1 | /* |
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2 | * CharacterFunctions.java |
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3 | * |
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4 | * Copyright (C) 2003-2006 Peter Graves |
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5 | * $Id: CharacterFunctions.java 12290 2009-11-30 22:28:50Z vvoutilainen $ |
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6 | * |
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7 | * This program is free software; you can redistribute it and/or |
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8 | * modify it under the terms of the GNU General Public License |
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9 | * as published by the Free Software Foundation; either version 2 |
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10 | * of the License, or (at your option) any later version. |
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11 | * |
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12 | * This program is distributed in the hope that it will be useful, |
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | * GNU General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU General Public License |
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18 | * along with this program; if not, write to the Free Software |
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19 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 | * |
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21 | * As a special exception, the copyright holders of this library give you |
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22 | * permission to link this library with independent modules to produce an |
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23 | * executable, regardless of the license terms of these independent |
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24 | * modules, and to copy and distribute the resulting executable under |
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25 | * terms of your choice, provided that you also meet, for each linked |
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26 | * independent module, the terms and conditions of the license of that |
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27 | * module. An independent module is a module which is not derived from |
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28 | * or based on this library. If you modify this library, you may extend |
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29 | * this exception to your version of the library, but you are not |
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30 | * obligated to do so. If you do not wish to do so, delete this |
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31 | * exception statement from your version. |
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32 | */ |
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33 | |
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34 | package org.armedbear.lisp; |
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35 | |
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36 | import static org.armedbear.lisp.Lisp.*; |
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37 | |
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38 | public final class CharacterFunctions |
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39 | { |
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40 | // ### char= |
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41 | private static final Primitive CHAR_EQUALS = |
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42 | new Primitive("char=", "&rest characters") |
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43 | { |
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44 | @Override |
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45 | public LispObject execute() |
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46 | { |
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47 | return error(new WrongNumberOfArgumentsException(this)); |
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48 | } |
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49 | @Override |
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50 | public LispObject execute(LispObject arg) |
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51 | { |
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52 | if (arg instanceof LispCharacter) |
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53 | return T; |
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54 | return type_error(arg, Symbol.CHARACTER); |
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55 | } |
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56 | @Override |
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57 | public LispObject execute(LispObject first, LispObject second) |
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58 | |
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59 | { |
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60 | return LispCharacter.getValue(first) == LispCharacter.getValue(second) ? T : NIL; |
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61 | } |
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62 | @Override |
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63 | public LispObject execute(LispObject[] array) |
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64 | { |
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65 | final int length = array.length; |
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66 | final char c0 = LispCharacter.getValue(array[0]); |
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67 | for (int i = 1; i < length; i++) { |
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68 | if (c0 != LispCharacter.getValue(array[i])) |
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69 | return NIL; |
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70 | } |
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71 | return T; |
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72 | } |
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73 | }; |
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74 | |
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75 | // ### char-equal |
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76 | private static final Primitive CHAR_EQUAL = |
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77 | new Primitive("char-equal", "&rest characters") |
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78 | { |
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79 | @Override |
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80 | public LispObject execute() |
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81 | { |
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82 | return error(new WrongNumberOfArgumentsException(this)); |
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83 | } |
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84 | @Override |
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85 | public LispObject execute(LispObject arg) |
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86 | { |
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87 | if (arg instanceof LispCharacter) |
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88 | return T; |
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89 | return type_error(arg, Symbol.CHARACTER); |
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90 | } |
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91 | @Override |
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92 | public LispObject execute(LispObject first, LispObject second) |
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93 | |
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94 | { |
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95 | final char c1, c2; |
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96 | c1 = LispCharacter.getValue(first); |
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97 | c2 = LispCharacter.getValue(second); |
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98 | if (c1 == c2) |
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99 | return T; |
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100 | if (LispCharacter.toUpperCase(c1) == LispCharacter.toUpperCase(c2)) |
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101 | return T; |
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102 | if (LispCharacter.toLowerCase(c1) == LispCharacter.toLowerCase(c2)) |
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103 | return T; |
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104 | return NIL; |
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105 | } |
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106 | @Override |
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107 | public LispObject execute(LispObject[] array) |
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108 | { |
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109 | final int length = array.length; |
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110 | final char c0 = LispCharacter.getValue(array[0]); |
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111 | for (int i = 1; i < length; i++) { |
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112 | char c = LispCharacter.getValue(array[i]); |
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113 | if (c0 == c) |
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114 | continue; |
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115 | if (LispCharacter.toUpperCase(c0) == LispCharacter.toUpperCase(c)) |
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116 | continue; |
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117 | if (LispCharacter.toLowerCase(c0) == LispCharacter.toLowerCase(c)) |
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118 | continue; |
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119 | return NIL; |
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120 | } |
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121 | return T; |
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122 | } |
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123 | }; |
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124 | |
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125 | // ### char-greaterp |
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126 | private static final Primitive CHAR_GREATERP = |
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127 | new Primitive("char-greaterp", "&rest characters") |
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128 | { |
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129 | @Override |
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130 | public LispObject execute() |
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131 | { |
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132 | return error(new WrongNumberOfArgumentsException(this)); |
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133 | } |
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134 | @Override |
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135 | public LispObject execute(LispObject arg) |
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136 | { |
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137 | if (arg instanceof LispCharacter) |
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138 | return T; |
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139 | return type_error(arg, Symbol.CHARACTER); |
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140 | } |
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141 | @Override |
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142 | public LispObject execute(LispObject first, LispObject second) |
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143 | |
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144 | { |
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145 | char c1 = LispCharacter.toUpperCase(LispCharacter.getValue(first)); |
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146 | char c2 = LispCharacter.toUpperCase(LispCharacter.getValue(second)); |
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147 | return c1 > c2 ? T : NIL; |
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148 | } |
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149 | @Override |
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150 | public LispObject execute(LispObject[] array) |
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151 | { |
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152 | final int length = array.length; |
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153 | char[] chars = new char[length]; |
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154 | for (int i = 0; i < length; i++) |
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155 | chars[i] = LispCharacter.toUpperCase(LispCharacter.getValue(array[i])); |
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156 | for (int i = 1; i < length; i++) { |
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157 | if (chars[i-1] <= chars[i]) |
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158 | return NIL; |
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159 | } |
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160 | return T; |
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161 | } |
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162 | }; |
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163 | |
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164 | // ### char-not-greaterp |
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165 | private static final Primitive CHAR_NOT_GREATERP = |
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166 | new Primitive("char-not-greaterp", "&rest characters") |
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167 | { |
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168 | @Override |
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169 | public LispObject execute() |
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170 | { |
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171 | return error(new WrongNumberOfArgumentsException(this)); |
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172 | } |
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173 | @Override |
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174 | public LispObject execute(LispObject arg) |
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175 | { |
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176 | if (arg instanceof LispCharacter) |
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177 | return T; |
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178 | return type_error(arg, Symbol.CHARACTER); |
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179 | } |
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180 | @Override |
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181 | public LispObject execute(LispObject first, LispObject second) |
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182 | |
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183 | { |
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184 | char c1 = LispCharacter.toUpperCase(LispCharacter.getValue(first)); |
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185 | char c2 = LispCharacter.toUpperCase(LispCharacter.getValue(second)); |
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186 | return c1 <= c2 ? T : NIL; |
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187 | } |
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188 | @Override |
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189 | public LispObject execute(LispObject[] array) |
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190 | { |
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191 | final int length = array.length; |
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192 | char[] chars = new char[length]; |
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193 | for (int i = 0; i < length; i++) |
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194 | chars[i] = LispCharacter.toUpperCase(LispCharacter.getValue(array[i])); |
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195 | for (int i = 1; i < length; i++) { |
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196 | if (chars[i] < chars[i-1]) |
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197 | return NIL; |
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198 | } |
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199 | return T; |
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200 | } |
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201 | }; |
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202 | |
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203 | // ### char< |
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204 | private static final Primitive CHAR_LESS_THAN = |
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205 | new Primitive("char<", "&rest characters") |
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206 | { |
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207 | @Override |
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208 | public LispObject execute() |
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209 | { |
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210 | return error(new WrongNumberOfArgumentsException(this)); |
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211 | } |
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212 | @Override |
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213 | public LispObject execute(LispObject arg) |
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214 | { |
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215 | if (arg instanceof LispCharacter) |
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216 | return T; |
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217 | return type_error(arg, Symbol.CHARACTER); |
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218 | } |
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219 | @Override |
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220 | public LispObject execute(LispObject first, LispObject second) |
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221 | |
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222 | { |
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223 | return LispCharacter.getValue(first) < LispCharacter.getValue(second) ? T : NIL; |
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224 | } |
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225 | @Override |
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226 | public LispObject execute(LispObject[] args) |
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227 | { |
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228 | final int length = args.length; |
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229 | char[] chars = new char[length]; |
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230 | for (int i = 0; i < length; i++) { |
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231 | chars[i] = LispCharacter.getValue(args[i]); |
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232 | } |
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233 | for (int i = 1; i < length; i++) { |
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234 | if (chars[i-1] >= chars[i]) |
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235 | return NIL; |
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236 | } |
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237 | return T; |
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238 | } |
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239 | }; |
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240 | |
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241 | // ### char<= |
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242 | private static final Primitive CHAR_LE = |
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243 | new Primitive("char<=", "&rest characters") |
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244 | { |
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245 | @Override |
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246 | public LispObject execute() |
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247 | { |
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248 | return error(new WrongNumberOfArgumentsException(this)); |
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249 | } |
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250 | @Override |
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251 | public LispObject execute(LispObject arg) |
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252 | { |
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253 | if (arg instanceof LispCharacter) |
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254 | return T; |
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255 | return type_error(arg, Symbol.CHARACTER); |
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256 | } |
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257 | @Override |
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258 | public LispObject execute(LispObject first, LispObject second) |
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259 | |
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260 | { |
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261 | return LispCharacter.getValue(first) <= LispCharacter.getValue(second) ? T : NIL; |
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262 | } |
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263 | @Override |
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264 | public LispObject execute(LispObject first, LispObject second, |
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265 | LispObject third) |
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266 | |
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267 | { |
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268 | if (LispCharacter.getValue(first) > LispCharacter.getValue(second)) |
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269 | return NIL; |
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270 | if (LispCharacter.getValue(second) > LispCharacter.getValue(third)) |
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271 | return NIL; |
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272 | return T; |
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273 | } |
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274 | @Override |
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275 | public LispObject execute(LispObject[] args) |
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276 | { |
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277 | final int length = args.length; |
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278 | char[] chars = new char[length]; |
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279 | for (int i = 0; i < length; i++) { |
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280 | chars[i] = LispCharacter.getValue(args[i]); |
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281 | } |
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282 | for (int i = 1; i < length; i++) { |
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283 | if (chars[i-1] > chars[i]) |
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284 | return NIL; |
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285 | } |
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286 | return T; |
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287 | } |
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288 | }; |
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289 | |
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290 | // ### char-lessp |
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291 | private static final Primitive CHAR_LESSP = |
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292 | new Primitive("char-lessp", "&rest characters") |
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293 | { |
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294 | @Override |
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295 | public LispObject execute() |
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296 | { |
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297 | return error(new WrongNumberOfArgumentsException(this)); |
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298 | } |
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299 | @Override |
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300 | public LispObject execute(LispObject arg) |
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301 | { |
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302 | if (arg instanceof LispCharacter) |
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303 | return T; |
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304 | return type_error(arg, Symbol.CHARACTER); |
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305 | } |
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306 | @Override |
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307 | public LispObject execute(LispObject first, LispObject second) |
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308 | |
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309 | { |
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310 | char c1 = LispCharacter.toUpperCase(LispCharacter.getValue(first)); |
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311 | char c2 = LispCharacter.toUpperCase(LispCharacter.getValue(second)); |
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312 | return c1 < c2 ? T : NIL; |
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313 | } |
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314 | @Override |
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315 | public LispObject execute(LispObject[] array) |
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316 | { |
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317 | final int length = array.length; |
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318 | char[] chars = new char[length]; |
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319 | for (int i = 0; i < length; i++) |
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320 | chars[i] = LispCharacter.toUpperCase(LispCharacter.getValue(array[i])); |
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321 | for (int i = 1; i < length; i++) { |
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322 | if (chars[i-1] >= chars[i]) |
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323 | return NIL; |
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324 | } |
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325 | return T; |
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326 | } |
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327 | }; |
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328 | |
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329 | // ### char-not-lessp |
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330 | private static final Primitive CHAR_NOT_LESSP = |
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331 | new Primitive("char-not-lessp", "&rest characters") |
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332 | { |
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333 | @Override |
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334 | public LispObject execute() |
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335 | { |
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336 | return error(new WrongNumberOfArgumentsException(this)); |
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337 | } |
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338 | @Override |
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339 | public LispObject execute(LispObject arg) |
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340 | { |
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341 | if (arg instanceof LispCharacter) |
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342 | return T; |
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343 | return type_error(arg, Symbol.CHARACTER); |
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344 | } |
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345 | @Override |
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346 | public LispObject execute(LispObject first, LispObject second) |
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347 | |
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348 | { |
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349 | char c1 = LispCharacter.toUpperCase(LispCharacter.getValue(first)); |
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350 | char c2 = LispCharacter.toUpperCase(LispCharacter.getValue(second)); |
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351 | return c1 >= c2 ? T : NIL; |
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352 | } |
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353 | @Override |
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354 | public LispObject execute(LispObject[] array) |
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355 | { |
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356 | final int length = array.length; |
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357 | char[] chars = new char[length]; |
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358 | for (int i = 0; i < length; i++) |
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359 | chars[i] = LispCharacter.toUpperCase(LispCharacter.getValue(array[i])); |
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360 | for (int i = 1; i < length; i++) { |
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361 | if (chars[i] > chars[i-1]) |
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362 | return NIL; |
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363 | } |
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364 | return T; |
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365 | } |
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366 | }; |
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367 | } |
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