public static string CallScriptInterpreter(ScriptInterpreterItem scriptInterpreter, string scriptFileFullPath, string inputText)
{
string programFullPath = ReplaceVariables(scriptInterpreter.ExecutableProgram, scriptFileFullPath);
if (!File.Exists(programFullPath))
{
throw new Exception(String.Format(I18n._("Executable program \"{0}\" does not exist"), programFullPath));
}
string programArguments = ReplaceVariables(scriptInterpreter.CommandLineArguments, scriptFileFullPath);
ScriptFileEmbeddedConfig scriptFileEmbeddedConfig = ParseScriptFileEmbeddedConfig(scriptFileFullPath);
EncodingType inputEncodingType = StringUtil.GetEfficientEncodingType(scriptInterpreter.InputEncoding, scriptFileEmbeddedConfig.InputEncoding,
"inputEncoding");
EncodingType outputEncodingType = StringUtil.GetEfficientEncodingType(scriptInterpreter.OutputEncoding, scriptFileEmbeddedConfig.OutputEncoding,
"outputEncoding");
Process process = new Process();
process.StartInfo.FileName = programFullPath;
process.StartInfo.Arguments = programArguments;
process.StartInfo.CreateNoWindow = true;
process.StartInfo.UseShellExecute = false;
process.StartInfo.RedirectStandardInput = true;
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.RedirectStandardError = true;
if (scriptInterpreter.SetPath != null)
{
string environmentVariablePath = ReplaceVariables(scriptInterpreter.SetPath, scriptFileFullPath);
process.StartInfo.EnvironmentVariables["PATH"] = environmentVariablePath;
}
int timeout = 3000;
StringBuilder rawOutputStringBuilder = new StringBuilder();
AutoResetEvent outputWaitHandle = new AutoResetEvent(false);
AutoResetEvent errorWaitHandle = new AutoResetEvent(false);
process.OutputDataReceived += (sender, e) =>
{
if (e.Data == null)
{
outputWaitHandle.Set();
}
else
{
lock (rawOutputStringBuilder)
{
rawOutputStringBuilder.AppendLine(e.Data);
}
}
};
process.ErrorDataReceived += (sender, e) =>
{
if (e.Data == null)
{
errorWaitHandle.Set();
}
else
{
lock (rawOutputStringBuilder)
{
rawOutputStringBuilder.AppendLine(e.Data);
}
}
};
string stdinString = StringUtil.Encode(inputText, inputEncodingType);
process.Start();
process.StandardInput.Write(stdinString);
process.StandardInput.Close();
process.BeginOutputReadLine();
process.BeginErrorReadLine();
if (process.WaitForExit(timeout) &&
outputWaitHandle.WaitOne(timeout) &&
errorWaitHandle.WaitOne(timeout))
{
// Process completed. Check process.ExitCode here.
}
else
{
// Timed out.
}
if (!process.HasExited)
{
process.Kill();
}
string outputText = StringUtil.Decode(rawOutputStringBuilder.ToString(), outputEncodingType);
return(outputText);
}
private static ScriptFileEmbeddedConfig ParseScriptFileEmbeddedConfig(string scriptFileFullPath)
{
ScriptFileEmbeddedConfig result = new ScriptFileEmbeddedConfig();
// File encoding detect code from http://blog.wudilabs.org/entry/d216f2df/
bool isUtf8 = true;
string headText;
using (FileStream stream = new FileStream(scriptFileFullPath, FileMode.Open, FileAccess.Read,
FileShare.Read, 8192, FileOptions.SequentialScan))
{
long length = Math.Min(stream.Length, 8192);
byte[] bytes = new byte[length];
byte first;
long pos = 0;
while (pos < length)
{
first = bytes[pos++] = (byte)stream.ReadByte();
if (first < 192)
{
}
else if (first < 224)
{
if ((length - pos > 1) &&
(bytes[pos++] = (byte)stream.ReadByte()) < 128)
{
isUtf8 = false;
break;
}
}
else if (first < 240)
{
if ((length - pos > 2) &&
!((bytes[pos++] = (byte)stream.ReadByte()) > 127 &&
(bytes[pos++] = (byte)stream.ReadByte()) > 127))
{
isUtf8 = false;
break;
}
}
else
{
if ((length - pos > 3) &&
!((bytes[pos++] = (byte)stream.ReadByte()) > 127 &&
(bytes[pos++] = (byte)stream.ReadByte()) > 127 &&
(bytes[pos++] = (byte)stream.ReadByte()) > 127))
{
isUtf8 = false;
break;
}
}
}
headText = isUtf8 ? Encoding.UTF8.GetString(bytes) : Encoding.Default.GetString(bytes);
}
headText = headText.Replace("\r\n", "\n").Replace("\r", "");
int iniSectionLinePos = headText.IndexOf("\n[ClipboardAutoProcessor]\n");
if (iniSectionLinePos == -1)
{
if (headText.IndexOf("[ClipboardAutoProcessor]\n") == 0)
{
iniSectionLinePos = 0;
}
}
else
{
iniSectionLinePos++; // skip leading '\n'
}
if (iniSectionLinePos == -1)
{
return(result);
}
StringBuilder embeddedIniStringBuilder = new StringBuilder();
string[] lines = headText.Substring(iniSectionLinePos).Split('\n');
for (int i = 0; i < lines.Length; i++)
{
string line = lines[i].Trim();
if (line.Length == 0)
{
break;
}
char firstChar = line[0];
if ((firstChar != '[') &&
(firstChar != '#') &&
!char.IsLetter(firstChar))
{
break;
}
embeddedIniStringBuilder.AppendLine(line);
}
if (lines.Length == 0)
{
return(result);
}
IniOptions iniOptions = new IniOptions()
{
Encoding = isUtf8 ? Encoding.UTF8 : Encoding.Default,
KeySpaceAroundDelimiter = true,
CommentStarter = IniCommentStarter.Hash // to prevent MadMilkman.Ini from treating value after semicolon as comment
};
IniFile iniFile = new IniFile(iniOptions);
iniFile.Load(new StringReader(embeddedIniStringBuilder.ToString()));
result.InputEncoding = iniFile.Sections["ClipboardAutoProcessor"]?.Keys["inputEncoding"]?.Value;
result.OutputEncoding = iniFile.Sections["ClipboardAutoProcessor"]?.Keys["outputEncoding"]?.Value;
return(result);
}
