Initial revision

From-SVN: r26263
1999-04-07 14:42:40 +00:00
parent 140fa895c6
commit ee9dd3721b
370 changed files with 173494 additions and 0 deletions
@@ -0,0 +1,82 @@
+/* Copyright (C) 1999  Cygnus Solutions
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+
+package gnu.gcj.convert; 
+ 
+/** Convert Unicode to Ascii with \ u XXXX-escapes. */
+
+public class Output_JavaSrc extends UnicodeToBytes
+{
+  public String getName() { return "JavaSrc"; }
+
+  // Number of bytes remaining before pending_char has been written.
+  int todo;
+ int pending_char;
+
+  public int write (char[] inbuffer, int inpos, int inlength)
+  {
+    int start_pos = inpos;
+    int avail = buf.length - count;
+    for (;;)
+      {
+	if (avail == 0)
+	  break;
+	switch (todo)
+	  {
+	  case 1:
+	    if (pending_char == '\\')
+	      {
+		buf[count++] = (byte) '\\';
+		avail--;
+		todo = 0;
+		continue;
+	      }
+	    /* ... else fall through ... */
+	  case 2:
+	  case 3:
+	  case 4:
+	    todo--;
+	    int digit = ((int) pending_char >> (todo * 4)) & 0xF;
+	    buf[count++] = (byte) Character.forDigit(digit, 16);
+	    avail--;
+	    continue;
+	  case 5:
+	    buf[count++] = (byte) 'u';
+	    avail--;
+	    todo = 4;
+	    continue;
+	  default:
+	    ;
+	  }
+	if (inlength == 0)
+	  break;
+	char ch = inbuffer[inpos++];
+	inlength--;
+	if (ch == '\\')
+	  {
+	    buf[count++] = (byte) '\\';
+	    pending_char = ch;
+	    todo = 1;
+	    avail--;
+	  }
+	else if (ch < 127)
+	  {
+	    buf[count++] = (byte) ch;
+	    avail--;
+	  }
+	else
+	  {
+	    buf[count++] = (byte) '\\';
+	    pending_char = ch;
+	    todo = 5;
+	    avail--;
+	  }
+      }
+    return inpos - start_pos;
+  }
+}