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   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2004 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package net.sourceforge.phpdt.internal.corext.template.php;
  12
  13 import java.util.ArrayList;
  14
  15 import org.eclipse.jface.text.templates.TemplateContextType;
  16 import org.eclipse.jface.text.templates.ContextTypeRegistry;
  17 import org.eclipse.jface.text.templates.GlobalTemplateVariables;
  18 import org.eclipse.jface.text.templates.TemplateContext;
  19 import org.eclipse.jface.text.templates.TemplateException;
  20 import org.eclipse.jface.text.templates.TemplateVariable;
  21 import org.eclipse.jface.text.templates.TemplateVariableResolver;
  22
  23 import net.sourceforge.phpdt.core.ToolFactory;
  24 import net.sourceforge.phpdt.core.compiler.IScanner;
  25 import net.sourceforge.phpdt.core.compiler.ITerminalSymbols;
  26 import net.sourceforge.phpdt.core.compiler.InvalidInputException;
  27
  28 import net.sourceforge.phpdt.internal.corext.codemanipulation.StubUtility;
  29
  30 /**
  31   */
  32 public class CodeTemplateContextType extends TemplateContextType {
  33
  34         /* context types */
  35         public static final String CATCHBLOCK_CONTEXTTYPE= "php_catchblock_context"; //$NON-NLS-1$
  36         public static final String METHODBODY_CONTEXTTYPE= "php_methodbody_context"; //$NON-NLS-1$
  37         public static final String CONSTRUCTORBODY_CONTEXTTYPE= "php_constructorbody_context"; //$NON-NLS-1$
  38         public static final String GETTERBODY_CONTEXTTYPE= "php_getterbody_context"; //$NON-NLS-1$
  39         public static final String SETTERBODY_CONTEXTTYPE= "php_setterbody_context"; //$NON-NLS-1$
  40         public static final String NEWTYPE_CONTEXTTYPE= "php_newtype_context"; //$NON-NLS-1$
  41         public static final String TYPECOMMENT_CONTEXTTYPE= "php_typecomment_context"; //$NON-NLS-1$
  42         public static final String FIELDCOMMENT_CONTEXTTYPE= "php_fieldcomment_context"; //$NON-NLS-1$
  43         public static final String METHODCOMMENT_CONTEXTTYPE= "php_methodcomment_context"; //$NON-NLS-1$
  44         public static final String CONSTRUCTORCOMMENT_CONTEXTTYPE= "php_constructorcomment_context"; //$NON-NLS-1$
  45         public static final String OVERRIDECOMMENT_CONTEXTTYPE= "php_overridecomment_context"; //$NON-NLS-1$
  46         public static final String GETTERCOMMENT_CONTEXTTYPE= "php_gettercomment_context"; //$NON-NLS-1$
  47         public static final String SETTERCOMMENT_CONTEXTTYPE= "php_settercomment_context"; //$NON-NLS-1$
  48
  49         /* templates */
  50         public static final String COMMENT_SUFFIX= "comment"; //$NON-NLS-1$
  51         public static final String CATCHBLOCK= "catchblock"; //$NON-NLS-1$
  52         public static final String METHODSTUB= "methodbody"; //$NON-NLS-1$
  53         public static final String NEWTYPE= "newtype"; //$NON-NLS-1$
  54         public static final String CONSTRUCTORSTUB= "constructorbody"; //$NON-NLS-1$
  55         public static final String GETTERSTUB= "getterbody"; //$NON-NLS-1$
  56         public static final String SETTERSTUB= "setterbody"; //$NON-NLS-1$
  57         public static final String TYPECOMMENT= "type" + COMMENT_SUFFIX; //$NON-NLS-1$
  58         public static final String FIELDCOMMENT= "field" + COMMENT_SUFFIX; //$NON-NLS-1$
  59         public static final String METHODCOMMENT= "method" + COMMENT_SUFFIX; //$NON-NLS-1$
  60         public static final String CONSTRUCTORCOMMENT= "constructor" + COMMENT_SUFFIX; //$NON-NLS-1$
  61         public static final String OVERRIDECOMMENT= "override" + COMMENT_SUFFIX; //$NON-NLS-1$
  62         public static final String GETTERCOMMENT= "getter" + COMMENT_SUFFIX; //$NON-NLS-1$
  63         public static final String SETTERCOMMENT= "setter" + COMMENT_SUFFIX; //$NON-NLS-1$
  64
  65         /* resolver types */
  66         public static final String EXCEPTION_TYPE= "exception_type"; //$NON-NLS-1$
  67         public static final String EXCEPTION_VAR= "exception_var"; //$NON-NLS-1$
  68         public static final String ENCLOSING_METHOD= "enclosing_method"; //$NON-NLS-1$
  69         public static final String ENCLOSING_TYPE= "enclosing_type"; //$NON-NLS-1$
  70         public static final String BODY_STATEMENT= "body_statement"; //$NON-NLS-1$
  71         public static final String FIELD= "field"; //$NON-NLS-1$
  72         public static final String FIELD_TYPE= "field_type"; //$NON-NLS-1$
  73         public static final String BARE_FIELD_NAME= "bare_field_name"; //$NON-NLS-1$
  74
  75         public static final String PARAM= "param"; //$NON-NLS-1$
  76         public static final String RETURN_TYPE= "return_type"; //$NON-NLS-1$
  77         public static final String SEE_TAG= "see_to_overridden"; //$NON-NLS-1$
  78
  79         public static final String TAGS= "tags"; //$NON-NLS-1$
  80
  81         public static final String TYPENAME= "type_name"; //$NON-NLS-1$
  82         public static final String FILENAME= "file_name"; //$NON-NLS-1$
  83         public static final String PACKAGENAME= "package_name"; //$NON-NLS-1$
  84         public static final String PROJECTNAME= "project_name"; //$NON-NLS-1$
  85
  86         public static final String PACKAGE_DECLARATION= "package_declaration"; //$NON-NLS-1$
  87         public static final String TYPE_DECLARATION= "type_declaration"; //$NON-NLS-1$
  88         public static final String TYPE_COMMENT= "typecomment"; //$NON-NLS-1$
  89
  90
  91         /**
  92          * Resolver that resolves to the variable defined in the context.
  93          */
  94         public static class CodeTemplateVariableResolver extends TemplateVariableResolver {
  95                 public CodeTemplateVariableResolver(String type, String description) {
  96                         super(type, description);
  97                 }
  98
  99                 protected String resolve(TemplateContext context) {
 100                         return context.getVariable(getType());
 101                 }
 102         }
 103
 104         /**
 105          * Resolver for javadoc tags.
 106          */
 107         public static class TagsVariableResolver extends TemplateVariableResolver {
 108                 public TagsVariableResolver() {
 109                         super(TAGS,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.tags")); //$NON-NLS-1$
 110                 }
 111
 112                 protected String resolve(TemplateContext context) {
 113                         return "@"; //$NON-NLS-1$
 114                 }
 115         }
 116
 117         /**
 118          * Resolver for todo tags.
 119          */
 120         protected static class Todo extends TemplateVariableResolver {
 121
 122                 public Todo() {
 123                         super("todo", JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.todo")); //$NON-NLS-1$ //$NON-NLS-2$
 124                 }
 125
 126                 protected String resolve(TemplateContext context) {
 127                         String todoTaskTag= StubUtility.getTodoTaskTag(((CodeTemplateContext) context).getJavaProject());
 128                         if (todoTaskTag == null)
 129                                 return "XXX"; //$NON-NLS-1$
 130
 131                         return todoTaskTag;
 132                 }
 133         }
 134
 135         private boolean fIsComment;
 136
 137         public CodeTemplateContextType(String contextName) {
 138                 super(contextName);
 139
 140                 fIsComment= false;
 141
 142                 // global
 143                 addResolver(new GlobalTemplateVariables.Dollar());
 144                 addResolver(new GlobalTemplateVariables.Date());
 145                 addResolver(new GlobalTemplateVariables.Year());
 146                 addResolver(new GlobalTemplateVariables.Time());
 147                 addResolver(new GlobalTemplateVariables.User());
 148                 addResolver(new Todo());
 149
 150                 if (CATCHBLOCK_CONTEXTTYPE.equals(contextName)) {
 151                         addResolver(new CodeTemplateVariableResolver(EXCEPTION_TYPE,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.exceptiontype"))); //$NON-NLS-1$
 152                         addResolver(new CodeTemplateVariableResolver(EXCEPTION_VAR,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.exceptionvar"))); //$NON-NLS-1$
 153                 } else if (METHODBODY_CONTEXTTYPE.equals(contextName)) {
 154                         addResolver(new CodeTemplateVariableResolver(ENCLOSING_TYPE,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.enclosingtype"))); //$NON-NLS-1$
 155                         addResolver(new CodeTemplateVariableResolver(ENCLOSING_METHOD,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.enclosingmethod"))); //$NON-NLS-1$
 156                         addResolver(new CodeTemplateVariableResolver(BODY_STATEMENT,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.bodystatement"))); //$NON-NLS-1$
 157                 } else if (CONSTRUCTORBODY_CONTEXTTYPE.equals(contextName)) {
 158                         addResolver(new CodeTemplateVariableResolver(ENCLOSING_TYPE,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.enclosingtype"))); //$NON-NLS-1$
 159                         addResolver(new CodeTemplateVariableResolver(BODY_STATEMENT,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.bodystatement"))); //$NON-NLS-1$
 160                 } else if (GETTERBODY_CONTEXTTYPE.equals(contextName)) {
 161                         addResolver(new CodeTemplateVariableResolver(ENCLOSING_TYPE,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.enclosingtype"))); //$NON-NLS-1$
 162                         addResolver(new CodeTemplateVariableResolver(ENCLOSING_METHOD,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.enclosingmethod"))); //$NON-NLS-1$
 163                         addResolver(new CodeTemplateVariableResolver(FIELD, JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.getterfieldname"))); //$NON-NLS-1$
 164                 } else if (SETTERBODY_CONTEXTTYPE.equals(contextName)) {
 165                         addResolver(new CodeTemplateVariableResolver(ENCLOSING_TYPE,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.enclosingtype"))); //$NON-NLS-1$
 166                         addResolver(new CodeTemplateVariableResolver(ENCLOSING_METHOD,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.enclosingmethod"))); //$NON-NLS-1$
 167                         addResolver(new CodeTemplateVariableResolver(FIELD, JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.getterfieldname"))); //$NON-NLS-1$
 168                         addResolver(new CodeTemplateVariableResolver(PARAM, JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.param"))); //$NON-NLS-1$
 169                 } else if (NEWTYPE_CONTEXTTYPE.equals(contextName)) {
 170                         addResolver(new CodeTemplateVariableResolver(TYPENAME,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.typename"))); //$NON-NLS-1$
 171                         addResolver(new CodeTemplateVariableResolver(PACKAGE_DECLARATION,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.packdeclaration"))); //$NON-NLS-1$
 172                         addResolver(new CodeTemplateVariableResolver(TYPE_DECLARATION,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.typedeclaration"))); //$NON-NLS-1$
 173                         addResolver(new CodeTemplateVariableResolver(TYPE_COMMENT,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.typecomment"))); //$NON-NLS-1$
 174                         addCompilationUnitVariables();
 175                 } else if (TYPECOMMENT_CONTEXTTYPE.equals(contextName)) {
 176                         addResolver(new CodeTemplateVariableResolver(TYPENAME,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.typename"))); //$NON-NLS-1$
 177                         addResolver(new CodeTemplateVariableResolver(ENCLOSING_TYPE,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.enclosingtype"))); //$NON-NLS-1$
 178                         addResolver(new TagsVariableResolver());
 179                         addCompilationUnitVariables();
 180                         fIsComment= true;
 181                 } else if (FIELDCOMMENT_CONTEXTTYPE.equals(contextName)) {
 182                         addResolver(new CodeTemplateVariableResolver(FIELD_TYPE, JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.fieldtype"))); //$NON-NLS-1$
 183                         addResolver(new CodeTemplateVariableResolver(FIELD, JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.fieldname"))); //$NON-NLS-1$
 184                         addCompilationUnitVariables();
 185                         fIsComment= true;
 186                 } else if (METHODCOMMENT_CONTEXTTYPE.equals(contextName)) {
 187                         addResolver(new CodeTemplateVariableResolver(ENCLOSING_TYPE,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.enclosingtype"))); //$NON-NLS-1$
 188                         addResolver(new CodeTemplateVariableResolver(ENCLOSING_METHOD,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.enclosingmethod"))); //$NON-NLS-1$
 189                         addResolver(new CodeTemplateVariableResolver(RETURN_TYPE,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.returntype"))); //$NON-NLS-1$
 190                         addResolver(new TagsVariableResolver());
 191                         addCompilationUnitVariables();
 192                         fIsComment= true;
 193                 } else if (OVERRIDECOMMENT_CONTEXTTYPE.equals(contextName)) {
 194                         addResolver(new CodeTemplateVariableResolver(ENCLOSING_TYPE,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.enclosingtype"))); //$NON-NLS-1$
 195                         addResolver(new CodeTemplateVariableResolver(ENCLOSING_METHOD,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.enclosingmethod"))); //$NON-NLS-1$
 196                         addResolver(new CodeTemplateVariableResolver(SEE_TAG,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.seetag"))); //$NON-NLS-1$
 197                         addResolver(new TagsVariableResolver());
 198                         addCompilationUnitVariables();
 199                         fIsComment= true;
 200                 } else if (CONSTRUCTORCOMMENT_CONTEXTTYPE.equals(contextName)) {
 201                         addResolver(new CodeTemplateVariableResolver(ENCLOSING_TYPE,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.enclosingtype"))); //$NON-NLS-1$
 202                         addResolver(new TagsVariableResolver());
 203                         addCompilationUnitVariables();
 204                         fIsComment= true;
 205                 } else if (GETTERCOMMENT_CONTEXTTYPE.equals(contextName)) {
 206                         addResolver(new CodeTemplateVariableResolver(ENCLOSING_TYPE,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.enclosingtype"))); //$NON-NLS-1$
 207                         addResolver(new CodeTemplateVariableResolver(FIELD_TYPE,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.getterfieldtype"))); //$NON-NLS-1$
 208                         addResolver(new CodeTemplateVariableResolver(FIELD, JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.getterfieldname"))); //$NON-NLS-1$
 209                         addResolver(new CodeTemplateVariableResolver(ENCLOSING_METHOD,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.enclosingmethod"))); //$NON-NLS-1$
 210                         addResolver(new CodeTemplateVariableResolver(BARE_FIELD_NAME, JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.barefieldname"))); //$NON-NLS-1$
 211                         addCompilationUnitVariables();
 212                         fIsComment= true;
 213                 } else if (SETTERCOMMENT_CONTEXTTYPE.equals(contextName)) {
 214                         addResolver(new CodeTemplateVariableResolver(ENCLOSING_TYPE,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.enclosingtype"))); //$NON-NLS-1$
 215                         addResolver(new CodeTemplateVariableResolver(FIELD_TYPE,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.getterfieldtype"))); //$NON-NLS-1$
 216                         addResolver(new CodeTemplateVariableResolver(FIELD, JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.getterfieldname"))); //$NON-NLS-1$
 217                         addResolver(new CodeTemplateVariableResolver(ENCLOSING_METHOD,  JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.enclosingmethod"))); //$NON-NLS-1$
 218                         addResolver(new CodeTemplateVariableResolver(PARAM, JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.param"))); //$NON-NLS-1$
 219                         addResolver(new CodeTemplateVariableResolver(BARE_FIELD_NAME, JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.barefieldname"))); //$NON-NLS-1$
 220                         addCompilationUnitVariables();
 221                         fIsComment= true;
 222                 }
 223         }
 224
 225         private void addCompilationUnitVariables() {
 226                 addResolver(new CodeTemplateVariableResolver(FILENAME, JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.filename"))); //$NON-NLS-1$
 227                 addResolver(new CodeTemplateVariableResolver(PACKAGENAME, JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.packagename"))); //$NON-NLS-1$
 228                 addResolver(new CodeTemplateVariableResolver(PROJECTNAME, JavaTemplateMessages.getString("CodeTemplateContextType.variable.description.projectname"))); //$NON-NLS-1$
 229         }
 230
 231         /*
 232          * @see net.sourceforge.phpdt.internal.corext.template.ContextType#validateVariables(net.sourceforge.phpdt.internal.corext.template.TemplateVariable[])
 233          */
 234         protected void validateVariables(TemplateVariable[] variables) throws TemplateException {
 235                 ArrayList required=  new ArrayList(5);
 236                 String contextName= getId();
 237 //              if (NEWTYPE_CONTEXTTYPE.equals(contextName)) {
 238 //                      required.add(PACKAGE_DECLARATION);
 239 //                      required.add(TYPE_DECLARATION);
 240 //              }
 241                 for (int i= 0; i < variables.length; i++) {
 242                         String type= variables[i].getType();
 243                         if (getResolver(type) == null) {
 244                                 throw new TemplateException(JavaTemplateMessages.getFormattedString("CodeTemplateContextType.validate.unknownvariable", type)); //$NON-NLS-1$
 245                         }
 246                         required.remove(type);
 247                 }
 248                 if (!required.isEmpty()) {
 249                         String missing= (String) required.get(0);
 250                         throw new TemplateException(JavaTemplateMessages.getFormattedString("CodeTemplateContextType.validate.missingvariable", missing)); //$NON-NLS-1$
 251                 }
 252                 super.validateVariables(variables);
 253         }
 254
 255
 256
 257         /* (non-Javadoc)
 258          * @see net.sourceforge.phpdt.internal.corext.template.ContextType#createContext()
 259          */
 260         public TemplateContext createContext() {
 261                 return null;
 262         }
 263
 264         public static void registerContextTypes(ContextTypeRegistry registry) {
 265                 registry.addContextType(new CodeTemplateContextType(CodeTemplateContextType.CATCHBLOCK_CONTEXTTYPE));
 266                 registry.addContextType(new CodeTemplateContextType(CodeTemplateContextType.METHODBODY_CONTEXTTYPE));
 267                 registry.addContextType(new CodeTemplateContextType(CodeTemplateContextType.CONSTRUCTORBODY_CONTEXTTYPE));
 268                 registry.addContextType(new CodeTemplateContextType(CodeTemplateContextType.GETTERBODY_CONTEXTTYPE));
 269                 registry.addContextType(new CodeTemplateContextType(CodeTemplateContextType.SETTERBODY_CONTEXTTYPE));
 270                 registry.addContextType(new CodeTemplateContextType(CodeTemplateContextType.NEWTYPE_CONTEXTTYPE));
 271
 272                 registry.addContextType(new CodeTemplateContextType(CodeTemplateContextType.TYPECOMMENT_CONTEXTTYPE));
 273                 registry.addContextType(new CodeTemplateContextType(CodeTemplateContextType.FIELDCOMMENT_CONTEXTTYPE));
 274                 registry.addContextType(new CodeTemplateContextType(CodeTemplateContextType.METHODCOMMENT_CONTEXTTYPE));
 275                 registry.addContextType(new CodeTemplateContextType(CodeTemplateContextType.CONSTRUCTORCOMMENT_CONTEXTTYPE));
 276                 registry.addContextType(new CodeTemplateContextType(CodeTemplateContextType.OVERRIDECOMMENT_CONTEXTTYPE));
 277                 registry.addContextType(new CodeTemplateContextType(CodeTemplateContextType.GETTERCOMMENT_CONTEXTTYPE));
 278                 registry.addContextType(new CodeTemplateContextType(CodeTemplateContextType.SETTERCOMMENT_CONTEXTTYPE));
 279         }
 280
 281
 282
 283         /*
 284          * @see net.sourceforge.phpdt.internal.corext.template.ContextType#validate(java.lang.String)
 285          */
 286         public void validate(String pattern) throws TemplateException {
 287                 super.validate(pattern);
 288                 if (fIsComment) {
 289                         if (!isValidComment(pattern)) {
 290                                 throw new TemplateException(JavaTemplateMessages.getString("CodeTemplateContextType.validate.invalidcomment")); //$NON-NLS-1$
 291                         }
 292                 }
 293         }
 294
 295
 296         private boolean isValidComment(String template) {
 297                 IScanner scanner= ToolFactory.createScanner(true, false, false, true);// false);
 298                 scanner.setSource(template.toCharArray());
 299                 try {
 300                         int next= scanner.getNextToken();
 301                         while (next == ITerminalSymbols.TokenNameCOMMENT_LINE || next == ITerminalSymbols.TokenNameCOMMENT_PHPDOC || next == ITerminalSymbols.TokenNameCOMMENT_BLOCK) {
 302                                 next= scanner.getNextToken();
 303                         }
 304                         return next == ITerminalSymbols.TokenNameEOF;
 305                 } catch (InvalidInputException e) {
 306                 }
 307                 return false;
 308         }
 309
 310 }