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annotate core/src/luan/modules/IoLuan.java @ 296:7ea6dfdf81ba

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add env param to load_file() git-svn-id: https://luan-java.googlecode.com/svn/trunk@297 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Mon, 15 Dec 2014 08:03:32 +0000
parents a50e88d3547c
children 899253043270
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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 public static final LuanFunction LOADER = new LuanFunction() {
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39 @Override public Object call(LuanState luan,Object[] args) {
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40 LuanTable module = Luan.newTable();
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41 try {
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42 add( module, "read_console_line", String.class );
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43 module.put( "schemes", newSchemes() );
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44 add( module, "Uri", LuanState.class, String.class, Boolean.class );
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715c4a6e1169 simplify Io.stdin
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45 module.put( "stdin", stdin.table() );
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46 add( module, "socket_server", Integer.TYPE );
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47 } catch(NoSuchMethodException e) {
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48 throw new RuntimeException(e);
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49 }
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50 module.put( "stdout", textWriter(System.out) );
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51 module.put( "stderr", textWriter(System.err) );
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52 return module;
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53 }
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54 };
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56 private static void add(LuanTable t,String method,Class<?>... parameterTypes) throws NoSuchMethodException {
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57 t.put( method, new LuanJavaFunction(IoLuan.class.getMethod(method,parameterTypes),null) );
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58 }
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61 public static String read_console_line(String prompt) throws IOException {
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62 if( prompt==null )
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63 prompt = "> ";
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64 return System.console().readLine(prompt);
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65 }
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66
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68 public interface LuanWriter {
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69 public void write(LuanState luan,Object... args) throws LuanException, IOException;
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70 public void close() throws IOException;
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71 }
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73 public static LuanTable textWriter(final PrintStream out) {
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74 LuanWriter luanWriter = new LuanWriter() {
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76 public void write(LuanState luan,Object... args) throws LuanException {
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77 for( Object obj : args ) {
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78 out.print( luan.toString(obj) );
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79 }
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80 }
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82 public void close() {
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83 out.close();
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84 }
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85 };
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86 return writer(luanWriter);
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87 }
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88
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89 public static LuanTable textWriter(final Writer out) {
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90 LuanWriter luanWriter = new LuanWriter() {
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92 public void write(LuanState luan,Object... args) throws LuanException, IOException {
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93 for( Object obj : args ) {
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94 out.write( luan.toString(obj) );
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95 }
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96 }
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98 public void close() throws IOException {
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99 out.close();
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100 }
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101 };
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102 return writer(luanWriter);
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103 }
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104
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105 private static LuanTable writer(LuanWriter luanWriter) {
221
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106 LuanTable writer = Luan.newTable();
115
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107 try {
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108 writer.put( "write", new LuanJavaFunction(
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109 LuanWriter.class.getMethod( "write", LuanState.class, new Object[0].getClass() ), luanWriter
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110 ) );
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111 writer.put( "close", new LuanJavaFunction(
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112 LuanWriter.class.getMethod( "close" ), luanWriter
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113 ) );
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114 } catch(NoSuchMethodException e) {
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115 throw new RuntimeException(e);
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116 }
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117 return writer;
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118 }
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119
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120
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121 public static LuanTable binaryWriter(final OutputStream out) {
221
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122 LuanTable writer = Luan.newTable();
115
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123 try {
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124 writer.put( "write", new LuanJavaFunction(
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125 OutputStream.class.getMethod( "write", new byte[0].getClass() ), out
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126 ) );
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127 writer.put( "close", new LuanJavaFunction(
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128 OutputStream.class.getMethod( "close" ), out
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129 ) );
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130 } catch(NoSuchMethodException e) {
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131 throw new RuntimeException(e);
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132 }
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133 return writer;
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134 }
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135
116
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136 static LuanFunction lines(final BufferedReader in) {
115
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137 return new LuanFunction() {
116
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138 @Override public Object call(LuanState luan,Object[] args) throws LuanException {
115
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139 try {
116
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140 if( args.length > 0 ) {
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141 if( args.length > 1 || !"close".equals(args[0]) )
130
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142 throw luan.exception( "the only argument allowed is 'close'" );
115
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143 in.close();
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144 return null;
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145 }
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146 String rtn = in.readLine();
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147 if( rtn==null )
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148 in.close();
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149 return rtn;
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150 } catch(IOException e) {
130
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151 throw luan.exception(e);
115
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152 }
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153 }
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154 };
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155 }
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156
116
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157 static LuanFunction blocks(final InputStream in,final int blockSize) {
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158 return new LuanFunction() {
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159 final byte[] a = new byte[blockSize];
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160
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161 @Override public Object call(LuanState luan,Object[] args) throws LuanException {
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162 try {
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163 if( args.length > 0 ) {
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164 if( args.length > 1 || !"close".equals(args[0]) )
130
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165 throw luan.exception( "the only argument allowed is 'close'" );
116
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166 in.close();
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167 return null;
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168 }
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169 if( in.read(a) == -1 ) {
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170 in.close();
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171 return null;
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172 }
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173 return a;
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174 } catch(IOException e) {
130
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175 throw luan.exception(e);
116
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176 }
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177 }
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178 };
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179 }
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180
125
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181
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182
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183 public static abstract class LuanIn {
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184 abstract InputStream inputStream() throws IOException;
147
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185 public abstract String to_string();
125
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186
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187 public String read_text() throws IOException {
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188 Reader in = new InputStreamReader(inputStream());
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189 String s = Utils.readAll(in);
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190 in.close();
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191 return s;
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192 }
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193
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194 public byte[] read_binary() throws IOException {
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195 InputStream in = inputStream();
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196 byte[] a = Utils.readAll(in);
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197 in.close();
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198 return a;
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199 }
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200
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201 public LuanFunction read_lines() throws IOException {
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202 return lines(new BufferedReader(new InputStreamReader(inputStream())));
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203 }
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204
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205 public LuanFunction read_blocks(Integer blockSize) throws IOException {
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206 int n = blockSize!=null ? blockSize : Utils.bufSize;
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207 return blocks(inputStream(),n);
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208 }
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209
296
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210 public LuanFunction loader(LuanState luan,String name,LuanTable env) throws LuanException {
264
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211 try {
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212 String src = read_text();
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213 return BasicLuan.load(luan,src,name,env,false);
265
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214 } catch(FileNotFoundException e) {
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215 return null;
264
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216 } catch(IOException e) {
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217 throw luan.exception(e);
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218 }
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219 }
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220
265
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221 public boolean exists() throws IOException {
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222 try {
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223 inputStream().close();
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224 return true;
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225 } catch(FileNotFoundException e) {
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226 return false;
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227 }
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228 }
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229
125
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230 LuanTable table() {
221
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231 LuanTable tbl = Luan.newTable();
125
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232 try {
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233 tbl.put( "to_string", new LuanJavaFunction(
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234 LuanIn.class.getMethod( "to_string" ), this
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235 ) );
125
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236 tbl.put( "read_text", new LuanJavaFunction(
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237 LuanIn.class.getMethod( "read_text" ), this
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238 ) );
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239 tbl.put( "read_binary", new LuanJavaFunction(
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240 LuanIn.class.getMethod( "read_binary" ), this
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241 ) );
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242 tbl.put( "read_lines", new LuanJavaFunction(
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243 LuanIn.class.getMethod( "read_lines" ), this
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244 ) );
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245 tbl.put( "read_blocks", new LuanJavaFunction(
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246 LuanIn.class.getMethod( "read_blocks", Integer.class ), this
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247 ) );
264
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248 tbl.put( "loader", new LuanJavaFunction(
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249 LuanIn.class.getMethod( "loader", LuanState.class, String.class, LuanTable.class ), this
264
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250 ) );
265
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251 tbl.put( "exists", new LuanJavaFunction(
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252 LuanIn.class.getMethod( "exists" ), this
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253 ) );
125
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254 } catch(NoSuchMethodException e) {
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255 throw new RuntimeException(e);
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256 }
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257 return tbl;
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258 }
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259 }
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260
264
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261 static final LuanIn stdin = new LuanIn() {
261
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262
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263 @Override InputStream inputStream() {
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264 return System.in;
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265 }
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266
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267 @Override public String to_string() {
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268 return "<stdin>";
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269 }
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270
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271 @Override public String read_text() throws IOException {
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272 return Utils.readAll(new InputStreamReader(System.in));
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273 }
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274
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275 @Override public byte[] read_binary() throws IOException {
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276 return Utils.readAll(System.in);
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277 }
265
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278
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279 @Override public boolean exists() {
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280 return true;
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281 }
261
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282 };
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283
125
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284 public static abstract class LuanIO extends LuanIn {
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285 abstract OutputStream outputStream() throws IOException;
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286
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287 public void write(LuanState luan,Object obj) throws LuanException, IOException {
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288 if( obj instanceof String ) {
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289 String s = (String)obj;
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290 Writer out = new OutputStreamWriter(outputStream());
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291 out.write(s);
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292 out.close();
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293 return;
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294 }
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295 if( obj instanceof byte[] ) {
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296 byte[] a = (byte[])obj;
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297 OutputStream out = outputStream();
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298 Utils.copyAll(new ByteArrayInputStream(a),out);
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299 out.close();
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300 return;
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301 }
130
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302 throw luan.exception( "bad argument #1 to 'write' (string or binary expected)" );
125
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303 }
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304
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305 public LuanTable text_writer() throws IOException {
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306 return textWriter(new BufferedWriter(new OutputStreamWriter(outputStream())));
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307 }
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308
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309 public LuanTable binary_writer() throws IOException {
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310 return binaryWriter(new BufferedOutputStream(outputStream()));
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311 }
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diff changeset
312
129
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diff changeset
313 @Override LuanTable table() {
125
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314 LuanTable tbl = super.table();
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diff changeset
315 try {
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316 tbl.put( "write", new LuanJavaFunction(
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317 LuanIO.class.getMethod( "write", LuanState.class, Object.class ), this
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318 ) );
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diff changeset
319 tbl.put( "text_writer", new LuanJavaFunction(
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diff changeset
320 LuanIO.class.getMethod( "text_writer" ), this
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parents: 124
diff changeset
321 ) );
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diff changeset
322 tbl.put( "binary_writer", new LuanJavaFunction(
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diff changeset
323 LuanIO.class.getMethod( "binary_writer" ), this
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parents: 124
diff changeset
324 ) );
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diff changeset
325 } catch(NoSuchMethodException e) {
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326 throw new RuntimeException(e);
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327 }
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diff changeset
328 return tbl;
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329 }
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330 }
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331
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diff changeset
332 public static final class LuanUrl extends LuanIn {
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333 private final URL url;
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parents: 124
diff changeset
334
263
54873a389f80 add "http" and "https" protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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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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diff changeset
338
144
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diff changeset
339 @Override InputStream inputStream() throws IOException {
125
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340 return url.openStream();
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341 }
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parents: 124
diff changeset
342
147
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diff changeset
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
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parents: 281
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351 @Override LuanTable table() {
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352 LuanTable tbl = super.table();
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parents: 281
diff changeset
353 try {
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354 tbl.put( "post", new LuanJavaFunction(
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parents: 281
diff changeset
355 LuanUrl.class.getMethod( "post", String.class ), this
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 281
diff changeset
356 ) );
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parents: 281
diff changeset
357 } catch(NoSuchMethodException e) {
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358 throw new RuntimeException(e);
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359 }
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diff changeset
360 return tbl;
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diff changeset
361 }
125
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diff changeset
362 }
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parents: 124
diff changeset
363
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diff changeset
364 public static final class LuanFile extends LuanIO {
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365 private final File file;
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diff changeset
366
203
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diff changeset
367 private LuanFile(LuanState luan,File file) throws LuanException {
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diff changeset
368 this(file);
277
8ac3eaf8ecd9 fix security
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diff changeset
369 check(luan,"file",file.toString());
145
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diff changeset
370 }
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parents: 144
diff changeset
371
202
75750ceb45ee add LuanState.registry
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diff changeset
372 private LuanFile(File file) {
145
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diff changeset
373 this.file = file;
125
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diff changeset
374 }
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parents: 124
diff changeset
375
144
2e92f0a6fcac add Reactionary.luan
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diff changeset
376 @Override InputStream inputStream() throws IOException {
125
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diff changeset
377 return new FileInputStream(file);
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parents: 124
diff changeset
378 }
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parents: 124
diff changeset
379
144
2e92f0a6fcac add Reactionary.luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
380 @Override OutputStream outputStream() throws IOException {
125
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diff changeset
381 return new FileOutputStream(file);
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parents: 124
diff changeset
382 }
143
fcb81fa2df0d handle urls and java resources as files
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parents: 142
diff changeset
383
147
cc3a0578edac fix Io.reverse_pickle
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 145
diff changeset
384 @Override public String to_string() {
143
fcb81fa2df0d handle urls and java resources as files
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diff changeset
385 return file.toString();
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parents: 142
diff changeset
386 }
145
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parents: 144
diff changeset
387
203
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diff changeset
388 public LuanTable child(LuanState luan,String name) throws LuanException {
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diff changeset
389 return new LuanFile(luan,new File(file,name)).table();
164
78ba371ea1e9 merge Os.File into Io.File and remove Os
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parents: 147
diff changeset
390 }
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parents: 147
diff changeset
391
203
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parents: 202
diff changeset
392 public LuanTable children(LuanState luan) throws LuanException {
164
78ba371ea1e9 merge Os.File into Io.File and remove Os
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parents: 147
diff changeset
393 File[] files = file.listFiles();
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parents: 147
diff changeset
394 if( files==null )
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parents: 147
diff changeset
395 return null;
221
ec016471c6eb make LuanTable an interface
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 220
diff changeset
396 LuanTable list = Luan.newTable();
164
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parents: 147
diff changeset
397 for( File f : files ) {
203
99eef1d0e706 IO security
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diff changeset
398 list.add(new LuanFile(luan,f).table());
164
78ba371ea1e9 merge Os.File into Io.File and remove Os
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parents: 147
diff changeset
399 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
400 return list;
78ba371ea1e9 merge Os.File into Io.File and remove Os
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parents: 147
diff changeset
401 }
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parents: 147
diff changeset
402
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
403 @Override public boolean exists() {
237
97d175772fed implement mmake
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parents: 221
diff changeset
404 return file.exists();
145
90f38a5d0e0a add Os.File
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parents: 144
diff changeset
405 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
406
293
a50e88d3547c add Web_server.init();
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 283
diff changeset
407 public boolean rename_to(String dest) {
a50e88d3547c add Web_server.init();
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 283
diff changeset
408 return file.renameTo(new File(dest));
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 283
diff changeset
409 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 283
diff changeset
410
145
90f38a5d0e0a add Os.File
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
411 @Override LuanTable table() {
90f38a5d0e0a add Os.File
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
412 LuanTable tbl = super.table();
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
413 try {
164
78ba371ea1e9 merge Os.File into Io.File and remove Os
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parents: 147
diff changeset
414 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
415 File.class.getMethod( "getName" ), file
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 147
diff changeset
416 ) );
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
417 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
418 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
419 ) );
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
420 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
421 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
422 ) );
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
423 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
424 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
425 ) );
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 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
427 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
428 ) );
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 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
430 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
431 ) );
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 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
433 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
434 ) );
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 tbl.put( "child", new LuanJavaFunction(
203
99eef1d0e706 IO security
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 202
diff changeset
436 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
437 ) );
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 tbl.put( "children", new LuanJavaFunction(
203
99eef1d0e706 IO security
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 202
diff changeset
439 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
440 ) );
293
a50e88d3547c add Web_server.init();
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 283
diff changeset
441 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
442 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
443 ) );
145
90f38a5d0e0a add Os.File
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
444 } catch(NoSuchMethodException e) {
90f38a5d0e0a add Os.File
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
445 throw new RuntimeException(e);
90f38a5d0e0a add Os.File
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
446 }
90f38a5d0e0a add Os.File
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
447 return tbl;
90f38a5d0e0a add Os.File
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 144
diff changeset
448 }
125
0cd559a16758 add sockets
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 124
diff changeset
449 }
0cd559a16758 add sockets
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 124
diff changeset
450
264
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
451 public static LuanTable file(LuanState luan,String name,Boolean loading) throws LuanException {
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
452 if( Boolean.TRUE.equals(loading) )
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
453 name += ".luan";
260
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
454 File file = new File(name);
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
455 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
456 }
fcb81fa2df0d handle urls and java resources as files
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 142
diff changeset
457
264
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
458 public static LuanTable classpath(LuanState luan,String name,Boolean loading) throws LuanException {
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
459 if( name.contains("//") )
260
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
460 return null;
264
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
461 String path = name;
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
462 boolean isLoading = Boolean.TRUE.equals(loading);
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
463 if( isLoading )
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
464 path += ".luan";
277
8ac3eaf8ecd9 fix security
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 272
diff changeset
465 check(luan,"classpath",path);
260
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
466 URL url;
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
467 if( !path.contains("#") ) {
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
468 url = ClassLoader.getSystemResource(path);
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
469 } else {
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
470 String[] a = path.split("#");
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
471 url = ClassLoader.getSystemResource(a[0]);
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
472 if( url==null ) {
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
473 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
474 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
475 if( url != null ) {
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
476 try {
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
477 url = new URL(url,".");
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
478 } catch(MalformedURLException e) {
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
479 throw new RuntimeException(e);
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
480 }
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
481 break;
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
482 }
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
483 }
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
484 }
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
485 }
264
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
486 if( url != null )
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
487 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
488
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
489 // try java
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
490 if( !isLoading )
260
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
491 return null;
264
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
492 String modName = name.replace('/','.') + "Luan.LOADER";
277
8ac3eaf8ecd9 fix security
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 272
diff changeset
493 // check(luan,"classpath",modName);
264
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
494 try {
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
495 //System.out.println("modName = "+modName);
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
496 final LuanFunction fn = PackageLuan.load_lib(luan,modName); // throws exception if not found
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
497 LuanFunction loader = new LuanFunction() {
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
498 @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
499 return fn;
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
500 }
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
501 };
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
502 LuanTable tbl = Luan.newTable();
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
503 tbl.put( "loader", loader );
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
504 return tbl;
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
505 } catch(ClassNotFoundException e) {
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
506 } catch(NoSuchFieldException e) {
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
507 } catch(IllegalAccessException e) {
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
508 }
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
509 return null;
260
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
510 }
f1f7d8c7e94e add Io.protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 237
diff changeset
511
264
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
512 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
513 if( Boolean.TRUE.equals(loading) )
9e0d4452e649 implement URL style module names
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 263
diff changeset
514 url += ".luan";
263
54873a389f80 add "http" and "https" protocols
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 262
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515 return new LuanUrl(new URL(url)).table();
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516 }
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517
264
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518 public static LuanTable http(String path,Boolean loading) throws IOException {
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519 return url("http:"+path,loading);
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520 }
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diff changeset
521
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522 public static LuanTable https(String path,Boolean loading) throws IOException {
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523 return url("https:"+path,loading);
263
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524 }
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525
272
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526 public static LuanTable java(LuanState luan,String path,Boolean loading) throws LuanException {
264
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527 if( !Boolean.TRUE.equals(loading) )
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diff changeset
528 return null;
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diff changeset
529 final LuanFunction fn = JavaLuan.javaLoader(luan,path);
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530 if( fn==null )
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diff changeset
531 return null;
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532 LuanFunction loader = new LuanFunction() {
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533 @Override public Object call(LuanState luan,Object[] args) {
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534 return fn;
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535 }
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diff changeset
536 };
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diff changeset
537 LuanTable tbl = Luan.newTable();
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diff changeset
538 tbl.put( "loader", loader );
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diff changeset
539 return tbl;
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parents: 263
diff changeset
540 }
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diff changeset
541
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diff changeset
542 public static LuanTable luan(LuanState luan,String path,Boolean loading) throws LuanException {
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543 return classpath( luan, "luan/modules/" + path, loading );
263
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diff changeset
544 }
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diff changeset
545
265
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546 public static LuanTable stdin(LuanState luan) throws LuanException {
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547 LuanTable io = (LuanTable)PackageLuan.loaded(luan).get("luan:Io");
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diff changeset
548 return (LuanTable)io.get("stdin");
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549 }
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550
272
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diff changeset
551 private static LuanTable newSchemes() {
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552 LuanTable schemes = Luan.newTable();
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diff changeset
553 try {
272
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554 add( schemes, "file", LuanState.class, String.class, Boolean.class );
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555 add( schemes, "classpath", LuanState.class, String.class, Boolean.class );
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556 add( schemes, "socket", LuanState.class, String.class );
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diff changeset
557 add( schemes, "http", String.class, Boolean.class );
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558 add( schemes, "https", String.class, Boolean.class );
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559 add( schemes, "java", LuanState.class, String.class, Boolean.class );
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diff changeset
560 add( schemes, "luan", LuanState.class, String.class, Boolean.class );
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561 add( schemes, "stdin", LuanState.class );
260
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diff changeset
562 } catch(NoSuchMethodException e) {
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diff changeset
563 throw new RuntimeException(e);
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diff changeset
564 }
272
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565 return schemes;
260
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diff changeset
566 }
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diff changeset
567
272
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diff changeset
568 private static LuanTable schemes(LuanState luan) {
264
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569 LuanTable t = (LuanTable)PackageLuan.loaded(luan).get("luan:Io");
260
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diff changeset
570 if( t == null )
272
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571 return newSchemes();
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572 t = (LuanTable)t.get("schemes");
260
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573 if( t == null )
272
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574 return newSchemes();
260
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diff changeset
575 return t;
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diff changeset
576 }
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diff changeset
577
267
1507149fc447 rename Io.get() to Io.Uri()
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diff changeset
578 public static LuanTable Uri(LuanState luan,String name,Boolean loading) throws LuanException {
260
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diff changeset
579 int i = name.indexOf(':');
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580 if( i == -1 )
272
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diff changeset
581 throw luan.exception( "invalid Io name '"+name+"', missing scheme" );
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diff changeset
582 String scheme = name.substring(0,i);
260
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diff changeset
583 String location = name.substring(i+1);
272
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diff changeset
584 LuanTable schemes = schemes(luan);
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diff changeset
585 LuanFunction opener = (LuanFunction)schemes.get(scheme);
260
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diff changeset
586 if( opener == null )
272
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diff changeset
587 throw luan.exception( "invalid scheme '"+scheme+"' in '"+name+"'" );
264
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diff changeset
588 return (LuanTable)Luan.first(luan.call(opener,"<open \""+name+"\">",new Object[]{location,loading}));
125
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diff changeset
589 }
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diff changeset
590
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parents: 124
diff changeset
591 public static final class LuanSocket extends LuanIO {
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diff changeset
592 private final Socket socket;
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parents: 124
diff changeset
593
202
75750ceb45ee add LuanState.registry
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diff changeset
594 private LuanSocket(String host,int port) throws IOException {
125
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diff changeset
595 this(new Socket(host,port));
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diff changeset
596 }
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diff changeset
597
202
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diff changeset
598 private LuanSocket(Socket socket) throws IOException {
125
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diff changeset
599 this.socket = socket;
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parents: 124
diff changeset
600 }
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diff changeset
601
144
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diff changeset
602 @Override InputStream inputStream() throws IOException {
125
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diff changeset
603 return socket.getInputStream();
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diff changeset
604 }
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diff changeset
605
144
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diff changeset
606 @Override OutputStream outputStream() throws IOException {
125
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diff changeset
607 return socket.getOutputStream();
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diff changeset
608 }
129
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diff changeset
609
147
cc3a0578edac fix Io.reverse_pickle
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diff changeset
610 @Override public String to_string() {
143
fcb81fa2df0d handle urls and java resources as files
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diff changeset
611 return socket.toString();
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612 }
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613
145
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614 public LuanTable Pickle_client(LuanState luan) throws IOException {
281
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615 InputStream in = new BufferedInputStream(inputStream());
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616 OutputStream out = new BufferedOutputStream(outputStream());
129
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617 return new PickleClient(luan,in,out).table();
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618 }
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619
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620 public void run_pickle_server(LuanState luan) throws IOException {
281
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621 InputStream in = new BufferedInputStream(inputStream());
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622 OutputStream out = new BufferedOutputStream(outputStream());
129
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623 new PickleServer(luan,in,out).run();
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624 }
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625
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626 @Override LuanTable table() {
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627 LuanTable tbl = super.table();
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628 try {
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629 tbl.put( "Pickle_client", new LuanJavaFunction(
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630 LuanSocket.class.getMethod( "Pickle_client", LuanState.class ), this
129
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631 ) );
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632 tbl.put( "run_pickle_server", new LuanJavaFunction(
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633 LuanSocket.class.getMethod( "run_pickle_server", LuanState.class ), this
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634 ) );
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635 } catch(NoSuchMethodException e) {
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636 throw new RuntimeException(e);
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637 }
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638 return tbl;
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639 }
125
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640 }
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641
262
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642 public static LuanTable socket(LuanState luan,String name) throws LuanException, IOException {
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643 int i = name.indexOf(':');
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644 if( i == -1 )
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645 throw luan.exception( "invalid socket '"+name+"', format is: <host>:<port>" );
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646 String host = name.substring(0,i);
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647 String portStr = name.substring(i+1);
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648 int port = Integer.parseInt(portStr);
125
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649 return new LuanSocket(host,port).table();
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650 }
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651
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652 public static LuanFunction socket_server(int port) throws IOException {
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653 final ServerSocket ss = new ServerSocket(port);
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654 return new LuanFunction() {
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655 @Override public Object call(LuanState luan,Object[] args) throws LuanException {
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656 try {
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657 if( args.length > 0 ) {
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658 if( args.length > 1 || !"close".equals(args[0]) )
130
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659 throw luan.exception( "the only argument allowed is 'close'" );
125
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660 ss.close();
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661 return null;
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662 }
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663 return new LuanSocket(ss.accept()).table();
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664 } catch(IOException e) {
130
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665 throw luan.exception(e);
125
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666 }
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667 }
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668 };
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669 }
136
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670
203
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671
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672 // security
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673
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674 public interface Security {
277
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675 public void check(LuanState luan,String scheme,String name) throws LuanException;
203
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676 }
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677
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678 private static String SECURITY_KEY = "Io.Security";
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679
277
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680 private static void check(LuanState luan,String scheme,String name) throws LuanException {
204
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681 Security s = (Security)luan.registry().get(SECURITY_KEY);
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682 if( s!=null )
277
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683 s.check(luan,scheme,name);
203
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684 }
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685
204
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686 public static void setSecurity(LuanState luan,Security s) {
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687 luan.registry().put(SECURITY_KEY,s);
203
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688 }
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689
168
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690 private void IoLuan() {} // never
115
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691 }