SubtitleEdit/libse/SubtitleFormats/TimeXml.cs

111 lines
3.5 KiB
C#

using System;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using System.Xml;
namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
public class TimeXml : SubtitleFormat
{
public override string Extension
{
get { return ".xml"; }
}
public override string Name
{
get { return "Xml"; }
}
public override bool IsTimeBased
{
get { return true; }
}
public override bool IsMine(List<string> lines, string fileName)
{
var subtitle = new Subtitle();
LoadSubtitle(subtitle, lines, fileName);
return subtitle.Paragraphs.Count > 0;
}
public override string ToText(Subtitle subtitle, string title)
{
string xmlStructure =
"<?xml version=\"1.0\" encoding=\"utf-8\" ?>" + Environment.NewLine +
"<Subtitle/>";
var xml = new XmlDocument();
xml.LoadXml(xmlStructure);
foreach (Paragraph p in subtitle.Paragraphs)
{
XmlNode paragraph = xml.CreateElement("Paragraph");
XmlNode number = xml.CreateElement("Number");
number.InnerText = p.Number.ToString(CultureInfo.InvariantCulture);
paragraph.AppendChild(number);
XmlNode start = xml.CreateElement("StartMilliseconds");
start.InnerText = ((long)(Math.Round(p.StartTime.TotalMilliseconds))).ToString(CultureInfo.InvariantCulture);
paragraph.AppendChild(start);
XmlNode end = xml.CreateElement("EndMilliseconds");
end.InnerText = ((long)(Math.Round(p.EndTime.TotalMilliseconds))).ToString(CultureInfo.InvariantCulture);
paragraph.AppendChild(end);
XmlNode text = xml.CreateElement("Text");
text.InnerText = HtmlUtil.RemoveHtmlTags(p.Text);
paragraph.AppendChild(text);
xml.DocumentElement.AppendChild(paragraph);
}
return ToUtf8XmlString(xml);
}
public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
{
_errorCount = 0;
var sb = new StringBuilder();
lines.ForEach(line => sb.AppendLine(line));
string xmlString = sb.ToString();
if (!xmlString.Contains("<Paragraph>") || !xmlString.Contains("<Text>"))
return;
var xml = new XmlDocument { XmlResolver = null };
try
{
xml.LoadXml(xmlString);
}
catch
{
_errorCount = 1;
return;
}
foreach (XmlNode node in xml.DocumentElement.SelectNodes("Paragraph"))
{
try
{
string start = node.SelectSingleNode("StartMilliseconds").InnerText;
string end = node.SelectSingleNode("EndMilliseconds").InnerText;
string text = node.SelectSingleNode("Text").InnerText;
subtitle.Paragraphs.Add(new Paragraph(text, Convert.ToDouble(start, CultureInfo.InvariantCulture), Convert.ToDouble(end, CultureInfo.InvariantCulture)));
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
_errorCount++;
}
}
subtitle.Renumber();
}
}
}