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Moving corlib files out of "System" directory into root

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This commit is contained in:
Brian Fiete 2019-09-19 05:46:35 -07:00
parent 4cd58262e4
commit 7dbfd15292
179 changed files with 3 additions and 0 deletions
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173
BeefLibs/corlib/src/IO/File.bf Normal file
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using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
namespace System.IO
{
public enum FileOpenError
{
NotFound,
NotFile,
Unknown,
SharingViolation
}
public enum FileReadError
{
Unknown
}
public enum FileError
{
case FileOpenError(FileOpenError);
case FileReadError(FileReadError);
}
class File
{
public static Result<void, FileError> ReadAllText(StringView path, String outText, bool preserveLineEnding = false)
{
StreamReader sr = scope StreamReader();
if (sr.Open(path) case .Err(let err))
return .Err(.FileOpenError(err));
if (sr.ReadToEnd(outText) case .Err)
return .Err(.FileReadError(.Unknown));
if (!preserveLineEnding)
{
if (Environment.NewLine.Length > 1)
outText.Replace("\r", "");
}
return .Ok;
}
public static Result<void> WriteAllText(StringView path, StringView text, bool doAppend = false)
{
FileStream fs = scope FileStream();
var result = fs.Open(path, doAppend ? .Append : .Create, .Write);
if (result case .Err)
return .Err;
fs.TryWrite(.((uint8*)text.Ptr, text.Length));
return .Ok;
}
public static Result<void> WriteAllText(StringView path, StringView text, Encoding encoding)
{
FileStream fs = scope FileStream();
int len = encoding.GetEncodedSize(text);
uint8* data = new uint8[len]*;
defer delete data;
int actualLen = encoding.Encode(text, .(data, len));
Debug.Assert(len == actualLen);
if (len != actualLen)
return .Err;
var result = fs.Open(path, .Create, .Write);
if (result case .Err)
return .Err;
fs.TryWrite(.(data, len));
return .Ok;
}
public static Result<void> WriteAllLines(StringView path, IEnumerator<StringView> enumerator)
{
String strBuf = scope String();
for (var str in enumerator)
{
strBuf.Append(str);
strBuf.Append(Environment.NewLine);
}
return WriteAllText(path, strBuf);
}
public static Result<void> WriteAllLines(StringView path, IEnumerator<String> enumerator)
{
String strBuf = scope String();
for (var str in enumerator)
{
strBuf.Append(str);
strBuf.Append(Environment.NewLine);
}
return WriteAllText(path, strBuf);
}
/*public static Result<IEnumerator<Result<String>>> ReadLines(String fileName)
{
ThrowUnimplemented();
return (IEnumerator<Result<String>>)null;
}*/
static extern bool Exists(char8* fileName);
public static bool Exists(StringView fileName)
{
return Exists(fileName.ToScopeCStr!());
}
public static Result<void, Platform.BfpFileResult> Delete(StringView fileName)
{
Platform.BfpFileResult result = default;
Platform.BfpFile_Delete(fileName.ToScopeCStr!(), &result);
if ((result != .Ok) && (result != .NotFound))
return .Err(result);
return .Ok;
}
public static Result<void, Platform.BfpFileResult> Move(StringView fromPath, StringView toPath)
{
Platform.BfpFileResult result = default;
Platform.BfpFile_Rename(fromPath.ToScopeCStr!(), toPath.ToScopeCStr!(), &result);
if (result != .Ok)
return .Err(result);
return .Ok;
}
public static Result<void, Platform.BfpFileResult> Copy(StringView fromPath, StringView toPath)
{
Platform.BfpFileResult result = default;
Platform.BfpFile_Copy(fromPath.ToScopeCStr!(), toPath.ToScopeCStr!(), .Always, &result);
if (result != .Ok)
return .Err(result);
return .Ok;
}
public static Result<void, Platform.BfpFileResult> CopyIfNewer(StringView fromPath, StringView toPath)
{
Platform.BfpFileResult result = default;
Platform.BfpFile_Copy(fromPath.ToScopeCStr!(), toPath.ToScopeCStr!(), .IfNewer, &result);
if (result != .Ok)
return .Err(result);
return .Ok;
}
public static Result<void, Platform.BfpFileResult> Copy(StringView fromPath, StringView toPath, bool overwrite)
{
Platform.BfpFileResult result = default;
Platform.BfpFile_Copy(fromPath.ToScopeCStr!(), toPath.ToScopeCStr!(), overwrite ? .Always : .IfNotExists, &result);
if (result != .Ok)
return .Err(result);
return .Ok;
}
public static Result<void, Platform.BfpFileResult> SetAttributes(StringView path, FileAttributes attr)
{
Platform.BfpFileResult result = default;
Platform.BfpFile_SetAttributes(path.ToScopeCStr!(), (Platform.BfpFileAttributes)attr, &result);
if (result != .Ok)
return .Err(result);
return .Ok;
}
public static Result<DateTime> GetLastWriteTime(StringView fullPath)
{
return DateTime.FromFileTime((int64)Platform.BfpFile_GetTime_LastWrite(fullPath.ToScopeCStr!()));
}
public static Result<DateTime> GetLastWriteTimeUtc(StringView fullPath)
{
return DateTime.FromFileTimeUtc((int64)Platform.BfpFile_GetTime_LastWrite(fullPath.ToScopeCStr!()));
}
}
}