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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is HTML Parser C++ Translator code.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Henri Sivonen <hsivonen@iki.fi>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
package nu.validator.htmlparser.cpptranslate;
import japa.parser.JavaParser;
import japa.parser.ParseException;
import japa.parser.ast.CompilationUnit;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
public class Main {
static final String[] H_LIST = {
"Tokenizer",
"TreeBuilder",
"MetaScanner",
"AttributeName",
"ElementName",
"HtmlAttributes",
"StackNode",
"UTF16Buffer",
"StateSnapshot",
"Portability",
};
private static final String[] CPP_LIST = {
"Tokenizer",
"TreeBuilder",
"MetaScanner",
"AttributeName",
"ElementName",
"HtmlAttributes",
"StackNode",
"UTF16Buffer",
"StateSnapshot",
};
/**
* @param args
* @throws ParseException
* @throws IOException
*/
public static void main(String[] args) throws ParseException, IOException {
CppTypes cppTypes = new CppTypes(new File(args[2]));
SymbolTable symbolTable = new SymbolTable();
File javaDirectory = new File(args[0]);
File targetDirectory = new File(args[1]);
File cppDirectory = targetDirectory;
File javaCopyDirectory = new File(targetDirectory, "javasrc");
for (int i = 0; i < H_LIST.length; i++) {
parseFile(cppTypes, javaDirectory, cppDirectory, H_LIST[i], ".h", new HVisitor(cppTypes, symbolTable));
copyFile(new File(javaDirectory, H_LIST[i] + ".java"), new File(javaCopyDirectory, H_LIST[i] + ".java"));
}
for (int i = 0; i < CPP_LIST.length; i++) {
parseFile(cppTypes, javaDirectory, cppDirectory, CPP_LIST[i], ".cpp", new CppVisitor(cppTypes, symbolTable));
}
cppTypes.finished();
}
private static void copyFile(File input, File output) throws IOException {
if (input.getCanonicalFile().equals(output.getCanonicalFile())) {
return; // files are the same!
}
// This is horribly inefficient, but perf is not really much of a concern here.
FileInputStream in = new FileInputStream(input);
FileOutputStream out = new FileOutputStream(output);
int b;
while ((b = in.read()) != -1) {
out.write(b);
}
out.flush();
out.close();
in.close();
}
private static void parseFile(CppTypes cppTypes, File javaDirectory,
File cppDirectory, String className, String fne, CppVisitor visitor)
throws FileNotFoundException, UnsupportedEncodingException,
IOException {
File file = null;
try {
file = new File(javaDirectory, className + ".java");
String license = new LicenseExtractor(file).extract();
CompilationUnit cu = JavaParser.parse(new NoCppInputStream(
new CppOnlyInputStream(new FileInputStream(file))), "utf-8");
LabelVisitor labelVisitor = new LabelVisitor();
cu.accept(labelVisitor, null);
visitor.setLabels(labelVisitor.getLabels());
cu.accept(visitor, null);
FileOutputStream out = new FileOutputStream(new File(cppDirectory,
cppTypes.classPrefix() + className + fne));
OutputStreamWriter w = new OutputStreamWriter(out, "utf-8");
w.write(license);
w.write("\n\n/*\n * THIS IS A GENERATED FILE. PLEASE DO NOT EDIT.\n * Please edit "
+ className + ".java instead and regenerate.\n */\n\n");
w.write(visitor.getSource());
w.close();
} catch (ParseException e) {
System.err.println(file);
e.printStackTrace();
}
}
}
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