langtools/src/share/classes/com/sun/tools/doclets/internal/toolkit/util/SourceToHTMLConverter.java
changeset 7694 68672dc4d96f
parent 7691 ec07a04e74e7
parent 7646 142129d8599d
child 7695 e15276b5c5cc
--- a/langtools/src/share/classes/com/sun/tools/doclets/internal/toolkit/util/SourceToHTMLConverter.java	Tue Dec 21 23:39:42 2010 -0500
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,303 +0,0 @@
-/*
- * Copyright (c) 2001, 2009, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package com.sun.tools.doclets.internal.toolkit.util;
-
-import java.io.*;
-import java.util.*;
-import javax.tools.FileObject;
-
-import com.sun.javadoc.*;
-import com.sun.tools.doclets.internal.toolkit.*;
-
-/**
- * Converts Java Source Code to HTML.
- *
- * This code is not part of an API.
- * It is implementation that is subject to change.
- * Do not use it as an API
- *
- * @author Jamie Ho
- * @since 1.4
- */
-public class SourceToHTMLConverter {
-
-    /**
-     * The background color.
-     */
-    protected static final String BGCOLOR = "white";
-
-    /**
-     * The line number color.
-     */
-    protected static final String LINE_NO_COLOR = "green";
-
-    /**
-     * The number of trailing blank lines at the end of the page.
-     * This is inserted so that anchors at the bottom of small pages
-     * can be reached.
-     */
-    protected static final int NUM_BLANK_LINES = 60;
-
-
-    /**
-     * Source is converted to HTML using static methods below.
-     */
-    private SourceToHTMLConverter() {}
-
-    /**
-     * Convert the Classes in the given RootDoc to an HTML.
-     * @param configuration the configuration.
-     * @param rd the RootDoc to convert.
-     * @param outputdir the name of the directory to output to.
-     */
-    public static void convertRoot(Configuration configuration, RootDoc rd, String outputdir) {
-        if (rd == null || outputdir == null) {
-            return;
-        }
-        PackageDoc[] pds = rd.specifiedPackages();
-        for (int i = 0; i < pds.length; i++) {
-            convertPackage(configuration, pds[i], outputdir);
-        }
-        ClassDoc[] cds = rd.specifiedClasses();
-        for (int i = 0; i < cds.length; i++) {
-            convertClass(configuration, cds[i],
-                getPackageOutputDir(outputdir, cds[i].containingPackage()));
-        }
-    }
-
-    /**
-     * Convert the Classes in the given Package to an HTML.
-     * @param configuration the configuration.
-     * @param pd the Package to convert.
-     * @param outputdir the name of the directory to output to.
-     */
-    public static void convertPackage(Configuration configuration, PackageDoc pd, String outputdir) {
-        if (pd == null || outputdir == null) {
-            return;
-        }
-        String classOutputdir = getPackageOutputDir(outputdir, pd);
-        ClassDoc[] cds = pd.allClasses();
-        for (int i = 0; i < cds.length; i++) {
-            convertClass(configuration, cds[i], classOutputdir);
-        }
-    }
-
-    /**
-     * Return the directory write output to for the given package.
-     * @param outputDir the directory to output to.
-     * @param pd the Package to generate output for.
-     */
-    private static String getPackageOutputDir(String outputDir, PackageDoc pd) {
-        return outputDir + File.separator +
-            DirectoryManager.getDirectoryPath(pd) + File.separator;
-    }
-
-    /**
-     * Convert the given Class to an HTML.
-     * @param configuration the configuration.
-     * @param cd the class to convert.
-     * @param outputdir the name of the directory to output to.
-     */
-    public static void convertClass(Configuration configuration, ClassDoc cd, String outputdir) {
-        if (cd == null || outputdir == null) {
-            return;
-        }
-        try {
-            SourcePosition sp = cd.position();
-            if (sp == null)
-                return;
-            Reader r;
-            // temp hack until we can update SourcePosition API.
-            if (sp instanceof com.sun.tools.javadoc.SourcePositionImpl) {
-                FileObject fo = ((com.sun.tools.javadoc.SourcePositionImpl) sp).fileObject();
-                if (fo == null)
-                    return;
-                r = fo.openReader(true);
-            } else {
-                File file = sp.file();
-                if (file == null)
-                    return;
-                r = new FileReader(file);
-            }
-            LineNumberReader reader = new LineNumberReader(r);
-            int lineno = 1;
-            String line;
-            StringBuffer output = new StringBuffer();
-            try {
-                while ((line = reader.readLine()) != null) {
-                    output.append(formatLine(line, configuration.sourcetab, lineno));
-                    lineno++;
-                }
-            } finally {
-                reader.close();
-            }
-            output = addLineNumbers(output.toString());
-            output.insert(0, getHeader(configuration));
-            output.append(getFooter());
-            writeToFile(output.toString(), outputdir, cd.name(), configuration);
-        } catch (Exception e){
-            e.printStackTrace();
-        }
-    }
-
-    /**
-     * Write the output to the file.
-     * @param output the string to output.
-     * @param outputDir the directory to output to.
-     * @param className the name of the class that I am converting to HTML.
-     * @param configuration the Doclet configuration to pass notices to.
-     */
-    private static void writeToFile(String output, String outputDir, String className, Configuration configuration) throws IOException {
-        File dir = new File(outputDir);
-        dir.mkdirs();
-        File newFile = new File(dir, className + ".html");
-        configuration.message.notice("doclet.Generating_0", newFile.getPath());
-        FileOutputStream fout = new FileOutputStream(newFile);
-        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(fout));
-        bw.write(output);
-        bw.close();
-        fout.close();
-    }
-
-    /**
-     * Given a <code>String</code>, add line numbers.
-     * @param s the text to add line numbers to.
-     *
-     * @return the string buffer with the line numbering for each line.
-     */
-    private static StringBuffer addLineNumbers(String s) {
-        StringBuffer sb = new StringBuffer();
-        StringTokenizer st = new StringTokenizer(s, "\n", true);
-        int lineno = 1;
-        String current;
-        while(st.hasMoreTokens()){
-            current = st.nextToken();
-            sb.append(current.equals("\n") ?
-                    getHTMLLineNo(lineno) + current :
-                    getHTMLLineNo(lineno) + current + st.nextToken());
-            lineno++;
-        }
-        return sb;
-    }
-
-    /**
-     * Get the header.
-     * @param configuration the Doclet configuration
-     * @return the header to the output file
-     */
-    protected static String getHeader(Configuration configuration) {
-        StringBuffer result = new StringBuffer("<HTML lang=\"" + configuration.getLocale().getLanguage() + "\">" + DocletConstants.NL);
-        result.append("<BODY BGCOLOR=\""+ BGCOLOR + "\">" + DocletConstants.NL);
-        result.append("<PRE>" + DocletConstants.NL);
-        return result.toString();
-    }
-
-    /**
-     * Get the footer
-     * @return the footer to the output file
-     */
-    protected static String getFooter() {
-        StringBuffer footer = new StringBuffer();
-        for (int i = 0; i < NUM_BLANK_LINES; i++) {
-            footer.append(DocletConstants.NL);
-        }
-        footer.append("</PRE>" + DocletConstants.NL + "</BODY>" +
-            DocletConstants.NL + "</HTML>" + DocletConstants.NL);
-        return footer.toString();
-    }
-
-    /**
-     * Get the HTML for the lines.
-     * @param lineno The line number
-     * @return the HTML code for the line
-     */
-    protected static String getHTMLLineNo(int lineno) {
-        StringBuffer result = new StringBuffer("<FONT color=\"" + LINE_NO_COLOR
-            + "\">");
-        if (lineno < 10) {
-            result.append("00" + ((new Integer(lineno)).toString()));
-        } else if (lineno < 100) {
-            result.append("0" + ((new Integer(lineno)).toString()));
-        } else {
-            result.append((new Integer(lineno)).toString());
-        }
-        result.append("</FONT>    ");
-        return result.toString();
-    }
-
-    /**
-     * Format a given line of source. <br>
-     * Note:  In the future, we will add special colors for constructs in the
-     * language.
-     * @param line the string to format.
-     * @param tabLength the number of spaces for each tab.
-     * @param currentLineNo the current number.
-     */
-    protected static String formatLine(String line, int tabLength, int currentLineNo) {
-        if (line == null) {
-            return null;
-        }
-        StringBuffer lineBuffer = new StringBuffer(Util.escapeHtmlChars(line));
-        //Insert an anchor for the line
-        lineBuffer.append("<a name=\"line." + Integer.toString(currentLineNo) + "\"></a>");
-        lineBuffer.append(DocletConstants.NL);
-        Util.replaceTabs(tabLength, lineBuffer);
-        return lineBuffer.toString();
-    }
-
-    /**
-     * Given an array of <code>Doc</code>s, add to the given <code>HashMap</code> the
-     * line numbers and anchors that should be inserted in the output at those lines.
-     * @param docs the array of <code>Doc</code>s to add anchors for.
-     * @param hash the <code>HashMap</code> to add to.
-     */
-    protected static void addToHash(Doc[] docs, HashMap<Integer,String> hash) {
-        if(docs == null) {
-            return;
-        }
-        for(int i = 0; i < docs.length; i++) {
-            hash.put(docs[i].position().line(), getAnchor(docs[i]));
-        }
-    }
-
-    /**
-     * Given a <code>Doc</code>, return an anchor for it.
-     * @param d the <code>Doc</code> to check.
-     * @return an anchor of the form &lt;a name="my_name">&lt;/a>
-     */
-    protected static String getAnchor(Doc d) {
-        return "    <a name=\"" + getAnchorName(d) + "\"></a>";
-    }
-
-    /**
-     * Given a <code>Doc</code>, return an anchor name for it.
-     * @param d the <code>Doc</code> to check.
-     * @return the name of the anchor.
-     */
-    public static String getAnchorName(Doc d) {
-        return "line." + d.position().line();
-    }
-}