com.redhat.ceylon.common.tools.help.CeylonDocToolTool Maven / Gradle / Ivy
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* Copyright Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the authors tag. All rights reserved.
*
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* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU General Public License version 2.
*
* This particular file is subject to the "Classpath" exception as provided in the
* LICENSE file that accompanied this code.
*
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU General Public License for more details.
* You should have received a copy of the GNU General Public License,
* along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
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package com.redhat.ceylon.common.tools.help;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.Writer;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.ResourceBundle;
import com.redhat.ceylon.common.FileUtil;
import com.redhat.ceylon.common.tool.Argument;
import com.redhat.ceylon.common.tool.CeylonBaseTool;
import com.redhat.ceylon.common.tool.Description;
import com.redhat.ceylon.common.tool.Option;
import com.redhat.ceylon.common.tool.OptionArgument;
import com.redhat.ceylon.common.tool.RemainingSections;
import com.redhat.ceylon.common.tool.Summary;
import com.redhat.ceylon.common.tool.ToolLoader;
import com.redhat.ceylon.common.tool.ToolModel;
import com.redhat.ceylon.common.tool.Tools;
import com.redhat.ceylon.common.tool.WordWrap;
import com.redhat.ceylon.common.tools.CeylonTool;
import com.redhat.ceylon.common.tools.help.model.Doc;
import com.redhat.ceylon.common.tools.help.model.Visitor;
@Summary("Generates documentation about a tool")
@Description(
"Generates documentation about the named ``s in the directory " +
"named by the `--output` option.")
@RemainingSections(
"## See Also\n\n" +
"* `ceylon help` For generating help about ceylon tools at the command line\n" +
"* `ceylon doc` For generating API documentation about ceylon modules\n"
)
public class CeylonDocToolTool extends CeylonBaseTool {
public static enum Format {
html(".html") {
@Override
HtmlVisitor newOutput(CeylonDocToolTool tool, Writer writer) {
return new HtmlVisitor(writer, tool.omitDoctype);
}
@Override
URL[] supportingResources() {
return new URL[]{getClass().getResource("resources/doc-tool.css"),
getClass().getResource("resources/bootstrap.min.css"),
getClass().getResource("resources/bootstrap.min.js"),
getClass().getResource("resources/jquery-1.8.2.min.js"),
getClass().getResource("resources/NOTICE.txt"),
getClass().getResource("resources/doc-tool.js"),
getClass().getResource("resources/ceylondoc-icons.png"),
getClass().getResource("resources/ceylondoc-logo.png")};
}
},
docbook(".xml") {
@Override
DocBookVisitor newOutput(CeylonDocToolTool tool, Writer writer) {
return new DocBookVisitor(writer, tool.omitDoctype);
}
@Override
URL[] supportingResources() {
return null;
}
},
txt(".txt") {
@Override
PlainVisitor newOutput(CeylonDocToolTool tool, Writer writer) {
return new PlainVisitor(new WordWrap(writer, tool.width));
}
@Override
URL[] supportingResources() {
return null;
}
};
private final String extension;
private Format(String extension) {
this.extension = extension;
}
abstract Visitor newOutput(CeylonDocToolTool tool, Writer file);
abstract URL[] supportingResources();
}
private List> tools;
private File dir = new File(".");
private Format format = Format.html;
private int width = 80;
private boolean index = false;
private boolean allPlumbing;
private boolean allPorcelain;
protected ToolLoader toolLoader;
private DocBuilder docBuilder;
private boolean omitDoctype;
public final void setToolLoader(ToolLoader toolLoader) {
this.toolLoader = toolLoader;
this.docBuilder = new DocBuilder(toolLoader);
}
@Argument(argumentName="tool", multiplicity="*")
public void setTool(List> tools) {
this.tools = tools;
}
@Option
@Description("Generate documentation about all low level tools, in " +
"addition to the tools named by the `` argument")
public void setAllPlumbing(boolean allPlumbing) {
this.allPlumbing = allPlumbing;
}
@Option
@Description("Generate documentation about all high level tools, in " +
"addition to the tools named by the `` argument")
public void setAllPorcelain(boolean allPorcelain) {
this.allPorcelain = allPorcelain;
}
@Option
@Description("Generate an `index.html` file when `--format=html`")
public void setIndex(boolean index) {
this.index = index;
}
@Option
@Description("Omit the doctype when outputting XML-based formats")
public void setOmitDoctype(boolean omitDoctype) {
this.omitDoctype = omitDoctype;
}
@OptionArgument(shortName='o', argumentName="dir")
@Description("Directory to generate the output files in " +
"(default: The current directory)")
public void setOutput(File dir) {
this.dir = dir;
}
@OptionArgument(argumentName="format")
@Description("The format to generate the documentation in " +
"(allowable values: `html`, `docbook` or `txt`, default: `html`)")
public void setFormat(Format format) {
this.format = format;
}
@OptionArgument(argumentName="cols")
@Description("The line length to use for word wrapping " +
"when `--format=txt` " +
"(default: 80)")
public void setWidth(int width) {
if (width <= 0) {
throw new IllegalArgumentException();
}
this.width = width;
}
@Override
public void initialize(CeylonTool mainTool) {
if (!allPlumbing && !allPorcelain && (tools == null || tools.isEmpty())) {
throw new IllegalStateException("No tools to process");
}
if (index && format != Format.html) {
throw new IllegalStateException("--index is only supported when --format=html");
}
}
@Override
public void run() throws IOException {
List models = loadModels();
prepareDirectory();
generateDoc(models);
copyResources();
}
private List loadModels() {
List models = new ArrayList<>();
if (allPlumbing) {
for (String toolName : toolLoader.getToolNames()) {
ToolModel model = toolLoader.loadToolModel(toolName);
if (model.isPlumbing()) {
models.add(docBuilder.buildDoc(model));
}
}
}
if (allPorcelain) {
for (String toolName : toolLoader.getToolNames()) {
ToolModel model = toolLoader.loadToolModel(toolName);
if (model.isPorcelain()) {
models.add(docBuilder.buildDoc(model));
}
}
}
if (tools != null) {
for (ToolModel toolModel : tools) {
models.add(docBuilder.buildDoc(toolModel));
}
}
models.add(docBuilder.buildDoc(toolLoader.loadToolModel(""), true));
return models;
}
private void generateDoc(List docs)
throws IOException {
for (Doc doc : docs) {
File out = new File(applyCwd(dir), filename(doc));
try (FileWriter writer = new FileWriter(out)) {
Visitor visitor = format.newOutput(this, writer);
doc.accept(visitor);
}
}
if (index && format == Format.html) {
generateIndexHtml(docs);
}
}
private String filename(Doc doc) {
if(doc.getName().isEmpty())
return Tools.progName() + format.extension;
else
return Tools.progName() + "-" + doc.getName() + format.extension;
}
private void generateIndexHtml(List docs) throws IOException {
File indexFile = new File(applyCwd(dir), "index" + format.extension);
ResourceBundle bundle = CeylonHelpToolMessages.RESOURCE_BUNDLE;
try (FileWriter writer = new FileWriter(indexFile)) {
HtmlVisitor htmlOutput = (HtmlVisitor)Format.html.newOutput(this, writer);
AbstractMl html = htmlOutput.getHtml();
indexHeader(html, bundle.getString("index.title"), bundle.getString("index.overview"));
List porcelain = new ArrayList<>();
List plumbing = new ArrayList<>();
for (Doc model : docs) {
if (model.getToolModel().isPorcelain()
|| model.getName().isEmpty()) {
porcelain.add(model);
} else if (model.getToolModel().isPlumbing()) {
plumbing.add(model);
}
}
if (!porcelain.isEmpty()) {
generateToolList(porcelain, html, bundle.getString("index.porcelain.tools"));
}
if (!plumbing.isEmpty()) {
generateToolList(plumbing, html, bundle.getString("index.plumbing.tools"));
}
indexFooter(html);
}
}
private void indexHeader(AbstractMl html, String title, String overview) {
html.doctype("html").text("\n");
html.open("html", "head").text("\n");
html.tag("meta charset='UTF-8'").text("\n");
html.open("title").text(title).close("title").text("\n");
html.tag("link rel='stylesheet' type='text/css' href='bootstrap.min.css'").text("\n");
html.tag("link rel='stylesheet' type='text/css' href='doc-tool.css'").text("\n");
html.close("head").text("\n");
html.open("body").text("\n");
html.open("div class='navbar navbar-inverse navbar-static-top'").text("\n");
html.open("div class='navbar-inner'").text("\n");
html.open("a class='tool-header' href='index.html'").text("\n");
html.open("i class='tool-logo'").close("i").text("\n");
html.open("span class='tool-label'").text(title).close("span").text("\n");
html.open("span class='tool-name'").text(overview).close("span").text("\n");
html.close("a").text("\n");
html.close("div").text("\n");
html.close("div").text("\n");
html.tag("div class='tool-description'").text("\n");
html.open("div class='container-fluid'").text("\n");
}
private void indexFooter(AbstractMl html) {
html.close("div", "body", "html");
}
private void generateToolList(List docs, AbstractMl html, String title) {
html.open("table class='table table-condensed table-bordered table-hover'").text("\n");
html.open("thead").text("\n");
html.open("tr class='table-header'");
html.open("td colspan='2'").text(title).close("td");
html.close("tr").text("\n");
html.close("thead").text("\n");
html.open("tbody");
for (Doc doc : docs) {
html.open("tr");
html.open("td class='span3'", "a class='link' href='" + filename(doc) + "'");
html.open("code").text(Tools.progName() + " " + doc.getName()).close("code");
html.close("a", "td").text("\n");
html.open("td", "p");
html.text(doc.getSummary().getSummary());
html.close("p", "td");
html.close("tr").text("\n");
}
html.close("tbody").text("\n");
html.close("table").text("\n");
}
private void prepareDirectory() {
File actualDir = applyCwd(dir);
if (!actualDir.exists()) {
FileUtil.mkdirs(actualDir);
}
if (!actualDir.isDirectory()) {
throw new RuntimeException(dir + " is not a directory");
}
}
private void copyResources() throws IOException {
URL[] resources = format.supportingResources();
if (resources != null) {
for (URL resource : resources) {
copyResource(resource, applyCwd(dir));
}
}
}
private void copyResource(URL resource, File dir) throws IOException {
File toFile = new File(dir, new File(resource.getPath()).getName());
byte[] buf = new byte[1024];
try (InputStream in = resource.openStream()) {
try (BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(toFile))) {
int read = in.read(buf);
while (read != -1) {
out.write(buf, 0, read);
read = in.read(buf);
}
}
}
}
}
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