Java DefaultStyledDocument.ElementSpec方法代码示例

import javax.swing.text.DefaultStyledDocument; //导入方法依赖的package包/类
/**
 * Instructs the parse buffer to create a block element with the given
 * attributes.
 *
 * @param t the tag that requires opening a new block
 * @param attr the attribute set for the new block
 */
protected void blockOpen(HTML.Tag t, MutableAttributeSet attr)
{
  if (inImpliedParagraph())
    blockClose(HTML.Tag.IMPLIED);

  // Push the new tag on top of the stack.
  parseStack.push(t);

  DefaultStyledDocument.ElementSpec element;

  AbstractDocument.AttributeContext ctx = getAttributeContext();
  AttributeSet copy = attr.copyAttributes();
  copy = ctx.addAttribute(copy, StyleConstants.NameAttribute, t);
  element = new DefaultStyledDocument.ElementSpec(copy,
                           DefaultStyledDocument.ElementSpec.StartTagType);
  parseBuffer.addElement(element);
}
 

import javax.swing.text.DefaultStyledDocument; //导入方法依赖的package包/类
/**
 * Adds content that is specified in the attribute set.
 *
 * @param t the HTML.Tag
 * @param a the attribute set specifying the special content
 */
protected void addSpecialElement(HTML.Tag t, MutableAttributeSet a)
{
  if (t != HTML.Tag.FRAME && ! inParagraph())
    {
      blockOpen(HTML.Tag.IMPLIED, new SimpleAttributeSet());
    }

  a.addAttribute(StyleConstants.NameAttribute, t);

  // The two spaces are required because some special elements like HR
  // must be broken. At least two characters are needed to break into the
  // two parts.
  DefaultStyledDocument.ElementSpec spec =
    new DefaultStyledDocument.ElementSpec(a.copyAttributes(),
      DefaultStyledDocument.ElementSpec.ContentType,
      new char[] {' '}, 0, 1 );
  parseBuffer.add(spec);
}
 

import javax.swing.text.DefaultStyledDocument; //导入方法依赖的package包/类
/**
 * Instructs the parse buffer to create a block element with the given 
 * attributes.
 * 
 * @param t the tag that requires opening a new block
 * @param attr the attribute set for the new block
 */
protected void blockOpen(HTML.Tag t, MutableAttributeSet attr)
{
  if (inImpliedParagraph())
    blockClose(HTML.Tag.IMPLIED);

  // Push the new tag on top of the stack.
  parseStack.push(t);

  DefaultStyledDocument.ElementSpec element;

  AbstractDocument.AttributeContext ctx = getAttributeContext();
  AttributeSet copy = attr.copyAttributes();
  copy = ctx.addAttribute(copy, StyleConstants.NameAttribute, t);
  element = new DefaultStyledDocument.ElementSpec(copy,
                           DefaultStyledDocument.ElementSpec.StartTagType);
  parseBuffer.addElement(element);
}
 

import javax.swing.text.DefaultStyledDocument; //导入方法依赖的package包/类
/**
  * Adds content that is specified in the attribute set.
  * 
  * @param t the HTML.Tag
  * @param a the attribute set specifying the special content
  */
 protected void addSpecialElement(HTML.Tag t, MutableAttributeSet a)
 {
   if (t != HTML.Tag.FRAME && ! inParagraph())
     {
       blockOpen(HTML.Tag.IMPLIED, new SimpleAttributeSet());
     }

   a.addAttribute(StyleConstants.NameAttribute, t);
   
   // The two spaces are required because some special elements like HR
   // must be broken. At least two characters are needed to break into the
   // two parts.
   DefaultStyledDocument.ElementSpec spec =
     new DefaultStyledDocument.ElementSpec(a.copyAttributes(),
DefaultStyledDocument.ElementSpec.ContentType, 
       new char[] {' '}, 0, 1 );
   parseBuffer.add(spec);
 }
 

import javax.swing.text.DefaultStyledDocument; //导入方法依赖的package包/类
private void checkSpecType(final String specsDescr, int i, final DefaultStyledDocument.ElementSpec spec) {
    final char typeChar = specsDescr.charAt(i*2);
    short specType = 0;
    if (typeChar == 's') {
        specType = ElementSpec.StartTagType;
    } else if (typeChar == 'c') {
        specType = ElementSpec.ContentType;
    } else if (typeChar == 'e') {
        specType = ElementSpec.EndTagType;
    }
    final char dirChar = specsDescr.charAt(i*2 + 1);
    short specDir = 0;
    if (dirChar == 'n') {
        specDir = ElementSpec.JoinNextDirection;
    } else if (dirChar == 'p') {
        specDir = ElementSpec.JoinPreviousDirection;
    } else if (dirChar == 'o') {
        specDir = ElementSpec.OriginateDirection;
    }
    assertEquals("spec direction", specDir, spec.getDirection());
    assertEquals("spec type", specType, spec.getType());
}
 

import javax.swing.text.DefaultStyledDocument; //导入方法依赖的package包/类
/**
 * Instructs the parse buffer to close the block element associated with
 * the given HTML.Tag
 *
 * @param t the HTML.Tag that is closing its block
 */
protected void blockClose(HTML.Tag t)
{
  DefaultStyledDocument.ElementSpec element;

  if (inImpliedParagraph() && t != HTML.Tag.IMPLIED)
    blockClose(HTML.Tag.IMPLIED);

  // Pull the token from the stack.
  if (! parseStack.isEmpty()) // Just to be sure.
    parseStack.pop();

  // If the previous tag is a start tag then we insert a synthetic
  // content tag.
  DefaultStyledDocument.ElementSpec prev;
  prev = parseBuffer.size() > 0 ? (DefaultStyledDocument.ElementSpec)
                            parseBuffer.get(parseBuffer.size() - 1) : null;
  if (prev != null &&
      prev.getType() == DefaultStyledDocument.ElementSpec.StartTagType)
    {
      addContent(new char[]{' '}, 0, 1);
    }

  element = new DefaultStyledDocument.ElementSpec(null,
                            DefaultStyledDocument.ElementSpec.EndTagType);
  parseBuffer.addElement(element);
}
 

import javax.swing.text.DefaultStyledDocument; //导入方法依赖的package包/类
/**
 * Instructs the parse buffer to close the block element associated with 
 * the given HTML.Tag
 * 
 * @param t the HTML.Tag that is closing its block
 */
protected void blockClose(HTML.Tag t)
{
  DefaultStyledDocument.ElementSpec element;

  if (inImpliedParagraph() && t != HTML.Tag.IMPLIED)
    blockClose(HTML.Tag.IMPLIED);

  // Pull the token from the stack.
  if (! parseStack.isEmpty()) // Just to be sure.
    parseStack.pop();

  // If the previous tag is a start tag then we insert a synthetic
  // content tag.
  DefaultStyledDocument.ElementSpec prev;
  prev = parseBuffer.size() > 0 ? (DefaultStyledDocument.ElementSpec)
                            parseBuffer.get(parseBuffer.size() - 1) : null;
  if (prev != null &&
      prev.getType() == DefaultStyledDocument.ElementSpec.StartTagType)
    {
      addContent(new char[]{' '}, 0, 1);
    }

  element = new DefaultStyledDocument.ElementSpec(null,
DefaultStyledDocument.ElementSpec.EndTagType);
  parseBuffer.addElement(element);
}
 

import javax.swing.text.DefaultStyledDocument; //导入方法依赖的package包/类
/**
 * Adds text to the appropriate context using the current character
 * attribute set, and possibly generating an IMPLIED Tag if necessary.
 *
 * @param data the text to add
 * @param offs the offset at which to add it
 * @param length the length of the text to add
 * @param generateImpliedPIfNecessary whether or not we should generate
 * an HTML.Tag.IMPLIED tag if necessary
 */
protected void addContent(char[] data, int offs, int length,
                          boolean generateImpliedPIfNecessary)
{
  if (generateImpliedPIfNecessary && ! inParagraph())
    {
      blockOpen(HTML.Tag.IMPLIED, new SimpleAttributeSet());
    }

  AbstractDocument.AttributeContext ctx = getAttributeContext();
  DefaultStyledDocument.ElementSpec element;
  AttributeSet attributes = null;

  // Copy the attribute set, don't use the same object because
  // it may change
  if (charAttr != null)
    attributes = charAttr.copyAttributes();
  else
    attributes = ctx.getEmptySet();
  attributes = ctx.addAttribute(attributes, StyleConstants.NameAttribute,
                                HTML.Tag.CONTENT);
  element = new DefaultStyledDocument.ElementSpec(attributes,
                            DefaultStyledDocument.ElementSpec.ContentType,
                            data, offs, length);

  // Add the element to the buffer
  parseBuffer.addElement(element);

  if (parseBuffer.size() > threshold)
    {
      if (threshold <= MAX_THRESHOLD)
        threshold *= GROW_THRESHOLD;
      try
        {
          flushImpl();
        }
      catch (BadLocationException ble)
        {
          // TODO: what to do here?
        }
    }
}
 

import javax.swing.text.DefaultStyledDocument; //导入方法依赖的package包/类
/**
 * Adds text to the appropriate context using the current character
 * attribute set, and possibly generating an IMPLIED Tag if necessary.
 * 
 * @param data the text to add
 * @param offs the offset at which to add it
 * @param length the length of the text to add
 * @param generateImpliedPIfNecessary whether or not we should generate
 * an HTML.Tag.IMPLIED tag if necessary
 */
protected void addContent(char[] data, int offs, int length,
                          boolean generateImpliedPIfNecessary)
{
  if (generateImpliedPIfNecessary && ! inParagraph())
    {
      blockOpen(HTML.Tag.IMPLIED, new SimpleAttributeSet());
    }

  AbstractDocument.AttributeContext ctx = getAttributeContext();
  DefaultStyledDocument.ElementSpec element;
  AttributeSet attributes = null;

  // Copy the attribute set, don't use the same object because 
  // it may change
  if (charAttr != null)
    attributes = charAttr.copyAttributes();
  else
    attributes = ctx.getEmptySet();
  attributes = ctx.addAttribute(attributes, StyleConstants.NameAttribute,
                                HTML.Tag.CONTENT);
  element = new DefaultStyledDocument.ElementSpec(attributes,
                            DefaultStyledDocument.ElementSpec.ContentType,
                            data, offs, length);
  
  // Add the element to the buffer
  parseBuffer.addElement(element);

  if (parseBuffer.size() > threshold)
    {
      if (threshold <= MAX_THRESHOLD)
        threshold *= GROW_THRESHOLD;
      try
        {
          flushImpl();
        }
      catch (BadLocationException ble)
        {
          // TODO: what to do here?
        }
    }
}