| 1 | 1 |
new file mode 100644 |
| ... | ... |
@@ -0,0 +1,147 @@ |
| 1 |
+<?php |
|
| 2 |
+ |
|
| 3 |
+declare(strict_types=1); |
|
| 4 |
+ |
|
| 5 |
+namespace GuzzleHttp\Psr7; |
|
| 6 |
+ |
|
| 7 |
+use Psr\Http\Message\StreamInterface; |
|
| 8 |
+ |
|
| 9 |
+/** |
|
| 10 |
+ * Provides a buffer stream that can be written to to fill a buffer, and read |
|
| 11 |
+ * from to remove bytes from the buffer. |
|
| 12 |
+ * |
|
| 13 |
+ * This stream returns a "hwm" metadata value that tells upstream consumers |
|
| 14 |
+ * what the configured high water mark of the stream is, or the maximum |
|
| 15 |
+ * preferred size of the buffer. |
|
| 16 |
+ */ |
|
| 17 |
+final class BufferStream implements StreamInterface |
|
| 18 |
+{
|
|
| 19 |
+ /** @var int */ |
|
| 20 |
+ private $hwm; |
|
| 21 |
+ |
|
| 22 |
+ /** @var string */ |
|
| 23 |
+ private $buffer = ''; |
|
| 24 |
+ |
|
| 25 |
+ /** |
|
| 26 |
+ * @param int $hwm High water mark, representing the preferred maximum |
|
| 27 |
+ * buffer size. If the size of the buffer exceeds the high |
|
| 28 |
+ * water mark, then calls to write will continue to succeed |
|
| 29 |
+ * but will return 0 to inform writers to slow down |
|
| 30 |
+ * until the buffer has been drained by reading from it. |
|
| 31 |
+ */ |
|
| 32 |
+ public function __construct(int $hwm = 16384) |
|
| 33 |
+ {
|
|
| 34 |
+ $this->hwm = $hwm; |
|
| 35 |
+ } |
|
| 36 |
+ |
|
| 37 |
+ public function __toString(): string |
|
| 38 |
+ {
|
|
| 39 |
+ return $this->getContents(); |
|
| 40 |
+ } |
|
| 41 |
+ |
|
| 42 |
+ public function getContents(): string |
|
| 43 |
+ {
|
|
| 44 |
+ $buffer = $this->buffer; |
|
| 45 |
+ $this->buffer = ''; |
|
| 46 |
+ |
|
| 47 |
+ return $buffer; |
|
| 48 |
+ } |
|
| 49 |
+ |
|
| 50 |
+ public function close(): void |
|
| 51 |
+ {
|
|
| 52 |
+ $this->buffer = ''; |
|
| 53 |
+ } |
|
| 54 |
+ |
|
| 55 |
+ public function detach() |
|
| 56 |
+ {
|
|
| 57 |
+ $this->close(); |
|
| 58 |
+ |
|
| 59 |
+ return null; |
|
| 60 |
+ } |
|
| 61 |
+ |
|
| 62 |
+ public function getSize(): ?int |
|
| 63 |
+ {
|
|
| 64 |
+ return strlen($this->buffer); |
|
| 65 |
+ } |
|
| 66 |
+ |
|
| 67 |
+ public function isReadable(): bool |
|
| 68 |
+ {
|
|
| 69 |
+ return true; |
|
| 70 |
+ } |
|
| 71 |
+ |
|
| 72 |
+ public function isWritable(): bool |
|
| 73 |
+ {
|
|
| 74 |
+ return true; |
|
| 75 |
+ } |
|
| 76 |
+ |
|
| 77 |
+ public function isSeekable(): bool |
|
| 78 |
+ {
|
|
| 79 |
+ return false; |
|
| 80 |
+ } |
|
| 81 |
+ |
|
| 82 |
+ public function rewind(): void |
|
| 83 |
+ {
|
|
| 84 |
+ $this->seek(0); |
|
| 85 |
+ } |
|
| 86 |
+ |
|
| 87 |
+ public function seek($offset, $whence = SEEK_SET): void |
|
| 88 |
+ {
|
|
| 89 |
+ throw new \RuntimeException('Cannot seek a BufferStream');
|
|
| 90 |
+ } |
|
| 91 |
+ |
|
| 92 |
+ public function eof(): bool |
|
| 93 |
+ {
|
|
| 94 |
+ return strlen($this->buffer) === 0; |
|
| 95 |
+ } |
|
| 96 |
+ |
|
| 97 |
+ public function tell(): int |
|
| 98 |
+ {
|
|
| 99 |
+ throw new \RuntimeException('Cannot determine the position of a BufferStream');
|
|
| 100 |
+ } |
|
| 101 |
+ |
|
| 102 |
+ /** |
|
| 103 |
+ * Reads data from the buffer. |
|
| 104 |
+ */ |
|
| 105 |
+ public function read($length): string |
|
| 106 |
+ {
|
|
| 107 |
+ $currentLength = strlen($this->buffer); |
|
| 108 |
+ |
|
| 109 |
+ if ($length >= $currentLength) {
|
|
| 110 |
+ // No need to slice the buffer because we don't have enough data. |
|
| 111 |
+ $result = $this->buffer; |
|
| 112 |
+ $this->buffer = ''; |
|
| 113 |
+ } else {
|
|
| 114 |
+ // Slice up the result to provide a subset of the buffer. |
|
| 115 |
+ $result = substr($this->buffer, 0, $length); |
|
| 116 |
+ $this->buffer = substr($this->buffer, $length); |
|
| 117 |
+ } |
|
| 118 |
+ |
|
| 119 |
+ return $result; |
|
| 120 |
+ } |
|
| 121 |
+ |
|
| 122 |
+ /** |
|
| 123 |
+ * Writes data to the buffer. |
|
| 124 |
+ */ |
|
| 125 |
+ public function write($string): int |
|
| 126 |
+ {
|
|
| 127 |
+ $this->buffer .= $string; |
|
| 128 |
+ |
|
| 129 |
+ if (strlen($this->buffer) >= $this->hwm) {
|
|
| 130 |
+ return 0; |
|
| 131 |
+ } |
|
| 132 |
+ |
|
| 133 |
+ return strlen($string); |
|
| 134 |
+ } |
|
| 135 |
+ |
|
| 136 |
+ /** |
|
| 137 |
+ * @return mixed |
|
| 138 |
+ */ |
|
| 139 |
+ public function getMetadata($key = null) |
|
| 140 |
+ {
|
|
| 141 |
+ if ($key === 'hwm') {
|
|
| 142 |
+ return $this->hwm; |
|
| 143 |
+ } |
|
| 144 |
+ |
|
| 145 |
+ return $key ? null : []; |
|
| 146 |
+ } |
|
| 147 |
+} |
| 1 | 1 |
deleted file mode 100644 |
| ... | ... |
@@ -1,140 +0,0 @@ |
| 1 |
-<?php |
|
| 2 |
- |
|
| 3 |
-namespace GuzzleHttp\Psr7; |
|
| 4 |
- |
|
| 5 |
-use Psr\Http\Message\StreamInterface; |
|
| 6 |
- |
|
| 7 |
-/** |
|
| 8 |
- * Provides a buffer stream that can be written to to fill a buffer, and read |
|
| 9 |
- * from to remove bytes from the buffer. |
|
| 10 |
- * |
|
| 11 |
- * This stream returns a "hwm" metadata value that tells upstream consumers |
|
| 12 |
- * what the configured high water mark of the stream is, or the maximum |
|
| 13 |
- * preferred size of the buffer. |
|
| 14 |
- */ |
|
| 15 |
-class BufferStream implements StreamInterface |
|
| 16 |
-{
|
|
| 17 |
- private $hwm; |
|
| 18 |
- private $buffer = ''; |
|
| 19 |
- |
|
| 20 |
- /** |
|
| 21 |
- * @param int $hwm High water mark, representing the preferred maximum |
|
| 22 |
- * buffer size. If the size of the buffer exceeds the high |
|
| 23 |
- * water mark, then calls to write will continue to succeed |
|
| 24 |
- * but will return false to inform writers to slow down |
|
| 25 |
- * until the buffer has been drained by reading from it. |
|
| 26 |
- */ |
|
| 27 |
- public function __construct($hwm = 16384) |
|
| 28 |
- {
|
|
| 29 |
- $this->hwm = $hwm; |
|
| 30 |
- } |
|
| 31 |
- |
|
| 32 |
- public function __toString() |
|
| 33 |
- {
|
|
| 34 |
- return $this->getContents(); |
|
| 35 |
- } |
|
| 36 |
- |
|
| 37 |
- public function getContents() |
|
| 38 |
- {
|
|
| 39 |
- $buffer = $this->buffer; |
|
| 40 |
- $this->buffer = ''; |
|
| 41 |
- |
|
| 42 |
- return $buffer; |
|
| 43 |
- } |
|
| 44 |
- |
|
| 45 |
- public function close() |
|
| 46 |
- {
|
|
| 47 |
- $this->buffer = ''; |
|
| 48 |
- } |
|
| 49 |
- |
|
| 50 |
- public function detach() |
|
| 51 |
- {
|
|
| 52 |
- $this->close(); |
|
| 53 |
- |
|
| 54 |
- return null; |
|
| 55 |
- } |
|
| 56 |
- |
|
| 57 |
- public function getSize() |
|
| 58 |
- {
|
|
| 59 |
- return strlen($this->buffer); |
|
| 60 |
- } |
|
| 61 |
- |
|
| 62 |
- public function isReadable() |
|
| 63 |
- {
|
|
| 64 |
- return true; |
|
| 65 |
- } |
|
| 66 |
- |
|
| 67 |
- public function isWritable() |
|
| 68 |
- {
|
|
| 69 |
- return true; |
|
| 70 |
- } |
|
| 71 |
- |
|
| 72 |
- public function isSeekable() |
|
| 73 |
- {
|
|
| 74 |
- return false; |
|
| 75 |
- } |
|
| 76 |
- |
|
| 77 |
- public function rewind() |
|
| 78 |
- {
|
|
| 79 |
- $this->seek(0); |
|
| 80 |
- } |
|
| 81 |
- |
|
| 82 |
- public function seek($offset, $whence = SEEK_SET) |
|
| 83 |
- {
|
|
| 84 |
- throw new \RuntimeException('Cannot seek a BufferStream');
|
|
| 85 |
- } |
|
| 86 |
- |
|
| 87 |
- public function eof() |
|
| 88 |
- {
|
|
| 89 |
- return strlen($this->buffer) === 0; |
|
| 90 |
- } |
|
| 91 |
- |
|
| 92 |
- public function tell() |
|
| 93 |
- {
|
|
| 94 |
- throw new \RuntimeException('Cannot determine the position of a BufferStream');
|
|
| 95 |
- } |
|
| 96 |
- |
|
| 97 |
- /** |
|
| 98 |
- * Reads data from the buffer. |
|
| 99 |
- */ |
|
| 100 |
- public function read($length) |
|
| 101 |
- {
|
|
| 102 |
- $currentLength = strlen($this->buffer); |
|
| 103 |
- |
|
| 104 |
- if ($length >= $currentLength) {
|
|
| 105 |
- // No need to slice the buffer because we don't have enough data. |
|
| 106 |
- $result = $this->buffer; |
|
| 107 |
- $this->buffer = ''; |
|
| 108 |
- } else {
|
|
| 109 |
- // Slice up the result to provide a subset of the buffer. |
|
| 110 |
- $result = substr($this->buffer, 0, $length); |
|
| 111 |
- $this->buffer = substr($this->buffer, $length); |
|
| 112 |
- } |
|
| 113 |
- |
|
| 114 |
- return $result; |
|
| 115 |
- } |
|
| 116 |
- |
|
| 117 |
- /** |
|
| 118 |
- * Writes data to the buffer. |
|
| 119 |
- */ |
|
| 120 |
- public function write($string) |
|
| 121 |
- {
|
|
| 122 |
- $this->buffer .= $string; |
|
| 123 |
- |
|
| 124 |
- // TODO: What should happen here? |
|
| 125 |
- if (strlen($this->buffer) >= $this->hwm) {
|
|
| 126 |
- return false; |
|
| 127 |
- } |
|
| 128 |
- |
|
| 129 |
- return strlen($string); |
|
| 130 |
- } |
|
| 131 |
- |
|
| 132 |
- public function getMetadata($key = null) |
|
| 133 |
- {
|
|
| 134 |
- if ($key == 'hwm') {
|
|
| 135 |
- return $this->hwm; |
|
| 136 |
- } |
|
| 137 |
- |
|
| 138 |
- return $key ? null : []; |
|
| 139 |
- } |
|
| 140 |
-} |
| 1 | 1 |
new file mode 100644 |
| ... | ... |
@@ -0,0 +1,140 @@ |
| 1 |
+<?php |
|
| 2 |
+ |
|
| 3 |
+namespace GuzzleHttp\Psr7; |
|
| 4 |
+ |
|
| 5 |
+use Psr\Http\Message\StreamInterface; |
|
| 6 |
+ |
|
| 7 |
+/** |
|
| 8 |
+ * Provides a buffer stream that can be written to to fill a buffer, and read |
|
| 9 |
+ * from to remove bytes from the buffer. |
|
| 10 |
+ * |
|
| 11 |
+ * This stream returns a "hwm" metadata value that tells upstream consumers |
|
| 12 |
+ * what the configured high water mark of the stream is, or the maximum |
|
| 13 |
+ * preferred size of the buffer. |
|
| 14 |
+ */ |
|
| 15 |
+class BufferStream implements StreamInterface |
|
| 16 |
+{
|
|
| 17 |
+ private $hwm; |
|
| 18 |
+ private $buffer = ''; |
|
| 19 |
+ |
|
| 20 |
+ /** |
|
| 21 |
+ * @param int $hwm High water mark, representing the preferred maximum |
|
| 22 |
+ * buffer size. If the size of the buffer exceeds the high |
|
| 23 |
+ * water mark, then calls to write will continue to succeed |
|
| 24 |
+ * but will return false to inform writers to slow down |
|
| 25 |
+ * until the buffer has been drained by reading from it. |
|
| 26 |
+ */ |
|
| 27 |
+ public function __construct($hwm = 16384) |
|
| 28 |
+ {
|
|
| 29 |
+ $this->hwm = $hwm; |
|
| 30 |
+ } |
|
| 31 |
+ |
|
| 32 |
+ public function __toString() |
|
| 33 |
+ {
|
|
| 34 |
+ return $this->getContents(); |
|
| 35 |
+ } |
|
| 36 |
+ |
|
| 37 |
+ public function getContents() |
|
| 38 |
+ {
|
|
| 39 |
+ $buffer = $this->buffer; |
|
| 40 |
+ $this->buffer = ''; |
|
| 41 |
+ |
|
| 42 |
+ return $buffer; |
|
| 43 |
+ } |
|
| 44 |
+ |
|
| 45 |
+ public function close() |
|
| 46 |
+ {
|
|
| 47 |
+ $this->buffer = ''; |
|
| 48 |
+ } |
|
| 49 |
+ |
|
| 50 |
+ public function detach() |
|
| 51 |
+ {
|
|
| 52 |
+ $this->close(); |
|
| 53 |
+ |
|
| 54 |
+ return null; |
|
| 55 |
+ } |
|
| 56 |
+ |
|
| 57 |
+ public function getSize() |
|
| 58 |
+ {
|
|
| 59 |
+ return strlen($this->buffer); |
|
| 60 |
+ } |
|
| 61 |
+ |
|
| 62 |
+ public function isReadable() |
|
| 63 |
+ {
|
|
| 64 |
+ return true; |
|
| 65 |
+ } |
|
| 66 |
+ |
|
| 67 |
+ public function isWritable() |
|
| 68 |
+ {
|
|
| 69 |
+ return true; |
|
| 70 |
+ } |
|
| 71 |
+ |
|
| 72 |
+ public function isSeekable() |
|
| 73 |
+ {
|
|
| 74 |
+ return false; |
|
| 75 |
+ } |
|
| 76 |
+ |
|
| 77 |
+ public function rewind() |
|
| 78 |
+ {
|
|
| 79 |
+ $this->seek(0); |
|
| 80 |
+ } |
|
| 81 |
+ |
|
| 82 |
+ public function seek($offset, $whence = SEEK_SET) |
|
| 83 |
+ {
|
|
| 84 |
+ throw new \RuntimeException('Cannot seek a BufferStream');
|
|
| 85 |
+ } |
|
| 86 |
+ |
|
| 87 |
+ public function eof() |
|
| 88 |
+ {
|
|
| 89 |
+ return strlen($this->buffer) === 0; |
|
| 90 |
+ } |
|
| 91 |
+ |
|
| 92 |
+ public function tell() |
|
| 93 |
+ {
|
|
| 94 |
+ throw new \RuntimeException('Cannot determine the position of a BufferStream');
|
|
| 95 |
+ } |
|
| 96 |
+ |
|
| 97 |
+ /** |
|
| 98 |
+ * Reads data from the buffer. |
|
| 99 |
+ */ |
|
| 100 |
+ public function read($length) |
|
| 101 |
+ {
|
|
| 102 |
+ $currentLength = strlen($this->buffer); |
|
| 103 |
+ |
|
| 104 |
+ if ($length >= $currentLength) {
|
|
| 105 |
+ // No need to slice the buffer because we don't have enough data. |
|
| 106 |
+ $result = $this->buffer; |
|
| 107 |
+ $this->buffer = ''; |
|
| 108 |
+ } else {
|
|
| 109 |
+ // Slice up the result to provide a subset of the buffer. |
|
| 110 |
+ $result = substr($this->buffer, 0, $length); |
|
| 111 |
+ $this->buffer = substr($this->buffer, $length); |
|
| 112 |
+ } |
|
| 113 |
+ |
|
| 114 |
+ return $result; |
|
| 115 |
+ } |
|
| 116 |
+ |
|
| 117 |
+ /** |
|
| 118 |
+ * Writes data to the buffer. |
|
| 119 |
+ */ |
|
| 120 |
+ public function write($string) |
|
| 121 |
+ {
|
|
| 122 |
+ $this->buffer .= $string; |
|
| 123 |
+ |
|
| 124 |
+ // TODO: What should happen here? |
|
| 125 |
+ if (strlen($this->buffer) >= $this->hwm) {
|
|
| 126 |
+ return false; |
|
| 127 |
+ } |
|
| 128 |
+ |
|
| 129 |
+ return strlen($string); |
|
| 130 |
+ } |
|
| 131 |
+ |
|
| 132 |
+ public function getMetadata($key = null) |
|
| 133 |
+ {
|
|
| 134 |
+ if ($key == 'hwm') {
|
|
| 135 |
+ return $this->hwm; |
|
| 136 |
+ } |
|
| 137 |
+ |
|
| 138 |
+ return $key ? null : []; |
|
| 139 |
+ } |
|
| 140 |
+} |