protected LoadServiceResource tryResourceAsIs(String namePlusSuffix) throws RaiseException {
LoadServiceResource foundResource = null;
try {
if (!Ruby.isSecurityRestricted()) {
String reportedPath = namePlusSuffix;
File actualPath;
// we check length == 0 for 'load', which does not use load path
if (new File(reportedPath).isAbsolute()) {
// it's an absolute path, use it as-is
actualPath =
new File(RubyFile.expandUserPath(runtime.getCurrentContext(), namePlusSuffix));
} else {
// prepend ./ if . is not already there, since we're loading based on CWD
if (reportedPath.charAt(0) == '.' && reportedPath.charAt(1) == '/') {
reportedPath = reportedPath.replaceFirst("\\./", runtime.getCurrentDirectory());
}
actualPath =
JRubyFile.create(
runtime.getCurrentDirectory(),
RubyFile.expandUserPath(runtime.getCurrentContext(), namePlusSuffix));
}
debugLogTry("resourceAsIs", actualPath.toString());
if (actualPath.isFile() && actualPath.canRead()) {
foundResource = new LoadServiceResource(actualPath, reportedPath);
debugLogFound(foundResource);
}
}
} catch (SecurityException secEx) {
}
return foundResource;
}
protected LoadServiceResource tryResourceFromCWD(
SearchState state, String baseName, SuffixType suffixType) throws RaiseException {
LoadServiceResource foundResource = null;
for (String suffix : suffixType.getSuffixes()) {
String namePlusSuffix = baseName + suffix;
// check current directory; if file exists, retrieve URL and return resource
try {
JRubyFile file =
JRubyFile.create(
runtime.getCurrentDirectory(),
RubyFile.expandUserPath(runtime.getCurrentContext(), namePlusSuffix));
debugLogTry("resourceFromCWD", file.toString());
if (file.isFile() && file.isAbsolute() && file.canRead()) {
boolean absolute = true;
String s = namePlusSuffix;
if (!namePlusSuffix.startsWith("./")) {
s = "./" + s;
}
foundResource = new LoadServiceResource(file, s, absolute);
debugLogFound(foundResource);
state.loadName = resolveLoadName(foundResource, namePlusSuffix);
break;
}
} catch (IllegalArgumentException illArgEx) {
} catch (SecurityException secEx) {
}
}
return foundResource;
}
protected String canonicalizePath(String path) {
try {
String cwd = new File(runtime.getCurrentDirectory()).getCanonicalPath();
return new File(path).getCanonicalPath().substring(cwd.length() + 1).replaceAll("\\\\", "/");
} catch (Exception e) {
return path;
}
}
public static Stream fopen(Ruby runtime, String path, ModeFlags modes)
throws FileNotFoundException, DirectoryAsFileException, FileExistsException, IOException,
InvalidValueException, PipeException, BadDescriptorException {
ChannelDescriptor descriptor =
ChannelDescriptor.open(
runtime.getCurrentDirectory(), path, modes, runtime.getClassLoader());
Stream stream = fdopen(runtime, descriptor, modes);
return stream;
}
public synchronized void freopen(Ruby runtime, String path, ModeFlags modes)
throws DirectoryAsFileException, IOException, InvalidValueException, PipeException,
BadDescriptorException {
// flush first
flushWrite();
// reset buffer
buffer.clear();
if (reading) {
buffer.flip();
}
this.modes = modes;
if (descriptor.isOpen()) {
descriptor.close();
}
if (path.equals("/dev/null") || path.equalsIgnoreCase("nul:") || path.equalsIgnoreCase("nul")) {
descriptor = descriptor.reopen(new NullChannel(), modes);
} else {
String cwd = runtime.getCurrentDirectory();
JRubyFile theFile = JRubyFile.create(cwd, path);
if (theFile.isDirectory() && modes.isWritable()) throw new DirectoryAsFileException();
if (modes.isCreate()) {
if (theFile.exists() && modes.isExclusive()) {
throw runtime.newErrnoEEXISTError("File exists - " + path);
}
theFile.createNewFile();
} else {
if (!theFile.exists()) {
throw runtime.newErrnoENOENTError("file not found - " + path);
}
}
// We always open this rw since we can only open it r or rw.
RandomAccessFile file = new RandomAccessFile(theFile, modes.toJavaModeString());
if (modes.isTruncate()) file.setLength(0L);
descriptor = descriptor.reopen(file, modes);
try {
if (modes.isAppendable()) lseek(0, SEEK_END);
} catch (PipeException pe) {
// ignore, it's a pipe or fifo
}
}
}
protected LoadServiceResource tryResourceFromLoadPath(String namePlusSuffix, String loadPathEntry)
throws RaiseException {
LoadServiceResource foundResource = null;
try {
if (!Ruby.isSecurityRestricted()) {
String reportedPath = loadPathEntry + "/" + namePlusSuffix;
JRubyFile actualPath;
boolean absolute = false;
// we check length == 0 for 'load', which does not use load path
if (new File(reportedPath).isAbsolute()) {
absolute = true;
// it's an absolute path, use it as-is
actualPath =
JRubyFile.create(
loadPathEntry,
RubyFile.expandUserPath(runtime.getCurrentContext(), namePlusSuffix));
} else {
absolute = false;
// prepend ./ if . is not already there, since we're loading based on CWD
if (reportedPath.charAt(0) != '.') {
reportedPath = "./" + reportedPath;
}
actualPath =
JRubyFile.create(
JRubyFile.create(runtime.getCurrentDirectory(), loadPathEntry).getAbsolutePath(),
RubyFile.expandUserPath(runtime.getCurrentContext(), namePlusSuffix));
}
debugLogTry(
"resourceFromLoadPath",
"'" + actualPath.toString() + "' " + actualPath.isFile() + " " + actualPath.canRead());
if (actualPath.isFile() && actualPath.canRead()) {
foundResource = new LoadServiceResource(actualPath, reportedPath, absolute);
debugLogFound(foundResource);
}
}
} catch (SecurityException secEx) {
}
return foundResource;
}