Add support for table parsing in feature syntax.

1 files changed, 12 insertions, 1 deletions

diff --git a/scripts/lib/fontbuild/features.py b/scripts/lib/fontbuild/features.py
index d3f86c6..898aa56 100755
--- a/scripts/lib/fontbuild/features.py
+++ b/scripts/lib/fontbuild/features.py
@@ -39,9 +39,10 @@ parser.subType1And4RE = re.compile(
         "\s*;"                 # ;

         )

 

-# don't be greedy when matching feature/lookup content (may be duplicates)

+# don't be greedy when matching feature/lookup/table content (may be duplicates)

 parser.featureContentRE[3] = parser.featureContentRE[3].replace('*', '*?')

 parser.lookupContentRE[3] = parser.lookupContentRE[3].replace('*', '*?')

+parser.tableContentRE[3] = parser.tableContentRE[3].replace('*', '*?')

 

 

 class FilterFeatureWriter(FDKSyntaxFeatureWriter):

@@ -52,6 +53,7 @@ class FilterFeatureWriter(FDKSyntaxFeatureWriter):
         self.refs = refs

         self.featureNames = set()

         self.lookupNames = set()

+        self.tableNames = set()

         self.languageSystems = set()

         super(FilterFeatureWriter, self).__init__(

             name=name, isFeature=isFeature)

@@ -149,6 +151,15 @@ class FilterFeatureWriter(FDKSyntaxFeatureWriter):
             self.languageSystems.add(system)

             super(FilterFeatureWriter, self).languageSystem(langTag, scriptTag)

 

+    def table(self, name, data):

+        """Adds a table only once."""

+        if name in self.tableNames:

+            return

+        self.tableNames.add(name)

+        self._instructions.append("table %s {" % name)

+        self._instructions.extend(["  %s %s;" % line for line in data])

+        self._instructions.append("} %s;" % name)

+

 

 def compileFeatureRE(name):

     """Compiles a feature-matching regex."""