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GeezerVison is showing github.com — Stringbuffer/Stringbuffer.php at master · hoaproject/Stringbuffer
This repository was archived by the owner on Sep 20, 2021. It is now read-only.
Expand file tree/ Copy pathStringbuffer.phpMore file actions 286 lines (250 loc) · 6.77 KB / Copy pathStringbuffer.phpFile metadata and controls286 lines (250 loc) · 6.77 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 <?php /** * Hoa * * * @license * * New BSD License * * Copyright © 2007-2017, Hoa community. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of the Hoa nor the names of its contributors may be * used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ namespace Hoa\Stringbuffer; use Hoa\Consistency; use Hoa\Protocol; use Hoa\Stream; /** * Class \Hoa\Stringbuffer. * * This class allows to manipulate a string as a stream. * * @copyright Copyright © 2007-2017 Hoa community * @license New BSD License */ abstract class Stringbuffer extends Stream implements Stream\IStream\Bufferable, Stream\IStream\Lockable, Stream\IStream\Pointable { /** * String buffer index. * * @var int */ private static $_i = 0; /** * Open a new string buffer. * * @param string $streamName Stream name. * @throws \Hoa\Stream\Exception */ public function __construct($streamName = null) { if (null === $streamName) { $streamName = 'hoa://Library/Stringbuffer#' . self::$_i++; } parent::__construct($streamName, null); return; } /** * Open the stream and return the associated resource. * * @param string $streamName Stream name (here, it is * null). * @param \Hoa\Stream\Context $context Context. * @return resource * @throws \Hoa\Stringbuffer\Exception */ protected function &_open($streamName, Stream\Context $context = null) { if (false === $out = @tmpfile()) { throw new Exception('Failed to open a string buffer.', 0); } return $out; } /** * Close the current stream. * * @return bool */ protected function _close() { return @fclose($this->getStream()); } /** * Start a new buffer. * The callable acts like a light filter. * * @param mixed $callable Callable. * @param int $size Size. * @return int */ public function newBuffer($callable = null, $size = null) { $this->setStreamBuffer($size); //@TODO manage $callable as a filter? return 1; } /** * Flush the output to a stream. * * @return bool */ public function flush() { return fflush($this->getStream()); } /** * Delete buffer. * * @return bool */ public function deleteBuffer() { return $this->disableStreamBuffer(); } /** * Get bufffer level. * * @return int */ public function getBufferLevel() { return 1; } /** * Get buffer size. * * @return int */ public function getBufferSize() { return $this->getStreamBufferSize(); } /** * Portable advisory locking. * * @param int $operation Operation, use the * \Hoa\Stream\IStream\Lockable::LOCK_* constants. * @return bool */ public function lock($operation) { return flock($this->getStream(), $operation); } /** * Rewind the position of a stream pointer. * * @return bool */ public function rewind() { return rewind($this->getStream()); } /** * Seek on a stream pointer. * * @param int $offset Offset (negative value should be supported). * @param int $whence When, use the \Hoa\Stream\IStream\Pointable::SEEK_* * constants. * @return int */ public function seek($offset, $whence = Stream\IStream\Pointable::SEEK_SET) { return fseek($this->getStream(), $offset, $whence); } /** * Get the current position of the stream pointer. * * @return int */ public function tell() { $stream = $this->getStream(); if (null === $stream) { return 0; } return ftell($stream); } /** * Initialize the string buffer. * * @param string $string String. * @return \Hoa\Stringbuffer */ public function initializeWith($string) { ftruncate($this->getStream(), 0); fwrite($this->getStream(), $string, strlen($string)); $this->rewind(); return $this; } } /** * Class \Hoa\Stringbuffer\_Protocol. * * The `hoa://Library/Stringbuffer` node. * * @copyright Copyright © 2007-2017 Hoa community * @license New BSD License */ class _Protocol extends Protocol\Node { /** * Component's name. * * @var string */ protected $_name = 'Stringbuffer'; /** * ID of the component. * * @param string $id ID of the component. * @return mixed */ public function reachId($id) { $stream = resolve( 'hoa://Library/Stream#hoa://Library/Stringbuffer#' . $id ); if (null === $stream) { return null; } $meta = $stream->getStreamMetaData(); return $meta['uri']; } } /** * Flex entity. */ Consistency::flexEntity('Hoa\Stringbuffer\Stringbuffer'); /** * Add the `hoa://Library/Stringbuffer` node. Help to know the real path of a * stringbuffer. */ $protocol = Protocol::getInstance(); $protocol['Library'][] = new _Protocol(); |
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