An ant task to generate our own custom resource bundles for actionscript.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4593 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/tools/GenActionScriptBundlesTask.java

@@ -0,0 +1,138 @@
+//
+// $Id$
+
+package com.threerings.presents.tools;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.PrintWriter;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.Map;
+import java.util.Properties;
+
+import com.samskivert.util.StringUtil;
+
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.DirectoryScanner;
+import org.apache.tools.ant.Task;
+import org.apache.tools.ant.types.FileSet;
+import org.apache.tools.ant.types.Reference;
+import org.apache.tools.ant.util.ClasspathUtils;
+
+/**
+ * Generates our own ResourceBundle classes.
+ */
+public class GenActionScriptBundlesTask extends Task
+{
+    public void addFileset (FileSet set)
+    {
+        _filesets.add(set);
+    }
+
+    public void setAsroot (File asroot)
+    {
+        _asroot = asroot;
+    }
+
+    public void execute ()
+        throws BuildException
+    {
+        // boilerplate
+        for (FileSet fs : _filesets) {
+            DirectoryScanner ds = fs.getDirectoryScanner(getProject());
+            File fromDir = fs.getDir(getProject());
+            String[] srcFiles = ds.getIncludedFiles();
+            for (int f = 0; f < srcFiles.length; f++) {
+                try {
+                    processBundle(new File(fromDir, srcFiles[f]));
+                } catch (IOException ioe) {
+                    throw new BuildException(ioe);
+                }
+            }
+        }
+    }
+
+    protected void processBundle (File source)
+        throws IOException
+    {
+        Properties props = new Properties();
+        props.load(new FileInputStream(source));
+
+        String name = source.getName();
+        name = name.replace('.', '_');
+        File outfile = new File(_asroot, name + ".as");
+        PrintWriter out = new PrintWriter(outfile);
+
+        out.println("package {");
+        out.println();
+        out.println("import com.threerings.util.ResourceBundle;");
+        out.println();
+        out.println("// Generated at " + new Date());
+        out.println("public class " + name + " extends ResourceBundle");
+        out.println("{");
+        out.println("    override protected function getContent () :Object");
+        out.println("    {");
+        out.println("        var data :Array = [");
+        for (Map.Entry entry : props.entrySet()) {
+            String key = saveConvert((String) entry.getKey());
+            String val = saveConvert((String) entry.getValue());
+            out.println("            \"" + key + "\", \"" + val + "\",");
+        }
+        out.println("            null];");
+        out.println("        var o :Object = new Object();");
+        out.println("        for (var ii :int = 0; ii < data.length; ii += 2) {");
+        out.println("            o[data[ii]] = data[ii + 1];");
+        out.println("        }");
+        out.println("        return o;");
+        out.println("   }");
+        out.println("}}");
+        out.close();
+    }
+
+    /**
+     * Convert a string to be safe to output inside a string constant.
+     */
+    protected String saveConvert (String str)
+    {
+        int len = str.length();
+        StringBuilder buf = new StringBuilder(len * 2);
+
+        for (int ii = 0; ii < len; ii++) {
+            char ch = str.charAt(ii);
+            switch (ch) {
+            case '\\':
+            case '"':
+                buf.append('\\').append(ch);
+                break;
+
+            case '\t':
+                buf.append('\\').append('t');
+                break;
+
+            case '\n':
+                buf.append('\\').append('n');
+                break;
+
+            case '\r':
+                buf.append('\\').append('r');
+                break;
+
+            case '\f':
+                buf.append('\\').append('f');
+                break;
+
+            default:
+                buf.append(ch);
+                break;
+            }
+        }
+        return buf.toString();
+    }
+
+    protected ArrayList<FileSet> _filesets = new ArrayList<FileSet>();
+
+    protected File _asroot;
+}