OsmAnd translator
This commit is contained in:
aFedasenka
parent
e78b0bf915
commit
f5403dfc72
4 changed files with 456 additions and 24 deletions
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@ -5,18 +5,13 @@ import java.io.File;
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import java.io.FileReader;
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import java.io.IOException;
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import java.io.PrintStream;
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import java.lang.reflect.Field;
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import java.nio.charset.Charset;
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import java.util.List;
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import java.util.Map;
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import net.osmand.translator.utils.FieldsHandler;
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import net.osmand.translator.utils.MethodHandler;
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import org.eclipse.core.resources.IFile;
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import org.eclipse.core.resources.IProject;
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import org.eclipse.core.resources.IWorkspace;
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import org.eclipse.core.resources.IWorkspaceRoot;
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import org.eclipse.core.resources.ResourcesPlugin;
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import org.eclipse.core.runtime.CoreException;
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import org.eclipse.core.runtime.IPath;
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import org.eclipse.core.runtime.Path;
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import org.eclipse.jdt.core.ICompilationUnit;
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import org.eclipse.jdt.core.IJavaProject;
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import org.eclipse.jdt.core.IMethod;
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@ -25,29 +20,148 @@ import org.eclipse.jdt.core.IPackageFragmentRoot;
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import org.eclipse.jdt.core.IType;
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import org.eclipse.jdt.core.JavaCore;
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import org.eclipse.jdt.core.JavaModelException;
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import org.eclipse.jdt.core.compiler.IProblem;
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import org.eclipse.jdt.core.dom.AST;
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import org.eclipse.jdt.core.dom.ASTParser;
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import org.eclipse.jdt.core.dom.CompilationUnit;
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import org.eclipse.jface.text.Document;
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import com.google.common.collect.Lists;
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import com.google.common.io.Files;
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import com.google.devtools.j2objc.J2ObjC;
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import com.google.devtools.j2objc.Options;
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import com.google.devtools.j2objc.gen.ObjectiveCHeaderGenerator;
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import com.google.devtools.j2objc.gen.ObjectiveCImplementationGenerator;
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import com.google.devtools.j2objc.sym.Symbols;
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import com.google.devtools.j2objc.types.Types;
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import com.google.devtools.j2objc.util.ASTNodeException;
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import com.google.devtools.j2objc.util.NameTable;
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public class TranslationHandler {
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public static void execute(String inFile, PrintStream out) throws IOException {
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// parse "MapUtils.java"
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BufferedReader fr = new BufferedReader(new FileReader(new File(inFile)));
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String readLine;
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String buf = "";
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while ((readLine = fr.readLine()) != null) {
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buf += readLine;
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}
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fr.close();
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CompilationUnit parse = parse(buf);
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FieldsHandler.printFieldsInfo(parse, out);
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out.println();
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MethodHandler.printMethodsInfo(parse, out);
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// BufferedReader fr = new BufferedReader(new FileReader(new File(inFile)));
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// String readLine;
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// String buf = "";
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// while ((readLine = fr.readLine()) != null) {
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// buf += readLine;
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// }
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// fr.close();
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String source = Files.toString(new File(inFile), Charset.defaultCharset());
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CompilationUnit unit = parse(inFile, source);
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try {
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unit.recordModifications();
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NameTable.initialize(unit);
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Types.initialize(unit);
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Symbols.initialize(unit);
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String newSource = J2ObjC.translate(unit, source);
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if (unit.types().isEmpty()) {
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System.out.println("skipping dead file " + inFile);
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} else {
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if (Options.printConvertedSources()) {
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try {
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File outputFile = new File(Options.getOutputDirectory(), inFile);
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outputFile.getParentFile().mkdirs();
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Files.write(newSource, outputFile, Charset.defaultCharset());
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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System.out.println("writing output file(s) to " + Options.getOutputDirectory().getAbsolutePath());
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ObjectiveCHeaderGenerator.generate(inFile, source, unit);
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ObjectiveCImplementationGenerator.generate(inFile, Options.getLanguage(), unit, source);
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}
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} catch (ASTNodeException e) {
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e.printStackTrace();
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} finally {
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NameTable.cleanup();
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Symbols.cleanup();
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Types.cleanup();
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}
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}
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private static CompilationUnit parse(String filename, String source) {
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System.out.println("parsing " + filename);
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ASTParser parser = ASTParser.newParser(AST.JLS3);
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Map<String, String> compilerOptions = Options.getCompilerOptions();
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parser.setCompilerOptions(compilerOptions);
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parser.setSource(source.toCharArray());
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parser.setResolveBindings(true);
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setPaths(parser);
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parser.setUnitName(filename);
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CompilationUnit unit = (CompilationUnit) parser.createAST(null);
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for (IProblem problem : getCompilationErrors(unit)) {
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if (problem.isError()) {
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System.out.println(String.format("%s:%s: %s",
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filename, problem.getSourceLineNumber(), problem.getMessage()));
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}
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}
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return unit;
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}
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private static List<IProblem> getCompilationErrors(CompilationUnit unit) {
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List<IProblem> errors = Lists.newArrayList();
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for (IProblem problem : unit.getProblems()) {
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if (problem.isError()) {
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if (((problem.getID() & IProblem.ImportRelated) > 0) && Options.ignoreMissingImports()) {
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continue;
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} else {
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errors.add(problem);
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}
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}
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}
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return errors;
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}
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private static void setPaths(ASTParser parser) {
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// Add existing boot classpath after declared path, so that core files
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// referenced, but not being translated, are included. This only matters
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// when compiling the JRE emulation library sources.
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List<String> fullClasspath = Lists.newArrayList();
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String[] classpathEntries = Options.getClassPathEntries();
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for (int i = 0; i < classpathEntries.length; i++) {
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fullClasspath.add(classpathEntries[i]);
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}
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String bootclasspath = Options.getBootClasspath();
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for (String path : bootclasspath.split(":")) {
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// JDT requires that all path elements exist and can hold class files.
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File f = new File(path);
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if (f.exists() && (f.isDirectory() || path.endsWith(".jar"))) {
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fullClasspath.add(path);
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}
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}
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parser.setEnvironment(fullClasspath.toArray(new String[0]), Options.getSourcePathEntries(),
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null, true);
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// Workaround for ASTParser.setEnvironment() bug, which ignores its
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// last parameter. This has been fixed in the Eclipse post-3.7 Java7
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// branch.
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try {
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Field field = parser.getClass().getDeclaredField("bits");
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field.setAccessible(true);
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int bits = field.getInt(parser);
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// Turn off CompilationUnitResolver.INCLUDE_RUNNING_VM_BOOTCLASSPATH
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bits &= ~0x20;
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field.setInt(parser, bits);
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} catch (Exception e) {
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// should never happen, since only the one known class is manipulated
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e.printStackTrace();
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System.exit(1);
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}
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}
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///////////////////////////////////////////////////////
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////////////////////// OLD ////////////////////////////
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///////////////////////////////////////////////////////
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private static CompilationUnit parse(String source) {
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ASTParser parser = ASTParser.newParser(AST.JLS3);
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parser.setResolveBindings(true);
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@ -62,7 +176,6 @@ public class TranslationHandler {
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return unit;
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}
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private void printProjectInfo(IProject project) throws CoreException, JavaModelException {
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System.out.println("Working in project " + project.getName());
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// Check if we have a Java project
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@ -120,5 +233,4 @@ public class TranslationHandler {
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}
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}
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}
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@ -1,13 +1,20 @@
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package net.osmand.translator.utils;
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import java.io.PrintStream;
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import java.util.List;
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import net.osmand.translator.visitor.MethodVisitor;
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import org.eclipse.jdt.core.dom.ASTNode;
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import org.eclipse.jdt.core.dom.Block;
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import org.eclipse.jdt.core.dom.CompilationUnit;
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import org.eclipse.jdt.core.dom.Expression;
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import org.eclipse.jdt.core.dom.IVariableBinding;
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import org.eclipse.jdt.core.dom.MethodDeclaration;
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import org.eclipse.jdt.core.dom.Type;
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import org.eclipse.jdt.core.dom.VariableDeclarationFragment;
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import com.google.devtools.j2objc.gen.ObjectiveCHeaderGenerator;
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public class MethodHandler extends AbstractHandler{
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@ -38,6 +45,12 @@ public class MethodHandler extends AbstractHandler{
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private static void applyParameters(MethodDeclaration method, StringBuffer buffer) {
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List parameters = method.parameters();
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for (Object p : parameters) {
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ASTNode node = (ASTNode)p;
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buffer.append(node.toString() + ", ");
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}
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buffer.deleteCharAt(buffer.length()-2);
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}
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private static void fillBody(MethodDeclaration method, StringBuffer buffer) {
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@ -46,6 +59,8 @@ public class MethodHandler extends AbstractHandler{
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buffer.append(body);
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}
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private void parseSimpleForStatement() {
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}
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@ -0,0 +1,297 @@
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/**
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* This utility class includes :
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* 1. distance algorithms
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* 2. finding center for array of nodes
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* 3. tile evaluation algorithms
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*
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*
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*/
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public class MapUtils_1 {
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private static final String BASE_SHORT_OSM_URL = "http://osm.org/go/";
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/**
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* This array is a lookup table that translates 6-bit positive integger
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* index values into their "Base64 Alphabet" equivalents as specified
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* in Table 1 of RFC 2045.
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*/
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private static final char intToBase64[] = {
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'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
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'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
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'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
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'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
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'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '_', '@'
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};
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/**
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* Gets distance in meters
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*/
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public static double getDistance(double lat1, double lon1, double lat2, double lon2){
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double R = 6371; // km
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double dLat = Math.toRadians(lat2-lat1);
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double dLon = Math.toRadians(lon2-lon1);
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double a = Math.sin(dLat/2) * Math.sin(dLat/2) +
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Math.cos(Math.toRadians(lat1)) * Math.cos(Math.toRadians(lat2)) *
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Math.sin(dLon/2) * Math.sin(dLon/2);
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double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
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return R * c * 1000;
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}
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public static double checkLongitude(double longitude) {
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while (longitude < -180 || longitude > 180) {
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if (longitude < 0) {
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longitude += 360;
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} else {
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longitude -= 360;
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}
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}
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return longitude;
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}
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public static double checkLatitude(double latitude) {
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while (latitude < -90 || latitude > 90) {
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if (latitude < 0) {
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latitude += 180;
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} else {
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latitude -= 180;
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}
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}
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if(latitude < -85.0511) {
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return -85.0511;
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} else if(latitude > 85.0511){
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return 85.0511;
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}
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return latitude;
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}
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public static int get31TileNumberX(double longitude){
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longitude = checkLongitude(longitude);
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long l = 1l << 31;
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return (int)((longitude + 180d)/360d * l);
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}
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public static int get31TileNumberY( double latitude){
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latitude = checkLatitude(latitude);
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double eval = Math.log( Math.tan(Math.toRadians(latitude)) + 1/Math.cos(Math.toRadians(latitude)) );
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long l = 1l << 31;
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if(eval > Math.PI){
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eval = Math.PI;
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}
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return (int) ((1 - eval / Math.PI) / 2 * l);
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}
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public static double get31LongitudeX(int tileX){
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return getLongitudeFromTile(21, tileX /1024f);
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}
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public static double get31LatitudeY(int tileY){
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return getLatitudeFromTile(21, tileY /1024f);
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}
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/**
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*
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* Theses methods operate with degrees (evaluating tiles & vice versa)
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* degree longitude measurements (-180, 180) [27.56 Minsk]
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// degree latitude measurements (90, -90) [53.9]
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*/
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public static double getTileNumberX(float zoom, double longitude){
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if(longitude == 180d) {
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return getPowZoom(zoom) - 1;
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}
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longitude = checkLongitude(longitude);
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return (longitude + 180d)/360d * getPowZoom(zoom);
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}
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public static double getTileNumberY(float zoom, double latitude){
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latitude = checkLatitude(latitude);
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double eval = Math.log( Math.tan(Math.toRadians(latitude)) + 1/Math.cos(Math.toRadians(latitude)) );
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if (Double.isInfinite(eval) || Double.isNaN(eval)) {
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latitude = latitude < 0 ? - 89.9 : 89.9;
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eval = Math.log( Math.tan(Math.toRadians(latitude)) + 1/Math.cos(Math.toRadians(latitude)) );
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}
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double result = (1 - eval / Math.PI) / 2 * getPowZoom(zoom);
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return result;
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}
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public static double getTileEllipsoidNumberY(float zoom, double latitude){
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final double E2 = (double) latitude * Math.PI / 180;
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final long sradiusa = 6378137;
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final long sradiusb = 6356752;
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final double J2 = (double) Math.sqrt(sradiusa * sradiusa - sradiusb * sradiusb) / sradiusa;
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final double M2 = (double) Math.log((1 + Math.sin(E2))
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/ (1 - Math.sin(E2)))/ 2- J2 * Math.log((1 + J2 * Math.sin(E2))/ (1 - J2 * Math.sin(E2))) / 2;
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final double B2 = getPowZoom(zoom);
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return B2 / 2 - M2 * B2 / 2 / Math.PI;
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}
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public static double getLatitudeFromEllipsoidTileY(float zoom, float tileNumberY){
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final double MerkElipsK = 0.0000001;
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final long sradiusa = 6378137;
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final long sradiusb = 6356752;
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final double FExct = (double) Math.sqrt(sradiusa * sradiusa
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- sradiusb * sradiusb)
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/ sradiusa;
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final double TilesAtZoom = getPowZoom(zoom);
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double result = (tileNumberY - TilesAtZoom / 2)
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/ -(TilesAtZoom / (2 * Math.PI));
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result = (2 * Math.atan(Math.exp(result)) - Math.PI / 2) * 180
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/ Math.PI;
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double Zu = result / (180 / Math.PI);
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double yy = (tileNumberY - TilesAtZoom / 2);
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double Zum1 = Zu;
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Zu = Math.asin(1 - ((1 + Math.sin(Zum1)) * Math.pow(1 - FExct * Math.sin(Zum1), FExct))
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/ (Math.exp((2 * yy) / -(TilesAtZoom / (2 * Math.PI))) * Math.pow(1 + FExct * Math.sin(Zum1), FExct)));
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while (Math.abs(Zum1 - Zu) >= MerkElipsK) {
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Zum1 = Zu;
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Zu = Math.asin(1 - ((1 + Math.sin(Zum1)) * Math.pow(1 - FExct * Math.sin(Zum1), FExct))
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/ (Math.exp((2 * yy) / -(TilesAtZoom / (2 * Math.PI))) * Math.pow(1 + FExct * Math.sin(Zum1), FExct)));
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}
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return Zu * 180 / Math.PI;
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}
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public static double getLongitudeFromTile(float zoom, double x) {
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return x / getPowZoom(zoom) * 360.0 - 180.0;
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}
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public static double getPowZoom(float zoom){
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if(zoom >= 0 && zoom - Math.floor(zoom) < 0.05f){
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return 1 << ((int)zoom);
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} else {
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return Math.pow(2, zoom);
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}
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}
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public static float calcDiffPixelX(float rotateSin, float rotateCos, float dTileX, float dTileY, float tileSize){
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return (rotateCos * dTileX - rotateSin * dTileY) * tileSize ;
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}
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public static float calcDiffPixelY(float rotateSin, float rotateCos, float dTileX, float dTileY, float tileSize){
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return (rotateSin * dTileX + rotateCos * dTileY) * tileSize ;
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}
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public static double getLatitudeFromTile(float zoom, double y){
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int sign = y < 0 ? -1 : 1;
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double result = Math.atan(sign*Math.sinh(Math.PI * (1 - 2 * y / getPowZoom(zoom)))) * 180d / Math.PI;
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return result;
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}
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public static int getPixelShiftX(int zoom, double long1, double long2, int tileSize){
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return (int) ((getTileNumberX(zoom, long1) - getTileNumberX(zoom, long2)) * tileSize);
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}
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public static int getPixelShiftY(int zoom, double lat1, double lat2, int tileSize){
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return (int) ((getTileNumberY(zoom, lat1) - getTileNumberY(zoom, lat2)) * tileSize);
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}
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// Examples
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// System.out.println(buildShortOsmUrl(51.51829d, 0.07347d, 16)); // http://osm.org/go/0EEQsyfu
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// System.out.println(buildShortOsmUrl(52.30103d, 4.862927d, 18)); // http://osm.org/go/0E4_JiVhs
|
||||
// System.out.println(buildShortOsmUrl(40.59d, -115.213d, 9)); // http://osm.org/go/TelHTB--
|
||||
public static String buildShortOsmUrl(double latitude, double longitude, int zoom){
|
||||
long lat = (long) (((latitude + 90d)/180d)*(1l << 32));
|
||||
long lon = (long) (((longitude + 180d)/360d)*(1l << 32));
|
||||
long code = interleaveBits(lon, lat);
|
||||
StringBuilder str = new StringBuilder(10);
|
||||
str.append(BASE_SHORT_OSM_URL);
|
||||
// add eight to the zoom level, which approximates an accuracy of one pixel in a tile.
|
||||
for(int i=0; i< Math.ceil((zoom+8)/3d); i++){
|
||||
str.append(intToBase64[(int) ((code >> (58 - 6 * i)) & 0x3f)]);
|
||||
}
|
||||
// append characters onto the end of the string to represent
|
||||
// partial zoom levels (characters themselves have a granularity of 3 zoom levels).
|
||||
for(int j=0; j< (zoom + 8) % 3 ; j++){
|
||||
str.append('-');
|
||||
}
|
||||
str.append("?m");
|
||||
return str.toString();
|
||||
}
|
||||
|
||||
/**
|
||||
* interleaves the bits of two 32-bit numbers. the result is known as a Morton code.
|
||||
*/
|
||||
private static long interleaveBits(long x, long y){
|
||||
long c = 0;
|
||||
for(byte b = 31; b>=0; b--){
|
||||
c = (c << 1) | ((x >> b) & 1);
|
||||
c = (c << 1) | ((y >> b) & 1);
|
||||
}
|
||||
return c;
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculate rotation diff D, that R (rotate) + D = T (targetRotate)
|
||||
* D is between -180, 180
|
||||
* @param rotate
|
||||
* @param targetRotate
|
||||
* @return
|
||||
*/
|
||||
public static float unifyRotationDiff(float rotate, float targetRotate) {
|
||||
float d = targetRotate - rotate;
|
||||
while(d >= 180){
|
||||
d -= 360;
|
||||
}
|
||||
while(d < -180){
|
||||
d += 360;
|
||||
}
|
||||
return d;
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculate rotation diff D, that R (rotate) + D = T (targetRotate)
|
||||
* D is between -180, 180
|
||||
* @param rotate
|
||||
* @param targetRotate
|
||||
* @return
|
||||
*/
|
||||
public static float unifyRotationTo360(float rotate) {
|
||||
while(rotate < 0){
|
||||
rotate += 360;
|
||||
}
|
||||
while(rotate > 360){
|
||||
rotate -= 360;
|
||||
}
|
||||
return rotate;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param diff align difference between 2 angles ]-PI, PI]
|
||||
* @return
|
||||
*/
|
||||
public static double alignAngleDifference(double diff) {
|
||||
while(diff > Math.PI) {
|
||||
diff -= 2 * Math.PI;
|
||||
}
|
||||
while(diff <=-Math.PI) {
|
||||
diff += 2 * Math.PI;
|
||||
}
|
||||
return diff;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @param diff align difference between 2 angles ]-180, 180]
|
||||
* @return
|
||||
*/
|
||||
public static double degreesDiff(double a1, double a2) {
|
||||
double diff = a1 - a2;
|
||||
while(diff > 180) {
|
||||
diff -= 360;
|
||||
}
|
||||
while(diff <=-180) {
|
||||
diff += 360;
|
||||
}
|
||||
return diff;
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -0,0 +1,8 @@
|
|||
public class Simple {
|
||||
|
||||
public Simple() {}
|
||||
|
||||
public static int sum (int a, int b) {
|
||||
return a + b;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue