diff options
Diffstat (limited to 'jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/trie')
4 files changed, 160 insertions, 0 deletions
diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/trie/__init__.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/trie/__init__.py new file mode 100644 index 0000000..a8cca8a --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/trie/__init__.py @@ -0,0 +1,12 @@ +from __future__ import absolute_import, division, unicode_literals + +from .py import Trie as PyTrie + +Trie = PyTrie + +try: + from .datrie import Trie as DATrie +except ImportError: + pass +else: + Trie = DATrie diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/trie/_base.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/trie/_base.py new file mode 100644 index 0000000..724486b --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/trie/_base.py @@ -0,0 +1,37 @@ +from __future__ import absolute_import, division, unicode_literals + +from collections import Mapping + + +class Trie(Mapping): + """Abstract base class for tries""" + + def keys(self, prefix=None): + keys = super().keys() + + if prefix is None: + return set(keys) + + # Python 2.6: no set comprehensions + return set([x for x in keys if x.startswith(prefix)]) + + def has_keys_with_prefix(self, prefix): + for key in self.keys(): + if key.startswith(prefix): + return True + + return False + + def longest_prefix(self, prefix): + if prefix in self: + return prefix + + for i in range(1, len(prefix) + 1): + if prefix[:-i] in self: + return prefix[:-i] + + raise KeyError(prefix) + + def longest_prefix_item(self, prefix): + lprefix = self.longest_prefix(prefix) + return (lprefix, self[lprefix]) diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/trie/datrie.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/trie/datrie.py new file mode 100644 index 0000000..e2e5f86 --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/trie/datrie.py @@ -0,0 +1,44 @@ +from __future__ import absolute_import, division, unicode_literals + +from datrie import Trie as DATrie +from pip._vendor.six import text_type + +from ._base import Trie as ABCTrie + + +class Trie(ABCTrie): + def __init__(self, data): + chars = set() + for key in data.keys(): + if not isinstance(key, text_type): + raise TypeError("All keys must be strings") + for char in key: + chars.add(char) + + self._data = DATrie("".join(chars)) + for key, value in data.items(): + self._data[key] = value + + def __contains__(self, key): + return key in self._data + + def __len__(self): + return len(self._data) + + def __iter__(self): + raise NotImplementedError() + + def __getitem__(self, key): + return self._data[key] + + def keys(self, prefix=None): + return self._data.keys(prefix) + + def has_keys_with_prefix(self, prefix): + return self._data.has_keys_with_prefix(prefix) + + def longest_prefix(self, prefix): + return self._data.longest_prefix(prefix) + + def longest_prefix_item(self, prefix): + return self._data.longest_prefix_item(prefix) diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/trie/py.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/trie/py.py new file mode 100644 index 0000000..c178b21 --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/trie/py.py @@ -0,0 +1,67 @@ +from __future__ import absolute_import, division, unicode_literals +from pip._vendor.six import text_type + +from bisect import bisect_left + +from ._base import Trie as ABCTrie + + +class Trie(ABCTrie): + def __init__(self, data): + if not all(isinstance(x, text_type) for x in data.keys()): + raise TypeError("All keys must be strings") + + self._data = data + self._keys = sorted(data.keys()) + self._cachestr = "" + self._cachepoints = (0, len(data)) + + def __contains__(self, key): + return key in self._data + + def __len__(self): + return len(self._data) + + def __iter__(self): + return iter(self._data) + + def __getitem__(self, key): + return self._data[key] + + def keys(self, prefix=None): + if prefix is None or prefix == "" or not self._keys: + return set(self._keys) + + if prefix.startswith(self._cachestr): + lo, hi = self._cachepoints + start = i = bisect_left(self._keys, prefix, lo, hi) + else: + start = i = bisect_left(self._keys, prefix) + + keys = set() + if start == len(self._keys): + return keys + + while self._keys[i].startswith(prefix): + keys.add(self._keys[i]) + i += 1 + + self._cachestr = prefix + self._cachepoints = (start, i) + + return keys + + def has_keys_with_prefix(self, prefix): + if prefix in self._data: + return True + + if prefix.startswith(self._cachestr): + lo, hi = self._cachepoints + i = bisect_left(self._keys, prefix, lo, hi) + else: + i = bisect_left(self._keys, prefix) + + if i == len(self._keys): + return False + + return self._keys[i].startswith(prefix) |