Review

finding-15

/mubench/checkouts/itext/5091/build/src/main/java/com/itextpdf/text/pdf/ArabicLigaturizer.java

doublelig(StringBuffer, int)

class ArabicLigaturizer {
    // return len
    static void doublelig(StringBuffer string, int level)
    /* Ok. We have presentation ligatures in our font. */
    {
        int len;
        int olen = len = string.length();
        int j = 0, si = 1;
        char lapresult;
        
        while (si < olen) {
            lapresult = 0;
            if ((level & ar_composedtashkeel) != 0) {
                switch (string.charAt(j)) {
                    case SHADDA:
                        switch (string.charAt(si)) {
                            case KASRA:
                                lapresult = 0xFC62;
                                break;
                            case FATHA:
                                lapresult = 0xFC60;
                                break;
                            case DAMMA:
                                lapresult = 0xFC61;
                                break;
                            case 0x064C:
                                lapresult = 0xFC5E;
                                break;
                            case 0x064D:
                                lapresult = 0xFC5F;
                                break;
                        }
                        break;
                    case KASRA:
                        if (string.charAt(si) == SHADDA)
                            lapresult = 0xFC62;
                        break;
                    case FATHA:
                        if (string.charAt(si) == SHADDA)
                            lapresult = 0xFC60;
                        break;
                    case DAMMA:
                        if (string.charAt(si) == SHADDA)
                            lapresult = 0xFC61;
                        break;
                }
            }
            
            if ((level & ar_lig) != 0) {
                switch (string.charAt(j)) {
                    case 0xFEDF:       /* LAM initial */
                        switch (string.charAt(si)) {
                            case 0xFE9E:
                                lapresult = 0xFC3F;
                                break;        /* JEEM final */
                            case 0xFEA0:
                                lapresult = 0xFCC9;
                                break;        /* JEEM medial */
                            case 0xFEA2:
                                lapresult = 0xFC40;
                                break;        /* HAH final */
                            case 0xFEA4:
                                lapresult = 0xFCCA;
                                break;        /* HAH medial */
                            case 0xFEA6:
                                lapresult = 0xFC41;
                                break;        /* KHAH final */
                            case 0xFEA8:
                                lapresult = 0xFCCB;
                                break;        /* KHAH medial */
                            case 0xFEE2:
                                lapresult = 0xFC42;
                                break;        /* MEEM final */
                            case 0xFEE4:
                                lapresult = 0xFCCC;
                                break;        /* MEEM medial */
                        }
                        break;
                    case 0xFE97:       /* TEH inital */
                        switch (string.charAt(si)) {
                            case 0xFEA0:
                                lapresult = 0xFCA1;
                                break;        /* JEEM medial */
                            case 0xFEA4:
                                lapresult = 0xFCA2;
                                break;        /* HAH medial */
                            case 0xFEA8:
                                lapresult = 0xFCA3;
                                break;        /* KHAH medial */
                        }
                        break;
                    case 0xFE91:       /* BEH inital */
                        switch (string.charAt(si)) {
                            case 0xFEA0:
                                lapresult = 0xFC9C;
                                break;        /* JEEM medial */
                            case 0xFEA4:
                                lapresult = 0xFC9D;
                                break;        /* HAH medial */
                            case 0xFEA8:
                                lapresult = 0xFC9E;
                                break;        /* KHAH medial */
                        }
                        break;
                    case 0xFEE7:       /* NOON inital */
                        switch (string.charAt(si)) {
                            case 0xFEA0:
                                lapresult = 0xFCD2;
                                break;        /* JEEM initial */
                            case 0xFEA4:
                                lapresult = 0xFCD3;
                                break;        /* HAH medial */
                            case 0xFEA8:
                                lapresult = 0xFCD4;
                                break;        /* KHAH medial */
                        }
                        break;
                        
                    case 0xFEE8:       /* NOON medial */
                        switch (string.charAt(si)) {
                            case 0xFEAE:
                                lapresult = 0xFC8A;
                                break;        /* REH final  */
                            case 0xFEB0:
                                lapresult = 0xFC8B;
                                break;        /* ZAIN final */
                        }
                        break;
                    case 0xFEE3:       /* MEEM initial */
                        switch (string.charAt(si)) {
                            case 0xFEA0:
                                lapresult = 0xFCCE;
                                break;        /* JEEM medial */
                            case 0xFEA4:
                                lapresult = 0xFCCF;
                                break;        /* HAH medial */
                            case 0xFEA8:
                                lapresult = 0xFCD0;
                                break;        /* KHAH medial */
                            case 0xFEE4:
                                lapresult = 0xFCD1;
                                break;        /* MEEM medial */
                        }
                        break;
                        
                    case 0xFED3:       /* FEH initial */
                        switch (string.charAt(si)) {
                            case 0xFEF2:
                                lapresult = 0xFC32;
                                break;        /* YEH final */
                        }
                        break;
                        
                    default:
                        break;
                }                   /* end switch string[si] */
            }
            if (lapresult != 0) {
                string.setCharAt(j, lapresult);
                len--;
                si++;                 /* jump over one character */
                /* we'll have to change this, too. */
            }
            else {
                j++;
                string.setCharAt(j, string.charAt(si));
                si++;
            }
        }
        string.setLength(len);
    }

}