Mercurial Hosting > luan
annotate core/src/luan/modules/IoLuan.java @ 590:f050c30952c0
add Io.schemes.null
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Thu, 27 Aug 2015 08:35:03 -0600 |
parents | 60c549d43988 |
children | b4f3dbe1c6e3 |
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1 package luan.modules; |
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2 |
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3 import java.io.InputStream; |
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4 import java.io.OutputStream; |
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5 import java.io.PrintStream; |
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6 import java.io.Reader; |
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7 import java.io.Writer; |
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8 import java.io.StringReader; |
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9 import java.io.BufferedReader; |
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10 import java.io.BufferedWriter; |
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11 import java.io.BufferedInputStream; |
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12 import java.io.BufferedOutputStream; |
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13 import java.io.File; |
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14 import java.io.FileInputStream; |
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15 import java.io.FileOutputStream; |
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16 import java.io.InputStreamReader; |
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17 import java.io.OutputStreamWriter; |
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18 import java.io.ByteArrayInputStream; |
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19 import java.io.DataInputStream; |
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20 import java.io.DataOutputStream; |
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21 import java.io.StringWriter; |
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22 import java.io.IOException; |
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23 import java.io.FileNotFoundException; |
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24 import java.net.URL; |
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25 import java.net.Socket; |
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26 import java.net.ServerSocket; |
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27 import java.net.MalformedURLException; |
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28 import java.util.List; |
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29 import java.util.ArrayList; |
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30 import luan.Luan; |
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31 import luan.LuanState; |
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32 import luan.LuanTable; |
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33 import luan.LuanFunction; |
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34 import luan.LuanJavaFunction; |
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35 import luan.LuanException; |
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36 |
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37 |
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38 public final class IoLuan { |
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39 |
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40 private static void add(LuanTable t,String method,Class... parameterTypes) throws NoSuchMethodException { |
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41 t.rawPut( method, new LuanJavaFunction(IoLuan.class.getMethod(method,parameterTypes),null) ); |
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42 } |
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43 |
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44 public static String read_console_line(String prompt) throws IOException { |
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45 if( prompt==null ) |
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46 prompt = "> "; |
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47 return System.console().readLine(prompt); |
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48 } |
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49 |
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50 |
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51 public interface LuanWriter { |
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52 public void write(LuanState luan,Object... args) throws LuanException, IOException; |
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53 public void close() throws IOException; |
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54 } |
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55 |
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56 public static LuanTable textWriter(final PrintStream out) { |
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57 LuanWriter luanWriter = new LuanWriter() { |
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58 |
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59 public void write(LuanState luan,Object... args) throws LuanException { |
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60 for( Object obj : args ) { |
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61 out.print( luan.toString(obj) ); |
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62 } |
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63 } |
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64 |
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65 public void close() { |
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66 out.close(); |
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67 } |
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68 }; |
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69 return writer(luanWriter); |
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70 } |
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71 |
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72 public static LuanTable textWriter(final Writer out) { |
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73 LuanWriter luanWriter = new LuanWriter() { |
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74 |
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75 public void write(LuanState luan,Object... args) throws LuanException, IOException { |
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76 for( Object obj : args ) { |
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77 out.write( luan.toString(obj) ); |
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78 } |
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79 } |
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80 |
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81 public void close() throws IOException { |
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82 out.close(); |
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83 } |
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84 }; |
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85 return writer(luanWriter); |
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86 } |
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87 |
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88 private static LuanTable writer(LuanWriter luanWriter) { |
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89 LuanTable writer = new LuanTable(); |
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90 try { |
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91 writer.rawPut( "write", new LuanJavaFunction( |
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92 LuanWriter.class.getMethod( "write", LuanState.class, new Object[0].getClass() ), luanWriter |
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93 ) ); |
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94 writer.rawPut( "close", new LuanJavaFunction( |
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95 LuanWriter.class.getMethod( "close" ), luanWriter |
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96 ) ); |
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97 } catch(NoSuchMethodException e) { |
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98 throw new RuntimeException(e); |
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99 } |
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100 return writer; |
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101 } |
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102 |
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103 |
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104 public static LuanTable binaryWriter(final OutputStream out) { |
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105 LuanTable writer = new LuanTable(); |
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106 try { |
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107 writer.rawPut( "write", new LuanJavaFunction( |
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108 OutputStream.class.getMethod( "write", new byte[0].getClass() ), out |
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109 ) ); |
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110 writer.rawPut( "close", new LuanJavaFunction( |
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111 OutputStream.class.getMethod( "close" ), out |
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112 ) ); |
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113 } catch(NoSuchMethodException e) { |
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114 throw new RuntimeException(e); |
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115 } |
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116 return writer; |
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117 } |
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118 |
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119 static LuanFunction lines(final BufferedReader in) { |
115
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120 return new LuanFunction() { |
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121 @Override public Object call(LuanState luan,Object[] args) throws LuanException { |
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122 try { |
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123 if( args.length > 0 ) { |
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124 if( args.length > 1 || !"close".equals(args[0]) ) |
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125 throw new LuanException(luan, "the only argument allowed is 'close'" ); |
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126 in.close(); |
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127 return null; |
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128 } |
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129 String rtn = in.readLine(); |
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130 if( rtn==null ) |
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131 in.close(); |
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132 return rtn; |
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133 } catch(IOException e) { |
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134 throw new LuanException(luan,e); |
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135 } |
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136 } |
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137 }; |
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138 } |
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139 |
116
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140 static LuanFunction blocks(final InputStream in,final int blockSize) { |
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141 return new LuanFunction() { |
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142 final byte[] a = new byte[blockSize]; |
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143 |
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144 @Override public Object call(LuanState luan,Object[] args) throws LuanException { |
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145 try { |
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146 if( args.length > 0 ) { |
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147 if( args.length > 1 || !"close".equals(args[0]) ) |
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148 throw new LuanException(luan, "the only argument allowed is 'close'" ); |
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149 in.close(); |
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150 return null; |
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151 } |
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152 if( in.read(a) == -1 ) { |
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153 in.close(); |
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154 return null; |
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155 } |
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156 return a; |
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157 } catch(IOException e) { |
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158 throw new LuanException(luan,e); |
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159 } |
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160 } |
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161 }; |
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162 } |
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163 |
125
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164 |
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165 |
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166 public static abstract class LuanIn { |
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167 abstract InputStream inputStream() throws IOException; |
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168 public abstract String to_string(); |
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169 |
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170 public Reader reader() throws IOException { |
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171 return new InputStreamReader(inputStream()); |
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172 } |
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173 |
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174 public String read_text() throws IOException { |
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175 Reader in = reader(); |
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176 String s = Utils.readAll(in); |
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177 in.close(); |
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178 return s; |
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179 } |
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180 |
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181 public byte[] read_binary() throws IOException { |
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182 InputStream in = inputStream(); |
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183 byte[] a = Utils.readAll(in); |
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184 in.close(); |
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185 return a; |
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186 } |
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187 |
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188 public LuanFunction read_lines() throws IOException { |
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189 return lines(new BufferedReader(reader())); |
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190 } |
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191 |
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192 public LuanFunction read_blocks(Integer blockSize) throws IOException { |
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193 int n = blockSize!=null ? blockSize : Utils.bufSize; |
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194 return blocks(inputStream(),n); |
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195 } |
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196 |
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197 public boolean exists() throws IOException { |
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198 try { |
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199 inputStream().close(); |
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200 return true; |
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201 } catch(FileNotFoundException e) { |
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202 return false; |
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203 } |
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204 } |
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205 |
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206 public LuanTable table() { |
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207 LuanTable tbl = new LuanTable(); |
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208 try { |
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209 tbl.rawPut( "to_string", new LuanJavaFunction( |
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210 LuanIn.class.getMethod( "to_string" ), this |
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211 ) ); |
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212 tbl.rawPut( "read_text", new LuanJavaFunction( |
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213 LuanIn.class.getMethod( "read_text" ), this |
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214 ) ); |
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215 tbl.rawPut( "read_binary", new LuanJavaFunction( |
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216 LuanIn.class.getMethod( "read_binary" ), this |
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217 ) ); |
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218 tbl.rawPut( "read_lines", new LuanJavaFunction( |
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219 LuanIn.class.getMethod( "read_lines" ), this |
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220 ) ); |
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221 tbl.rawPut( "read_blocks", new LuanJavaFunction( |
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222 LuanIn.class.getMethod( "read_blocks", Integer.class ), this |
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223 ) ); |
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224 tbl.rawPut( "exists", new LuanJavaFunction( |
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225 LuanIn.class.getMethod( "exists" ), this |
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226 ) ); |
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227 } catch(NoSuchMethodException e) { |
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228 throw new RuntimeException(e); |
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229 } |
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230 return tbl; |
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231 } |
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232 } |
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233 |
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234 public static final LuanIn defaultStdin = new LuanIn() { |
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235 |
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236 @Override InputStream inputStream() { |
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237 return System.in; |
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238 } |
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239 |
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240 @Override public String to_string() { |
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241 return "<stdin>"; |
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242 } |
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243 |
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244 @Override public String read_text() throws IOException { |
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245 return Utils.readAll(new InputStreamReader(System.in)); |
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246 } |
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247 |
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248 @Override public byte[] read_binary() throws IOException { |
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249 return Utils.readAll(System.in); |
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250 } |
265
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251 |
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252 @Override public boolean exists() { |
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253 return true; |
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254 } |
261
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255 }; |
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256 |
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257 public static abstract class LuanIO extends LuanIn { |
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258 abstract OutputStream outputStream() throws IOException; |
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259 |
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260 public void write(LuanState luan,Object obj) throws LuanException, IOException { |
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261 if( obj instanceof String ) { |
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262 String s = (String)obj; |
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263 Writer out = new OutputStreamWriter(outputStream()); |
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264 out.write(s); |
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265 out.close(); |
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266 return; |
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267 } |
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268 if( obj instanceof byte[] ) { |
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269 byte[] a = (byte[])obj; |
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270 OutputStream out = outputStream(); |
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271 Utils.copyAll(new ByteArrayInputStream(a),out); |
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272 out.close(); |
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273 return; |
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274 } |
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275 throw new LuanException(luan, "bad argument #1 to 'write' (string or binary expected)" ); |
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276 } |
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277 |
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278 public LuanTable text_writer() throws IOException { |
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279 return textWriter(new BufferedWriter(new OutputStreamWriter(outputStream()))); |
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280 } |
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281 |
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282 public LuanTable binary_writer() throws IOException { |
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283 return binaryWriter(new BufferedOutputStream(outputStream())); |
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284 } |
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285 |
297
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286 @Override public LuanTable table() { |
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287 LuanTable tbl = super.table(); |
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288 try { |
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289 tbl.rawPut( "write", new LuanJavaFunction( |
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290 LuanIO.class.getMethod( "write", LuanState.class, Object.class ), this |
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291 ) ); |
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292 tbl.rawPut( "text_writer", new LuanJavaFunction( |
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293 LuanIO.class.getMethod( "text_writer" ), this |
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294 ) ); |
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295 tbl.rawPut( "binary_writer", new LuanJavaFunction( |
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296 LuanIO.class.getMethod( "binary_writer" ), this |
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297 ) ); |
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298 } catch(NoSuchMethodException e) { |
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299 throw new RuntimeException(e); |
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300 } |
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301 return tbl; |
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302 } |
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303 } |
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304 |
590 | 305 private static final LuanIO nullIO = new LuanIO() { |
306 private final InputStream in = new InputStream() { | |
307 @Override public int read() { | |
308 return -1; | |
309 } | |
310 }; | |
311 private final OutputStream out = new OutputStream() { | |
312 @Override public void write(int b) {} | |
313 }; | |
314 | |
315 @Override InputStream inputStream() { | |
316 return in; | |
317 } | |
318 | |
319 @Override OutputStream outputStream() { | |
320 return out; | |
321 } | |
322 | |
323 @Override public String to_string() { | |
324 return "<null>"; | |
325 } | |
326 | |
327 }; | |
328 | |
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329 public static final class LuanString extends LuanIO { |
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330 private String s; |
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331 |
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332 private LuanString(String s) { |
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333 this.s = s; |
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334 } |
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335 |
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336 @Override InputStream inputStream() { |
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337 throw new UnsupportedOperationException(); |
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338 } |
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339 |
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340 @Override OutputStream outputStream() { |
314
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341 throw new UnsupportedOperationException(); |
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342 } |
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343 |
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344 @Override public String to_string() { |
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345 return "<string>"; |
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346 } |
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347 |
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348 @Override public Reader reader() { |
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349 return new StringReader(s); |
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350 } |
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351 |
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352 @Override public String read_text() { |
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353 return s; |
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354 } |
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355 |
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356 @Override public boolean exists() { |
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357 return true; |
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358 } |
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359 |
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360 @Override public LuanTable text_writer() throws IOException { |
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361 LuanWriter luanWriter = new LuanWriter() { |
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362 private final Writer out = new StringWriter(); |
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363 |
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364 public void write(LuanState luan,Object... args) throws LuanException, IOException { |
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365 for( Object obj : args ) { |
575
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366 out.write( luan.toString(obj) ); |
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367 } |
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368 } |
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369 |
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370 public void close() throws IOException { |
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371 s = out.toString(); |
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372 } |
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373 }; |
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374 return writer(luanWriter); |
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375 } |
314
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376 } |
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377 |
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378 public static final class LuanUrl extends LuanIn { |
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379 private final URL url; |
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380 |
263
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381 private LuanUrl(URL url) { |
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382 this.url = url; |
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383 } |
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384 |
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385 @Override InputStream inputStream() throws IOException { |
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386 return url.openStream(); |
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387 } |
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388 |
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389 @Override public String to_string() { |
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390 return url.toString(); |
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391 } |
283
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392 |
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393 public String post(String postS) throws IOException { |
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394 return new UrlCall(url).post(postS); |
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395 } |
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396 |
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397 @Override public LuanTable table() { |
283
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398 LuanTable tbl = super.table(); |
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399 try { |
427
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400 tbl.rawPut( "post", new LuanJavaFunction( |
283
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401 LuanUrl.class.getMethod( "post", String.class ), this |
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402 ) ); |
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403 } catch(NoSuchMethodException e) { |
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404 throw new RuntimeException(e); |
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405 } |
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406 return tbl; |
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407 } |
125
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408 } |
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409 |
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410 public static final class LuanFile extends LuanIO { |
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411 private final File file; |
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412 |
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413 private LuanFile(LuanState luan,File file) throws LuanException { |
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414 this(file); |
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415 check(luan,"file:"+file.toString()); |
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416 } |
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417 |
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418 private LuanFile(File file) { |
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419 this.file = file; |
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420 } |
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421 |
144
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422 @Override InputStream inputStream() throws IOException { |
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423 return new FileInputStream(file); |
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424 } |
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425 |
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426 @Override OutputStream outputStream() throws IOException { |
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427 return new FileOutputStream(file); |
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428 } |
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429 |
147
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430 @Override public String to_string() { |
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431 return file.toString(); |
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432 } |
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433 |
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434 public LuanTable child(LuanState luan,String name) throws LuanException { |
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435 return new LuanFile(luan,new File(file,name)).table(); |
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436 } |
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437 |
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438 public LuanTable children(LuanState luan) throws LuanException { |
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439 File[] files = file.listFiles(); |
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440 if( files==null ) |
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441 return null; |
411
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442 LuanTable list = new LuanTable(); |
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443 for( File f : files ) { |
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444 list.rawPut(list.rawLength()+1,new LuanFile(luan,f).table()); |
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445 } |
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446 return list; |
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447 } |
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448 |
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449 public LuanTable parent(LuanState luan) throws LuanException, IOException { |
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450 File parent = file.getParentFile(); |
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451 if( parent==null ) |
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452 parent = file.getCanonicalFile().getParentFile(); |
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453 return new LuanFile(luan,parent).table(); |
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454 } |
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455 |
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456 @Override public boolean exists() { |
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457 return file.exists(); |
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458 } |
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459 |
293
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460 public boolean rename_to(String dest) { |
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461 return file.renameTo(new File(dest)); |
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462 } |
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463 |
310
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464 public LuanTable canonical(LuanState luan) throws LuanException, IOException { |
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465 return new LuanFile(luan,file.getCanonicalFile()).table(); |
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466 } |
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467 |
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remove PackageLuan.load_lib()
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468 @Override public LuanTable table() { |
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469 LuanTable tbl = super.table(); |
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470 try { |
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471 tbl.rawPut( "name", new LuanJavaFunction( |
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472 File.class.getMethod( "getName" ), file |
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473 ) ); |
427
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474 tbl.rawPut( "is_directory", new LuanJavaFunction( |
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475 File.class.getMethod( "isDirectory" ), file |
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476 ) ); |
427
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477 tbl.rawPut( "is_file", new LuanJavaFunction( |
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478 File.class.getMethod( "isFile" ), file |
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479 ) ); |
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480 tbl.rawPut( "delete", new LuanJavaFunction( |
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481 File.class.getMethod( "delete" ), file |
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482 ) ); |
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483 tbl.rawPut( "mkdir", new LuanJavaFunction( |
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484 File.class.getMethod( "mkdir" ), file |
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485 ) ); |
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486 tbl.rawPut( "mkdirs", new LuanJavaFunction( |
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487 File.class.getMethod( "mkdirs" ), file |
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488 ) ); |
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489 tbl.rawPut( "last_modified", new LuanJavaFunction( |
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490 File.class.getMethod( "lastModified" ), file |
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491 ) ); |
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492 tbl.rawPut( "child", new LuanJavaFunction( |
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493 LuanFile.class.getMethod( "child", LuanState.class, String.class ), this |
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494 ) ); |
427
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495 tbl.rawPut( "children", new LuanJavaFunction( |
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496 LuanFile.class.getMethod( "children", LuanState.class ), this |
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497 ) ); |
427
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498 tbl.rawPut( "parent", new LuanJavaFunction( |
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499 LuanFile.class.getMethod( "parent", LuanState.class ), this |
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500 ) ); |
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501 tbl.rawPut( "rename_to", new LuanJavaFunction( |
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502 LuanFile.class.getMethod( "rename_to", String.class ), this |
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503 ) ); |
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504 tbl.rawPut( "canonical", new LuanJavaFunction( |
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505 LuanFile.class.getMethod( "canonical", LuanState.class ), this |
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506 ) ); |
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507 } catch(NoSuchMethodException e) { |
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508 throw new RuntimeException(e); |
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509 } |
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510 return tbl; |
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511 } |
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512 } |
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513 |
590 | 514 public static LuanTable null_() { |
515 return nullIO.table(); | |
516 } | |
517 | |
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518 public static LuanTable string(LuanState luan,String s) throws LuanException { |
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519 Utils.checkNotNull(luan,s); |
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520 return new LuanString(s).table(); |
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521 } |
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522 |
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523 public static LuanTable file(LuanState luan,String name,Boolean addExtension) throws LuanException { |
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524 if( addExtension != null && addExtension ) |
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525 name += ".luan"; |
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526 File file = new File(name); |
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527 return new LuanFile(file).table(); |
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528 } |
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529 |
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530 public static LuanTable classpath(LuanState luan,String name,Boolean addExtension) throws LuanException { |
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531 if( name.contains("//") ) |
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532 return null; |
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533 if( addExtension != null && addExtension ) |
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534 name += ".luan"; |
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535 String path = name; |
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536 check(luan,"classpath:"+path); |
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537 URL url; |
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538 if( !path.contains("#") ) { |
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539 url = ClassLoader.getSystemResource(path); |
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540 } else { |
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541 String[] a = path.split("#"); |
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542 url = ClassLoader.getSystemResource(a[0]); |
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543 if( url==null ) { |
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544 for( int i=1; i<a.length; i++ ) { |
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545 url = ClassLoader.getSystemResource(a[0]+"/"+a[i]); |
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546 if( url != null ) { |
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547 try { |
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548 url = new URL(url,"."); |
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549 } catch(MalformedURLException e) { |
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550 throw new RuntimeException(e); |
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551 } |
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552 break; |
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553 } |
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554 } |
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555 } |
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556 } |
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557 if( url != null ) |
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558 return new LuanUrl(url).table(); |
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559 |
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560 return null; |
260
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561 } |
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562 |
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563 private static LuanTable url(String url,Boolean addExtension) throws IOException { |
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564 if( addExtension != null && addExtension ) |
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565 url += ".luan"; |
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566 return new LuanUrl(new URL(url)).table(); |
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567 } |
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568 |
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569 public static LuanTable http(String path,Boolean addExtension) throws IOException { |
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570 return url("http:"+path,addExtension); |
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571 } |
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572 |
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573 public static LuanTable https(String path,Boolean addExtension) throws IOException { |
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574 return url("https:"+path,addExtension); |
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575 } |
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576 |
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577 public static LuanTable luan(LuanState luan,String path,Boolean addExtension) throws LuanException { |
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578 return classpath( luan, "luan/modules/" + path, addExtension ); |
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579 } |
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580 |
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581 public static LuanTable stdin(LuanState luan) throws LuanException { |
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582 LuanTable io = (LuanTable)PackageLuan.require(luan,"luan:Io"); |
575
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583 return (LuanTable)io.get(luan,"stdin"); |
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584 } |
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585 |
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586 public static LuanTable newSchemes() { |
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587 LuanTable schemes = new LuanTable(); |
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588 try { |
590 | 589 schemes.rawPut( "null", new LuanJavaFunction(IoLuan.class.getMethod("null_"),null) ); |
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590 add( schemes, "string", LuanState.class, String.class ); |
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591 add( schemes, "file", LuanState.class, String.class, Boolean.class ); |
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592 add( schemes, "classpath", LuanState.class, String.class, Boolean.class ); |
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593 add( schemes, "socket", LuanState.class, String.class ); |
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594 add( schemes, "http", String.class, Boolean.class ); |
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595 add( schemes, "https", String.class, Boolean.class ); |
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596 add( schemes, "luan", LuanState.class, String.class, Boolean.class ); |
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597 add( schemes, "stdin", LuanState.class ); |
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598 } catch(NoSuchMethodException e) { |
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599 throw new RuntimeException(e); |
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600 } |
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601 return schemes; |
260
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602 } |
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603 |
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604 private static LuanTable schemes(LuanState luan) throws LuanException { |
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605 LuanTable t = (LuanTable)PackageLuan.loaded(luan).rawGet("luan:Io"); |
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606 if( t == null ) |
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607 return newSchemes(); |
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608 t = (LuanTable)t.get(luan,"schemes"); |
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609 if( t == null ) |
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610 return newSchemes(); |
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611 return t; |
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612 } |
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613 |
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614 public static LuanTable uri(LuanState luan,String name,Boolean addExtension) throws LuanException { |
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615 int i = name.indexOf(':'); |
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616 if( i == -1 ) |
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617 throw new LuanException(luan, "invalid Io.uri name '"+name+"', missing scheme" ); |
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618 String scheme = name.substring(0,i); |
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619 String location = name.substring(i+1); |
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620 LuanTable schemes = schemes(luan); |
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621 LuanFunction opener = (LuanFunction)schemes.get(luan,scheme); |
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622 if( opener == null ) |
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623 throw new LuanException(luan, "invalid scheme '"+scheme+"' in '"+name+"'" ); |
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624 return (LuanTable)Luan.first(opener.call(luan,new Object[]{location,addExtension})); |
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625 } |
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626 |
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627 public static final class LuanSocket extends LuanIO { |
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628 private final Socket socket; |
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629 |
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630 private LuanSocket(String host,int port) throws IOException { |
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631 this(new Socket(host,port)); |
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632 } |
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633 |
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634 private LuanSocket(Socket socket) throws IOException { |
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635 this.socket = socket; |
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636 } |
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637 |
144
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638 @Override InputStream inputStream() throws IOException { |
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639 return socket.getInputStream(); |
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640 } |
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641 |
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642 @Override OutputStream outputStream() throws IOException { |
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643 return socket.getOutputStream(); |
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644 } |
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645 |
147
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646 @Override public String to_string() { |
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647 return socket.toString(); |
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648 } |
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649 |
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650 public LuanTable pickle_client(LuanState luan) throws IOException { |
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651 InputStream in = new BufferedInputStream(inputStream()); |
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652 OutputStream out = new BufferedOutputStream(outputStream()); |
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653 return new PickleClient(luan,in,out).table(); |
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654 } |
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655 |
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656 public void run_pickle_server(LuanState luan) throws IOException, LuanException { |
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657 InputStream in = new BufferedInputStream(inputStream()); |
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658 OutputStream out = new BufferedOutputStream(outputStream()); |
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659 new PickleServer(luan,in,out).run(); |
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660 } |
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661 |
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662 @Override public LuanTable table() { |
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663 LuanTable tbl = super.table(); |
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664 try { |
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665 tbl.rawPut( "pickle_client", new LuanJavaFunction( |
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666 LuanSocket.class.getMethod( "pickle_client", LuanState.class ), this |
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667 ) ); |
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668 tbl.rawPut( "run_pickle_server", new LuanJavaFunction( |
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669 LuanSocket.class.getMethod( "run_pickle_server", LuanState.class ), this |
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670 ) ); |
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671 } catch(NoSuchMethodException e) { |
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672 throw new RuntimeException(e); |
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673 } |
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674 return tbl; |
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675 } |
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676 } |
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677 |
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678 public static LuanTable socket(LuanState luan,String name) throws LuanException, IOException { |
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679 int i = name.indexOf(':'); |
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680 if( i == -1 ) |
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681 throw new LuanException(luan, "invalid socket '"+name+"', format is: <host>:<port>" ); |
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682 String host = name.substring(0,i); |
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683 String portStr = name.substring(i+1); |
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684 int port = Integer.parseInt(portStr); |
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685 return new LuanSocket(host,port).table(); |
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686 } |
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687 |
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688 public static LuanFunction socket_server(int port) throws IOException { |
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689 final ServerSocket ss = new ServerSocket(port); |
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690 return new LuanFunction() { |
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691 @Override public Object call(LuanState luan,Object[] args) throws LuanException { |
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692 try { |
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693 if( args.length > 0 ) { |
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694 if( args.length > 1 || !"close".equals(args[0]) ) |
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695 throw new LuanException(luan, "the only argument allowed is 'close'" ); |
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696 ss.close(); |
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697 return null; |
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698 } |
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699 return new LuanSocket(ss.accept()).table(); |
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700 } catch(IOException e) { |
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701 throw new LuanException(luan,e); |
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702 } |
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703 } |
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704 }; |
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705 } |
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706 |
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707 |
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708 // security |
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709 |
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710 public interface Security { |
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711 public void check(LuanState luan,String name) throws LuanException; |
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712 } |
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713 |
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714 private static String SECURITY_KEY = "Io.Security"; |
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715 |
301
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716 private static void check(LuanState luan,String name) throws LuanException { |
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717 Security s = (Security)luan.registry().get(SECURITY_KEY); |
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718 if( s!=null ) |
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719 s.check(luan,name); |
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720 } |
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721 |
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722 public static void setSecurity(LuanState luan,Security s) { |
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723 luan.registry().put(SECURITY_KEY,s); |
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724 } |
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725 |
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726 private void IoLuan() {} // never |
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727 } |