SubtitleEdit/libse/SubtitleFormats/FlashXml.cs
Nikolaj Olsson 1468fa7642 Refactor
2019-01-19 12:29:38 +01:00

176 lines
6.8 KiB
C#

using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;
namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
//<?xml version="1.0" encoding="UTF-8"?>
//<tt>
// <div>
// <p begin="00:00:00.700" end="00:00:05.000"><![CDATA[<sub>This is fully skinnable through XML<br/>using external images for each button</sub>]]></p>
// <p begin="00:00:05.200" end="00:00:10.000"><![CDATA[<sub>You can put in any order or enable/disable<br/>the control buttons</sub>]]></p>
// <p begin="00:00:10.200" end="00:00:15.000"><![CDATA[<sub>Test below some of the customizable<br/>properties this player has</sub>]]></p>
// <p begin="00:00:15.200" end="00:00:19.700"><![CDATA[<sub>Many other properties related to fonts, sizes, colors<br/>and list properties are in style.css file</sub>]]></p>
// </div>
//</tt>
public class FlashXml : SubtitleFormat
{
public override string Extension => ".xml";
public override string Name => "Flash Xml";
public override bool IsMine(List<string> lines, string fileName)
{
var sb = new StringBuilder();
lines.ForEach(line => sb.AppendLine(line));
string xmlAsString = sb.ToString().Trim();
if ((xmlAsString.Contains("<tt>") || xmlAsString.Contains("<tt ")) && (xmlAsString.Contains("<sub>")))
{
var xml = new XmlDocument { XmlResolver = null };
try
{
xml.LoadXml(xmlAsString);
var paragraphs = xml.DocumentElement.SelectNodes("div/p");
return paragraphs != null && paragraphs.Count > 0 && xml.DocumentElement.Name == "tt";
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
}
return false;
}
private static string ConvertToTimeString(TimeCode time)
{
return $"{time.Hours:00}:{time.Minutes:00}:{time.Seconds:00}.{time.Milliseconds:00}";
}
public override string ToText(Subtitle subtitle, string title)
{
string xmlStructure =
"<?xml version=\"1.0\" encoding=\"utf-8\" ?>" + Environment.NewLine +
"<tt>" + Environment.NewLine +
" <div>" + Environment.NewLine +
" </div>" + Environment.NewLine +
"</tt>";
var xml = new XmlDocument();
xml.LoadXml(xmlStructure);
XmlNode div = xml.DocumentElement.SelectSingleNode("div");
foreach (Paragraph p in subtitle.Paragraphs)
{
XmlNode paragraph = xml.CreateElement("p");
string text = HtmlUtil.RemoveHtmlTags(p.Text, true);
paragraph.InnerText = text;
paragraph.InnerXml = "<![CDATA[<sub>" + paragraph.InnerXml.Replace(Environment.NewLine, "<br />") + "</sub>]]>";
XmlAttribute start = xml.CreateAttribute("begin");
start.InnerText = ConvertToTimeString(p.StartTime);
paragraph.Attributes.Append(start);
XmlAttribute end = xml.CreateAttribute("end");
end.InnerText = ConvertToTimeString(p.EndTime);
paragraph.Attributes.Append(end);
div.AppendChild(paragraph);
}
return ToUtf8XmlString(xml);
}
public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
{
_errorCount = 0;
double startSeconds = 0;
var sb = new StringBuilder();
lines.ForEach(line => sb.AppendLine(line));
var xml = new XmlDocument { XmlResolver = null };
xml.LoadXml(sb.ToString().Trim());
var pText = new StringBuilder();
foreach (XmlNode node in xml.DocumentElement.SelectNodes("div/p"))
{
try
{
foreach (XmlNode innerNode in node.ChildNodes)
{
if (innerNode.Name == "br")
{
pText.AppendLine();
}
else
{
pText.Append(innerNode.InnerText.Trim());
}
}
var start = string.Empty;
if (node.Attributes["begin"] != null)
{
start = node.Attributes["begin"].InnerText;
}
var end = string.Empty;
if (node.Attributes["end"] != null)
{
end = node.Attributes["end"].InnerText;
}
var dur = string.Empty;
if (node.Attributes["dur"] != null)
{
dur = node.Attributes["dur"].InnerText;
}
TimeCode startCode = TimeCode.FromSeconds(startSeconds);
if (start.Length > 0)
{
startCode = GetTimeCode(start);
}
TimeCode endCode;
if (end.Length > 0)
{
endCode = GetTimeCode(end);
}
else if (dur.Length > 0)
{
endCode = new TimeCode(GetTimeCode(dur).TotalMilliseconds + startCode.TotalMilliseconds);
}
else
{
endCode = new TimeCode(startCode.TotalMilliseconds + 3000);
}
startSeconds = endCode.TotalSeconds;
subtitle.Paragraphs.Add(new Paragraph(startCode, endCode, pText.ToString().Replace("<sub>", string.Empty).Replace("</sub>", string.Empty)));
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
_errorCount++;
}
pText.Clear();
}
subtitle.Renumber();
}
private static TimeCode GetTimeCode(string s)
{
if (s.EndsWith('s'))
{
s = s.TrimEnd('s');
return TimeCode.FromSeconds(double.Parse(s));
}
var parts = s.Split(new[] { ':', '.', ',' });
return new TimeCode(int.Parse(parts[0]), int.Parse(parts[1]), int.Parse(parts[2]), int.Parse(parts[3]));
}
}
}