1 | ;-*- Mode: Lisp -*- |
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2 | ;;;; Author: Paul Dietz |
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3 | ;;;; Created: Sat Oct 5 20:15:55 2002 |
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4 | ;;;; Contains: Auxiliary functions for character tests |
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5 | |
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6 | (in-package :cl-test) |
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7 | |
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8 | (defun is-ordered-by (seq fn) |
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9 | (declare (type function fn)) |
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10 | (let ((n (length seq))) |
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11 | (loop for i from 0 below (1- n) |
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12 | for e = (elt seq i) |
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13 | always |
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14 | (loop for j from (1+ i) below n |
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15 | always (funcall fn e (elt seq j)))))) |
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16 | |
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17 | (defun is-antisymmetrically-ordered-by (seq fn) |
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18 | (declare (type function fn)) |
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19 | (and (is-ordered-by seq fn) |
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20 | (is-ordered-by (reverse seq) (complement fn)))) |
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21 | |
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22 | (defun is-case-insensitive (fn) |
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23 | (when (symbolp fn) |
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24 | (assert (fboundp fn)) |
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25 | (setf fn (symbol-function fn))) |
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26 | (assert (typep fn 'function)) |
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27 | (locally |
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28 | (declare (type function fn)) |
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29 | (loop for c across +code-chars+ |
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30 | for c1 = (char-upcase c) |
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31 | for c2 = (if (eql c c1) (char-downcase c) c1) |
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32 | always |
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33 | (loop for d across +code-chars+ |
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34 | for d1 = (char-upcase d) |
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35 | for d2 = (if (eql d d1) (char-downcase d) d1) |
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36 | always (equiv (funcall fn c d) |
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37 | (funcall fn c2 d) |
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38 | (funcall fn c d2) |
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39 | (funcall fn c2 d2)))))) |
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40 | |
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41 | (defun equiv (&rest args) |
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42 | (declare (dynamic-extent args)) |
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43 | (cond |
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44 | ((null args) t) |
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45 | ((car args) |
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46 | (loop for e in (cdr args) always e)) |
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47 | (t (loop for e in (cdr args) never e)))) |
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48 | |
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49 | ;;; From character.lsp |
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50 | (defun char-type-error-check (fn) |
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51 | (when (symbolp fn) |
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52 | (assert (fboundp fn)) |
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53 | (setf fn (symbol-function fn))) |
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54 | (assert (typep fn 'function)) |
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55 | (locally |
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56 | (declare (type function fn)) |
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57 | (loop for x in *universe* |
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58 | always (or (characterp x) |
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59 | ;; FIXME -- catch the type error and check that datum |
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60 | ;; is eql to x (and that datum is not in the expected type) |
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61 | (eqt (catch-type-error (funcall fn x)) 'type-error))))) |
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62 | |
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63 | (defun standard-char.5.body () |
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64 | (loop for i from 0 below (min 65536 char-code-limit) |
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65 | always (let ((c (code-char i))) |
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66 | (not (and (typep c 'standard-char) |
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67 | (not (standard-char-p c))))))) |
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68 | |
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69 | (defun extended-char.3.body () |
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70 | (loop for i from 0 below (min 65536 char-code-limit) |
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71 | always (let ((c (code-char i))) |
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72 | (not (and (typep c 'base-char) |
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73 | (typep c 'extended-char) |
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74 | ))))) |
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75 | |
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76 | (defun character.1.body () |
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77 | (loop for i from 0 below (min 65536 char-code-limit) |
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78 | always (let ((c (code-char i))) |
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79 | (or (null c) |
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80 | (let ((s (string c))) |
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81 | (and |
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82 | (eqlt (character c) c) |
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83 | (eqlt (character s) c) |
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84 | (eqlt (character (make-symbol s)) c))))))) |
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85 | |
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86 | (defun character.2.body () |
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87 | (loop for x in *universe* |
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88 | when (not (or (characterp x) |
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89 | (and (stringp x) (eqlt (length x) 1)) |
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90 | (and (symbolp x) (eqlt (length (symbol-name x)) 1)) |
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91 | (let ((c (catch-type-error (character x)))) |
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92 | (or (eqlt c 'type-error) |
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93 | (let ((s (catch-type-error (string x)))) |
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94 | (and (stringp s) (eqlt (my-aref s 0) c))))))) |
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95 | do (return x))) |
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96 | |
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97 | (defun characterp.2.body () |
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98 | (loop for i from 0 below (min 65536 char-code-limit) |
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99 | always (let ((c (code-char i))) |
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100 | (or (null c) (characterp c))))) |
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101 | |
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102 | (defun characterp.3.body () |
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103 | (loop for x in *universe* |
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104 | always (let ((p (characterp x)) |
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105 | (q (typep x 'character))) |
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106 | (if p (notnot q) (not q))))) |
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107 | |
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108 | (defun alphanumericp.4.body () |
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109 | (loop for x in *universe* |
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110 | always (or (not (characterp x)) |
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111 | (if (or (digit-char-p x) (alpha-char-p x)) |
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112 | (alphanumericp x) |
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113 | ;; The hyperspec has an example that claims alphanumeric == |
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114 | ;; digit-char-p or alpha-char-p, but the text seems to suggest |
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115 | ;; that there can be numeric characters for which digit-char-p |
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116 | ;; returns NIL. Therefore, I've weakened the next line |
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117 | ;; (not (alphanumericp x)) |
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118 | t |
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119 | )))) |
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120 | |
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121 | (defun alphanumericp.5.body () |
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122 | (loop for i from 0 below (min 65536 char-code-limit) |
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123 | for x = (code-char i) |
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124 | always (or (not (characterp x)) |
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125 | (if (or (digit-char-p x) (alpha-char-p x)) |
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126 | (alphanumericp x) |
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127 | ;; The hyperspec has an example that claims alphanumeric == |
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128 | ;; digit-char-p or alpha-char-p, but the text seems to suggest |
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129 | ;; that there can be numeric characters for which digit-char-p |
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130 | ;; returns NIL. Therefore, I've weakened the next line |
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131 | ;; (not (alphanumericp x)) |
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132 | t |
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133 | )))) |
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134 | |
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135 | (defun digit-char.1.body.old () |
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136 | (loop for r from 2 to 36 always |
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137 | (loop for i from 0 to 36 |
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138 | always (let* ((c (digit-char i r)) |
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139 | (result |
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140 | (if (>= i r) (null c) |
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141 | (eqlt c (char +extended-digit-chars+ i))))) |
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142 | (unless result |
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143 | (format t "~A ~A ~A~%" r i c)) |
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144 | result)))) |
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145 | |
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146 | (defun digit-char.1.body () |
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147 | (loop for r from 2 to 36 nconc |
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148 | (loop for i from 0 to 36 |
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149 | for c = (digit-char i r) |
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150 | unless (if (>= i r) (null c) |
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151 | (eqlt c (char +extended-digit-chars+ i))) |
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152 | collect (list r i c)))) |
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153 | |
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154 | (defun digit-char-p.1.body () |
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155 | (loop for x in *universe* |
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156 | always (not (and (characterp x) |
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157 | (not (alphanumericp x)) |
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158 | (digit-char-p x))))) |
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159 | |
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160 | (defun digit-char-p.2.body () |
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161 | (loop for i from 0 below (min 65536 char-code-limit) |
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162 | for x = (code-char i) |
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163 | always (or (not x) |
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164 | (not (and (not (alphanumericp x)) |
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165 | (digit-char-p x)))))) |
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166 | |
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167 | (defun digit-char-p.3.body () |
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168 | (loop for r from 2 to 35 |
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169 | always |
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170 | (loop for i from r to 35 |
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171 | for c = (char +extended-digit-chars+ i) |
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172 | never (or (digit-char-p c r) |
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173 | (digit-char-p (char-downcase c) r))))) |
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174 | |
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175 | (defun digit-char-p.4.body () |
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176 | (loop for r from 2 to 35 |
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177 | always |
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178 | (loop for i from 0 below r |
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179 | for c = (char +extended-digit-chars+ i) |
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180 | always (and (eqlt (digit-char-p c r) i) |
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181 | (eqlt (digit-char-p (char-downcase c) r) i))))) |
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182 | |
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183 | (defun standard-char-p.2.body () |
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184 | (loop for x in *universe* |
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185 | always (or (not (characterp x)) |
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186 | (find x +standard-chars+) |
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187 | (not (standard-char-p x))))) |
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188 | |
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189 | (defun standard-char-p.2a.body () |
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190 | (loop for i from 0 below (min 65536 char-code-limit) |
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191 | for x = (code-char i) |
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192 | always (or (not (characterp x)) |
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193 | (find x +standard-chars+) |
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194 | (not (standard-char-p x))))) |
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195 | |
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196 | (defun char-upcase.1.body () |
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197 | (loop for x in *universe* |
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198 | always |
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199 | (or (not (characterp x)) |
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200 | (let ((u (char-upcase x))) |
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201 | (and |
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202 | (or (lower-case-p x) (eqlt u x)) |
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203 | (eqlt u (char-upcase u))))))) |
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204 | |
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205 | (defun char-upcase.2.body () |
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206 | (loop for i from 0 below (min 65536 char-code-limit) |
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207 | for x = (code-char i) |
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208 | always |
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209 | (or (not x) |
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210 | (let ((u (char-upcase x))) |
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211 | (and |
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212 | (or (lower-case-p x) (eqlt u x)) |
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213 | (eqlt u (char-upcase u))))))) |
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214 | |
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215 | (defun char-downcase.1.body () |
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216 | (loop for x in *universe* |
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217 | always |
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218 | (or (not (characterp x)) |
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219 | (let ((u (char-downcase x))) |
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220 | (and |
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221 | (or (upper-case-p x) (eqlt u x)) |
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222 | (eqlt u (char-downcase u))))))) |
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223 | |
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224 | (defun char-downcase.2.body () |
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225 | (loop for i from 0 below (min 65536 char-code-limit) |
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226 | for x = (code-char i) |
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227 | always |
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228 | (or (not x) |
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229 | (let ((u (char-downcase x))) |
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230 | (and |
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231 | (or (upper-case-p x) (eqlt u x)) |
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232 | (eqlt u (char-downcase u))))))) |
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233 | |
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234 | (defun both-case-p.1.body () |
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235 | (loop for x in *universe* |
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236 | always (or (not (characterp x)) |
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237 | (if (both-case-p x) |
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238 | (and (graphic-char-p x) |
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239 | (or (upper-case-p x) |
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240 | (lower-case-p x))) |
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241 | (not (or (upper-case-p x) |
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242 | (lower-case-p x))))))) |
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243 | |
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244 | (defun both-case-p.2.body () |
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245 | (loop for i from 0 below (min 65536 char-code-limit) |
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246 | for x = (code-char i) |
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247 | always (or (not (characterp x)) |
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248 | (if (both-case-p x) |
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249 | (and (graphic-char-p x) |
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250 | (or (upper-case-p x) |
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251 | (lower-case-p x))) |
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252 | (not (or (upper-case-p x) |
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253 | (lower-case-p x))))))) |
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254 | |
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255 | (defun char-code.2.body () |
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256 | (loop for i from 0 below (min 65536 char-code-limit) |
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257 | for c = (code-char i) |
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258 | always (or (not c) |
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259 | (eqlt (char-code c) i)))) |
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260 | |
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261 | (defun char-int.2.fn () |
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262 | (declare (optimize (safety 3) (speed 1) (space 1))) |
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263 | (let ((c->i (make-hash-table :test #'equal)) |
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264 | (i->c (make-hash-table :test #'eql))) |
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265 | (flet ((%insert |
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266 | (c) |
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267 | (or (not (characterp c)) |
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268 | (let* ((i (char-int c)) |
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269 | (j (gethash c c->i)) |
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270 | (d (gethash i i->c))) |
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271 | (and |
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272 | (or (null j) (eqlt j i)) |
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273 | (or (null d) (char= c d)) |
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274 | (progn |
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275 | (setf (gethash c c->i) i) |
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276 | (setf (gethash i i->c) c) |
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277 | t)))))) |
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278 | (or |
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279 | (loop for i from 0 below (min (ash 1 16) char-code-limit) |
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280 | unless (%insert (code-char i)) |
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281 | collect i) |
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282 | (loop for i = (random char-code-limit) |
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283 | repeat 1000 |
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284 | unless (%insert (code-char i)) |
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285 | collect i) |
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286 | (find-if-not #'%insert +standard-chars+) |
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287 | (find-if-not #'%insert *universe*))))) |
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288 | |
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289 | (defun char-name.1.fn () |
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290 | (declare (optimize (safety 3) (speed 1) (space 1))) |
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291 | (flet ((%check |
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292 | (c) |
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293 | (or (not (characterp c)) |
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294 | (let ((name (char-name c))) |
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295 | (or (null name) |
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296 | (and (stringp name) |
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297 | (eqlt c (name-char name)))))))) |
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298 | (and |
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299 | (loop for i from 0 below (min (ash 1 16) char-code-limit) |
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300 | always (%check (code-char i))) |
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301 | (every #'%check +standard-chars+) |
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302 | (every #'%check *universe*) |
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303 | t))) |
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304 | |
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305 | (defun name-char.1.body () |
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306 | (declare (optimize (safety 3))) |
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307 | (loop for x in *universe* |
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308 | for s = (catch-type-error (string x)) |
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309 | always |
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310 | (or (eqlt s 'type-error) |
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311 | (let ((c (name-char x))) |
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312 | (or (not c) |
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313 | (characterp c) |
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314 | ;; FIXME The rest of this wasn't reachable |
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315 | #| |
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316 | (let ((name (char-name c))) |
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317 | (declare (type (or null string) name)) |
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318 | (and name |
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319 | (string-equal name s))) |
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320 | |# |
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321 | ))))) |
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