\r
#if NET_4_5\r
readonly bool leave_open;\r
- Task async_task;\r
+ IDecoupledTask async_task;\r
#endif\r
\r
public new static readonly StreamWriter Null = new StreamWriter (Stream.Null, Encoding.UTF8Unmarked, 1);\r
}\r
}\r
\r
+ void LowLevelWrite (char[] buffer, int index, int count)\r
+ {\r
+ while (count > 0) {\r
+ int todo = decode_buf.Length - decode_pos;\r
+ if (todo == 0) {\r
+ Decode ();\r
+ todo = decode_buf.Length;\r
+ }\r
+ if (todo > count)\r
+ todo = count;\r
+ Buffer.BlockCopy (buffer, index * 2, decode_buf, decode_pos * 2, todo * 2);\r
+ count -= todo;\r
+ index += todo;\r
+ decode_pos += todo;\r
+ }\r
+ }\r
+ \r
+ void LowLevelWrite (string s)\r
+ {\r
+ int count = s.Length;\r
+ int index = 0;\r
+ while (count > 0) {\r
+ int todo = decode_buf.Length - decode_pos;\r
+ if (todo == 0) {\r
+ Decode ();\r
+ todo = decode_buf.Length;\r
+ }\r
+ if (todo > count)\r
+ todo = count;\r
+ \r
+ for (int i = 0; i < todo; i ++)\r
+ decode_buf [i + decode_pos] = s [i + index];\r
+ \r
+ count -= todo;\r
+ index += todo;\r
+ decode_pos += todo;\r
+ }\r
+ } \r
+\r
#if NET_4_5\r
async Task FlushCoreAsync ()\r
{\r
decode_pos = 0;\r
}\r
} \r
-#endif\r
\r
- public override void Write (char[] buffer, int index, int count) \r
- {\r
- if (buffer == null)\r
- throw new ArgumentNullException ("buffer");\r
- if (index < 0)\r
- throw new ArgumentOutOfRangeException ("index", "< 0");\r
- if (count < 0)\r
- throw new ArgumentOutOfRangeException ("count", "< 0");\r
- // re-ordered to avoid possible integer overflow\r
- if (index > buffer.Length - count)\r
- throw new ArgumentException ("index + count > buffer.Length");\r
-\r
- CheckState ();\r
-\r
- LowLevelWrite (buffer, index, count);\r
- if (iflush)\r
- FlushCore ();\r
- }\r
- \r
- void LowLevelWrite (char[] buffer, int index, int count)\r
+ async Task LowLevelWriteAsync (char[] buffer, int index, int count)\r
{\r
while (count > 0) {\r
int todo = decode_buf.Length - decode_pos;\r
if (todo == 0) {\r
- Decode ();\r
+ await DecodeAsync ().ConfigureAwait (false);\r
todo = decode_buf.Length;\r
}\r
if (todo > count)\r
}\r
}\r
\r
- void LowLevelWrite (string s)\r
+ async Task LowLevelWriteAsync (string s)\r
{\r
int count = s.Length;\r
int index = 0;\r
while (count > 0) {\r
int todo = decode_buf.Length - decode_pos;\r
if (todo == 0) {\r
- Decode ();\r
+ await DecodeAsync ().ConfigureAwait (false);\r
todo = decode_buf.Length;\r
}\r
if (todo > count)\r
index += todo;\r
decode_pos += todo;\r
}\r
- }\r
+ } \r
+#endif\r
+\r
+ public override void Write (char[] buffer, int index, int count) \r
+ {\r
+ if (buffer == null)\r
+ throw new ArgumentNullException ("buffer");\r
+ if (index < 0)\r
+ throw new ArgumentOutOfRangeException ("index", "< 0");\r
+ if (count < 0)\r
+ throw new ArgumentOutOfRangeException ("count", "< 0");\r
+ // re-ordered to avoid possible integer overflow\r
+ if (index > buffer.Length - count)\r
+ throw new ArgumentException ("index + count > buffer.Length");\r
\r
+ CheckState ();\r
+\r
+ LowLevelWrite (buffer, index, count);\r
+ if (iflush)\r
+ FlushCore ();\r
+ }\r
+ \r
public override void Write (char value)\r
{\r
CheckState ();\r
{\r
CheckState ();\r
\r
- if (value != null)\r
- LowLevelWrite (value);\r
+ if (value == null)\r
+ return;\r
+ \r
+ LowLevelWrite (value);\r
\r
if (iflush)\r
FlushCore ();\r
public override Task FlushAsync ()\r
{\r
CheckState ();\r
- return async_task = FlushCoreAsync ();\r
+ DecoupledTask res;\r
+ async_task = res = new DecoupledTask (FlushCoreAsync ());\r
+ return res.Task;\r
}\r
\r
public override Task WriteAsync (char value)\r
{\r
CheckState ();\r
- return async_task = WriteAsyncCore (value);\r
+\r
+ DecoupledTask res;\r
+ async_task = res = new DecoupledTask (WriteAsyncCore (value));\r
+ return res.Task;\r
}\r
\r
async Task WriteAsyncCore (char value)\r
if (buffer == null)\r
return TaskConstants.Finished;\r
\r
- return async_task = WriteAsyncCore (buffer, index, count);\r
+ DecoupledTask res;\r
+ async_task = res = new DecoupledTask (WriteAsyncCore (buffer, index, count));\r
+ return res.Task;\r
}\r
\r
async Task WriteAsyncCore (char[] buffer, int index, int count)\r
{\r
// Debug.Assert (buffer == null);\r
\r
- LowLevelWrite (buffer, 0, buffer.Length);\r
+ await LowLevelWriteAsync (buffer, index, count).ConfigureAwait (false);\r
\r
if (iflush)\r
await FlushCoreAsync ().ConfigureAwait (false);\r
public override Task WriteAsync (string value)\r
{\r
CheckState ();\r
- return async_task = base.WriteAsync (value);\r
+\r
+ if (value == null)\r
+ return TaskConstants.Finished;\r
+\r
+ DecoupledTask res; \r
+ async_task = res = new DecoupledTask (WriteAsyncCore (value, false));\r
+ return res.Task;\r
}\r
\r
+ async Task WriteAsyncCore (string value, bool appendNewLine)\r
+ {\r
+ // Debug.Assert (value == null);\r
+\r
+ await LowLevelWriteAsync (value).ConfigureAwait (false);\r
+ if (appendNewLine)\r
+ await LowLevelWriteAsync (CoreNewLine, 0, CoreNewLine.Length).ConfigureAwait (false);\r
+ \r
+ if (iflush)\r
+ await FlushCoreAsync ().ConfigureAwait (false);\r
+ } \r
+\r
public override Task WriteLineAsync ()\r
{\r
CheckState ();\r
- return async_task = base.WriteLineAsync ();\r
+\r
+ DecoupledTask res;\r
+ async_task = res = new DecoupledTask (WriteAsyncCore (CoreNewLine, 0, CoreNewLine.Length));\r
+ return res.Task;\r
}\r
\r
public override Task WriteLineAsync (char value)\r
{\r
CheckState ();\r
- return async_task = base.WriteLineAsync (value);\r
+ DecoupledTask res;\r
+ async_task = res = new DecoupledTask (WriteLineAsyncCore (value));\r
+ return res.Task;\r
}\r
\r
+ async Task WriteLineAsyncCore (char value)\r
+ {\r
+ await WriteAsyncCore (value).ConfigureAwait (false);\r
+ await LowLevelWriteAsync (CoreNewLine, 0, CoreNewLine.Length).ConfigureAwait (false);\r
+ \r
+ if (iflush)\r
+ await FlushCoreAsync ().ConfigureAwait (false);\r
+ } \r
+\r
public override Task WriteLineAsync (char[] buffer, int index, int count)\r
{\r
+ if (buffer == null)\r
+ throw new ArgumentNullException ("buffer");\r
+ if (index < 0)\r
+ throw new ArgumentOutOfRangeException ("index", "< 0");\r
+ if (count < 0)\r
+ throw new ArgumentOutOfRangeException ("count", "< 0");\r
+ // re-ordered to avoid possible integer overflow\r
+ if (index > buffer.Length - count)\r
+ throw new ArgumentException ("index + count > buffer.Length");\r
+\r
CheckState ();\r
- return async_task = base.WriteLineAsync (buffer, index, count);\r
+ DecoupledTask res;\r
+ async_task = res = new DecoupledTask (WriteLineAsyncCore (buffer, index, count));\r
+ return res.Task;\r
}\r
\r
+ async Task WriteLineAsyncCore (char[] buffer, int index, int count)\r
+ {\r
+ // Debug.Assert (buffer == null);\r
+\r
+ await LowLevelWriteAsync (buffer, index, count).ConfigureAwait (false);\r
+ await LowLevelWriteAsync (CoreNewLine, 0, CoreNewLine.Length).ConfigureAwait (false);\r
+ \r
+ if (iflush)\r
+ await FlushCoreAsync ().ConfigureAwait (false);\r
+ } \r
+\r
public override Task WriteLineAsync (string value)\r
{\r
+ if (value == null)\r
+ return WriteLineAsync ();\r
+\r
CheckState ();\r
- return async_task = base.WriteLineAsync (value);\r
+ DecoupledTask res; \r
+ async_task = res = new DecoupledTask (WriteAsyncCore (value, true));\r
+ return res.Task;\r
}\r
#endif\r
}\r
projects / mono.git / blobdiff