/// <summary>
/// Read all the text of a file in one go, same as File.ReadAllText expect it's truly a read only function
/// </summary>
public static string ReadAllText(string path, Encoding encoding = null)
{
using (var fileStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
using (var textReader = new StreamReader(fileStream, encoding ?? TextEncodingDetect.GetFileEncoding(path))) {
return(textReader.ReadToEnd());
}
}
/// <summary>
/// Returns the encoding of the input file
/// </summary>
/// <param name="srcFile"></param>
/// <returns></returns>
public static Encoding GetFileEncoding(string srcFile)
{
Encoding encoding = Encoding.Default;
if (string.IsNullOrEmpty(srcFile) || !File.Exists(srcFile))
{
return(encoding);
}
// Read in the file in binary
byte[] buffer;
try {
using (var file = new FileStream(srcFile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)) {
using (var memoryStream = new MemoryStream()) {
file.CopyTo(memoryStream);
buffer = memoryStream.ToArray();
}
}
} catch (Exception) {
return(encoding);
}
// Detect encoding
var textDetect = new TextEncodingDetect();
EncodingEnum textEnc = textDetect.DetectEncoding(buffer, buffer.Length);
switch (textEnc)
{
case EncodingEnum.Ascii:
// ASCII (chars in the 0-127 range)
encoding = Encoding.ASCII;
break;
case EncodingEnum.Ansi:
// ANSI (chars in the range 0-255 range)
encoding = Encoding.GetEncoding(1252);
break;
case EncodingEnum.Utf8Bom:
case EncodingEnum.Utf8Nobom:
// UTF-8
encoding = Encoding.UTF8;
break;
case EncodingEnum.Utf16LeBom:
case EncodingEnum.Utf16LeNobom:
// UTF-16 Little Endian
encoding = Encoding.Unicode;
break;
case EncodingEnum.Utf16BeBom:
case EncodingEnum.Utf16BeNobom:
// UTF-16 Big Endian
encoding = Encoding.BigEndianUnicode;
break;
}
return(encoding);
}
/// <summary>
/// Read all the text of a file in one go, same as File.ReadAllText expect it's truly a read only function
/// </summary>
public static string ReadAllText(string path, Encoding encoding = null)
{
try {
using (var fileStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)) {
using (var textReader = new StreamReader(fileStream, encoding ?? TextEncodingDetect.GetFileEncoding(path))) {
return(textReader.ReadToEnd());
}
}
} catch (Exception e) {
ErrorHandler.ShowErrors(e, "Error while reading the following file : " + path);
}
return(null);
}
/// <summary>
/// Called on an update, allows to do special stuff according to the version updated
/// </summary>
private void UpdateDoneFromVersion(string fromVersion)
{
// reset the log files
Utils.DeleteDirectory(Config.FolderLog, true);
if (!fromVersion.IsHigherVersionThan("1.7.3"))
{
Utils.DeleteDirectory(Path.Combine(Npp.ConfigDirectory, "Libraries"), true);
}
if (!fromVersion.IsHigherVersionThan("1.7.6"))
{
// delete old UDL
if (File.Exists(Npp.ConfXml.FileNppUserDefinedLang))
{
var encoding = TextEncodingDetect.GetFileEncoding(Npp.ConfXml.FileNppUserDefinedLang);
var fileContent = Utils.ReadAllText(Npp.ConfXml.FileNppUserDefinedLang, encoding);
var regex = new Regex("<UserLang name=\"OpenEdgeABL\".*?</UserLang>", RegexOptions.Singleline | RegexOptions.IgnoreCase);
var matches = regex.Match(fileContent);
if (matches.Success)
{
fileContent = regex.Replace(fileContent, "");
// write to userDefinedLang.xml
var copyPath = Path.Combine(Config.FolderUpdate, "userDefineLang.xml");
Utils.FileWriteAllText(copyPath, fileContent, encoding);
// replace default file by its copy on npp shutdown
_3PUpdater.Instance.AddFileToMove(copyPath, Npp.ConfXml.FileNppUserDefinedLang);
}
}
}
if (!fromVersion.IsHigherVersionThan("1.7.8"))
{
// delete old database dump
try {
if (Directory.Exists(Config.FolderDatabase))
{
foreach (string file in Directory.EnumerateFiles(Config.FolderDatabase, "*.dump", SearchOption.TopDirectoryOnly))
{
File.Delete(file);
}
}
} catch (Exception e) {
ErrorHandler.LogError(e);
}
}
}
/// <summary>
/// Returns the encoding of the input file
/// </summary>
/// <param name="srcFile"></param>
/// <returns></returns>
public static Encoding GetFileEncoding(string srcFile)
{
Encoding encoding = Encoding.Default;
if (string.IsNullOrEmpty(srcFile) || !File.Exists(srcFile)) {
return encoding;
}
// Read in the file in binary
byte[] buffer;
try {
using (var file = new FileStream(srcFile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)) {
using (var memoryStream = new MemoryStream()) {
file.CopyTo(memoryStream);
buffer = memoryStream.ToArray();
}
}
} catch (Exception) {
return encoding;
}
// Detect encoding
var textDetect = new TextEncodingDetect();
EncodingEnum textEnc = textDetect.DetectEncoding(buffer, buffer.Length);
switch (textEnc) {
case EncodingEnum.Ascii:
// ASCII (chars in the 0-127 range)
encoding = Encoding.ASCII;
break;
case EncodingEnum.Ansi:
// ANSI (chars in the range 0-255 range)
encoding = Encoding.GetEncoding(1252);
break;
case EncodingEnum.Utf8Bom:
case EncodingEnum.Utf8Nobom:
// UTF-8
encoding = Encoding.UTF8;
break;
case EncodingEnum.Utf16LeBom:
case EncodingEnum.Utf16LeNobom:
// UTF-16 Little Endian
encoding = Encoding.Unicode;
break;
case EncodingEnum.Utf16BeBom:
case EncodingEnum.Utf16BeNobom:
// UTF-16 Big Endian
encoding = Encoding.BigEndianUnicode;
break;
}
return encoding;
}
/// <summary>
/// Reads all the line of either the filePath (if the file exists) or from byte array dataResources,
/// Apply the action toApplyOnEachLine(int lineNumber, string lineString) to each line
/// Uses encoding as the Encoding to read the file or convert the byte array to a string
/// Uses the char # as a comment in the file (must be the first char of a line)
/// Returns the line w/o the \r\n
/// </summary>
public static void ForEachLine(string filePath, byte[] dataResources, Action <int, string> toApplyOnEachLine, Encoding encoding = null)
{
try {
Exception ex = new Exception("Undetermined");
if (!Utilities.ForEachLine(filePath, dataResources, toApplyOnEachLine, encoding ?? TextEncodingDetect.GetFileEncoding(filePath), exception => ex = exception))
{
ErrorHandler.ShowErrors(ex, "Error reading file", filePath);
}
} catch (Exception e) {
ErrorHandler.ShowErrors(e, "Error while reading an internal ressource!");
}
}
