Mercurial > genshi > mirror
comparison genshi/template/markup.py @ 591:bb8141898891 stable-0.4.x
Ported [704] to 0.4.x branch.
| author | cmlenz |
|---|---|
| date | Fri, 10 Aug 2007 09:52:13 +0000 |
| parents | dc8646e2e918 |
| children |
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| 589:3cb55344d62f | 591:bb8141898891 |
|---|---|
| 81 def _parse(self, source, encoding): | 81 def _parse(self, source, encoding): |
| 82 streams = [[]] # stacked lists of events of the "compiled" template | 82 streams = [[]] # stacked lists of events of the "compiled" template |
| 83 dirmap = {} # temporary mapping of directives to elements | 83 dirmap = {} # temporary mapping of directives to elements |
| 84 ns_prefix = {} | 84 ns_prefix = {} |
| 85 depth = 0 | 85 depth = 0 |
| 86 in_fallback = 0 | 86 fallbacks = [] |
| 87 include_href = None | 87 includes = [] |
| 88 | 88 |
| 89 if not isinstance(source, Stream): | 89 if not isinstance(source, Stream): |
| 90 source = XMLParser(source, filename=self.filename, | 90 source = XMLParser(source, filename=self.filename, |
| 91 encoding=encoding) | 91 encoding=encoding) |
| 92 | 92 |
| 152 include_href = new_attrs.get('href') | 152 include_href = new_attrs.get('href') |
| 153 if not include_href: | 153 if not include_href: |
| 154 raise TemplateSyntaxError('Include misses required ' | 154 raise TemplateSyntaxError('Include misses required ' |
| 155 'attribute "href"', | 155 'attribute "href"', |
| 156 self.filepath, *pos[1:]) | 156 self.filepath, *pos[1:]) |
| 157 includes.append(include_href) | |
| 157 streams.append([]) | 158 streams.append([]) |
| 158 elif tag.localname == 'fallback': | 159 elif tag.localname == 'fallback': |
| 159 in_fallback += 1 | 160 streams.append([]) |
| 161 fallbacks.append(streams[-1]) | |
| 160 | 162 |
| 161 else: | 163 else: |
| 162 stream.append((kind, (tag, new_attrs), pos)) | 164 stream.append((kind, (tag, new_attrs), pos)) |
| 163 | 165 |
| 164 depth += 1 | 166 depth += 1 |
| 165 | 167 |
| 166 elif kind is END: | 168 elif kind is END: |
| 167 depth -= 1 | 169 depth -= 1 |
| 168 | 170 |
| 169 if in_fallback and data == self.XINCLUDE_NAMESPACE['fallback']: | 171 if fallbacks and data == self.XINCLUDE_NAMESPACE['fallback']: |
| 170 in_fallback -= 1 | 172 assert streams.pop() is fallbacks[-1] |
| 171 elif data == self.XINCLUDE_NAMESPACE['include']: | 173 elif data == self.XINCLUDE_NAMESPACE['include']: |
| 172 fallback = streams.pop() | 174 fallback = None |
| 175 if len(fallbacks) == len(includes): | |
| 176 fallback = fallbacks.pop() | |
| 177 streams.pop() # discard anything between the include tags | |
| 178 # and the fallback element | |
| 173 stream = streams[-1] | 179 stream = streams[-1] |
| 174 stream.append((INCLUDE, (include_href, fallback), pos)) | 180 stream.append((INCLUDE, (includes.pop(), fallback), pos)) |
| 175 else: | 181 else: |
| 176 stream.append((kind, data, pos)) | 182 stream.append((kind, data, pos)) |
| 177 | 183 |
| 178 # If there have have directive attributes with the corresponding | 184 # If there have have directive attributes with the corresponding |
| 179 # start tag, move the events inbetween into a "subprogram" | 185 # start tag, move the events inbetween into a "subprogram" |
| 223 assert len(streams) == 1 | 229 assert len(streams) == 1 |
| 224 return streams[0] | 230 return streams[0] |
| 225 | 231 |
| 226 def _prepare(self, stream): | 232 def _prepare(self, stream): |
| 227 for kind, data, pos in Template._prepare(self, stream): | 233 for kind, data, pos in Template._prepare(self, stream): |
| 228 if kind is INCLUDE: | 234 if kind is INCLUDE and data[1]: |
| 229 data = data[0], list(self._prepare(data[1])) | 235 data = data[0], list(self._prepare(data[1])) |
| 230 yield kind, data, pos | 236 yield kind, data, pos |
| 231 | 237 |
| 232 def _exec(self, stream, ctxt): | 238 def _exec(self, stream, ctxt): |
| 233 """Internal stream filter that executes code in ``<?python ?>`` | 239 """Internal stream filter that executes code in ``<?python ?>`` |