RegisterDocumentFont: handle %-encoded urls (#625)

poire-z · web-flow · commit b3d7b3a68a6a · 2025-08-03T22:04:41.000+02:00
Handle '@font-face {src: url("../Fonts/%2A%2A%3..."}' in publishers' stylesheets.
diff --git a/crengine/src/lvfntman.cpp b/crengine/src/lvfntman.cpp
@@ -6192,6 +6192,8 @@ class LVFreeTypeFontManager : public LVFontManager
         }
         name.trim(); // Remove any " " appended to avoid url override with duplicates
         LVStreamRef stream = container->OpenStream(name.c_str(), LVOM_READ);
+        if (stream.isNull()) // Try again in case it is percent-encoded
+            stream = container->OpenStream(DecodeHTMLUrlString(name).c_str(), LVOM_READ);
         if (stream.isNull())
             return false;
         lUInt32 size = (lUInt32)stream->GetSize();

Original file line number	Diff line number	Diff line change
`@@ -6192,6 +6192,8 @@ class LVFreeTypeFontManager : public LVFontManager`
`6192`	`6192`	`}`
`6193`	`6193`	`name.trim(); // Remove any " " appended to avoid url override with duplicates`
`6194`	`6194`	`LVStreamRef stream = container->OpenStream(name.c_str(), LVOM_READ);`
	`6195`	`+ if (stream.isNull()) // Try again in case it is percent-encoded`
	`6196`	`+ stream = container->OpenStream(DecodeHTMLUrlString(name).c_str(), LVOM_READ);`
`6195`	`6197`	`if (stream.isNull())`
`6196`	`6198`	`return false;`
`6197`	`6199`	`lUInt32 size = (lUInt32)stream->GetSize();`