[PATCH 6 of 8] formatter: provide hint of referenced field names
Yuya Nishihara
yuya at tcha.org
Thu Jun 14 11:40:31 EDT 2018
# HG changeset patch
# User Yuya Nishihara <yuya at tcha.org>
# Date 1525316209 -32400
# Thu May 03 11:56:49 2018 +0900
# Node ID b330c4cff0bd57e21e4ca08ef18b8f7e512741a6
# Parent 92efa37a0696007f5445c6cd69a395fb2e1cdd5f
formatter: provide hint of referenced field names
I don't like the function name, but I call it datahint() for consistency
with another function I'll add later, fm.contexthint().
diff --git a/mercurial/formatter.py b/mercurial/formatter.py
--- a/mercurial/formatter.py
+++ b/mercurial/formatter.py
@@ -198,6 +198,9 @@ class baseformatter(object):
assert all(k in {'ctx', 'fctx'} for k in ctxs)
if self._converter.storecontext:
self._item.update(ctxs)
+ def datahint(self):
+ '''set of field names to be referenced'''
+ return set()
def data(self, **data):
'''insert data into item that's not shown in default output'''
data = pycompat.byteskwargs(data)
@@ -411,6 +414,14 @@ class templateformatter(baseformatter):
ref = self._parts[part]
self._out.write(self._t.render(ref, item))
+ @util.propertycache
+ def _symbolsused(self):
+ return self._t.symbolsuseddefault()
+
+ def datahint(self):
+ '''set of field names to be referenced from the template'''
+ return self._symbolsused[0]
+
def end(self):
baseformatter.end(self)
self._renderitem('docfooter', {})
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