Generate a series of nested switch statements to parse CSSPrimitiveValue units.

third_party/WebKit/Source/build/scripts/make_css_primitive_value_unit_trie.py

Index: third_party/WebKit/Source/build/scripts/make_css_primitive_value_unit_trie.py
diff --git a/third_party/WebKit/Source/build/scripts/make_css_primitive_value_unit_trie.py b/third_party/WebKit/Source/build/scripts/make_css_primitive_value_unit_trie.py
new file mode 100755
index 0000000000000000000000000000000000000000..e8b4c15f4717e3ac561c96c1a47182d0872701bd
--- /dev/null
+++ b/third_party/WebKit/Source/build/scripts/make_css_primitive_value_unit_trie.py
@@ -0,0 +1,53 @@
+#!/usr/bin/env python
+# Copyright 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+from collections import OrderedDict
+from itertools import groupby
+import sys
+
+import in_generator
+import template_expander
+
+import make_element_lookup_trie
+
+
+class UnitTrieWriter(in_generator.Writer):
+    defaults = {
+        'unit_type': None
+    }
+    default_parameters = {}
+
+    def __init__(self, in_file_paths):
+        super(UnitTrieWriter, self).__init__(in_file_paths)
+
+        self._dict = {}
+        self._empty_case_return_value = None
+        for entry in self.in_file.name_dictionaries:
+            name = entry["name"].strip('"')
+            if name:
+                self._dict[name] = entry["unit_type"]
+            else:
+                # There should only be one of these.
+                self._empty_case_return_value = entry["unit_type"]
+
+        self._outputs = {
+            'CSSPrimitiveValueUnitTrie.cpp': self.generate_implementation
+        }
+
+    @template_expander.use_jinja('CSSPrimitiveValueUnitTrie.h.tmpl')
+    def generate_header(self):

[Timothy Loh, 2016/05/03 07:40:25]

unused

[meade_UTC10, 2016/05/04 07:24:54]

Done.

+        return {}
+
+    @template_expander.use_jinja('CSSPrimitiveValueUnitTrie.cpp.tmpl')
+    def generate_implementation(self):
+        # BAR
+        return {
+            'empty_case_return_value': self._empty_case_return_value,
+            'length_tries': make_element_lookup_trie._trie_list(self._dict)
+        }
+
+
+if __name__ == '__main__':
+    in_generator.Maker(UnitTrieWriter).main(sys.argv)