package net.sourceforge.phpeclipse.builder;
+
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
+import java.util.Set;
import java.util.SortedMap;
import java.util.StringTokenizer;
import java.util.TreeMap;
+
import net.sourceforge.phpdt.core.compiler.ITerminalSymbols;
import net.sourceforge.phpdt.core.compiler.InvalidInputException;
import net.sourceforge.phpdt.internal.compiler.parser.Scanner;
import net.sourceforge.phpdt.internal.compiler.parser.SyntaxError;
import net.sourceforge.phpdt.internal.compiler.util.Util;
-import net.sourceforge.phpeclipse.obfuscator.PHPIdentifier;
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+//import net.sourceforge.phpeclipse.obfuscator.PHPIdentifier;
+
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IStatus;
+
/**
* Manages the identifer index information for a specific project
- *
+ *
*/
public class IdentifierIndexManager {
- public class LineCreator implements ITerminalSymbols {
- private Scanner fScanner;
- private int fToken;
- public LineCreator() {
- fScanner = new Scanner(true, false);
- }
- /**
- * Add the information of the current identifier to the line
- *
- * @param typeOfIdentifier
- * the type of the identifier ('c'lass, 'd'efine, 'f'unction,
- * 'm'ethod, 'v'ariable)
- * @param identifier
- * current identifier
- * @param line
- * Buffer for the current index line
- * @param phpdocOffset
- * the offset of the PHPdoc comment if available
- * @param phpdocLength
- * the length of the PHPdoc comment if available
- */
- private void addIdentifierInformation(char typeOfIdentifier,
- char[] identifier, StringBuffer line, int phpdocOffset, int phpdocLength) {
- line.append('\t');
- line.append(typeOfIdentifier);
- line.append(identifier);
- line.append("\to"); // Offset
- line.append(fScanner.getCurrentTokenStartPosition());
- if (phpdocOffset >= 0) {
- line.append("\tp"); // phpdoc offset
- line.append(phpdocOffset);
- line.append("\tl"); // phpdoc length
- line.append(phpdocLength);
- }
- }
- /**
- * Get the next token from input
- */
- private void getNextToken() {
- try {
- fToken = fScanner.getNextToken();
- if (Scanner.DEBUG) {
- int currentEndPosition = fScanner.getCurrentTokenEndPosition();
- int currentStartPosition = fScanner.getCurrentTokenStartPosition();
- System.out.print(currentStartPosition + "," + currentEndPosition
- + ": ");
- System.out.println(fScanner.toStringAction(fToken));
- }
- return;
- } catch (InvalidInputException e) {
- // ignore errors
- }
- fToken = TokenNameERROR;
- }
- private void parseDeclarations(char[] parent, StringBuffer buf,
- boolean goBack) {
- char[] ident;
- char[] classVariable;
- int counter = 0;
- int phpdocOffset = -1;
- int phpdocLength = -1;
- try {
- while (fToken != TokenNameEOF && fToken != TokenNameERROR) {
- phpdocOffset = -1;
- if (fToken == TokenNameCOMMENT_PHPDOC) {
- phpdocOffset = fScanner.getCurrentTokenStartPosition();
- phpdocLength = fScanner.getCurrentTokenEndPosition()
- - fScanner.getCurrentTokenStartPosition() + 1;
- getNextToken();
- if (fToken == TokenNameEOF || fToken == TokenNameERROR) {
- break;
- }
- }
- if (fToken == TokenNamevar || fToken == TokenNamepublic
- || fToken == TokenNameprotected || fToken == TokenNameprivate) {
- getNextToken();
- if (fToken == TokenNameVariable) {
- ident = fScanner.getCurrentIdentifierSource();
- classVariable = new char[ident.length - 1];
- System.arraycopy(ident, 1, classVariable, 0, ident.length - 1);
- addIdentifierInformation('v', classVariable, buf, phpdocOffset,
- phpdocLength);
- getNextToken();
- }
- } else if (fToken == TokenNamefunction) {
- getNextToken();
- if (fToken == TokenNameAND) {
- getNextToken();
- }
- if (fToken == TokenNameIdentifier) {
- ident = fScanner.getCurrentIdentifierSource();
- if (parent != null && equalCharArrays(parent, ident)) {
- // constructor function
- addIdentifierInformation('k', ident, buf, phpdocOffset,
- phpdocLength);
- } else {
- if (parent != null) {
- // class method function
- addIdentifierInformation('m', ident, buf, phpdocOffset,
- phpdocLength);
- } else {
- // nested function ?!
- addIdentifierInformation('f', ident, buf, phpdocOffset,
- phpdocLength);
- }
- }
- getNextToken();
- parseDeclarations(null, buf, true);
- }
- } else if (fToken == TokenNameclass) {
- getNextToken();
- if (fToken == TokenNameIdentifier) {
- ident = fScanner.getCurrentIdentifierSource();
- addIdentifierInformation('c', ident, buf, phpdocOffset,
- phpdocLength);
- getNextToken();
- //skip tokens for classname, extends and others until we have
- // the opening '{'
- while (fToken != TokenNameLBRACE && fToken != TokenNameEOF
- && fToken != TokenNameERROR) {
- getNextToken();
- }
- parseDeclarations(ident, buf, true);
- }
- } else if (fToken == TokenNameIdentifier) {
- ident = fScanner.getCurrentIdentifierSource();
- getNextToken();
- if (ident.length==6 &&
- ident[0]=='d' &&
- ident[1]=='e' &&
- ident[2]=='f' &&
- ident[3]=='i' &&
- ident[4]=='n' &&
- ident[5]=='e') {
- if (fToken == TokenNameLPAREN) {
- getNextToken();
- if (fToken == TokenNameStringLiteral) {
- ident = fScanner.getCurrentStringLiteralSource();
- addIdentifierInformation('d', ident, buf, phpdocOffset,
- phpdocLength);
- getNextToken();
- }
- }
- }
- } else if ((fToken == TokenNameLBRACE)
- || (fToken == TokenNameDOLLAR_LBRACE)) {
- getNextToken();
- counter++;
- } else if (fToken == TokenNameRBRACE) {
- getNextToken();
- --counter;
- if (counter == 0 && goBack) {
- return;
- }
- } else {
- getNextToken();
- }
- }
- } catch (SyntaxError e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- }
- }
- public void parseIdentifiers(char[] charArray, StringBuffer buf) {
- char[] ident;
- String identifier;
- int counter = 0;
- int phpdocOffset = -1;
- int phpdocLength = -1;
- fScanner.setSource(charArray);
- fScanner.setPHPMode(false);
- fToken = TokenNameEOF;
- getNextToken();
- try {
- while (fToken != TokenNameEOF && fToken != TokenNameERROR) {
- phpdocOffset = -1;
- if (fToken == TokenNameCOMMENT_PHPDOC) {
- phpdocOffset = fScanner.getCurrentTokenStartPosition();
- phpdocLength = fScanner.getCurrentTokenEndPosition()
- - fScanner.getCurrentTokenStartPosition() + 1;
- getNextToken();
- if (fToken == TokenNameEOF || fToken == TokenNameERROR) {
- break;
- }
- }
- if (fToken == TokenNamefunction) {
- getNextToken();
- if (fToken == TokenNameAND) {
- getNextToken();
- }
- if (fToken == TokenNameIdentifier) {
- ident = fScanner.getCurrentIdentifierSource();
- addIdentifierInformation('f', ident, buf, phpdocOffset,
- phpdocLength);
- getNextToken();
- parseDeclarations(null, buf, true);
- }
- } else if (fToken == TokenNameclass) {
- getNextToken();
- if (fToken == TokenNameIdentifier) {
- ident = fScanner.getCurrentIdentifierSource();
- addIdentifierInformation('c', ident, buf, phpdocOffset,
- phpdocLength);
- getNextToken();
- //skip fTokens for classname, extends and others until we have
- // the opening '{'
- while (fToken != TokenNameLBRACE && fToken != TokenNameEOF
- && fToken != TokenNameERROR) {
- getNextToken();
- }
- parseDeclarations(ident, buf, true);
- }
- } else if (fToken == TokenNameIdentifier) {
- ident = fScanner.getCurrentIdentifierSource();
- getNextToken();
- if (ident.length==6 &&
- ident[0]=='d' &&
- ident[1]=='e' &&
- ident[2]=='f' &&
- ident[3]=='i' &&
- ident[4]=='n' &&
- ident[5]=='e') {
- if (fToken == TokenNameLPAREN) {
- getNextToken();
- if (fToken == TokenNameStringLiteral) {
- ident = fScanner.getCurrentStringLiteralSource();
- addIdentifierInformation('d', ident, buf, phpdocOffset,
- phpdocLength);
- getNextToken();
- }
- }
- }
- } else {
- getNextToken();
- }
- }
- } catch (SyntaxError e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- }
- }
- }
- class StringComparator implements Comparator {
- public int compare(Object o1, Object o2) {
- String s1 = (String) o1;
- String s2 = (String) o2;
- return s1.compareTo(s2);
- // return s1.toUpperCase().compareTo(s2.toUpperCase());
- }
- public boolean equals(Object o) {
- String s = (String) o;
- return compare(this, o) == 0;
- }
- }
- private HashMap fFileMap;
- private String fFilename;
- private TreeMap fIndentifierMap;
- public IdentifierIndexManager(String filename) {
- fFilename = filename;
- initialize();
- readFile();
- }
- /**
- * Check if 2 char arrays are equal
- *
- * @param a
- * @param b
- * @return
- */
- private static boolean equalCharArrays(char[] a, char[] b) {
- if (a.length != b.length) {
- return false;
- }
- for (int i = 0; i < b.length; i++) {
- if (a[i] != b[i]) {
- return false;
- }
- }
- return true;
- }
- /**
- * Add the information for a given IFile resource
- *
- */
- public void addFile(IFile fileToParse) {
- // InputStream iStream;
- LineCreator lineCreator = new LineCreator();
- try {
- // iStream = fileToParse.getContents();
- //
- // StringBuffer buf = new StringBuffer();
- // int c0;
- // try {
- // while ((c0 = iStream.read()) != (-1)) {
- // buf.append((char) c0);
- // }
- // } catch (IOException e) {
- // return;
- // }
- InputStream stream = null;
- try {
- stream = new BufferedInputStream(fileToParse.getContents());
- StringBuffer lineBuffer = new StringBuffer();
- lineBuffer.append(fileToParse.getFullPath().toString());
- int lineLength = lineBuffer.length();
- // lineCreator.parseIdentifiers(buf.toString().toCharArray(),
- // lineBuffer);
- lineCreator.parseIdentifiers(Util.getInputStreamAsCharArray(stream, -1,
- null), lineBuffer);
- if (lineLength != lineBuffer.length()) {
- addLine(lineBuffer.toString());
- }
- } catch (IOException e) {
- return;
- } finally {
- try {
- if (stream != null) {
- stream.close();
- }
- } catch (IOException e) {
- }
- }
- } catch (CoreException e1) {
- // TODO Auto-generated catch block
- e1.printStackTrace();
- }
- }
- /**
- * Adds a line of the index file for function, class, class-method and
- * class-variable names
- *
- * @param line
- */
- private void addLine(String line) {
- StringTokenizer tokenizer;
- String phpFileName = null;
- String token;
- String identifier = null;
- String classname = null;
- String offset = null;
- PHPIdentifierLocation phpIdentifier = null;
- boolean tokenExists = false;
- tokenizer = new StringTokenizer(line, "\t");
- // first token contains the filename:
- if (tokenizer.hasMoreTokens()) {
- phpFileName = tokenizer.nextToken();
- //System.out.println(token);
- } else {
- return;
- }
- // all the other tokens are identifiers:
- while (tokenizer.hasMoreTokens()) {
- token = tokenizer.nextToken();
- //System.out.println(token);
- switch (token.charAt(0)) {
- case 'c' :
- // class name
- identifier = token.substring(1);
- classname = identifier;
- phpIdentifier = new PHPIdentifierLocation(identifier,
- PHPIdentifier.CLASS, phpFileName);
- break;
- case 'd' :
- // define
- identifier = token.substring(1);
- phpIdentifier = new PHPIdentifierLocation(identifier,
- PHPIdentifier.DEFINE, phpFileName);
- break;
- case 'f' :
- // function name
- identifier = token.substring(1);
- phpIdentifier = new PHPIdentifierLocation(identifier,
- PHPIdentifier.FUNCTION, phpFileName);
- break;
- case 'k' :
- // constructor function name
- identifier = token.substring(1);
- phpIdentifier = new PHPIdentifierLocation(identifier,
- PHPIdentifier.CONSTRUCTOR, phpFileName);
- break;
- case 'm' :
- //method inside a class
- identifier = token.substring(1);
- phpIdentifier = new PHPIdentifierLocation(identifier,
- PHPIdentifier.METHOD, phpFileName, classname);
- break;
- case 'v' :
- // variable inside a class
- identifier = token.substring(1);
- phpIdentifier = new PHPIdentifierLocation(identifier,
- PHPIdentifier.VARIABLE, phpFileName, classname);
- break;
- case 'o' :
- // offset information
- identifier = null;
- if (phpIdentifier != null) {
- offset = token.substring(1);
- phpIdentifier.setOffset(Integer.parseInt(offset));
- }
- break;
- case 'p' :
- // PHPdoc offset information
- identifier = null;
- if (phpIdentifier != null) {
- offset = token.substring(1);
- phpIdentifier.setPHPDocOffset(Integer.parseInt(offset));
- }
- break;
- case 'l' :
- // PHPdoc length information
- identifier = null;
- if (phpIdentifier != null) {
- offset = token.substring(1);
- phpIdentifier.setPHPDocLength(Integer.parseInt(offset));
- }
- break;
- default :
- identifier = null;
- phpIdentifier = null;
- classname = null;
- }
- if (identifier != null && phpIdentifier != null) {
- tokenExists = true;
- ArrayList list = (ArrayList) fIndentifierMap.get(identifier);
- if (list == null) {
- list = new ArrayList();
- list.add(phpIdentifier);
- fIndentifierMap.put(identifier, list);
- } else {
- boolean flag = false;
- for (int i = 0; i < list.size(); i++) {
- if (list.get(i).equals(phpIdentifier)) {
- flag = true;
- break;
- }
- }
- if (flag == false) {
- list.add(phpIdentifier);
- }
- }
- }
- }
- if (tokenExists) {
- fFileMap.put(phpFileName, line);
- }
- }
- /**
- * Change the information for a given IFile resource
- *
- */
- public void changeFile(IFile fileToParse) {
- removeFile(fileToParse);
- addFile(fileToParse);
- }
- /**
- * Get a list of all PHPIdentifierLocation object's associated with an
- * identifier
- *
- * @param identifier
- * @return
- */
- public List getLocations(String identifier) {
- return (List) fIndentifierMap.get(identifier);
- }
- /**
- * Initialize (i.e. clear) the current index information
- *
- */
- public void initialize() {
- fIndentifierMap = new TreeMap(new StringComparator());
- fFileMap = new HashMap();
- }
- private void readFile() {
- FileReader fileReader;
- try {
- fileReader = new FileReader(fFilename);
- BufferedReader bufferedReader = new BufferedReader(fileReader);
- String line;
- while (bufferedReader.ready()) {
- // all entries for one file are in a line
- // separated by tabs !
- line = bufferedReader.readLine();
- addLine(line);
- }
- fileReader.close();
- } catch (FileNotFoundException e) {
- // ignore this
- // TODO DialogBox which asks the user if she/he likes to build new index?
- } catch (IOException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- }
- }
- /**
- * Remove the information for a given IFile resource
- *
- */
- public void removeFile(IFile fileToParse) {
- // String line = (String)
- // fFileMap.get(fileToParse.getLocation().toString());
- String line = (String) fFileMap.get(fileToParse.getFullPath().toString());
- if (line != null) {
- removeLine(line);
- }
- }
- /**
- * Removes a line of the index file for function, class, class-method and
- * class-variable names
- *
- * @param line
- */
- private void removeLine(String line) {
- StringTokenizer tokenizer;
- String phpFileName = null;
- String token;
- String identifier = null;
- String classname = null;
- PHPIdentifier phpIdentifier = null;
- boolean tokenExists = false;
- tokenizer = new StringTokenizer(line, "\t");
- // first token contains the filename:
- if (tokenizer.hasMoreTokens()) {
- phpFileName = tokenizer.nextToken();
- //System.out.println(token);
- } else {
- return;
- }
- // all the other tokens are identifiers:
- while (tokenizer.hasMoreTokens()) {
- token = tokenizer.nextToken();
- //System.out.println(token);
- switch (token.charAt(0)) {
- case 'c' :
- // class name
- identifier = token.substring(1);
- classname = identifier;
- phpIdentifier = new PHPIdentifierLocation(identifier,
- PHPIdentifier.CLASS, phpFileName);
- break;
- case 'd' :
- // define
- identifier = token.substring(1);
- phpIdentifier = new PHPIdentifierLocation(identifier,
- PHPIdentifier.DEFINE, phpFileName);
- break;
- case 'f' :
- // function name
- identifier = token.substring(1);
- phpIdentifier = new PHPIdentifierLocation(identifier,
- PHPIdentifier.FUNCTION, phpFileName);
- break;
- case 'k' :
- // constructor function name
- identifier = token.substring(1);
- phpIdentifier = new PHPIdentifierLocation(identifier,
- PHPIdentifier.CONSTRUCTOR, phpFileName);
- break;
- case 'm' :
- //method inside a class
- identifier = token.substring(1);
- phpIdentifier = new PHPIdentifierLocation(identifier,
- PHPIdentifier.METHOD, phpFileName, classname);
- break;
- case 'v' :
- // variable inside a class
- identifier = token.substring(1);
- phpIdentifier = new PHPIdentifierLocation(identifier,
- PHPIdentifier.VARIABLE, phpFileName, classname);
- break;
- default :
- identifier = null;
- phpIdentifier = null;
- classname = null;
- }
- if (identifier != null && phpIdentifier != null) {
- ArrayList list = (ArrayList) fIndentifierMap.get(identifier);
- if (list == null) {
- } else {
- for (int i = 0; i < list.size(); i++) {
- if (list.get(i).equals(phpIdentifier)) {
- list.remove(i);
- break;
- }
- }
- if (list.size() == 0) {
- fIndentifierMap.remove(identifier);
- }
- }
- }
- }
- fFileMap.remove(phpFileName);
- }
- /**
- * Save the current index information in the projects index file
- *
- */
- public void writeFile() {
- FileWriter fileWriter;
- try {
- fileWriter = new FileWriter(fFilename);
- String line;
- Collection collection = fFileMap.values();
- Iterator iterator = collection.iterator();
- while (iterator.hasNext()) {
- line = (String) iterator.next();
- fileWriter.write(line + '\n');
- }
- fileWriter.close();
- } catch (FileNotFoundException e) {
- // ignore exception; project is deleted by user
- } catch (IOException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- }
- }
- /**
- * @param fromKey
- * @param toKey
- * @return
- */
- public SortedMap getIdentifierMap() {
- return fIndentifierMap;
- }
+ public class LineCreator implements ITerminalSymbols {
+ private Scanner fScanner;
+
+ private int fToken;
+
+ public LineCreator() {
+ fScanner = new Scanner(true, false, false, false, true, null, null,
+ true /* taskCaseSensitive */);
+ }
+
+ /**
+ * Add the information of the current identifier to the line
+ *
+ * @param typeOfIdentifier
+ * the type of the identifier ('c'lass, 'd'efine, 'f'unction,
+ * 'm'ethod(class), 'v'ariable(class) 'g'lobal variable)
+ * @param identifier
+ * current identifier
+ * @param line
+ * Buffer for the current index line
+ */
+ private void addIdentifierInformation(char typeOfIdentifier,
+ char[] identifier, StringBuffer line) {
+ line.append('\t');
+ line.append(typeOfIdentifier);
+ line.append(identifier);
+ }
+
+ /**
+ * Add the information of the current identifier to the line
+ *
+ * @param typeOfIdentifier
+ * the type of the identifier ('c'lass, 'd'efine, 'f'unction,
+ * 'm'ethod(class), 'v'ariable(class) 'g'lobal variable)
+ * @param identifier
+ * current identifier
+ * @param line
+ * Buffer for the current index line
+ * @param phpdocOffset
+ * the offset of the PHPdoc comment if available
+ * @param phpdocLength
+ * the length of the PHPdoc comment if available
+ */
+ private void addIdentifierInformation(char typeOfIdentifier,
+ char[] identifier, StringBuffer line, int phpdocOffset,
+ int phpdocLength) {
+ line.append('\t');
+ line.append(typeOfIdentifier);
+ line.append(identifier);
+ line.append("\to"); // Offset
+ line.append(fScanner.getCurrentTokenStartPosition());
+ if (phpdocOffset >= 0) {
+ line.append("\tp"); // phpdoc offset
+ line.append(phpdocOffset);
+ line.append("\tl"); // phpdoc length
+ line.append(phpdocLength);
+ }
+ }
+
+ private void addClassVariableInformation(char typeOfIdentifier,
+ char[] identifier, StringBuffer line, int phpdocOffset,
+ int phpdocLength) {
+ line.append('\t');
+ line.append(typeOfIdentifier);
+ line.append(identifier);
+ line.append("\to"); // Offset
+ // we don't store the '$' in the index for class variables:
+ line.append(fScanner.getCurrentTokenStartPosition() + 1);
+ if (phpdocOffset >= 0) {
+ line.append("\tp"); // phpdoc offset
+ line.append(phpdocOffset);
+ line.append("\tl"); // phpdoc length
+ line.append(phpdocLength);
+ }
+ }
+
+ /**
+ * Get the next token from input
+ */
+ private void getNextToken() throws InvalidInputException {
+ // try {
+ fToken = fScanner.getNextToken();
+ if (Scanner.DEBUG) {
+ int currentEndPosition = fScanner.getCurrentTokenEndPosition();
+ int currentStartPosition = fScanner
+ .getCurrentTokenStartPosition();
+ System.out.print(currentStartPosition + ","
+ + currentEndPosition + ": ");
+ System.out.println(fScanner.toStringAction(fToken));
+ }
+ return;
+ }
+
+ private void skipComments()
+ {
+ try {
+ getNextToken();
+ while (fToken == TokenNameCOMMENT_BLOCK || fToken == TokenNameCOMMENT_PHPDOC) {
+ getNextToken();
+ }
+ } catch (InvalidInputException e1) {
+ // TODO Auto-generated catch block
+ e1.printStackTrace();
+ }
+ }
+
+ private void parseDeclarations(char[] parent, StringBuffer buf,
+ boolean goBack) {
+ char[] ident;
+ char[] classVariable;
+ int counter = 0;
+ boolean hasModifiers = false;
+ int phpdocOffset = -1;
+ int phpdocLength = -1;
+ try {
+ while (fToken != TokenNameEOF && fToken != TokenNameERROR) {
+ phpdocOffset = -1;
+ hasModifiers = false;
+ if (fToken == TokenNameCOMMENT_PHPDOC) {
+ phpdocOffset = fScanner.getCurrentTokenStartPosition();
+ phpdocLength = fScanner.getCurrentTokenEndPosition()
+ - fScanner.getCurrentTokenStartPosition() + 1;
+ getNextToken();
+ while (fToken == TokenNamestatic
+ || fToken == TokenNamefinal
+ || fToken == TokenNamepublic
+ || fToken == TokenNameprotected
+ || fToken == TokenNameprivate
+ || fToken == TokenNameabstract) {
+ hasModifiers = true;
+ getNextToken();
+ }
+ if (fToken == TokenNameEOF || fToken == TokenNameERROR) {
+ break;
+ }
+ }
+ if (fToken == TokenNamefunction) {
+ skipComments();
+ if (fToken == TokenNameAND) {
+ getNextToken();
+ }
+ if (fToken == TokenNameIdentifier) {
+ ident = fScanner.getCurrentIdentifierSource();
+ if (parent != null
+ && equalCharArrays(parent, ident)) {
+ // constructor function
+ addIdentifierInformation('k', ident, buf,
+ phpdocOffset, phpdocLength);
+ } else {
+ if (parent != null) {
+ // class method function
+ addIdentifierInformation('m', ident, buf,
+ phpdocOffset, phpdocLength);
+ } else {
+ // nested function ?!
+ addIdentifierInformation('f', ident, buf,
+ phpdocOffset, phpdocLength);
+ }
+ }
+ skipComments();
+ parseDeclarations(null, buf, true);
+ }
+ } else if (fToken == TokenNameclass
+ || fToken == TokenNameinterface) {
+ skipComments();
+ if (fToken == TokenNameIdentifier) {
+ ident = fScanner.getCurrentIdentifierSource();
+ addIdentifierInformation('c', ident, buf,
+ phpdocOffset, phpdocLength);
+ skipComments();
+ if (fToken == TokenNameextends) {
+ skipComments();
+ while (fToken == TokenNameIdentifier) {
+ ident = fScanner
+ .getCurrentIdentifierSource();
+ // extends ident
+ addIdentifierInformation('e', ident, buf);
+ skipComments();
+ if (fToken == TokenNameCOMMA) {
+ skipComments();
+ }
+ }
+ }
+ if (fToken == TokenNameimplements) {
+ skipComments();
+ while (fToken == TokenNameIdentifier) {
+ ident = fScanner
+ .getCurrentIdentifierSource();
+ // implements ident
+ addIdentifierInformation('e', ident, buf);
+ skipComments();
+ if (fToken == TokenNameCOMMA) {
+ skipComments();
+// getNextToken();
+ }
+ }
+ }
+ // skip tokens for classname, extends and others
+ // until we have
+ // the opening '{'
+ while (fToken != TokenNameLBRACE
+ && fToken != TokenNameEOF
+ && fToken != TokenNameERROR) {
+ getNextToken();
+ }
+ parseDeclarations(ident, buf, true);
+ }
+ } else if (fToken == TokenNamevar || hasModifiers
+ || fToken == TokenNamestatic
+ || fToken == TokenNamefinal
+ || fToken == TokenNamepublic
+ || fToken == TokenNameprotected
+ || fToken == TokenNameprivate) {
+ while (fToken == TokenNamevar
+ || fToken == TokenNamestatic
+ || fToken == TokenNamefinal
+ || fToken == TokenNamepublic
+ || fToken == TokenNameprotected
+ || fToken == TokenNameprivate) {
+ skipComments();
+ }
+ while (fToken == TokenNameVariable) {
+ ident = fScanner.getCurrentIdentifierSource();
+ classVariable = new char[ident.length - 1];
+ System.arraycopy(ident, 1, classVariable, 0,
+ ident.length - 1);
+ addClassVariableInformation('v', classVariable,
+ buf, phpdocOffset, phpdocLength);
+ skipComments();
+ if (fToken == TokenNameCOMMA) {
+ skipComments();
+ }
+ }
+ } else if (!hasModifiers && fToken == TokenNameIdentifier) {
+ ident = fScanner.getCurrentIdentifierSource();
+ getNextToken();
+ if (ident.length == 6 && ident[0] == 'd'
+ && ident[1] == 'e' && ident[2] == 'f'
+ && ident[3] == 'i' && ident[4] == 'n'
+ && ident[5] == 'e') {
+ if (fToken == TokenNameLPAREN) {
+ getNextToken();
+ if (fToken == TokenNameStringDoubleQuote) {
+ ident = fScanner
+ .getCurrentStringLiteralSource();
+ addIdentifierInformation('d', ident, buf,
+ phpdocOffset, phpdocLength);
+ getNextToken();
+ } else if (fToken == TokenNameStringSingleQuote) {
+ ident = fScanner
+ .getCurrentStringLiteralSource();
+ addIdentifierInformation('d', ident, buf,
+ phpdocOffset, phpdocLength);
+ getNextToken();
+ }
+ }
+ }
+ } else if (fToken == TokenNameglobal) {
+ // global variable
+ while (fToken != TokenNameEOF
+ && fToken != TokenNameERROR
+ && fToken != TokenNameSEMICOLON
+ && fToken != TokenNameLBRACE
+ && fToken != TokenNameRBRACE) {
+ getNextToken();
+ if (fToken == TokenNameVariable) {
+ ident = fScanner.getCurrentIdentifierSource();
+ addIdentifierInformation('g', ident, buf,
+ phpdocOffset, phpdocLength);
+ }
+ }
+ } else if (fToken == TokenNameLBRACE) {
+ getNextToken();
+ counter++;
+ } else if (fToken == TokenNameRBRACE) {
+ getNextToken();
+ --counter;
+ if (counter == 0 && goBack) {
+ return;
+ }
+ } else {
+ getNextToken();
+ }
+ }
+ } catch (InvalidInputException e) {
+ // ignore errors
+ } catch (SyntaxError e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+
+ synchronized public void parseIdentifiers(char[] charArray,
+ StringBuffer buf) {
+ char[] ident;
+ String identifier;
+ boolean hasModifiers = false;
+ int phpdocOffset = -1;
+ int phpdocLength = -1;
+ fScanner.setSource(charArray);
+ fScanner.setPHPMode(false);
+ fToken = TokenNameEOF;
+ try {
+ getNextToken();
+ while (fToken != TokenNameEOF) { // && fToken !=
+ // TokenNameERROR) {
+ phpdocOffset = -1;
+ hasModifiers = false;
+ switch (fToken) {
+ case TokenNameCOMMENT_PHPDOC:
+ phpdocOffset = fScanner.getCurrentTokenStartPosition();
+ phpdocLength = fScanner.getCurrentTokenEndPosition()
+ - fScanner.getCurrentTokenStartPosition() + 1;
+ getNextToken();
+ while (fToken == TokenNamestatic
+ || fToken == TokenNamefinal
+ || fToken == TokenNamepublic
+ || fToken == TokenNameprotected
+ || fToken == TokenNameprivate
+ || fToken == TokenNameabstract) {
+ hasModifiers = true;
+ getNextToken();
+ }
+ if (fToken == TokenNameEOF || fToken == TokenNameERROR) {
+ break;
+ }
+ break;
+
+ case TokenNamefunction:
+ skipComments();
+ if (fToken == TokenNameAND) {
+ getNextToken();
+ }
+ if (fToken == TokenNameIdentifier) {
+ ident = fScanner.getCurrentIdentifierSource();
+ addIdentifierInformation('f', ident, buf,
+ phpdocOffset, phpdocLength);
+ skipComments();
+ if (fToken == TokenNameLPAREN) {
+ skipComments();
+ do {
+ if (fToken == TokenNameVariable) {
+ ident = fScanner.getCurrentIdentifierSource();
+ addIdentifierInformation('v', ident, buf,
+ phpdocOffset, phpdocLength);
+ skipComments();
+ if (fToken == TokenNameCOMMA) {
+ skipComments();
+ }
+ }
+ } while (fToken != TokenNameRPAREN );
+ }
+ parseDeclarations(null, buf, true);
+ }
+ break;
+
+ case TokenNameclass:
+ case TokenNameinterface:
+ skipComments();
+ if (fToken == TokenNameIdentifier) {
+ ident = fScanner.getCurrentIdentifierSource();
+ addIdentifierInformation('c', ident, buf,
+ phpdocOffset, phpdocLength);
+ skipComments();
+ if (fToken == TokenNameextends) {
+ skipComments();
+ while (fToken == TokenNameIdentifier) {
+ ident = fScanner
+ .getCurrentIdentifierSource();
+ // extends ident
+ addIdentifierInformation('e', ident, buf);
+ skipComments();
+ if (fToken == TokenNameCOMMA) {
+ skipComments();
+ }
+ }
+ }
+ if (fToken == TokenNameimplements) {
+ skipComments();
+ while (fToken == TokenNameIdentifier) {
+ ident = fScanner
+ .getCurrentIdentifierSource();
+ // implements ident
+ addIdentifierInformation('e', ident, buf);
+ skipComments();
+ if (fToken == TokenNameCOMMA) {
+ skipComments();
+ }
+ }
+ }
+ // skip fTokens for classname, extends and others
+ // until we have
+ // the opening '{'
+ while (fToken != TokenNameLBRACE
+ && fToken != TokenNameEOF
+ && fToken != TokenNameERROR) {
+ getNextToken();
+ }
+ parseDeclarations(ident, buf, true);
+ }
+ break;
+
+ case TokenNameVariable:
+ // global variable
+ ident = fScanner.getCurrentIdentifierSource();
+ addIdentifierInformation('g', ident, buf, phpdocOffset,
+ phpdocLength);
+ getNextToken();
+ break;
+
+ default:
+ getNextToken();
+ }
+
+ }
+ } catch (InvalidInputException e) {
+ // ignore errors
+ } catch (SyntaxError e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+ }
+
+ class StringComparator implements Comparator {
+ public int compare(Object o1, Object o2) {
+ String s1 = (String) o1;
+ String s2 = (String) o2;
+ return s1.compareTo(s2);
+ // return s1.toUpperCase().compareTo(s2.toUpperCase());
+ }
+
+ public boolean equals(Object o) {
+ String s = (String) o;
+ return compare(this, o) == 0;
+ }
+ }
+
+ private HashMap fFileMap;
+
+ private String fFilename;
+
+ private TreeMap fIndentifierMap;
+
+ public IdentifierIndexManager(String filename) {
+ fFilename = filename;
+ initialize();
+ readFile();
+ }
+
+ /**
+ * Check if 2 char arrays are equal
+ *
+ * @param a
+ * @param b
+ * @return
+ */
+ private static boolean equalCharArrays(char[] a, char[] b) {
+ if (a.length != b.length) {
+ return false;
+ }
+ for (int i = 0; i < b.length; i++) {
+ if (a[i] != b[i]) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ public LineCreator createLineCreator() {
+ return new LineCreator();
+ }
+
+ /**
+ * Add the information for a given IFile resource
+ *
+ */
+ public void addFile(IFile fileToParse) {
+ LineCreator lineCreator = createLineCreator();
+ try {
+ addInputStream(new BufferedInputStream(fileToParse.getContents()),
+ fileToParse.getProjectRelativePath().toString(),
+ lineCreator, fileToParse.getCharset());
+ } catch (CoreException e1) {
+ // TODO Auto-generated catch block
+ e1.printStackTrace();
+ }
+ }
+
+ /**
+ * @param fileToParse
+ * @param lineCreator
+ * @throws CoreException
+ */
+ public void addInputStream(InputStream stream, String filePath,
+ LineCreator lineCreator, String charset) throws CoreException {
+ try {
+ StringBuffer lineBuffer = new StringBuffer();
+ lineBuffer.append(filePath);
+ lineCreator.parseIdentifiers(Util.getInputStreamAsCharArray(stream,
+ -1, charset), lineBuffer);
+ addLine(lineBuffer.toString());
+ } catch (IOException e) {
+ e.printStackTrace();
+ } finally {
+ try {
+ if (stream != null) {
+ stream.close();
+ }
+ } catch (IOException e) {
+ // do nothing
+ }
+ }
+ }
+
+ /**
+ * Adds a line of the index file for function, class, class-method and
+ * class-variable names
+ *
+ * @param line
+ */
+ private void addLine(String line) {
+ addLine(fIndentifierMap, fFileMap, line, null);
+ }
+
+ public TreeMap getIdentifiers(IFile file) {
+ TreeMap treeMap = new TreeMap(new StringComparator());
+ addIdentifiers(treeMap, file);
+ return treeMap;
+ }
+
+ public TreeMap getIdentifiers(String startClazz) {
+ TreeMap treeMap = new TreeMap(new StringComparator());
+ addIdentifiers(treeMap, startClazz);
+ return treeMap;
+ }
+
+ public void addIdentifiers(TreeMap treeMap, IFile file) {
+ String line = (String) fFileMap.get(file.getProjectRelativePath()
+ .toString());
+ if (line != null) {
+ //PHPIdentifierLocation ident;
+ ArrayList allClassNames = new ArrayList();
+ addLine(treeMap, null, line, allClassNames);
+ int i = 0;
+ while (i < allClassNames.size()) {
+ String clazz = (String) allClassNames.get(i++);
+ addClassName(treeMap, clazz, allClassNames);
+ }
+ }
+ }
+
+ public void addIdentifiers(TreeMap treeMap, String startClazz) {
+ //PHPIdentifierLocation ident;
+ ArrayList allClassNames = new ArrayList();
+ addClassName(treeMap, startClazz, allClassNames);
+ int i = 0;
+ while (i < allClassNames.size()) {
+ String clazz = (String) allClassNames.get(i++);
+ addClassName(treeMap, clazz, allClassNames);
+ }
+ }
+
+ /**
+ * @param treeMap
+ * @param clazz
+ * @param allClassNames
+ */
+ private boolean addClassName(TreeMap treeMap, String clazz,
+ List allClassNames) {
+ String line;
+ PHPIdentifierLocation ident;
+ List list = getLocations(clazz);
+ if (list == null) {
+ return false;
+ }
+ boolean result = false;
+ for (int i = 0; i < list.size(); i++) {
+ ident = (PHPIdentifierLocation) list.get(i);
+ if (ident.isClass()) {
+ line = (String) fFileMap.get(ident.getFilename());
+ addLine(treeMap, null, line, allClassNames);
+ result = true;
+ }
+ }
+ return result;
+ }
+
+ /**
+ * Adds a line of the index file for function, class, class-method and
+ * class-variable names
+ *
+ * @param line
+ */
+ public void addLine(TreeMap treeMap, HashMap fileMap, String line,
+ List allClassNames) {
+ StringTokenizer tokenizer;
+ String phpFileName = null;
+ String token;
+ String identifier = null;
+ String classname = null;
+ String offset = null;
+ PHPIdentifierLocation phpIdentifier = null;
+ boolean tokenExists = false;
+ tokenizer = new StringTokenizer(line, "\t");
+ // first token contains the filename:
+ try {
+ if (tokenizer.hasMoreTokens()) {
+ phpFileName = tokenizer.nextToken();
+ // System.out.println(token);
+ } else {
+ return;
+ }
+ // all the other tokens are identifiers:
+ while (tokenizer.hasMoreTokens()) {
+ token = tokenizer.nextToken();
+ // System.out.println(token);
+ switch (token.charAt(0)) {
+ case 'c':
+ // class name
+ identifier = token.substring(1);
+ classname = identifier;
+ phpIdentifier = new PHPIdentifierLocation(identifier,
+ PHPIdentifier.CLASS, phpFileName);
+ break;
+ case 'd':
+ // define
+ identifier = token.substring(1);
+ phpIdentifier = new PHPIdentifierLocation(identifier,
+ PHPIdentifier.DEFINE, phpFileName);
+ break;
+ case 'e':
+ // extends <class name>
+ // not in map
+ identifier = null;
+ phpIdentifier = null;
+ if (allClassNames != null) {
+ String extName = token.substring(1);
+ if (!allClassNames.contains(extName)) {
+ allClassNames.add(extName);
+ }
+ }
+ break;
+ case 'f':
+ // function name
+ identifier = token.substring(1);
+ phpIdentifier = new PHPIdentifierLocation(identifier,
+ PHPIdentifier.FUNCTION, phpFileName);
+ break;
+ case 'g':
+ // global variable
+ identifier = token.substring(1);
+ phpIdentifier = new PHPIdentifierLocation(identifier,
+ PHPIdentifier.GLOBAL_VARIABLE, phpFileName);
+ break;
+ case 'i':
+ // implements <class name>
+ // not in map
+ identifier = null;
+ phpIdentifier = null;
+ if (allClassNames != null) {
+ String implName = token.substring(1);
+ if (!allClassNames.contains(implName)) {
+ allClassNames.add(implName);
+ }
+ }
+ break;
+ case 'k':
+ // constructor function name
+ identifier = token.substring(1);
+ phpIdentifier = new PHPIdentifierLocation(identifier,
+ PHPIdentifier.CONSTRUCTOR, phpFileName);
+ break;
+ case 'm':
+ // method inside a class
+ identifier = token.substring(1);
+ phpIdentifier = new PHPIdentifierLocation(identifier,
+ PHPIdentifier.METHOD, phpFileName, classname);
+ break;
+ case 'v':
+ // variable inside a class
+ identifier = token.substring(1);
+ phpIdentifier = new PHPIdentifierLocation(identifier,
+ PHPIdentifier.VARIABLE, phpFileName, classname);
+ break;
+ case 'o':
+ // offset information
+ identifier = null;
+ if (phpIdentifier != null) {
+ offset = token.substring(1);
+ phpIdentifier.setOffset(Integer.parseInt(offset));
+ }
+ break;
+ case 'p':
+ // PHPdoc offset information
+ identifier = null;
+ if (phpIdentifier != null) {
+ offset = token.substring(1);
+ phpIdentifier.setPHPDocOffset(Integer.parseInt(offset));
+ }
+ break;
+ case 'l':
+ // PHPdoc length information
+ identifier = null;
+ if (phpIdentifier != null) {
+ offset = token.substring(1);
+ phpIdentifier.setPHPDocLength(Integer.parseInt(offset));
+ }
+ break;
+ default:
+ PHPeclipsePlugin.log(IStatus.ERROR,
+ "Unknown token character in IdentifierIndexManager: "
+ + token.charAt(0));
+ identifier = null;
+ phpIdentifier = null;
+ classname = null;
+ }
+ if (identifier != null && phpIdentifier != null) {
+ tokenExists = true;
+ ArrayList list = (ArrayList) treeMap.get(identifier);
+ if (list == null) {
+ list = new ArrayList();
+ list.add(phpIdentifier);
+ treeMap.put(identifier, list);
+ } else {
+ boolean flag = false;
+ for (int i = 0; i < list.size(); i++) {
+ if (list.get(i).equals(phpIdentifier)) {
+ flag = true;
+ break;
+ }
+ }
+ if (flag == false) {
+ list.add(phpIdentifier);
+ }
+ }
+ }
+ }
+ if (fileMap != null) {
+ fileMap.put(phpFileName, line);
+ }
+ } catch (Throwable e) {
+ // write to workspace/.metadata/.log file
+ PHPeclipsePlugin.log(e);
+ }
+ // if (tokenExists) {
+
+ // }
+ }
+
+ /**
+ * Change the information for a given IFile resource
+ *
+ */
+ public void changeFile(IFile fileToParse) {
+ removeFile(fileToParse);
+ addFile(fileToParse);
+ }
+
+ /**
+ * Get a list of all PHPIdentifierLocation object's associated with an
+ * identifier
+ *
+ * @param identifier
+ * @return
+ */
+ public List getLocations(String identifier) {
+ List list = (List) fIndentifierMap.get(identifier);
+ if (list != null) {
+ return list;
+ }
+ return new ArrayList();
+ }
+
+ /**
+ * Initialize (i.e. clear) the current index information
+ *
+ */
+ public void initialize() {
+ fIndentifierMap = new TreeMap(new StringComparator());
+ fFileMap = new HashMap();
+ }
+
+ private void readFile() {
+ FileReader fileReader;
+ try {
+ fileReader = new FileReader(fFilename);
+ BufferedReader bufferedReader = new BufferedReader(fileReader);
+ String line;
+ while (bufferedReader.ready()) {
+ // all entries for one file are in a line
+ // separated by tabs !
+ line = bufferedReader.readLine();
+ addLine(line);
+ }
+ fileReader.close();
+ } catch (FileNotFoundException e) {
+ // ignore this
+ // TODO DialogBox which asks the user if she/he likes to build new
+ // index?
+ } catch (IOException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+
+ /**
+ * Remove the information for a given IFile resource
+ *
+ */
+ public void removeFile(IFile fileToParse) {
+ // String line = (String)
+ // fFileMap.get(fileToParse.getLocation().toString());
+ String line = (String) fFileMap.get(fileToParse
+ .getProjectRelativePath().toString());
+ if (line != null) {
+ removeLine(line);
+ }
+ }
+
+ /**
+ * Removes a line of the index file for function, class, class-method and
+ * class-variable names
+ *
+ * @param line
+ */
+ private void removeLine(String line) {
+ StringTokenizer tokenizer;
+ String phpFileName = null;
+ String token;
+ String identifier = null;
+ String classname = null;
+ PHPIdentifier phpIdentifier = null;
+ boolean tokenExists = false;
+ tokenizer = new StringTokenizer(line, "\t");
+ // first token contains the filename:
+ if (tokenizer.hasMoreTokens()) {
+ phpFileName = tokenizer.nextToken();
+ // System.out.println(token);
+ } else {
+ return;
+ }
+ int offset = -1;
+ // all the other tokens are identifiers:
+ while (tokenizer.hasMoreTokens()) {
+ token = tokenizer.nextToken();
+ // System.out.println(token);
+ switch (token.charAt(0)) {
+ case 'c':
+ // class name
+ identifier = token.substring(1);
+ classname = identifier;
+ phpIdentifier = new PHPIdentifierLocation(identifier,
+ PHPIdentifier.CLASS, phpFileName);
+ break;
+ case 'd':
+ // define
+ identifier = token.substring(1);
+ phpIdentifier = new PHPIdentifierLocation(identifier,
+ PHPIdentifier.DEFINE, phpFileName);
+ break;
+ case 'e':
+ // extends <class name>
+ identifier = null;
+ phpIdentifier = null;
+ break;
+ case 'f':
+ // function name
+ identifier = token.substring(1);
+ phpIdentifier = new PHPIdentifierLocation(identifier,
+ PHPIdentifier.FUNCTION, phpFileName);
+ break;
+ case 'g':
+ // global variable
+ identifier = token.substring(1);
+ phpIdentifier = new PHPIdentifierLocation(identifier,
+ PHPIdentifier.GLOBAL_VARIABLE, phpFileName);
+ break;
+ case 'i':
+ // implements <class name>
+ identifier = null;
+ phpIdentifier = null;
+ break;
+ case 'k':
+ // constructor function name
+ identifier = token.substring(1);
+ phpIdentifier = new PHPIdentifierLocation(identifier,
+ PHPIdentifier.CONSTRUCTOR, phpFileName);
+ break;
+ case 'm':
+ // method inside a class
+ identifier = token.substring(1);
+ phpIdentifier = new PHPIdentifierLocation(identifier,
+ PHPIdentifier.METHOD, phpFileName, classname);
+ break;
+ case 'o':
+ // offset information
+ identifier = null;
+ break;
+ case 'p':
+ // PHPdoc offset information
+ identifier = null;
+ break;
+ case 'l':
+ // PHPdoc length information
+ identifier = null;
+ break;
+ case 'v':
+ // variable inside a class
+ identifier = token.substring(1);
+ phpIdentifier = new PHPIdentifierLocation(identifier,
+ PHPIdentifier.VARIABLE, phpFileName, classname);
+ break;
+ default:
+ PHPeclipsePlugin.log(IStatus.ERROR,
+ "Unknown token character in IdentifierIndexManager: "
+ + token.charAt(0));
+ identifier = null;
+ phpIdentifier = null;
+ classname = null;
+ }
+ if (identifier != null && phpIdentifier != null) {
+ ArrayList list = (ArrayList) fIndentifierMap.get(identifier);
+ if (list == null) {
+ } else {
+ for (int i = 0; i < list.size(); i++) {
+ if (list.get(i).equals(phpIdentifier)) {
+ list.remove(i);
+ break;
+ }
+ }
+ if (list.size() == 0) {
+ fIndentifierMap.remove(identifier);
+ }
+ }
+ }
+ }
+ fFileMap.remove(phpFileName);
+ }
+
+ /**
+ * Save the current index information in the projects index file
+ *
+ */
+ public void writeFile() {
+ FileWriter fileWriter;
+ try {
+ fileWriter = new FileWriter(fFilename);
+ String line;
+ Collection collection = fFileMap.values();
+ Iterator iterator = collection.iterator();
+ while (iterator.hasNext()) {
+ line = (String) iterator.next();
+ fileWriter.write(line + '\n');
+ }
+ fileWriter.close();
+ } catch (FileNotFoundException e) {
+ // ignore exception; project is deleted by user
+ } catch (IOException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+
+ /**
+ * @param fromKey
+ * @param toKey
+ * @return
+ */
+ public SortedMap getIdentifierMap() {
+ return fIndentifierMap;
+ }
+
+ synchronized public List getFileList(String filePattern) {
+ Set set = fFileMap.keySet();
+ if (set.isEmpty()) {
+ return null;
+ }
+ Iterator iter = set.iterator();
+ ArrayList list = new ArrayList();
+ String fileName;
+ int index;
+ while (iter.hasNext()) {
+ fileName = (String) iter.next();
+ if ((index = fileName.indexOf(filePattern)) != -1
+ && fileName.length() == (index + filePattern.length())) {
+ list.add(fileName);
+ }
+ }
+ return list;
+ }
}
\ No newline at end of file
git://git.phpeclipse.com / phpeclipse.git / blobdiff