* second parameter in the constructor (e.g. whenusing very large MO files
* that you don't want to keep in memory)
*/
-class gettext_reader {
- //public:
- var $error = 0; // public variable that holds error code (0 if no error)
+class gettext_reader
+{
+ //public:
+ public $error = 0; // public variable that holds error code (0 if no error)
//private:
- var $BYTEORDER = 0; // 0: low endian, 1: big endian
- var $STREAM = NULL;
- var $short_circuit = false;
- var $enable_cache = false;
- var $originals = NULL; // offset of original table
- var $translations = NULL; // offset of translation table
- var $pluralheader = NULL; // cache header field for plural forms
- var $total = 0; // total string count
- var $table_originals = NULL; // table for original strings (offsets)
- var $table_translations = NULL; // table for translated strings (offsets)
- var $cache_translations = NULL; // original -> translation mapping
+ public $BYTEORDER = 0; // 0: low endian, 1: big endian
+ public $STREAM = null;
+ public $short_circuit = false;
+ public $enable_cache = false;
+ public $originals = null; // offset of original table
+ public $translations = null; // offset of translation table
+ public $pluralheader = null; // cache header field for plural forms
+ public $total = 0; // total string count
+ public $table_originals = null; // table for original strings (offsets)
+ public $table_translations = null; // table for translated strings (offsets)
+ public $cache_translations = null; // original -> translation mapping
/* Methods */
- /**
- * Reads a 32bit Integer from the Stream
- *
- * @access private
- * @return Integer from the Stream
- */
- function readint() {
- if ($this->BYTEORDER == 0) {
- // low endian
- $input=unpack('V', $this->STREAM->read(4));
- return array_shift($input);
- } else {
- // big endian
- $input=unpack('N', $this->STREAM->read(4));
- return array_shift($input);
- }
+ /**
+ * Reads a 32bit Integer from the Stream
+ *
+ * @access private
+ * @return Integer from the Stream
+ */
+ public function readint()
+ {
+ if ($this->BYTEORDER == 0) {
+ // low endian
+ $input=unpack('V', $this->STREAM->read(4));
+ return array_shift($input);
+ } else {
+ // big endian
+ $input=unpack('N', $this->STREAM->read(4));
+ return array_shift($input);
+ }
}
- function read($bytes) {
- return $this->STREAM->read($bytes);
- }
-
- /**
- * Reads an array of Integers from the Stream
- *
- * @param int count How many elements should be read
- * @return Array of Integers
- */
- function readintarray($count) {
- if ($this->BYTEORDER == 0) {
- // low endian
- return unpack('V'.$count, $this->STREAM->read(4 * $count));
- } else {
- // big endian
- return unpack('N'.$count, $this->STREAM->read(4 * $count));
- }
- }
-
- /**
- * Constructor
- *
- * @param object Reader the StreamReader object
- * @param boolean enable_cache Enable or disable caching of strings (default on)
- */
- function gettext_reader($Reader, $enable_cache = true) {
- // If there isn't a StreamReader, turn on short circuit mode.
- if (! $Reader || isset($Reader->error) ) {
- $this->short_circuit = true;
- return;
+ public function read($bytes)
+ {
+ return $this->STREAM->read($bytes);
}
- // Caching can be turned off
- $this->enable_cache = $enable_cache;
-
- $MAGIC1 = "\x95\x04\x12\xde";
- $MAGIC2 = "\xde\x12\x04\x95";
-
- $this->STREAM = $Reader;
- $magic = $this->read(4);
- if ($magic == $MAGIC1) {
- $this->BYTEORDER = 1;
- } elseif ($magic == $MAGIC2) {
- $this->BYTEORDER = 0;
- } else {
- $this->error = 1; // not MO file
- return false;
+ /**
+ * Reads an array of Integers from the Stream
+ *
+ * @param int count How many elements should be read
+ * @return Array of Integers
+ */
+ public function readintarray($count)
+ {
+ if ($this->BYTEORDER == 0) {
+ // low endian
+ return unpack('V'.$count, $this->STREAM->read(4 * $count));
+ } else {
+ // big endian
+ return unpack('N'.$count, $this->STREAM->read(4 * $count));
+ }
}
- // FIXME: Do we care about revision? We should.
- $revision = $this->readint();
-
- $this->total = $this->readint();
- $this->originals = $this->readint();
- $this->translations = $this->readint();
- }
-
- /**
- * Loads the translation tables from the MO file into the cache
- * If caching is enabled, also loads all strings into a cache
- * to speed up translation lookups
- *
- * @access private
- */
- function load_tables() {
- if (is_array($this->cache_translations) &&
- is_array($this->table_originals) &&
- is_array($this->table_translations))
- return;
-
- /* get original and translations tables */
- if (!is_array($this->table_originals)) {
- $this->STREAM->seekto($this->originals);
- $this->table_originals = $this->readintarray($this->total * 2);
+ /**
+ * Constructor
+ *
+ * @param object Reader the StreamReader object
+ * @param boolean enable_cache Enable or disable caching of strings (default on)
+ */
+ public function gettext_reader($Reader, $enable_cache = true)
+ {
+ // If there isn't a StreamReader, turn on short circuit mode.
+ if (! $Reader || isset($Reader->error)) {
+ $this->short_circuit = true;
+ return;
+ }
+
+ // Caching can be turned off
+ $this->enable_cache = $enable_cache;
+
+ $MAGIC1 = "\x95\x04\x12\xde";
+ $MAGIC2 = "\xde\x12\x04\x95";
+
+ $this->STREAM = $Reader;
+ $magic = $this->read(4);
+ if ($magic == $MAGIC1) {
+ $this->BYTEORDER = 1;
+ } elseif ($magic == $MAGIC2) {
+ $this->BYTEORDER = 0;
+ } else {
+ $this->error = 1; // not MO file
+ return false;
+ }
+
+ // FIXME: Do we care about revision? We should.
+ $revision = $this->readint();
+
+ $this->total = $this->readint();
+ $this->originals = $this->readint();
+ $this->translations = $this->readint();
}
- if (!is_array($this->table_translations)) {
- $this->STREAM->seekto($this->translations);
- $this->table_translations = $this->readintarray($this->total * 2);
+
+ /**
+ * Loads the translation tables from the MO file into the cache
+ * If caching is enabled, also loads all strings into a cache
+ * to speed up translation lookups
+ *
+ * @access private
+ */
+ public function load_tables()
+ {
+ if (is_array($this->cache_translations) &&
+ is_array($this->table_originals) &&
+ is_array($this->table_translations)) {
+ return;
+ }
+
+ /* get original and translations tables */
+ if (!is_array($this->table_originals)) {
+ $this->STREAM->seekto($this->originals);
+ $this->table_originals = $this->readintarray($this->total * 2);
+ }
+ if (!is_array($this->table_translations)) {
+ $this->STREAM->seekto($this->translations);
+ $this->table_translations = $this->readintarray($this->total * 2);
+ }
+
+ if ($this->enable_cache) {
+ $this->cache_translations = array();
+ /* read all strings in the cache */
+ for ($i = 0; $i < $this->total; $i++) {
+ $this->STREAM->seekto($this->table_originals[$i * 2 + 2]);
+ $original = $this->STREAM->read($this->table_originals[$i * 2 + 1]);
+ $this->STREAM->seekto($this->table_translations[$i * 2 + 2]);
+ $translation = $this->STREAM->read($this->table_translations[$i * 2 + 1]);
+ $this->cache_translations[$original] = $translation;
+ }
+ }
}
- if ($this->enable_cache) {
- $this->cache_translations = array ();
- /* read all strings in the cache */
- for ($i = 0; $i < $this->total; $i++) {
- $this->STREAM->seekto($this->table_originals[$i * 2 + 2]);
- $original = $this->STREAM->read($this->table_originals[$i * 2 + 1]);
- $this->STREAM->seekto($this->table_translations[$i * 2 + 2]);
- $translation = $this->STREAM->read($this->table_translations[$i * 2 + 1]);
- $this->cache_translations[$original] = $translation;
- }
+ /**
+ * Returns a string from the "originals" table
+ *
+ * @access private
+ * @param int num Offset number of original string
+ * @return string Requested string if found, otherwise ''
+ */
+ public function get_original_string($num)
+ {
+ $length = $this->table_originals[$num * 2 + 1];
+ $offset = $this->table_originals[$num * 2 + 2];
+ if (! $length) {
+ return '';
+ }
+ $this->STREAM->seekto($offset);
+ $data = $this->STREAM->read($length);
+ return (string)$data;
}
- }
-
- /**
- * Returns a string from the "originals" table
- *
- * @access private
- * @param int num Offset number of original string
- * @return string Requested string if found, otherwise ''
- */
- function get_original_string($num) {
- $length = $this->table_originals[$num * 2 + 1];
- $offset = $this->table_originals[$num * 2 + 2];
- if (! $length)
- return '';
- $this->STREAM->seekto($offset);
- $data = $this->STREAM->read($length);
- return (string)$data;
- }
-
- /**
- * Returns a string from the "translations" table
- *
- * @access private
- * @param int num Offset number of original string
- * @return string Requested string if found, otherwise ''
- */
- function get_translation_string($num) {
- $length = $this->table_translations[$num * 2 + 1];
- $offset = $this->table_translations[$num * 2 + 2];
- if (! $length)
- return '';
- $this->STREAM->seekto($offset);
- $data = $this->STREAM->read($length);
- return (string)$data;
- }
-
- /**
- * Binary search for string
- *
- * @access private
- * @param string string
- * @param int start (internally used in recursive function)
- * @param int end (internally used in recursive function)
- * @return int string number (offset in originals table)
- */
- function find_string($string, $start = -1, $end = -1) {
- if (($start == -1) or ($end == -1)) {
- // find_string is called with only one parameter, set start end end
- $start = 0;
- $end = $this->total;
+
+ /**
+ * Returns a string from the "translations" table
+ *
+ * @access private
+ * @param int num Offset number of original string
+ * @return string Requested string if found, otherwise ''
+ */
+ public function get_translation_string($num)
+ {
+ $length = $this->table_translations[$num * 2 + 1];
+ $offset = $this->table_translations[$num * 2 + 2];
+ if (! $length) {
+ return '';
+ }
+ $this->STREAM->seekto($offset);
+ $data = $this->STREAM->read($length);
+ return (string)$data;
}
- if (abs($start - $end) <= 1) {
- // We're done, now we either found the string, or it doesn't exist
- $txt = $this->get_original_string($start);
- if ($string == $txt)
- return $start;
- else
- return -1;
- } else if ($start > $end) {
- // start > end -> turn around and start over
- return $this->find_string($string, $end, $start);
- } else {
- // Divide table in two parts
- $half = (int)(($start + $end) / 2);
- $cmp = strcmp($string, $this->get_original_string($half));
- if ($cmp == 0)
- // string is exactly in the middle => return it
- return $half;
- else if ($cmp < 0)
- // The string is in the upper half
- return $this->find_string($string, $start, $half);
- else
- // The string is in the lower half
- return $this->find_string($string, $half, $end);
+
+ /**
+ * Binary search for string
+ *
+ * @access private
+ * @param string string
+ * @param int start (internally used in recursive function)
+ * @param int end (internally used in recursive function)
+ * @return int string number (offset in originals table)
+ */
+ public function find_string($string, $start = -1, $end = -1)
+ {
+ if (($start == -1) or ($end == -1)) {
+ // find_string is called with only one parameter, set start end end
+ $start = 0;
+ $end = $this->total;
+ }
+ if (abs($start - $end) <= 1) {
+ // We're done, now we either found the string, or it doesn't exist
+ $txt = $this->get_original_string($start);
+ if ($string == $txt) {
+ return $start;
+ } else {
+ return -1;
+ }
+ } elseif ($start > $end) {
+ // start > end -> turn around and start over
+ return $this->find_string($string, $end, $start);
+ } else {
+ // Divide table in two parts
+ $half = (int)(($start + $end) / 2);
+ $cmp = strcmp($string, $this->get_original_string($half));
+ if ($cmp == 0) {
+ // string is exactly in the middle => return it
+ return $half;
+ } elseif ($cmp < 0) {
+ // The string is in the upper half
+ return $this->find_string($string, $start, $half);
+ } else {
+ // The string is in the lower half
+ return $this->find_string($string, $half, $end);
+ }
+ }
}
- }
-
- /**
- * Translates a string
- *
- * @access public
- * @param string string to be translated
- * @return string translated string (or original, if not found)
- */
- function translate($string) {
- if ($this->short_circuit)
- return $string;
- $this->load_tables();
-
- if ($this->enable_cache) {
- // Caching enabled, get translated string from cache
- if (array_key_exists($string, $this->cache_translations))
- return $this->cache_translations[$string];
- else
- return $string;
- } else {
- // Caching not enabled, try to find string
- $num = $this->find_string($string);
- if ($num == -1)
- return $string;
- else
- return $this->get_translation_string($num);
+
+ /**
+ * Translates a string
+ *
+ * @access public
+ * @param string string to be translated
+ * @return string translated string (or original, if not found)
+ */
+ public function translate($string)
+ {
+ if ($this->short_circuit) {
+ return $string;
+ }
+ $this->load_tables();
+
+ if ($this->enable_cache) {
+ // Caching enabled, get translated string from cache
+ if (array_key_exists($string, $this->cache_translations)) {
+ return $this->cache_translations[$string];
+ } else {
+ return $string;
+ }
+ } else {
+ // Caching not enabled, try to find string
+ $num = $this->find_string($string);
+ if ($num == -1) {
+ return $string;
+ } else {
+ return $this->get_translation_string($num);
+ }
+ }
}
- }
-
- /**
- * Sanitize plural form expression for use in PHP eval call.
- *
- * @access private
- * @return string sanitized plural form expression
- */
- function sanitize_plural_expression($expr) {
- // Get rid of disallowed characters.
- $expr = preg_replace('@[^a-zA-Z0-9_:;\(\)\?\|\&=!<>+*/\%-]@', '', $expr);
-
- // Add parenthesis for tertiary '?' operator.
- $expr .= ';';
- $res = '';
- $p = 0;
- for ($i = 0; $i < strlen($expr); $i++) {
- $ch = $expr[$i];
- switch ($ch) {
+
+ /**
+ * Sanitize plural form expression for use in PHP eval call.
+ *
+ * @access private
+ * @return string sanitized plural form expression
+ */
+ public function sanitize_plural_expression($expr)
+ {
+ // Get rid of disallowed characters.
+ $expr = preg_replace('@[^a-zA-Z0-9_:;\(\)\?\|\&=!<>+*/\%-]@', '', $expr);
+
+ // Add parenthesis for tertiary '?' operator.
+ $expr .= ';';
+ $res = '';
+ $p = 0;
+ for ($i = 0; $i < strlen($expr); $i++) {
+ $ch = $expr[$i];
+ switch ($ch) {
case '?':
$res .= ' ? (';
$p++;
$res .= ') : (';
break;
case ';':
- $res .= str_repeat( ')', $p) . ';';
+ $res .= str_repeat(')', $p) . ';';
$p = 0;
break;
default:
$res .= $ch;
}
+ }
+ return $res;
}
- return $res;
- }
-
- /**
- * Parse full PO header and extract only plural forms line.
- *
- * @access private
- * @return string verbatim plural form header field
- */
- function extract_plural_forms_header_from_po_header($header) {
- if (preg_match("/(^|\n)plural-forms: ([^\n]*)\n/i", $header, $regs))
- $expr = $regs[2];
- else
- $expr = "nplurals=2; plural=n == 1 ? 0 : 1;";
- return $expr;
- }
-
- /**
- * Get possible plural forms from MO header
- *
- * @access private
- * @return string plural form header
- */
- function get_plural_forms() {
- // lets assume message number 0 is header
- // this is true, right?
- $this->load_tables();
-
- // cache header field for plural forms
- if (! is_string($this->pluralheader)) {
- if ($this->enable_cache) {
- $header = $this->cache_translations[""];
- } else {
- $header = $this->get_translation_string(0);
- }
- $expr = $this->extract_plural_forms_header_from_po_header($header);
- $this->pluralheader = $this->sanitize_plural_expression($expr);
+
+ /**
+ * Parse full PO header and extract only plural forms line.
+ *
+ * @access private
+ * @return string verbatim plural form header field
+ */
+ public function extract_plural_forms_header_from_po_header($header)
+ {
+ if (preg_match("/(^|\n)plural-forms: ([^\n]*)\n/i", $header, $regs)) {
+ $expr = $regs[2];
+ } else {
+ $expr = "nplurals=2; plural=n == 1 ? 0 : 1;";
+ }
+ return $expr;
}
- return $this->pluralheader;
- }
-
- /**
- * Detects which plural form to take
- *
- * @access private
- * @param n count
- * @return int array index of the right plural form
- */
- function select_string($n) {
- if (!is_int($n)) {
- throw new InvalidArgumentException(
- "Select_string only accepts integers: " . $n);
+
+ /**
+ * Get possible plural forms from MO header
+ *
+ * @access private
+ * @return string plural form header
+ */
+ public function get_plural_forms()
+ {
+ // lets assume message number 0 is header
+ // this is true, right?
+ $this->load_tables();
+
+ // cache header field for plural forms
+ if (! is_string($this->pluralheader)) {
+ if ($this->enable_cache) {
+ $header = $this->cache_translations[""];
+ } else {
+ $header = $this->get_translation_string(0);
+ }
+ $expr = $this->extract_plural_forms_header_from_po_header($header);
+ $this->pluralheader = $this->sanitize_plural_expression($expr);
+ }
+ return $this->pluralheader;
}
- $string = $this->get_plural_forms();
- $string = str_replace('nplurals',"\$total",$string);
- $string = str_replace("n",$n,$string);
- $string = str_replace('plural',"\$plural",$string);
-
- $total = 0;
- $plural = 0;
-
- eval("$string");
- if ($plural >= $total) $plural = $total - 1;
- return $plural;
- }
-
- /**
- * Plural version of gettext
- *
- * @access public
- * @param string single
- * @param string plural
- * @param string number
- * @return translated plural form
- */
- function ngettext($single, $plural, $number) {
- if ($this->short_circuit) {
- if ($number != 1)
+
+ /**
+ * Detects which plural form to take
+ *
+ * @access private
+ * @param n count
+ * @return int array index of the right plural form
+ */
+ public function select_string($n)
+ {
+ if (!is_int($n)) {
+ throw new InvalidArgumentException(
+ "Select_string only accepts integers: " . $n
+ );
+ }
+ $string = $this->get_plural_forms();
+ $string = str_replace('nplurals', "\$total", $string);
+ $string = str_replace("n", $n, $string);
+ $string = str_replace('plural', "\$plural", $string);
+
+ $total = 0;
+ $plural = 0;
+
+ eval("$string");
+ if ($plural >= $total) {
+ $plural = $total - 1;
+ }
return $plural;
- else
- return $single;
}
- // find out the appropriate form
- $select = $this->select_string($number);
-
- // this should contains all strings separated by NULLs
- $key = $single . chr(0) . $plural;
-
-
- if ($this->enable_cache) {
- if (! array_key_exists($key, $this->cache_translations)) {
- return ($number != 1) ? $plural : $single;
- } else {
- $result = $this->cache_translations[$key];
- $list = explode(chr(0), $result);
- return $list[$select];
- }
- } else {
- $num = $this->find_string($key);
- if ($num == -1) {
- return ($number != 1) ? $plural : $single;
- } else {
- $result = $this->get_translation_string($num);
- $list = explode(chr(0), $result);
- return $list[$select];
- }
- }
- }
-
- function pgettext($context, $msgid) {
- $key = $context . chr(4) . $msgid;
- $ret = $this->translate($key);
- if (strpos($ret, "\004") !== FALSE) {
- return $msgid;
- } else {
- return $ret;
+ /**
+ * Plural version of gettext
+ *
+ * @access public
+ * @param string single
+ * @param string plural
+ * @param string number
+ * @return translated plural form
+ */
+ public function ngettext($single, $plural, $number)
+ {
+ if ($this->short_circuit) {
+ if ($number != 1) {
+ return $plural;
+ } else {
+ return $single;
+ }
+ }
+
+ // find out the appropriate form
+ $select = $this->select_string($number);
+
+ // this should contains all strings separated by NULLs
+ $key = $single . chr(0) . $plural;
+
+
+ if ($this->enable_cache) {
+ if (! array_key_exists($key, $this->cache_translations)) {
+ return ($number != 1) ? $plural : $single;
+ } else {
+ $result = $this->cache_translations[$key];
+ $list = explode(chr(0), $result);
+ return $list[$select];
+ }
+ } else {
+ $num = $this->find_string($key);
+ if ($num == -1) {
+ return ($number != 1) ? $plural : $single;
+ } else {
+ $result = $this->get_translation_string($num);
+ $list = explode(chr(0), $result);
+ return $list[$select];
+ }
+ }
}
- }
-
- function npgettext($context, $singular, $plural, $number) {
- $key = $context . chr(4) . $singular;
- $ret = $this->ngettext($key, $plural, $number);
- if (strpos($ret, "\004") !== FALSE) {
- return $singular;
- } else {
- return $ret;
+
+ public function pgettext($context, $msgid)
+ {
+ $key = $context . chr(4) . $msgid;
+ $ret = $this->translate($key);
+ if (strpos($ret, "\004") !== false) {
+ return $msgid;
+ } else {
+ return $ret;
+ }
}
- }
+ public function npgettext($context, $singular, $plural, $number)
+ {
+ $key = $context . chr(4) . $singular;
+ $ret = $this->ngettext($key, $plural, $number);
+ if (strpos($ret, "\004") !== false) {
+ return $singular;
+ } else {
+ return $ret;
+ }
+ }
}
-
-?>
// Simple class to wrap file streams, string streams, etc.
// seek is essential, and it should be byte stream
-class StreamReader {
- // should return a string [FIXME: perhaps return array of bytes?]
- function read($bytes) {
- return false;
- }
-
- // should return new position
- function seekto($position) {
- return false;
- }
-
- // returns current position
- function currentpos() {
- return false;
- }
-
- // returns length of entire stream (limit for seekto()s)
- function length() {
- return false;
- }
-};
+class StreamReader
+{
+ // should return a string [FIXME: perhaps return array of bytes?]
+ public function read($bytes)
+ {
+ return false;
+ }
-class StringReader {
- var $_pos;
- var $_str;
+ // should return new position
+ public function seekto($position)
+ {
+ return false;
+ }
- function StringReader($str='') {
- $this->_str = $str;
- $this->_pos = 0;
- }
+ // returns current position
+ public function currentpos()
+ {
+ return false;
+ }
- function read($bytes) {
- $data = substr($this->_str, $this->_pos, $bytes);
- $this->_pos += $bytes;
- if (strlen($this->_str)<$this->_pos)
- $this->_pos = strlen($this->_str);
+ // returns length of entire stream (limit for seekto()s)
+ public function length()
+ {
+ return false;
+ }
+};
- return $data;
- }
+class StringReader
+{
+ public $_pos;
+ public $_str;
- function seekto($pos) {
- $this->_pos = $pos;
- if (strlen($this->_str)<$this->_pos)
- $this->_pos = strlen($this->_str);
- return $this->_pos;
- }
+ public function StringReader($str='')
+ {
+ $this->_str = $str;
+ $this->_pos = 0;
+ }
- function currentpos() {
- return $this->_pos;
- }
+ public function read($bytes)
+ {
+ $data = substr($this->_str, $this->_pos, $bytes);
+ $this->_pos += $bytes;
+ if (strlen($this->_str)<$this->_pos) {
+ $this->_pos = strlen($this->_str);
+ }
- function length() {
- return strlen($this->_str);
- }
+ return $data;
+ }
-};
+ public function seekto($pos)
+ {
+ $this->_pos = $pos;
+ if (strlen($this->_str)<$this->_pos) {
+ $this->_pos = strlen($this->_str);
+ }
+ return $this->_pos;
+ }
+ public function currentpos()
+ {
+ return $this->_pos;
+ }
-class FileReader {
- var $_pos;
- var $_fd;
- var $_length;
+ public function length()
+ {
+ return strlen($this->_str);
+ }
+};
- function FileReader($filename) {
- if (file_exists($filename)) {
- $this->_length=filesize($filename);
- $this->_pos = 0;
- $this->_fd = fopen($filename,'rb');
- if (!$this->_fd) {
- $this->error = 3; // Cannot read file, probably permissions
- return false;
- }
- } else {
- $this->error = 2; // File doesn't exist
- return false;
- }
- }
-
- function read($bytes) {
- if ($bytes) {
- fseek($this->_fd, $this->_pos);
-
- // PHP 5.1.1 does not read more than 8192 bytes in one fread()
- // the discussions at PHP Bugs suggest it's the intended behaviour
- $data = '';
- while ($bytes > 0) {
- $chunk = fread($this->_fd, $bytes);
- $data .= $chunk;
- $bytes -= strlen($chunk);
- }
- $this->_pos = ftell($this->_fd);
-
- return $data;
- } else return '';
- }
-
- function seekto($pos) {
- fseek($this->_fd, $pos);
- $this->_pos = ftell($this->_fd);
- return $this->_pos;
- }
-
- function currentpos() {
- return $this->_pos;
- }
-
- function length() {
- return $this->_length;
- }
-
- function close() {
- fclose($this->_fd);
- }
+class FileReader
+{
+ public $_pos;
+ public $_fd;
+ public $_length;
+
+ public function FileReader($filename)
+ {
+ if (file_exists($filename)) {
+ $this->_length=filesize($filename);
+ $this->_pos = 0;
+ $this->_fd = fopen($filename, 'rb');
+ if (!$this->_fd) {
+ $this->error = 3; // Cannot read file, probably permissions
+ return false;
+ }
+ } else {
+ $this->error = 2; // File doesn't exist
+ return false;
+ }
+ }
-};
+ public function read($bytes)
+ {
+ if ($bytes) {
+ fseek($this->_fd, $this->_pos);
+
+ // PHP 5.1.1 does not read more than 8192 bytes in one fread()
+ // the discussions at PHP Bugs suggest it's the intended behaviour
+ $data = '';
+ while ($bytes > 0) {
+ $chunk = fread($this->_fd, $bytes);
+ $data .= $chunk;
+ $bytes -= strlen($chunk);
+ }
+ $this->_pos = ftell($this->_fd);
+
+ return $data;
+ } else {
+ return '';
+ }
+ }
-// Preloads entire file in memory first, then creates a StringReader
-// over it (it assumes knowledge of StringReader internals)
-class CachedFileReader extends StringReader {
- function CachedFileReader($filename) {
- if (file_exists($filename)) {
+ public function seekto($pos)
+ {
+ fseek($this->_fd, $pos);
+ $this->_pos = ftell($this->_fd);
+ return $this->_pos;
+ }
- $length=filesize($filename);
- $fd = fopen($filename,'rb');
+ public function currentpos()
+ {
+ return $this->_pos;
+ }
- if (!$fd) {
- $this->error = 3; // Cannot read file, probably permissions
- return false;
- }
- $this->_str = fread($fd, $length);
- fclose($fd);
+ public function length()
+ {
+ return $this->_length;
+ }
- } else {
- $this->error = 2; // File doesn't exist
- return false;
+ public function close()
+ {
+ fclose($this->_fd);
}
- }
};
-
-?>
+// Preloads entire file in memory first, then creates a StringReader
+// over it (it assumes knowledge of StringReader internals)
+class CachedFileReader extends StringReader
+{
+ public function CachedFileReader($filename)
+ {
+ if (file_exists($filename)) {
+ $length=filesize($filename);
+ $fd = fopen($filename, 'rb');
+
+ if (!$fd) {
+ $this->error = 3; // Cannot read file, probably permissions
+ return false;
+ }
+ $this->_str = fread($fd, $length);
+ fclose($fd);
+ } else {
+ $this->error = 2; // File doesn't exist
+ return false;
+ }
+ }
+};
projects / quix0rs-gnu-social.git / commitdiff