difflib.Delta类的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中difflib.Delta类的一些代码示例，展示了Delta类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Delta类的具体详情如下：
包路径：difflib.Delta
类名称：Delta

Delta介绍

[英]Describes the delta between original and revised texts.
[中]描述原始文本和修订文本之间的差值。

代码示例

代码示例来源：origin: ferstl/pedantic-pom-enforcers

  1. private static int getExpansionLength(Collection<Delta<String>> deltas) {
  2.  int length = 0;
  3.  for(Delta<?> delta : deltas) {
  4.   switch(delta.getType()) {
  5.    case INSERT:
  6.    case CHANGE:
  7.     int expansion = delta.getRevised().size() - delta.getOriginal().size();
  8.     length += (expansion > 0) ? expansion : 0;
  9.     break;
  10.    default: // NOP
  11.   }
  12.  }
  13.  return length;
  14. }

代码示例来源：origin: com.googlecode.java-diff-utils/diffutils

  1. /**
  2.  * Apply this patch to the given target
  3.  * @return the patched text
  4.  * @throws PatchFailedException if can't apply patch
  5.  */
  6. public List<T> applyTo(List<T> target) throws PatchFailedException {
  7.   List<T> result = new LinkedList<T>(target);
  8.   ListIterator<Delta<T>> it = getDeltas().listIterator(deltas.size());
  9.   while (it.hasPrevious()) {
  10.     Delta<T> delta = (Delta<T>) it.previous();
  11.     delta.applyTo(result);
  12.   }
  13.   return result;
  14. }

代码示例来源：origin: com.googlecode.java-diff-utils/diffutils

  1. /**
  2.  * Restore the text to original. Opposite to applyTo() method.
  3.  * @param target the given target
  4.  * @return the restored text
  5.  */
  6. public List<T> restore(List<T> target) {
  7.   List<T> result = new LinkedList<T>(target);
  8.   ListIterator<Delta<T>> it = getDeltas().listIterator(deltas.size());
  9.   while (it.hasPrevious()) {
  10.     Delta<T> delta = (Delta<T>) it.previous();
  11.     delta.restore(result);
  12.   }
  13.   return result;
  14. }

代码示例来源：origin: com.sqlapp/sqlapp-core

  1. private static StringBuilder getBuilder(Delta<?> delta) {
  2.   StringBuilder builder = new StringBuilder(256);
  3.   builder.append("@@ -");
  4.   builder.append(delta.getOriginal().getPosition());
  5.   builder.append(",");
  6.   builder.append(delta.getOriginal().last());
  7.   builder.append(" +");
  8.   builder.append(delta.getRevised().getPosition());
  9.   builder.append(",");
  10.   builder.append(delta.getRevised().last());
  11.   builder.append(" @@");
  12.   return builder;
  13. }

代码示例来源：origin: org.fitnesse/fitnesse

  1. @Override
  2. protected Chunk<Character> getChunk(final Delta<Character> d) {
  3.  return d.getOriginal();
  4. }

代码示例来源：origin: org.fitnesse/fitnesse

  1. @Override
  2. protected Chunk<Character> getChunk(final Delta<Character> d) {
  3.  return d.getRevised();
  4. }

代码示例来源：origin: dkpro/dkpro-jwpl

  1. /**
  2.  * Returns the deltas between beforeText and afterText as a line separated String
  3.  * using delta.toString()
  4.  * For more detailed diffs, use getPatch() or getUnifiedDiffStrings()
  5.  *
  6.  * @param difftype defines the type of diffs to include in the String
  7.  * @return diffs as line-separated String using delta.toString()
  8.  */
  9. public String getSimpleDiffString(TYPE difftype) {
  10.   StringBuilder deltas = new StringBuilder();
  11.   for(Delta delta:getPatch().getDeltas()){
  12.     if(delta.getType()==difftype){
  13.       deltas.append(delta.toString());
  14.       deltas.append(System.getProperty("line.separator"));
  15.     }
  16.   }
  17.   return deltas.toString();
  18. }

代码示例来源：origin: com.custardsource.dybdob/java-diff-utils-copy

  1. /**
  2.  * getDeltaText returns the lines to be added to the Unified Diff text from the Delta parameter
  3.  * @author Bill James (tankerbay@gmail.com)
  4.  * 
  5.  * @param delta - the Delta to output
  6.  * @return list of String lines of code.
  7.  */
  8. private static List<String> getDeltaText(Delta delta) {
  9.   List<String> buffer = new ArrayList<String>();
  10.   for (Object line : delta.getOriginal().getLines()) {
  11.     buffer.add("-" + line);
  12.   }
  13.   for (Object line : delta.getRevised().getLines()) {
  14.     buffer.add("+" + line);
  15.   }
  16.   return buffer;
  17. }

代码示例来源：origin: com.github.tcnh/fitnesse

  1. @Override
  2. protected Chunk<Character> getChunk(final Delta<Character> d) {
  3.  return d.getOriginal();
  4. }

代码示例来源：origin: com.github.tcnh/fitnesse

  1. @Override
  2. protected Chunk<Character> getChunk(final Delta<Character> d) {
  3.  return d.getRevised();
  4. }

代码示例来源：origin: dkpro/dkpro-jwpl

  1. /**
  2.  * Returns the deltas between beforeText and afterText as a line separated String.
  3.  * For more detailed diffs, use getPatch() or getUnifiedDiffStrings()
  4.  *
  5.  * @param diffType defines the type of diffs to include in the String
  6.  * @return diffs as line-separated String
  7.  */
  8. public String getLongDiffString(TYPE diffType) {
  9.   StringBuilder deltas = new StringBuilder();
  10.   for(Delta delta:getPatch().getDeltas()){
  11.     if(delta.getType()==diffType){
  12.       deltas.append("Original (Non-Neutral):");
  13.       deltas.append(System.getProperty("line.separator"));
  14.       deltas.append(delta.getOriginal());
  15.       deltas.append(System.getProperty("line.separator"));
  16.       deltas.append(System.getProperty("line.separator"));
  17.       deltas.append("Revised (Neutral):");
  18.       deltas.append(System.getProperty("line.separator"));
  19.       deltas.append(delta.getRevised());
  20.       deltas.append(System.getProperty("line.separator"));
  21.       deltas.append("*********************************************");
  22.       deltas.append(System.getProperty("line.separator"));
  23.     }
  24.   }
  25.   return deltas.toString();
  26. }

代码示例来源：origin: com.googlecode.java-diff-utils/diffutils

  1. /**
  2.  * getDeltaText returns the lines to be added to the Unified Diff text from
  3.  * the Delta parameter
  4.  * 
  5.  * @param delta
  6.  *            - the Delta to output
  7.  * @return list of String lines of code.
  8.  * @author Bill James (tankerbay@gmail.com)
  9.  */
  10. private static List<String> getDeltaText(Delta<String> delta) {
  11.   List<String> buffer = new ArrayList<String>();
  12.   for (String line : delta.getOriginal().getLines()) {
  13.     buffer.add("-" + line);
  14.   }
  15.   for (String line : delta.getRevised().getLines()) {
  16.     buffer.add("+" + line);
  17.   }
  18.   return buffer;
  19. }

代码示例来源：origin: com.googlecode.java-diff-utils/diffutils

  1. public int compare(final Delta<?> a, final Delta<?> b) {
  2.     final int posA = a.getOriginal().getPosition();
  3.     final int posB = b.getOriginal().getPosition();
  4.     if (posA > posB) {
  5.       return 1;
  6.     } else if (posA < posB) {
  7.       return -1;
  8.     }
  9.     return 0;
  10.   }
  11. }

代码示例来源：origin: com.custardsource.dybdob/java-diff-utils-copy

  1. /**
  2.  * Restore the text to original. Opposite to applyTo() method.
  3.  * @param target the given target
  4.  * @return the restored text
  5.  */
  6. public List<?> restore(List<?> target) {
  7.   List<Object> result = new LinkedList<Object>(target);
  8.   ListIterator<Delta> it = getDeltas().listIterator(deltas.size());
  9.   while (it.hasPrevious()) {
  10.     Delta delta = (Delta) it.previous();
  11.     delta.restore(result);
  12.   }
  13.   return result;
  14. }

代码示例来源：origin: com.custardsource.dybdob/java-diff-utils-copy

  1. /**
  2.  * Apply this patch to the given target
  3.  * @param target
  4.  * @return the patched text
  5.  * @throws PatchFailedException if can't apply patch
  6.  */
  7. public List<?> applyTo(List<?> target) throws PatchFailedException {
  8.   List<Object> result = new LinkedList<Object>(target);
  9.   ListIterator<Delta> it = getDeltas().listIterator(deltas.size());
  10.   while (it.hasPrevious()) {
  11.     Delta delta = (Delta) it.previous();
  12.     delta.applyTo(result);
  13.   }
  14.   return result;
  15. }

代码示例来源：origin: ru.lanwen.diff/uri-differ-lib

  1. @Override
  2. public FormattedDelta apply(Delta from) {
  3.   String original = on(delimiter).join(from.getOriginal().getLines());
  4.   String revised = on(delimiter).join(from.getRevised().getLines());
  5.   return new FormattedDelta(
  6.       wrap(from.getType(), original, revised),
  7.       from.getOriginal().getPosition(),
  8.       from.getOriginal().size(),
  9.       from.getType()
  10.   );
  11. }

代码示例来源：origin: com.sqlapp/sqlapp-core

  1. /**
  2.  * 差分をユニファイド形式の文字列にします。
  3.  * 
  4.  * @param delta
  5.  *            差分
  6.  * @return ユニファイド形式の文字列
  7.  */
  8. public static String toString(Delta<?> delta) {
  9.   if (delta == null) {
  10.     return "";
  11.   }
  12.   StringBuilder builder = getBuilder(delta);
  13.   if ((delta instanceof DeleteDelta) || (delta instanceof ChangeDelta)) {
  14.     for (Object obj : delta.getOriginal().getLines()) {
  15.       builder.append("\n");
  16.       builder.append("-");
  17.       builder.append(obj);
  18.     }
  19.   }
  20.   if ((delta instanceof InsertDelta) || (delta instanceof ChangeDelta)) {
  21.     for (Object obj : delta.getRevised().getLines()) {
  22.       builder.append("\n");
  23.       builder.append("+");
  24.       builder.append(obj);
  25.     }
  26.   }
  27.   return builder.toString();
  28. }

代码示例来源：origin: com.custardsource.dybdob/java-diff-utils-copy

  1. public int compare(Delta d1, Delta d2) {
  2.     if (d1.getOriginal().getPosition() > d2.getOriginal().getPosition()) {
  3.       return 1;
  4.     } else if (d1.getOriginal().getPosition() > d2.getOriginal().getPosition()) {
  5.       return -1;
  6.     } else {
  7.       return 0;
  8.     }
  9.   }
  10. });

代码示例来源：origin: dkpro/dkpro-jwpl

  1. /**
  2.  * Returns the deltas between beforeText and afterText as a line separated String.
  3.  * For more detailed diffs, use getPatch() or getUnifiedDiffStrings()
  4.  *
  5.  * @return diffs as line-separated String
  6.  */
  7. public String getLongDiffString() {
  8.   StringBuilder deltas = new StringBuilder();
  9.   for(Delta delta:getPatch().getDeltas()){
  10.     deltas.append("DeltaType: "+delta.getType().toString());
  11.     deltas.append(System.getProperty("line.separator"));
  12.     deltas.append("Original (Non-Neutral):");
  13.     deltas.append(System.getProperty("line.separator"));
  14.     deltas.append(delta.getOriginal());
  15.     deltas.append(System.getProperty("line.separator"));
  16.     deltas.append(System.getProperty("line.separator"));
  17.     deltas.append("Revised (Neutral):");
  18.     deltas.append(System.getProperty("line.separator"));
  19.     deltas.append(delta.getRevised());
  20.     deltas.append(System.getProperty("line.separator"));
  21.   }
  22.   return deltas.toString();
  23. }

代码示例来源：origin: com.qulice/qulice-xml

  1. /**
  2.    * Remove unwanted deltas.
  3.    * @param diff Patch to filter.
  4.    * @return Patch with unwanted deltas removed.
  5.    * @todo #469:30min Remove the method below and find a way to format tags
  6.    *  correctly in XML. Attributes should be indented by 4 spaces, just like
  7.    *  XML tags, but in IT xml-violations there is a tag that our Prettifier
  8.    *  want to be indented by 3 spaces which is wrong. Another problem is
  9.    *  that in the parent tag, attributes are indented to match the first
  10.    *  attribute, this is also wrong - all attributes on new line should be
  11.    *  indented by 4 spaces.
  12.    */
  13.   private static Patch filter(final Patch diff) {
  14.     final Patch patch = new Patch();
  15.     for (final Delta delta : diff.getDeltas()) {
  16.       final List<?> prev = delta.getOriginal().getLines();
  17.       if (
  18.         prev.size() != 1 || delta.getRevised().getLines().size() != 1
  19.           || !XmlValidator.ATTRS_PATTERN
  20.             .matcher(prev.get(0).toString()).matches()
  21.         ) {
  22.         patch.addDelta(delta);
  23.       }
  24.     }
  25.     return patch;
  26.   }
  27. }

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