German2Stemmer.cs

Go to the documentation of this file.

/* 
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// This file was generated automatically by the Snowball to Java compiler
using System;
using Among = SF.Snowball.Among;
using SnowballProgram = SF.Snowball.SnowballProgram;
namespace SF.Snowball.Ext
{
#pragma warning disable 162,164

    public class German2Stemmer : SnowballProgram
    {
        public German2Stemmer()
        {
            InitBlock();
        }
        private void  InitBlock()
        {
            a_0 = new Among[]{new Among("", - 1, 6, "", this), new Among("ae", 0, 2, "", this), new Among("oe", 0, 3, "", this), new Among("qu", 0, 5, "", this), new Among("ue", 0, 4, "", this), new Among("\u00DF", 0, 1, "", this)};
            a_1 = new Among[]{new Among("", - 1, 6, "", this), new Among("U", 0, 2, "", this), new Among("Y", 0, 1, "", this), new Among("\u00E4", 0, 3, "", this), new Among("\u00F6", 0, 4, "", this), new Among("\u00FC", 0, 5, "", this)};
            a_2 = new Among[]{new Among("e", - 1, 1, "", this), new Among("em", - 1, 1, "", this), new Among("en", - 1, 1, "", this), new Among("ern", - 1, 1, "", this), new Among("er", - 1, 1, "", this), new Among("s", - 1, 2, "", this), new Among("es", 5, 1, "", this)};
            a_3 = new Among[]{new Among("en", - 1, 1, "", this), new Among("er", - 1, 1, "", this), new Among("st", - 1, 2, "", this), new Among("est", 2, 1, "", this)};
            a_4 = new Among[]{new Among("ig", - 1, 1, "", this), new Among("lich", - 1, 1, "", this)};
            a_5 = new Among[]{new Among("end", - 1, 1, "", this), new Among("ig", - 1, 2, "", this), new Among("ung", - 1, 1, "", this), new Among("lich", - 1, 3, "", this), new Among("isch", - 1, 2, "", this), new Among("ik", - 1, 2, "", this), new Among("heit", - 1, 3, "", this), new Among("keit", - 1, 4, "", this)};
        }
        
        private Among[] a_0;
        private Among[] a_1;
        private Among[] a_2;
        private Among[] a_3;
        private Among[] a_4;
        private Among[] a_5;
        private static readonly char[] g_v = new char[]{(char) (17), (char) (65), (char) (16), (char) (1), (char) (0), (char) (0), (char) (0), (char) (0), (char) (0), (char) (0), (char) (0), (char) (0), (char) (0), (char) (0), (char) (0), (char) (0), (char) (8), (char) (0), (char) (32), (char) (8)};
        private static readonly char[] g_s_ending = new char[]{(char) (117), (char) (30), (char) (5)};
        private static readonly char[] g_st_ending = new char[]{(char) (117), (char) (30), (char) (4)};
        
        private int I_p2;
        private int I_p1;

        protected internal virtual void  copy_from(German2Stemmer other)
        {
            I_p2 = other.I_p2;
            I_p1 = other.I_p1;
            base.copy_from(other);
        }
        
        private bool r_prelude()
        {
            int among_var;
            int v_1;
            int v_2;
            int v_3;
            int v_4;
            int v_5;
            // (, line 28
            // test, line 30
            v_1 = cursor;
            // repeat, line 30
            while (true)
            {
                v_2 = cursor;
                do 
                {
                    // goto, line 30
                    while (true)
                    {
                        v_3 = cursor;
                        do 
                        {
                            // (, line 30
                            if (!(in_grouping(g_v, 97, 252)))
                            {
                                goto lab3_brk;
                            }
                            // [, line 31
                            bra = cursor;
                            // or, line 31
                            do 
                            {
                                v_4 = cursor;
                                do 
                                {
                                    // (, line 31
                                    // literal, line 31
                                    if (!(eq_s(1, "u")))
                                    {
                                        goto lab5_brk;
                                    }
                                    // ], line 31
                                    ket = cursor;
                                    if (!(in_grouping(g_v, 97, 252)))
                                    {
                                        goto lab5_brk;
                                    }
                                    // <-, line 31
                                    slice_from("U");
                                    goto lab4_brk;
                                }
                                while (false);

lab5_brk: ;
                                
                                cursor = v_4;
                                // (, line 32
                                // literal, line 32
                                if (!(eq_s(1, "y")))
                                {
                                    goto lab3_brk;
                                }
                                // ], line 32
                                ket = cursor;
                                if (!(in_grouping(g_v, 97, 252)))
                                {
                                    goto lab3_brk;
                                }
                                // <-, line 32
                                slice_from("Y");
                            }
                            while (false);

lab4_brk: ;
                            
                            cursor = v_3;
                            goto golab2_brk;
                        }
                        while (false);

lab3_brk: ;
                        
                        cursor = v_3;
                        if (cursor >= limit)
                        {
                            goto lab1_brk;
                        }
                        cursor++;
                    }

golab2_brk: ;
                    
                    goto replab0;
                }
                while (false);

lab1_brk: ;
                
                cursor = v_2;
                goto replab0_brk;

replab0: ;
            }

replab0_brk: ;
            
            cursor = v_1;
            // repeat, line 35
            while (true)
            {
                v_5 = cursor;
                do 
                {
                    // (, line 35
                    // [, line 36
                    bra = cursor;
                    // substring, line 36
                    among_var = find_among(a_0, 6);
                    if (among_var == 0)
                    {
                        goto lab7_brk;
                    }
                    // ], line 36
                    ket = cursor;
                    switch (among_var)
                    {
                        
                        case 0: 
                            goto lab7_brk;
                        
                        case 1: 
                            // (, line 37
                            // <-, line 37
                            slice_from("ss");
                            break;
                        
                        case 2: 
                            // (, line 38
                            // <-, line 38
                            slice_from("\u00E4");
                            break;
                        
                        case 3: 
                            // (, line 39
                            // <-, line 39
                            slice_from("\u00F6");
                            break;
                        
                        case 4: 
                            // (, line 40
                            // <-, line 40
                            slice_from("\u00FC");
                            break;
                        
                        case 5: 
                            // (, line 41
                            // hop, line 41
                            {
                                int c = cursor + 2;
                                if (0 > c || c > limit)
                                {
                                    goto lab7_brk;
                                }
                                cursor = c;
                            }
                            break;
                        
                        case 6: 
                            // (, line 42
                            // next, line 42
                            if (cursor >= limit)
                            {
                                goto lab7_brk;
                            }
                            cursor++;
                            break;
                        }
                    goto replab6;
                }
                while (false);

lab7_brk: ;
                
                cursor = v_5;
                goto replab6_brk;

replab6: ;
            }

replab6_brk: ;
            
            return true;
        }
        
        private bool r_mark_regions()
        {
            // (, line 48
            I_p1 = limit;
            I_p2 = limit;
            // gopast, line 53
            while (true)
            {
                do 
                {
                    if (!(in_grouping(g_v, 97, 252)))
                    {
                        goto lab1_brk;
                    }
                    goto golab0_brk;
                }
                while (false);

lab1_brk: ;
                
                if (cursor >= limit)
                {
                    return false;
                }
                cursor++;
            }

golab0_brk: ;
            
            // gopast, line 53
            while (true)
            {
                do 
                {
                    if (!(out_grouping(g_v, 97, 252)))
                    {
                        goto lab3_brk;
                    }
                    goto golab2_brk;
                }
                while (false);

lab3_brk: ;
                
                if (cursor >= limit)
                {
                    return false;
                }
                cursor++;
            }

golab2_brk: ;
            
            // setmark p1, line 53
            I_p1 = cursor;
            // try, line 54
            do 
            {
                // (, line 54
                if (!(I_p1 < 3))
                {
                    goto lab4_brk;
                }
                I_p1 = 3;
            }
            while (false);

lab4_brk: ;
            
            // gopast, line 55
            while (true)
            {
                do 
                {
                    if (!(in_grouping(g_v, 97, 252)))
                    {
                        goto lab6_brk;
                    }
                    goto golab5_brk;
                }
                while (false);

lab6_brk: ;
                
                if (cursor >= limit)
                {
                    return false;
                }
                cursor++;
            }

golab5_brk: ;
            
            // gopast, line 55
            while (true)
            {
                do 
                {
                    if (!(out_grouping(g_v, 97, 252)))
                    {
                        goto lab8_brk;
                    }
                    goto golab7_brk;
                }
                while (false);

lab8_brk: ;
                
                if (cursor >= limit)
                {
                    return false;
                }
                cursor++;
            }

golab7_brk: ;
            
            // setmark p2, line 55
            I_p2 = cursor;
            return true;
        }
        
        private bool r_postlude()
        {
            int among_var;
            int v_1;
            // repeat, line 59
            while (true)
            {
                v_1 = cursor;
                do 
                {
                    // (, line 59
                    // [, line 61
                    bra = cursor;
                    // substring, line 61
                    among_var = find_among(a_1, 6);
                    if (among_var == 0)
                    {
                        goto lab2_brk;
                    }
                    // ], line 61
                    ket = cursor;
                    switch (among_var)
                    {
                        
                        case 0: 
                            goto lab2_brk;
                        
                        case 1: 
                            // (, line 62
                            // <-, line 62
                            slice_from("y");
                            break;
                        
                        case 2: 
                            // (, line 63
                            // <-, line 63
                            slice_from("u");
                            break;
                        
                        case 3: 
                            // (, line 64
                            // <-, line 64
                            slice_from("a");
                            break;
                        
                        case 4: 
                            // (, line 65
                            // <-, line 65
                            slice_from("o");
                            break;
                        
                        case 5: 
                            // (, line 66
                            // <-, line 66
                            slice_from("u");
                            break;
                        
                        case 6: 
                            // (, line 67
                            // next, line 67
                            if (cursor >= limit)
                            {
                                goto lab2_brk;
                            }
                            cursor++;
                            break;
                        }
                    goto replab1;
                }
                while (false);

lab2_brk: ;
                
                cursor = v_1;
                goto replab1_brk;

replab1: ;
            }

replab1_brk: ;
            
            return true;
        }
        
        private bool r_R1()
        {
            if (!(I_p1 <= cursor))
            {
                return false;
            }
            return true;
        }
        
        private bool r_R2()
        {
            if (!(I_p2 <= cursor))
            {
                return false;
            }
            return true;
        }
        
        private bool r_standard_suffix()
        {
            int among_var;
            int v_1;
            int v_2;
            int v_3;
            int v_4;
            int v_5;
            int v_6;
            int v_7;
            int v_8;
            int v_9;
            // (, line 77
            // do, line 78
            v_1 = limit - cursor;
            do 
            {
                // (, line 78
                // [, line 79
                ket = cursor;
                // substring, line 79
                among_var = find_among_b(a_2, 7);
                if (among_var == 0)
                {
                    goto lab0_brk;
                }
                // ], line 79
                bra = cursor;
                // call R1, line 79
                if (!r_R1())
                {
                    goto lab0_brk;
                }
                switch (among_var)
                {
                    
                    case 0: 
                        goto lab0_brk;
                    
                    case 1: 
                        // (, line 81
                        // delete, line 81
                        slice_del();
                        break;
                    
                    case 2: 
                        // (, line 84
                        if (!(in_grouping_b(g_s_ending, 98, 116)))
                        {
                            goto lab0_brk;
                        }
                        // delete, line 84
                        slice_del();
                        break;
                    }
            }
            while (false);

lab0_brk: ;
            
            cursor = limit - v_1;
            // do, line 88
            v_2 = limit - cursor;
            do 
            {
                // (, line 88
                // [, line 89
                ket = cursor;
                // substring, line 89
                among_var = find_among_b(a_3, 4);
                if (among_var == 0)
                {
                    goto lab1_brk;
                }
                // ], line 89
                bra = cursor;
                // call R1, line 89
                if (!r_R1())
                {
                    goto lab1_brk;
                }
                switch (among_var)
                {
                    
                    case 0: 
                        goto lab1_brk;
                    
                    case 1: 
                        // (, line 91
                        // delete, line 91
                        slice_del();
                        break;
                    
                    case 2: 
                        // (, line 94
                        if (!(in_grouping_b(g_st_ending, 98, 116)))
                        {
                            goto lab1_brk;
                        }
                        // hop, line 94
                        {
                            int c = cursor - 3;
                            if (limit_backward > c || c > limit)
                            {
                                goto lab1_brk;
                            }
                            cursor = c;
                        }
                        // delete, line 94
                        slice_del();
                        break;
                    }
            }
            while (false);

lab1_brk: ;
            
            cursor = limit - v_2;
            // do, line 98
            v_3 = limit - cursor;
            do 
            {
                // (, line 98
                // [, line 99
                ket = cursor;
                // substring, line 99
                among_var = find_among_b(a_5, 8);
                if (among_var == 0)
                {
                    goto lab2_brk;
                }
                // ], line 99
                bra = cursor;
                // call R2, line 99
                if (!r_R2())
                {
                    goto lab2_brk;
                }
                switch (among_var)
                {
                    
                    case 0: 
                        goto lab2_brk;
                    
                    case 1: 
                        // (, line 101
                        // delete, line 101
                        slice_del();
                        // try, line 102
                        v_4 = limit - cursor;
                        do 
                        {
                            // (, line 102
                            // [, line 102
                            ket = cursor;
                            // literal, line 102
                            if (!(eq_s_b(2, "ig")))
                            {
                                cursor = limit - v_4;
                                goto lab3_brk;
                            }
                            // ], line 102
                            bra = cursor;
                            // not, line 102
                            {
                                v_5 = limit - cursor;
                                do 
                                {
                                    // literal, line 102
                                    if (!(eq_s_b(1, "e")))
                                    {
                                        goto lab4_brk;
                                    }
                                    cursor = limit - v_4;
                                    goto lab3_brk;
                                }
                                while (false);

lab4_brk: ;
                                
                                cursor = limit - v_5;
                            }
                            // call R2, line 102
                            if (!r_R2())
                            {
                                cursor = limit - v_4;
                                goto lab3_brk;
                            }
                            // delete, line 102
                            slice_del();
                        }
                        while (false);

lab3_brk: ;
                        
                        break;
                    
                    case 2: 
                        // (, line 105
                        // not, line 105
                        {
                            v_6 = limit - cursor;
                            do 
                            {
                                // literal, line 105
                                if (!(eq_s_b(1, "e")))
                                {
                                    goto lab5_brk;
                                }
                                goto lab2_brk;
                            }
                            while (false);

lab5_brk: ;
                            
                            cursor = limit - v_6;
                        }
                        // delete, line 105
                        slice_del();
                        break;
                    
                    case 3: 
                        // (, line 108
                        // delete, line 108
                        slice_del();
                        // try, line 109
                        v_7 = limit - cursor;
                        do 
                        {
                            // (, line 109
                            // [, line 110
                            ket = cursor;
                            // or, line 110
                            do 
                            {
                                v_8 = limit - cursor;
                                do 
                                {
                                    // literal, line 110
                                    if (!(eq_s_b(2, "er")))
                                    {
                                        goto lab8_brk;
                                    }
                                    goto lab7_brk;
                                }
                                while (false);

lab8_brk: ;
                                
                                cursor = limit - v_8;
                                // literal, line 110
                                if (!(eq_s_b(2, "en")))
                                {
                                    cursor = limit - v_7;
                                    goto lab6_brk;
                                }
                            }
                            while (false);

lab7_brk: ;
                            
                            // ], line 110
                            bra = cursor;
                            // call R1, line 110
                            if (!r_R1())
                            {
                                cursor = limit - v_7;
                                goto lab6_brk;
                            }
                            // delete, line 110
                            slice_del();
                        }
                        while (false);

lab6_brk: ;
                        
                        break;
                    
                    case 4: 
                        // (, line 114
                        // delete, line 114
                        slice_del();
                        // try, line 115
                        v_9 = limit - cursor;
                        do 
                        {
                            // (, line 115
                            // [, line 116
                            ket = cursor;
                            // substring, line 116
                            among_var = find_among_b(a_4, 2);
                            if (among_var == 0)
                            {
                                cursor = limit - v_9;
                                goto lab9_brk;
                            }
                            // ], line 116
                            bra = cursor;
                            // call R2, line 116
                            if (!r_R2())
                            {
                                cursor = limit - v_9;
                                goto lab9_brk;
                            }
                            switch (among_var)
                            {
                                
                                case 0: 
                                    cursor = limit - v_9;
                                    goto lab9_brk;
                                
                                case 1: 
                                    // (, line 118
                                    // delete, line 118
                                    slice_del();
                                    break;
                                }
                        }
                        while (false);

lab9_brk: ;
                        
                        break;
                    }
            }
            while (false);

lab2_brk: ;
            
            cursor = limit - v_3;
            return true;
        }
        
        public override bool Stem()
        {
            int v_1;
            int v_2;
            int v_3;
            int v_4;
            // (, line 128
            // do, line 129
            v_1 = cursor;
            do 
            {
                // call prelude, line 129
                if (!r_prelude())
                {
                    goto lab0_brk;
                }
            }
            while (false);

lab0_brk: ;
            
            cursor = v_1;
            // do, line 130
            v_2 = cursor;
            do 
            {
                // call mark_regions, line 130
                if (!r_mark_regions())
                {
                    goto lab1_brk;
                }
            }
            while (false);

lab1_brk: ;
            
            cursor = v_2;
            // backwards, line 131
            limit_backward = cursor; cursor = limit;
            // do, line 132
            v_3 = limit - cursor;
            do 
            {
                // call standard_suffix, line 132
                if (!r_standard_suffix())
                {
                    goto lab2_brk;
                }
            }
            while (false);

lab2_brk: ;
            
            cursor = limit - v_3;
            cursor = limit_backward; // do, line 133
            v_4 = cursor;
            do 
            {
                // call postlude, line 133
                if (!r_postlude())
                {
                    goto lab3_brk;
                }
            }
            while (false);

lab3_brk: ;
            
            cursor = v_4;
            return true;
        }
    }
}