/// <summary>
/// Searches file in load directories and then appends extensions.
/// </summary>
private ResolvedFile FindFile(string /*!*/ path, bool appendExtensions, string[] sourceFileExtensions)
{
Assert.NotNull(path);
bool isAbsolutePath;
#if SILVERLIGHT
{
#else
if (path.StartsWith("~/", StringComparison.Ordinal) || path.StartsWith("~\\", StringComparison.Ordinal))
{
path = RubyUtils.ExpandPath(_context.Platform, path);
isAbsolutePath = true;
}
else
{
#endif
try {
isAbsolutePath = Platform.IsAbsolutePath(path);
} catch (ArgumentException e) {
throw RubyExceptions.CreateLoadError(e);
}
}
string extension = RubyUtils.GetExtension(path);
// Absolute path -> load paths not consulted.
if (isAbsolutePath)
{
return(ResolveFile(path, extension, appendExtensions, sourceFileExtensions));
}
string[] loadPaths = GetLoadPathStrings();
if (loadPaths.Length == 0)
{
return(null);
}
// If load paths are non-empty and the path starts with .\ or ..\ then MRI also ignores the load paths.
if (path.StartsWith("./", StringComparison.Ordinal) ||
path.StartsWith("../", StringComparison.Ordinal) ||
path.StartsWith(".\\", StringComparison.Ordinal) ||
path.StartsWith("..\\", StringComparison.Ordinal))
{
return(ResolveFile(path, extension, appendExtensions, sourceFileExtensions));
}
foreach (var dir in loadPaths)
{
ResolvedFile result = ResolveFile(RubyUtils.CombinePaths(dir, path), extension, appendExtensions, sourceFileExtensions);
if (result != null)
{
return(result);
}
}
return(null);
}
private void AddStandardLibraryPath(RubyArray /*!*/ loadPaths, string path, string applicationBaseDir)
{
#if FEATURE_FILESYSTEM
bool isFullPath;
if (path != null)
{
try {
isFullPath = Platform.IsAbsolutePath(path);
} catch {
loadPaths.Add(_context.EncodePath(path));
return;
}
}
else
{
#if DEBUG
// For developer use, add Src/StdLib
string devStdLib = "../../Src/StdLib";
if (Directory.Exists(devStdLib))
{
path = devStdLib;
}
#else
path = "../Lib";
#endif
isFullPath = false;
}
if (!isFullPath)
{
try {
if (String.IsNullOrEmpty(applicationBaseDir))
{
applicationBaseDir = _context.Platform.GetEnvironmentVariable(RubyContext.BinDirEnvironmentVariable);
if (!Directory.Exists(applicationBaseDir))
{
applicationBaseDir = AppDomain.CurrentDomain.BaseDirectory;
}
}
} catch (SecurityException) {
applicationBaseDir = null;
}
try {
path = Platform.GetFullPath(RubyUtils.CombinePaths(applicationBaseDir, path));
} catch {
loadPaths.Add(_context.EncodePath(path));
return;
}
}
path = path.Replace('\\', '/');
loadPaths.Add(_context.EncodePath(RubyUtils.CombinePaths(path, "ironruby")));
loadPaths.Add(_context.EncodePath(RubyUtils.CombinePaths(path, "ruby/site_ruby/" + _context.StandardLibraryVersion)));
loadPaths.Add(_context.EncodePath(RubyUtils.CombinePaths(path, "ruby/" + _context.StandardLibraryVersion)));
#endif
}
private void AddStandardLibraryPath(RubyArray /*!*/ loadPaths, string path, string applicationBaseDir)
{
#if !SILVERLIGHT // no library paths on Silverlight
bool isFullPath;
if (path != null)
{
try {
isFullPath = Platform.IsAbsolutePath(path);
} catch {
loadPaths.Add(_context.EncodePath(path));
return;
}
}
else
{
path = "../Lib";
isFullPath = false;
}
if (!isFullPath)
{
try {
if (String.IsNullOrEmpty(applicationBaseDir))
{
applicationBaseDir = _context.Platform.GetEnvironmentVariable(RubyContext.BinDirEnvironmentVariable);
if (!Directory.Exists(applicationBaseDir))
{
applicationBaseDir = AppDomain.CurrentDomain.BaseDirectory;
}
}
} catch (SecurityException) {
applicationBaseDir = null;
}
try {
path = Platform.GetFullPath(RubyUtils.CombinePaths(applicationBaseDir, path));
} catch {
loadPaths.Add(_context.EncodePath(path));
return;
}
}
path = path.Replace('\\', '/');
loadPaths.Add(_context.EncodePath(RubyUtils.CombinePaths(path, "ironruby")));
loadPaths.Add(_context.EncodePath(RubyUtils.CombinePaths(path, "ruby/site_ruby/" + _context.StandardLibraryVersion)));
loadPaths.Add(_context.EncodePath(RubyUtils.CombinePaths(path, "ruby/" + _context.StandardLibraryVersion)));
#endif
}
private ResolvedFile FindFile(string /*!*/ path, bool appendExtensions, string[] sourceFileExtensions)
{
Assert.NotNull(path);
bool isAbsolutePath;
string extension;
string home = null;
#if !SILVERLIGHT
if (path.StartsWith("~/", StringComparison.Ordinal) || path.StartsWith("~\\", StringComparison.Ordinal))
{
try {
home = Environment.GetEnvironmentVariable("HOME");
} catch (SecurityException) {
home = null;
}
if (home == null)
{
throw RubyExceptions.CreateArgumentError(String.Format("couldn't find HOME environment -- expanding `{0}'", path));
}
}
#endif
try {
if (home != null)
{
path = RubyUtils.CombinePaths(home, path.Substring(2));
}
isAbsolutePath = Platform.IsAbsolutePath(path);
extension = RubyUtils.GetExtension(path);
} catch (ArgumentException e) {
throw RubyExceptions.CreateLoadError(e);
}
// Absolute path -> load paths not consulted.
if (isAbsolutePath)
{
return(ResolveFile(path, extension, appendExtensions, sourceFileExtensions));
}
string[] loadPaths = GetLoadPathStrings();
if (loadPaths.Length == 0)
{
return(null);
}
// If load paths are non-empty and the path starts with .\ or ..\ then MRI also ignores the load paths.
if (path.StartsWith("./", StringComparison.Ordinal) ||
path.StartsWith("../", StringComparison.Ordinal) ||
path.StartsWith(".\\", StringComparison.Ordinal) ||
path.StartsWith("..\\", StringComparison.Ordinal))
{
return(ResolveFile(path, extension, appendExtensions, sourceFileExtensions));
}
foreach (var dir in loadPaths)
{
try {
ResolvedFile result = ResolveFile(RubyUtils.CombinePaths(dir, path), extension, appendExtensions, sourceFileExtensions);
if (result != null)
{
return(result);
}
} catch (ArgumentException) {
// invalid characters in path
}
}
return(null);
}