Create PropGen.java

Former-commit-id: d30747327a

etc/build/PropGen.java

@@ -0,0 +1,235 @@
+package com.mxgraph.properties;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.text.Bidi;
+
+import javax.swing.JFileChooser;
+import javax.swing.filechooser.FileNameExtensionFilter;
+
+/**
+ * Takes an English properties file and uses a tsv output of translations
+ * of each word/phrase to generate the properties files for all supported
+ * languages.
+ * 
+ * The reason for using tsv (tab separated values) is so that commas 
+ * may be used in the translations.
+ *
+ */
+public class PropGen
+{
+	/**
+	 * Whether or not to use the mxGraph % sign encoding for unicode
+	 */
+	public static boolean encodeValues = false;
+
+	/**
+	 * Specifies the file extension.
+	 */
+	public static String fileExtension = "txt";
+
+	/**
+	 * @param args
+	 */
+	public static void main(String[] args)
+	{
+		File tsvFile = selectFile("Select TSV file", "tsv");
+
+		if (tsvFile != null)
+		{
+			try
+			{
+				execute(tsvFile);
+			}
+			catch (IOException e)
+			{
+				e.printStackTrace();
+			}
+		}
+	}
+
+	/**
+	 * Creates the translations for the given files.
+	 */
+	public static void execute(File tsvFile) throws IOException
+	{
+		if (tsvFile != null)
+		{
+			BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream(tsvFile), "UTF-8"));
+
+			// First line contains full language names
+			in.readLine();
+
+			// Second line contains file extensions
+			String line = in.readLine();
+
+			if (line != null)
+			{
+				String[] codes = line.split("\t");
+
+				if (codes.length > 0)
+				{
+					if (codes[0].equals(""))
+					{
+						codes[0] = "i18n";
+					}
+					
+					StringBuilder[] outputFiles = new StringBuilder[codes.length];
+
+					while ((line = in.readLine()) != null)
+					{
+						String[] entries = line.split("\t");
+
+						if (entries.length > 1)
+						{
+							String key = entries[0];
+
+							if (key != null && key.length() > 0)
+							{
+								for (int i = 0; i < outputFiles.length; i++)
+								{
+									if (!codes[i].equals(""))
+									{
+										if (outputFiles[i] == null)
+										{
+											outputFiles[i] = new StringBuilder();
+										}
+										
+										if (codes[i] == "i18n")
+										{
+											outputFiles[i].append(key + "=" + key + "\n");
+										}
+										else
+										{
+											String value = (entries.length > i) ? entries[i] : "";
+	
+											// Empty entries will be translated to English
+											if (value.equals(""))
+											{
+												value = entries[1];
+											}
+	
+											if (PropGen.encodeValues)
+											{
+												value = encodeString(value);
+											}
+	
+											String lang = codes[i].toLowerCase();
+											boolean rtl = false;
+											
+											if (lang.equals("ar") || lang.equals("fa") || lang.equals("he"))
+											{
+												Bidi bidi = new Bidi(value, 0);
+												
+												if (!bidi.isLeftToRight())
+												{
+													System.out.println(value);
+													rtl = true;
+												}
+											}
+											
+											if (rtl)
+											{
+												outputFiles[i].append(key + "=" + "\u202B" + value + "\u202C" + "\n");
+											}
+											else
+											{
+												outputFiles[i].append(key + "=" + value + "\n");
+											}
+										}
+									}
+								}
+							}
+						}
+					}
+
+					for (int i = 0; i < codes.length; i++)
+					{
+						if (!codes[i].equals(""))
+						{
+							String ext = (codes[i].equals("en")) ? "" : "_" + codes[i].toLowerCase();
+							File file = new File(tsvFile.getParent() + "/dia" + ext + "." + fileExtension);
+							BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), "UTF-8"));
+							writer.write("# *DO NOT DIRECTLY EDIT THIS FILE, IT IS AUTOMATICALLY GENERATED AND IT IS BASED ON:*\n");
+							writer.write("# https://docs.google.com/spreadsheet/ccc?key=0AmQEO36liL4FdDJLWVNMaVV2UmRKSnpXU09MYkdGbEE\n");
+
+							writer.write(outputFiles[i].toString());
+							writer.close();
+
+							System.out.println(file.getAbsolutePath() + " created");
+						}
+					}
+				}
+			}
+
+			in.close();
+		}
+		else
+		{
+			System.out.println("No file specified");
+		}
+	}
+
+	/**
+	 * Encodes the given string.
+	 */
+	public static String encodeString(String value)
+	{
+		StringBuilder result = new StringBuilder();
+		value = value.trim();
+
+		for (int j = 0; j < value.length(); j++)
+		{
+			char character = value.charAt(j);
+
+			String hexString = Integer.toHexString(character);
+
+			// +255 value must have 4 digits, 3 doesn't work
+			if (hexString.length() == 3)
+			{
+				hexString = "0" + hexString;
+			}
+
+			// Have to convert '%' too
+			if (character == 37 || (character > 127 && character < 256))
+			{
+				result.append("%" + hexString);
+			}
+			else if (character > 255)
+			{
+				result.append("%u" + hexString);
+			}
+			else
+			{
+				result.append(value.substring(j, j + 1));
+			}
+		}
+
+		return result.toString();
+	}
+
+	/**
+	 * Shows a file dialog.
+	 */
+	public static File selectFile(String title, String extension)
+	{
+		JFileChooser chooser = new JFileChooser();
+		chooser.addChoosableFileFilter(new FileNameExtensionFilter(extension.toUpperCase() + " File", extension));
+		chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
+		chooser.setDialogTitle(title);
+
+		if (chooser.showOpenDialog(chooser) == JFileChooser.APPROVE_OPTION)
+		{
+			return chooser.getSelectedFile();
+		}
+
+		return null;
+	}
+
+}