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templater: factor out thin helper that evaluates argument as string
authorYuya Nishihara <yuya@tcha.org>
Sun, 14 Feb 2016 13:30:32 +0900
changeset 28348 ccedb17a5657
parent 28347 ccb33e965150
child 28349 7cb2f2438f85
templater: factor out thin helper that evaluates argument as string This function is trivial, but it can make it clear that args[i] is a (func, data) pair.
hgext/color.py file | annotate | diff | comparison | revisions
mercurial/templater.py file | annotate | diff | comparison | revisions 
--- a/hgext/color.py	Sat Mar 05 00:01:36 2016 +0900
+++ b/hgext/color.py	Sun Feb 14 13:30:32 2016 +0900
@@ -489,16 +489,14 @@
     # etc. don't need to be quoted
     mapping.update(dict([(k, k) for k in _effects]))
 
-    thing = args[1][0](context, mapping, args[1][1])
-    thing = templater.stringify(thing)
+    thing = templater.evalstring(context, mapping, args[1])
 
     # apparently, repo could be a string that is the favicon?
     repo = mapping.get('repo', '')
     if isinstance(repo, str):
         return thing
 
-    label = args[0][0](context, mapping, args[0][1])
-    label = templater.stringify(label)
+    label = templater.evalstring(context, mapping, args[0])
 
     return repo.ui.label(thing, label)
 
--- a/mercurial/templater.py	Sat Mar 05 00:01:36 2016 +0900
+++ b/mercurial/templater.py	Sun Feb 14 13:30:32 2016 +0900
@@ -227,6 +227,10 @@
     except (TypeError, ValueError):
         raise error.ParseError(err)
 
+def evalstring(context, mapping, arg):
+    func, data = arg
+    return stringify(func(context, mapping, data))
+
 def runinteger(context, mapping, data):
     return int(data)
 
@@ -339,7 +343,7 @@
     date = evalfuncarg(context, mapping, args[0])
     fmt = None
     if len(args) == 2:
-        fmt = stringify(args[1][0](context, mapping, args[1][1]))
+        fmt = evalstring(context, mapping, args[1])
     try:
         if fmt is None:
             return util.datestr(date)
@@ -358,7 +362,7 @@
 
     def getpatterns(i):
         if i < len(args):
-            s = stringify(args[i][0](context, mapping, args[i][1])).strip()
+            s = evalstring(context, mapping, args[i]).strip()
             if s:
                 return [s]
         return []
@@ -375,7 +379,7 @@
         # i18n: "fill" is a keyword
         raise error.ParseError(_("fill expects one to four arguments"))
 
-    text = stringify(args[0][0](context, mapping, args[0][1]))
+    text = evalstring(context, mapping, args[0])
     width = 76
     initindent = ''
     hangindent = ''
@@ -384,8 +388,8 @@
                             # i18n: "fill" is a keyword
                             _("fill expects an integer width"))
         try:
-            initindent = stringify(args[2][0](context, mapping, args[2][1]))
-            hangindent = stringify(args[3][0](context, mapping, args[3][1]))
+            initindent = evalstring(context, mapping, args[2])
+            hangindent = evalstring(context, mapping, args[3])
         except IndexError:
             pass
 
@@ -402,12 +406,12 @@
                         # i18n: "pad" is a keyword
                         _("pad() expects an integer width"))
 
-    text = stringify(args[0][0](context, mapping, args[0][1]))
+    text = evalstring(context, mapping, args[0])
 
     right = False
     fillchar = ' '
     if len(args) > 2:
-        fillchar = stringify(args[2][0](context, mapping, args[2][1]))
+        fillchar = evalstring(context, mapping, args[2])
     if len(args) > 3:
         right = util.parsebool(args[3][1])
 
@@ -425,11 +429,11 @@
         # i18n: "indent" is a keyword
         raise error.ParseError(_("indent() expects two or three arguments"))
 
-    text = stringify(args[0][0](context, mapping, args[0][1]))
-    indent = stringify(args[1][0](context, mapping, args[1][1]))
+    text = evalstring(context, mapping, args[0])
+    indent = evalstring(context, mapping, args[1])
 
     if len(args) == 3:
-        firstline = stringify(args[2][0](context, mapping, args[2][1]))
+        firstline = evalstring(context, mapping, args[2])
     else:
         firstline = indent
 
@@ -459,7 +463,7 @@
         # i18n: "if" is a keyword
         raise error.ParseError(_("if expects two or three arguments"))
 
-    test = stringify(args[0][0](context, mapping, args[0][1]))
+    test = evalstring(context, mapping, args[0])
     if test:
         yield args[1][0](context, mapping, args[1][1])
     elif len(args) == 3:
@@ -472,7 +476,7 @@
         # i18n: "ifcontains" is a keyword
         raise error.ParseError(_("ifcontains expects three or four arguments"))
 
-    item = stringify(args[0][0](context, mapping, args[0][1]))
+    item = evalstring(context, mapping, args[0])
     items = evalfuncarg(context, mapping, args[1])
 
     if item in items:
@@ -487,8 +491,8 @@
         # i18n: "ifeq" is a keyword
         raise error.ParseError(_("ifeq expects three or four arguments"))
 
-    test = stringify(args[0][0](context, mapping, args[0][1]))
-    match = stringify(args[1][0](context, mapping, args[1][1]))
+    test = evalstring(context, mapping, args[0])
+    match = evalstring(context, mapping, args[1])
     if test == match:
         yield args[2][0](context, mapping, args[2][1])
     elif len(args) == 4:
@@ -507,7 +511,7 @@
 
     joiner = " "
     if len(args) > 1:
-        joiner = stringify(args[1][0](context, mapping, args[1][1]))
+        joiner = evalstring(context, mapping, args[1])
 
     first = True
     for x in joinset:
@@ -537,7 +541,7 @@
 
     pattern = None
     if len(args) == 1:
-        pattern = stringify(args[0][0](context, mapping, args[0][1]))
+        pattern = evalstring(context, mapping, args[0])
 
     return templatekw.showlatesttags(pattern, **mapping)
 
@@ -576,7 +580,7 @@
         # i18n: "revset" is a keyword
         raise error.ParseError(_("revset expects one or more arguments"))
 
-    raw = stringify(args[0][0](context, mapping, args[0][1]))
+    raw = evalstring(context, mapping, args[0])
     ctx = mapping['ctx']
     repo = ctx.repo()
 
@@ -605,8 +609,8 @@
         # i18n: "rstdoc" is a keyword
         raise error.ParseError(_("rstdoc expects two arguments"))
 
-    text = stringify(args[0][0](context, mapping, args[0][1]))
-    style = stringify(args[1][0](context, mapping, args[1][1]))
+    text = evalstring(context, mapping, args[0])
+    style = evalstring(context, mapping, args[1])
 
     return minirst.format(text, style=style, keep=['verbose'])
 
@@ -617,7 +621,7 @@
         # i18n: "shortest" is a keyword
         raise error.ParseError(_("shortest() expects one or two arguments"))
 
-    node = stringify(args[0][0](context, mapping, args[0][1]))
+    node = evalstring(context, mapping, args[0])
 
     minlength = 4
     if len(args) > 1:
@@ -671,9 +675,9 @@
         # i18n: "strip" is a keyword
         raise error.ParseError(_("strip expects one or two arguments"))
 
-    text = stringify(args[0][0](context, mapping, args[0][1]))
+    text = evalstring(context, mapping, args[0])
     if len(args) == 2:
-        chars = stringify(args[1][0](context, mapping, args[1][1]))
+        chars = evalstring(context, mapping, args[1])
         return text.strip(chars)
     return text.strip()
 
@@ -684,9 +688,9 @@
         # i18n: "sub" is a keyword
         raise error.ParseError(_("sub expects three arguments"))
 
-    pat = stringify(args[0][0](context, mapping, args[0][1]))
-    rpl = stringify(args[1][0](context, mapping, args[1][1]))
-    src = stringify(args[2][0](context, mapping, args[2][1]))
+    pat = evalstring(context, mapping, args[0])
+    rpl = evalstring(context, mapping, args[1])
+    src = evalstring(context, mapping, args[2])
     try:
         patre = re.compile(pat)
     except re.error:
@@ -705,8 +709,8 @@
         # i18n: "startswith" is a keyword
         raise error.ParseError(_("startswith expects two arguments"))
 
-    patn = stringify(args[0][0](context, mapping, args[0][1]))
-    text = stringify(args[1][0](context, mapping, args[1][1]))
+    patn = evalstring(context, mapping, args[0])
+    text = evalstring(context, mapping, args[1])
     if text.startswith(patn):
         return text
     return ''
@@ -722,9 +726,9 @@
     num = evalinteger(context, mapping, args[0],
                       # i18n: "word" is a keyword
                       _("word expects an integer index"))
-    text = stringify(args[1][0](context, mapping, args[1][1]))
+    text = evalstring(context, mapping, args[1])
     if len(args) == 3:
-        splitter = stringify(args[2][0](context, mapping, args[2][1]))
+        splitter = evalstring(context, mapping, args[2])
     else:
         splitter = None
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