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annotate software/mpdl-services/mpiwg-mpdl-lt/bin/de/mpg/mpiwg/berlin/mpdl/lt/text/norm/lang/MpdlNormalizerLexDE.lex @ 23:e845310098ba

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diverse Korrekturen
author Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
date Tue, 27 Nov 2012 12:35:19 +0100
parents
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23
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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1 /*
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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2 * Normalization rules for German text
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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3 * [this is a JFlex specification]
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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4 *
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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5 * Wolfgang Schmidle
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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6 * version 2011-07-12
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7 *
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8 */
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9
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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10 package de.mpg.mpiwg.berlin.mpdl.lt.text.norm.lang;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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11
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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12 %%
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13
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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14 %public
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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15 %class MpdlNormalizerLexDE
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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16 %type java.lang.String
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17 %unicode
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18
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19 // German: de, deu, ger
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20
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21 %states DISP, DICT, SEARCH
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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22 %state CELEX, GRIMM
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23
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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24 %{
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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25 private String original = "";
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26 private String normalized = "";
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27 private int problem = 0;
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28
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29 private void add (String norm) {
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30 original += yytext();
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31 normalized += norm;
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32 }
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33
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34 private static final String LB = "[\u002d\u00ad] ";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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35 %}
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36
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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37 hyphen = [-\u{00ad}] // hyphen and soft hyphen
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38 LB = {hyphen} \u0020
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39 // lb = ({hyphen} \u0020)?
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40
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41 END = \n
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42
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43 Alphabet = [abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ]
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44
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45 %%
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46
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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47 // jump over empty xml elements
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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48 "<"[^><]+"/>" { add(yytext()); }
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49 "-<"[^><]+"/>" { add(yytext()); }
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50 "<"[^><]+"></"[^><]+">" { add(yytext()); }
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51 "-<"[^><]+"></"[^><]+">" { add(yytext()); }
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52
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53 ſ { add("s"); }
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54
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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55 // Fraktur
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56
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57 <DISP, DICT, SEARCH,
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58 GRIMM> {
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59
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60 uͦ {add("u"); }
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61 aͤ {add("ä"); }
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62 oͤ {add("ö"); }
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63 uͤ {add("ü"); }
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64
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65 }
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66
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67 <CELEX> {
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68
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69 // normalize ä ö ü ß only for Celex!
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70
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71 ä | Ä | aͤ { add("ae"); }
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72 ö | Ö | oͤ { add("oe"); }
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73 ü | Ü | uͤ { add("ue"); }
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74 uͦ {add("u"); }
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75 ß { add("ss"); }
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76
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77 {Alphabet} { add(yytext()); }
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78
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79 . { problem = 1; add(yytext()); }
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80
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81 }
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82
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83 <GRIMM> {
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84
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85 ß { add("sz"); }
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86
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87 }
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88
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89
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90 // default
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91
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92 @ { problem = 1; add(yytext()); }
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93 {LB} { add(yytext()); }
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94 . { add(yytext()); }
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95
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96
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97 <DISP> {
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98
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99 {END} {
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100 switch (problem) {
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101 case 1: return original;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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102 default: return normalized;
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103 }
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104 }
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105 }
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106
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107 <DICT, CELEX, GRIMM> {
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108
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109 {END} {
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110 switch (problem) {
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111 case 1: return "";
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112 default: return normalized.replaceAll(LB, "");
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113 }
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114 }
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115 }
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116
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117 <SEARCH> {
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118
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119 {END} {
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120 switch (problem) {
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121 case 1: return original;
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122 default: return normalized.replaceAll(LB, "").toLowerCase();
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123 }
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124 }
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125 }
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126
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127
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128
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129 /*
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130
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131 Annahmen:
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132 - die Routine wird wortweise aufgerufen, mit einem \n am Ende des Strings
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133 - Zeilenumbrüche innerhalb des Wortes sind als hyphen/soft hyphen plus space markiert
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134
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135 TO DO:
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136
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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137 DE: Trennung von Deutsch und Fraktur?
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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138 DE: Celex: hyphens weg?
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139
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140 */