Catch more glyphs when converting via FDK.

1 files changed, 28 insertions, 0 deletions

diff --git a/scripts/lib/fontbuild/features.py b/scripts/lib/fontbuild/features.py
index 681d6ed..5184c9f 100755
--- a/scripts/lib/fontbuild/features.py
+++ b/scripts/lib/fontbuild/features.py
@@ -100,6 +100,34 @@ def _isValidRef(referencer, ref, font):
     return True

 

 

+def replaceFeatureFileReferences(font, replace):

+    """Replace references according to a given mapping of old names to new."""

+

+    lines = font.features.text.splitlines()

+    for i, line in enumerate(lines):

+

+        # check for reference in class definitions

+        if _classDef.match(line):

+            name, value = _classDef.match(line).groups()

+            value = " ".join([replace.get(n, n) for n in value.split()])

+            lines[i]= "%s = [%s];" % (name, value)

+

+        # check in substitution rules

+        elif _subRule.match(line):

+            indentation, subbed, sub = _subRule.match(line).groups()

+            subbed = " ".join([replace.get(n, n) for n in subbed.split()])

+            sub = " ".join([replace.get(n, n) for n in sub.split()])

+

+            # put brackets around tokens if they were there before

+            if re.match(r"\s*sub(stitute)?\s+\[.+\]\s+by", line):

+                subbed = "[%s]" % subbed

+            if re.match(r"\s*sub(stitute)?.+by\s+\[.+\]\s*;", line):

+                sub = "[%s]" % sub

+            lines[i] = "%ssub %s by %s;" % (indentation, subbed, sub)

+

+    font.features.text = "\n".join(lines)

+

+

 def generateFeatureFile(font):

     """Populate a font's feature file text from its classes and features."""