1) Moved net.sourceforge.phpeclipse.ui\src\net\sourceforge\phpdt back to net.sourcefo...
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / ui / text / HTML2TextReader.java
index e9cb748..1fe8811 100644 (file)
@@ -1,12 +1,10 @@
 package net.sourceforge.phpdt.internal.ui.text;
 
-
 /*
  * (c) Copyright IBM Corp. 2000, 2001.
  * All Rights Reserved.
  */
 
-
 import java.io.IOException;
 import java.io.PushbackReader;
 import java.io.Reader;
@@ -21,24 +19,24 @@ import org.eclipse.jface.text.TextPresentation;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.StyleRange;
 
-
-
-
 /**
- * Reads the text contents from a reader of HTML contents and translates 
- * the tags or cut them out.
+ * Reads the text contents from a reader of HTML contents and translates the
+ * tags or cut them out.
  */
 public class HTML2TextReader extends SubstitutionTextReader {
-       
-       
-       private static final String LINE_DELIM= System.getProperty("line.separator", "\n"); //$NON-NLS-1$ //$NON-NLS-2$
-       private static final String EMPTY_STRING= ""; //$NON-NLS-1$
+
+       private static final String LINE_DELIM = System.getProperty(
+                       "line.separator", "\n"); //$NON-NLS-1$ //$NON-NLS-2$
+
+       private static final String EMPTY_STRING = ""; //$NON-NLS-1$
+
        private static final Map fgEntityLookup;
+
        private static final Set fgTags;
-       
+
        static {
-               
-               fgTags= new HashSet();
+
+               fgTags = new HashSet();
                fgTags.add("b"); //$NON-NLS-1$
                fgTags.add("br"); //$NON-NLS-1$
                fgTags.add("h5"); //$NON-NLS-1$
@@ -49,92 +47,99 @@ public class HTML2TextReader extends SubstitutionTextReader {
                fgTags.add("li"); //$NON-NLS-1$
                fgTags.add("ul"); //$NON-NLS-1$
                fgTags.add("pre"); //$NON-NLS-1$
-               
-               fgEntityLookup= new HashMap(7);
+
+               fgEntityLookup = new HashMap(7);
                fgEntityLookup.put("lt", "<"); //$NON-NLS-1$ //$NON-NLS-2$
                fgEntityLookup.put("gt", ">"); //$NON-NLS-1$ //$NON-NLS-2$
                fgEntityLookup.put("nbsp", " "); //$NON-NLS-1$ //$NON-NLS-2$
                fgEntityLookup.put("amp", "&"); //$NON-NLS-1$ //$NON-NLS-2$
                fgEntityLookup.put("circ", "^"); //$NON-NLS-1$ //$NON-NLS-2$
                fgEntityLookup.put("tilde", "~"); //$NON-NLS-2$ //$NON-NLS-1$
-               fgEntityLookup.put("quot", "\"");                //$NON-NLS-1$ //$NON-NLS-2$
+               fgEntityLookup.put("quot", "\""); //$NON-NLS-1$ //$NON-NLS-2$
        }
-       
-       private int fCounter= 0;
+
+       private int fCounter = 0;
+
        private TextPresentation fTextPresentation;
-       private int fBold= 0;
-       private int fStartOffset= -1;
-       private boolean fInParagraph= false;
-       private boolean fIsPreformattedText= false;
-       
+
+       private int fBold = 0;
+
+       private int fStartOffset = -1;
+
+       private boolean fInParagraph = false;
+
+       private boolean fIsPreformattedText = false;
+
        /**
         * Transforms the html text from the reader to formatted text.
-        * @param presentation If not <code>null</code>, formattings will be applied to 
-        * the presentation.
-       */
+        * 
+        * @param presentation
+        *            If not <code>null</code>, formattings will be applied to
+        *            the presentation.
+        */
        public HTML2TextReader(Reader reader, TextPresentation presentation) {
                super(new PushbackReader(reader));
-               fTextPresentation= presentation;
+               fTextPresentation = presentation;
        }
-       
+
        public int read() throws IOException {
-               int c= super.read();
+               int c = super.read();
                if (c != -1)
-                       ++ fCounter;
+                       ++fCounter;
                return c;
        }
-       
+
        protected void startBold() {
                if (fBold == 0)
-                       fStartOffset= fCounter;
-               ++ fBold;
+                       fStartOffset = fCounter;
+               ++fBold;
        }
 
        protected void startPreformattedText() {
-               fIsPreformattedText= true;
+               fIsPreformattedText = true;
                setSkipWhitespace(false);
        }
 
        protected void stopPreformattedText() {
-               fIsPreformattedText= false;
+               fIsPreformattedText = false;
                setSkipWhitespace(true);
        }
-       
+
        protected void stopBold() {
-               -- fBold;
+               --fBold;
                if (fBold == 0) {
                        if (fTextPresentation != null) {
-                               fTextPresentation.addStyleRange(new StyleRange(fStartOffset, fCounter - fStartOffset, null, null, SWT.BOLD));
+                               fTextPresentation.addStyleRange(new StyleRange(fStartOffset,
+                                               fCounter - fStartOffset, null, null, SWT.BOLD));
                        }
-                       fStartOffset= -1;
+                       fStartOffset = -1;
                }
        }
-       
+
        /**
         * @see SubstitutionTextReader#computeSubstitution(char)
         */
        protected String computeSubstitution(int c) throws IOException {
-               
+
                if (c == '<')
-                       return  processHTMLTag();
+                       return processHTMLTag();
                else if (c == '&')
                        return processEntity();
                else if (fIsPreformattedText)
                        return processPreformattedText(c);
-               
+
                return null;
        }
 
        private String html2Text(String html) {
-               
-               String tag= html;
+
+               String tag = html;
                if ('/' == tag.charAt(0))
-                       tag= tag.substring(1);
-                       
+                       tag = tag.substring(1);
+
                if (!fgTags.contains(tag))
                        return EMPTY_STRING;
 
-
                if ("pre".equals(html)) { //$NON-NLS-1$
                        startPreformattedText();
                        return EMPTY_STRING;
@@ -152,142 +157,142 @@ public class HTML2TextReader extends SubstitutionTextReader {
                        startBold();
                        return EMPTY_STRING;
                }
-                               
+
                if ("h5".equals(html) || "dt".equals(html)) { //$NON-NLS-1$ //$NON-NLS-2$
                        startBold();
                        return EMPTY_STRING;
                }
-               
+
                if ("dl".equals(html)) //$NON-NLS-1$
                        return LINE_DELIM;
-               
+
                if ("dd".equals(html)) //$NON-NLS-1$
                        return "\t"; //$NON-NLS-1$
-               
+
                if ("li".equals(html)) //$NON-NLS-1$
-                       return LINE_DELIM + "\t" + PHPUIMessages.getString("HTML2TextReader.dash"); //$NON-NLS-1$ //$NON-NLS-2$
-                                       
+                       return LINE_DELIM
+                                       + "\t" + PHPUIMessages.getString("HTML2TextReader.dash"); //$NON-NLS-1$ //$NON-NLS-2$
+
                if ("/b".equals(html)) { //$NON-NLS-1$
                        stopBold();
                        return EMPTY_STRING;
                }
 
-               if ("p".equals(html))  { //$NON-NLS-1$
-                       fInParagraph= true;
+               if ("p".equals(html)) { //$NON-NLS-1$
+                       fInParagraph = true;
                        return LINE_DELIM;
                }
 
                if ("br".equals(html)) //$NON-NLS-1$
                        return LINE_DELIM;
-               
-               if ("/p".equals(html))  { //$NON-NLS-1$
-                       boolean inParagraph= fInParagraph;
-                       fInParagraph= false;
+
+               if ("/p".equals(html)) { //$NON-NLS-1$
+                       boolean inParagraph = fInParagraph;
+                       fInParagraph = false;
                        return inParagraph ? EMPTY_STRING : LINE_DELIM;
                }
-                       
+
                if ("/h5".equals(html) || "/dt".equals(html)) { //$NON-NLS-1$ //$NON-NLS-2$
                        stopBold();
                        return LINE_DELIM;
                }
-               
+
                if ("/dd".equals(html)) //$NON-NLS-1$
                        return LINE_DELIM;
-                               
+
                return EMPTY_STRING;
        }
-       
+
        /*
         * A '<' has been read. Process a html tag
-        */ 
+        */
        private String processHTMLTag() throws IOException {
-               
-               StringBuffer buf= new StringBuffer();
+
+               StringBuffer buf = new StringBuffer();
                int ch;
-               do {            
-                       
-                       ch= nextChar();
-                       
+               do {
+
+                       ch = nextChar();
+
                        while (ch != -1 && ch != '>') {
                                buf.append(Character.toLowerCase((char) ch));
-                               ch= nextChar();
-                               if (ch == '"'){
+                               ch = nextChar();
+                               if (ch == '"') {
                                        buf.append(Character.toLowerCase((char) ch));
-                                       ch= nextChar();
-                                       while (ch != -1 && ch != '"'){
+                                       ch = nextChar();
+                                       while (ch != -1 && ch != '"') {
                                                buf.append(Character.toLowerCase((char) ch));
-                                               ch= nextChar();
-                                       }       
+                                               ch = nextChar();
+                                       }
                                }
-                               if (ch == '<'){
+                               if (ch == '<') {
                                        unread(ch);
                                        return '<' + buf.toString();
-                               }       
+                               }
                        }
-                       
+
                        if (ch == -1)
                                return null;
-                       
-                       int tagLen= buf.length();
-                       // needs special treatment for comments 
+
+                       int tagLen = buf.length();
+                       // needs special treatment for comments
                        if ((tagLen >= 3 && "!--".equals(buf.substring(0, 3))) //$NON-NLS-1$
-                               && !(tagLen >= 5 && "--!".equals(buf.substring(tagLen - 3)))) { //$NON-NLS-1$
+                                       && !(tagLen >= 5 && "--!".equals(buf.substring(tagLen - 3)))) { //$NON-NLS-1$
                                // unfinished comment
                                buf.append(ch);
                        } else {
                                break;
                        }
                } while (true);
-                
+
                return html2Text(buf.toString());
        }
 
        private String processPreformattedText(int c) {
-               if  (c == '\r' || c == '\n')
+               if (c == '\r' || c == '\n')
                        fCounter++;
                return null;
        }
 
-       
        private void unread(int ch) throws IOException {
                ((PushbackReader) getReader()).unread(ch);
        }
-       
+
        protected String entity2Text(String symbol) {
                if (symbol.length() > 1 && symbol.charAt(0) == '#') {
                        int ch;
                        try {
                                if (symbol.charAt(1) == 'x') {
-                                       ch= Integer.parseInt(symbol.substring(2), 16);
+                                       ch = Integer.parseInt(symbol.substring(2), 16);
                                } else {
-                                       ch= Integer.parseInt(symbol.substring(1), 10);
+                                       ch = Integer.parseInt(symbol.substring(1), 10);
                                }
-                               return EMPTY_STRING + (char)ch;
+                               return EMPTY_STRING + (char) ch;
                        } catch (NumberFormatException e) {
                        }
                } else {
-                       String str= (String) fgEntityLookup.get(symbol);
+                       String str = (String) fgEntityLookup.get(symbol);
                        if (str != null) {
                                return str;
                        }
                }
                return "&" + symbol; // not found //$NON-NLS-1$
        }
-       
+
        /*
         * A '&' has been read. Process a entity
-        */     
+        */
        private String processEntity() throws IOException {
-               StringBuffer buf= new StringBuffer();
-               int ch= nextChar();
-               while (Character.isLetterOrDigit((char)ch) || ch == '#') {
+               StringBuffer buf = new StringBuffer();
+               int ch = nextChar();
+               while (Character.isLetterOrDigit((char) ch) || ch == '#') {
                        buf.append((char) ch);
-                       ch= nextChar();
+                       ch = nextChar();
                }
-               
-               if (ch == ';') 
+
+               if (ch == ';')
                        return entity2Text(buf.toString());
-               
+
                buf.insert(0, '&');
                if (ch != -1)
                        buf.append((char) ch);