diff options
Diffstat (limited to 'examples/org.eclipse.compare.examples.xml/src/org/eclipse/compare/examples/xml/XMLStructureCreator.java')
| -rw-r--r-- | examples/org.eclipse.compare.examples.xml/src/org/eclipse/compare/examples/xml/XMLStructureCreator.java | 741 |
1 files changed, 0 insertions, 741 deletions
diff --git a/examples/org.eclipse.compare.examples.xml/src/org/eclipse/compare/examples/xml/XMLStructureCreator.java b/examples/org.eclipse.compare.examples.xml/src/org/eclipse/compare/examples/xml/XMLStructureCreator.java deleted file mode 100644 index 57e548d64..000000000 --- a/examples/org.eclipse.compare.examples.xml/src/org/eclipse/compare/examples/xml/XMLStructureCreator.java +++ /dev/null @@ -1,741 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2003 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.compare.examples.xml; - -import java.io.BufferedReader; -import java.io.IOException; -import java.io.InputStream; -import java.io.InputStreamReader; -import java.text.MessageFormat; -import java.util.ArrayList; -import java.util.HashMap; - -import javax.xml.parsers.SAXParser; -import javax.xml.parsers.SAXParserFactory; - -import org.eclipse.compare.IEditableContent; -import org.eclipse.compare.IStreamContentAccessor; -import org.eclipse.compare.structuremergeviewer.Differencer; -import org.eclipse.compare.structuremergeviewer.IDiffContainer; -import org.eclipse.compare.structuremergeviewer.IStructureComparator; -import org.eclipse.compare.structuremergeviewer.IStructureCreator; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.jface.text.BadLocationException; -import org.eclipse.jface.text.Document; -import org.eclipse.jface.text.IDocument; -import org.eclipse.jface.text.IRegion; -import org.eclipse.jface.text.Position; -import org.xml.sax.Attributes; -import org.xml.sax.InputSource; -import org.xml.sax.Locator; -import org.xml.sax.SAXException; -import org.xml.sax.SAXParseException; -import org.xml.sax.helpers.DefaultHandler; -import org.xml.sax.helpers.LocatorImpl; - -/** - * This structure analyzer builds a parse tree of an XML document found in - * a <code>IByteContentAccessor</code> input by calling getStructure(Object) - */ -public class XMLStructureCreator implements IStructureCreator { - - protected static final boolean DEBUG_MODE = false; - - private XMLNode fcurrentParent; - private String fsignature; - private Document fdoc; - private boolean ignoreBodies = false; - //private String fName; - - public static final String DEFAULT_NAME = XMLCompareMessages.getString("XMLStructureCreator.pluginname"); //$NON-NLS-1$ - - private HashMap fIdMapsInternal; - private HashMap fIdMaps; - private HashMap fIdExtensionToName; - private HashMap fOrderedElementsInternal; - private HashMap fOrderedElements; - private HashMap idMap; - private ArrayList fOrdered; - - public static final String USE_UNORDERED = XMLCompareMessages.getString("XMLStructureCreator.unordered"); //$NON-NLS-1$ - public static final String USE_ORDERED = XMLCompareMessages.getString("XMLStructureCreator.ordered"); //$NON-NLS-1$ - public static final String DEFAULT_IDMAP= USE_ORDERED; - private String fIdMapToUse; - private boolean fUseIdMap; - - public static final String TYPE_ELEMENT = "element"; //$NON-NLS-1$ - public static final String TYPE_TEXT = "text"; //$NON-NLS-1$ - public static final String TYPE_ATTRIBUTE = "attribute"; //$NON-NLS-1$ - - //for signatures - public static final String ROOT_ID = "root"; //$NON-NLS-1$ - public static final char SIGN_SEPARATOR = '>';//'.' - public static final char SIGN_ENCLOSING = '$'; - public static final String SIGN_ELEMENT = SIGN_ENCLOSING + TYPE_ELEMENT + SIGN_ENCLOSING; - public static final String SIGN_TEXT = SIGN_ENCLOSING + TYPE_TEXT + SIGN_ENCLOSING; - public static final String SIGN_ATTRIBUTE = SIGN_ENCLOSING + TYPE_ATTRIBUTE + SIGN_ENCLOSING; - - public static final String IDMAP_UNORDERED = XMLCompareMessages.getString("XMLStructureCreator.idmap_unordered"); //$NON-NLS-1$ - - public static final char ID_SEPARATOR = '<'; - public static final char ID_TYPE_BODY = '<'; - - //private static final String parserName = "org.apache.xerces.parsers.SAXParser"; //$NON-NLS-1$ - private static final String parserName = "org.apache.crimson.parser.XMLReaderImpl"; //$NON-NLS-1$ - - private static boolean setValidation = false; //defaults - private static boolean setNameSpaces = true; - private static boolean setSchemaSupport = true; - private static boolean setSchemaFullSupport = false; - - private String fFileExt; - private boolean fFirstCall = true; - - private boolean fRemoveWhiteSpace; - - protected class XMLHandler extends DefaultHandler { - - protected Locator prevlocator; //previous locator - protected Locator locator; //current locator - - public void setDocumentLocator (Locator locator0) { - this.locator = locator0; - } - - // - // DocumentHandler methods - // - /** Processing instruction. */ - public void processingInstruction(String target, String data) { - -// System.out.println("target: " + target); -// System.out.println("data: " + data); -// System.out.print("<?"); -// System.out.print(target); -// if (data != null && data.length() > 0) { -// System.out.print(' '); -// System.out.print(data); -// } -// System.out.print("?>"); -// System.out.flush(); - prevlocator = new LocatorImpl(locator); - } // processingInstruction(String,String) - - /** Start document. */ - public void startDocument() { - - prevlocator = new LocatorImpl(locator); - - } // startDocument() - - /** Start element. */ - public void startElement(String uri, String local, String raw, - Attributes attrs) { - XMLNode currentElement; - - /* add root node for this element */ - - if (XMLStructureCreator.DEBUG_MODE) { - if (locator != null && prevlocator != null) { - System.out.println("prevlocator: line " + prevlocator.getLineNumber() + " column " + prevlocator.getColumnNumber() + " id " + prevlocator.getPublicId()); //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ - System.out.println("locator: line " + locator.getLineNumber() + " column " + locator.getColumnNumber() + " id " + locator.getPublicId()); //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ - } - } - - try { - if (XMLStructureCreator.DEBUG_MODE) System.out.println("Node where children field accessed: " + fcurrentParent.getId()); //$NON-NLS-1$ - XMLChildren currentParent = (XMLChildren) fcurrentParent; - currentParent.children++; - String elementId; - String elementName; - IRegion r= fdoc.getLineInformation(prevlocator.getLineNumber()-1); - - String parentSig= fsignature; - fsignature = fsignature + raw + SIGN_SEPARATOR; - - if ( isUseIdMap() && idMap.containsKey(fsignature) ) { - String attrName = (String)idMap.get(fsignature); - elementId = raw + new Character(ID_SEPARATOR) + attrs.getValue(attrName); - elementName = raw + " [" + attrName + "=" + attrs.getValue(attrName) + "]"; //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ - } else { - if ( !currentParent.childElements.containsKey(raw) ) { - currentParent.childElements.put(raw,new Integer(1)); - } else { - currentParent.childElements.put(raw,new Integer(((Integer)currentParent.childElements.get(raw)).intValue()+1)); - } - elementId = raw+new Character(ID_SEPARATOR)+"["+currentParent.childElements.get(raw)+"]"; //$NON-NLS-2$ //$NON-NLS-1$ - elementName = MessageFormat.format("{0} [{1}]",new String[] {raw,currentParent.childElements.get(raw).toString()}); //$NON-NLS-2$ //$NON-NLS-1$ - } - currentElement = new XMLChildren(TYPE_ELEMENT,elementId,elementId,(fsignature+SIGN_ELEMENT),fdoc,r.getOffset()+prevlocator.getColumnNumber()-1,0); - currentElement.setName(elementName); - if ( isUseIdMap() && idMap.containsKey(fsignature)) - currentElement.setUsesIDMAP(true); - if (fOrdered != null && fOrdered.contains(parentSig)) - currentElement.setIsOrderedChild(true); - - fcurrentParent.addChild(currentElement); - currentElement.setParent(fcurrentParent); - fcurrentParent = currentElement; - if (XMLStructureCreator.DEBUG_MODE) System.out.println("\nAdded Element " + raw + " with offset " + r.getOffset()); //$NON-NLS-2$ //$NON-NLS-1$ - if (XMLStructureCreator.DEBUG_MODE) System.out.println("fcurrentParent1: " + fcurrentParent.getId()); //$NON-NLS-1$ - - if (attrs != null) { - if (XMLStructureCreator.DEBUG_MODE) System.out.println("attrs != null, fcurrentParent is " + fcurrentParent.getId()); //$NON-NLS-1$ - //attrs = sortAttributes(attrs); - int len = attrs.getLength(); - int element_lines_length_size; - int[] element_lines_length; - int column_offset; - String element_string; - if (fcurrentParent.getParent().getId().equals(ROOT_ID)) { - element_lines_length_size = locator.getLineNumber()-prevlocator.getLineNumber(); - element_lines_length = new int[element_lines_length_size]; - column_offset = 0; - element_string = ""; //$NON-NLS-1$ - for (int i_ell=0; i_ell<element_lines_length.length; i_ell++) { - IRegion attr_r = fdoc.getLineInformation(i_ell+prevlocator.getLineNumber()); - element_lines_length[i_ell] = fdoc.get(attr_r.getOffset(), attr_r.getLength()).length()+1; - element_string = element_string + fdoc.get(attr_r.getOffset(), attr_r.getLength()) + " "; //$NON-NLS-1$ - } - } else { - element_lines_length_size = locator.getLineNumber()-prevlocator.getLineNumber()+1; - //if (element_lines_length_size < 1) element_lines_length_size = 1; - element_lines_length = new int[element_lines_length_size]; - IRegion first_line = fdoc.getLineInformation(prevlocator.getLineNumber()-1); - column_offset = prevlocator.getColumnNumber()-1; - int first_line_relevant_offset = first_line.getOffset()+column_offset; - int first_line_relevant_length = first_line.getLength()-column_offset; - element_string = fdoc.get(first_line_relevant_offset, first_line_relevant_length) + " "; //$NON-NLS-1$ - element_lines_length[0] = element_string.length(); - for (int i_ell=1; i_ell<element_lines_length.length; i_ell++) { - IRegion attr_r = fdoc.getLineInformation(i_ell+prevlocator.getLineNumber()-1); - element_lines_length[i_ell] = fdoc.get(attr_r.getOffset(), attr_r.getLength()).length()+1; - element_string = element_string + fdoc.get(attr_r.getOffset(), attr_r.getLength()) + " "; //$NON-NLS-1$ - } - } - - for (int i_attr = 0; i_attr < len; i_attr++) { - String attr_name = attrs.getQName(i_attr); - String attr_value = attrs.getValue(i_attr); - - /* find range of attribute in doc; manually parses the line */ - boolean found = false; - int first_quotes = -1; - int second_quotes = -1; - int id_index = -1; - while (!found) { - first_quotes = element_string.indexOf("\"",second_quotes+1); //$NON-NLS-1$ - second_quotes = element_string.indexOf("\"",first_quotes+1); //$NON-NLS-1$ - String value; - try { - value = element_string.substring(first_quotes+1,second_quotes); - } catch (Exception e) { - value = ""; //$NON-NLS-1$ - } - if (value.equals("")) //$NON-NLS-1$ - found = true; - else if (value.equals(attr_value)) { - id_index = element_string.lastIndexOf(attr_name,first_quotes-1); - boolean wrong = false; - boolean found_equal = false; - for (int i_char=id_index+attr_name.length(); i_char<first_quotes && !wrong; i_char++) { - if (element_string.charAt(i_char) == '=') - if (!found_equal) - found_equal = true; - else - wrong = true; - else if (!Character.isWhitespace(element_string.charAt(i_char))) - wrong = true; - } - if (!wrong) found = true; - } - } - //id_index has one char missing for every line (the final cr) - int line_of_index = 0; - for (line_of_index = 0; id_index > element_lines_length[line_of_index]-1; line_of_index++) - id_index -= (element_lines_length[line_of_index]); - if (line_of_index == 0) id_index += column_offset; - if (fcurrentParent.getParent().getId().equals(ROOT_ID)) - line_of_index += prevlocator.getLineNumber(); - else - line_of_index += prevlocator.getLineNumber()-1; - //index at line line_of_index, line offset id_index - int line_of_end_of_value = 0; - int end_of_value_index = second_quotes; - for (line_of_end_of_value = 0; end_of_value_index > element_lines_length[line_of_end_of_value]-1; line_of_end_of_value++) - end_of_value_index -= (element_lines_length[line_of_end_of_value]); - if (line_of_end_of_value == 0) end_of_value_index += column_offset; - if (fcurrentParent.getParent().getId().equals(ROOT_ID)) - line_of_end_of_value += prevlocator.getLineNumber(); - else - line_of_end_of_value += prevlocator.getLineNumber()-1; - //end of value at line line_of_end_of_value, line offset end_of_value_index - - int attr_start_doc_offset = fdoc.getLineInformation(line_of_index).getOffset()+id_index; - //int attr_length_doc_offset = fdoc.getLineInformation(line_of_value).getOffset()+value_index+attr_value.length()+1+(line_of_end_of_value-line_of_index) - attr_start_doc_offset; - int attr_length_doc_offset = fdoc.getLineInformation(line_of_end_of_value).getOffset()+end_of_value_index +1 - attr_start_doc_offset; - currentElement = new XMLNode(TYPE_ATTRIBUTE,attr_name,attr_value,(fsignature+attr_name+SIGN_SEPARATOR+SIGN_ATTRIBUTE),fdoc,attr_start_doc_offset,attr_length_doc_offset); - currentElement.setName(attr_name); - fcurrentParent.addChild(currentElement); - currentElement.setParent(fcurrentParent); - if (XMLStructureCreator.DEBUG_MODE) System.out.println("added attribute " + currentElement.getId() + " with value >" + currentElement.getValue() + "<" + " to element " + fcurrentParent.getId() + " which has parent " + fcurrentParent.getParent().getId()); //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ - } - } - } catch (BadLocationException ex) { - if (XMLStructureCreator.DEBUG_MODE) System.out.println("BadLocationException in startElement(...) " + ex); //$NON-NLS-1$ - currentElement = new XMLChildren(TYPE_ELEMENT,raw+"_("+((XMLChildren)fcurrentParent).children+")",raw+"_("+((XMLChildren)fcurrentParent).children+")",(fsignature+SIGN_ELEMENT),fdoc,0,0); //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ - } - if (XMLStructureCreator.DEBUG_MODE) System.out.println("At the end of startElement(...), fcurrentParent is " + fcurrentParent.getId()); //$NON-NLS-1$ - prevlocator = new LocatorImpl(locator); - } // startElement(String,String,String,Attributes) - - /** Characters. */ - public void characters(char ch[], int start, int length) { - if (!ignoreBodies) { -// String chars = (new String(ch, start, length)).trim(); - String chars= new String(ch, start, length); - if (XMLStructureCreator.DEBUG_MODE) System.out.println("characters: >" + chars + "<"); //$NON-NLS-2$ //$NON-NLS-1$ - if (XMLStructureCreator.DEBUG_MODE) System.out.println("Body Location: line " + locator.getLineNumber() + " column " + locator.getColumnNumber()); //$NON-NLS-2$ //$NON-NLS-1$ - - //if text contains only white space, it will be ignored. - if (!trimWhiteSpace(chars).equals("")) { //$NON-NLS-1$ - if (XMLStructureCreator.DEBUG_MODE) System.out.println("Adding body"); //$NON-NLS-1$ - try { - IRegion r= fdoc.getLineInformation(locator.getLineNumber()-1); - //location returns the END of the characters - //offset of BEGINNING of characters: - int offset = r.getOffset()+locator.getColumnNumber()-1-length; - fcurrentParent.bodies++; - String body_value = new String(ch, start, length); - if (fRemoveWhiteSpace) { - body_value= removeWhiteSpace(body_value); - } - XMLNode bodynode = new XMLNode(TYPE_TEXT,"body_("+fcurrentParent.bodies+")",body_value,(fsignature+SIGN_TEXT),fdoc,offset,length); //$NON-NLS-2$ //$NON-NLS-1$ - bodynode.setName(MessageFormat.format("{0} ({1})",new String[] {XMLCompareMessages.getString("XMLStructureCreator.body"),Integer.toString(fcurrentParent.bodies)})); //$NON-NLS-2$ //$NON-NLS-1$ - fcurrentParent.addChild(bodynode); - bodynode.setParent(fcurrentParent); - if (XMLStructureCreator.DEBUG_MODE) System.out.println("Created body " + fcurrentParent.bodies //$NON-NLS-1$ - + " with offset " + offset + " and length " + length //$NON-NLS-2$ //$NON-NLS-1$ - + " with parent " + bodynode.getParent().getId()); //$NON-NLS-1$ - //bodies as id attributes - String popsig = fcurrentParent.getParent().getSignature(); //signature of parent of parent - popsig = popsig.substring(0,popsig.lastIndexOf(SIGN_ELEMENT)); - if (isUseIdMap() && fcurrentParent.bodies == 1 && idMap.containsKey(popsig)) { - String pid= fcurrentParent.getId();//id of parent - String pelementname= pid.substring(0,pid.indexOf("<"));//name of parent element //$NON-NLS-1$ - if ( ((String)idMap.get(popsig)).equals(ID_TYPE_BODY+pelementname) ) { - XMLNode pop= fcurrentParent.getParent(); - String popid= pop.getId(); - String popelementname= popid.substring(0,popid.indexOf("<")); //$NON-NLS-1$ - pop.setId(popelementname + "<" + body_value); //$NON-NLS-1$ - pop.setOrigId(popelementname + "<" + body_value); //$NON-NLS-1$ - pop.setName(MessageFormat.format("{0} [{1}={2}]",new String[] {popelementname, pelementname, body_value})); //$NON-NLS-1$ - pop.setUsesIDMAP(true); - } - } - } catch (BadLocationException ex) { - if (XMLStructureCreator.DEBUG_MODE) System.out.println("BadLocationException in characters(...) " + ex); //$NON-NLS-1$ - fcurrentParent.addChild(new XMLNode(TYPE_TEXT,"body_("+fcurrentParent.bodies+")",new String(ch, start, length),(fsignature+SIGN_TEXT),fdoc,0,0)); //$NON-NLS-2$ //$NON-NLS-1$ - } - } - } - prevlocator = new LocatorImpl(locator); - } // characters(char[],int,int); - - /** Ignorable whitespace. */ - public void ignorableWhitespace(char ch[], int start, int length) { -// -//// characters(ch, start, length); -//// System.out.flush(); -// - prevlocator = new LocatorImpl(locator); - } // ignorableWhitespace(char[],int,int); - - /** End element. */ - public void endElement(String uri, String local, String raw) { - if (XMLStructureCreator.DEBUG_MODE) System.out.println("\nExiting element " + fcurrentParent.getId()); //$NON-NLS-1$ - - if (XMLStructureCreator.DEBUG_MODE) System.out.println("prevlocator: line " + prevlocator.getLineNumber() + " column " + prevlocator.getColumnNumber() + " id " + prevlocator.getPublicId()); //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ - if (XMLStructureCreator.DEBUG_MODE) System.out.println("locator: line " + locator.getLineNumber() + " column " + locator.getColumnNumber() + " id " + locator.getPublicId()); //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ - - - if (fcurrentParent.getParent() != null) { - try { - IRegion r2= fdoc.getLineInformation(locator.getLineNumber()-1); - Position pos = fcurrentParent.getRange(); - - int elem_length = r2.getOffset()+locator.getColumnNumber()-1 - pos.getOffset();//length of element from start tag to end tag - fcurrentParent.setLength(elem_length); - if (XMLStructureCreator.DEBUG_MODE) System.out.println("pos.getOffset: " + pos.getOffset() + " elem_length: " + elem_length); //$NON-NLS-2$ //$NON-NLS-1$ - if (XMLStructureCreator.DEBUG_MODE) System.out.println("fdoc.get(pos.getOffset()+elem_length-5,4): >" + fdoc.get(pos.getOffset()+elem_length-5,4) + "<"); //$NON-NLS-2$ //$NON-NLS-1$ - //if (fdoc.get(pos.getOffset()+elem_length-2,1) != ">") elem_length-=1; - try { - fcurrentParent.setValue(fdoc.get(pos.getOffset(),elem_length)); - } catch (BadLocationException ex) { - try { - fcurrentParent.setValue(fdoc.get(pos.getOffset(),elem_length-1)); - } catch (BadLocationException ex2) { - if (XMLStructureCreator.DEBUG_MODE) { - System.out.println("BadLocationException in endElement(...) while attempting fcurrentParent.setValue(...): " + ex); //$NON-NLS-1$ - System.out.println("Attempt to correct BadLocationException failed: " + ex2); //$NON-NLS-1$ - } - } - } - if (XMLStructureCreator.DEBUG_MODE) System.out.println("Value of " + fcurrentParent.getId() + " is >" + fcurrentParent.getValue() + "<"); //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ - - //going from ending element to parent element - fcurrentParent = fcurrentParent.getParent(); - if (XMLStructureCreator.DEBUG_MODE) System.out.println("fcurrentParent = fcurrentParent.getParent();"); //$NON-NLS-1$ - } catch (BadLocationException ex) { - if (XMLStructureCreator.DEBUG_MODE) { - System.out.println("BadLocationException in endElement(...): " + ex); //$NON-NLS-1$ - System.out.println("fcurrentParent.getId(): " + fcurrentParent.getId()); //$NON-NLS-1$ - } - } - } else { - if (XMLStructureCreator.DEBUG_MODE) System.out.println("Error: Cannot reach Parent of Parent"); //$NON-NLS-1$ - } - if (XMLStructureCreator.DEBUG_MODE) System.out.println("fcurrentParent is now " + fcurrentParent.getId()); //$NON-NLS-1$ - - prevlocator = new LocatorImpl(locator); - if (XMLStructureCreator.DEBUG_MODE) System.out.println("Signature before cutting: " + fsignature); //$NON-NLS-1$ - int ssi = fsignature.lastIndexOf(SIGN_SEPARATOR);//fsignature separator index - ssi = fsignature.lastIndexOf(SIGN_SEPARATOR,ssi-1);//second-last ".", e.g. in root.a.b. to obtain root.a. - fsignature = fsignature.substring(0,ssi+1); - if (XMLStructureCreator.DEBUG_MODE) System.out.println("Signature after cutting: " + fsignature); //$NON-NLS-1$ - } // endElement(String) - - // - // ErrorHandler methods - // - - /** Warning. */ - public void warning(SAXParseException ex) { - System.err.println("[Warning] "+ //$NON-NLS-1$ - getLocationString(ex)+": "+ //$NON-NLS-1$ - ex.getMessage()); - } - - /** Error. */ - public void error(SAXParseException ex) { - System.err.println("[Error] "+ //$NON-NLS-1$ - getLocationString(ex)+": "+ //$NON-NLS-1$ - ex.getMessage()); - } - - /** Fatal error. */ - public void fatalError(SAXParseException ex) throws SAXException { - System.err.println("[Fatal Error] "+ //$NON-NLS-1$ - getLocationString(ex)+": "+ //$NON-NLS-1$ - ex.getMessage()); - //System.out.println(ex); - //throw ex; - } - - /** Returns a string of the location. */ - private String getLocationString(SAXParseException ex) { - StringBuffer str = new StringBuffer(); - - String systemId = ex.getSystemId(); - if (systemId != null) { - int index = systemId.lastIndexOf('/'); - if (index != -1) - systemId = systemId.substring(index + 1); - str.append(systemId); - } - str.append(':'); - str.append(ex.getLineNumber()); - str.append(':'); - str.append(ex.getColumnNumber()); - - return str.toString(); - - } // getLocationString(SAXParseException):String - - } - - public XMLStructureCreator() { - //set default idmap - fIdMapToUse= DEFAULT_IDMAP; - fUseIdMap= false; - XMLPlugin plugin= XMLPlugin.getDefault(); - //if statement required for tests - if (plugin != null) { - fIdMaps = plugin.getIdMaps(); - fIdMapsInternal = plugin.getIdMapsInternal(); - fIdExtensionToName = plugin.getIdExtensionToName(); - fOrderedElements= plugin.getOrderedElements(); - fOrderedElementsInternal= plugin.getOrderedElementsInternal(); - } - fRemoveWhiteSpace= false; - } - -// public void setNameScheme(String idmap_name) { -// fName = MessageFormat.format("{0} ({1})", new String[] {DEFAULT_NAME,idmap_name}); //$NON-NLS-1$ -// } -// - /** - * This title will be shown in the title bar of the structure compare pane. - */ - public String getName() { - return DEFAULT_NAME; - } - - /** - * Set File extension of the parsed file. This extension will be used to choose an Id Map scheme. - */ - public void setFileExtension(String ext) { - fFileExt= ext; - } - - /** - * Initialize the Id Mappings for the Id Mapping Scheme and the Ordered Elements - * This method must be called before getStructure(Object) is called on the two/three inputs of the compare - */ - public void initIdMaps() { - if (fFirstCall && fFileExt != null) { - fFirstCall = false; - String fileExtLower= fFileExt.toLowerCase(); - if (fIdExtensionToName.containsKey(fileExtLower)) - setIdMap((String)fIdExtensionToName.get(fileExtLower)); - } - - setUseIdMap(); - fOrdered= null; - if (!isUseIdMap()) - idMap = null; - else if (fIdMaps.containsKey(fIdMapToUse)) { - idMap = (HashMap) fIdMaps.get(fIdMapToUse); - } else if (fIdMapsInternal.containsKey(fIdMapToUse)) { - idMap = (HashMap) fIdMapsInternal.get(fIdMapToUse); - } - - if (fOrderedElements != null) - fOrdered= (ArrayList) fOrderedElements.get(fIdMapToUse); - if (fOrdered == null && fOrderedElementsInternal != null) - fOrdered= (ArrayList) fOrderedElementsInternal.get(fIdMapToUse); - } - - /** - * Returns the XML parse tree of the input. - */ - public IStructureComparator getStructure(Object input) { - if (XMLStructureCreator.DEBUG_MODE) System.out.println("Starting parse"); //$NON-NLS-1$ - - if (!(input instanceof IStreamContentAccessor)) - return null; - - IStreamContentAccessor sca= (IStreamContentAccessor) input; - - try { - - //Input parsed with parser.parse(new InputSource(sca.getContents)); - String contents= readString(sca.getContents()); - if (contents == null) - contents= ""; //$NON-NLS-1$ - - fdoc= new Document(contents); - fsignature = ROOT_ID + SIGN_SEPARATOR; - XMLChildren root= new XMLChildren(TYPE_ELEMENT,ROOT_ID, "",(fsignature+SIGN_ELEMENT), fdoc, 0, fdoc.getLength()); //$NON-NLS-1$ - fcurrentParent = root; - - XMLHandler handler = new XMLHandler(); - - try { -// /* original xerces code -// SAXParser parser = (SAXParser)Class.forName(parserName).newInstance(); -// */ -// XMLReader parser = XMLReaderFactory.createXMLReader(parserName); -// -// parser.setFeature( "http://xml.org/sax/features/validation", setValidation); //$NON-NLS-1$ -// parser.setFeature( "http://xml.org/sax/features/namespaces", setNameSpaces ); //$NON-NLS-1$ -// /* -// parser.setFeature( "http://apache.org/xml/features/nonvalidating/load-external-dtd", false); //$NON-NLS-1$ -// parser.setFeature( "http://apache.org/xml/features/validation/schema", setSchemaSupport ); //$NON-NLS-1$ -// parser.setFeature( "http://apache.org/xml/features/validation/schema-full-checking", setSchemaFullSupport); //$NON-NLS-1$ -// */ -// parser.setContentHandler(handler); -// parser.setErrorHandler(handler); -// -// parser.parse(new InputSource(sca.getContents())); - - SAXParserFactory factory = SAXParserFactory.newInstance(); - factory.setNamespaceAware(true); - SAXParser parser = factory.newSAXParser(); - parser.parse(new InputSource(sca.getContents()), handler); - - if (XMLStructureCreator.DEBUG_MODE) System.out.println("End of parse"); //$NON-NLS-1$ - } catch (SAXParseException e) { - XMLPlugin.log(e); - return null; - } catch (Exception e) { -// MessageDialog.openError(XMLPlugin.getActiveWorkbenchShell(),"Error in XML parser","An error occured in the XML parser.\nNo structured compare can be shown"); - XMLPlugin.log(e); - return null; - } - - return root; - } catch (CoreException ex) { - XMLPlugin.log(ex); - } - return null; - } - - public boolean canSave() { - return true; - } - - public boolean canRewriteTree() { - return false; - } - - public void rewriteTree(Differencer differencer, IDiffContainer root) { - } - - public void save(IStructureComparator structure, Object input) { - if (input instanceof IEditableContent && structure instanceof XMLNode) { - IDocument doc= ((XMLNode)structure).getDocument(); - IEditableContent bca= (IEditableContent) input; - String c= doc.get(); - bca.setContent(c.getBytes()); - } - } - - public String getContents(Object node, boolean ignoreWhitespace) { - if (node instanceof XMLNode) { - String s= ((XMLNode)node).getValue(); - if (ignoreWhitespace) - s= s.trim(); - return s; - } - return null; - } - - public IStructureComparator locate(Object path, Object source) { - return null; - } - - /** - * Returns null if an error occurred. - */ - static String readString(InputStream is) { - if (is == null) - return null; - BufferedReader reader= null; - try { - StringBuffer buffer= new StringBuffer(); - char[] part= new char[2048]; - int read= 0; - reader= new BufferedReader(new InputStreamReader(is)); - - while ((read= reader.read(part)) != -1) - buffer.append(part, 0, read); - - return buffer.toString(); - - } catch (IOException ex) { - } finally { - if (reader != null) { - try { - reader.close(); - } catch (IOException ex) { - } - } - } - return null; - } - - /** Returns a sorted list of attributes. */ - /* Taken from SAX2Writer sample of xerces */ - protected Attributes sortAttributes(Attributes attrs) { - - AttributesImpl attributes = new AttributesImpl(); - int len = (attrs != null) ? attrs.getLength() : 0; - for (int i = 0; i < len; i++) { - String name = attrs.getQName(i); - int count = attributes.getLength(); - int j = 0; - while (j < count) { - if (name.compareTo(attributes.getQName(j)) < 0) { - break; - } - j++; - } - attributes.insertAttributeAt(j, name, attrs.getType(i), - attrs.getValue(i)); - } - - return attributes; - - } // sortAttributes(AttributeList):AttributeList - - public void setIdMap(String idmap_name) { - fIdMapToUse= idmap_name; - } - - /** Returns the name of the IdMap Scheme that will be used to set ids. - */ - public String getIdMap() { - return fIdMapToUse; - } - - public void setUseIdMap() { - if (fIdMaps != null && fIdMapsInternal != null) - fUseIdMap= fIdMaps.containsKey(fIdMapToUse) || fIdMapsInternal.containsKey(fIdMapToUse); - } - - public boolean isUseIdMap() { - return fUseIdMap; - } - - public void updateIdMaps() { - fIdMaps = XMLPlugin.getDefault().getIdMaps(); - fOrderedElements= XMLPlugin.getDefault().getOrderedElements(); - } - - protected boolean isWhiteSpace(char c) { - return c == '\t' || c == '\n' || c == '\r' || c == ' '; - } - - protected String removeWhiteSpace(String str) { - str= trimWhiteSpace(str); - StringBuffer retStr= new StringBuffer(); - int start= 0, end= 0; - outer_while: - while (true) { - while ( end < str.length() && !isWhiteSpace(str.charAt(end)) ) { end++; } - if (end > str.length()) break outer_while; - if ( start != 0) retStr.append(' '); - retStr.append(str.substring(start, end)); - end++; - while ( end < str.length() && isWhiteSpace(str.charAt(end)) ) { end++; } - start= end; - } - return retStr.toString(); - } - - protected String trimWhiteSpace(String str) { - int start=0, end= str.length()-1; - while (start < str.length() && isWhiteSpace(str.charAt(start))) { start++; } - if ( start == str.length() ) - return ""; //$NON-NLS-1$ - while (end >= 0 && isWhiteSpace(str.charAt(end))) { end--; } - return str.substring(start, end+1); - } - - public void setRemoveWhiteSpace(boolean removeWhiteSpace) { - fRemoveWhiteSpace= removeWhiteSpace; - } - - public boolean getRemoveWhiteSpace() { - return fRemoveWhiteSpace; - } -} |