author | wenzelm |
Tue, 21 Oct 2008 22:28:58 +0200 | |
changeset 34337 | 5d5b69f2956b |
parent 34319 | eaac45c45348 |
child 34363 | 0fec381fb51e |
permissions | -rw-r--r-- |
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1 |
package isabelle.jedit |
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import java.io.InputStream |
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import java.io.OutputStream |
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import java.io.ByteArrayInputStream |
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import java.io.ByteArrayOutputStream |
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import java.io.InputStreamReader |
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import java.awt.Component |
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import isabelle.Symbol.Interpretation |
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import org.gjt.sp.jedit.Buffer |
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import org.gjt.sp.jedit.View |
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import org.gjt.sp.jedit.io |
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import org.gjt.sp.jedit.io.VFSFile |
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import org.gjt.sp.jedit.io.VFSManager |
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object VFS { |
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val converter = new Interpretation() |
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val BUFFER_SIZE = 1024 |
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def inputConverter(in : InputStream) = { |
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val reader = new InputStreamReader(in, "UTF-8") |
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val buffer = new StringBuffer() |
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val array = new Array[Char](BUFFER_SIZE) |
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var finished = false |
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while (! finished) { |
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val length = reader.read(array, 0, array.length) |
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if (length == -1) |
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finished = true |
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else |
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buffer.append(array, 0, length) |
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} |
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val str = converter.decode(buffer.toString()) |
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new ByteArrayInputStream(str.getBytes()) |
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} |
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class OutputConverter(out : OutputStream) extends ByteArrayOutputStream { |
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override def close() { |
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out.write(converter.encode(new String(buf, 0, count)).getBytes()) |
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out.close() |
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} |
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} |
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def mapFile(vfs : VFS, base : VFSFile) = |
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if (base == null) null else new File(vfs, base) |
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class File(vfs : VFS, base : VFSFile) extends VFSFile { |
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override def getColor() = |
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base.getColor() |
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override def getDeletePath() = |
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base.getDeletePath() |
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override def getExtendedAttribute(name : String) = |
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base.getExtendedAttribute(name) |
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override def getIcon(expanded : Boolean, openBuffer : Boolean) = |
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base.getIcon(expanded, openBuffer) |
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override def getLength() = |
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base.getLength() |
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override def getName() = |
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base.getName() |
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override def getPath() = |
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Plugin.VFS_PREFIX + base.getPath() |
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override def getSymlinkPath() = |
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base.getSymlinkPath() |
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override def getType() = |
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base.getType() |
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override def getVFS() = |
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vfs |
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override def isBinary(session : Object) = |
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base.isBinary(session) |
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override def isHidden() = |
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base.isHidden() |
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override def isReadable() = |
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base.isReadable() |
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override def isWriteable() = |
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base.isWriteable() |
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override def setDeletePath(path : String) = |
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96 |
base.setDeletePath(path) |
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97 |
|
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98 |
override def setHidden(hidden : Boolean) = |
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99 |
base.setHidden(hidden) |
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100 |
|
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101 |
override def setLength(length : Long) = |
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102 |
base.setLength(length) |
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103 |
|
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104 |
override def setName(name : String) = |
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105 |
base.setName(name) |
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106 |
|
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107 |
override def setPath(path : String) = |
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108 |
base.setPath(path) |
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109 |
|
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110 |
override def setReadable(readable : Boolean) = |
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111 |
base.setReadable(readable) |
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112 |
|
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113 |
override def setWriteable(writeable : Boolean) = |
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114 |
base.setWriteable(writeable) |
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115 |
|
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116 |
override def setSymlinkPath(symlinkPath : String) = |
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117 |
base.setSymlinkPath(symlinkPath) |
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118 |
|
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119 |
override def setType(fType : Int) = |
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120 |
base.setType(fType) |
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121 |
} |
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122 |
|
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123 |
} |
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124 |
|
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125 |
/** |
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126 |
* The Isabelle virtual file system for jEdit. |
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127 |
* |
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128 |
* This filesystem passes every operation on to FileVFS. Just the read and write |
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129 |
* operations are overwritten to convert the xsymbols to unicode on read and |
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130 |
* unicode to xsymbols on write. |
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131 |
* |
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132 |
* @author Johannes Hölzl <hoelzl@in.tum.de> |
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133 |
*/ |
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134 |
class VFS extends io.VFS("isabelle", VFSManager.getVFSForProtocol("file").getCapabilities()) { |
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135 |
private var baseVFS = VFSManager.getVFSForProtocol("file") |
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136 |
|
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137 |
private def cutPath(path : String) = |
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138 |
if (path.startsWith(Plugin.VFS_PREFIX)) path.substring(Plugin.VFS_PREFIX.length) else path |
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139 |
|
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140 |
override def createVFSSession(path : String, comp : Component) = |
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141 |
baseVFS.createVFSSession(cutPath(path), comp) |
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142 |
|
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143 |
override def getCapabilities() = |
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144 |
baseVFS.getCapabilities() |
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145 |
|
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146 |
override def getExtendedAttributes() = |
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147 |
baseVFS.getExtendedAttributes() |
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148 |
|
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149 |
override def getParentOfPath(path : String) = |
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150 |
Plugin.VFS_PREFIX + baseVFS.getParentOfPath(cutPath(path)) |
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151 |
|
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152 |
override def constructPath(parent : String, path : String) = |
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153 |
Plugin.VFS_PREFIX + baseVFS.constructPath(cutPath(parent), path) |
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154 |
|
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155 |
override def getFileName(path : String) = |
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156 |
baseVFS.getFileName(path) |
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157 |
|
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158 |
override def getFileSeparator() = |
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159 |
baseVFS.getFileSeparator() |
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160 |
|
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161 |
override def getTwoStageSaveName(path : String) = |
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162 |
Plugin.VFS_PREFIX + baseVFS.getTwoStageSaveName(cutPath(path)) |
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163 |
|
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164 |
override def _canonPath(session : Object, path : String, comp : Component) = |
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165 |
Plugin.VFS_PREFIX + baseVFS._canonPath(session, cutPath(path), comp) |
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166 |
|
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167 |
override def _createInputStream(session : Object, path : String, |
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168 |
ignoreErrors : Boolean, comp : Component) = |
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|
169 |
VFS.inputConverter(baseVFS._createInputStream(session, cutPath(path), |
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170 |
ignoreErrors, comp)) |
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171 |
|
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172 |
override def _createOutputStream(session : Object, path : String, |
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173 |
comp : Component) = |
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174 |
new VFS.OutputConverter(baseVFS._createOutputStream(session, cutPath(path), comp)) |
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175 |
|
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176 |
override def _delete(session : Object, path : String, comp : Component) = |
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177 |
baseVFS._delete(session, cutPath(path), comp) |
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178 |
|
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179 |
override def _getFile(session : Object, path : String, comp : Component) = |
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180 |
VFS.mapFile(this, baseVFS._getFile(session, cutPath(path), comp)) |
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181 |
|
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override def _listFiles(session : Object, path : String, comp : Component): Array[VFSFile] = |
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183 |
(baseVFS._listFiles(session, cutPath(path), comp) |
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184 |
.map(file => VFS.mapFile(this, file))) |
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185 |
|
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186 |
override def _mkdir(session : Object, path : String, comp : Component) = |
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187 |
baseVFS._mkdir(session, cutPath(path), comp) |
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188 |
|
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189 |
override def _rename(session : Object, from : String, to : String, |
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original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
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comp : Component) = |
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original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
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baseVFS._rename(session, cutPath(from), cutPath(to), comp) |
c13e168a8ae6
original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
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192 |
|
c13e168a8ae6
original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
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193 |
override def _backup(session : Object, path : String, comp : Component) = |
c13e168a8ae6
original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
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194 |
baseVFS._backup(session, cutPath(path), comp); |
c13e168a8ae6
original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
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195 |
|
c13e168a8ae6
original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
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override def _saveComplete(session : Object, buffer : Buffer, path : String, |
c13e168a8ae6
original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
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197 |
comp : Component) = |
c13e168a8ae6
original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
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198 |
baseVFS._saveComplete(session, buffer, cutPath(path), comp) |
c13e168a8ae6
original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
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199 |
} |