shoko/Media/GeminiMediaHandler.cs

103 lines
3.6 KiB
C#

using ImGuiNET;
namespace Shoko;
[MediaType("text/gemini")]
class GeminiMediaHandler : MediaHandler
{
List<string> lines;
List<string> queries;
public GeminiMediaHandler(ProtoHandler content)
{
Content = content;
lines = new List<string>();
queries = new List<string>();
}
public override async Task Load()
{
Title = Content.URL.AbsolutePath;
var reader = new StreamReader(Content.Content);
string line;
while((line = await reader.ReadLineAsync()) is not null)
{
lines.Add(line);
}
OnLoaded();
}
public override void Render()
{
var formatting = true;
var querynum = 0;
foreach(var line in lines)
{
if(line.StartsWith("```"))
{
formatting = !formatting;
if(formatting) ImGui.PopFont();
else ImGui.PushFont(MainUI.MonospaceFont);
}
else if(formatting)
{
if(line.StartsWith("=>"))
{
var parts = line[2..].Trim().Split(new char[]{' ', '\t'}, 2, StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
var title = parts[parts.Length > 1 ? 1 : 0];
var linkurl = new Uri(Content.URL, parts[0]).ToString();
Gui.Link(title.Trim(), linkurl, ()=>
Content.CurrentTab.Load(linkurl));
}
else if(line.StartsWith("#"))
{
var heading = 1;
if(line.StartsWith("##")) heading = 2;
if(line.StartsWith("###")) heading = 3;
Gui.Font(MainUI.HeadingFonts[heading-1], ()=>
ImGui.TextUnformatted(line[heading..].Trim()));
}
else if(line.StartsWith("* "))
{
ImGui.BulletText(line[2..].Trim());
}
else if(line.StartsWith(">"))
{
ImGui.TextDisabled(" "+line.Trim());
}
else if(line.StartsWith("---"))
{ // non standard extension from mozz
if(line.Trim(new char[]{' ','-'}).Length > 0)
ImGui.SeparatorText(line.Trim(new char[]{' ','-'}));
else
ImGui.Separator();
}
else if(line.StartsWith("=:"))
{ // non standard extension from spartan
var parts = line[2..].Trim().Split(new char[]{' ', '\t'}, 2, StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
var title = parts[parts.Length > 1 ? 1 : 0];
var linkurl = new Uri(Content.URL, parts[0]);
if(queries.Count <= querynum) queries.Add("");
var str = queries[querynum];
ImGui.InputText(title.Trim()+"##query"+querynum, ref str, 1024);
queries[querynum] = str;
Gui.Button("Submit", ()=>{
var uri = new UriBuilder(linkurl)
{
Query = queries[querynum]
};
Content.CurrentTab.Load(uri.Uri.ToString());
});
querynum++;
}
else
ImGui.TextWrapped(line.Trim());
}
else
ImGui.TextUnformatted(line);
}
if(!formatting) ImGui.PopFont();
}
}