Java Context.getController方法代码示例

import com.icl.saxon.Context; //导入方法依赖的package包/类
/**
  * <p>Unwrap links</p>
  *
  * @param rtf The result tree fragment of the verbatim environment.
  *
  * @return The modified result tree fragment.
  */
 public static NodeSetValue unwrapLinks (Context context,
				  NodeSetValue rtf_ns) {

   FragmentValue rtf = (FragmentValue) rtf_ns;
   boolean tryAgain = true;

   setupUnwrapLinks(context);

   try {
     Controller controller = context.getController();
     NamePool namePool = controller.getNamePool();

     while (tryAgain) {
UnwrapLinksEmitter ulEmitter = new UnwrapLinksEmitter(controller,
						      namePool,
						      foStylesheet);
rtf.replay(ulEmitter);
tryAgain = ulEmitter.tryAgain();
rtf = (FragmentValue) ulEmitter.getResultTreeFragment();
     }

     return rtf;

   } catch (TransformerException e) {
     // This "can't" happen.
     System.out.println("Transformer Exception in unwrapLinks");
     return rtf;
   }
 }
 

import com.icl.saxon.Context; //导入方法依赖的package包/类
/**
  * <p>Unwrap links</p>
  *
  * @param context The current stylesheet context.
  * @param rtf_ns The result tree fragment of the verbatim environment.
  *
  * @return The modified result tree fragment.
  */
 public static NodeSetValue unwrapLinks (Context context,
				  NodeSetValue rtf_ns) {

   FragmentValue rtf = (FragmentValue) rtf_ns;
   boolean tryAgain = true;

   setupUnwrapLinks(context);

   try {
     Controller controller = context.getController();
     NamePool namePool = controller.getNamePool();

     while (tryAgain) {
UnwrapLinksEmitter ulEmitter = new UnwrapLinksEmitter(controller,
						      namePool,
						      foStylesheet);
rtf.replay(ulEmitter);
tryAgain = ulEmitter.tryAgain();
rtf = (FragmentValue) ulEmitter.getResultTreeFragment();
     }

     return rtf;

   } catch (TransformerException e) {
     // This "can't" happen.
     System.out.println("Transformer Exception in unwrapLinks");
     return rtf;
   }
 }
 

import com.icl.saxon.Context; //导入方法依赖的package包/类
/**
 * <p>Insert text callouts into a verbatim environment.</p>
 *
 * <p>This method examines the <tt>areaset</tt> and <tt>area</tt> elements
 * in the supplied <tt>areaspec</tt> and decorates the supplied
 * result tree fragment with appropriate callout markers.</p>
 *
 * <p>If a <tt>label</tt> attribute is supplied on an <tt>area</tt>,
 * its content will be used for the label, otherwise the callout
 * number will be used, surrounded by parenthesis. Callout numbers may
 * also be represented as graphics. Callouts are
 * numbered in document order. All of the <tt>area</tt>s in an
 * <tt>areaset</tt> get the same number.</p>
 *
 * <p>Only the <tt>linecolumn</tt> and <tt>linerange</tt> units are
 * supported. If no unit is specifed, <tt>linecolumn</tt> is assumed.
 * If only a line is specified, the callout decoration appears in
 * the defaultColumn. Lines will be padded with blanks to reach the
 * necessary column, but callouts that are located beyond the last
 * line of the verbatim environment will be ignored.</p>
 *
 * <p>Callouts are inserted before the character at the line/column
 * where they are to occur.</p>
 *
 * <p>If graphical callouts are used, and the callout number is less
 * than or equal to the $callout.graphics.number.limit, the following image
 * will be generated for HTML:
 *
 * <pre>
 * &lt;img src="$callout.graphics.path/999$callout.graphics.ext"
 *         alt="conumber">
 * </pre>
 *
 * If the $stylesheet.result.type is 'fo', the following image will
 * be generated:
 *
 * <pre>
 * &lt;fo:external-graphic src="$callout.graphics.path/999$callout.graphics.ext"/>
 * </pre>
 *
 * <p>If the callout number exceeds $callout.graphics.number.limit,
 * the callout will be the callout number surrounded by
 * parenthesis.</p>
 *
 * @param context The stylesheet context.
 * @param areaspecNodeList The source node set that contains the areaspec.
 * @param rtf_ns The result tree fragment of the verbatim environment.
 *
 * @return The modified result tree fragment.
 */
public static NodeSetValue insertCallouts (Context context,
			     NodeList areaspecNodeList,
			     NodeSetValue rtf_ns) {

  FragmentValue rtf = (FragmentValue) rtf_ns;

  setupCallouts(context);

  try {
    Controller controller = context.getController();
    NamePool namePool = controller.getNamePool();
    CalloutEmitter cEmitter = new CalloutEmitter(controller,
				   namePool,
				   defaultColumn,
				   foStylesheet,
				   fCallout);
    cEmitter.setupCallouts(areaspecNodeList);
    rtf.replay(cEmitter);
    return cEmitter.getResultTreeFragment();
  } catch (TransformerException e) {
    // This "can't" happen.
    System.out.println("Transformer Exception in insertCallouts");
    return rtf;
  }
}
 

import com.icl.saxon.Context; //导入方法依赖的package包/类
/**
  * <p>Number lines in a verbatim environment</p>
  *
  * <p>The extension function expects the following variables to be
  * available in the calling context: $linenumbering.everyNth,
  * $linenumbering.width, $linenumbering.separator, and
  * $stylesheet.result.type.</p>
  *
  * <p>This method adds line numbers to a result tree fragment. Each
  * newline that occurs in a text node is assumed to start a new line.
  * The first line is always numbered, every subsequent 'everyNth' line
  * is numbered (so if everyNth=5, lines 1, 5, 10, 15, etc. will be
  * numbered. If there are fewer than everyNth lines in the environment,
  * every line is numbered.</p>
  *
  * <p>Every line number will be right justified in a string 'width'
  * characters long. If the line number of the last line in the
  * environment is too long to fit in the specified width, the width
  * is automatically increased to the smallest value that can hold the
  * number of the last line. (In other words, if you specify the value 2
  * and attempt to enumerate the lines of an environment that is 100 lines
  * long, the value 3 will automatically be used for every line in the
  * environment.)</p>
  *
  * <p>The 'separator' string is inserted between the line
  * number and the original program listing. Lines that aren't numbered
  * are preceded by a 'width' blank string and the separator.</p>
  *
  * <p>If inline markup extends across line breaks, markup changes are
  * required. All the open elements are closed before the line break and
  * "reopened" afterwards. The reopened elements will have the same
  * attributes as the originals, except that 'name' and 'id' attributes
  * are not duplicated if the stylesheet.result.type is "html" and
  * 'id' attributes will not be duplicated if the result type is "fo".</p>
  *
  * @param rtf The result tree fragment of the verbatim environment.
  *
  * @return The modified result tree fragment.
  */
 public static NodeSetValue numberLines (Context context,
				  NodeSetValue rtf_ns) {

   FragmentValue rtf = (FragmentValue) rtf_ns;

   setupLineNumbering(context);

   try {
     LineCountEmitter lcEmitter = new LineCountEmitter();
     rtf.replay(lcEmitter);
     int numLines = lcEmitter.lineCount();

     int listingModulus = numLines < modulus ? 1 : modulus;

     double log10numLines = Math.log(numLines) / Math.log(10);

     int listingWidth = width < log10numLines+1
? (int) Math.floor(log10numLines + 1)
: width;

     Controller controller = context.getController();
     NamePool namePool = controller.getNamePool();
     NumberLinesEmitter nlEmitter = new NumberLinesEmitter(controller,
						    namePool,
						    startinglinenumber,
						    listingModulus,
						    listingWidth,
						    separator,
						    foStylesheet);
     rtf.replay(nlEmitter);
     return nlEmitter.getResultTreeFragment();
   } catch (TransformerException e) {
     // This "can't" happen.
     System.out.println("Transformer Exception in numberLines");
     return rtf;
   }
 }
 

import com.icl.saxon.Context; //导入方法依赖的package包/类
/**
 * <p>Insert text callouts into a verbatim environment.</p>
 *
 * <p>This method examines the <tt>areaset</tt> and <tt>area</tt> elements
 * in the supplied <tt>areaspec</tt> and decorates the supplied
 * result tree fragment with appropriate callout markers.</p>
 *
 * <p>If a <tt>label</tt> attribute is supplied on an <tt>area</tt>,
 * its content will be used for the label, otherwise the callout
 * number will be used, surrounded by parenthesis. Callout numbers may
 * also be represented as graphics. Callouts are
 * numbered in document order. All of the <tt>area</tt>s in an
 * <tt>areaset</tt> get the same number.</p>
 *
 * <p>Only the <tt>linecolumn</tt> and <tt>linerange</tt> units are
 * supported. If no unit is specifed, <tt>linecolumn</tt> is assumed.
 * If only a line is specified, the callout decoration appears in
 * the defaultColumn. Lines will be padded with blanks to reach the
 * necessary column, but callouts that are located beyond the last
 * line of the verbatim environment will be ignored.</p>
 *
 * <p>Callouts are inserted before the character at the line/column
 * where they are to occur.</p>
 *
 * <p>If graphical callouts are used, and the callout number is less
 * than or equal to the $callout.graphics.number.limit, the following image
 * will be generated for HTML:
 *
 * <pre>
 * &lt;img src="$callout.graphics.path/999$callout.graphics.ext"
 *         alt="conumber">
 * </pre>
 *
 * If the $stylesheet.result.type is 'fo', the following image will
 * be generated:
 *
 * <pre>
 * &lt;fo:external-graphic src="$callout.graphics.path/999$callout.graphics.ext"/>
 * </pre>
 *
 * <p>If the callout number exceeds $callout.graphics.number.limit,
 * the callout will be the callout number surrounded by
 * parenthesis.</p>
 *
 * @param context The stylesheet context.
 * @param areaspecNodeSet The source node set that contains the areaspec.
 * @param rtf The result tree fragment of the verbatim environment.
 *
 * @return The modified result tree fragment.
 */

public static NodeSetValue insertCallouts (Context context,
			     NodeList areaspecNodeList,
			     NodeSetValue rtf_ns) {

  FragmentValue rtf = (FragmentValue) rtf_ns;

  setupCallouts(context);

  try {
    Controller controller = context.getController();
    NamePool namePool = controller.getNamePool();
    CalloutEmitter cEmitter = new CalloutEmitter(controller,
				   namePool,
				   defaultColumn,
				   foStylesheet,
				   fCallout);
    cEmitter.setupCallouts(areaspecNodeList);
    rtf.replay(cEmitter);
    return cEmitter.getResultTreeFragment();
  } catch (TransformerException e) {
    // This "can't" happen.
    System.out.println("Transformer Exception in insertCallouts");
    return rtf;
  }
}
 

import com.icl.saxon.Context; //导入方法依赖的package包/类
/**
  * <p>Number lines in a verbatim environment</p>
  *
  * <p>The extension function expects the following variables to be
  * available in the calling context: $linenumbering.everyNth,
  * $linenumbering.width, $linenumbering.separator, and
  * $stylesheet.result.type.</p>
  *
  * <p>This method adds line numbers to a result tree fragment. Each
  * newline that occurs in a text node is assumed to start a new line.
  * The first line is always numbered, every subsequent 'everyNth' line
  * is numbered (so if everyNth=5, lines 1, 5, 10, 15, etc. will be
  * numbered. If there are fewer than everyNth lines in the environment,
  * every line is numbered.</p>
  *
  * <p>Every line number will be right justified in a string 'width'
  * characters long. If the line number of the last line in the
  * environment is too long to fit in the specified width, the width
  * is automatically increased to the smallest value that can hold the
  * number of the last line. (In other words, if you specify the value 2
  * and attempt to enumerate the lines of an environment that is 100 lines
  * long, the value 3 will automatically be used for every line in the
  * environment.)</p>
  *
  * <p>The 'separator' string is inserted between the line
  * number and the original program listing. Lines that aren't numbered
  * are preceded by a 'width' blank string and the separator.</p>
  *
  * <p>If inline markup extends across line breaks, markup changes are
  * required. All the open elements are closed before the line break and
  * "reopened" afterwards. The reopened elements will have the same
  * attributes as the originals, except that 'name' and 'id' attributes
  * are not duplicated if the stylesheet.result.type is "html" and
  * 'id' attributes will not be duplicated if the result type is "fo".</p>
  *
  * @param context The current stylesheet context.
  * @param rtf_ns The result tree fragment of the verbatim environment.
  *
  * @return The modified result tree fragment.
  */
 public static NodeSetValue numberLines (Context context,
				  NodeSetValue rtf_ns) {

   FragmentValue rtf = (FragmentValue) rtf_ns;

   setupLineNumbering(context);

   try {
     LineCountEmitter lcEmitter = new LineCountEmitter();
     rtf.replay(lcEmitter);
     int numLines = lcEmitter.lineCount();

     int listingModulus = numLines < modulus ? 1 : modulus;

     double log10numLines = Math.log(numLines) / Math.log(10);

     int listingWidth = width < log10numLines+1
? (int) Math.floor(log10numLines + 1)
: width;

     Controller controller = context.getController();
     NamePool namePool = controller.getNamePool();
     NumberLinesEmitter nlEmitter = new NumberLinesEmitter(controller,
						    namePool,
						    startinglinenumber,
						    listingModulus,
						    listingWidth,
						    separator,
						    foStylesheet);
     rtf.replay(nlEmitter);
     return nlEmitter.getResultTreeFragment();
   } catch (TransformerException e) {
     // This "can't" happen.
     System.out.println("Transformer Exception in numberLines");
     return rtf;
   }
 }