Nice/stdlib/nice/io file.nice,1.2,1.3

Update of /cvsroot/nice/Nice/stdlib/nice/io
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv23336/stdlib/nice/io

Modified Files:
	file.nice 
Log Message:
nice.io builds and tests correctly.

Index: file.nice
===================================================================
RCS file: /cvsroot/nice/Nice/stdlib/nice/io/file.nice,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** file.nice	4 Mar 2005 09:48:16 -0000	1.2
--- file.nice	4 Mar 2005 21:36:09 -0000	1.3
***************
*** 52,56 ****
   * all subdirectories which match the filter.
   */
! void->File traverse(File dir, File->boolean filter = always(true))
    requires dir.isDirectory() :  "Only directories can be passed to traverse()."
  { 
--- 52,58 ----
   * all subdirectories which match the filter.
   */
! void->File traverse(File dir, File->boolean filter = always(true),
! 		    (File,File)->int sortBy = 
! 		          (File f, File f2) => f.compareTo(f2))
    requires dir.isDirectory() :  "Only directories can be passed to traverse()."
  { 
***************
*** 58,62 ****
    //Java doesn't do tail call elimination...
    let stack = new Stack();
!   var current = dir.listDir(filter).iterator();
    return () => {
      while(!current.hasNext()) {
--- 60,66 ----
    //Java doesn't do tail call elimination...
    let stack = new Stack();
!   var list = dir.listDir(filter).toArrayList();
!   list.sort(sortBy);
!   var current = list.iterator();
    return () => {
      while(!current.hasNext()) {
***************
*** 70,74 ****
      if (f.isDirectory()) {
        stack.push(current);
!       current = f.listDir(filter).iterator();
      }
      return f;
--- 74,80 ----
      if (f.isDirectory()) {
        stack.push(current);
!       list = f.listDir(filter).toArrayList();
!       list.sort(sortBy);
!       current = list.iterator();
      }
      return f;
***************
*** 134,138 ****
  			                new java.io.FileInputStream(file), encoding)
                              );
!   void close() { input.close(); stop(); }
    return ()=> {
      try {
--- 140,144 ----
  			                new java.io.FileInputStream(file), encoding)
                              );
!   String close() { input.close(); return stop(); }
    return ()=> {
      try {
***************
*** 146,149 ****
--- 152,183 ----
  
  /**
+  * Writes all the lines yielded by the <code>lines</code> parameter
+  * to a file.
+  */
+ void writeLines(File file, void->String lines, ?String encoding = null)
+ {
+   using(let writer = new java.io.BufferedWriter(
+ 			(encoding == null) 
+ 			? new java.io.FileWriter(file)
+ 			: new java.io.OutputStreamWriter(
+ 				new java.io.FileOutputStream(file), encoding)))
+   {
+     for(line:lines.iterator())
+       {
+ 	writer.write(line);
+ 	writer.newLine();
+       }
+   }
+ }
+ 
+ /**
+  * Writes all the line in the list to a file.
+  */
+ void writeLines(File file, List<String> lines, ?String encoding = null)
+ {
+   file.writeLines(lines.generator());
+ }
+ 
+ /**
   * Returns the standard temp directory. 
   */
***************
*** 214,224 ****
        assert res.equals(file) : "Expected " + file + " got " + res;
      }
-     test(tmpdir/"one"/"two");  
-     test(tmpdir/"one"/"two"/"three");
-     test(tmpdir/"one"/"two"/"c.txt");
-     test(tmpdir/"one"/"four");
-     test(tmpdir/"one"/"four"/"d.txt");
      test(tmpdir/"one"/"a.txt");
      test(tmpdir/"one"/"b.bmp");    
      try {
        gen();
--- 248,258 ----
        assert res.equals(file) : "Expected " + file + " got " + res;
      }
      test(tmpdir/"one"/"a.txt");
      test(tmpdir/"one"/"b.bmp");    
+     test(tmpdir/"one"/"four");
+     test(tmpdir/"one"/"four"/"d.txt");
+     test(tmpdir/"one"/"two");  
+     test(tmpdir/"one"/"two"/"c.txt");
+     test(tmpdir/"one"/"two"/"three");
      try {
        gen();
***************
*** 236,242 ****
        assert res.equals(file) : "Expected " + file + " got " + res;
      }
      test(tmpdir/"one"/"two");  
      test(tmpdir/"one"/"two"/"three");
-     test(tmpdir/"one"/"four");
      try {
        gen();
--- 270,276 ----
        assert res.equals(file) : "Expected " + file + " got " + res;
      }
+     test(tmpdir/"one"/"four");
      test(tmpdir/"one"/"two");  
      test(tmpdir/"one"/"two"/"three");
      try {
        gen();
***************
*** 256,263 ****
        assert res.equals(file) : "Expected " + file + " got " + res;
      }
      test(tmpdir/"one"/"two");  
      test(tmpdir/"one"/"two"/"three");
-     test(tmpdir/"one"/"four");
-     test(tmpdir/"one"/"b.bmp");    
      try {
        gen();
--- 290,297 ----
        assert res.equals(file) : "Expected " + file + " got " + res;
      }
+     test(tmpdir/"one"/"b.bmp");    
+     test(tmpdir/"one"/"four");
      test(tmpdir/"one"/"two");  
      test(tmpdir/"one"/"two"/"three");
      try {
        gen();
***************
*** 267,270 ****
--- 301,318 ----
  }
  
+ void _testLines()
+ {
+   let lines = ["Line 1", "Line 2", "Line 3"];
+   let f = createTempFile("_testLines", ".tmp");
+   f.writeLines(lines);
+   let lines2 = f.readLines().toList().toArray();
+   f.delete();
+   assert lines.size == lines2.size;
+   for(int i = 0; i < lines.size; i++)
+     {
+       assert lines[i].equals(lines2[i]): "Expected: " lines[i] ", got: " lines2[i];
+     }
+ }
+ 
  
  



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