Remove some unused methods from diff related code

Change-Id: Iea897a5ed10d44eddc47ae27e6f472369fcdc5be

gerrit-common/src/main/java/com/google/gerrit/common/data/PatchScript.java

@@ -16,7 +16,6 @@ package com.google.gerrit.common.data;
 
 import com.google.gerrit.extensions.client.DiffPreferencesInfo;
 import com.google.gerrit.extensions.client.DiffPreferencesInfo.Whitespace;
-import com.google.gerrit.prettify.common.EditList;
 import com.google.gerrit.prettify.common.SparseFileContent;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.Patch;
@@ -211,14 +210,6 @@ public class PatchScript {
     return edits;
   }
 
-  public Iterable<EditList.Hunk> getHunks() {
-    int ctx = diffPrefs.context;
-    if (ctx == DiffPreferencesInfo.WHOLE_FILE_CONTEXT) {
-      ctx = Math.max(a.size(), b.size());
-    }
-    return new EditList(edits, ctx, a.size(), b.size()).getHunks();
-  }
-
   public boolean isBinary() {
     return binary;
   }

gerrit-prettify/src/main/java/com/google/gerrit/prettify/common/SparseFileContent.java

@@ -16,13 +16,10 @@ package com.google.gerrit.prettify.common;
 
 import java.util.ArrayList;
 import java.util.List;
-import org.eclipse.jgit.diff.Edit;
 
 public class SparseFileContent {
-  protected String path;
   protected List<Range> ranges;
   protected int size;
-  protected boolean missingNewlineAtEnd;
 
   private transient int currentRangeIdx;
 
@@ -38,35 +35,6 @@ public class SparseFileContent {
     size = s;
   }
 
-  public boolean isMissingNewlineAtEnd() {
-    return missingNewlineAtEnd;
-  }
-
-  public void setMissingNewlineAtEnd(final boolean missing) {
-    missingNewlineAtEnd = missing;
-  }
-
-  public String getPath() {
-    return path;
-  }
-
-  public void setPath(String filePath) {
-    path = filePath;
-  }
-
-  public boolean isWholeFile() {
-    if (size == 0) {
-      return true;
-
-    } else if (1 == ranges.size()) {
-      Range r = ranges.get(0);
-      return r.base == 0 && r.end() == size;
-
-    } else {
-      return false;
-    }
-  }
-
   public String get(final int idx) {
     final String line = getLine(idx);
     if (line == null) {
@@ -138,17 +106,6 @@ public class SparseFileContent {
     return size();
   }
 
-  public int mapIndexToLine(int arrayIndex) {
-    final int origIndex = arrayIndex;
-    for (Range r : ranges) {
-      if (arrayIndex < r.lines.size()) {
-        return r.base + arrayIndex;
-      }
-      arrayIndex -= r.lines.size();
-    }
-    throw new ArrayIndexOutOfBoundsException(origIndex);
-  }
-
   private String getLine(final int idx) {
     // Most requests are sequential in nature, fetching the next
     // line from the current range, or the next range.
@@ -206,58 +163,6 @@ public class SparseFileContent {
     return ranges.get(ranges.size() - 1);
   }
 
-  public String asString() {
-    final StringBuilder b = new StringBuilder();
-    for (Range r : ranges) {
-      for (String l : r.lines) {
-        b.append(l);
-        b.append('\n');
-      }
-    }
-    if (0 < b.length() && isMissingNewlineAtEnd()) {
-      b.setLength(b.length() - 1);
-    }
-    return b.toString();
-  }
-
-  public SparseFileContent apply(SparseFileContent a, List<Edit> edits) {
-    EditList list = new EditList(edits, size, a.size(), size);
-    ArrayList<String> lines = new ArrayList<>(size);
-    for (final EditList.Hunk hunk : list.getHunks()) {
-      while (hunk.next()) {
-        if (hunk.isContextLine()) {
-          if (contains(hunk.getCurB())) {
-            lines.add(get(hunk.getCurB()));
-          } else {
-            lines.add(a.get(hunk.getCurA()));
-          }
-          hunk.incBoth();
-          continue;
-        }
-
-        if (hunk.isDeletedA()) {
-          hunk.incA();
-        }
-
-        if (hunk.isInsertedB()) {
-          lines.add(get(hunk.getCurB()));
-          hunk.incB();
-        }
-      }
-    }
-
-    Range range = new Range();
-    range.lines = lines;
-
-    SparseFileContent r = new SparseFileContent();
-    r.setSize(lines.size());
-    r.setMissingNewlineAtEnd(isMissingNewlineAtEnd());
-    r.setPath(getPath());
-    r.ranges.add(range);
-
-    return r;
-  }
-
   @Override
   public String toString() {
     final StringBuilder b = new StringBuilder();

gerrit-server/src/main/java/com/google/gerrit/server/patch/PatchScriptBuilder.java

@@ -534,11 +534,7 @@ class PatchScriptBuilder {
           }
         }
 
-        if (srcContent.length > 0 && srcContent[srcContent.length - 1] != '\n') {
-          dst.setMissingNewlineAtEnd(true);
-        }
         dst.setSize(size());
-        dst.setPath(path);
 
         if (mode == FileMode.SYMLINK) {
           fileMode = PatchScript.FileMode.SYMLINK;