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| package com.unitesk.atp.tree; |
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| |
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| import java.io.File; |
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| import java.io.FileWriter; |
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| import java.io.IOException; |
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| import java.io.Writer; |
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| import java.util.Iterator; |
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| import java.util.List; |
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| |
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| import com.unitesk.atp.dynattrs.Accessor; |
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| import com.unitesk.atp.text.filters.ExceptionHandler; |
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| import com.unitesk.atp.text.filters.IndentFilter; |
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| import com.unitesk.atp.text.filters.WriterTextReceiver; |
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| |
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| public class TreePrinter |
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| { |
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| protected Writer writer; |
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| protected IndentFilter indentFilter; |
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| protected ExceptionHandler exceptionHandler; |
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| |
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| public static TreePrinter create( String file, ExceptionHandler exceptionHandler )
|
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| { |
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| return create( new File( file ), exceptionHandler );
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| } |
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| |
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| public static
|
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| TreePrinter create( String file, ExceptionHandler exceptionHandler, int indentStep ) |
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| { |
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| return create( new File( file ), exceptionHandler, indentStep );
|
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| } |
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| |
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| public static TreePrinter create( File file, ExceptionHandler exceptionHandler )
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| { |
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| return create( file, exceptionHandler, IndentFilter.DEFAULT_INDENT_STEP );
|
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| } |
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| |
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| public static TreePrinter create( File file, ExceptionHandler exceptionHandler, int indentStep )
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| { |
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| try
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| { |
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| return create( new FileWriter( file.getCanonicalPath() )
|
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| , exceptionHandler |
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| , indentStep |
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| ); |
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| } |
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| catch( IOException e ) |
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| { |
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| exceptionHandler.process( e );
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| return null;
|
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| } |
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| } |
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| |
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| public static TreePrinter create( Writer writer
|
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| , ExceptionHandler exceptionHandler |
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| ) |
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| { |
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| return create( writer, exceptionHandler, IndentFilter.DEFAULT_INDENT_STEP );
|
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| } |
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| |
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| public static TreePrinter create( Writer writer
|
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| , ExceptionHandler exceptionHandler |
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| , int indentStep |
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| ) |
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| { |
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| return new TreePrinter( writer, exceptionHandler, indentStep );
|
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| } |
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| |
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| |
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| public void close()
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| { |
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| try
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| { |
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| writer.close();
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| } |
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| catch( IOException e ) |
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| { |
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| exceptionHandler.process( e );
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| } |
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| } |
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| |
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| public void dumpTree( Tree tree )
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| { |
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| txt( "tree " + tree.getFile() ); nl();
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| block_nl();
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| dumpTree( tree.getRootNode() );
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| unblock_nl();
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| } |
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| |
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| public void dumpTree( Node node )
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| { |
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| dumpNode( node );
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| } |
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| |
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| protected TreePrinter( Writer writer, ExceptionHandler exceptionHandler, int indentStep )
|
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| { |
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| this.writer = writer;
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| WriterTextReceiver out = new WriterTextReceiver( writer, exceptionHandler );
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| indentFilter = new IndentFilter( out, indentStep );
|
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| } |
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| |
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| protected final void incIndent()
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| { |
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| indentFilter.pushIndent( indentFilter.getIndent()
|
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| + indentFilter.getIndentStep() |
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| ); |
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| } |
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| |
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| protected final void popIndent()
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| { |
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| indentFilter.popIndent();
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| } |
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| |
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| protected final void txt( String s )
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| { |
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| indentFilter.txt( s );
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| } |
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| |
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| protected final void nl()
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| { |
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| indentFilter.nl();
|
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| } |
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| |
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| protected final void block()
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| { |
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| txt( "{" );
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| incIndent();
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| } |
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| |
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| protected final void unblock()
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| { |
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| popIndent();
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| txt( "}" );
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| } |
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| |
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| protected final void block_nl()
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| { |
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| block();
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| nl();
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| } |
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| |
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| protected final void unblock_nl()
|
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| { |
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| unblock();
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| nl();
|
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| } |
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| |
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| protected void dumpNode( Node node )
|
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| { |
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| txt( node.toString() ); nl();
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| block_nl();
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| |
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| for( Iterator attr_name_iterator = Accessor.getAttributeNames( node ).iterator();
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| attr_name_iterator.hasNext();
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| ) |
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| { |
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| String name = (String)attr_name_iterator.next();
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| Object value = Accessor.getAttribute( node, name );
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| |
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| if( value instanceof List )
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| { |
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| txt( name + "[" + ((List)value).size() + "] =" ); nl();
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| block_nl();
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| for( int i = 0; i < ((List)value).size(); i++ )
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| { |
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| dumpAttribute( node
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| , name + "[" + i + "]" |
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| , ((List)value).get( i ) |
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| ); |
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| } |
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| unblock_nl();
|
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| } else { |
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| dumpAttribute( node, name, value );
|
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| } |
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| } |
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| unblock_nl();
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| } |
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| |
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| protected void dumpAttribute( Node node, String name, Object value )
|
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| { |
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| txt( name + " = " );
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| |
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| if( value instanceof Node && ((Node)value).getParent() == node )
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| { |
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| |
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| dumpNode( (Node)value );
|
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| } else { |
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| txt( "'" + value + "'" );
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| nl();
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| } |
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| } |
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| } |