private void Preview(object sender, EventArgs e)
{
try
{
foreach (ListViewItem item in this.SelectedItems)
{
string path = item.SubItems[ClmnPathNumber].Text;
JpnEncoding jEnc = JpnEncoding.NameToJpnEncoding(item.SubItems[ClmnCodeNumber].Text);
PreviewForm form = new PreviewForm(path, jEnc, AzukiBefore, AzukiAfter, RegexEnabled, RegexOptions);
if (OwnerForm != null)
{
form.Owner = this.OwnerForm;
form.Icon = this.OwnerForm.Icon;
form.ShowIcon = true;
}
form.Show(this);
}
}
catch (Exception exception)
{
MessageBox.Show(exception.Message, "エラー", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public PreviewForm(string path, JpnEncoding encoding, AzukiTextBox azukiBefore, AzukiTextBox azukiAfter, bool regex = false, RegexOptions regexOptions = RegexOptions.None)
{
InitializeComponent();
this.Width = DefaultWidth;
this.Height = DefaultHeight;
this.Text = string.Format("{0} [{1}]", path, encoding.Name);
this.azukiBefore.Font = azukiBefore.Font;
this.azukiBefore.MarkerColor = azukiBefore.MarkerColor;
this.azukiBefore.DrawingOption = azukiBefore.DrawingOption;
this.azukiBefore.ColorScheme.SetColor(CharClass.Keyword, azukiBefore.ForeColor, Color.FromArgb(0xff, 0xff, 0x22));
OpenFile(path, encoding);
if (!string.IsNullOrEmpty(azukiBefore.Text))
{
this.azukiBefore.Document.Highlighter = new WordHighlighter(azukiBefore.Text, CharClass.Keyword, regex, regexOptions);
}
this.azukiAfter.Font = azukiAfter.Font;
this.azukiAfter.MarkerColor = azukiAfter.MarkerColor;
this.azukiAfter.DrawingOption = azukiAfter.DrawingOption;
if (!string.IsNullOrEmpty(azukiBefore.Text))
{
if (regex)
{
Regex re = new Regex(azukiBefore.Text, regexOptions);
this.azukiAfter.Text = re.Replace(this.azukiBefore.Text, azukiAfter.Text);
}
else
{
this.azukiAfter.Text = this.azukiBefore.Text.Replace(azukiBefore.Text, azukiAfter.Text);
}
}
else
{
this.azukiAfter.Text = this.azukiBefore.Text;
}
}
private void OpenFile(string path, JpnEncoding encoding)
{
try
{
JpnEncoding jEnc = encoding;
if (jEnc == null)
{
jEnc = JpnEncoding.DetectEncoding(path, JpnEncoding.Shift_JIS);
}
using (StreamReader sr = new StreamReader(path, jEnc.Encoding))
{
azukiBefore.Text = sr.ReadToEnd();
}
azukiBefore.ScrollToCaret();
azukiBefore.Document.ClearHistory();
}
catch (Exception)
{
throw;
}
}
/// <summary>
/// Detect an encoding used in the specified text file.
/// </summary>
/// <param name="path"></param>
/// <param name="defaultEnc"></param>
/// <returns></returns>
public static JpnEncoding DetectEncoding(string path, JpnEncoding defaultEnc)
{
StringBuilder strBldr = new StringBuilder();
int nEnc;
try
{
byte[] bytes;
using (FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read))
{
bytes = new byte[fs.Length];
fs.Read(bytes, 0, bytes.Length);
}
// set the conversion option
// see the 'nkf.doc' or http://manpages.ubuntu.com/manpages/natty/ja/man1/nkf.1.html
// -g output the result of auto detection
// -t do nothing
SetNkfOption("-gt");
unsafe
{
fixed(byte *pbs = bytes)
{
char *pchar = (char *)pbs;
NkfConvert(strBldr, pchar); // 3. convert
}
}
nEnc = NkfGetKanjiCode(); // 7. get the encoding
nEnc += 1;
if (nEnc == nISO_2022_JP) // // ISO-2022-JP or ASCII
{
nEnc = -1; // suppose ASCII
for (int i = 0; i < bytes.Length; i++)
{
if (bytes[i] == 0x1b) // ISO-2022-JP uses the character ESC (0x1B)
{
nEnc = nISO_2022_JP; // ISO-2022-JP
break;
}
}
}
}
catch (Exception)
{
return(null);
}
JpnEncoding jEnc;
switch (nEnc)
{
case -1: // ASCII
jEnc = JpnEncoding.Shift_JIS;
break;
case nShift_JIS: // Shift_JIS
jEnc = JpnEncoding.Shift_JIS;
break;
case nEUC_JP: // EUC
jEnc = JpnEncoding.EUC_JP;
break;
case nISO_2022_JP: // ISO_2022_JP
jEnc = JpnEncoding.ISO_2022_JP;
break;
case nUTF_8: // UTF-8
jEnc = JpnEncoding.UTF_8;
break;
case nUTF_16LE: // UTF-16LE
jEnc = JpnEncoding.UTF_16LE;
break;
case nUTF_16BE: // UTF-16BE
jEnc = JpnEncoding.UTF_16BE;
break;
default:
jEnc = defaultEnc;
break;
}
return(jEnc);
}