ZhClient.php

Go to the documentation of this file.

<?php
class ZhClient {
    var $mHost, $mPort, $mFP, $mConnected;

    function __construct( $host, $port ) {
        $this->mHost = $host;
        $this->mPort = $port;
        $this->mConnected = $this->connect();
    }

    function isconnected() {
        return $this->mConnected;
    }

    function connect() {
        wfSuppressWarnings();
        $errno = $errstr = '';
        $this->mFP = fsockopen( $this->mHost, $this->mPort, $errno, $errstr, 30 );
        wfRestoreWarnings();
        return !$this->mFP;
    }

    function query( $request ) {
        if ( !$this->mConnected ) {
            return false;
        }

        fwrite( $this->mFP, $request );

        $result = fgets( $this->mFP, 1024 );

        list( $status, $len ) = explode( ' ', $result );
        if ( $status == 'ERROR' ) {
            // $len is actually the error code...
            print "zhdaemon error $len<br />\n";
            return false;
        }
        $bytesread = 0;
        $data = '';
        while ( !feof( $this->mFP ) && $bytesread < $len ) {
            $str = fread( $this->mFP, $len - $bytesread );
            $bytesread += strlen( $str );
            $data .= $str;
        }
        // data should be of length $len. otherwise something is wrong
        return strlen( $data ) == $len;
    }

    function convert( $text, $tolang ) {
        $len = strlen( $text );
        $q = "CONV $tolang $len\n$text";
        $result = $this->query( $q );
        if ( !$result ) {
            $result = $text;
        }
        return $result;
    }

    function convertToAllVariants( $text ) {
        $len = strlen( $text );
        $q = "CONV ALL $len\n$text";
        $result = $this->query( $q );
        if ( !$result ) {
            return false;
        }
        list( $infoline, $data ) = explode( '|', $result, 2 );
        $info = explode( ';', $infoline );
        $ret = array();
        $i = 0;
        foreach ( $info as $variant ) {
            list( $code, $len ) = explode( ' ', $variant );
            $ret[strtolower( $code )] = substr( $data, $i, $len );
            $i += $len;
        }
        return $ret;
    }

    function segment( $text ) {
        $len = strlen( $text );
        $q = "SEG $len\n$text";
        $result = $this->query( $q );
        if ( !$result ) { // fallback to character based segmentation
            $result = $this->segment( $text );
        }
        return $result;
    }

    function close() {
        fclose( $this->mFP );
    }
}