Mercurial Hosting > luan
annotate src/luan/modules/IoLuan.java @ 1181:51d1342e25ad
luanhost password handling
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Tue, 20 Feb 2018 19:50:30 -0700 |
parents | e54ae41e9501 |
children | 5d0cbd908582 |
rev | line source |
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167
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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; |
701 | 27 import java.net.InetAddress; |
735 | 28 import java.net.Inet4Address; |
29 import java.net.NetworkInterface; | |
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30 import java.net.MalformedURLException; |
701 | 31 import java.net.UnknownHostException; |
735 | 32 import java.util.Enumeration; |
748 | 33 import java.util.List; |
706 | 34 import java.util.Map; |
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35 import luan.Luan; |
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36 import luan.LuanState; |
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37 import luan.LuanTable; |
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38 import luan.LuanFunction; |
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39 import luan.LuanJavaFunction; |
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40 import luan.LuanException; |
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41 import luan.modules.url.LuanUrl; |
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42 |
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43 |
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44 public final class IoLuan { |
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45 |
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46 private static void add(LuanTable t,String method,Class... parameterTypes) throws NoSuchMethodException { |
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47 t.rawPut( method, new LuanJavaFunction(IoLuan.class.getMethod(method,parameterTypes),null) ); |
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48 } |
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49 |
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50 public static String read_console_line(String prompt) throws IOException { |
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51 if( prompt==null ) |
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52 prompt = "> "; |
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53 return System.console().readLine(prompt); |
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54 } |
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55 |
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56 |
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57 public interface LuanWriter { |
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58 public void write(LuanState luan,Object... args) throws LuanException, IOException; |
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59 public void close() throws IOException; |
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60 } |
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61 |
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62 private static LuanWriter luanWriter(final PrintStream out) { |
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63 return new LuanWriter() { |
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64 |
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65 public void write(LuanState luan,Object... args) throws LuanException { |
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66 for( Object obj : args ) { |
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67 out.print( luan.toString(obj) ); |
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68 } |
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69 } |
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70 |
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71 public void close() { |
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72 out.close(); |
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73 } |
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74 }; |
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75 } |
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76 |
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77 public static LuanTable textWriter(final PrintStream out) { |
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78 return writer(luanWriter(out)); |
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79 } |
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80 |
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81 private static LuanWriter luanWriter(final Writer out) { |
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82 return new LuanWriter() { |
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83 |
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84 public void write(LuanState luan,Object... args) throws LuanException, IOException { |
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85 for( Object obj : args ) { |
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86 out.write( luan.toString(obj) ); |
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87 } |
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88 } |
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89 |
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90 public void close() throws IOException { |
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91 out.close(); |
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92 } |
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93 }; |
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94 } |
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95 |
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96 public static LuanTable textWriter(final Writer out) { |
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97 return writer(luanWriter(out)); |
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98 } |
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99 |
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100 private static LuanTable writer(LuanWriter luanWriter) { |
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101 LuanTable writer = new LuanTable(); |
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102 try { |
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103 writer.rawPut( "write", new LuanJavaFunction( |
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104 LuanWriter.class.getMethod( "write", LuanState.class, new Object[0].getClass() ), luanWriter |
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105 ) ); |
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106 writer.rawPut( "close", new LuanJavaFunction( |
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107 LuanWriter.class.getMethod( "close" ), luanWriter |
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108 ) ); |
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109 } catch(NoSuchMethodException e) { |
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110 throw new RuntimeException(e); |
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111 } |
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112 return writer; |
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113 } |
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114 |
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115 |
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116 public static LuanTable binaryWriter(final OutputStream out) { |
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117 LuanTable writer = new LuanTable(); |
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118 try { |
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119 writer.rawPut( "write", new LuanJavaFunction( |
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120 OutputStream.class.getMethod( "write", new byte[0].getClass() ), out |
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121 ) ); |
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122 writer.rawPut( "close", new LuanJavaFunction( |
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123 OutputStream.class.getMethod( "close" ), out |
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124 ) ); |
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125 } catch(NoSuchMethodException e) { |
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126 throw new RuntimeException(e); |
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127 } |
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128 return writer; |
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129 } |
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130 |
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131 static LuanFunction lines(final BufferedReader in) { |
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132 return new LuanFunction() { |
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133 @Override public Object call(LuanState luan,Object[] args) throws LuanException { |
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134 try { |
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135 if( args.length > 0 ) { |
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136 if( args.length > 1 || !"close".equals(args[0]) ) |
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137 throw new LuanException( "the only argument allowed is 'close'" ); |
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138 in.close(); |
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139 return null; |
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140 } |
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141 String rtn = in.readLine(); |
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142 if( rtn==null ) |
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143 in.close(); |
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144 return rtn; |
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145 } catch(IOException e) { |
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146 throw new LuanException(e); |
115
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147 } |
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148 } |
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149 }; |
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150 } |
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151 |
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152 static LuanFunction blocks(final InputStream in,final int blockSize) { |
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153 return new LuanFunction() { |
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154 final byte[] a = new byte[blockSize]; |
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155 |
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156 @Override public Object call(LuanState luan,Object[] args) throws LuanException { |
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157 try { |
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158 if( args.length > 0 ) { |
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159 if( args.length > 1 || !"close".equals(args[0]) ) |
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160 throw new LuanException( "the only argument allowed is 'close'" ); |
116
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161 in.close(); |
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162 return null; |
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163 } |
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164 if( in.read(a) == -1 ) { |
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165 in.close(); |
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166 return null; |
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167 } |
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168 return a; |
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169 } catch(IOException e) { |
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170 throw new LuanException(e); |
116
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171 } |
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172 } |
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173 }; |
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174 } |
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175 |
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176 |
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177 private static File objToFile(Object obj) { |
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178 if( obj instanceof String ) { |
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179 return new File((String)obj); |
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180 } |
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181 if( obj instanceof LuanTable ) { |
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182 LuanTable t = (LuanTable)obj; |
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183 Object java = t.rawGet("java"); |
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184 if( java instanceof LuanFile ) { |
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185 LuanFile luanFile = (LuanFile)java; |
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186 return luanFile.file; |
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187 } |
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188 } |
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189 return null; |
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190 } |
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191 |
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192 |
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193 public static abstract class LuanIn { |
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194 public abstract InputStream inputStream() throws IOException, LuanException; |
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195 public abstract String to_string(); |
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197 |
722 | 198 public Reader reader() throws IOException, LuanException { |
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199 return new InputStreamReader(inputStream()); |
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200 } |
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201 |
722 | 202 public String read_text() throws IOException, LuanException { |
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203 Reader in = reader(); |
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204 String s = Utils.readAll(in); |
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205 in.close(); |
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206 return s; |
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207 } |
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208 |
722 | 209 public byte[] read_binary() throws IOException, LuanException { |
125
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210 InputStream in = inputStream(); |
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211 byte[] a = Utils.readAll(in); |
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212 in.close(); |
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213 return a; |
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214 } |
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215 |
722 | 216 public LuanFunction read_lines() throws IOException, LuanException { |
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217 return lines(new BufferedReader(reader())); |
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218 } |
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219 |
722 | 220 public LuanFunction read_blocks(Integer blockSize) throws IOException, LuanException { |
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221 int n = blockSize!=null ? blockSize : Utils.bufSize; |
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222 return blocks(inputStream(),n); |
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223 } |
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224 |
722 | 225 public boolean exists() throws IOException, LuanException { |
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226 try { |
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227 inputStream().close(); |
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228 return true; |
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229 } catch(FileNotFoundException e) { |
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230 return false; |
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231 } |
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232 } |
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233 |
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234 public long checksum() throws IOException, LuanException { |
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235 long cs = 0; |
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236 InputStream in = new BufferedInputStream(inputStream()); |
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237 int c; |
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238 while( (c=in.read()) != -1 ) { |
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239 cs = 31 * cs + c; |
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240 } |
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241 in.close(); |
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242 return cs; |
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243 } |
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244 |
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245 public LuanTable table() { |
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246 LuanTable tbl = new LuanTable(); |
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247 try { |
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248 tbl.rawPut( "java", this ); |
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249 tbl.rawPut( "to_string", new LuanJavaFunction( |
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250 LuanIn.class.getMethod( "to_string" ), this |
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251 ) ); |
705 | 252 tbl.rawPut( "to_uri_string", new LuanJavaFunction( |
253 LuanIn.class.getMethod( "to_uri_string" ), this | |
254 ) ); | |
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255 tbl.rawPut( "read_text", new LuanJavaFunction( |
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256 LuanIn.class.getMethod( "read_text" ), this |
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257 ) ); |
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258 tbl.rawPut( "read_binary", new LuanJavaFunction( |
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259 LuanIn.class.getMethod( "read_binary" ), this |
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260 ) ); |
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261 tbl.rawPut( "read_lines", new LuanJavaFunction( |
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262 LuanIn.class.getMethod( "read_lines" ), this |
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263 ) ); |
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264 tbl.rawPut( "read_blocks", new LuanJavaFunction( |
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265 LuanIn.class.getMethod( "read_blocks", Integer.class ), this |
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266 ) ); |
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267 tbl.rawPut( "exists", new LuanJavaFunction( |
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268 LuanIn.class.getMethod( "exists" ), this |
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269 ) ); |
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270 tbl.rawPut( "checksum", new LuanJavaFunction( |
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271 LuanIn.class.getMethod( "checksum" ), this |
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272 ) ); |
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273 } catch(NoSuchMethodException e) { |
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274 throw new RuntimeException(e); |
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275 } |
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276 return tbl; |
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277 } |
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278 } |
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279 |
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280 public static final LuanIn defaultStdin = new LuanIn() { |
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281 |
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282 @Override public InputStream inputStream() { |
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283 return System.in; |
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284 } |
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285 |
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286 @Override public String to_string() { |
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287 return "<stdin>"; |
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288 } |
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289 |
705 | 290 @Override public String to_uri_string() { |
291 return "stdin:"; | |
292 } | |
293 | |
261
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294 @Override public String read_text() throws IOException { |
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295 return Utils.readAll(new InputStreamReader(System.in)); |
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296 } |
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297 |
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298 @Override public byte[] read_binary() throws IOException { |
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299 return Utils.readAll(System.in); |
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300 } |
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301 |
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302 @Override public boolean exists() { |
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303 return true; |
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304 } |
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305 }; |
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306 |
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307 public static abstract class LuanIO extends LuanIn { |
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308 abstract OutputStream outputStream() throws IOException; |
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309 |
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310 public void write(Object obj) throws LuanException, IOException { |
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311 if( obj instanceof String ) { |
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312 String s = (String)obj; |
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313 Writer out = new OutputStreamWriter(outputStream()); |
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314 out.write(s); |
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315 out.close(); |
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316 return; |
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317 } |
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318 if( obj instanceof byte[] ) { |
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319 byte[] a = (byte[])obj; |
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320 OutputStream out = outputStream(); |
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321 Utils.copyAll(new ByteArrayInputStream(a),out); |
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322 out.close(); |
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323 return; |
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324 } |
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325 if( obj instanceof LuanTable ) { |
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326 LuanTable t = (LuanTable)obj; |
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327 Object java = t.rawGet("java"); |
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328 if( java instanceof LuanIn ) { |
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329 LuanIn luanIn = (LuanIn)java; |
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330 InputStream in = luanIn.inputStream(); |
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331 OutputStream out = outputStream(); |
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332 Utils.copyAll(in,out); |
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333 out.close(); |
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334 in.close(); |
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335 return; |
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336 } |
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337 } |
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338 throw new LuanException( "bad argument #1 to 'write' (string or binary or Io.uri expected)" ); |
125
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339 } |
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340 |
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341 public LuanTable text_writer() throws IOException { |
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342 return textWriter(new BufferedWriter(new OutputStreamWriter(outputStream()))); |
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343 } |
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344 |
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345 public LuanTable binary_writer() throws IOException { |
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346 return binaryWriter(new BufferedOutputStream(outputStream())); |
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347 } |
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348 |
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349 public void write_text(LuanState luan,Object... args) throws LuanException, IOException { |
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350 LuanWriter luanWriter = luanWriter(new BufferedWriter(new OutputStreamWriter(outputStream()))); |
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351 luanWriter.write(luan,args); |
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352 luanWriter.close(); |
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353 } |
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354 |
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355 @Override public LuanTable table() { |
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356 LuanTable tbl = super.table(); |
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357 try { |
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358 tbl.rawPut( "write", new LuanJavaFunction( |
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359 LuanIO.class.getMethod( "write", Object.class ), this |
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360 ) ); |
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361 tbl.rawPut( "text_writer", new LuanJavaFunction( |
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362 LuanIO.class.getMethod( "text_writer" ), this |
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363 ) ); |
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364 tbl.rawPut( "binary_writer", new LuanJavaFunction( |
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365 LuanIO.class.getMethod( "binary_writer" ), this |
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366 ) ); |
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367 tbl.rawPut( "write_text", new LuanJavaFunction( |
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368 LuanIO.class.getMethod( "write_text", LuanState.class, new Object[0].getClass() ), this |
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369 ) ); |
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370 } catch(NoSuchMethodException e) { |
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371 throw new RuntimeException(e); |
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372 } |
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373 return tbl; |
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374 } |
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375 } |
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376 |
590 | 377 private static final LuanIO nullIO = new LuanIO() { |
378 private final InputStream in = new InputStream() { | |
379 @Override public int read() { | |
380 return -1; | |
381 } | |
382 }; | |
383 private final OutputStream out = new OutputStream() { | |
384 @Override public void write(int b) {} | |
385 }; | |
386 | |
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387 @Override public InputStream inputStream() { |
590 | 388 return in; |
389 } | |
390 | |
391 @Override OutputStream outputStream() { | |
392 return out; | |
393 } | |
394 | |
395 @Override public String to_string() { | |
396 return "<null>"; | |
397 } | |
398 | |
705 | 399 @Override public String to_uri_string() { |
400 return "null:"; | |
401 } | |
402 | |
590 | 403 }; |
404 | |
421
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405 public static final class LuanString extends LuanIO { |
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406 private String s; |
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407 |
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408 private LuanString(String s) { |
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409 this.s = s; |
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410 } |
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411 |
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412 @Override public InputStream inputStream() { |
421
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413 throw new UnsupportedOperationException(); |
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414 } |
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415 |
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416 @Override OutputStream outputStream() { |
314
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417 throw new UnsupportedOperationException(); |
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418 } |
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419 |
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420 @Override public String to_string() { |
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421 return "<string>"; |
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422 } |
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423 |
705 | 424 @Override public String to_uri_string() { |
425 return "string:" + s; | |
426 } | |
427 | |
314
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428 @Override public Reader reader() { |
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429 return new StringReader(s); |
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430 } |
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431 |
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432 @Override public String read_text() { |
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433 return s; |
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434 } |
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435 |
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436 @Override public boolean exists() { |
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437 return true; |
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438 } |
421
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439 |
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440 @Override public LuanTable text_writer() throws IOException { |
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441 LuanWriter luanWriter = new LuanWriter() { |
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442 private final Writer out = new StringWriter(); |
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443 |
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444 public void write(LuanState luan,Object... args) throws LuanException, IOException { |
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445 for( Object obj : args ) { |
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446 out.write( luan.toString(obj) ); |
421
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447 } |
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448 } |
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449 |
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450 public void close() throws IOException { |
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451 s = out.toString(); |
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452 } |
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453 }; |
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454 return writer(luanWriter); |
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455 } |
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456 } |
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457 |
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458 public static final class LuanFile extends LuanIO { |
710
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459 public final File file; |
125
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460 |
203
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461 private LuanFile(LuanState luan,File file) throws LuanException { |
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462 this(file); |
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463 check(luan,"file:"+file.toString()); |
145
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464 } |
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465 |
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466 private LuanFile(File file) { |
145
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467 this.file = file; |
125
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468 } |
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469 |
725
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470 @Override public InputStream inputStream() throws IOException { |
125
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471 return new FileInputStream(file); |
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472 } |
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473 |
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474 @Override OutputStream outputStream() throws IOException { |
125
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475 return new FileOutputStream(file); |
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476 } |
143
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477 |
147
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fix Io.reverse_pickle
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478 @Override public String to_string() { |
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479 return file.toString(); |
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480 } |
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481 |
705 | 482 @Override public String to_uri_string() { |
483 return "file:" + file.toString(); | |
484 } | |
485 | |
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486 public LuanTable child(LuanState luan,String name) throws LuanException { |
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487 return new LuanFile(luan,new File(file,name)).table(); |
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488 } |
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489 |
203
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490 public LuanTable children(LuanState luan) throws LuanException { |
164
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491 File[] files = file.listFiles(); |
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492 if( files==null ) |
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493 return null; |
411
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remove Luan.newTable()
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494 LuanTable list = new LuanTable(); |
164
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495 for( File f : files ) { |
432
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finish fixing LuanTable to use metatables
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496 list.rawPut(list.rawLength()+1,new LuanFile(luan,f).table()); |
164
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497 } |
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498 return list; |
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499 } |
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500 |
323
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improve testing
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501 public LuanTable parent(LuanState luan) throws LuanException, IOException { |
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502 File parent = file.getParentFile(); |
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503 if( parent==null ) |
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504 parent = file.getCanonicalFile().getParentFile(); |
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505 return new LuanFile(luan,parent).table(); |
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506 } |
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changeset
|
507 |
265
454a486d9c19
allow IO on files that don't exist
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diff
changeset
|
508 @Override public boolean exists() { |
237
97d175772fed
implement mmake
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509 return file.exists(); |
145
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510 } |
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|
511 |
758
c29d11d675fd
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|
512 public void rename_to(Object destObj) throws LuanException { |
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added Json.toString() and rpc now sends tables as json
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|
513 File dest = objToFile(destObj); |
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changeset
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514 if( dest==null ) |
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changeset
|
515 throw new LuanException( "bad argument #1 to 'objToFile' (string or file table expected)" ); |
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|
516 if( !file.renameTo(dest) ) |
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|
517 throw new LuanException("couldn't rename file "+file+" to "+dest); |
293
a50e88d3547c
add Web_server.init();
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diff
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518 } |
a50e88d3547c
add Web_server.init();
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519 |
310
9e9bb358b2df
add File.canonical()
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520 public LuanTable canonical(LuanState luan) throws LuanException, IOException { |
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521 return new LuanFile(luan,file.getCanonicalFile()).table(); |
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522 } |
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523 |
749
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524 public LuanTable create_temp_file(LuanState luan,String prefix,String suffix) throws LuanException, IOException { |
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525 File tmp = File.createTempFile(prefix,suffix,file); |
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526 return new LuanFile(luan,tmp).table(); |
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527 } |
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diff
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|
528 |
751
558740169005
improve file delete()
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529 public void delete() throws LuanException { |
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530 if( file.exists() ) |
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|
531 delete(file); |
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|
532 } |
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|
533 |
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|
534 private static void delete(File file) throws LuanException { |
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535 File[] children = file.listFiles(); |
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536 if( children != null ) { |
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537 for( File child : children ) { |
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538 delete(child); |
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539 } |
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|
540 } |
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541 if( !file.delete() ) |
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|
542 throw new LuanException("couldn't delete file "+file); |
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543 } |
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|
544 |
752 | 545 public void mkdir() throws LuanException { |
546 if( !file.isDirectory() ) { | |
547 if( !file.mkdirs() ) | |
548 throw new LuanException("couldn't make directory "+file); | |
549 } | |
550 } | |
551 | |
768
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552 public void set_last_modified(long time) throws LuanException { |
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553 if( !file.setLastModified(time) ) |
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|
554 throw new LuanException("couldn't set_last_modified on "+file); |
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555 } |
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556 |
297
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remove PackageLuan.load_lib()
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557 @Override public LuanTable table() { |
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558 LuanTable tbl = super.table(); |
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changeset
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559 try { |
427
dae264ad6a7b
fix LuanTable.put() to use metatables
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diff
changeset
|
560 tbl.rawPut( "name", new LuanJavaFunction( |
164
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561 File.class.getMethod( "getName" ), file |
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562 ) ); |
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563 tbl.rawPut( "is_directory", new LuanJavaFunction( |
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564 File.class.getMethod( "isDirectory" ), file |
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565 ) ); |
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566 tbl.rawPut( "is_file", new LuanJavaFunction( |
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567 File.class.getMethod( "isFile" ), file |
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568 ) ); |
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569 tbl.rawPut( "delete", new LuanJavaFunction( |
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570 LuanFile.class.getMethod( "delete" ), this |
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571 ) ); |
764
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572 tbl.rawPut( "delete_on_exit", new LuanJavaFunction( |
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573 File.class.getMethod( "deleteOnExit" ), file |
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574 ) ); |
427
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575 tbl.rawPut( "mkdir", new LuanJavaFunction( |
752 | 576 LuanFile.class.getMethod( "mkdir" ), this |
164
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577 ) ); |
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578 tbl.rawPut( "last_modified", new LuanJavaFunction( |
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579 File.class.getMethod( "lastModified" ), file |
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580 ) ); |
768
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581 tbl.rawPut( "set_last_modified", new LuanJavaFunction( |
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582 LuanFile.class.getMethod( "set_last_modified", Long.TYPE ), this |
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583 ) ); |
759
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584 tbl.rawPut( "length", new LuanJavaFunction( |
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585 File.class.getMethod( "length" ), file |
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586 ) ); |
427
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587 tbl.rawPut( "child", new LuanJavaFunction( |
203
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588 LuanFile.class.getMethod( "child", LuanState.class, String.class ), this |
164
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589 ) ); |
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590 tbl.rawPut( "children", new LuanJavaFunction( |
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591 LuanFile.class.getMethod( "children", LuanState.class ), this |
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592 ) ); |
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593 tbl.rawPut( "parent", new LuanJavaFunction( |
323
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594 LuanFile.class.getMethod( "parent", LuanState.class ), this |
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595 ) ); |
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596 tbl.rawPut( "rename_to", new LuanJavaFunction( |
758
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597 LuanFile.class.getMethod( "rename_to", Object.class ), this |
293
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598 ) ); |
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599 tbl.rawPut( "canonical", new LuanJavaFunction( |
310
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600 LuanFile.class.getMethod( "canonical", LuanState.class ), this |
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601 ) ); |
749
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602 tbl.rawPut( "create_temp_file", new LuanJavaFunction( |
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603 LuanFile.class.getMethod( "create_temp_file", LuanState.class, String.class, String.class ), this |
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604 ) ); |
145
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605 } catch(NoSuchMethodException e) { |
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606 throw new RuntimeException(e); |
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607 } |
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608 return tbl; |
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609 } |
125
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add sockets
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610 } |
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611 |
1121
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check for too many arguments to java fns
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612 public static LuanTable null_(String ignore) { |
590 | 613 return nullIO.table(); |
614 } | |
615 | |
646
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616 public static LuanTable string(String s) throws LuanException { |
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617 Utils.checkNotNull(s); |
314
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618 return new LuanString(s).table(); |
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619 } |
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620 |
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621 public static LuanTable file(LuanState luan,String name) throws LuanException { |
260
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622 File file = new File(name); |
1127 | 623 return new LuanFile(luan,file).table(); |
143
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624 } |
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625 |
693
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626 public static LuanTable classpath(LuanState luan,String name) throws LuanException { |
264
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627 if( name.contains("//") ) |
260
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628 return null; |
264
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629 String path = name; |
301
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630 check(luan,"classpath:"+path); |
260
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631 URL url; |
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632 if( !path.contains("#") ) { |
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633 url = ClassLoader.getSystemResource(path); |
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634 } else { |
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635 String[] a = path.split("#"); |
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636 url = ClassLoader.getSystemResource(a[0]); |
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637 if( url==null ) { |
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638 for( int i=1; i<a.length; i++ ) { |
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639 url = ClassLoader.getSystemResource(a[0]+"/"+a[i]); |
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640 if( url != null ) { |
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641 try { |
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642 url = new URL(url,"."); |
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643 } catch(MalformedURLException e) { |
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644 throw new RuntimeException(e); |
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645 } |
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646 break; |
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647 } |
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648 } |
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649 } |
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650 } |
264
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651 if( url != null ) |
722 | 652 return new LuanUrl(luan,url,null).table(); |
264
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653 |
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654 return null; |
260
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655 } |
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656 |
722 | 657 private static LuanTable url(LuanState luan,String url,LuanTable options) throws IOException, LuanException { |
658 return new LuanUrl(luan,new URL(url),options).table(); | |
263
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659 } |
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660 |
722 | 661 public static LuanTable http(LuanState luan,String path,LuanTable options) throws IOException, LuanException { |
662 return url(luan,"http:"+path,options); | |
263
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663 } |
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664 |
722 | 665 public static LuanTable https(LuanState luan,String path,LuanTable options) throws IOException, LuanException { |
666 return url(luan,"https:"+path,options); | |
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667 } |
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668 |
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669 public static LuanTable luan(LuanState luan,String path) throws LuanException { |
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670 return classpath( luan, "luan/modules/" + path ); |
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671 } |
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672 |
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673 public static LuanTable stdin(LuanState luan) throws LuanException { |
693
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674 LuanTable io = (LuanTable)PackageLuan.require(luan,"luan:Io.luan"); |
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675 return (LuanTable)io.get(luan,"stdin"); |
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676 } |
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677 |
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678 public static LuanTable newSchemes() { |
411
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679 LuanTable schemes = new LuanTable(); |
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680 try { |
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681 schemes.rawPut( "null", new LuanJavaFunction(IoLuan.class.getMethod("null_",String.class),null) ); |
646
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682 add( schemes, "string", String.class ); |
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683 add( schemes, "file", LuanState.class, String.class ); |
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684 add( schemes, "classpath", LuanState.class, String.class ); |
646
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685 add( schemes, "socket", String.class ); |
722 | 686 add( schemes, "http", LuanState.class, String.class, LuanTable.class ); |
687 add( schemes, "https", LuanState.class, String.class, LuanTable.class ); | |
693
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688 add( schemes, "luan", LuanState.class, String.class ); |
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689 add( schemes, "stdin", LuanState.class ); |
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690 add( schemes, "os", LuanState.class, String.class, LuanTable.class ); |
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691 add( schemes, "bash", LuanState.class, String.class, LuanTable.class ); |
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692 } catch(NoSuchMethodException e) { |
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693 throw new RuntimeException(e); |
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694 } |
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695 return schemes; |
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696 } |
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697 |
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698 private static LuanTable schemes(LuanState luan) throws LuanException { |
693
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699 LuanTable t = (LuanTable)PackageLuan.loaded(luan).rawGet("luan:Io.luan"); |
260
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700 if( t == null ) |
272
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701 return newSchemes(); |
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702 t = (LuanTable)t.get(luan,"schemes"); |
260
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703 if( t == null ) |
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704 return newSchemes(); |
260
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705 return t; |
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706 } |
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707 |
722 | 708 public static LuanTable uri(LuanState luan,String name,LuanTable options) throws LuanException { |
260
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709 int i = name.indexOf(':'); |
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710 if( i == -1 ) |
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711 throw new LuanException( "invalid Io.uri name '"+name+"', missing scheme" ); |
272
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712 String scheme = name.substring(0,i); |
260
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713 String location = name.substring(i+1); |
272
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714 LuanTable schemes = schemes(luan); |
575
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715 LuanFunction opener = (LuanFunction)schemes.get(luan,scheme); |
260
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716 if( opener == null ) |
646
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717 throw new LuanException( "invalid scheme '"+scheme+"' in '"+name+"'" ); |
799
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718 return (LuanTable)Luan.first(opener.call(luan,new Object[]{location,options})); |
125
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719 } |
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720 |
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721 public static final class LuanSocket extends LuanIO { |
744 | 722 public final Socket socket; |
125
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723 |
743
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724 private LuanSocket(String host,int port) throws LuanException { |
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725 try { |
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726 this.socket = new Socket(host,port); |
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727 } catch(IOException e) { |
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728 throw new LuanException(e.toString()); |
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729 } |
125
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730 } |
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731 |
743
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732 private LuanSocket(Socket socket) { |
125
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733 this.socket = socket; |
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734 } |
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735 |
725
a741a3a33423
add url support for multipart/form-data
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736 @Override public InputStream inputStream() throws IOException { |
125
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737 return socket.getInputStream(); |
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738 } |
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739 |
144
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740 @Override OutputStream outputStream() throws IOException { |
125
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741 return socket.getOutputStream(); |
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742 } |
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743 |
147
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744 @Override public String to_string() { |
143
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745 return socket.toString(); |
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746 } |
705 | 747 |
748 @Override public String to_uri_string() { | |
749 throw new UnsupportedOperationException(); | |
750 } | |
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751 } |
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752 |
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753 public static LuanTable socket(String name) throws LuanException, IOException { |
262
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754 int i = name.indexOf(':'); |
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755 if( i == -1 ) |
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756 throw new LuanException( "invalid socket '"+name+"', format is: <host>:<port>" ); |
262
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757 String host = name.substring(0,i); |
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758 String portStr = name.substring(i+1); |
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759 int port = Integer.parseInt(portStr); |
125
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760 return new LuanSocket(host,port).table(); |
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761 } |
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762 |
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763 public static LuanFunction socket_server(int port) throws IOException { |
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764 final ServerSocket ss = new ServerSocket(port); |
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765 return new LuanFunction() { |
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766 @Override public Object call(LuanState luan,Object[] args) throws LuanException { |
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767 try { |
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768 if( args.length > 0 ) { |
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769 if( args.length > 1 || !"close".equals(args[0]) ) |
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770 throw new LuanException( "the only argument allowed is 'close'" ); |
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771 ss.close(); |
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772 return null; |
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773 } |
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774 return new LuanSocket(ss.accept()).table(); |
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775 } catch(IOException e) { |
646
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776 throw new LuanException(e); |
125
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777 } |
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778 } |
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779 }; |
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780 } |
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781 |
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782 |
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783 public static class BaseOs extends LuanIO { |
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784 private final String cmd; |
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785 final File dir; |
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786 Process proc; |
734 | 787 |
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788 private BaseOs(LuanState luan,String cmd,LuanTable options) throws IOException, LuanException { |
761
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789 this.cmd = cmd; |
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790 File dir = null; |
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791 if( options != null ) { |
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792 Map map = options.asMap(luan); |
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793 Object obj = map.remove("dir"); |
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794 dir = objToFile(obj); |
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795 if( dir==null ) |
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796 throw new LuanException( "bad option 'dir' (string or file table expected)" ); |
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797 if( !map.isEmpty() ) |
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798 throw new LuanException( "unrecognized options: "+map ); |
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799 } |
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800 this.dir = dir; |
734 | 801 } |
802 | |
803 @Override public InputStream inputStream() throws IOException { | |
804 return proc.getInputStream(); | |
805 } | |
806 | |
807 @Override OutputStream outputStream() throws IOException { | |
808 return proc.getOutputStream(); | |
809 } | |
810 | |
811 @Override public String to_string() { | |
812 return proc.toString(); | |
813 } | |
814 | |
815 @Override public String to_uri_string() { | |
816 throw new UnsupportedOperationException(); | |
817 } | |
818 | |
819 @Override public boolean exists() { | |
820 return true; | |
821 } | |
822 | |
823 public void wait_for() | |
824 throws IOException, LuanException | |
825 { | |
826 try { | |
827 proc.waitFor(); | |
828 } catch(InterruptedException e) { | |
829 throw new RuntimeException(e); | |
830 } | |
831 int exitVal = proc.exitValue(); | |
832 if( exitVal != 0 ) { | |
833 Reader err = new InputStreamReader(proc.getErrorStream()); | |
1107 | 834 String error = "exit value "+exitVal+" in: "+cmd+"\n"+Utils.readAll(err); |
734 | 835 err.close(); |
836 throw new LuanException(error); | |
837 } | |
838 } | |
839 | |
840 @Override public String read_text() throws IOException, LuanException { | |
841 String s = super.read_text(); | |
842 wait_for(); | |
843 return s; | |
844 } | |
845 | |
846 @Override public LuanTable table() { | |
847 LuanTable tbl = super.table(); | |
848 try { | |
849 tbl.rawPut( "wait_for", new LuanJavaFunction( | |
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850 BaseOs.class.getMethod( "wait_for" ), this |
734 | 851 ) ); |
852 } catch(NoSuchMethodException e) { | |
853 throw new RuntimeException(e); | |
854 } | |
855 return tbl; | |
856 } | |
857 } | |
858 | |
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859 public static final class LuanOs extends BaseOs { |
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860 private LuanOs(LuanState luan,String cmd,LuanTable options) throws IOException, LuanException { |
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861 super(luan,cmd,options); |
1128 | 862 check(luan,"os:"+cmd); |
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863 this.proc = Runtime.getRuntime().exec(cmd,null,dir); |
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864 } |
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865 } |
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866 |
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867 public static LuanTable os(LuanState luan,String cmd,LuanTable options) throws IOException, LuanException { |
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868 return new LuanOs(luan,cmd,options).table(); |
734 | 869 } |
870 | |
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871 public static final class LuanBash extends BaseOs { |
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872 private LuanBash(LuanState luan,String cmd,LuanTable options) throws IOException, LuanException { |
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873 super(luan,cmd,options); |
1128 | 874 check(luan,"bash:"+cmd); |
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875 this.proc = Runtime.getRuntime().exec(new String[]{"bash","-c",cmd},null,dir); |
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876 } |
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877 } |
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878 |
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879 public static LuanTable bash(LuanState luan,String cmd,LuanTable options) throws IOException, LuanException { |
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880 return new LuanBash(luan,cmd,options).table(); |
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881 } |
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882 |
734 | 883 |
1120
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884 |
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885 public static class LuanInput extends LuanIn { |
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886 private final InputStream in; |
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887 |
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888 public LuanInput(InputStream in) { |
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889 this.in = in; |
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890 } |
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891 |
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892 @Override public InputStream inputStream() { |
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893 return in; |
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894 } |
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895 |
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896 @Override public String to_string() { |
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897 return "<input_stream>"; |
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898 } |
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899 |
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900 @Override public String to_uri_string() { |
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901 throw new UnsupportedOperationException(); |
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902 } |
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903 |
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904 @Override public boolean exists() { |
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905 return true; |
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906 } |
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907 }; |
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908 |
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909 |
701 | 910 public static String ip(String domain) { |
911 try { | |
912 return InetAddress.getByName(domain).getHostAddress(); | |
913 } catch(UnknownHostException e) { | |
914 return null; | |
915 } | |
916 } | |
765 | 917 |
735 | 918 public static LuanTable my_ips() throws IOException { |
919 LuanTable tbl = new LuanTable(); | |
920 for( Enumeration<NetworkInterface> e1 = NetworkInterface.getNetworkInterfaces(); e1.hasMoreElements(); ) { | |
921 NetworkInterface ni = e1.nextElement(); | |
922 for( Enumeration<InetAddress> e2 = ni.getInetAddresses(); e2.hasMoreElements(); ) { | |
923 InetAddress ia = e2.nextElement(); | |
924 if( ia instanceof Inet4Address ) | |
925 tbl.rawPut(ia.getHostAddress(),true); | |
926 } | |
927 } | |
928 return tbl; | |
929 } | |
765 | 930 |
746 | 931 /* |
706 | 932 // files maps zip name to uri |
933 public static void zip(LuanState luan,String zipUri,LuanTable files) throws LuanException, IOException { | |
722 | 934 Object obj = uri(luan,zipUri,null).rawGet("java"); |
706 | 935 if( !(obj instanceof LuanIO) ) |
936 throw new LuanException("invalid uri for zip"); | |
937 LuanIO zipIo = (LuanIO)obj; | |
938 ZipOutputStream out = new ZipOutputStream(zipIo.outputStream()); | |
939 for( Map.Entry<Object,Object> entry : files.iterable(luan) ) { | |
940 obj = entry.getKey(); | |
941 if( !(obj instanceof String) ) | |
942 throw new LuanException("zip file table keys must be strings"); | |
943 String fileName = (String)obj; | |
944 obj = entry.getValue(); | |
945 if( !(obj instanceof String) ) | |
946 throw new LuanException("zip file table values must be strings"); | |
947 String uriStr = (String)obj; | |
948 out.putNextEntry(new ZipEntry(fileName)); | |
722 | 949 obj = uri(luan,uriStr,null).rawGet("java"); |
706 | 950 if( !(obj instanceof LuanIn) ) |
951 throw new LuanException("invalid uri for zip"); | |
952 LuanIn zipIn = (LuanIn)obj; | |
953 InputStream in = zipIn.inputStream(); | |
954 Utils.copyAll(in,out); | |
955 in.close(); | |
956 out.closeEntry(); | |
957 } | |
958 out.close(); | |
959 } | |
746 | 960 */ |
706 | 961 |
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962 // security |
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963 |
1134 | 964 public static void unrestricted(LuanState luan) throws LuanException { |
965 JavaLuan.check(luan); | |
966 luan.javaOk.unrestrictedIo = true; | |
967 } | |
968 | |
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969 public interface Security { |
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970 public void check(LuanState luan,String name) throws LuanException; |
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971 } |
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972 |
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973 private static String SECURITY_KEY = "Io.Security"; |
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974 |
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975 private static void check(LuanState luan,String name) throws LuanException { |
1134 | 976 if( luan.javaOk.unrestrictedIo ) |
1133 | 977 return; |
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978 Security s = (Security)luan.registry().get(SECURITY_KEY); |
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979 if( s!=null ) |
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980 s.check(luan,name); |
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981 } |
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982 |
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983 public static void setSecurity(LuanState luan,Security s) { |
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984 luan.registry().put(SECURITY_KEY,s); |
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985 } |
99eef1d0e706
IO security
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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986 |
168
ebe9db183eb7
rename *Lib.java to *Luan.java
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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987 private void IoLuan() {} // never |
115
eacf6ce1b47d
add IoLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff
changeset
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988 } |