diff options
Diffstat (limited to 'pystache/parser.py')
| -rw-r--r-- | pystache/parser.py | 39 |
1 files changed, 24 insertions, 15 deletions
diff --git a/pystache/parser.py b/pystache/parser.py index 74ffc01..5215c64 100644 --- a/pystache/parser.py +++ b/pystache/parser.py @@ -17,6 +17,15 @@ END_OF_LINE_CHARACTERS = [u'\r', u'\n'] NON_BLANK_RE = re.compile(ur'^(.)', re.M) +def parse(template, delimiters=None): + """ + Parse a unicode template string and return a ParsedTemplate instance. + + """ + parser = _Parser(delimiters) + return parser.parse(template) + + def _compile_template_re(delimiters=None): """ Return a regular expresssion object (re.RegexObject) instance. @@ -56,13 +65,13 @@ class ParsingError(Exception): ## Node types -class CommentNode(object): +class _CommentNode(object): def render(self, engine, context): return u'' -class ChangeNode(object): +class _ChangeNode(object): def __init__(self, delimiters): self.delimiters = delimiters @@ -71,7 +80,7 @@ class ChangeNode(object): return u'' -class Tag(object): +class _TagNode(object): def __init__(self, key): self.key = key @@ -81,7 +90,7 @@ class Tag(object): return engine.escape(s) -class LiteralNode(object): +class _LiteralNode(object): def __init__(self, key): self.key = key @@ -91,7 +100,7 @@ class LiteralNode(object): return engine.literal(s) -class PartialNode(object): +class _PartialNode(object): def __init__(self, key, indent): self.key = key @@ -105,7 +114,7 @@ class PartialNode(object): return engine.render(template, context) -class InvertedNode(object): +class _InvertedNode(object): def __init__(self, key, parsed_section): self.key = key @@ -122,7 +131,7 @@ class InvertedNode(object): return engine.render_parsed(self.parsed_section, context) -class SectionNode(object): +class _SectionNode(object): # TODO: the template_ and parsed_template_ arguments don't both seem # to be necessary. Can we remove one of them? For example, if @@ -168,7 +177,7 @@ class SectionNode(object): return unicode(''.join(parts)) -class Parser(object): +class _Parser(object): _delimiters = None _template_re = None @@ -292,21 +301,21 @@ class Parser(object): """ # TODO: switch to using a dictionary instead of a bunch of ifs and elifs. if tag_type == '!': - return CommentNode() + return _CommentNode() if tag_type == '=': delimiters = tag_key.split() self._change_delimiters(delimiters) - return ChangeNode(delimiters) + return _ChangeNode(delimiters) if tag_type == '': - return Tag(tag_key) + return _TagNode(tag_key) if tag_type == '&': - return LiteralNode(tag_key) + return _LiteralNode(tag_key) if tag_type == '>': - return PartialNode(tag_key, leading_whitespace) + return _PartialNode(tag_key, leading_whitespace) raise Exception("Invalid symbol for interpolation tag: %s" % repr(tag_type)) @@ -317,10 +326,10 @@ class Parser(object): """ if tag_type == '#': - return SectionNode(tag_key, parsed_section, self._delimiters, + return _SectionNode(tag_key, parsed_section, self._delimiters, template, section_start_index, section_end_index) if tag_type == '^': - return InvertedNode(tag_key, parsed_section) + return _InvertedNode(tag_key, parsed_section) raise Exception("Invalid symbol for section tag: %s" % repr(tag_type)) |