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annotate core/src/luan/modules/IoLuan.java @ 297:899253043270

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remove PackageLuan.load_lib() git-svn-id: https://luan-java.googlecode.com/svn/trunk@298 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Tue, 16 Dec 2014 03:26:43 +0000
parents 7ea6dfdf81ba
children a74559240b4f
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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.BufferedReader;
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9 import java.io.BufferedWriter;
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10 import java.io.BufferedInputStream;
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11 import java.io.BufferedOutputStream;
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12 import java.io.File;
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13 import java.io.FileInputStream;
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14 import java.io.FileOutputStream;
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15 import java.io.InputStreamReader;
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16 import java.io.OutputStreamWriter;
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17 import java.io.ByteArrayInputStream;
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18 import java.io.DataInputStream;
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19 import java.io.DataOutputStream;
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20 import java.io.IOException;
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454a486d9c19 allow IO on files that don't exist
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21 import java.io.FileNotFoundException;
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22 import java.net.URL;
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23 import java.net.Socket;
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24 import java.net.ServerSocket;
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25 import java.net.MalformedURLException;
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26 import java.util.List;
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27 import java.util.ArrayList;
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28 import luan.Luan;
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29 import luan.LuanState;
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30 import luan.LuanTable;
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31 import luan.LuanFunction;
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32 import luan.LuanJavaFunction;
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33 import luan.LuanException;
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34
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35
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36 public final class IoLuan {
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38 private static void add(LuanTable t,String method,Class<?>... parameterTypes) throws NoSuchMethodException {
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39 t.put( method, new LuanJavaFunction(IoLuan.class.getMethod(method,parameterTypes),null) );
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40 }
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41
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42 public static String read_console_line(String prompt) throws IOException {
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43 if( prompt==null )
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44 prompt = "> ";
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45 return System.console().readLine(prompt);
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46 }
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47
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49 public interface LuanWriter {
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50 public void write(LuanState luan,Object... args) throws LuanException, IOException;
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51 public void close() throws IOException;
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52 }
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53
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54 public static LuanTable textWriter(final PrintStream out) {
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55 LuanWriter luanWriter = new LuanWriter() {
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56
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57 public void write(LuanState luan,Object... args) throws LuanException {
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58 for( Object obj : args ) {
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59 out.print( luan.toString(obj) );
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60 }
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61 }
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63 public void close() {
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64 out.close();
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65 }
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66 };
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67 return writer(luanWriter);
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68 }
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69
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70 public static LuanTable textWriter(final Writer out) {
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71 LuanWriter luanWriter = new LuanWriter() {
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73 public void write(LuanState luan,Object... args) throws LuanException, IOException {
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74 for( Object obj : args ) {
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75 out.write( luan.toString(obj) );
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76 }
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77 }
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79 public void close() throws IOException {
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80 out.close();
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81 }
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82 };
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83 return writer(luanWriter);
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84 }
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85
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86 private static LuanTable writer(LuanWriter luanWriter) {
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87 LuanTable writer = Luan.newTable();
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88 try {
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89 writer.put( "write", new LuanJavaFunction(
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90 LuanWriter.class.getMethod( "write", LuanState.class, new Object[0].getClass() ), luanWriter
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91 ) );
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92 writer.put( "close", new LuanJavaFunction(
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93 LuanWriter.class.getMethod( "close" ), luanWriter
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94 ) );
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95 } catch(NoSuchMethodException e) {
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96 throw new RuntimeException(e);
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97 }
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98 return writer;
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99 }
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101
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102 public static LuanTable binaryWriter(final OutputStream out) {
221
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103 LuanTable writer = Luan.newTable();
115
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104 try {
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105 writer.put( "write", new LuanJavaFunction(
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106 OutputStream.class.getMethod( "write", new byte[0].getClass() ), out
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107 ) );
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108 writer.put( "close", new LuanJavaFunction(
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109 OutputStream.class.getMethod( "close" ), out
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110 ) );
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111 } catch(NoSuchMethodException e) {
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112 throw new RuntimeException(e);
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113 }
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114 return writer;
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115 }
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116
116
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117 static LuanFunction lines(final BufferedReader in) {
115
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118 return new LuanFunction() {
116
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119 @Override public Object call(LuanState luan,Object[] args) throws LuanException {
115
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120 try {
116
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121 if( args.length > 0 ) {
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122 if( args.length > 1 || !"close".equals(args[0]) )
130
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123 throw luan.exception( "the only argument allowed is 'close'" );
115
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124 in.close();
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125 return null;
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126 }
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127 String rtn = in.readLine();
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128 if( rtn==null )
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129 in.close();
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130 return rtn;
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131 } catch(IOException e) {
130
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132 throw luan.exception(e);
115
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133 }
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134 }
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135 };
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136 }
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137
116
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138 static LuanFunction blocks(final InputStream in,final int blockSize) {
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139 return new LuanFunction() {
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140 final byte[] a = new byte[blockSize];
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141
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142 @Override public Object call(LuanState luan,Object[] args) throws LuanException {
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143 try {
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144 if( args.length > 0 ) {
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145 if( args.length > 1 || !"close".equals(args[0]) )
130
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146 throw luan.exception( "the only argument allowed is 'close'" );
116
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147 in.close();
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148 return null;
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149 }
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150 if( in.read(a) == -1 ) {
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151 in.close();
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152 return null;
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153 }
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154 return a;
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155 } catch(IOException e) {
130
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156 throw luan.exception(e);
116
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157 }
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158 }
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159 };
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160 }
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161
125
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162
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163
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164 public static abstract class LuanIn {
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165 abstract InputStream inputStream() throws IOException;
147
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166 public abstract String to_string();
125
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167
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168 public String read_text() throws IOException {
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169 Reader in = new InputStreamReader(inputStream());
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170 String s = Utils.readAll(in);
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171 in.close();
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172 return s;
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173 }
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174
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175 public byte[] read_binary() throws IOException {
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176 InputStream in = inputStream();
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177 byte[] a = Utils.readAll(in);
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178 in.close();
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179 return a;
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180 }
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181
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182 public LuanFunction read_lines() throws IOException {
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183 return lines(new BufferedReader(new InputStreamReader(inputStream())));
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184 }
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185
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186 public LuanFunction read_blocks(Integer blockSize) throws IOException {
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187 int n = blockSize!=null ? blockSize : Utils.bufSize;
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188 return blocks(inputStream(),n);
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189 }
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190
296
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191 public LuanFunction loader(LuanState luan,String name,LuanTable env) throws LuanException {
264
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192 try {
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193 String src = read_text();
296
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194 return BasicLuan.load(luan,src,name,env,false);
265
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195 } catch(FileNotFoundException e) {
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196 return null;
264
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197 } catch(IOException e) {
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198 throw luan.exception(e);
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199 }
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200 }
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201
265
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202 public boolean exists() throws IOException {
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203 try {
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204 inputStream().close();
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205 return true;
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206 } catch(FileNotFoundException e) {
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207 return false;
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208 }
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209 }
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210
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211 public LuanTable table() {
221
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212 LuanTable tbl = Luan.newTable();
125
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213 try {
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214 tbl.put( "to_string", new LuanJavaFunction(
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215 LuanIn.class.getMethod( "to_string" ), this
143
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216 ) );
125
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217 tbl.put( "read_text", new LuanJavaFunction(
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218 LuanIn.class.getMethod( "read_text" ), this
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219 ) );
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220 tbl.put( "read_binary", new LuanJavaFunction(
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221 LuanIn.class.getMethod( "read_binary" ), this
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222 ) );
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223 tbl.put( "read_lines", new LuanJavaFunction(
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224 LuanIn.class.getMethod( "read_lines" ), this
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225 ) );
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226 tbl.put( "read_blocks", new LuanJavaFunction(
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227 LuanIn.class.getMethod( "read_blocks", Integer.class ), this
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228 ) );
264
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229 tbl.put( "loader", new LuanJavaFunction(
296
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230 LuanIn.class.getMethod( "loader", LuanState.class, String.class, LuanTable.class ), this
264
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231 ) );
265
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232 tbl.put( "exists", new LuanJavaFunction(
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233 LuanIn.class.getMethod( "exists" ), this
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234 ) );
125
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235 } catch(NoSuchMethodException e) {
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236 throw new RuntimeException(e);
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237 }
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238 return tbl;
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239 }
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240 }
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241
297
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242 public static final LuanIn defaultStdin = new LuanIn() {
261
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243
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244 @Override InputStream inputStream() {
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245 return System.in;
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246 }
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247
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248 @Override public String to_string() {
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249 return "<stdin>";
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250 }
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251
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252 @Override public String read_text() throws IOException {
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253 return Utils.readAll(new InputStreamReader(System.in));
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254 }
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255
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256 @Override public byte[] read_binary() throws IOException {
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257 return Utils.readAll(System.in);
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258 }
265
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259
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260 @Override public boolean exists() {
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261 return true;
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262 }
261
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263 };
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264
125
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265 public static abstract class LuanIO extends LuanIn {
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266 abstract OutputStream outputStream() throws IOException;
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267
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268 public void write(LuanState luan,Object obj) throws LuanException, IOException {
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269 if( obj instanceof String ) {
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270 String s = (String)obj;
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271 Writer out = new OutputStreamWriter(outputStream());
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272 out.write(s);
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273 out.close();
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274 return;
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275 }
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276 if( obj instanceof byte[] ) {
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277 byte[] a = (byte[])obj;
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278 OutputStream out = outputStream();
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279 Utils.copyAll(new ByteArrayInputStream(a),out);
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280 out.close();
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281 return;
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282 }
130
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283 throw luan.exception( "bad argument #1 to 'write' (string or binary expected)" );
125
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284 }
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285
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286 public LuanTable text_writer() throws IOException {
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287 return textWriter(new BufferedWriter(new OutputStreamWriter(outputStream())));
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288 }
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289
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290 public LuanTable binary_writer() throws IOException {
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291 return binaryWriter(new BufferedOutputStream(outputStream()));
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292 }
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293
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294 @Override public LuanTable table() {
125
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295 LuanTable tbl = super.table();
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296 try {
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297 tbl.put( "write", new LuanJavaFunction(
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298 LuanIO.class.getMethod( "write", LuanState.class, Object.class ), this
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299 ) );
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300 tbl.put( "text_writer", new LuanJavaFunction(
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301 LuanIO.class.getMethod( "text_writer" ), this
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302 ) );
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303 tbl.put( "binary_writer", new LuanJavaFunction(
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304 LuanIO.class.getMethod( "binary_writer" ), this
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305 ) );
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306 } catch(NoSuchMethodException e) {
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307 throw new RuntimeException(e);
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308 }
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309 return tbl;
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310 }
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311 }
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312
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313 public static final class LuanUrl extends LuanIn {
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314 private final URL url;
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315
263
54873a389f80 add "http" and "https" protocols
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316 private LuanUrl(URL url) {
203
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317 this.url = url;
125
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318 }
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319
144
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320 @Override InputStream inputStream() throws IOException {
125
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321 return url.openStream();
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322 }
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323
147
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324 @Override public String to_string() {
143
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325 return url.toString();
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326 }
283
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327
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328 public String post(String postS) throws IOException {
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329 return new UrlCall(url).post(postS);
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330 }
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331
297
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332 @Override public LuanTable table() {
283
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333 LuanTable tbl = super.table();
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334 try {
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335 tbl.put( "post", new LuanJavaFunction(
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diff changeset
336 LuanUrl.class.getMethod( "post", String.class ), this
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337 ) );
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338 } catch(NoSuchMethodException e) {
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339 throw new RuntimeException(e);
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340 }
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341 return tbl;
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342 }
125
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343 }
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344
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345 public static final class LuanFile extends LuanIO {
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346 private final File file;
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347
203
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348 private LuanFile(LuanState luan,File file) throws LuanException {
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349 this(file);
277
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diff changeset
350 check(luan,"file",file.toString());
145
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351 }
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diff changeset
352
202
75750ceb45ee add LuanState.registry
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diff changeset
353 private LuanFile(File file) {
145
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diff changeset
354 this.file = file;
125
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355 }
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diff changeset
356
144
2e92f0a6fcac add Reactionary.luan
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diff changeset
357 @Override InputStream inputStream() throws IOException {
125
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diff changeset
358 return new FileInputStream(file);
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diff changeset
359 }
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diff changeset
360
144
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diff changeset
361 @Override OutputStream outputStream() throws IOException {
125
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diff changeset
362 return new FileOutputStream(file);
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parents: 124
diff changeset
363 }
143
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parents: 142
diff changeset
364
147
cc3a0578edac fix Io.reverse_pickle
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 145
diff changeset
365 @Override public String to_string() {
143
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diff changeset
366 return file.toString();
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diff changeset
367 }
145
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diff changeset
368
203
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diff changeset
369 public LuanTable child(LuanState luan,String name) throws LuanException {
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370 return new LuanFile(luan,new File(file,name)).table();
164
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diff changeset
371 }
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diff changeset
372
203
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diff changeset
373 public LuanTable children(LuanState luan) throws LuanException {
164
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diff changeset
374 File[] files = file.listFiles();
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diff changeset
375 if( files==null )
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diff changeset
376 return null;
221
ec016471c6eb make LuanTable an interface
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parents: 220
diff changeset
377 LuanTable list = Luan.newTable();
164
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parents: 147
diff changeset
378 for( File f : files ) {
203
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diff changeset
379 list.add(new LuanFile(luan,f).table());
164
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parents: 147
diff changeset
380 }
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parents: 147
diff changeset
381 return list;
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parents: 147
diff changeset
382 }
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parents: 147
diff changeset
383
265
454a486d9c19 allow IO on files that don't exist
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 264
diff changeset
384 @Override public boolean exists() {
237
97d175772fed implement mmake
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diff changeset
385 return file.exists();
145
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parents: 144
diff changeset
386 }
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parents: 144
diff changeset
387
293
a50e88d3547c add Web_server.init();
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
388 public boolean rename_to(String dest) {
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diff changeset
389 return file.renameTo(new File(dest));
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diff changeset
390 }
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parents: 283
diff changeset
391
297
899253043270 remove PackageLuan.load_lib()
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diff changeset
392 @Override public LuanTable table() {
145
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diff changeset
393 LuanTable tbl = super.table();
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parents: 144
diff changeset
394 try {
164
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parents: 147
diff changeset
395 tbl.put( "name", new LuanJavaFunction(
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parents: 147
diff changeset
396 File.class.getMethod( "getName" ), file
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parents: 147
diff changeset
397 ) );
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parents: 147
diff changeset
398 tbl.put( "is_directory", new LuanJavaFunction(
78ba371ea1e9 merge Os.File into Io.File and remove Os
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
399 File.class.getMethod( "isDirectory" ), file
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
400 ) );
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parents: 147
diff changeset
401 tbl.put( "is_file", new LuanJavaFunction(
78ba371ea1e9 merge Os.File into Io.File and remove Os
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
402 File.class.getMethod( "isFile" ), file
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
403 ) );
78ba371ea1e9 merge Os.File into Io.File and remove Os
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
404 tbl.put( "delete", new LuanJavaFunction(
78ba371ea1e9 merge Os.File into Io.File and remove Os
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
405 File.class.getMethod( "delete" ), file
78ba371ea1e9 merge Os.File into Io.File and remove Os
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
406 ) );
78ba371ea1e9 merge Os.File into Io.File and remove Os
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
407 tbl.put( "mkdir", new LuanJavaFunction(
78ba371ea1e9 merge Os.File into Io.File and remove Os
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
408 File.class.getMethod( "mkdir" ), file
78ba371ea1e9 merge Os.File into Io.File and remove Os
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
409 ) );
78ba371ea1e9 merge Os.File into Io.File and remove Os
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
410 tbl.put( "mkdirs", new LuanJavaFunction(
78ba371ea1e9 merge Os.File into Io.File and remove Os
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
411 File.class.getMethod( "mkdirs" ), file
78ba371ea1e9 merge Os.File into Io.File and remove Os
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
412 ) );
78ba371ea1e9 merge Os.File into Io.File and remove Os
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
413 tbl.put( "last_modified", new LuanJavaFunction(
78ba371ea1e9 merge Os.File into Io.File and remove Os
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
414 File.class.getMethod( "lastModified" ), file
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
415 ) );
78ba371ea1e9 merge Os.File into Io.File and remove Os
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parents: 147
diff changeset
416 tbl.put( "child", new LuanJavaFunction(
203
99eef1d0e706 IO security
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parents: 202
diff changeset
417 LuanFile.class.getMethod( "child", LuanState.class, String.class ), this
164
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
418 ) );
78ba371ea1e9 merge Os.File into Io.File and remove Os
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
419 tbl.put( "children", new LuanJavaFunction(
203
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diff changeset
420 LuanFile.class.getMethod( "children", LuanState.class ), this
145
90f38a5d0e0a add Os.File
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diff changeset
421 ) );
293
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diff changeset
422 tbl.put( "rename_to", new LuanJavaFunction(
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 283
diff changeset
423 LuanFile.class.getMethod( "rename_to", String.class ), this
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 283
diff changeset
424 ) );
145
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parents: 144
diff changeset
425 } catch(NoSuchMethodException e) {
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parents: 144
diff changeset
426 throw new RuntimeException(e);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
427 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
428 return tbl;
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diff changeset
429 }
125
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parents: 124
diff changeset
430 }
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diff changeset
431
264
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432 public static LuanTable file(LuanState luan,String name,Boolean loading) throws LuanException {
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diff changeset
433 if( Boolean.TRUE.equals(loading) )
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434 name += ".luan";
260
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diff changeset
435 File file = new File(name);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
436 return new LuanFile(file).table();
143
fcb81fa2df0d handle urls and java resources as files
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diff changeset
437 }
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diff changeset
438
264
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439 public static LuanTable classpath(LuanState luan,String name,Boolean loading) throws LuanException {
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440 if( name.contains("//") )
260
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441 return null;
264
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442 String path = name;
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443 boolean isLoading = Boolean.TRUE.equals(loading);
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444 if( isLoading )
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445 path += ".luan";
277
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diff changeset
446 check(luan,"classpath",path);
260
f1f7d8c7e94e add Io.protocols
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diff changeset
447 URL url;
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parents: 237
diff changeset
448 if( !path.contains("#") ) {
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diff changeset
449 url = ClassLoader.getSystemResource(path);
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diff changeset
450 } else {
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parents: 237
diff changeset
451 String[] a = path.split("#");
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
452 url = ClassLoader.getSystemResource(a[0]);
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parents: 237
diff changeset
453 if( url==null ) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
454 for( int i=1; i<a.length; i++ ) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
455 url = ClassLoader.getSystemResource(a[0]+"/"+a[i]);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
456 if( url != null ) {
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parents: 237
diff changeset
457 try {
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parents: 237
diff changeset
458 url = new URL(url,".");
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
459 } catch(MalformedURLException e) {
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parents: 237
diff changeset
460 throw new RuntimeException(e);
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parents: 237
diff changeset
461 }
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diff changeset
462 break;
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diff changeset
463 }
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diff changeset
464 }
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diff changeset
465 }
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diff changeset
466 }
264
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diff changeset
467 if( url != null )
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diff changeset
468 return new LuanUrl(url).table();
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diff changeset
469
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diff changeset
470 return null;
260
f1f7d8c7e94e add Io.protocols
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diff changeset
471 }
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parents: 237
diff changeset
472
264
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diff changeset
473 private static LuanTable url(String url,Boolean loading) throws IOException {
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
474 if( Boolean.TRUE.equals(loading) )
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
475 url += ".luan";
263
54873a389f80 add "http" and "https" protocols
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diff changeset
476 return new LuanUrl(new URL(url)).table();
54873a389f80 add "http" and "https" protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 262
diff changeset
477 }
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parents: 262
diff changeset
478
264
9e0d4452e649 implement URL style module names
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diff changeset
479 public static LuanTable http(String path,Boolean loading) throws IOException {
9e0d4452e649 implement URL style module names
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parents: 263
diff changeset
480 return url("http:"+path,loading);
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parents: 263
diff changeset
481 }
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parents: 263
diff changeset
482
9e0d4452e649 implement URL style module names
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parents: 263
diff changeset
483 public static LuanTable https(String path,Boolean loading) throws IOException {
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
484 return url("https:"+path,loading);
263
54873a389f80 add "http" and "https" protocols
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parents: 262
diff changeset
485 }
54873a389f80 add "http" and "https" protocols
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parents: 262
diff changeset
486
272
eb27e765affb rename Io.protocols to Io.schemes and "class:" to "java:"
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 267
diff changeset
487 public static LuanTable java(LuanState luan,String path,Boolean loading) throws LuanException {
264
9e0d4452e649 implement URL style module names
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parents: 263
diff changeset
488 if( !Boolean.TRUE.equals(loading) )
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parents: 263
diff changeset
489 return null;
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
490 final LuanFunction fn = JavaLuan.javaLoader(luan,path);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
491 if( fn==null )
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parents: 263
diff changeset
492 return null;
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parents: 263
diff changeset
493 LuanFunction loader = new LuanFunction() {
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parents: 263
diff changeset
494 @Override public Object call(LuanState luan,Object[] args) {
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
495 return fn;
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parents: 263
diff changeset
496 }
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parents: 263
diff changeset
497 };
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parents: 263
diff changeset
498 LuanTable tbl = Luan.newTable();
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
499 tbl.put( "loader", loader );
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parents: 263
diff changeset
500 return tbl;
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parents: 263
diff changeset
501 }
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parents: 263
diff changeset
502
9e0d4452e649 implement URL style module names
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parents: 263
diff changeset
503 public static LuanTable luan(LuanState luan,String path,Boolean loading) throws LuanException {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
504 return classpath( luan, "luan/modules/" + path, loading );
263
54873a389f80 add "http" and "https" protocols
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parents: 262
diff changeset
505 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 262
diff changeset
506
265
454a486d9c19 allow IO on files that don't exist
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parents: 264
diff changeset
507 public static LuanTable stdin(LuanState luan) throws LuanException {
454a486d9c19 allow IO on files that don't exist
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 264
diff changeset
508 LuanTable io = (LuanTable)PackageLuan.loaded(luan).get("luan:Io");
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parents: 264
diff changeset
509 return (LuanTable)io.get("stdin");
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parents: 264
diff changeset
510 }
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parents: 264
diff changeset
511
297
899253043270 remove PackageLuan.load_lib()
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diff changeset
512 public static LuanTable newSchemes() {
272
eb27e765affb rename Io.protocols to Io.schemes and "class:" to "java:"
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 267
diff changeset
513 LuanTable schemes = Luan.newTable();
260
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diff changeset
514 try {
272
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diff changeset
515 add( schemes, "file", LuanState.class, String.class, Boolean.class );
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diff changeset
516 add( schemes, "classpath", LuanState.class, String.class, Boolean.class );
eb27e765affb rename Io.protocols to Io.schemes and "class:" to "java:"
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diff changeset
517 add( schemes, "socket", LuanState.class, String.class );
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diff changeset
518 add( schemes, "http", String.class, Boolean.class );
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parents: 267
diff changeset
519 add( schemes, "https", String.class, Boolean.class );
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diff changeset
520 add( schemes, "java", LuanState.class, String.class, Boolean.class );
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diff changeset
521 add( schemes, "luan", LuanState.class, String.class, Boolean.class );
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diff changeset
522 add( schemes, "stdin", LuanState.class );
260
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diff changeset
523 } catch(NoSuchMethodException e) {
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parents: 237
diff changeset
524 throw new RuntimeException(e);
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diff changeset
525 }
272
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diff changeset
526 return schemes;
260
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diff changeset
527 }
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diff changeset
528
272
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diff changeset
529 private static LuanTable schemes(LuanState luan) {
264
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530 LuanTable t = (LuanTable)PackageLuan.loaded(luan).get("luan:Io");
260
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diff changeset
531 if( t == null )
272
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diff changeset
532 return newSchemes();
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533 t = (LuanTable)t.get("schemes");
260
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diff changeset
534 if( t == null )
272
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diff changeset
535 return newSchemes();
260
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diff changeset
536 return t;
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diff changeset
537 }
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diff changeset
538
267
1507149fc447 rename Io.get() to Io.Uri()
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diff changeset
539 public static LuanTable Uri(LuanState luan,String name,Boolean loading) throws LuanException {
260
f1f7d8c7e94e add Io.protocols
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diff changeset
540 int i = name.indexOf(':');
f1f7d8c7e94e add Io.protocols
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diff changeset
541 if( i == -1 )
272
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diff changeset
542 throw luan.exception( "invalid Io name '"+name+"', missing scheme" );
eb27e765affb rename Io.protocols to Io.schemes and "class:" to "java:"
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diff changeset
543 String scheme = name.substring(0,i);
260
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diff changeset
544 String location = name.substring(i+1);
272
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diff changeset
545 LuanTable schemes = schemes(luan);
eb27e765affb rename Io.protocols to Io.schemes and "class:" to "java:"
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diff changeset
546 LuanFunction opener = (LuanFunction)schemes.get(scheme);
260
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diff changeset
547 if( opener == null )
272
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diff changeset
548 throw luan.exception( "invalid scheme '"+scheme+"' in '"+name+"'" );
264
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
549 return (LuanTable)Luan.first(luan.call(opener,"<open \""+name+"\">",new Object[]{location,loading}));
125
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diff changeset
550 }
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diff changeset
551
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diff changeset
552 public static final class LuanSocket extends LuanIO {
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diff changeset
553 private final Socket socket;
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parents: 124
diff changeset
554
202
75750ceb45ee add LuanState.registry
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diff changeset
555 private LuanSocket(String host,int port) throws IOException {
125
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diff changeset
556 this(new Socket(host,port));
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parents: 124
diff changeset
557 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 124
diff changeset
558
202
75750ceb45ee add LuanState.registry
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 171
diff changeset
559 private LuanSocket(Socket socket) throws IOException {
125
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diff changeset
560 this.socket = socket;
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parents: 124
diff changeset
561 }
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parents: 124
diff changeset
562
144
2e92f0a6fcac add Reactionary.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
563 @Override InputStream inputStream() throws IOException {
125
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diff changeset
564 return socket.getInputStream();
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diff changeset
565 }
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diff changeset
566
144
2e92f0a6fcac add Reactionary.luan
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diff changeset
567 @Override OutputStream outputStream() throws IOException {
125
0cd559a16758 add sockets
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parents: 124
diff changeset
568 return socket.getOutputStream();
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parents: 124
diff changeset
569 }
129
486a0641bca4 add pickle client/server;
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diff changeset
570
147
cc3a0578edac fix Io.reverse_pickle
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 145
diff changeset
571 @Override public String to_string() {
143
fcb81fa2df0d handle urls and java resources as files
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parents: 142
diff changeset
572 return socket.toString();
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parents: 142
diff changeset
573 }
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parents: 142
diff changeset
574
145
90f38a5d0e0a add Os.File
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
575 public LuanTable Pickle_client(LuanState luan) throws IOException {
281
a1fa4fba99de change PickleCon to allow any size string
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 277
diff changeset
576 InputStream in = new BufferedInputStream(inputStream());
a1fa4fba99de change PickleCon to allow any size string
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 277
diff changeset
577 OutputStream out = new BufferedOutputStream(outputStream());
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 125
diff changeset
578 return new PickleClient(luan,in,out).table();
486a0641bca4 add pickle client/server;
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parents: 125
diff changeset
579 }
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parents: 125
diff changeset
580
486a0641bca4 add pickle client/server;
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diff changeset
581 public void run_pickle_server(LuanState luan) throws IOException {
281
a1fa4fba99de change PickleCon to allow any size string
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 277
diff changeset
582 InputStream in = new BufferedInputStream(inputStream());
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
583 OutputStream out = new BufferedOutputStream(outputStream());
129
486a0641bca4 add pickle client/server;
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diff changeset
584 new PickleServer(luan,in,out).run();
486a0641bca4 add pickle client/server;
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parents: 125
diff changeset
585 }
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parents: 125
diff changeset
586
297
899253043270 remove PackageLuan.load_lib()
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parents: 296
diff changeset
587 @Override public LuanTable table() {
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 125
diff changeset
588 LuanTable tbl = super.table();
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 125
diff changeset
589 try {
145
90f38a5d0e0a add Os.File
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parents: 144
diff changeset
590 tbl.put( "Pickle_client", new LuanJavaFunction(
90f38a5d0e0a add Os.File
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
591 LuanSocket.class.getMethod( "Pickle_client", LuanState.class ), this
129
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 125
diff changeset
592 ) );
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 125
diff changeset
593 tbl.put( "run_pickle_server", new LuanJavaFunction(
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 125
diff changeset
594 LuanSocket.class.getMethod( "run_pickle_server", LuanState.class ), this
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 125
diff changeset
595 ) );
486a0641bca4 add pickle client/server;
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parents: 125
diff changeset
596 } catch(NoSuchMethodException e) {
486a0641bca4 add pickle client/server;
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parents: 125
diff changeset
597 throw new RuntimeException(e);
486a0641bca4 add pickle client/server;
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parents: 125
diff changeset
598 }
486a0641bca4 add pickle client/server;
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parents: 125
diff changeset
599 return tbl;
486a0641bca4 add pickle client/server;
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parents: 125
diff changeset
600 }
125
0cd559a16758 add sockets
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parents: 124
diff changeset
601 }
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parents: 124
diff changeset
602
262
3ccc5205d04d add "socket" protocol
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parents: 261
diff changeset
603 public static LuanTable socket(LuanState luan,String name) throws LuanException, IOException {
3ccc5205d04d add "socket" protocol
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parents: 261
diff changeset
604 int i = name.indexOf(':');
3ccc5205d04d add "socket" protocol
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parents: 261
diff changeset
605 if( i == -1 )
3ccc5205d04d add "socket" protocol
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parents: 261
diff changeset
606 throw luan.exception( "invalid socket '"+name+"', format is: <host>:<port>" );
3ccc5205d04d add "socket" protocol
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parents: 261
diff changeset
607 String host = name.substring(0,i);
3ccc5205d04d add "socket" protocol
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 261
diff changeset
608 String portStr = name.substring(i+1);
3ccc5205d04d add "socket" protocol
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parents: 261
diff changeset
609 int port = Integer.parseInt(portStr);
125
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610 return new LuanSocket(host,port).table();
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611 }
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612
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613 public static LuanFunction socket_server(int port) throws IOException {
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614 final ServerSocket ss = new ServerSocket(port);
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615 return new LuanFunction() {
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616 @Override public Object call(LuanState luan,Object[] args) throws LuanException {
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617 try {
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618 if( args.length > 0 ) {
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619 if( args.length > 1 || !"close".equals(args[0]) )
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620 throw luan.exception( "the only argument allowed is 'close'" );
125
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621 ss.close();
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622 return null;
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623 }
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624 return new LuanSocket(ss.accept()).table();
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625 } catch(IOException e) {
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626 throw luan.exception(e);
125
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627 }
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628 }
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629 };
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630 }
136
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631
203
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632
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633 // security
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634
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635 public interface Security {
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636 public void check(LuanState luan,String scheme,String name) throws LuanException;
203
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637 }
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638
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639 private static String SECURITY_KEY = "Io.Security";
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640
277
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641 private static void check(LuanState luan,String scheme,String name) throws LuanException {
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642 Security s = (Security)luan.registry().get(SECURITY_KEY);
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643 if( s!=null )
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644 s.check(luan,scheme,name);
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645 }
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646
204
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647 public static void setSecurity(LuanState luan,Security s) {
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648 luan.registry().put(SECURITY_KEY,s);
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649 }
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650
168
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651 private void IoLuan() {} // never
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652 }