu.text.CharsetDetector) * @see com.ibm.icu.text.CharsetRecognizer#match(com.ibm.icu.text.CharsetDetector)
*/ */
@Override
abstract CharsetMatch match(CharsetDetector det); abstract CharsetMatch match(CharsetDetector det);
static int codeUnit16FromBytes(byte hi, byte lo) { static int codeUnit16FromBytes(byte hi, byte lo) {
@ -50,10 +52,12 @@ abstract class CharsetRecog_Unicode extends CharsetRecognizer {
} }
static class CharsetRecog_UTF_16_BE extends CharsetRecog_Unicode { static class CharsetRecog_UTF_16_BE extends CharsetRecog_Unicode {
@Override
String getName() { String getName() {
return "UTF-16BE"; return "UTF-16BE";
} }
@Override
CharsetMatch match(CharsetDetector det) { CharsetMatch match(CharsetDetector det) {
byte[] input = det.fRawInput; byte[] input = det.fRawInput;
int confidence = 10; int confidence = 10;
@ -81,10 +85,12 @@ abstract class CharsetRecog_Unicode extends CharsetRecognizer {
} }
static class CharsetRecog_UTF_16_LE extends CharsetRecog_Unicode { static class CharsetRecog_UTF_16_LE extends CharsetRecog_Unicode {
@Override
String getName() { String getName() {
return "UTF-16LE"; return "UTF-16LE";
} }
@Override
CharsetMatch match(CharsetDetector det) { CharsetMatch match(CharsetDetector det) {
byte[] input = det.fRawInput; byte[] input = det.fRawInput;
int confidence = 10; int confidence = 10;
@ -114,8 +120,10 @@ abstract class CharsetRecog_Unicode extends CharsetRecognizer {
static abstract class CharsetRecog_UTF_32 extends CharsetRecog_Unicode { static abstract class CharsetRecog_UTF_32 extends CharsetRecog_Unicode {
abstract int getChar(byte[] input, int index); abstract int getChar(byte[] input, int index);
@Override
abstract String getName(); abstract String getName();
@Override
CharsetMatch match(CharsetDetector det) { CharsetMatch match(CharsetDetector det) {
byte[] input = det.fRawInput; byte[] input = det.fRawInput;
int limit = (det.fRawLength / 4) * 4; int limit = (det.fRawLength / 4) * 4;
@ -162,11 +170,13 @@ abstract class CharsetRecog_Unicode extends CharsetRecognizer {
} }
static class CharsetRecog_UTF_32_BE extends CharsetRecog_UTF_32 { static class CharsetRecog_UTF_32_BE extends CharsetRecog_UTF_32 {
@Override
int getChar(byte[] input, int index) { int getChar(byte[] input, int index) {
return (input[index + 0] & 0xFF) << 24 | (input[index + 1] & 0xFF) << 16 | return (input[index + 0] & 0xFF) << 24 | (input[index + 1] & 0xFF) << 16 |
(input[index + 2] & 0xFF) << 8 | (input[index + 3] & 0xFF); (input[index + 2] & 0xFF) << 8 | (input[index + 3] & 0xFF);
} }
@Override
String getName() { String getName() {
return "UTF-32BE"; return "UTF-32BE";
} }
@ -174,11 +184,13 @@ abstract class CharsetRecog_Unicode extends CharsetRecognizer {
static class CharsetRecog_UTF_32_LE extends CharsetRecog_UTF_32 { static class CharsetRecog_UTF_32_LE extends CharsetRecog_UTF_32 {
@Override
int getChar(byte[] input, int index) { int getChar(byte[] input, int index) {
return (input[index + 3] & 0xFF) << 24 | (input[index + 2] & 0xFF) << 16 | return (input[index + 3] & 0xFF) << 24 | (input[index + 2] & 0xFF) << 16 |
(input[index + 1] & 0xFF) << 8 | (input[index + 0] & 0xFF); (input[index + 1] & 0xFF) << 8 | (input[index + 0] & 0xFF);
} }
@Override
String getName() { String getName() {
return "UTF-32LE"; return "UTF-32LE";
} }

32
app/src/main/java/io/legado/app/lib/icu4j/CharsetRecog_mbcs.java
Unescape View File

@ -1,4 +1,5 @@
/* GENERATED SOURCE. DO NOT MODIFY. */ // © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/* /*
**************************************************************************** ****************************************************************************
* Copyright (C) 2005-2012, International Business Machines Corporation and * * Copyright (C) 2005-2012, International Business Machines Corporation and *
@ -8,7 +9,6 @@
*/ */
package io.legado.app.lib.icu4j; package io.legado.app.lib.icu4j;
import java.util.Arrays; import java.util.Arrays;
/** /**
@ -30,6 +30,7 @@ abstract class CharsetRecog_mbcs extends CharsetRecognizer {
* *
* @return the charset name. * @return the charset name.
*/ */
@Override
abstract String getName(); abstract String getName();
@ -142,14 +143,12 @@ abstract class CharsetRecog_mbcs extends CharsetRecognizer {
// //
static class iteratedChar { static class iteratedChar {
int charValue = 0; // 1-4 bytes from the raw input data int charValue = 0; // 1-4 bytes from the raw input data
int index = 0;
int nextIndex = 0; int nextIndex = 0;
boolean error = false; boolean error = false;
boolean done = false; boolean done = false;
void reset() { void reset() {
charValue = 0; charValue = 0;
index = -1;
nextIndex = 0; nextIndex = 0;
error = false; error = false;
done = false; done = false;
@ -160,7 +159,7 @@ abstract class CharsetRecog_mbcs extends CharsetRecognizer {
done = true; done = true;
return -1; return -1;
} }
int byteValue = (int) det.fRawInput[nextIndex++] & 0x00ff; int byteValue = det.fRawInput[nextIndex++] & 0x00ff;
return byteValue; return byteValue;
} }
} }
@ -196,8 +195,8 @@ abstract class CharsetRecog_mbcs extends CharsetRecognizer {
0x8343, 0x834e, 0x834f, 0x8358, 0x835e, 0x8362, 0x8367, 0x8375, 0x8376, 0x8389, 0x8343, 0x834e, 0x834f, 0x8358, 0x835e, 0x8362, 0x8367, 0x8375, 0x8376, 0x8389,
0x838a, 0x838b, 0x838d, 0x8393, 0x8e96, 0x93fa, 0x95aa}; 0x838a, 0x838b, 0x838d, 0x8393, 0x8e96, 0x93fa, 0x95aa};
@Override
boolean nextChar(iteratedChar it, CharsetDetector det) { boolean nextChar(iteratedChar it, CharsetDetector det) {
it.index = it.nextIndex;
it.error = false; it.error = false;
int firstByte; int firstByte;
firstByte = it.charValue = it.nextByte(det); firstByte = it.charValue = it.nextByte(det);
@ -221,15 +220,18 @@ abstract class CharsetRecog_mbcs extends CharsetRecognizer {
return true; return true;
} }
@Override
CharsetMatch match(CharsetDetector det) { CharsetMatch match(CharsetDetector det) {
int confidence = match(det, commonChars); int confidence = match(det, commonChars);
return confidence == 0 ? null : new CharsetMatch(det, this, confidence); return confidence == 0 ? null : new CharsetMatch(det, this, confidence);
} }
@Override
String getName() { String getName() {
return "Shift_JIS"; return "Shift_JIS";
} }
@Override
public String getLanguage() { public String getLanguage() {
return "ja"; return "ja";
} }
@ -257,8 +259,8 @@ abstract class CharsetRecog_mbcs extends CharsetRecognizer {
0xb5a5, 0xb5bd, 0xb5d0, 0xb5d8, 0xb671, 0xb7ed, 0xb867, 0xb944, 0xbad8, 0xbb44, 0xb5a5, 0xb5bd, 0xb5d0, 0xb5d8, 0xb671, 0xb7ed, 0xb867, 0xb944, 0xbad8, 0xbb44,
0xbba1, 0xbdd1, 0xc2c4, 0xc3b9, 0xc440, 0xc45f}; 0xbba1, 0xbdd1, 0xc2c4, 0xc3b9, 0xc440, 0xc45f};
@Override
boolean nextChar(iteratedChar it, CharsetDetector det) { boolean nextChar(iteratedChar it, CharsetDetector det) {
it.index = it.nextIndex;
it.error = false; it.error = false;
int firstByte; int firstByte;
firstByte = it.charValue = it.nextByte(det); firstByte = it.charValue = it.nextByte(det);
@ -285,16 +287,19 @@ abstract class CharsetRecog_mbcs extends CharsetRecognizer {
return true; return true;
} }
@Override
CharsetMatch match(CharsetDetector det) { CharsetMatch match(CharsetDetector det) {
int confidence = match(det, commonChars); int confidence = match(det, commonChars);
return confidence == 0 ? null : new CharsetMatch(det, this, confidence); return confidence == 0 ? null : new CharsetMatch(det, this, confidence);
} }
@Override
String getName() { String getName() {
return "Big5"; return "Big5";
} }
@Override
public String getLanguage() { public String getLanguage() {
return "zh"; return "zh";
} }
@ -314,8 +319,8 @@ abstract class CharsetRecog_mbcs extends CharsetRecognizer {
* Character "value" is simply the raw bytes that make up the character * Character "value" is simply the raw bytes that make up the character
* packed into an int. * packed into an int.
*/ */
@Override
boolean nextChar(iteratedChar it, CharsetDetector det) { boolean nextChar(iteratedChar it, CharsetDetector det) {
it.index = it.nextIndex;
it.error = false; it.error = false;
int firstByte = 0; int firstByte = 0;
int secondByte = 0; int secondByte = 0;
@ -392,15 +397,18 @@ abstract class CharsetRecog_mbcs extends CharsetRecognizer {
0xa5e5, 0xa5e9, 0xa5ea, 0xa5eb, 0xa5ec, 0xa5ed, 0xa5f3, 0xb8a9, 0xb9d4, 0xbaee, 0xa5e5, 0xa5e9, 0xa5ea, 0xa5eb, 0xa5ec, 0xa5ed, 0xa5f3, 0xb8a9, 0xb9d4, 0xbaee,
0xbbc8, 0xbef0, 0xbfb7, 0xc4ea, 0xc6fc, 0xc7bd, 0xcab8, 0xcaf3, 0xcbdc, 0xcdd1}; 0xbbc8, 0xbef0, 0xbfb7, 0xc4ea, 0xc6fc, 0xc7bd, 0xcab8, 0xcaf3, 0xcbdc, 0xcdd1};
@Override
String getName() { String getName() {
return "EUC-JP"; return "EUC-JP";
} }
@Override
CharsetMatch match(CharsetDetector det) { CharsetMatch match(CharsetDetector det) {
int confidence = match(det, commonChars); int confidence = match(det, commonChars);
return confidence == 0 ? null : new CharsetMatch(det, this, confidence); return confidence == 0 ? null : new CharsetMatch(det, this, confidence);
} }
@Override
public String getLanguage() { public String getLanguage() {
return "ja"; return "ja";
} }
@ -426,15 +434,18 @@ abstract class CharsetRecog_mbcs extends CharsetRecognizer {
0xc0da, 0xc0e5, 0xc0fb, 0xc0fc, 0xc1a4, 0xc1a6, 0xc1b6, 0xc1d6, 0xc1df, 0xc1f6, 0xc0da, 0xc0e5, 0xc0fb, 0xc0fc, 0xc1a4, 0xc1a6, 0xc1b6, 0xc1d6, 0xc1df, 0xc1f6,
0xc1f8, 0xc4a1, 0xc5cd, 0xc6ae, 0xc7cf, 0xc7d1, 0xc7d2, 0xc7d8, 0xc7e5, 0xc8ad}; 0xc1f8, 0xc4a1, 0xc5cd, 0xc6ae, 0xc7cf, 0xc7d1, 0xc7d2, 0xc7d8, 0xc7e5, 0xc8ad};
@Override
String getName() { String getName() {
return "EUC-KR"; return "EUC-KR";
} }
@Override
CharsetMatch match(CharsetDetector det) { CharsetMatch match(CharsetDetector det) {
int confidence = match(det, commonChars); int confidence = match(det, commonChars);
return confidence == 0 ? null : new CharsetMatch(det, this, confidence); return confidence == 0 ? null : new CharsetMatch(det, this, confidence);
} }
@Override
public String getLanguage() { public String getLanguage() {
return "ko"; return "ko";
} }
@ -452,8 +463,8 @@ abstract class CharsetRecog_mbcs extends CharsetRecognizer {
* Character "value" is simply the raw bytes that make up the character * Character "value" is simply the raw bytes that make up the character
* packed into an int. * packed into an int.
*/ */
@Override
boolean nextChar(iteratedChar it, CharsetDetector det) { boolean nextChar(iteratedChar it, CharsetDetector det) {
it.index = it.nextIndex;
it.error = false; it.error = false;
int firstByte = 0; int firstByte = 0;
int secondByte = 0; int secondByte = 0;
@ -522,15 +533,18 @@ abstract class CharsetRecog_mbcs extends CharsetRecognizer {
0xd2b5, 0xd2bb, 0xd2d4, 0xd3c3, 0xd3d0, 0xd3fd, 0xd4c2, 0xd4da, 0xd5e2, 0xd6d0}; 0xd2b5, 0xd2bb, 0xd2d4, 0xd3c3, 0xd3d0, 0xd3fd, 0xd4c2, 0xd4da, 0xd5e2, 0xd6d0};
@Override
String getName() { String getName() {
return "GB18030"; return "GB18030";
} }
@Override
CharsetMatch match(CharsetDetector det) { CharsetMatch match(CharsetDetector det) {
int confidence = match(det, commonChars); int confidence = match(det, commonChars);
return confidence == 0 ? null : new CharsetMatch(det, this, confidence); return confidence == 0 ? null : new CharsetMatch(det, this, confidence);
} }
@Override
public String getLanguage() { public String getLanguage() {
return "zh"; return "zh";
} }

47
app/src/main/java/io/legado/app/lib/icu4j/CharsetRecog_sbcs.java
Unescape View File

@ -1,4 +1,5 @@
/* GENERATED SOURCE. DO NOT MODIFY. */ // © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/* /*
**************************************************************************** ****************************************************************************
* Copyright (C) 2005-2013, International Business Machines Corporation and * * Copyright (C) 2005-2013, International Business Machines Corporation and *
@ -9,7 +10,6 @@
package io.legado.app.lib.icu4j; package io.legado.app.lib.icu4j;
/** /**
* This class recognizes single-byte encodings. Because the encoding scheme is so * This class recognizes single-byte encodings. Because the encoding scheme is so
* simple, language statistics are used to do the matching. * simple, language statistics are used to do the matching.
@ -19,6 +19,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
/* (non-Javadoc) /* (non-Javadoc)
* @see com.ibm.icu.text.CharsetRecognizer#getName() * @see com.ibm.icu.text.CharsetRecognizer#getName()
*/ */
@Override
abstract String getName(); abstract String getName();
static class NGramParser { static class NGramParser {
@ -219,6 +220,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
return next; return next;
} }
@Override
protected void parseCharacters(CharsetDetector det) { protected void parseCharacters(CharsetDetector det) {
int b; int b;
boolean ignoreSpace = false; boolean ignoreSpace = false;
@ -406,6 +408,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
}; };
@Override
public CharsetMatch match(CharsetDetector det) { public CharsetMatch match(CharsetDetector det) {
String name = det.fC1Bytes ? "windows-1252" : "ISO-8859-1"; String name = det.fC1Bytes ? "windows-1252" : "ISO-8859-1";
int bestConfidenceSoFar = -1; int bestConfidenceSoFar = -1;
@ -421,6 +424,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
} }
@Override
public String getName() { public String getName() {
return "ISO-8859-1"; return "ISO-8859-1";
} }
@ -498,6 +502,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
}) })
}; };
@Override
public CharsetMatch match(CharsetDetector det) { public CharsetMatch match(CharsetDetector det) {
String name = det.fC1Bytes ? "windows-1250" : "ISO-8859-2"; String name = det.fC1Bytes ? "windows-1250" : "ISO-8859-2";
int bestConfidenceSoFar = -1; int bestConfidenceSoFar = -1;
@ -512,6 +517,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
return bestConfidenceSoFar <= 0 ? null : new CharsetMatch(det, this, bestConfidenceSoFar, name, lang); return bestConfidenceSoFar <= 0 ? null : new CharsetMatch(det, this, bestConfidenceSoFar, name, lang);
} }
@Override
public String getName() { public String getName() {
return "ISO-8859-2"; return "ISO-8859-2";
} }
@ -555,6 +561,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
(byte) 0xF8, (byte) 0xF9, (byte) 0xFA, (byte) 0xFB, (byte) 0xFC, (byte) 0x20, (byte) 0xFE, (byte) 0xFF, (byte) 0xF8, (byte) 0xF9, (byte) 0xFA, (byte) 0xFB, (byte) 0xFC, (byte) 0x20, (byte) 0xFE, (byte) 0xFF,
}; };
@Override
public String getName() { public String getName() {
return "ISO-8859-5"; return "ISO-8859-5";
} }
@ -568,10 +575,12 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
0xDFDEDB, 0xDFE0D5, 0xDFE0D8, 0xDFE0DE, 0xE0D0D2, 0xE0D5D4, 0xE1E2D0, 0xE1E2D2, 0xE1E2D8, 0xE1EF20, 0xE2D5DB, 0xE2DE20, 0xE2DEE0, 0xE2EC20, 0xE7E2DE, 0xEBE520, 0xDFDEDB, 0xDFE0D5, 0xDFE0D8, 0xDFE0DE, 0xE0D0D2, 0xE0D5D4, 0xE1E2D0, 0xE1E2D2, 0xE1E2D8, 0xE1EF20, 0xE2D5DB, 0xE2DE20, 0xE2DEE0, 0xE2EC20, 0xE7E2DE, 0xEBE520,
}; };
@Override
public String getLanguage() { public String getLanguage() {
return "ru"; return "ru";
} }
@Override
public CharsetMatch match(CharsetDetector det) { public CharsetMatch match(CharsetDetector det) {
int confidence = match(det, ngrams, byteMap); int confidence = match(det, ngrams, byteMap);
return confidence == 0 ? null : new CharsetMatch(det, this, confidence); return confidence == 0 ? null : new CharsetMatch(det, this, confidence);
@ -614,6 +623,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
(byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20,
}; };
@Override
public String getName() { public String getName() {
return "ISO-8859-6"; return "ISO-8859-6";
} }
@ -627,10 +637,12 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
0xE520C7, 0xE5C720, 0xE5C920, 0xE5E620, 0xE620C7, 0xE720C7, 0xE7C720, 0xE8C7E4, 0xE8E620, 0xE920C7, 0xEA20C7, 0xEA20E5, 0xEA20E8, 0xEAC920, 0xEAD120, 0xEAE620, 0xE520C7, 0xE5C720, 0xE5C920, 0xE5E620, 0xE620C7, 0xE720C7, 0xE7C720, 0xE8C7E4, 0xE8E620, 0xE920C7, 0xEA20C7, 0xEA20E5, 0xEA20E8, 0xEAC920, 0xEAD120, 0xEAE620,
}; };
@Override
public String getLanguage() { public String getLanguage() {
return "ar"; return "ar";
} }
@Override
public CharsetMatch match(CharsetDetector det) { public CharsetMatch match(CharsetDetector det) {
int confidence = match(det, ngrams, byteMap); int confidence = match(det, ngrams, byteMap);
return confidence == 0 ? null : new CharsetMatch(det, this, confidence); return confidence == 0 ? null : new CharsetMatch(det, this, confidence);
@ -673,6 +685,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
(byte) 0xF8, (byte) 0xF9, (byte) 0xFA, (byte) 0xFB, (byte) 0xFC, (byte) 0xFD, (byte) 0xFE, (byte) 0x20, (byte) 0xF8, (byte) 0xF9, (byte) 0xFA, (byte) 0xFB, (byte) 0xFC, (byte) 0xFD, (byte) 0xFE, (byte) 0x20,
}; };
@Override
public String getName() { public String getName() {
return "ISO-8859-7"; return "ISO-8859-7";
} }
@ -686,10 +699,12 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
0xF220EA, 0xF220F0, 0xF220F4, 0xF3E520, 0xF3E720, 0xF3F4EF, 0xF4E120, 0xF4E1E9, 0xF4E7ED, 0xF4E7F2, 0xF4E9EA, 0xF4EF20, 0xF4EFF5, 0xF4F9ED, 0xF9ED20, 0xFEED20, 0xF220EA, 0xF220F0, 0xF220F4, 0xF3E520, 0xF3E720, 0xF3F4EF, 0xF4E120, 0xF4E1E9, 0xF4E7ED, 0xF4E7F2, 0xF4E9EA, 0xF4EF20, 0xF4EFF5, 0xF4F9ED, 0xF9ED20, 0xFEED20,
}; };
@Override
public String getLanguage() { public String getLanguage() {
return "el"; return "el";
} }
@Override
public CharsetMatch match(CharsetDetector det) { public CharsetMatch match(CharsetDetector det) {
String name = det.fC1Bytes ? "windows-1253" : "ISO-8859-7"; String name = det.fC1Bytes ? "windows-1253" : "ISO-8859-7";
int confidence = match(det, ngrams, byteMap); int confidence = match(det, ngrams, byteMap);
@ -733,6 +748,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
(byte) 0xF8, (byte) 0xF9, (byte) 0xFA, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0xF8, (byte) 0xF9, (byte) 0xFA, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20,
}; };
@Override
public String getName() { public String getName() {
return "ISO-8859-8"; return "ISO-8859-8";
} }
@ -746,14 +762,17 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
0xED20F9, 0xEEE420, 0xEF20E4, 0xF0E420, 0xF0E920, 0xF0E9ED, 0xF2EC20, 0xF820E4, 0xF8E9ED, 0xF9EC20, 0xFA20E0, 0xFA20E1, 0xFA20E4, 0xFA20EC, 0xFA20EE, 0xFA20F9, 0xED20F9, 0xEEE420, 0xEF20E4, 0xF0E420, 0xF0E920, 0xF0E9ED, 0xF2EC20, 0xF820E4, 0xF8E9ED, 0xF9EC20, 0xFA20E0, 0xFA20E1, 0xFA20E4, 0xFA20EC, 0xFA20EE, 0xFA20F9,
}; };
@Override
public String getName() { public String getName() {
return "ISO-8859-8-I"; return "ISO-8859-8-I";
} }
@Override
public String getLanguage() { public String getLanguage() {
return "he"; return "he";
} }
@Override
public CharsetMatch match(CharsetDetector det) { public CharsetMatch match(CharsetDetector det) {
String name = det.fC1Bytes ? "windows-1255" : "ISO-8859-8-I"; String name = det.fC1Bytes ? "windows-1255" : "ISO-8859-8-I";
int confidence = match(det, ngrams, byteMap); int confidence = match(det, ngrams, byteMap);
@ -769,10 +788,12 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
0xEDE9E9, 0xEDE9F0, 0xEDE9F8, 0xEE20E4, 0xEE20ED, 0xEE20FA, 0xEEE120, 0xEEE420, 0xF2E420, 0xF920E4, 0xF920ED, 0xF920FA, 0xF9E420, 0xFAE020, 0xFAE420, 0xFAE5E9, 0xEDE9E9, 0xEDE9F0, 0xEDE9F8, 0xEE20E4, 0xEE20ED, 0xEE20FA, 0xEEE120, 0xEEE420, 0xF2E420, 0xF920E4, 0xF920ED, 0xF920FA, 0xF9E420, 0xFAE020, 0xFAE420, 0xFAE5E9,
}; };
@Override
public String getLanguage() { public String getLanguage() {
return "he"; return "he";
} }
@Override
public CharsetMatch match(CharsetDetector det) { public CharsetMatch match(CharsetDetector det) {
String name = det.fC1Bytes ? "windows-1255" : "ISO-8859-8"; String name = det.fC1Bytes ? "windows-1255" : "ISO-8859-8";
int confidence = match(det, ngrams, byteMap); int confidence = match(det, ngrams, byteMap);
@ -817,6 +838,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
(byte) 0xF8, (byte) 0xF9, (byte) 0xFA, (byte) 0xFB, (byte) 0xFC, (byte) 0xFD, (byte) 0xFE, (byte) 0xFF, (byte) 0xF8, (byte) 0xF9, (byte) 0xFA, (byte) 0xFB, (byte) 0xFC, (byte) 0xFD, (byte) 0xFE, (byte) 0xFF,
}; };
@Override
public String getName() { public String getName() {
return "ISO-8859-9"; return "ISO-8859-9";
} }
@ -830,10 +852,12 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
0x6E206B, 0x6E6461, 0x6E6465, 0x6E6520, 0x6E6920, 0x6E696E, 0x6EFD20, 0x72696E, 0x72FD6E, 0x766520, 0x796120, 0x796F72, 0xFD6E20, 0xFD6E64, 0xFD6EFD, 0xFDF0FD, 0x6E206B, 0x6E6461, 0x6E6465, 0x6E6520, 0x6E6920, 0x6E696E, 0x6EFD20, 0x72696E, 0x72FD6E, 0x766520, 0x796120, 0x796F72, 0xFD6E20, 0xFD6E64, 0xFD6EFD, 0xFDF0FD,
}; };
@Override
public String getLanguage() { public String getLanguage() {
return "tr"; return "tr";
} }
@Override
public CharsetMatch match(CharsetDetector det) { public CharsetMatch match(CharsetDetector det) {
String name = det.fC1Bytes ? "windows-1254" : "ISO-8859-9"; String name = det.fC1Bytes ? "windows-1254" : "ISO-8859-9";
int confidence = match(det, ngrams, byteMap); int confidence = match(det, ngrams, byteMap);
@ -884,14 +908,17 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
(byte) 0xF8, (byte) 0xF9, (byte) 0xFA, (byte) 0xFB, (byte) 0xFC, (byte) 0xFD, (byte) 0xFE, (byte) 0xFF, (byte) 0xF8, (byte) 0xF9, (byte) 0xFA, (byte) 0xFB, (byte) 0xFC, (byte) 0xFD, (byte) 0xFE, (byte) 0xFF,
}; };
@Override
public String getName() { public String getName() {
return "windows-1251"; return "windows-1251";
} }
@Override
public String getLanguage() { public String getLanguage() {
return "ru"; return "ru";
} }
@Override
public CharsetMatch match(CharsetDetector det) { public CharsetMatch match(CharsetDetector det) {
int confidence = match(det, ngrams, byteMap); int confidence = match(det, ngrams, byteMap);
return confidence == 0 ? null : new CharsetMatch(det, this, confidence); return confidence == 0 ? null : new CharsetMatch(det, this, confidence);
@ -941,14 +968,17 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
(byte) 0x20, (byte) 0xF9, (byte) 0x20, (byte) 0xFB, (byte) 0xFC, (byte) 0x20, (byte) 0x20, (byte) 0xFF, (byte) 0x20, (byte) 0xF9, (byte) 0x20, (byte) 0xFB, (byte) 0xFC, (byte) 0x20, (byte) 0x20, (byte) 0xFF,
}; };
@Override
public String getName() { public String getName() {
return "windows-1256"; return "windows-1256";
} }
@Override
public String getLanguage() { public String getLanguage() {
return "ar"; return "ar";
} }
@Override
public CharsetMatch match(CharsetDetector det) { public CharsetMatch match(CharsetDetector det) {
int confidence = match(det, ngrams, byteMap); int confidence = match(det, ngrams, byteMap);
return confidence == 0 ? null : new CharsetMatch(det, this, confidence); return confidence == 0 ? null : new CharsetMatch(det, this, confidence);
@ -998,14 +1028,17 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
(byte) 0xD8, (byte) 0xD9, (byte) 0xDA, (byte) 0xDB, (byte) 0xDC, (byte) 0xDD, (byte) 0xDE, (byte) 0xDF, (byte) 0xD8, (byte) 0xD9, (byte) 0xDA, (byte) 0xDB, (byte) 0xDC, (byte) 0xDD, (byte) 0xDE, (byte) 0xDF,
}; };
@Override
public String getName() { public String getName() {
return "KOI8-R"; return "KOI8-R";
} }
@Override
public String getLanguage() { public String getLanguage() {
return "ru"; return "ru";
} }
@Override
public CharsetMatch match(CharsetDetector det) { public CharsetMatch match(CharsetDetector det) {
int confidence = match(det, ngrams, byteMap); int confidence = match(det, ngrams, byteMap);
return confidence == 0 ? null : new CharsetMatch(det, this, confidence); return confidence == 0 ? null : new CharsetMatch(det, this, confidence);
@ -1033,12 +1066,14 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
/* F- */ (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, /* F- */ (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40, (byte) 0x40,
}; };
@Override
public String getLanguage() { public String getLanguage() {
return "he"; return "he";
} }
} }
static class CharsetRecog_IBM424_he_rtl extends CharsetRecog_IBM424_he { static class CharsetRecog_IBM424_he_rtl extends CharsetRecog_IBM424_he {
@Override
public String getName() { public String getName() {
return "IBM424_rtl"; return "IBM424_rtl";
} }
@ -1050,6 +1085,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
0x554069, 0x564540, 0x574045, 0x584540, 0x585140, 0x585155, 0x625440, 0x684045, 0x685155, 0x695440, 0x714041, 0x714042, 0x714045, 0x714054, 0x714056, 0x714069, 0x554069, 0x564540, 0x574045, 0x584540, 0x585140, 0x585155, 0x625440, 0x684045, 0x685155, 0x695440, 0x714041, 0x714042, 0x714045, 0x714054, 0x714056, 0x714069,
}; };
@Override
public CharsetMatch match(CharsetDetector det) { public CharsetMatch match(CharsetDetector det) {
int confidence = match(det, ngrams, byteMap, (byte) 0x40); int confidence = match(det, ngrams, byteMap, (byte) 0x40);
return confidence == 0 ? null : new CharsetMatch(det, this, confidence); return confidence == 0 ? null : new CharsetMatch(det, this, confidence);
@ -1057,6 +1093,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
} }
static class CharsetRecog_IBM424_he_ltr extends CharsetRecog_IBM424_he { static class CharsetRecog_IBM424_he_ltr extends CharsetRecog_IBM424_he {
@Override
public String getName() { public String getName() {
return "IBM424_ltr"; return "IBM424_ltr";
} }
@ -1069,6 +1106,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
}; };
@Override
public CharsetMatch match(CharsetDetector det) { public CharsetMatch match(CharsetDetector det) {
int confidence = match(det, ngrams, byteMap, (byte) 0x40); int confidence = match(det, ngrams, byteMap, (byte) 0x40);
return confidence == 0 ? null : new CharsetMatch(det, this, confidence); return confidence == 0 ? null : new CharsetMatch(det, this, confidence);
@ -1098,6 +1136,7 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
}; };
@Override
public String getLanguage() { public String getLanguage() {
return "ar"; return "ar";
} }
@ -1112,10 +1151,12 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
0xBB4056, 0xBB5640, 0xBB6240, 0xBBBD40, 0xBD4056, 0xBF4056, 0xBF5640, 0xCF56B1, 0xCFBD40, 0xDA4056, 0xDC4056, 0xDC40BB, 0xDC40CF, 0xDC6240, 0xDC7540, 0xDCBD40, 0xBB4056, 0xBB5640, 0xBB6240, 0xBBBD40, 0xBD4056, 0xBF4056, 0xBF5640, 0xCF56B1, 0xCFBD40, 0xDA4056, 0xDC4056, 0xDC40BB, 0xDC40CF, 0xDC6240, 0xDC7540, 0xDCBD40,
}; };
@Override
public String getName() { public String getName() {
return "IBM420_rtl"; return "IBM420_rtl";
} }
@Override
public CharsetMatch match(CharsetDetector det) { public CharsetMatch match(CharsetDetector det) {
int confidence = matchIBM420(det, ngrams, byteMap, (byte) 0x40); int confidence = matchIBM420(det, ngrams, byteMap, (byte) 0x40);
return confidence == 0 ? null : new CharsetMatch(det, this, confidence); return confidence == 0 ? null : new CharsetMatch(det, this, confidence);
@ -1131,10 +1172,12 @@ abstract class CharsetRecog_sbcs extends CharsetRecognizer {
0xB14062, 0xB15640, 0xB156CF, 0xB19A40, 0xB1B140, 0xBB4062, 0xBB40DC, 0xBBB156, 0xBD5640, 0xBDBB40, 0xCF4062, 0xCF40DC, 0xCFB156, 0xDAB19A, 0xDCAB40, 0xDCB156 0xB14062, 0xB15640, 0xB156CF, 0xB19A40, 0xB1B140, 0xBB4062, 0xBB40DC, 0xBBB156, 0xBD5640, 0xBDBB40, 0xCF4062, 0xCF40DC, 0xCFB156, 0xDAB19A, 0xDCAB40, 0xDCB156
}; };
@Override
public String getName() { public String getName() {
return "IBM420_ltr"; return "IBM420_ltr";
} }
@Override
public CharsetMatch match(CharsetDetector det) { public CharsetMatch match(CharsetDetector det) {
int confidence = matchIBM420(det, ngrams, byteMap, (byte) 0x40); int confidence = matchIBM420(det, ngrams, byteMap, (byte) 0x40);
return confidence == 0 ? null : new CharsetMatch(det, this, confidence); return confidence == 0 ? null : new CharsetMatch(det, this, confidence);

14
app/src/main/java/io/legado/app/lib/icu4j/CharsetRecognizer.java
Unescape View File

@ -1,4 +1,5 @@
/* GENERATED SOURCE. DO NOT MODIFY. */ // © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/** /**
* ****************************************************************************** * ******************************************************************************
* Copyright (C) 2005-2012, International Business Machines Corporation and * * Copyright (C) 2005-2012, International Business Machines Corporation and *
@ -7,7 +8,6 @@
*/ */
package io.legado.app.lib.icu4j; package io.legado.app.lib.icu4j;
/** /**
* Abstract class for recognizing a single charset. * Abstract class for recognizing a single charset.
* Part of the implementation of ICU's CharsetDetector. * Part of the implementation of ICU's CharsetDetector.
@ -25,14 +25,12 @@ package io.legado.app.lib.icu4j;
abstract class CharsetRecognizer { abstract class CharsetRecognizer {
/** /**
* Get the IANA name of this charset. * Get the IANA name of this charset.
*
* @return the charset name. * @return the charset name.
*/ */
abstract String getName(); abstract String getName();
/** /**
* Get the ISO language code for this charset. * Get the ISO language code for this charset.
*
* @return the language code, or <code>null</code> if the language cannot be determined. * @return the language code, or <code>null</code> if the language cannot be determined.
*/ */
public String getLanguage() { public String getLanguage() {
@ -41,12 +39,12 @@ abstract class CharsetRecognizer {
/** /**
* Test the match of this charset with the input text data * Test the match of this charset with the input text data
* which is obtained via the CharsetDetector object. * which is obtained via the CharsetDetector object.
* *
* @param det The CharsetDetector, which contains the input text * @param det The CharsetDetector, which contains the input text
* to be checked for being in this charset. * to be checked for being in this charset.
* @return A CharsetMatch object containing details of match * @return A CharsetMatch object containing details of match
* with this charset, or null if there was no match. * with this charset, or null if there was no match.
*/ */
abstract CharsetMatch match(CharsetDetector det); abstract CharsetMatch match(CharsetDetector det);

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