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<?php
/**
* Aspell interface
*
* This library gives full access to aspell's pipe interface. Optionally it
* provides some of the functions from the pspell PHP extension by wrapping
* them to calls to the aspell binary.
*
* It can be simply dropped into code written for the pspell extension like
* the following
*
* if(!function_exists('pspell_suggest')){
* define('PSPELL_COMP',1);
* require_once ("pspell_comp.php");
* }
*
* Define the path to the aspell binary like this if needed:
*
* define('ASPELL_BIN','/path/to/aspell');
*
* @author Andreas Gohr <andi@splitbrain.org>
* @todo Not all pspell functions are supported
*
*/
// path to your aspell binary
if(!defined('ASPELL_BIN')) define('ASPELL_BIN','aspell');
if(!defined('PSPELL_FAST')) define(PSPELL_FAST,1); # Fast mode (least number of suggestions)
if(!defined('PSPELL_NORMAL')) define(PSPELL_NORMAL,2); # Normal mode (more suggestions)
if(!defined('PSPELL_BAD_SPELLERS')) define(PSPELL_BAD_SPELLERS,3); # Slow mode (a lot of suggestions)
if(!defined('ASPELL_ULTRA')) define(ASPELL_ULTRA,4); # Ultra fast mode (not available in Pspell!)
/**
* You can define PSPELL_COMP to use this class as drop in replacement
* for the pspell extension
*/
if(defined('PSPELL_COMP')){
// spelling is not supported by aspell and ignored
function pspell_config_create($language, $spelling=null, $jargon=null, $encoding='iso8859-1'){
return new Aspell($language, $jargon, $encoding);
}
function pspell_config_mode(&$config, $mode){
return $config->setMode($mode);
}
function pspell_new_config(&$config){
return $config;
}
function pspell_check(&$dict,$word){
return $dict->check($word);
}
function pspell_suggest(&$dict, $word){
return $dict->suggest($word);
}
}
/**
* Class to interface aspell
*
* Needs PHP >= 4.3.0
*/
class Aspell{
var $language = null;
var $jargon = null;
var $encoding = 'iso8859-1';
var $mode = PSPELL_NORMAL;
var $args='';
/**
* Constructor. Works like pspell_config_create()
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function Aspell($language, $jargon=null, $encoding='iso8859-1'){
$this->language = $language;
$this->jargon = $jargon;
$this->encoding = $encoding;
$this->_prepareArgs();
}
/**
* Set the spelling mode like pspell_config_mode()
*
* Mode can be PSPELL_FAST, PSPELL_NORMAL, PSPELL_BAD_SPELLER or ASPELL_ULTRA
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function setMode($mode){
if(!in_array($mode,array(PSPELL_FAST,PSPELL_NORMAL,PSPELL_BAD_SPELLER,ASPELL_ULTRA))){
$mode = PSPELL_NORMAL;
}
$this->mode = $mode;
$this->_prepareArgs();
return $mode;
}
/**
* Prepares the needed arguments for the call to the aspell binary
*
* No need to call this directly
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function _prepareArgs(){
$this->args = '';
if($this->language){
$this->args .= ' --lang='.escapeshellarg($this->language);
}else{
return false; // no lang no spell
}
if($this->jargon){
$this->args .= ' --jargon='.escapeshellarg($this->jargon);
}
if($this->encoding){
$this->args .= ' --encoding='.escapeshellarg($this->encoding);
}
switch ($this->mode){
case PSPELL_FAST:
$this->args .= ' --sug-mode=fast';
break;
case PSPELL_BAD_SPELLERS:
$this->args .= ' --sug-mode=bad-spellers';
break;
case ASPELL_ULTRA:
$this->args .= ' --sug-mode=ultra';
break;
default:
$this->args .= ' --sug-mode=normal';
}
return true;
}
/**
* Pipes a text to aspell
*
* This opens a bidirectional pipe to the aspell binary, writes
* the given text to STDIN and returns STDOUT and STDERR
*
* You have full access to aspell's pipe mode here - this means you need
* quote your lines yourself read the aspell manual for more info
*
* @author Andreas Gohr <andi@splitbrain.org>
* @link http://aspell.sf.net/man-html/Through-A-Pipe.html
*/
function runAspell($text,&$out,&$err){
if(empty($text)) return true;
//prepare file descriptors
$descspec = array(
0 => array('pipe', 'r'), // stdin is a pipe that the child will read from
1 => array('pipe', 'w'), // stdout is a pipe that the child will write to
2 => array('pipe', 'w') // stderr is a file to write to
);
$process = proc_open(ASPELL_BIN.' -a'.$this->args, $descspec, $pipes);
if ($process) {
//write to stdin
fwrite($pipes[0],$text);
fclose($pipes[0]);
//read stdout
while (!feof($pipes[1])) {
$out .= fread($pipes[1], 8192);
}
fclose($pipes[1]);
//read stderr
while (!feof($pipes[2])) {
$err .= fread($pipes[2], 8192);
}
fclose($pipes[2]);
if(proc_close($process) != 0){
//something went wrong
$err = "Aspell returned an error: $err";
return false;
}
return true;
}
//opening failed
$err = "Could not run Aspell '".ASPELL_BIN."'";
return false;
}
/**
* Checks a single word for correctness
*
* @returns array of suggestions or true on correct spelling
* @author Andreas Gohr <andi@splitbrain.org>
*/
function suggest($word){
if($this->runAspell("^$word",$out,$err)){
//parse output
$lines = split("\n",$out);
foreach ($lines as $line){
$line = trim($line);
if(empty($line)) continue; // empty line
if($line[0] == '@') continue; // comment
if($line[0] == '*') return true; // no mistakes made
if($line[0] == '#') return array(); // mistake but no suggestions
if($line[0] == '&'){
$line = preg_replace('/&.*?: /','',$line);
return split(', ',$line);
}
}
}
return array();
}
/**
* Check if a word is mispelled like pspell_check
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function check($word){
if(is_array($this->suggest($word))){
return false;
}else{
return true;
}
}
}
//Setup VIM: ex: et ts=4 enc=utf-8 :
|
