public static void Build()
{
//scale of sizes of views and fonts from original iosMath examples
const double scale = 1.5;
const double viewHeightExtraScale = 1.25;
var sb = new StringBuilder();
string text;
using (var client = new WebClient())
text = client.DownloadString(
@"https://raw.githubusercontent.com/kostub/iosMath/master/iosMathExample/example/ViewController.m");
text = Regex.Split(text,
@"\[self setHeight:\d+ forView:contentView\];|- \(void\)didReceiveMemoryWarning")[1];
var regex = new Regex(@"(?#
)self\.(?<label>(?:demoLabels|labels)\[\d+\] = )\[self createMathLabel:(?#
)@(?<latex>(?:""[^""]*?""\s+)+?)withHeight:(?<height>\d+)\];|(?#
)self\.(?<colorTarget>(?:demoLabels|labels)\[\d+\])\.backgroundColor = (?#
)\[UIColor colorWithHue:(?<hue>\d+(?:\.\d+)?) (?#
)saturation:(?<saturation>\d+(?:\.\d+)?) (?#
)brightness:(?<brightness>\d+(?:\.\d+)?) alpha:(?<alpha>\d+(?:\.\d+)?)\];|(?#
)self\.(?<sizeTarget>(?:demoLabels|labels)\[\d+\])\.fontSize = (?#
)(?<size>\d+(?:\.\d+)?);|(?#
)self\.(?<alignTarget>(?:demoLabels|labels)\[\d+\])\.textAlignment = (?#
)kMTTextAlignment(?<align>\w+);|(?#
)self\.(?<insetsTarget>(?:demoLabels|labels)\[\d+\])\.contentInsets = (?#
)UIEdgeInsetsMake\(?<insets>([\d\s,]+)\);|(?#
)self\.(?<styleTarget>(?:demoLabels|labels)\[\d+\])\.labelMode = (?#
)kMTMathUILabelMode(?<style>\w+);|(?#
)\n\s+//(?<comment>.+)", RegexOptions.Compiled);
var writer =
new IndentedTextWriter(new StringWriter(sb), " ")
{
Indent = 0, NewLine = Environment.NewLine
}
.AppendLine("//Do not modify this file directly. Instead, modify this at")
.AppendLine("//CSharpMath\\CSharpMath.Playground\\iosMathDemo\\ToFormsMoreExamples.cs and re-generate")
.AppendLine("//this file by executing the method in that file in the CSharpMath.Utils project.")
.AppendLine()
.AppendLine("using CSharpMath.Atom;")
.AppendLine("using CSharpMath.Rendering.FrontEnd;")
.AppendLine("using System.Collections.Generic;")
.AppendLine("using System.Collections.ObjectModel;")
.AppendLine("using System.Linq;")
.AppendLine("using Color = Xamarin.Forms.Color;")
.AppendLine()
.AppendLine("namespace CSharpMath.Forms.Example {")
.Indent()
.AppendLine("[System.Diagnostics.DebuggerNonUserCode, System.Runtime.CompilerServices.CompilerGenerated]")
.AppendLine("public static class MoreExamples {")
.Indent()
.AppendLine("public static ReadOnlyCollection<MathView> Views { get; }")
.AppendLine("static MoreExamples() {")
.Indent()
.AppendLine("var demoLabels = new Dictionary<byte, MathView>();")
.AppendLine("var labels = new Dictionary<byte, MathView>();");
foreach (var m in regex.Matches(text).AsEnumerable())
{
if (!string.IsNullOrEmpty(m.Groups["label"].Value))
{
writer
.Append(m.Groups["label"].Value)
.AppendLine("new MathView {")
.Indent()
.Append("LaTeX = @\"")
.Append(new StringBuilder(m.Groups["latex"].Value)
.Replace("\\\n ", "\n ")
.Replace("\n ", Environment.NewLine + ' ')
.Replace(@"\\", @"\")
.Replace("\"", "").ToString().TrimEnd())
.AppendLine("\",")
.Append("HeightRequest = ")
.Append(int.Parse(m.Groups["height"].Value,
System.Globalization.NumberFormatInfo.InvariantInfo)
* scale * viewHeightExtraScale)
.AppendLine(",")
.Append("FontSize = ")
.Append(15 * scale)
.AppendLine("f")
.Unindent()
.AppendLine("};");
}
else if (!string.IsNullOrEmpty(m.Groups["colorTarget"].Value))
{
writer.Append(m.Groups["colorTarget"].Value)
.Append(".BackgroundColor = Color.FromHsla(")
.Append(m.Groups["hue"].Value)
.Append(", ")
.Append(m.Groups["saturation"].Value)
.Append(", ")
.Append(m.Groups["brightness"].Value)
.Append(", ")
.Append(m.Groups["alpha"].Value)
.AppendLine(");");
}
else if (!string.IsNullOrEmpty(m.Groups["sizeTarget"].Value))
{
writer.Append(m.Groups["sizeTarget"].Value)
.Append(".FontSize = ")
.Append(m.Groups["size"].Value)
.AppendLine(";");
}
else if (!string.IsNullOrEmpty(m.Groups["alignTarget"].Value))
{
writer.Append(m.Groups["alignTarget"].Value)
.Append(".TextAlignment = TextAlignment.")
.Append(m.Groups["align"].Value)
.AppendLine(";");
}
else if (!string.IsNullOrEmpty(m.Groups["insetsTarget"].Value))
{
writer.Append(m.Groups["insetsTarget"].Value)
.Append(".Padding = new Thickness(")
.Append(m.Groups["insets"].Value)
.AppendLine(");");
}
else if (!string.IsNullOrEmpty(m.Groups["styleTarget"].Value))
{
writer.Append(m.Groups["styleTarget"].Value)
.Append(".LineStyle = LineStyle.")
.Append(m.Groups["style"].Value)
.AppendLine(";");
}
else if (!string.IsNullOrEmpty(m.Groups["comment"].Value))
{
writer.AppendLine()
.Append(@"// ")
.AppendLine(m.Groups["comment"].Value);
}
}
writer.AppendLine()
.Append("Views = demoLabels.Concat(labels)")
.AppendLine(".Select(p => p.Value).ToList().AsReadOnly();")
.Unindent()
.AppendLine("}")
.Unindent()
.AppendLine("}")
.Unindent()
.AppendLine("}")
.Unindent();
if (writer.Indent != 0)
{
throw new InvalidOperationException("Indents are not balanced.");
}
File.WriteAllText(Paths.iosMathExamplesFile, sb.ToString());
writer.Dispose();
}
