REPORT-23453 html切割时，丢失<br> 标签

fine-itext/src/com/fr/third/v2/lowagie/text/pdf/PdfChunk.java

@@ -88,6 +88,12 @@ public class PdfChunk {
 
     private static final float FONT_SCALE = 100f;
 
+    private static final String BREAK = "\n";
+
+    private static final String BREAK_TAG = "<br>";
+
+    private boolean breakTag = false;
+
     public float getHeight() {
         return height;
     }
@@ -135,16 +141,16 @@ public class PdfChunk {
         keysNoStroke.put(Chunk.TEXTRENDERMODE, null);
 
     }
-    
+
     // membervariables
 
     /** The value of this object. */
     protected String value = PdfObject.NOTHING;
-    
+
     /** The encoding. */
     protected String encoding = BaseFont.WINANSI;
-    
+
-    
+
 /** The font for this <CODE>PdfChunk</CODE>. */
     protected PdfFont font;
 
@@ -164,7 +170,7 @@ public class PdfChunk {
  * such as underline.
  */
     protected HashMap attributes = new HashMap();
-    
+
 /**
  * Non metric attributes.
  * <P>
@@ -172,16 +178,16 @@ public class PdfChunk {
  * such as Color.
  */
     protected HashMap noStroke = new HashMap();
-    
+
 /** <CODE>true</CODE> if the chunk split was cause by a newline. */
     protected boolean newlineSplit;
-    
+
 /** The image in this <CODE>PdfChunk</CODE>, if it has one */
     protected Image image;
-    
+
 /** The offset in the x direction for the image */
     protected float offsetX;
-    
+
 /** The offset in the y direction for the image */
     protected float offsetY;
 
@@ -189,17 +195,18 @@ public class PdfChunk {
     protected boolean changeLeading = false;
 
     // constructors
-    
+
 /**
  * Constructs a <CODE>PdfChunk</CODE>-object.
  *
  * @param string the content of the <CODE>PdfChunk</CODE>-object
  * @param other Chunk with the same style you want for the new Chunk
  */
-    
+
     PdfChunk(String string, PdfChunk other) {
         thisChunk[0] = this;
         value = string;
+        updateBreakTag();
         this.font = other.font;
         this.attributes = other.attributes;
         this.noStroke = other.noStroke;
@@ -217,18 +224,18 @@ public class PdfChunk {
             splitCharacter = DefaultSplitCharacter.DEFAULT;
         this.height = other.getHeight();
     }
-    
+
-/**
+    /**
  * Constructs a <CODE>PdfChunk</CODE>-object.
  *
  * @param chunk the original <CODE>Chunk</CODE>-object
  * @param action the <CODE>PdfAction</CODE> if the <CODE>Chunk</CODE> comes from an <CODE>Anchor</CODE>
  */
-    
+
     public PdfChunk(Chunk chunk, PdfAction action) {
         thisChunk[0] = this;
         value = chunk.getContent();
-        
+        updateBreakTag();
         Font f = chunk.getFont();
         float size = f.getSize();
         if (size == Font.UNDEFINED)
@@ -302,15 +309,15 @@ public class PdfChunk {
         if (splitCharacter == null)
             splitCharacter = DefaultSplitCharacter.DEFAULT;
     }
-    
+
     // methods
-    
+
     /** Gets the Unicode equivalent to a CID.
-     * The (inexistent) CID <FF00> is translated as '\n'. 
+     * The (inexistent) CID <FF00> is translated as '\n'.
      * It has only meaning with CJK fonts with Identity encoding.
      * @param c the CID code
      * @return the Unicode equivalent
-     */    
+     */
     public int getUnicodeEquivalent(int c) {
         return c;
     }
@@ -407,7 +414,7 @@ public class PdfChunk {
  * @param		width		a given width
  * @return		the <CODE>PdfChunk</CODE> that doesn't fit into the width.
  */
-    
+
     PdfChunk truncate(float width) {
         if (image != null) {
             if (image.getScaledWidth() + indent.getLeft() + indent.getRight() > width) {
@@ -421,10 +428,10 @@ public class PdfChunk {
             else
                 return null;
         }
-        
+
         int currentPosition = 0;
         float currentWidth = indent.getLeft();
-        
+
         // it's no use trying to split if there isn't even enough place for a space
         if (width < font.width() + indent.getLeft() + indent.getRight()) {
             String returnValue = value.substring(1);
@@ -432,7 +439,7 @@ public class PdfChunk {
             PdfChunk pc = new PdfChunk(returnValue, this);
             return pc;
         }
-        
+
         // loop over all the characters of a string
         // or until the totalWidth is reached
         int length = value.length();
@@ -451,12 +458,12 @@ public class PdfChunk {
                 currentPosition++;
             currentPosition++;
         }
-        
+
         // if all the characters fit in the total width, null is returned (there is no overflow)
         if (currentPosition == length) {
             return null;
         }
-        
+
         // otherwise, the string has to be truncated
         //currentPosition -= 2;
         // we have to chop off minimum 1 character from the chunk
@@ -470,49 +477,49 @@ public class PdfChunk {
         PdfChunk pc = new PdfChunk(returnValue, this);
         return pc;
     }
-    
+
     // methods to retrieve the membervariables
-    
+
 /**
  * Returns the font of this <CODE>Chunk</CODE>.
  *
  * @return	a <CODE>PdfFont</CODE>
  */
-    
+
     PdfFont font() {
         return font;
     }
-    
+
 /**
  * Returns the color of this <CODE>Chunk</CODE>.
  *
  * @return	a <CODE>Color</CODE>
  */
-    
+
     Color color() {
         return (Color)noStroke.get(Chunk.COLOR);
     }
-    
+
 /**
  * Returns the width of this <CODE>PdfChunk</CODE>.
  *
  * @return	a width
  */
-    
+
     public float width() {
         return font.width(value) + indent.getLeft() + indent.getRight();
     }
-    
+
 /**
  * Checks if the <CODE>PdfChunk</CODE> split was caused by a newline.
  * @return <CODE>true</CODE> if the <CODE>PdfChunk</CODE> split was caused by a newline.
  */
-    
+
     public boolean isNewlineSplit()
     {
         return newlineSplit;
     }
-    
+
 /**
  * Gets the width of the <CODE>PdfChunk</CODE> taking into account the
  * extra character and word spacing.
@@ -520,7 +527,7 @@ public class PdfChunk {
  * @param wordSpacing the extra word spacing
  * @return the calculated width
  */
-    
+
     public float getWidthCorrected(float charSpacing, float wordSpacing)
     {
         if (image != null) {
@@ -532,7 +539,7 @@ public class PdfChunk {
             ++numberOfSpaces;
         return width() + (value.length() * charSpacing + numberOfSpaces * wordSpacing);
     }
-    
+
     /**
      * Gets the text displacement relative to the baseline.
      * @return a displacement in points
@@ -544,7 +551,7 @@ public class PdfChunk {
     	}
     	return 0.0f;
     }
-    
+
     /**
      * Trims the last space.
      * @return the width of the space trimmed, otherwise 0
@@ -565,44 +572,44 @@ public class PdfChunk {
         }
         return 0;
     }
-    
+
 /**
  * Gets an attribute. The search is made in <CODE>attributes</CODE>
  * and <CODE>noStroke</CODE>.
  * @param name the attribute key
  * @return the attribute value or null if not found
  */
-    
+
     public Object getAttribute(String name)
     {
         if (attributes.containsKey(name))
             return attributes.get(name);
         return noStroke.get(name);
     }
-    
+
 /**
  *Checks if the attribute exists.
  * @param name the attribute key
  * @return <CODE>true</CODE> if the attribute exists
  */
-    
+
     boolean isAttribute(String name)
     {
         if (attributes.containsKey(name))
             return true;
         return noStroke.containsKey(name);
     }
-    
+
 /**
  * Checks if this <CODE>PdfChunk</CODE> needs some special metrics handling.
  * @return <CODE>true</CODE> if this <CODE>PdfChunk</CODE> needs some special metrics handling.
  */
-    
+
     boolean isStroked()
     {
         return (!attributes.isEmpty());
     }
-    
+
     /**
      * Checks if this <CODE>PdfChunk</CODE> is a Separator Chunk.
      * @return	true if this chunk is a separator.
@@ -611,7 +618,7 @@ public class PdfChunk {
     boolean isSeparator() {
     	return isAttribute(Chunk.SEPARATOR);
     }
-    
+
     /**
      * Checks if this <CODE>PdfChunk</CODE> is a horizontal Separator Chunk.
      * @return	true if this chunk is a horizontal separator.
@@ -624,7 +631,7 @@ public class PdfChunk {
     	}
     	return false;
     }
-    
+
     /**
      * Checks if this <CODE>PdfChunk</CODE> is a tab Chunk.
      * @return	true if this chunk is a separator.
@@ -633,7 +640,7 @@ public class PdfChunk {
     boolean isTab() {
     	return isAttribute(Chunk.TAB);
     }
-    
+
     /**
      * Correction for the tab position based on the left starting position.
      * @param	newValue	the new value for the left X.
@@ -645,72 +652,72 @@ public class PdfChunk {
     		attributes.put(Chunk.TAB, new Object[]{o[0], o[1], o[2], new Float(newValue)});
     	}
     }
-    
+
 /**
  * Checks if there is an image in the <CODE>PdfChunk</CODE>.
  * @return <CODE>true</CODE> if an image is present
  */
-    
+
     public boolean isImage()
     {
         return image != null;
     }
-    
+
 /**
  * Gets the image in the <CODE>PdfChunk</CODE>.
  * @return the image or <CODE>null</CODE>
  */
-    
+
    public Image getImage()
     {
         return image;
     }
-    
+
 /**
  * Sets the image offset in the x direction
  * @param  offsetX the image offset in the x direction
  */
-    
+
     void setImageOffsetX(float offsetX)
     {
         this.offsetX = offsetX;
     }
-    
+
 /**
  * Gets the image offset in the x direction
  * @return the image offset in the x direction
  */
-    
+
     float getImageOffsetX()
     {
         return offsetX;
     }
-    
+
 /**
  * Sets the image offset in the y direction
  * @param  offsetY the image offset in the y direction
  */
-    
+
     void setImageOffsetY(float offsetY)
     {
         this.offsetY = offsetY;
     }
-    
+
 /**
  * Gets the image offset in the y direction
  * @return Gets the image offset in the y direction
  */
-    
+
     float getImageOffsetY()
     {
         return offsetY;
     }
-    
+
 /**
  * sets the value.
  * @param value content of the Chunk
  */
-    
+
     void setValue(String value)
     {
         this.value = value;
@@ -727,17 +734,17 @@ public class PdfChunk {
      * Tells you if this string is in Chinese, Japanese, Korean or Identity-H.
      * @return true if the Chunk has a special encoding
      */
-    
+
     boolean isSpecialEncoding() {
         return encoding.equals(CJKFont.CJK_ENCODING) || encoding.equals(BaseFont.IDENTITY_H);
     }
-    
+
     /**
      * Gets the encoding of this string.
      *
      * @return		a <CODE>String</CODE>
      */
-    
+
     String getEncoding() {
         return encoding;
     }
@@ -745,7 +752,7 @@ public class PdfChunk {
     int length() {
         return value.length();
     }
-    
+
     int lengthUtf32() {
         if (!BaseFont.IDENTITY_H.equals(encoding))
             return value.length();
@@ -758,17 +765,17 @@ public class PdfChunk {
         }
         return total;
     }
-    
+
     boolean isExtSplitCharacter(int start, int current, int end, char[] cc, PdfChunk[] ck) {
         return splitCharacter.isSplitCharacter(start, current, end, cc, ck);
     }
-    
+
 /**
  * Removes all the <VAR>' '</VAR> and <VAR>'-'</VAR>-characters on the right of a <CODE>String</CODE>.
  * <P>
  * @param	string		the <CODE>String<CODE> that has to be trimmed.
  * @return	the trimmed <CODE>String</CODE>
- */    
+ */
     String trim(String string) {
         while (string.endsWith(" ") || string.endsWith("\t")) {
             string = string.substring(0, string.length() - 1);
@@ -779,7 +786,7 @@ public class PdfChunk {
     public boolean changeLeading() {
         return changeLeading;
     }
-    
+
     float getCharWidth(int c) {
         if (noPrint(c))
             return 0;
@@ -798,7 +805,7 @@ public class PdfChunk {
         htmlString.append("<span style='");
         htmlString.append(getStyleAttributes()).append("'");
         htmlString.append(">");
-        htmlString.append(value);
+        htmlString.append(breakTag ? BREAK_TAG : value);
         htmlString.append("</span>");
         return htmlString.toString();
     }
@@ -856,4 +863,12 @@ public class PdfChunk {
         return indent.getLeft();
     }
 
+    private void updateBreakTag() {
+        breakTag = BREAK.equals(value);
+    }
+
+    public boolean isBreakTag() {
+        return breakTag;
+    }
+
 }

fine-itext/src/com/fr/third/v2/lowagie/text/pdf/PdfLine.java

@@ -91,9 +91,11 @@ public class PdfLine {
     
     /** The original width. */
     protected float originalWidth;
-    
+
     protected boolean isRTL = false;
 
+
+
     public float getHeight() {
         return height;
     }
@@ -155,9 +157,15 @@ public class PdfLine {
     public PdfChunk add(PdfChunk chunk) {
         // nothing happens if the chunk is null.
         if (chunk == null || chunk.toString().equals("")) {
-        	return null;
+            return null;
         }
-        
+        //  add to line if the chunk is break tag ("\n")
+        if (chunk.isBreakTag()) {
+            addToLine(chunk);
+            width = 0;
+            return null;
+        }
+
         // we split the chunk to be added
         PdfChunk overflow = chunk.split(width);
         newlineSplit = (chunk.isNewlineSplit() || overflow == null);