/// <summary>
/// 将文件内容设置到文本框中
/// </summary>
/// <param name="textBox">文本框 为null则打开一个新标签</param>
/// <param name="path">文本框路径</param>
/// <param name="encoding">编码</param>
public static void SetTextBoxValByPath(TextBox textBox, string path, Encoding encoding)
{
TextBox t = textBox;
// 传入的文本框为null则新建一个标签
if (path == null)
{
return;
}
// 判断是否为二进制文件
if (!CheckIsTextFile(path))
{
DialogResult dr = MessageBox.Show("该文件可能为二进制文件，是否继续读取？", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
if (dr == DialogResult.Cancel)
{
return;
}
if (dr == DialogResult.No)
{
return;
}
}
// 将文件内容赋值到文本框中
t.Text = FileRead.Read(path, encoding);
t.SelectionStart = t.TextLength;
// 将文件路径写入到文本框tag数据中
TextBoxUtils.TextBoxAddTag(t, TextBoxTagKey.SAVE_FILE_PATH, path);
// 将文件编码写入到文本框tag数据中
TextBoxUtils.TextBoxAddTag(t, TextBoxTagKey.TEXTBOX_TAG_KEY_ECODING, encoding);
// 监听文件变化并弹窗提醒
monitorFileTextShowMess(path, t);
t.Focus();
}
public void DiffTests() //Should fail, as fileRead should handle invalid file names
{
List <List <string[]> > contents = new List <List <string[]> >();
List <List <string[]> > invalidContents = new List <List <string[]> >();
contents = FileRead.Read("test1.txt", "test2.txt");
invalidContents = FileRead.Read("notA.txt", "realFile.txt");
Assert.ThrowsException <System.Exception>(() => Diff.Difference(contents));
Assert.ThrowsException <System.Exception>(() => Diff.Difference(invalidContents));
}
public static void Main(string[] args)
{
FileRead fr = new FileRead(args[0]);
byte[] buffer = new byte[128];
ASCIIEncoding e = new ASCIIEncoding();
// loop through, read until done
Console.WriteLine("Contents");
while (fr.Read(buffer, 128) != 0)
{
Console.Write("{0}", e.GetString(buffer));
}
}
public void FileReadTests() //Should fail, as invalid file names should be handled gracefully
{
string[] inputOne = new string[2];
string[] inputTwo = new string[2];
inputOne[0] = "test1.txt";
inputOne[1] = "test2.txt";
inputTwo[0] = "noFile.txt";
inputTwo[1] = "namedThis.txt";
for (int i = 0; i < inputOne.Length; i++)
{
Assert.ThrowsException <System.Exception>(() => FileRead.Read(inputOne[i], inputTwo[i]));
}
}
public void ReadTest()
{
Assert.AreNotEqual(_file.Read("DrinkList"), FileRead.ERROR);
Assert.AreEqual(_file.Read("DrinkList", "sas"), FileRead.ERROR);
Assert.AreEqual(_file.Read("DrinkList", "asd", "asd"), FileRead.ERROR);
Assert.AreEqual(_file.Read("asda"), FileRead.ERROR);
Assert.AreEqual(_file.Read("asda", ".das"), FileRead.ERROR);
Assert.AreEqual(_file.Read("asda", ".das", "das"), FileRead.ERROR);
}
public static void Mainly()
{
FileRead fr = new FileRead(@"..\..\readfileunsafe.cs");
byte[] buffer = new byte[128];
ASCIIEncoding e = new ASCIIEncoding();
// loop through, read until done...
Console.WriteLine("Contents");
int bytesRead = 0;
while ((bytesRead = fr.Read(buffer, buffer.Length - 1)) != 0)
{
Console.Write("{0}", e.GetString(buffer, 0, bytesRead));
}
}
/// <summary>
/// 监听文件变化并弹出提示框提示重新加载或另存为
/// </summary>
/// <param name="filepath"></param>
/// <param name="t"></param>
public static void monitorFileTextShowMess(string filepath, TextBox t)
{
Dictionary <Type, object> data = new Dictionary <Type, object>();
data.Add(typeof(TextBox), t);
// 监听文件变化
try {
FileSystemWatcher wat = null;
string[] pathArr = GetPathArr(filepath);
Encoding encoding = Encoding.Default;
if (!"txt".Equals(pathArr[2].ToLower()))
{
encoding = GetType(filepath);
}
// 判断文本框的Tag中是否纯在一个监听,存在就销毁他
if (TextBoxUtils.GetTextTagToMap(t).ContainsKey(TextBoxTagKey.TEXTBOX_TAG_KEY_FILEMONITOR))
{
object obj = TextBoxUtils.GetTextTagToMap(t)[TextBoxTagKey.TEXTBOX_TAG_KEY_FILEMONITOR];
if (obj.GetType().Equals(typeof(FileSystemWatcher)))
{
wat = (FileSystemWatcher)TextBoxUtils.GetTextTagToMap(t)[TextBoxTagKey.TEXTBOX_TAG_KEY_FILEMONITOR];
wat.EnableRaisingEvents = false;
wat.Dispose();
}
}
// 获取一个新的文件监听
wat = fileMonitor(pathArr[0], pathArr[1] + "." + pathArr[2],
NotifyFilters.DirectoryName | NotifyFilters.FileName | NotifyFilters.Size
, null, null
, delegate(object sender, FileSystemEventArgs e){
FileSystemWatcher watcher = (FileSystemWatcher)sender;
// 闪烁窗体
Form f = t.FindForm();
if (f.InvokeRequired)
{
f.Invoke(new EventHandler(delegate {
System.Media.SystemSounds.Asterisk.Play();
WindowsApiUtils.FlashWindow(f.Handle, 400, 3);
}));
}
// 弹出对话框
ControlsUtils.ShowAskMessBox("文件内容已经更改,是否要重新加载文件", "提示"
, delegate {
if (t.InvokeRequired)
{
t.Invoke(new EventHandler(delegate {
// 获取内容
string text = FileRead.Read(filepath, encoding);
t.Text = text;
}));
}
}, null);
watcher.EnableRaisingEvents = false;
}
, delegate { // 弹出对话框
MessageBox.Show("文件在磁盘上已经被删除或重命名！");
});
// 加入到文本框的tag数据中
TextBoxUtils.TextBoxAddTag(t, TextBoxTagKey.TEXTBOX_TAG_KEY_FILEMONITOR, wat);
} catch {
MessageBox.Show("监听文件状态时发生异常");
}
}