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comparison mercurial/templater.py @ 8474:bccc90b56d02

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templater: clean up the process method, separating code paths
author Dirkjan Ochtman <dirkjan@ochtman.nl>
date Sun, 17 May 2009 16:05:50 +0200
parents 0bf0045000b5
children caaf1e779b37
comparison
equal deleted inserted replaced
8473:69f51fd9fb48 8474:bccc90b56d02
68 elif hasattr(item, '__iter__'): 68 elif hasattr(item, '__iter__'):
69 iters.insert(0, iter(item)) 69 iters.insert(0, iter(item))
70 else: 70 else:
71 yield str(item) 71 yield str(item)
72 72
73 def _format(self, key, format, get, map):
74 v = get(key)
75 if not hasattr(v, '__iter__'):
76 raise SyntaxError(_("Error expanding '%s%%%s'") % (key, format))
77 lm = map.copy()
78 for i in v:
79 lm.update(i)
80 yield self.process(format, lm)
81
82 def _filter(self, key, filters, get, map):
83 v = get(key)
84 for f in filters.split('|')[1:]:
85 v = self.filters[f](v)
86 return v
87
73 def _process(self, tmpl, map): 88 def _process(self, tmpl, map):
74 '''Render a template. Returns a generator.''' 89 '''Render a template. Returns a generator.'''
90
91 def get(key):
92 v = map.get(key)
93 if v is None:
94 v = self.defaults.get(key, '')
95 if hasattr(v, '__call__'):
96 v = v(**map)
97 return v
98
75 while tmpl: 99 while tmpl:
76 m = self.template_re.search(tmpl) 100 m = self.template_re.search(tmpl)
77 if not m: 101 if not m:
78 yield tmpl 102 yield tmpl
79 break 103 break
80 104
81 start, end = m.span(0) 105 start, end = m.span(0)
82 key, format, fl = m.groups() 106 key, fmt, fl = m.groups()
83 107
84 if start: 108 if start:
85 yield tmpl[:start] 109 yield tmpl[:start]
86 tmpl = tmpl[end:] 110 tmpl = tmpl[end:]
87 111
88 if key in map: 112 if fmt:
89 v = map[key] 113 yield self._format(key, fmt, get, map)
114 elif fl:
115 yield self._filter(key, fl, get, map)
90 else: 116 else:
91 v = self.defaults.get(key, "") 117 yield get(key)
92 if hasattr(v, '__call__'):
93 v = v(**map)
94 if format:
95 if not hasattr(v, '__iter__'):
96 raise SyntaxError(_("Error expanding '%s%%%s'")
97 % (key, format))
98 lm = map.copy()
99 for i in v:
100 lm.update(i)
101 yield self.process(format, lm)
102 else:
103 if fl:
104 for f in fl.split("|")[1:]:
105 v = self.filters[f](v)
106 yield v
107 118
108 engines = {'default': engine} 119 engines = {'default': engine}
109 120
110 class templater(object): 121 class templater(object):
111 122