private bool TryGetFontSource(string value, out PDFFontSource found)
{
if (PDFFontSource.TryParseOneValue(value, out found))
{
return(true);
}
else
{
return(false);
}
}
public void ParsePDFFontSource()
{
string sample = "url(https://somewebsite.com/path/to/font.woff)";
PDFFontSource parsed;
Assert.IsTrue(PDFFontSource.TryParseOneValue(sample, out parsed));
Assert.AreEqual(FontSourceType.Url, parsed.Type);
Assert.AreEqual("https://somewebsite.com/path/to/font.woff", parsed.Source);
Assert.AreEqual(FontSourceFormat.Default, parsed.Format);
sample = "url(path/to/font.woff)";
Assert.IsTrue(PDFFontSource.TryParseOneValue(sample, out parsed));
Assert.AreEqual(FontSourceType.Url, parsed.Type);
Assert.AreEqual("path/to/font.woff", parsed.Source);
Assert.AreEqual(FontSourceFormat.Default, parsed.Format);
sample = "url(path/to/font.woff) format(\"woff\")";
Assert.IsTrue(PDFFontSource.TryParseOneValue(sample, out parsed));
Assert.AreEqual(FontSourceType.Url, parsed.Type);
Assert.AreEqual("path/to/font.woff", parsed.Source);
Assert.AreEqual(FontSourceFormat.WOFF, parsed.Format);
sample = "url('path/to/font.woff')";
Assert.IsTrue(PDFFontSource.TryParseOneValue(sample, out parsed));
Assert.AreEqual(FontSourceType.Url, parsed.Type);
Assert.AreEqual("path/to/font.woff", parsed.Source);
Assert.AreEqual(FontSourceFormat.Default, parsed.Format);
sample = "url(\"path/to/svgfont.svg#example\")";
Assert.IsTrue(PDFFontSource.TryParseOneValue(sample, out parsed));
Assert.AreEqual(FontSourceType.Url, parsed.Type);
Assert.AreEqual("path/to/svgfont.svg#example", parsed.Source);
Assert.AreEqual(FontSourceFormat.Default, parsed.Format);
sample = "url(\"path/to/svgfont.svg#example\") format(\"svg\")";
Assert.IsTrue(PDFFontSource.TryParseOneValue(sample, out parsed));
Assert.AreEqual(FontSourceType.Url, parsed.Type);
Assert.AreEqual("path/to/svgfont.svg#example", parsed.Source);
Assert.AreEqual(FontSourceFormat.SVG, parsed.Format);
//Some locals
sample = "local(font)";
Assert.IsTrue(PDFFontSource.TryParseOneValue(sample, out parsed));
Assert.AreEqual(FontSourceType.Local, parsed.Type);
Assert.AreEqual("font", parsed.Source);
Assert.AreEqual(FontSourceFormat.Default, parsed.Format);
sample = "local(some font)";
Assert.IsTrue(PDFFontSource.TryParseOneValue(sample, out parsed));
Assert.AreEqual(FontSourceType.Local, parsed.Type);
Assert.AreEqual("some font", parsed.Source);
Assert.AreEqual(FontSourceFormat.Default, parsed.Format);
sample = "local('some font') format(truetype)";
Assert.IsTrue(PDFFontSource.TryParseOneValue(sample, out parsed));
Assert.AreEqual(FontSourceType.Local, parsed.Type);
Assert.AreEqual("some font", parsed.Source);
Assert.AreEqual(FontSourceFormat.TrueType, parsed.Format);
sample = "local(\"some other font\") format(\"opentype\")";
Assert.IsTrue(PDFFontSource.TryParseOneValue(sample, out parsed));
Assert.AreEqual(FontSourceType.Local, parsed.Type);
Assert.AreEqual("some other font", parsed.Source);
Assert.AreEqual(FontSourceFormat.OpenType, parsed.Format);
//empty is false
Assert.IsFalse(PDFFontSource.TryParseOneValue("", out parsed));
//unbalanced quotes is false
Assert.IsFalse(PDFFontSource.TryParseOneValue("local(\"some other font) format(\"opentype\")", out parsed));
//Unknown source type is false
Assert.IsFalse(PDFFontSource.TryParseOneValue("remote(\"path/to/svgfont.svg#example\") format(\"svg\")", out parsed));
//Other marker e.g. other is ignored so true
Assert.IsTrue(PDFFontSource.TryParseOneValue("url(\"path/to/svgfont.svg#example\") other(\"svg\")", out parsed));
Assert.AreEqual(FontSourceType.Url, parsed.Type);
Assert.AreEqual("path/to/svgfont.svg#example", parsed.Source);
Assert.AreEqual(FontSourceFormat.Default, parsed.Format);
//Parse Multiple
var full = @"local(font), url(path/to/font.svg) format('svg'),
url(path/to/font.woff) format('woff'),
url(path/to/font.ttf) format(truetype),
url('path/to/font.otf') format(embedded-opentype)";
Assert.IsTrue(PDFFontSource.TryParse(full, out parsed));
Assert.AreEqual("font", parsed.Source);
Assert.AreEqual(FontSourceType.Local, parsed.Type);
Assert.AreEqual(FontSourceFormat.Default, parsed.Format);
parsed = parsed.Next;
Assert.IsNotNull(parsed);
Assert.AreEqual("path/to/font.svg", parsed.Source);
Assert.AreEqual(FontSourceType.Url, parsed.Type);
Assert.AreEqual(FontSourceFormat.SVG, parsed.Format);
parsed = parsed.Next;
Assert.IsNotNull(parsed);
Assert.AreEqual("path/to/font.woff", parsed.Source);
Assert.AreEqual(FontSourceType.Url, parsed.Type);
Assert.AreEqual(FontSourceFormat.WOFF, parsed.Format);
parsed = parsed.Next;
Assert.IsNotNull(parsed);
Assert.AreEqual("path/to/font.ttf", parsed.Source);
Assert.AreEqual(FontSourceType.Url, parsed.Type);
Assert.AreEqual(FontSourceFormat.TrueType, parsed.Format);
parsed = parsed.Next;
Assert.IsNotNull(parsed);
Assert.AreEqual("path/to/font.otf", parsed.Source);
Assert.AreEqual(FontSourceType.Url, parsed.Type);
Assert.AreEqual(FontSourceFormat.EmbeddedOpenType, parsed.Format);
}