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349 lines
10 KiB
PHTML
349 lines
10 KiB
PHTML
5 years ago
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<?php
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/**********************************************************\
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| hprose |
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| Official WebSite: http://www.hprose.com/ |
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| http://www.hprose.net/ |
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| http://www.hprose.org/ |
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\**********************************************************/
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/**********************************************************\
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* *
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* HproseIOStream.php *
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* *
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* hprose io stream library for php5. *
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* *
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* LastModified: Nov 12, 2013 *
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* Author: Ma Bingyao <andot@hprfc.com> *
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* *
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\**********************************************************/
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abstract class HproseAbstractStream {
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public abstract function close();
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public abstract function getc();
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public abstract function read($length);
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public abstract function readuntil($char);
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public abstract function seek($offset, $whence = SEEK_SET);
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public abstract function mark();
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public abstract function unmark();
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public abstract function reset();
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public abstract function skip($n);
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public abstract function eof();
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public abstract function write($string, $length = -1);
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}
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class HproseStringStream extends HproseAbstractStream {
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protected $buffer;
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protected $pos;
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protected $mark;
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protected $length;
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public function __construct($string = '') {
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$this->buffer = $string;
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$this->pos = 0;
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$this->mark = -1;
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$this->length = strlen($string);
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}
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public function close() {
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$this->buffer = NULL;
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$this->pos = 0;
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$this->mark = -1;
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$this->length = 0;
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}
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public function length() {
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return $this->length;
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}
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public function getc() {
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return $this->buffer{$this->pos++};
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}
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public function read($length) {
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$s = substr($this->buffer, $this->pos, $length);
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$this->skip($length);
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return $s;
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}
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public function readuntil($tag) {
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$pos = strpos($this->buffer, $tag, $this->pos);
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if ($pos !== false) {
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$s = substr($this->buffer, $this->pos, $pos - $this->pos);
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$this->pos = $pos + strlen($tag);
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}
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else {
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$s = substr($this->buffer, $this->pos);
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$this->pos = $this->length;
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}
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return $s;
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}
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public function seek($offset, $whence = SEEK_SET) {
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switch ($whence) {
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case SEEK_SET:
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$this->pos = $offset;
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break;
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case SEEK_CUR:
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$this->pos += $offset;
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break;
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case SEEK_END:
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$this->pos = $this->length + $offset;
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break;
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}
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$this->mark = -1;
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return 0;
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}
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public function mark() {
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$this->mark = $this->pos;
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}
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public function unmark() {
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$this->mark = -1;
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}
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public function reset() {
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if ($this->mark != -1) {
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$this->pos = $this->mark;
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}
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}
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public function skip($n) {
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$this->pos += $n;
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}
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public function eof() {
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return ($this->pos >= $this->length);
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}
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public function write($string, $length = -1) {
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if ($length == -1) {
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$this->buffer .= $string;
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$length = strlen($string);
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}
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else {
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$this->buffer .= substr($string, 0, $length);
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}
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$this->length += $length;
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}
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public function toString() {
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return $this->buffer;
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}
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}
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class HproseFileStream extends HproseAbstractStream {
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protected $fp;
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protected $buf;
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protected $unmark;
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protected $pos;
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protected $length;
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public function __construct($fp) {
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$this->fp = $fp;
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$this->buf = "";
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$this->unmark = true;
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$this->pos = -1;
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$this->length = 0;
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}
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public function close() {
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return fclose($this->fp);
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}
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public function getc() {
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if ($this->pos == -1) {
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return fgetc($this->fp);
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}
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elseif ($this->pos < $this->length) {
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return $this->buf{$this->pos++};
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}
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elseif ($this->unmark) {
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$this->buf = "";
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$this->pos = -1;
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$this->length = 0;
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return fgetc($this->fp);
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}
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elseif (($c = fgetc($this->fp)) !== false) {
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$this->buf .= $c;
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$this->pos++;
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$this->length++;
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}
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return $c;
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}
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public function read($length) {
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if ($this->pos == -1) {
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return fread($this->fp, $length);
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}
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elseif ($this->pos < $this->length) {
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$len = $this->length - $this->pos;
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if ($len < $length) {
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$s = fread($this->fp, $length - $len);
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$this->buf .= $s;
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$this->length += strlen($s);
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}
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$s = substr($this->buf, $this->pos, $length);
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$this->pos += strlen($s);
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}
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elseif ($this->unmark) {
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$this->buf = "";
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$this->pos = -1;
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$this->length = 0;
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return fread($this->fp, $length);
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}
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elseif (($s = fread($this->fp, $length)) !== "") {
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$this->buf .= $s;
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$len = strlen($s);
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$this->pos += $len;
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$this->length += $len;
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}
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return $s;
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}
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public function readuntil($char) {
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$s = '';
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while ((($c = $this->getc()) != $char) && $c !== false) $s .= $c;
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return $s;
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}
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public function seek($offset, $whence = SEEK_SET) {
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if (fseek($this->fp, $offset, $whence) == 0) {
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$this->buf = "";
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$this->unmark = true;
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$this->pos = -1;
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$this->length = 0;
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return 0;
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}
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return -1;
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}
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public function mark() {
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$this->unmark = false;
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if ($this->pos == -1) {
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$this->buf = "";
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$this->pos = 0;
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$this->length = 0;
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}
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elseif ($this->pos > 0) {
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$this->buf = substr($this->buf, $this->pos);
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$this->length -= $this->pos;
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$this->pos = 0;
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}
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}
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public function unmark() {
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$this->unmark = true;
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}
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public function reset() {
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$this->pos = 0;
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}
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public function skip($n) {
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$this->read($n);
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}
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public function eof() {
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if (($this->pos != -1) && ($this->pos < $this->length)) return false;
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return feof($this->fp);
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}
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public function write($string, $length = -1) {
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if ($length == -1) $length = strlen($string);
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return fwrite($this->fp, $string, $length);
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}
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}
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class HproseProcStream extends HproseAbstractStream {
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protected $process;
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protected $pipes;
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protected $buf;
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protected $unmark;
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protected $pos;
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protected $length;
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public function __construct($process, $pipes) {
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$this->process = $process;
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$this->pipes = $pipes;
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$this->buf = "";
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$this->unmark = true;
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$this->pos = -1;
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$this->length = 0;
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}
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public function close() {
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fclose($this->pipes[0]);
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fclose($this->pipes[1]);
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proc_close($this->process);
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}
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public function getc() {
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if ($this->pos == -1) {
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return fgetc($this->pipes[1]);
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}
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elseif ($this->pos < $this->length) {
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return $this->buf{$this->pos++};
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}
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elseif ($this->unmark) {
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$this->buf = "";
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$this->pos = -1;
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$this->length = 0;
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return fgetc($this->pipes[1]);
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}
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elseif (($c = fgetc($this->pipes[1])) !== false) {
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$this->buf .= $c;
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$this->pos++;
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$this->length++;
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}
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return $c;
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}
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public function read($length) {
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if ($this->pos == -1) {
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return fread($this->pipes[1], $length);
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}
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elseif ($this->pos < $this->length) {
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$len = $this->length - $this->pos;
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if ($len < $length) {
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$s = fread($this->pipes[1], $length - $len);
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$this->buf .= $s;
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$this->length += strlen($s);
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}
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$s = substr($this->buf, $this->pos, $length);
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$this->pos += strlen($s);
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}
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elseif ($this->unmark) {
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$this->buf = "";
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$this->pos = -1;
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$this->length = 0;
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return fread($this->pipes[1], $length);
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}
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elseif (($s = fread($this->pipes[1], $length)) !== "") {
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$this->buf .= $s;
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$len = strlen($s);
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$this->pos += $len;
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$this->length += $len;
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}
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return $s;
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}
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public function readuntil($char) {
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$s = '';
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while ((($c = $this->getc()) != $char) && $c !== false) $s .= $c;
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return $s;
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}
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public function seek($offset, $whence = SEEK_SET) {
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if (fseek($this->pipes[1], $offset, $whence) == 0) {
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$this->buf = "";
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$this->unmark = true;
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$this->pos = -1;
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$this->length = 0;
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return 0;
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}
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return -1;
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}
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public function mark() {
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$this->unmark = false;
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if ($this->pos == -1) {
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$this->buf = "";
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$this->pos = 0;
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$this->length = 0;
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}
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elseif ($this->pos > 0) {
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$this->buf = substr($this->buf, $this->pos);
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$this->length -= $this->pos;
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$this->pos = 0;
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}
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}
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public function unmark() {
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$this->unmark = true;
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}
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public function reset() {
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$this->pos = 0;
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}
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public function skip($n) {
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$this->read($n);
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}
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public function eof() {
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if (($this->pos != -1) && ($this->pos < $this->length)) return false;
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return feof($this->pipes[1]);
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}
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public function write($string, $length = -1) {
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if ($length == -1) $length = strlen($string);
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return fwrite($this->pipes[0], $string, $length);
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}
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}
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?>
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