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# For Emacs: -*- mode:cperl; eval: (folding-mode 1); coding:utf-8 -*- |
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package Lingua::FIN::Word2Num; |
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# ABSTRACT: Word to number conversion in Finnish |
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130868
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use 5.16.0; |
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use utf8; |
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use warnings; |
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# {{{ use block |
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use Export::Attrs; |
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use Parse::RecDescent; |
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# }}} |
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# {{{ var block |
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our $VERSION = '0.2603300'; |
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my $parser = fin_numerals(); |
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# }}} |
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# {{{ w2n convert text to number |
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sub w2n :Export { |
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287862
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my $input = shift // return; |
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return $parser->numeral($input); |
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} |
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# }}} |
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# {{{ fin_numerals create parser for finnish numerals |
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sub fin_numerals { |
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return Parse::RecDescent->new(q{ |
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35
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numeral: mega |
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| kOhOd |
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| { } |
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39
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40
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number: 'yksitoista' { 11 } |
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| 'kaksitoista' { 12 } |
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| 'kolmetoista' { 13 } |
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43
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| 'neljätoista' { 14 } |
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44
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| 'viisitoista' { 15 } |
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| 'kuusitoista' { 16 } |
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46
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| 'seitsemäntoista' { 17 } |
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| 'kahdeksantoista' { 18 } |
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48
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| 'yhdeksäntoista' { 19 } |
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49
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| 'kymmenen' { 10 } |
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50
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| 'nolla' { 0 } |
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51
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| 'yksi' { 1 } |
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52
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| 'kaksi' { 2 } |
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53
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| 'kolme' { 3 } |
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54
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| 'neljä' { 4 } |
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55
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| 'viisi' { 5 } |
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56
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| 'kuusi' { 6 } |
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57
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| 'seitsemän' { 7 } |
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58
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| 'kahdeksan' { 8 } |
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59
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| 'yhdeksän' { 9 } |
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60
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61
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tens: 'kaksikymmentä' { 20 } |
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62
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| 'kolmekymmentä' { 30 } |
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63
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| 'neljäkymmentä' { 40 } |
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64
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| 'viisikymmentä' { 50 } |
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65
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| 'kuusikymmentä' { 60 } |
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66
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| 'seitsemänkymmentä' { 70 } |
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67
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| 'kahdeksankymmentä' { 80 } |
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68
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| 'yhdeksänkymmentä' { 90 } |
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69
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70
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deca: tens number { $item[1] + $item[2] } |
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71
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| tens |
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72
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| number |
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73
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74
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hecto: number 'sataa' deca { $item[1] * 100 + $item[3] } |
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75
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| number 'sataa' { $item[1] * 100 } |
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76
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| 'sata' deca { 100 + $item[2] } |
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77
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| 'sata' { 100 } |
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78
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79
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hOd: hecto |
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80
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| deca |
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81
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82
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kilo: hOd 'tuhatta' hOd { $item[1] * 1000 + $item[3] } |
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83
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| hOd 'tuhatta' { $item[1] * 1000 } |
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84
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| 'tuhat' hOd { 1000 + $item[2] } |
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85
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| 'tuhat' { 1000 } |
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86
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87
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kOhOd: kilo |
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| hOd |
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89
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90
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mega: hOd /miljoona[a]?/ kOhOd { $item[1] * 1_000_000 + $item[3] } |
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91
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| hOd /miljoona[a]?/ { $item[1] * 1_000_000 } |
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92
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| 'miljoona' kOhOd { 1_000_000 + $item[2] } |
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93
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| 'miljoona' { 1_000_000 } |
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94
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}); |
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95
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} |
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96
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97
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# }}} |
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98
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99
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# {{{ ordinal2cardinal convert ordinal text to cardinal text |
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100
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101
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sub ordinal2cardinal :Export { |
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102
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0
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0
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1
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my $input = shift // return; |
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103
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104
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# Finnish ordinals: suppletive 1st/2nd, regular -s suffix for 3+. |
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105
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# Compounds: cardinal prefix + ordinal tail. |
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106
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# Order of matching matters: hundreds before tens to avoid |
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107
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# false matches on prefixed forms. |
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108
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109
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0
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my %irregular = ( |
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110
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'ensimmäinen' => 'yksi', |
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111
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'toinen' => 'kaksi', |
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112
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); |
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113
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114
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0
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0
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return $irregular{$input} if exists $irregular{$input}; |
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115
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116
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# Ordinal stem → cardinal mappings for units |
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117
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0
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my %ord_stem_to_cardinal = ( |
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118
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'yhde' => 'yksi', |
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119
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'kahde' => 'kaksi', |
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120
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'kolma' => 'kolme', |
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121
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'neljä' => 'neljä', |
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122
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'viide' => 'viisi', |
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123
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'kuude' => 'kuusi', |
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124
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'seitsemä' => 'seitsemän', |
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125
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'kahdeksa' => 'kahdeksan', |
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126
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'yhdeksä' => 'yhdeksän', |
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127
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); |
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128
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129
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# Ordinal hundreds prefix → cardinal hundreds prefix |
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130
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# "toinensadas" (200th) → "kaksi", "kolmassadas" → "kolme", etc. |
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131
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# The stem before "sadas" is the ordinal form of the multiplier. |
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132
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0
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my %ord_hundreds_pfx = ( |
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133
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'toinen' => 'kaksi', # 200th uses suppletive "toinen" |
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134
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'kolmas' => 'kolme', |
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135
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'neljäs' => 'neljä', |
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136
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'viides' => 'viisi', |
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137
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'kuudes' => 'kuusi', |
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138
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'seitsemäs' => 'seitsemän', |
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139
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'kahdeksas' => 'kahdeksan', |
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140
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'yhdeksäs' => 'yhdeksän', |
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141
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); |
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142
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143
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# === HUNDREDS: check before tens to avoid false prefix matches === |
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144
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145
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# Round hundreds ordinal: "sadas" (100th), "toinensadas" (200th), etc. |
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146
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0
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0
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if ($input eq 'sadas') { |
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147
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0
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return 'sata'; |
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148
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} |
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149
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0
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0
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if ($input =~ m{\A (.+) sadas \z}xms) { |
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150
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0
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my $pfx = $1; |
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151
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0
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my $card_pfx = $ord_hundreds_pfx{$pfx}; |
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152
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0
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0
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return $card_pfx . 'sataa' if defined $card_pfx; |
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153
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} |
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154
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155
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# Compound 100+rest: "sata" + ordinal(rest) → "sata" + cardinal(rest) |
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156
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0
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0
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if ($input =~ m{\A sata (?.+) \z}xms) { |
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157
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0
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my $rest = $+{rest}; |
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158
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0
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my $cardinal = ordinal2cardinal($rest); |
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159
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0
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0
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return defined $cardinal ? 'sata' . $cardinal : undef; |
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160
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} |
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161
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162
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# Compound N*100+rest: cardinal(N) + "sata" + ordinal(rest) |
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163
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# Cardinal form uses "sataa" for N≥2: "kaksisataayksi" (201) |
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164
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0
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for my $stem (sort { length($b) <=> length($a) } keys %ord_stem_to_cardinal) { |
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0
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165
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0
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my $card = $ord_stem_to_cardinal{$stem}; |
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166
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0
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0
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if ($input =~ m{\A \Q$card\E sata (?.+) \z}xms) { |
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167
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0
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my $rest = $+{rest}; |
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168
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0
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my $cardinal = ordinal2cardinal($rest); |
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169
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0
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0
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return defined $cardinal ? $card . 'sataa' . $cardinal : undef; |
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170
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} |
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171
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} |
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172
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173
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# === TENS === |
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174
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175
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# Standalone "kymmenes" → "kymmenen" (10th) |
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176
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0
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0
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return 'kymmenen' if $input eq 'kymmenes'; |
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177
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178
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# Compound tens + ones: "kahdeskymmenesviides" (25th) |
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179
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0
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0
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if ($input =~ m{\A (?.+?) s? kymmenes (?.+) \z}xms) { |
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180
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0
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my $tens_stem = $+{tpfx}; |
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181
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0
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my $rest = $+{rest}; |
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182
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0
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0
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my $tens_cardinal = $ord_stem_to_cardinal{$tens_stem} // return; |
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183
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0
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my $tens_word = $tens_cardinal . 'kymmentä'; |
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184
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0
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0
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my $ones_cardinal = ordinal2cardinal($rest) // return; |
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185
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0
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return $tens_word . $ones_cardinal; |
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186
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} |
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187
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188
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# Round tens ordinal: "kahdeskymmenes" (20th) |
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189
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0
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0
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if ($input =~ m{\A (?.+?) s? kymmenes \z}xms) { |
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190
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0
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my $tens_stem = $+{tpfx}; |
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191
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0
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0
|
|
|
|
my $tens_cardinal = $ord_stem_to_cardinal{$tens_stem} // return; |
|
192
|
0
|
|
|
|
|
|
return $tens_cardinal . 'kymmentä'; |
|
193
|
|
|
|
|
|
|
} |
|
194
|
|
|
|
|
|
|
|
|
195
|
|
|
|
|
|
|
# === TEENS === |
|
196
|
|
|
|
|
|
|
|
|
197
|
0
|
0
|
|
|
|
|
if ($input =~ m{\A (?.+) stoista \z}xms) { |
|
198
|
0
|
|
|
|
|
|
my $stem = $+{stem}; |
|
199
|
|
|
|
|
|
|
return $ord_stem_to_cardinal{$stem} . 'toista' |
|
200
|
0
|
0
|
|
|
|
|
if exists $ord_stem_to_cardinal{$stem}; |
|
201
|
|
|
|
|
|
|
} |
|
202
|
0
|
0
|
|
|
|
|
if ($input =~ m{\A (?.+?) s toista \z}xms) { |
|
203
|
0
|
|
|
|
|
|
my $stem = $+{stem}; |
|
204
|
|
|
|
|
|
|
return $ord_stem_to_cardinal{$stem} . 'toista' |
|
205
|
0
|
0
|
|
|
|
|
if exists $ord_stem_to_cardinal{$stem}; |
|
206
|
|
|
|
|
|
|
} |
|
207
|
0
|
0
|
|
|
|
|
if ($input =~ m{\A (?.+?) toista \z}xms) { |
|
208
|
0
|
|
|
|
|
|
my $stem = $+{stem}; |
|
209
|
0
|
|
|
|
|
|
$stem =~ s{s\z}{}xms; |
|
210
|
|
|
|
|
|
|
return $ord_stem_to_cardinal{$stem} . 'toista' |
|
211
|
0
|
0
|
|
|
|
|
if exists $ord_stem_to_cardinal{$stem}; |
|
212
|
|
|
|
|
|
|
} |
|
213
|
|
|
|
|
|
|
|
|
214
|
|
|
|
|
|
|
# === REGULAR: strip -s suffix and map stem === |
|
215
|
0
|
0
|
|
|
|
|
if ($input =~ s{s\z}{}xms) { |
|
216
|
0
|
0
|
|
|
|
|
return $ord_stem_to_cardinal{$input} if exists $ord_stem_to_cardinal{$input}; |
|
217
|
0
|
|
|
|
|
|
return $input; |
|
218
|
|
|
|
|
|
|
} |
|
219
|
|
|
|
|
|
|
|
|
220
|
0
|
|
|
|
|
|
return; # not an ordinal |
|
221
|
1
|
|
|
1
|
|
1381
|
} |
|
|
1
|
|
|
|
|
2
|
|
|
|
1
|
|
|
|
|
6
|
|
|
222
|
|
|
|
|
|
|
|
|
223
|
|
|
|
|
|
|
# }}} |
|
224
|
|
|
|
|
|
|
|
|
225
|
|
|
|
|
|
|
1; |
|
226
|
|
|
|
|
|
|
|
|
227
|
|
|
|
|
|
|
__END__ |