src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/HtmlWriter.java
changeset 47216 71c04702a3d5
parent 45417 f7479ee8de69
child 47427 251676148c62
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/HtmlWriter.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,402 @@
+/*
+ * Copyright (c) 1997, 2017, 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 jdk.javadoc.internal.doclets.formats.html.markup;
+
+import java.io.*;
+import java.util.*;
+
+import jdk.javadoc.doclet.DocletEnvironment.ModuleMode;
+import jdk.javadoc.internal.doclets.toolkit.BaseConfiguration;
+import jdk.javadoc.internal.doclets.toolkit.Content;
+import jdk.javadoc.internal.doclets.toolkit.Resources;
+import jdk.javadoc.internal.doclets.toolkit.util.DocFile;
+import jdk.javadoc.internal.doclets.toolkit.util.DocFileIOException;
+import jdk.javadoc.internal.doclets.toolkit.util.DocPath;
+import jdk.javadoc.internal.doclets.toolkit.util.DocletConstants;
+import jdk.javadoc.internal.doclets.toolkit.util.TableTabTypes;
+
+
+/**
+ * Class for the Html format code generation.
+ * Initializes PrintWriter with FileWriter, to enable print
+ * related methods to generate the code to the named File through FileWriter.
+ *
+ *  <p><b>This is NOT part of any supported API.
+ *  If you write code that depends on this, you do so at your own risk.
+ *  This code and its internal interfaces are subject to change or
+ *  deletion without notice.</b>
+ *
+ * @author Atul M Dambalkar
+ * @author Bhavesh Patel (Modified)
+ */
+public class HtmlWriter {
+
+    /**
+     * The window title of this file
+     */
+    protected String winTitle;
+
+    /**
+     * The configuration
+     */
+    protected BaseConfiguration configuration;
+
+    /**
+     * Header for table displaying modules and description.
+     */
+    protected final List<String> moduleTableHeader;
+
+    /**
+     * Header for tables displaying packages and description.
+     */
+    protected final List<String> packageTableHeader;
+
+    /**
+     * Header for tables displaying modules and description.
+     */
+    protected final List<String> requiresTableHeader;
+
+    /**
+     * Header for tables displaying packages and description.
+     */
+    protected final List<String> exportedPackagesTableHeader;
+
+    /**
+     * Header for tables displaying modules and exported packages.
+     */
+    protected final List<String> indirectPackagesTableHeader;
+
+    /**
+     * Header for tables displaying types and description.
+     */
+    protected final List<String> usesTableHeader;
+
+    /**
+     * Header for tables displaying types and description.
+     */
+    protected final List<String> providesTableHeader;
+
+    /**
+     * Summary for use tables displaying class and package use.
+     */
+    protected final String useTableSummary;
+
+    /**
+     * Column header for class docs displaying Modifier and Type header.
+     */
+    protected final String modifierTypeHeader;
+
+    private final DocFile docFile;
+
+    protected Content script;
+
+
+    /**
+     * Constructor.
+     *
+     * @param path The directory path to be created for this file
+     *             or null if none to be created.
+     */
+    public HtmlWriter(BaseConfiguration configuration, DocPath path) {
+        docFile = DocFile.createFileForOutput(configuration, path);
+        this.configuration = configuration;
+
+        // The following should be converted to shared Content objects
+        // and moved to Contents, but that will require additional
+        // changes at the use sites.
+        Resources resources = configuration.getResources();
+        moduleTableHeader = Arrays.asList(
+            resources.getText("doclet.Module"),
+            resources.getText("doclet.Description"));
+        packageTableHeader = new ArrayList<>();
+        packageTableHeader.add(resources.getText("doclet.Package"));
+        packageTableHeader.add(resources.getText("doclet.Description"));
+        requiresTableHeader = new ArrayList<>();
+            requiresTableHeader.add(resources.getText("doclet.Modifier"));
+        requiresTableHeader.add(resources.getText("doclet.Module"));
+        requiresTableHeader.add(resources.getText("doclet.Description"));
+        exportedPackagesTableHeader = new ArrayList<>();
+        exportedPackagesTableHeader.add(resources.getText("doclet.Package"));
+        if (configuration.docEnv.getModuleMode() == ModuleMode.ALL) {
+            exportedPackagesTableHeader.add(resources.getText("doclet.Module"));
+        }
+        exportedPackagesTableHeader.add(resources.getText("doclet.Description"));
+        indirectPackagesTableHeader = new ArrayList<>();
+        indirectPackagesTableHeader.add(resources.getText("doclet.From"));
+        indirectPackagesTableHeader.add(resources.getText("doclet.Packages"));
+        usesTableHeader = new ArrayList<>();
+        usesTableHeader.add(resources.getText("doclet.Type"));
+        usesTableHeader.add(resources.getText("doclet.Description"));
+        providesTableHeader = new ArrayList<>();
+        providesTableHeader.add(resources.getText("doclet.Type"));
+        providesTableHeader.add(resources.getText("doclet.Description"));
+        useTableSummary = resources.getText("doclet.Use_Table_Summary",
+                resources.getText("doclet.packages"));
+        modifierTypeHeader = resources.getText("doclet.0_and_1",
+                resources.getText("doclet.Modifier"),
+                resources.getText("doclet.Type"));
+    }
+
+    public void write(Content c) throws DocFileIOException {
+        try (Writer writer = docFile.openWriter()) {
+            c.write(writer, true);
+        } catch (IOException e) {
+            throw new DocFileIOException(docFile, DocFileIOException.Mode.WRITE, e);
+        }
+    }
+
+    /**
+     * Returns an HtmlTree for the SCRIPT tag.
+     *
+     * @return an HtmlTree for the SCRIPT tag
+     */
+    protected HtmlTree getWinTitleScript(){
+        HtmlTree scriptTree = HtmlTree.SCRIPT();
+        if(winTitle != null && winTitle.length() > 0) {
+            String scriptCode = "<!--\n" +
+                    "    try {\n" +
+                    "        if (location.href.indexOf('is-external=true') == -1) {\n" +
+                    "            parent.document.title=\"" + escapeJavaScriptChars(winTitle) + "\";\n" +
+                    "        }\n" +
+                    "    }\n" +
+                    "    catch(err) {\n" +
+                    "    }\n" +
+                    "//-->\n";
+            RawHtml scriptContent = new RawHtml(scriptCode.replace("\n", DocletConstants.NL));
+            scriptTree.addContent(scriptContent);
+        }
+        return scriptTree;
+    }
+
+    /**
+     * Returns a String with escaped special JavaScript characters.
+     *
+     * @param s String that needs to be escaped
+     * @return a valid escaped JavaScript string
+     */
+    private static String escapeJavaScriptChars(String s) {
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < s.length(); i++) {
+            char ch = s.charAt(i);
+            switch (ch) {
+                case '\b':
+                    sb.append("\\b");
+                    break;
+                case '\t':
+                    sb.append("\\t");
+                    break;
+                case '\n':
+                    sb.append("\\n");
+                    break;
+                case '\f':
+                    sb.append("\\f");
+                    break;
+                case '\r':
+                    sb.append("\\r");
+                    break;
+                case '"':
+                    sb.append("\\\"");
+                    break;
+                case '\'':
+                    sb.append("\\\'");
+                    break;
+                case '\\':
+                    sb.append("\\\\");
+                    break;
+                default:
+                    if (ch < 32 || ch >= 127) {
+                        sb.append(String.format("\\u%04X", (int)ch));
+                    } else {
+                        sb.append(ch);
+                    }
+                    break;
+            }
+        }
+        return sb.toString();
+    }
+
+    /**
+     * Returns a content tree for the SCRIPT tag for the main page(index.html).
+     *
+     * @return a content for the SCRIPT tag
+     */
+    protected Content getFramesJavaScript() {
+        HtmlTree scriptTree = HtmlTree.SCRIPT();
+        String scriptCode = "\n" +
+                "    tmpTargetPage = \"\" + window.location.search;\n" +
+                "    if (tmpTargetPage != \"\" && tmpTargetPage != \"undefined\")\n" +
+                "        tmpTargetPage = tmpTargetPage.substring(1);\n" +
+                "    if (tmpTargetPage.indexOf(\":\") != -1 || (tmpTargetPage != \"\" && !validURL(tmpTargetPage)))\n" +
+                "        tmpTargetPage = \"undefined\";\n" +
+                "    targetPage = tmpTargetPage;\n" +
+                "    function validURL(url) {\n" +
+                "        try {\n" +
+                "            url = decodeURIComponent(url);\n" +
+                "        }\n" +
+                "        catch (error) {\n" +
+                "            return false;\n" +
+                "        }\n" +
+                "        var pos = url.indexOf(\".html\");\n" +
+                "        if (pos == -1 || pos != url.length - 5)\n" +
+                "            return false;\n" +
+                "        var allowNumber = false;\n" +
+                "        var allowSep = false;\n" +
+                "        var seenDot = false;\n" +
+                "        for (var i = 0; i < url.length - 5; i++) {\n" +
+                "            var ch = url.charAt(i);\n" +
+                "            if ('a' <= ch && ch <= 'z' ||\n" +
+                "                    'A' <= ch && ch <= 'Z' ||\n" +
+                "                    ch == '$' ||\n" +
+                "                    ch == '_' ||\n" +
+                "                    ch.charCodeAt(0) > 127) {\n" +
+                "                allowNumber = true;\n" +
+                "                allowSep = true;\n" +
+                "            } else if ('0' <= ch && ch <= '9'\n" +
+                "                    || ch == '-') {\n" +
+                "                if (!allowNumber)\n" +
+                "                     return false;\n" +
+                "            } else if (ch == '/' || ch == '.') {\n" +
+                "                if (!allowSep)\n" +
+                "                    return false;\n" +
+                "                allowNumber = false;\n" +
+                "                allowSep = false;\n" +
+                "                if (ch == '.')\n" +
+                "                     seenDot = true;\n" +
+                "                if (ch == '/' && seenDot)\n" +
+                "                     return false;\n" +
+                "            } else {\n" +
+                "                return false;\n" +
+                "            }\n" +
+                "        }\n" +
+                "        return true;\n" +
+                "    }\n" +
+                "    function loadFrames() {\n" +
+                "        if (targetPage != \"\" && targetPage != \"undefined\")\n" +
+                "             top.classFrame.location = top.targetPage;\n" +
+                "    }\n";
+        RawHtml scriptContent = new RawHtml(scriptCode.replace("\n", DocletConstants.NL));
+        scriptTree.addContent(scriptContent);
+        return scriptTree;
+    }
+
+    /**
+     * Returns an HtmlTree for the BODY tag.
+     *
+     * @param includeScript  set true if printing windowtitle script
+     * @param title title for the window
+     * @return an HtmlTree for the BODY tag
+     */
+    public HtmlTree getBody(boolean includeScript, String title) {
+        HtmlTree body = new HtmlTree(HtmlTag.BODY);
+        // Set window title string which is later printed
+        this.winTitle = title;
+        // Don't print windowtitle script for overview-frame, allclasses-frame
+        // and package-frame
+        if (includeScript) {
+            this.script = getWinTitleScript();
+            body.addContent(script);
+            Content noScript = HtmlTree.NOSCRIPT(
+                    HtmlTree.DIV(configuration.getContent("doclet.No_Script_Message")));
+            body.addContent(noScript);
+        }
+        return body;
+    }
+
+    /**
+     * Generated javascript variables for the document.
+     *
+     * @param typeMap map comprising of method and type relationship
+     * @param tabTypes set comprising of all table tab types for this class
+     * @param elementName packages or methods table for which tabs need to be displayed
+     */
+    public void generateTableTabTypesScript(Map<String,Integer> typeMap,
+            Set<? extends TableTabTypes> tabTypes, String elementName) {
+        String sep = "";
+        StringBuilder vars = new StringBuilder("var ");
+        vars.append(elementName)
+                .append(" = {");
+        for (Map.Entry<String,Integer> entry : typeMap.entrySet()) {
+            vars.append(sep);
+            sep = ",";
+            vars.append("\"")
+                    .append(entry.getKey())
+                    .append("\":")
+                    .append(entry.getValue());
+        }
+        vars.append("};").append(DocletConstants.NL);
+        sep = "";
+        vars.append("var tabs = {");
+        for (TableTabTypes entry : tabTypes) {
+            vars.append(sep);
+            sep = ",";
+            vars.append(entry.tableTabs().value())
+                    .append(":")
+                    .append("[")
+                    .append("\"")
+                    .append(entry.tableTabs().tabId())
+                    .append("\"")
+                    .append(sep)
+                    .append("\"")
+                    .append(configuration.getText(entry.tableTabs().resourceKey()))
+                    .append("\"]");
+        }
+        vars.append("};")
+                .append(DocletConstants.NL);
+        addStyles(HtmlStyle.altColor, vars);
+        addStyles(HtmlStyle.rowColor, vars);
+        addStyles(HtmlStyle.tableTab, vars);
+        addStyles(HtmlStyle.activeTableTab, vars);
+        script.addContent(new RawHtml(vars));
+    }
+
+    /**
+     * Adds javascript style variables to the document.
+     *
+     * @param style style to be added as a javascript variable
+     * @param vars variable string to which the style variable will be added
+     */
+    public void addStyles(HtmlStyle style, StringBuilder vars) {
+        vars.append("var ").append(style).append(" = \"").append(style)
+                .append("\";").append(DocletConstants.NL);
+    }
+
+    /**
+     * Returns an HtmlTree for the TITLE tag.
+     *
+     * @return an HtmlTree for the TITLE tag
+     */
+    public HtmlTree getTitle() {
+        HtmlTree title = HtmlTree.TITLE(new StringContent(winTitle));
+        return title;
+    }
+
+    /*
+     * Returns a header for Modifier and Type column of a table.
+     */
+    public String getModifierTypeHeader() {
+        return modifierTypeHeader;
+    }
+}