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annotate core/src/luan/modules/IoLuan.java @ 323:cd2924a1052c

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improve testing git-svn-id: https://luan-java.googlecode.com/svn/trunk@324 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Mon, 09 Feb 2015 04:33:21 +0000
parents 7c4f52262213
children 23b99a5039b5
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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.IOException;
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454a486d9c19 allow IO on files that don't exist
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22 import java.io.FileNotFoundException;
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23 import java.net.URL;
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24 import java.net.Socket;
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25 import java.net.ServerSocket;
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26 import java.net.MalformedURLException;
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27 import java.util.List;
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28 import java.util.ArrayList;
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29 import luan.Luan;
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30 import luan.LuanState;
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31 import luan.LuanTable;
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32 import luan.LuanFunction;
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33 import luan.LuanJavaFunction;
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34 import luan.LuanException;
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36
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37 public final class IoLuan {
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39 private static void add(LuanTable t,String method,Class<?>... parameterTypes) throws NoSuchMethodException {
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40 t.put( method, new LuanJavaFunction(IoLuan.class.getMethod(method,parameterTypes),null) );
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41 }
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42
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43 public static String read_console_line(String prompt) throws IOException {
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44 if( prompt==null )
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45 prompt = "> ";
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46 return System.console().readLine(prompt);
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47 }
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50 public interface LuanWriter {
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51 public void write(LuanState luan,Object... args) throws LuanException, IOException;
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52 public void close() throws IOException;
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53 }
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54
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55 public static LuanTable textWriter(final PrintStream out) {
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56 LuanWriter luanWriter = new LuanWriter() {
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58 public void write(LuanState luan,Object... args) throws LuanException {
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59 for( Object obj : args ) {
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60 out.print( luan.toString(obj) );
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61 }
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62 }
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64 public void close() {
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65 out.close();
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66 }
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67 };
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68 return writer(luanWriter);
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69 }
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71 public static LuanTable textWriter(final Writer out) {
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72 LuanWriter luanWriter = new LuanWriter() {
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74 public void write(LuanState luan,Object... args) throws LuanException, IOException {
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75 for( Object obj : args ) {
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76 out.write( luan.toString(obj) );
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77 }
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78 }
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80 public void close() throws IOException {
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81 out.close();
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82 }
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83 };
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84 return writer(luanWriter);
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85 }
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86
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87 private static LuanTable writer(LuanWriter luanWriter) {
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88 LuanTable writer = Luan.newTable();
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89 try {
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90 writer.put( "write", new LuanJavaFunction(
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91 LuanWriter.class.getMethod( "write", LuanState.class, new Object[0].getClass() ), luanWriter
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92 ) );
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93 writer.put( "close", new LuanJavaFunction(
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94 LuanWriter.class.getMethod( "close" ), luanWriter
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95 ) );
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96 } catch(NoSuchMethodException e) {
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97 throw new RuntimeException(e);
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98 }
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99 return writer;
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100 }
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102
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103 public static LuanTable binaryWriter(final OutputStream out) {
221
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104 LuanTable writer = Luan.newTable();
115
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105 try {
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106 writer.put( "write", new LuanJavaFunction(
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107 OutputStream.class.getMethod( "write", new byte[0].getClass() ), out
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108 ) );
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109 writer.put( "close", new LuanJavaFunction(
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110 OutputStream.class.getMethod( "close" ), out
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111 ) );
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112 } catch(NoSuchMethodException e) {
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113 throw new RuntimeException(e);
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114 }
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115 return writer;
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116 }
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117
116
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118 static LuanFunction lines(final BufferedReader in) {
115
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119 return new LuanFunction() {
116
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120 @Override public Object call(LuanState luan,Object[] args) throws LuanException {
115
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121 try {
116
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122 if( args.length > 0 ) {
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123 if( args.length > 1 || !"close".equals(args[0]) )
130
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124 throw luan.exception( "the only argument allowed is 'close'" );
115
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125 in.close();
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126 return null;
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127 }
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128 String rtn = in.readLine();
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129 if( rtn==null )
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130 in.close();
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131 return rtn;
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132 } catch(IOException e) {
130
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133 throw luan.exception(e);
115
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134 }
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135 }
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136 };
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137 }
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138
116
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139 static LuanFunction blocks(final InputStream in,final int blockSize) {
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140 return new LuanFunction() {
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141 final byte[] a = new byte[blockSize];
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142
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143 @Override public Object call(LuanState luan,Object[] args) throws LuanException {
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144 try {
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145 if( args.length > 0 ) {
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146 if( args.length > 1 || !"close".equals(args[0]) )
130
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147 throw luan.exception( "the only argument allowed is 'close'" );
116
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148 in.close();
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149 return null;
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150 }
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151 if( in.read(a) == -1 ) {
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152 in.close();
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153 return null;
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154 }
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155 return a;
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156 } catch(IOException e) {
130
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157 throw luan.exception(e);
116
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158 }
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159 }
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160 };
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161 }
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162
125
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163
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164
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165 public static abstract class LuanIn {
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166 abstract InputStream inputStream() throws IOException;
147
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167 public abstract String to_string();
125
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168
314
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169 public Reader reader() throws IOException {
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170 return new InputStreamReader(inputStream());
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171 }
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172
125
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173 public String read_text() throws IOException {
314
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174 Reader in = reader();
125
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175 String s = Utils.readAll(in);
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176 in.close();
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177 return s;
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178 }
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179
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180 public byte[] read_binary() throws IOException {
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181 InputStream in = inputStream();
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182 byte[] a = Utils.readAll(in);
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183 in.close();
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184 return a;
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185 }
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186
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187 public LuanFunction read_lines() throws IOException {
314
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188 return lines(new BufferedReader(reader()));
125
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189 }
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190
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191 public LuanFunction read_blocks(Integer blockSize) throws IOException {
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192 int n = blockSize!=null ? blockSize : Utils.bufSize;
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193 return blocks(inputStream(),n);
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194 }
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195
265
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196 public boolean exists() throws IOException {
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197 try {
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198 inputStream().close();
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199 return true;
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200 } catch(FileNotFoundException e) {
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201 return false;
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202 }
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203 }
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204
297
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205 public LuanTable table() {
221
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206 LuanTable tbl = Luan.newTable();
125
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207 try {
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208 tbl.put( "to_string", new LuanJavaFunction(
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209 LuanIn.class.getMethod( "to_string" ), this
143
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210 ) );
125
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211 tbl.put( "read_text", new LuanJavaFunction(
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212 LuanIn.class.getMethod( "read_text" ), this
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213 ) );
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214 tbl.put( "read_binary", new LuanJavaFunction(
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215 LuanIn.class.getMethod( "read_binary" ), this
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216 ) );
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217 tbl.put( "read_lines", new LuanJavaFunction(
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218 LuanIn.class.getMethod( "read_lines" ), this
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219 ) );
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220 tbl.put( "read_blocks", new LuanJavaFunction(
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221 LuanIn.class.getMethod( "read_blocks", Integer.class ), this
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222 ) );
265
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223 tbl.put( "exists", new LuanJavaFunction(
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224 LuanIn.class.getMethod( "exists" ), this
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225 ) );
125
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226 } catch(NoSuchMethodException e) {
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227 throw new RuntimeException(e);
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228 }
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229 return tbl;
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230 }
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231 }
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232
297
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233 public static final LuanIn defaultStdin = new LuanIn() {
261
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234
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235 @Override InputStream inputStream() {
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236 return System.in;
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237 }
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238
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239 @Override public String to_string() {
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240 return "<stdin>";
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241 }
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242
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243 @Override public String read_text() throws IOException {
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244 return Utils.readAll(new InputStreamReader(System.in));
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245 }
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246
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247 @Override public byte[] read_binary() throws IOException {
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248 return Utils.readAll(System.in);
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249 }
265
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250
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251 @Override public boolean exists() {
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252 return true;
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253 }
261
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254 };
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255
125
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256 public static abstract class LuanIO extends LuanIn {
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257 abstract OutputStream outputStream() throws IOException;
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258
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259 public void write(LuanState luan,Object obj) throws LuanException, IOException {
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260 if( obj instanceof String ) {
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261 String s = (String)obj;
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262 Writer out = new OutputStreamWriter(outputStream());
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263 out.write(s);
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264 out.close();
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265 return;
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266 }
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267 if( obj instanceof byte[] ) {
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268 byte[] a = (byte[])obj;
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269 OutputStream out = outputStream();
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270 Utils.copyAll(new ByteArrayInputStream(a),out);
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271 out.close();
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272 return;
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273 }
130
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274 throw luan.exception( "bad argument #1 to 'write' (string or binary expected)" );
125
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275 }
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276
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277 public LuanTable text_writer() throws IOException {
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278 return textWriter(new BufferedWriter(new OutputStreamWriter(outputStream())));
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279 }
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280
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281 public LuanTable binary_writer() throws IOException {
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282 return binaryWriter(new BufferedOutputStream(outputStream()));
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283 }
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284
297
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285 @Override public LuanTable table() {
125
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286 LuanTable tbl = super.table();
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287 try {
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288 tbl.put( "write", new LuanJavaFunction(
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289 LuanIO.class.getMethod( "write", LuanState.class, Object.class ), this
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290 ) );
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291 tbl.put( "text_writer", new LuanJavaFunction(
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292 LuanIO.class.getMethod( "text_writer" ), this
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293 ) );
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294 tbl.put( "binary_writer", new LuanJavaFunction(
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295 LuanIO.class.getMethod( "binary_writer" ), this
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296 ) );
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297 } catch(NoSuchMethodException e) {
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298 throw new RuntimeException(e);
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299 }
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300 return tbl;
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301 }
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302 }
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303
314
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304 public static final class LuanString extends LuanIn {
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305 private final String s;
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306
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307 private LuanString(String s) {
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308 this.s = s;
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309 }
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310
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311 @Override InputStream inputStream() throws IOException {
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312 throw new UnsupportedOperationException();
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313 }
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314
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315 @Override public String to_string() {
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316 return "<string>";
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317 }
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318
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319 @Override public Reader reader() {
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320 return new StringReader(s);
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321 }
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322
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323 @Override public String read_text() {
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324 return s;
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325 }
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326
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327 @Override public boolean exists() {
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328 return true;
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329 }
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330 }
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331
125
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332 public static final class LuanUrl extends LuanIn {
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333 private final URL url;
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334
263
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335 private LuanUrl(URL url) {
203
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336 this.url = url;
125
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337 }
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338
144
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339 @Override InputStream inputStream() throws IOException {
125
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340 return url.openStream();
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341 }
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342
147
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343 @Override public String to_string() {
143
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344 return url.toString();
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345 }
283
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346
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347 public String post(String postS) throws IOException {
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348 return new UrlCall(url).post(postS);
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349 }
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350
297
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351 @Override public LuanTable table() {
283
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352 LuanTable tbl = super.table();
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353 try {
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354 tbl.put( "post", new LuanJavaFunction(
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355 LuanUrl.class.getMethod( "post", String.class ), this
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356 ) );
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357 } catch(NoSuchMethodException e) {
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358 throw new RuntimeException(e);
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359 }
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360 return tbl;
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361 }
125
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362 }
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363
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364 public static final class LuanFile extends LuanIO {
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365 private final File file;
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366
203
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367 private LuanFile(LuanState luan,File file) throws LuanException {
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368 this(file);
301
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diff changeset
369 check(luan,"file:"+file.toString());
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370 }
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371
202
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372 private LuanFile(File file) {
145
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373 this.file = file;
125
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374 }
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375
144
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376 @Override InputStream inputStream() throws IOException {
125
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377 return new FileInputStream(file);
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378 }
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diff changeset
379
144
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380 @Override OutputStream outputStream() throws IOException {
125
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381 return new FileOutputStream(file);
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382 }
143
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diff changeset
383
147
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diff changeset
384 @Override public String to_string() {
143
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diff changeset
385 return file.toString();
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386 }
145
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diff changeset
387
203
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388 public LuanTable child(LuanState luan,String name) throws LuanException {
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389 return new LuanFile(luan,new File(file,name)).table();
164
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diff changeset
390 }
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diff changeset
391
203
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392 public LuanTable children(LuanState luan) throws LuanException {
164
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diff changeset
393 File[] files = file.listFiles();
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diff changeset
394 if( files==null )
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diff changeset
395 return null;
221
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diff changeset
396 LuanTable list = Luan.newTable();
164
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diff changeset
397 for( File f : files ) {
203
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diff changeset
398 list.add(new LuanFile(luan,f).table());
164
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diff changeset
399 }
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diff changeset
400 return list;
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diff changeset
401 }
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diff changeset
402
323
cd2924a1052c improve testing
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diff changeset
403 public LuanTable parent(LuanState luan) throws LuanException, IOException {
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diff changeset
404 File parent = file.getParentFile();
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diff changeset
405 if( parent==null )
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diff changeset
406 parent = file.getCanonicalFile().getParentFile();
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diff changeset
407 return new LuanFile(luan,parent).table();
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diff changeset
408 }
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diff changeset
409
265
454a486d9c19 allow IO on files that don't exist
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diff changeset
410 @Override public boolean exists() {
237
97d175772fed implement mmake
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diff changeset
411 return file.exists();
145
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diff changeset
412 }
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diff changeset
413
293
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diff changeset
414 public boolean rename_to(String dest) {
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diff changeset
415 return file.renameTo(new File(dest));
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diff changeset
416 }
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diff changeset
417
310
9e9bb358b2df add File.canonical()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
418 public LuanTable canonical(LuanState luan) throws LuanException, IOException {
9e9bb358b2df add File.canonical()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
419 return new LuanFile(luan,file.getCanonicalFile()).table();
9e9bb358b2df add File.canonical()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
420 }
9e9bb358b2df add File.canonical()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
421
297
899253043270 remove PackageLuan.load_lib()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 296
diff changeset
422 @Override public LuanTable table() {
145
90f38a5d0e0a add Os.File
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
423 LuanTable tbl = super.table();
90f38a5d0e0a add Os.File
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
424 try {
164
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
425 tbl.put( "name", 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
426 File.class.getMethod( "getName" ), 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
427 ) );
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
428 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
429 File.class.getMethod( "isDirectory" ), 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
430 ) );
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
431 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
432 File.class.getMethod( "isFile" ), 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
433 ) );
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
434 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
435 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
436 ) );
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
437 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
438 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
439 ) );
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
440 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
441 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
442 ) );
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
443 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
444 File.class.getMethod( "lastModified" ), 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
445 ) );
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
446 tbl.put( "child", new LuanJavaFunction(
203
99eef1d0e706 IO security
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 202
diff changeset
447 LuanFile.class.getMethod( "child", LuanState.class, String.class ), this
164
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
448 ) );
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
449 tbl.put( "children", new LuanJavaFunction(
203
99eef1d0e706 IO security
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 202
diff changeset
450 LuanFile.class.getMethod( "children", LuanState.class ), this
145
90f38a5d0e0a add Os.File
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
451 ) );
323
cd2924a1052c improve testing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 314
diff changeset
452 tbl.put( "parent", new LuanJavaFunction(
cd2924a1052c improve testing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 314
diff changeset
453 LuanFile.class.getMethod( "parent", LuanState.class ), this
cd2924a1052c improve testing
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 314
diff changeset
454 ) );
293
a50e88d3547c add Web_server.init();
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 283
diff changeset
455 tbl.put( "rename_to", new LuanJavaFunction(
a50e88d3547c add Web_server.init();
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 283
diff changeset
456 LuanFile.class.getMethod( "rename_to", String.class ), this
a50e88d3547c add Web_server.init();
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 283
diff changeset
457 ) );
310
9e9bb358b2df add File.canonical()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
458 tbl.put( "canonical", new LuanJavaFunction(
9e9bb358b2df add File.canonical()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
459 LuanFile.class.getMethod( "canonical", LuanState.class ), this
9e9bb358b2df add File.canonical()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
460 ) );
145
90f38a5d0e0a add Os.File
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
461 } catch(NoSuchMethodException e) {
90f38a5d0e0a add Os.File
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
462 throw new RuntimeException(e);
90f38a5d0e0a add Os.File
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
463 }
90f38a5d0e0a add Os.File
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
464 return tbl;
90f38a5d0e0a add Os.File
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
465 }
125
0cd559a16758 add sockets
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 124
diff changeset
466 }
0cd559a16758 add sockets
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 124
diff changeset
467
314
7c4f52262213 add Io.schemes.string
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 310
diff changeset
468 public static LuanTable string(LuanState luan,String s) throws LuanException {
7c4f52262213 add Io.schemes.string
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 310
diff changeset
469 Utils.checkNotNull(luan,s);
7c4f52262213 add Io.schemes.string
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 310
diff changeset
470 return new LuanString(s).table();
7c4f52262213 add Io.schemes.string
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 310
diff changeset
471 }
7c4f52262213 add Io.schemes.string
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 310
diff changeset
472
299
a74559240b4f simplify PackageLuan and remove IO loading param
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 297
diff changeset
473 public static LuanTable file(LuanState luan,String name) throws LuanException {
260
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
474 File file = new File(name);
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
475 return new LuanFile(file).table();
143
fcb81fa2df0d handle urls and java resources as files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 142
diff changeset
476 }
fcb81fa2df0d handle urls and java resources as files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 142
diff changeset
477
299
a74559240b4f simplify PackageLuan and remove IO loading param
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 297
diff changeset
478 public static LuanTable classpath(LuanState luan,String name) throws LuanException {
264
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
479 if( name.contains("//") )
260
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
480 return null;
264
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
481 String path = name;
301
a6bf8ff720f8 add java security
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 299
diff changeset
482 check(luan,"classpath:"+path);
260
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
483 URL url;
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
484 if( !path.contains("#") ) {
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
485 url = ClassLoader.getSystemResource(path);
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
486 } else {
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
487 String[] a = path.split("#");
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
488 url = ClassLoader.getSystemResource(a[0]);
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
489 if( url==null ) {
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
490 for( int i=1; i<a.length; i++ ) {
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
491 url = ClassLoader.getSystemResource(a[0]+"/"+a[i]);
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
492 if( url != null ) {
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
493 try {
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
494 url = new URL(url,".");
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
495 } catch(MalformedURLException e) {
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
496 throw new RuntimeException(e);
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
497 }
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
498 break;
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
499 }
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
500 }
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
501 }
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
502 }
264
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
503 if( url != null )
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
504 return new LuanUrl(url).table();
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
505
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
506 return null;
260
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
507 }
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
508
299
a74559240b4f simplify PackageLuan and remove IO loading param
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 297
diff changeset
509 private static LuanTable url(String url) throws IOException {
263
54873a389f80 add "http" and "https" protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 262
diff changeset
510 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
511 }
54873a389f80 add "http" and "https" protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 262
diff changeset
512
299
a74559240b4f simplify PackageLuan and remove IO loading param
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 297
diff changeset
513 public static LuanTable http(String path) throws IOException {
a74559240b4f simplify PackageLuan and remove IO loading param
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 297
diff changeset
514 return url("http:"+path);
263
54873a389f80 add "http" and "https" protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 262
diff changeset
515 }
54873a389f80 add "http" and "https" protocols
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516
299
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517 public static LuanTable https(String path) throws IOException {
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518 return url("https:"+path);
264
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519 }
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diff changeset
520
299
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521 public static LuanTable luan(LuanState luan,String path) throws LuanException {
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522 return classpath( luan, "luan/modules/" + path );
263
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523 }
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diff changeset
524
265
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diff changeset
525 public static LuanTable stdin(LuanState luan) throws LuanException {
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diff changeset
526 LuanTable io = (LuanTable)PackageLuan.loaded(luan).get("luan:Io");
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diff changeset
527 return (LuanTable)io.get("stdin");
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528 }
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diff changeset
529
297
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diff changeset
530 public static LuanTable newSchemes() {
272
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531 LuanTable schemes = Luan.newTable();
260
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diff changeset
532 try {
314
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diff changeset
533 add( schemes, "string", LuanState.class, String.class );
299
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diff changeset
534 add( schemes, "file", LuanState.class, String.class );
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535 add( schemes, "classpath", LuanState.class, String.class );
272
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diff changeset
536 add( schemes, "socket", LuanState.class, String.class );
299
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diff changeset
537 add( schemes, "http", String.class );
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538 add( schemes, "https", String.class );
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539 add( schemes, "luan", LuanState.class, String.class );
272
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540 add( schemes, "stdin", LuanState.class );
260
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diff changeset
541 } catch(NoSuchMethodException e) {
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diff changeset
542 throw new RuntimeException(e);
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543 }
272
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diff changeset
544 return schemes;
260
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diff changeset
545 }
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diff changeset
546
272
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diff changeset
547 private static LuanTable schemes(LuanState luan) {
264
9e0d4452e649 implement URL style module names
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diff changeset
548 LuanTable t = (LuanTable)PackageLuan.loaded(luan).get("luan:Io");
260
f1f7d8c7e94e add Io.protocols
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diff changeset
549 if( t == null )
272
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diff changeset
550 return newSchemes();
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diff changeset
551 t = (LuanTable)t.get("schemes");
260
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diff changeset
552 if( t == null )
272
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diff changeset
553 return newSchemes();
260
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diff changeset
554 return t;
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diff changeset
555 }
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parents: 237
diff changeset
556
299
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diff changeset
557 public static LuanTable Uri(LuanState luan,String name) throws LuanException {
260
f1f7d8c7e94e add Io.protocols
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diff changeset
558 int i = name.indexOf(':');
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
559 if( i == -1 )
272
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diff changeset
560 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
561 String scheme = name.substring(0,i);
260
f1f7d8c7e94e add Io.protocols
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diff changeset
562 String location = name.substring(i+1);
272
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diff changeset
563 LuanTable schemes = schemes(luan);
eb27e765affb rename Io.protocols to Io.schemes and "class:" to "java:"
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diff changeset
564 LuanFunction opener = (LuanFunction)schemes.get(scheme);
260
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diff changeset
565 if( opener == null )
272
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diff changeset
566 throw luan.exception( "invalid scheme '"+scheme+"' in '"+name+"'" );
299
a74559240b4f simplify PackageLuan and remove IO loading param
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diff changeset
567 return (LuanTable)Luan.first(luan.call(opener,"<open \""+name+"\">",new Object[]{location}));
125
0cd559a16758 add sockets
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diff changeset
568 }
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diff changeset
569
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diff changeset
570 public static final class LuanSocket extends LuanIO {
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parents: 124
diff changeset
571 private final Socket socket;
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diff changeset
572
202
75750ceb45ee add LuanState.registry
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parents: 171
diff changeset
573 private LuanSocket(String host,int port) throws IOException {
125
0cd559a16758 add sockets
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diff changeset
574 this(new Socket(host,port));
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parents: 124
diff changeset
575 }
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parents: 124
diff changeset
576
202
75750ceb45ee add LuanState.registry
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diff changeset
577 private LuanSocket(Socket socket) throws IOException {
125
0cd559a16758 add sockets
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diff changeset
578 this.socket = socket;
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parents: 124
diff changeset
579 }
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parents: 124
diff changeset
580
144
2e92f0a6fcac add Reactionary.luan
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diff changeset
581 @Override InputStream inputStream() throws IOException {
125
0cd559a16758 add sockets
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diff changeset
582 return socket.getInputStream();
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parents: 124
diff changeset
583 }
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parents: 124
diff changeset
584
144
2e92f0a6fcac add Reactionary.luan
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parents: 143
diff changeset
585 @Override OutputStream outputStream() throws IOException {
125
0cd559a16758 add sockets
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parents: 124
diff changeset
586 return socket.getOutputStream();
0cd559a16758 add sockets
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parents: 124
diff changeset
587 }
129
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parents: 125
diff changeset
588
147
cc3a0578edac fix Io.reverse_pickle
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 145
diff changeset
589 @Override public String to_string() {
143
fcb81fa2df0d handle urls and java resources as files
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parents: 142
diff changeset
590 return socket.toString();
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parents: 142
diff changeset
591 }
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parents: 142
diff changeset
592
145
90f38a5d0e0a add Os.File
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
593 public LuanTable Pickle_client(LuanState luan) throws IOException {
281
a1fa4fba99de change PickleCon to allow any size string
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parents: 277
diff changeset
594 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
595 OutputStream out = new BufferedOutputStream(outputStream());
129
486a0641bca4 add pickle client/server;
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diff changeset
596 return new PickleClient(luan,in,out).table();
486a0641bca4 add pickle client/server;
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parents: 125
diff changeset
597 }
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parents: 125
diff changeset
598
486a0641bca4 add pickle client/server;
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parents: 125
diff changeset
599 public void run_pickle_server(LuanState luan) throws IOException {
281
a1fa4fba99de change PickleCon to allow any size string
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parents: 277
diff changeset
600 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
601 OutputStream out = new BufferedOutputStream(outputStream());
129
486a0641bca4 add pickle client/server;
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parents: 125
diff changeset
602 new PickleServer(luan,in,out).run();
486a0641bca4 add pickle client/server;
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parents: 125
diff changeset
603 }
486a0641bca4 add pickle client/server;
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parents: 125
diff changeset
604
297
899253043270 remove PackageLuan.load_lib()
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parents: 296
diff changeset
605 @Override public LuanTable table() {
129
486a0641bca4 add pickle client/server;
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parents: 125
diff changeset
606 LuanTable tbl = super.table();
486a0641bca4 add pickle client/server;
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parents: 125
diff changeset
607 try {
145
90f38a5d0e0a add Os.File
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
608 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
609 LuanSocket.class.getMethod( "Pickle_client", LuanState.class ), this
129
486a0641bca4 add pickle client/server;
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parents: 125
diff changeset
610 ) );
486a0641bca4 add pickle client/server;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 125
diff changeset
611 tbl.put( "run_pickle_server", new LuanJavaFunction(
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612 LuanSocket.class.getMethod( "run_pickle_server", LuanState.class ), this
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613 ) );
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614 } catch(NoSuchMethodException e) {
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615 throw new RuntimeException(e);
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616 }
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617 return tbl;
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618 }
125
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619 }
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620
262
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621 public static LuanTable socket(LuanState luan,String name) throws LuanException, IOException {
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622 int i = name.indexOf(':');
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623 if( i == -1 )
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624 throw luan.exception( "invalid socket '"+name+"', format is: <host>:<port>" );
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625 String host = name.substring(0,i);
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626 String portStr = name.substring(i+1);
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627 int port = Integer.parseInt(portStr);
125
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628 return new LuanSocket(host,port).table();
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629 }
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630
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631 public static LuanFunction socket_server(int port) throws IOException {
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632 final ServerSocket ss = new ServerSocket(port);
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633 return new LuanFunction() {
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634 @Override public Object call(LuanState luan,Object[] args) throws LuanException {
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635 try {
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636 if( args.length > 0 ) {
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637 if( args.length > 1 || !"close".equals(args[0]) )
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638 throw luan.exception( "the only argument allowed is 'close'" );
125
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639 ss.close();
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640 return null;
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641 }
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642 return new LuanSocket(ss.accept()).table();
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643 } catch(IOException e) {
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644 throw luan.exception(e);
125
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645 }
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646 }
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647 };
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648 }
136
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649
203
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650
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651 // security
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652
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653 public interface Security {
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654 public void check(LuanState luan,String name) throws LuanException;
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655 }
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656
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657 private static String SECURITY_KEY = "Io.Security";
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658
301
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659 private static void check(LuanState luan,String name) throws LuanException {
204
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660 Security s = (Security)luan.registry().get(SECURITY_KEY);
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661 if( s!=null )
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662 s.check(luan,name);
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663 }
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664
204
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665 public static void setSecurity(LuanState luan,Security s) {
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666 luan.registry().put(SECURITY_KEY,s);
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667 }
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668
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669 private void IoLuan() {} // never
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670 }