Mercurial > genshi > mirror
comparison genshi/path.py @ 261:da3137c427a2 stable-0.3.x
Ported [321:323] to 0.3.x stable branch.
| author | cmlenz |
|---|---|
| date | Fri, 22 Sep 2006 12:07:23 +0000 |
| parents | 6a809835cf62 |
| children | 24b3cbbc1b1b |
comparison
equal
deleted
inserted
replaced
| 257:5c8125e03b72 | 261:da3137c427a2 |
|---|---|
| 155 START (u'child', [(u'id', u'2')]) | 155 START (u'child', [(u'id', u'2')]) |
| 156 """ | 156 """ |
| 157 paths = [(p, len(p), [0], [], [0] * len(p)) for p in self.paths] | 157 paths = [(p, len(p), [0], [], [0] * len(p)) for p in self.paths] |
| 158 | 158 |
| 159 def _test(kind, data, pos, namespaces, variables): | 159 def _test(kind, data, pos, namespaces, variables): |
| 160 retval = None | |
| 160 for steps, size, cursors, cutoff, counter in paths: | 161 for steps, size, cursors, cutoff, counter in paths: |
| 161 | 162 |
| 162 # Manage the stack that tells us "where we are" in the stream | 163 # Manage the stack that tells us "where we are" in the stream |
| 163 if kind is END: | 164 if kind is END: |
| 164 if cursors: | 165 if cursors: |
| 165 cursors.pop() | 166 cursors.pop() |
| 166 continue | 167 continue |
| 167 elif kind is START: | 168 elif kind is START: |
| 168 cursors.append(cursors and cursors[-1] or 0) | 169 cursors.append(cursors and cursors[-1] or 0) |
| 169 elif not cursors: | 170 |
| 171 if retval or not cursors: | |
| 170 continue | 172 continue |
| 171 cursor = cursors[-1] | 173 cursor = cursors[-1] |
| 172 depth = len(cursors) | 174 depth = len(cursors) |
| 173 | 175 |
| 174 if cutoff and depth + int(kind is not START) > cutoff[0]: | 176 if cutoff and depth + int(kind is not START) > cutoff[0]: |
| 175 continue | 177 continue |
| 176 | 178 |
| 177 ctxtnode = not ignore_context and kind is START \ | 179 ctxtnode = not ignore_context and kind is START \ |
| 178 and depth == 2 | 180 and depth == 2 |
| 179 matched = retval = None | 181 matched = None |
| 180 while 1: | 182 while 1: |
| 181 # Fetch the next location step | 183 # Fetch the next location step |
| 182 axis, nodetest, predicates = steps[cursor] | 184 axis, nodetest, predicates = steps[cursor] |
| 183 | 185 |
| 184 # If this is the start event for the context node, and the | 186 # If this is the start event for the context node, and the |
| 260 cursor -= 1 | 262 cursor -= 1 |
| 261 cutoff[:] = [] | 263 cutoff[:] = [] |
| 262 break | 264 break |
| 263 cursors[-1] = cursor | 265 cursors[-1] = cursor |
| 264 | 266 |
| 265 if retval: | 267 return retval |
| 266 return retval | |
| 267 | 268 |
| 268 return _test | 269 return _test |
| 269 | 270 |
| 270 | 271 |
| 271 class PathSyntaxError(Exception): | 272 class PathSyntaxError(Exception): |