Removed unused functions. Team, I switched from generatesInlineAreas() calls

to "instanceof InlineLevelLayoutManager", because AFAICT there is a 1-to-1 mapping
between the two.  If no one has problems with this, I will be removing
the generatesInlineAreas() implementations next.


git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@198736 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/fop/layoutmgr/AbstractLayoutManager.java

@@ -175,25 +175,6 @@ public abstract class AbstractLayoutManager implements LayoutManager, Constants
         return null;
     }
 
-    public KnuthElement addALetterSpaceTo(KnuthElement element) {
-        log.warn("null implementation of addALetterSpaceTo() called!");
-        return element;
-    }
-
-    public void getWordChars(StringBuffer sbChars, Position bp1,
-            Position bp2) {
-        log.warn("null implementation of getWordChars() called!");
-    }
-
-    public void hyphenate(Position pos, HyphContext hc) {
-        log.warn("null implementation of hyphenate called!");
-    }
-
-    public boolean applyChanges(List oldList) {
-        log.warn("null implementation of applyChanges() called!");
-        return false;
-    }
-
     public LinkedList getChangedKnuthElements(List oldList,
                                               /*int flaggedPenalty,*/
                                               int alignment) {

src/java/org/apache/fop/layoutmgr/BlockLayoutManager.java

@@ -125,7 +125,7 @@ public class BlockLayoutManager extends BlockStackingLayoutManager {
 
         while (proxyLMiter.hasNext()) {
             LayoutManager lm = (LayoutManager) proxyLMiter.next();
-            if (lm.generatesInlineAreas()) {
+            if (lm instanceof InlineLevelLayoutManager) {
                 LineLayoutManager lineLM = createLineManager(lm);
                 addChildLM(lineLM);
             } else {
@@ -151,7 +151,7 @@ public class BlockLayoutManager extends BlockStackingLayoutManager {
         inlines.add(firstlm);
         while (proxyLMiter.hasNext()) {
             LayoutManager lm = (LayoutManager) proxyLMiter.next();
-            if (lm.generatesInlineAreas()) {
+            if (lm instanceof InlineLevelLayoutManager) {
                 inlines.add(lm);
             } else {
                 proxyLMiter.previous();

src/java/org/apache/fop/layoutmgr/CharacterLayoutManager.java

@@ -166,24 +166,6 @@ public class CharacterLayoutManager extends LeafNodeLayoutManager {
             (((org.apache.fop.area.inline.Character) curArea).getChar());
     }
 
-    public KnuthElement addALetterSpaceTo(KnuthElement element) {
-        areaInfo.iLScount ++;
-        areaInfo.ipdArea.add(letterSpaceIPD);
-
-        if (letterSpaceIPD.min == letterSpaceIPD.max) {
-            // constant letter space, return a new box
-            return new KnuthInlineBox(areaInfo.ipdArea.opt, areaInfo.lead,
-                                areaInfo.total, areaInfo.middle,
-                                new LeafPosition(this, 0), false);
-        } else {
-            // adjustable letter space, return a new glue
-            return new KnuthGlue(letterSpaceIPD.opt,
-                                 letterSpaceIPD.max - letterSpaceIPD.opt,
-                                 letterSpaceIPD.opt - letterSpaceIPD.min,
-                                 new LeafPosition(this, -1), true);
-        }
-    }
-
     public void hyphenate(Position pos, HyphContext hc) {
         if (hc.getNextHyphPoint() == 1) {
             // the character ends a syllable

src/java/org/apache/fop/layoutmgr/ContentLayoutManager.java

@@ -218,10 +218,6 @@ public class ContentLayoutManager implements InlineLevelLayoutManager {
         //to be done
     }
 
-    /** @see org.apache.fop.layoutmgr.LayoutManager */
-    public void getWordChars(StringBuffer sbChars, Position bp1,
-            Position bp2) { }
-
     /**
      * @see org.apache.fop.layoutmgr.LayoutManager#createNextChildLMs
      */

src/java/org/apache/fop/layoutmgr/FlowLayoutManager.java

@@ -78,7 +78,7 @@ public class FlowLayoutManager extends BlockStackingLayoutManager
         LinkedList returnList = new LinkedList();
 
         while ((curLM = ((BlockLevelLayoutManager) getChildLM())) != null) {
-            if (curLM.generatesInlineAreas()) {
+            if (curLM instanceof InlineLevelLayoutManager) {
                 log.error("inline area not allowed under flow - ignoring");
                 curLM.setFinished(true);
                 continue;

src/java/org/apache/fop/layoutmgr/LayoutManager.java

@@ -65,18 +65,6 @@ public interface LayoutManager {
      */
     void resetPosition(Position position);
 
-    /**
-     * Get the word chars between two positions and
-     * append to the string buffer. The positions could
-     * span multiple layout managers.
-     *
-     * @param sbChars the string buffer to append the word chars
-     * @param bp1 the start position
-     * @param bp2 the end position
-     */
-    void getWordChars(StringBuffer sbChars, Position bp1,
-                             Position bp2);
-
     /**
      * Return a value indicating whether this LayoutManager has laid out
      * all its content (or generated BreakPossibilities for all content.)

src/java/org/apache/fop/layoutmgr/LayoutManagerMapping.java

@@ -219,7 +219,7 @@ public class LayoutManagerMapping implements LayoutManagerMaker {
                 super.make(node, childList);
                 for (int count = childList.size() - 1; count >= 0; count--) {
                     LayoutManager lm = (LayoutManager) childList.get(count);
-                    if (lm.generatesInlineAreas()) {
+                    if (lm instanceof InlineLevelLayoutManager) {
                         LayoutManager blm = new BidiLayoutManager
                             (node, (InlineLayoutManager) lm);
                         lms.add(blm);

src/java/org/apache/fop/layoutmgr/LeaderLayoutManager.java

@@ -281,14 +281,6 @@ public class LeaderLayoutManager extends LeafNodeLayoutManager {
         return returnList;
     }
 
-    public KnuthElement addALetterSpaceTo(KnuthElement element) {
-        // return the unchanged glue object
-        return new KnuthGlue(areaInfo.ipdArea.opt,
-                             areaInfo.ipdArea.max - areaInfo.ipdArea.opt,
-                             areaInfo.ipdArea.opt - areaInfo.ipdArea.min, 
-                             new LeafPosition(this, 0), false);
-    }
-
     public void hyphenate(Position pos, HyphContext hc) {
         // use the AbstractLayoutManager.hyphenate() null implementation
         super.hyphenate(pos, hc);

src/java/org/apache/fop/layoutmgr/LineLayoutManager.java

@@ -27,7 +27,6 @@ import org.apache.fop.hyphenation.Hyphenator;
 import org.apache.fop.area.LineArea;
 
 import java.util.ListIterator;
-import java.util.Iterator;
 import java.util.List;
 import java.util.ArrayList;
 import java.util.LinkedList;

src/java/org/apache/fop/layoutmgr/StaticContentLayoutManager.java

@@ -79,7 +79,7 @@ public class StaticContentLayoutManager extends BlockStackingLayoutManager {
         LinkedList returnList = new LinkedList();
 
         while ((curLM = ((BlockLevelLayoutManager) getChildLM())) != null) {
-            if (curLM.generatesInlineAreas()) {
+            if (curLM instanceof InlineLevelLayoutManager) {
                 log.error("inline area not allowed under flow - ignoring");
                 curLM.setFinished(true);
                 continue;

src/java/org/apache/fop/layoutmgr/TextLayoutManager.java

@@ -194,30 +194,6 @@ public class TextLayoutManager extends LeafNodeLayoutManager {
         return true;
     }
 
-    /**
-     * Get the word characters between two positions.
-     * This is used when doing hyphenation or other word manipulations.
-     *
-     * @param sbChars the string buffer to put the chars into
-     * @param bp1 the start position
-     * @param bp2 the end position
-     */
-    public void getWordChars(StringBuffer sbChars, Position bp1,
-                             Position bp2) {
-        LeafPosition endPos = (LeafPosition) bp2;
-        AreaInfo ai =
-          (AreaInfo) vecAreaInfo.get(endPos.getLeafPos());
-        // Skip all leading spaces for hyphenation
-        int i;
-        for (i = ai.iStartIndex;
-             i < ai.iBreakIndex
-                 && CharUtilities.isAnySpace(textArray[i]) == true;
-             i++) {
-            //nop
-        }
-        sbChars.append(new String(textArray, i, ai.iBreakIndex - i));
-    }
-
     /**
      * Reset position for returning next BreakPossibility.
      *