diff --git a/AUTHORS b/AUTHORS index 04987b60a..3d6d478e7 100644 --- a/AUTHORS +++ b/AUTHORS @@ -27,6 +27,7 @@ Other contributors, listed alphabetically, are: * Benjamin Peterson -- unittests * T. Powers -- HTML output improvements * Stefan Seefeld -- toctree improvements +* Shibukawa Yoshiki -- pluggable search API and Japanese search * Antonio Valentino -- qthelp builder * Pauli Virtanen -- autodoc improvements, autosummary extension * Stefan van der Walt -- autosummary extension diff --git a/CHANGES b/CHANGES index abe2bdd2b..b03f1df54 100644 --- a/CHANGES +++ b/CHANGES @@ -28,6 +28,9 @@ Release 1.1 (in development) requests and allow configuring the timeout. New config values: :confval:`linkcheck_timeout` and :confval:`linkcheck_workers`. +* #273: Add an API for adding full-text search support for languages + other than English. Add support for Japanese. + * #221: Add Swedish locale. * Added ``inline`` option to graphviz directives, and fixed the diff --git a/doc/config.rst b/doc/config.rst index 992a714ef..153d39507 100644 --- a/doc/config.rst +++ b/doc/config.rst @@ -694,6 +694,38 @@ that use Sphinx' HTMLWriter class. .. versionadded:: 1.0 +.. confval:: html_search_language + + Language to be used for generating the HTML full-text search index. This + defaults to the global language selected with :confval:`language`. If there + is no support for this language, ``"en"`` is used which selects the English + language. + + Support is present for these languages: + + * ``en`` -- English + * ``ja`` -- Japanese + + .. versionadded:: 1.1 + +.. confval:: html_search_options + + A dictionary with options for the search language support, empty by default. + The meaning of these options depends on the language selected. + + The English support has no options. + + The Japanese support has these options: + + * ``type`` -- ``'mecab'`` or ``'default'`` (selects either MeCab or + TinySegmenter word splitter algorithm) + * ``dic_enc`` -- the encoding for the MeCab algorithm + * ``dict`` -- the dictionary to use for the MeCab algorithm + * ``lib`` -- the library name for finding the MeCab library via ctypes if the + Python binding is not installed + + .. versionadded:: 1.1 + .. confval:: htmlhelp_basename Output file base name for HTML help builder. Default is ``'pydoc'``. diff --git a/doc/ext/appapi.rst b/doc/ext/appapi.rst index bbe2070fe..aa314584c 100644 --- a/doc/ext/appapi.rst +++ b/doc/ext/appapi.rst @@ -286,6 +286,15 @@ the following public API: .. versionadded:: 0.6 +.. method:: Sphinx.add_search_language(cls) + + Add *cls*, which must be a subclass of :class:`sphinx.search.SearchLanguage`, + as a support language for building the HTML full-text search index. The + class must have a *lang* attribute that indicates the language it should be + used for. See :confval:`html_search_language`. + + .. versionadded:: 1.1 + .. method:: Sphinx.connect(event, callback) Register *callback* to be called when *event* is emitted. For details on diff --git a/sphinx/application.py b/sphinx/application.py index 7042c439f..0d9326f0b 100644 --- a/sphinx/application.py +++ b/sphinx/application.py @@ -487,6 +487,11 @@ class Sphinx(object): from sphinx.ext import autodoc autodoc.AutoDirective._special_attrgetters[type] = getter + def add_search_language(self, cls): + from sphinx.search import languages, SearchLanguage + assert isinstance(cls, SearchLanguage) + languages[cls.lang] = cls + class TemplateBridge(object): """ diff --git a/sphinx/builders/html.py b/sphinx/builders/html.py index f28014995..ace4dd015 100644 --- a/sphinx/builders/html.py +++ b/sphinx/builders/html.py @@ -539,13 +539,18 @@ class StandaloneHTMLBuilder(Builder): if jsfile: copyfile(jsfile, path.join(self.outdir, '_static', 'translations.js')) + + # add context items for search function used in searchtools.js_t + ctx = self.globalcontext.copy() + ctx.update(self.indexer.globalcontext_for_searchtool()) + # then, copy over theme-supplied static files if self.theme: themeentries = [path.join(themepath, 'static') for themepath in self.theme.get_dirchain()[::-1]] for entry in themeentries: copy_static_entry(entry, path.join(self.outdir, '_static'), - self, self.globalcontext) + self, ctx) # then, copy over all user-supplied static files staticentries = [path.join(self.confdir, spath) for spath in self.config.html_static_path] @@ -558,7 +563,7 @@ class StandaloneHTMLBuilder(Builder): self.warn('html_static_path entry %r does not exist' % entry) continue copy_static_entry(entry, path.join(self.outdir, '_static'), self, - self.globalcontext, exclude_matchers=matchers) + ctx, exclude_matchers=matchers) # copy logo and favicon files if not already in static path if self.config.html_logo: logobase = path.basename(self.config.html_logo) diff --git a/sphinx/config.py b/sphinx/config.py index febc0a600..e86acaea5 100644 --- a/sphinx/config.py +++ b/sphinx/config.py @@ -106,6 +106,8 @@ class Config(object): html_output_encoding = ('utf-8', 'html'), html_compact_lists = (True, 'html'), html_secnumber_suffix = ('. ', 'html'), + html_search_language = (None, 'html'), + html_search_options = ({}, 'html'), # HTML help only options htmlhelp_basename = (lambda self: make_filename(self.project), None), diff --git a/sphinx/search.py b/sphinx/search/__init__.py similarity index 61% rename from sphinx/search.py rename to sphinx/search/__init__.py index 51f997c2d..ff3124542 100644 --- a/sphinx/search.py +++ b/sphinx/search/__init__.py @@ -3,7 +3,7 @@ sphinx.search ~~~~~~~~~~~~~ - Create a search index for offline search. + Create a full-text search index for offline search. :copyright: Copyright 2007-2011 by the Sphinx team, see AUTHORS. :license: BSD, see LICENSE for details. @@ -14,28 +14,90 @@ import cPickle as pickle from docutils.nodes import comment, Text, NodeVisitor, SkipNode from sphinx.util import jsdump, rpartition -try: - # http://bitbucket.org/methane/porterstemmer/ - from porterstemmer import Stemmer as CStemmer - CSTEMMER = True -except ImportError: - from sphinx.util.stemmer import PorterStemmer - CSTEMMER = False -word_re = re.compile(r'\w+(?u)') +class SearchLanguage(object): + """ + This class is the base class for search natural language preprocessors. If + you want to add support for a new language, you should override the methods + of this class. -stopwords = set(""" -a and are as at -be but by -for -if in into is it -near no not -of on or -such -that the their then there these they this to -was will with -""".split()) + You should override `lang` class property too (e.g. 'en', 'fr' and so on). + + .. attribute:: stopwords + + This is a set of stop words of the target language. Default `stopwords` + is empty. This word is used for building index and embedded in JS. + + .. attribute:: js_stemmer_code + + Return stemmer class of JavaScript version. This class' name should be + ``Stemmer`` and this class must have ``stemWord`` method. This string is + embedded as-is in searchtools.js. + + This class is used to preprocess search word which Sphinx HTML readers + type, before searching index. Default implementation does nothing. + """ + lang = None + stopwords = set() + js_stemmer_code = """ +/** + * Dummy stemmer for languages without stemming rules. + */ +var Stemmer = function() { + this.stemWord = function(w) { + return w; + } +} +""" + + _word_re = re.compile(r'\w+(?u)') + + def __init__(self, options): + self.options = options + self.init(options) + + def init(self, options): + """ + Initialize the class with the options the user has given. + """ + + def split(self, input): + """ + This method splits a sentence into words. Default splitter splits input + at white spaces, which should be enough for most languages except CJK + languages. + """ + return self._word_re.findall(input) + + def stem(self, word): + """ + This method implements stemming algorithm of the Python version. + + Default implementation does nothing. You should implement this if the + language has any stemming rules. + + This class is used to preprocess search words before registering them in + the search index. The stemming of the Python version and the JS version + (given in the js_stemmer_code attribute) must be compatible. + """ + return word + + def word_filter(self, word): + """ + Return true if the target word should be registered in the search index. + This method is called after stemming. + """ + return not (((len(word) < 3) and (12353 < ord(word[0]) < 12436)) or + (ord(word[0]) < 256 and (len(word) < 3 or word in self.stopwords or + word.isdigit()))) + +from sphinx.search import en, ja + +languages = { + 'en': en.SearchEnglish, + 'ja': ja.SearchJapanese, +} class _JavaScriptIndex(object): @@ -67,39 +129,21 @@ class _JavaScriptIndex(object): js_index = _JavaScriptIndex() -if CSTEMMER: - class Stemmer(CStemmer): - - def stem(self, word): - return self(word.lower()) - -else: - class Stemmer(PorterStemmer): - """ - All those porter stemmer implementations look hideous. - make at least the stem method nicer. - """ - - def stem(self, word): - word = word.lower() - return PorterStemmer.stem(self, word, 0, len(word) - 1) - - - class WordCollector(NodeVisitor): """ A special visitor that collects words for the `IndexBuilder`. """ - def __init__(self, document): + def __init__(self, document, lang): NodeVisitor.__init__(self, document) self.found_words = [] + self.lang = lang def dispatch_visit(self, node): if node.__class__ is comment: raise SkipNode if node.__class__ is Text: - self.found_words.extend(word_re.findall(node.astext())) + self.found_words.extend(self.lang.split(node.astext())) class IndexBuilder(object): @@ -114,7 +158,6 @@ class IndexBuilder(object): def __init__(self, env): self.env = env - self._stemmer = Stemmer() # filename -> title self._titles = {} # stemmed word -> set(filenames) @@ -123,6 +166,11 @@ class IndexBuilder(object): self._objtypes = {} # objtype index -> objname (localized) self._objnames = {} + # add language-specific SearchLanguage instance + search_language = env.config.html_search_language or env.config.language + if not search_language or search_language not in languages: + search_language = 'en' + self.lang = languages[search_language](env.config.html_search_options) def load(self, stream, format): """Reconstruct from frozen data.""" @@ -215,17 +263,22 @@ class IndexBuilder(object): """Feed a doctree to the index.""" self._titles[filename] = title - visitor = WordCollector(doctree) + visitor = WordCollector(doctree, self.lang) doctree.walk(visitor) - def add_term(word, stem=self._stemmer.stem): + def add_term(word, stem=self.lang.stem): word = stem(word) - if len(word) < 3 or word in stopwords or word.isdigit(): - return - self._mapping.setdefault(word, set()).add(filename) + if self.lang.word_filter(word): + self._mapping.setdefault(word, set()).add(filename) - for word in word_re.findall(title): + for word in self.lang.split(title): add_term(word) for word in visitor.found_words: add_term(word) + + def globalcontext_for_searchtool(self): + return dict( + search_language_stemming_code = self.lang.js_stemmer_code, + search_language_stop_words = jsdump.dumps(self.lang.stopwords), + ) diff --git a/sphinx/search/en.py b/sphinx/search/en.py new file mode 100644 index 000000000..16e93e891 --- /dev/null +++ b/sphinx/search/en.py @@ -0,0 +1,242 @@ +# -*- coding: utf-8 -*- +""" + sphinx.search_languages.en + ~~~~~~~~~~~~~~~~~~~~~~~~~~ + + English search language: includes the JS porter stemmer. + + :copyright: Copyright 2007-2011 by the Sphinx team, see AUTHORS. + :license: BSD, see LICENSE for details. +""" + +from sphinx.search import SearchLanguage + +try: + # http://bitbucket.org/methane/porterstemmer/ + from porterstemmer import Stemmer as CStemmer + CSTEMMER = True +except ImportError: + from sphinx.util.stemmer import PorterStemmer + CSTEMMER = False + + +english_stopwords = set(""" +a and are as at +be but by +for +if in into is it +near no not +of on or +such +that the their then there these they this to +was will with +""".split()) + +js_porter_stemmer = """ +/** + * Porter Stemmer + */ +var Stemmer = function() { + + var step2list = { + ational: 'ate', + tional: 'tion', + enci: 'ence', + anci: 'ance', + izer: 'ize', + bli: 'ble', + alli: 'al', + entli: 'ent', + eli: 'e', + ousli: 'ous', + ization: 'ize', + ation: 'ate', + ator: 'ate', + alism: 'al', + iveness: 'ive', + fulness: 'ful', + ousness: 'ous', + aliti: 'al', + iviti: 'ive', + biliti: 'ble', + logi: 'log' + }; + + var step3list = { + icate: 'ic', + ative: '', + alize: 'al', + iciti: 'ic', + ical: 'ic', + ful: '', + ness: '' + }; + + var c = "[^aeiou]"; // consonant + var v = "[aeiouy]"; // vowel + var C = c + "[^aeiouy]*"; // consonant sequence + var V = v + "[aeiou]*"; // vowel sequence + + var mgr0 = "^(" + C + ")?" + V + C; // [C]VC... is m>0 + var meq1 = "^(" + C + ")?" + V + C + "(" + V + ")?$"; // [C]VC[V] is m=1 + var mgr1 = "^(" + C + ")?" + V + C + V + C; // [C]VCVC... is m>1 + var s_v = "^(" + C + ")?" + v; // vowel in stem + + this.stemWord = function (w) { + var stem; + var suffix; + var firstch; + var origword = w; + + if (w.length < 3) + return w; + + var re; + var re2; + var re3; + var re4; + + firstch = w.substr(0,1); + if (firstch == "y") + w = firstch.toUpperCase() + w.substr(1); + + // Step 1a + re = /^(.+?)(ss|i)es$/; + re2 = /^(.+?)([^s])s$/; + + if (re.test(w)) + w = w.replace(re,"$1$2"); + else if (re2.test(w)) + w = w.replace(re2,"$1$2"); + + // Step 1b + re = /^(.+?)eed$/; + re2 = /^(.+?)(ed|ing)$/; + if (re.test(w)) { + var fp = re.exec(w); + re = new RegExp(mgr0); + if (re.test(fp[1])) { + re = /.$/; + w = w.replace(re,""); + } + } + else if (re2.test(w)) { + var fp = re2.exec(w); + stem = fp[1]; + re2 = new RegExp(s_v); + if (re2.test(stem)) { + w = stem; + re2 = /(at|bl|iz)$/; + re3 = new RegExp("([^aeiouylsz])\\1$"); + re4 = new RegExp("^" + C + v + "[^aeiouwxy]$"); + if (re2.test(w)) + w = w + "e"; + else if (re3.test(w)) { + re = /.$/; + w = w.replace(re,""); + } + else if (re4.test(w)) + w = w + "e"; + } + } + + // Step 1c + re = /^(.+?)y$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + re = new RegExp(s_v); + if (re.test(stem)) + w = stem + "i"; + } + + // Step 2 + re = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + suffix = fp[2]; + re = new RegExp(mgr0); + if (re.test(stem)) + w = stem + step2list[suffix]; + } + + // Step 3 + re = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + suffix = fp[2]; + re = new RegExp(mgr0); + if (re.test(stem)) + w = stem + step3list[suffix]; + } + + // Step 4 + re = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/; + re2 = /^(.+?)(s|t)(ion)$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + re = new RegExp(mgr1); + if (re.test(stem)) + w = stem; + } + else if (re2.test(w)) { + var fp = re2.exec(w); + stem = fp[1] + fp[2]; + re2 = new RegExp(mgr1); + if (re2.test(stem)) + w = stem; + } + + // Step 5 + re = /^(.+?)e$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + re = new RegExp(mgr1); + re2 = new RegExp(meq1); + re3 = new RegExp("^" + C + v + "[^aeiouwxy]$"); + if (re.test(stem) || (re2.test(stem) && !(re3.test(stem)))) + w = stem; + } + re = /ll$/; + re2 = new RegExp(mgr1); + if (re.test(w) && re2.test(w)) { + re = /.$/; + w = w.replace(re,""); + } + + // and turn initial Y back to y + if (firstch == "y") + w = firstch.toLowerCase() + w.substr(1); + return w; + } +} +""" + + +class SearchEnglish(SearchLanguage): + lang = 'en' + js_stemmer_code = js_porter_stemmer + stopwords = english_stopwords + + def init(self, options): + if CSTEMMER: + class Stemmer(CStemmer): + def stem(self, word): + return self(word.lower()) + else: + class Stemmer(PorterStemmer): + """All those porter stemmer implementations look hideous; + make at least the stem method nicer. + """ + def stem(self, word): + word = word.lower() + return PorterStemmer.stem(self, word, 0, len(word) - 1) + + self.stemmer = Stemmer() + + def stem(self, word): + return self.stemmer.stem(word) diff --git a/sphinx/search/ja.py b/sphinx/search/ja.py new file mode 100644 index 000000000..18d21bf01 --- /dev/null +++ b/sphinx/search/ja.py @@ -0,0 +1,273 @@ +# -*- coding: utf-8 -*- +""" + sphinx.search_languages.ja + ~~~~~~~~~~~~~~~~~~~~~~~~~~ + + Japanese search language: includes routine to split words. + + :copyright: Copyright 2007-2011 by the Sphinx team, see AUTHORS. + :license: BSD, see LICENSE for details. +""" + +# Python Version of TinySegmenter +# (http://chasen.org/~taku/software/TinySegmenter/) +# TinySegmenter is super compact Japanese tokenizer. +# +# TinySegmenter was originally developed by Taku Kudo . +# Python Version was developed by xnights . +# For details, see http://programming-magic.com/?id=170 + +import os +import re +import sys + +try: + import MeCab + native_module = True +except ImportError: + native_module = False + +from sphinx.search import SearchLanguage + + +class MecabBinder(object): + def __init__(self, options): + self.ctypes_libmecab = None + self.ctypes_mecab = None + if not native_module: + self.init_ctypes(options) + else: + self.init_native(options) + self.dict_encode = options.get('dic_enc', 'utf-8') + + def split(self, input): + input2 = input.encode(self.dict_encode) + if native_module: + result = self.native.parse(input2) + else: + result = self.ctypes_libmecab.mecab_sparse_tostr( + self.ctypes_mecab, input) + return result.decode(self.dict_encode).split(' ') + + def init_native(self, options): + param = '-Owakati' + dict = options.get('dict') + if dict: + param += ' -d %s' % dict + self.native = MeCab.Tagger(param) + + def init_ctypes(self, options): + import ctypes.util + + lib = options.get('lib') + + if lib is None: + if sys.platform.startswith('win'): + libname = 'libmecab.dll' + else: + libname = 'mecab' + libpath = ctypes.util.find_library(libname) + elif os.path.basename(lib) == lib: + libpath = ctypes.util.find_library(lib) + else: + libpath = None + if os.path.exists(lib): + libpath = lib + if libpath is None: + raise RuntimeError('MeCab dynamic library is not available') + + param = 'mecab -Owakati' + dict = options.get('dict') + if dict: + param += ' -d %s' % dict + + self.ctypes_libmecab = ctypes.CDLL(libpath) + self.ctypes_libmecab.mecab_sparse_tostr.restype = ctypes.c_char_p + self.ctypes_mecab = self.libmecab.mecab_new2(param) + + def __del__(self): + if self.ctypes_libmecab: + self.ctypes_libmecab.mecab_destroy(self.ctypes_mecab) + + +class TinySegmenter(object): + patterns_ = dict([(re.compile(pattern), value) for pattern, value in { + u'[一二三四五六七八九十百千万億兆]': u'M', + u'[一-龠々〆ヵヶ]': u'H', + u'[ぁ-ん]': u'I', + u'[ァ-ヴーｱ-ﾝﾞｰ]': u'K', + u'[a-zA-Zａ-ｚＡ-Ｚ]': u'A', + u'[0-9０-９]': u'N', + }.iteritems()]) + BIAS__ = -332 + BC1__ = {u'HH':6,u'II':2461,u'KH':406,u'OH':-1378} + BC2__ = {u'AA':-3267,u'AI':2744,u'AN':-878,u'HH':-4070,u'HM':-1711,u'HN':4012,u'HO':3761,u'IA':1327,u'IH':-1184,u'II':-1332,u'IK':1721,u'IO':5492,u'KI':3831,u'KK':-8741,u'MH':-3132,u'MK':3334,u'OO':-2920} + BC3__ = {u'HH':996,u'HI':626,u'HK':-721,u'HN':-1307,u'HO':-836,u'IH':-301,u'KK':2762,u'MK':1079,u'MM':4034,u'OA':-1652,u'OH':266} + BP1__ = {u'BB':295,u'OB':304,u'OO':-125,u'UB':352} + BP2__ = {u'BO':60,u'OO':-1762} + BQ1__ = {u'BHH':1150,u'BHM':1521,u'BII':-1158,u'BIM':886,u'BMH':1208,u'BNH':449,u'BOH':-91,u'BOO':-2597,u'OHI':451,u'OIH':-296,u'OKA':1851,u'OKH':-1020,u'OKK':904,u'OOO':2965} + BQ2__ = {u'BHH':118,u'BHI':-1159,u'BHM':466,u'BIH':-919,u'BKK':-1720,u'BKO':864,u'OHH':-1139,u'OHM':-181,u'OIH':153,u'UHI':-1146} + BQ3__ = {u'BHH':-792,u'BHI':2664,u'BII':-299,u'BKI':419,u'BMH':937,u'BMM':8335,u'BNN':998,u'BOH':775,u'OHH':2174,u'OHM':439,u'OII':280,u'OKH':1798,u'OKI':-793,u'OKO':-2242,u'OMH':-2402,u'OOO':11699} + BQ4__ = {u'BHH':-3895,u'BIH':3761,u'BII':-4654,u'BIK':1348,u'BKK':-1806,u'BMI':-3385,u'BOO':-12396,u'OAH':926,u'OHH':266,u'OHK':-2036,u'ONN':-973} + BW1__ = {u',と':660,u',同':727,u'B1あ':1404,u'B1同':542,u'、と':660,u'、同':727,u'」と':1682,u'あっ':1505,u'いう':1743,u'いっ':-2055,u'いる':672,u'うし':-4817,u'うん':665,u'から':3472,u'がら':600,u'こう':-790,u'こと':2083,u'こん':-1262,u'さら':-4143,u'さん':4573,u'した':2641,u'して':1104,u'すで':-3399,u'そこ':1977,u'それ':-871,u'たち':1122,u'ため':601,u'った':3463,u'つい':-802,u'てい':805,u'てき':1249,u'でき':1127,u'です':3445,u'では':844,u'とい':-4915,u'とみ':1922,u'どこ':3887,u'ない':5713,u'なっ':3015,u'など':7379,u'なん':-1113,u'にし':2468,u'には':1498,u'にも':1671,u'に対':-912,u'の一':-501,u'の中':741,u'ませ':2448,u'まで':1711,u'まま':2600,u'まる':-2155,u'やむ':-1947,u'よっ':-2565,u'れた':2369,u'れで':-913,u'をし':1860,u'を見':731,u'亡く':-1886,u'京都':2558,u'取り':-2784,u'大き':-2604,u'大阪':1497,u'平方':-2314,u'引き':-1336,u'日本':-195,u'本当':-2423,u'毎日':-2113,u'目指':-724,u'Ｂ１あ':1404,u'Ｂ１同':542,u'｣と':1682} + BW2__ = {u'..':-11822,u'11':-669,u'――':-5730,u'−−':-13175,u'いう':-1609,u'うか':2490,u'かし':-1350,u'かも':-602,u'から':-7194,u'かれ':4612,u'がい':853,u'がら':-3198,u'きた':1941,u'くな':-1597,u'こと':-8392,u'この':-4193,u'させ':4533,u'され':13168,u'さん':-3977,u'しい':-1819,u'しか':-545,u'した':5078,u'して':972,u'しな':939,u'その':-3744,u'たい':-1253,u'たた':-662,u'ただ':-3857,u'たち':-786,u'たと':1224,u'たは':-939,u'った':4589,u'って':1647,u'っと':-2094,u'てい':6144,u'てき':3640,u'てく':2551,u'ては':-3110,u'ても':-3065,u'でい':2666,u'でき':-1528,u'でし':-3828,u'です':-4761,u'でも':-4203,u'とい':1890,u'とこ':-1746,u'とと':-2279,u'との':720,u'とみ':5168,u'とも':-3941,u'ない':-2488,u'なが':-1313,u'など':-6509,u'なの':2614,u'なん':3099,u'にお':-1615,u'にし':2748,u'にな':2454,u'によ':-7236,u'に対':-14943,u'に従':-4688,u'に関':-11388,u'のか':2093,u'ので':-7059,u'のに':-6041,u'のの':-6125,u'はい':1073,u'はが':-1033,u'はず':-2532,u'ばれ':1813,u'まし':-1316,u'まで':-6621,u'まれ':5409,u'めて':-3153,u'もい':2230,u'もの':-10713,u'らか':-944,u'らし':-1611,u'らに':-1897,u'りし':651,u'りま':1620,u'れた':4270,u'れて':849,u'れば':4114,u'ろう':6067,u'われ':7901,u'を通':-11877,u'んだ':728,u'んな':-4115,u'一人':602,u'一方':-1375,u'一日':970,u'一部':-1051,u'上が':-4479,u'会社':-1116,u'出て':2163,u'分の':-7758,u'同党':970,u'同日':-913,u'大阪':-2471,u'委員':-1250,u'少な':-1050,u'年度':-8669,u'年間':-1626,u'府県':-2363,u'手権':-1982,u'新聞':-4066,u'日新':-722,u'日本':-7068,u'日米':3372,u'曜日':-601,u'朝鮮':-2355,u'本人':-2697,u'東京':-1543,u'然と':-1384,u'社会':-1276,u'立て':-990,u'第に':-1612,u'米国':-4268,u'１１':-669} + BW3__ = {u'あた':-2194,u'あり':719,u'ある':3846,u'い.':-1185,u'い。':-1185,u'いい':5308,u'いえ':2079,u'いく':3029,u'いた':2056,u'いっ':1883,u'いる':5600,u'いわ':1527,u'うち':1117,u'うと':4798,u'えと':1454,u'か.':2857,u'か。':2857,u'かけ':-743,u'かっ':-4098,u'かに':-669,u'から':6520,u'かり':-2670,u'が,':1816,u'が、':1816,u'がき':-4855,u'がけ':-1127,u'がっ':-913,u'がら':-4977,u'がり':-2064,u'きた':1645,u'けど':1374,u'こと':7397,u'この':1542,u'ころ':-2757,u'さい':-714,u'さを':976,u'し,':1557,u'し、':1557,u'しい':-3714,u'した':3562,u'して':1449,u'しな':2608,u'しま':1200,u'す.':-1310,u'す。':-1310,u'する':6521,u'ず,':3426,u'ず、':3426,u'ずに':841,u'そう':428,u'た.':8875,u'た。':8875,u'たい':-594,u'たの':812,u'たり':-1183,u'たる':-853,u'だ.':4098,u'だ。':4098,u'だっ':1004,u'った':-4748,u'って':300,u'てい':6240,u'てお':855,u'ても':302,u'です':1437,u'でに':-1482,u'では':2295,u'とう':-1387,u'とし':2266,u'との':541,u'とも':-3543,u'どう':4664,u'ない':1796,u'なく':-903,u'など':2135,u'に,':-1021,u'に、':-1021,u'にし':1771,u'にな':1906,u'には':2644,u'の,':-724,u'の、':-724,u'の子':-1000,u'は,':1337,u'は、':1337,u'べき':2181,u'まし':1113,u'ます':6943,u'まっ':-1549,u'まで':6154,u'まれ':-793,u'らし':1479,u'られ':6820,u'るる':3818,u'れ,':854,u'れ、':854,u'れた':1850,u'れて':1375,u'れば':-3246,u'れる':1091,u'われ':-605,u'んだ':606,u'んで':798,u'カ月':990,u'会議':860,u'入り':1232,u'大会':2217,u'始め':1681,u'市':965,u'新聞':-5055,u'日,':974,u'日、':974,u'社会':2024,u'ｶ月':990} + TC1__ = {u'AAA':1093,u'HHH':1029,u'HHM':580,u'HII':998,u'HOH':-390,u'HOM':-331,u'IHI':1169,u'IOH':-142,u'IOI':-1015,u'IOM':467,u'MMH':187,u'OOI':-1832} + TC2__ = {u'HHO':2088,u'HII':-1023,u'HMM':-1154,u'IHI':-1965,u'KKH':703,u'OII':-2649} + TC3__ = {u'AAA':-294,u'HHH':346,u'HHI':-341,u'HII':-1088,u'HIK':731,u'HOH':-1486,u'IHH':128,u'IHI':-3041,u'IHO':-1935,u'IIH':-825,u'IIM':-1035,u'IOI':-542,u'KHH':-1216,u'KKA':491,u'KKH':-1217,u'KOK':-1009,u'MHH':-2694,u'MHM':-457,u'MHO':123,u'MMH':-471,u'NNH':-1689,u'NNO':662,u'OHO':-3393} + TC4__ = {u'HHH':-203,u'HHI':1344,u'HHK':365,u'HHM':-122,u'HHN':182,u'HHO':669,u'HIH':804,u'HII':679,u'HOH':446,u'IHH':695,u'IHO':-2324,u'IIH':321,u'III':1497,u'IIO':656,u'IOO':54,u'KAK':4845,u'KKA':3386,u'KKK':3065,u'MHH':-405,u'MHI':201,u'MMH':-241,u'MMM':661,u'MOM':841} + TQ1__ = {u'BHHH':-227,u'BHHI':316,u'BHIH':-132,u'BIHH':60,u'BIII':1595,u'BNHH':-744,u'BOHH':225,u'BOOO':-908,u'OAKK':482,u'OHHH':281,u'OHIH':249,u'OIHI':200,u'OIIH':-68} + TQ2__ = {u'BIHH':-1401,u'BIII':-1033,u'BKAK':-543,u'BOOO':-5591} + TQ3__ = {u'BHHH':478,u'BHHM':-1073,u'BHIH':222,u'BHII':-504,u'BIIH':-116,u'BIII':-105,u'BMHI':-863,u'BMHM':-464,u'BOMH':620,u'OHHH':346,u'OHHI':1729,u'OHII':997,u'OHMH':481,u'OIHH':623,u'OIIH':1344,u'OKAK':2792,u'OKHH':587,u'OKKA':679,u'OOHH':110,u'OOII':-685} + TQ4__ = {u'BHHH':-721,u'BHHM':-3604,u'BHII':-966,u'BIIH':-607,u'BIII':-2181,u'OAAA':-2763,u'OAKK':180,u'OHHH':-294,u'OHHI':2446,u'OHHO':480,u'OHIH':-1573,u'OIHH':1935,u'OIHI':-493,u'OIIH':626,u'OIII':-4007,u'OKAK':-8156} + TW1__ = {u'につい':-4681,u'東京都':2026} + TW2__ = {u'ある程':-2049,u'いった':-1256,u'ころが':-2434,u'しょう':3873,u'その後':-4430,u'だって':-1049,u'ていた':1833,u'として':-4657,u'ともに':-4517,u'もので':1882,u'一気に':-792,u'初めて':-1512,u'同時に':-8097,u'大きな':-1255,u'対して':-2721,u'社会党':-3216} + TW3__ = {u'いただ':-1734,u'してい':1314,u'として':-4314,u'につい':-5483,u'にとっ':-5989,u'に当た':-6247,u'ので,':-727,u'ので、':-727,u'のもの':-600,u'れから':-3752,u'十二月':-2287} + TW4__ = {u'いう.':8576,u'いう。':8576,u'からな':-2348,u'してい':2958,u'たが,':1516,u'たが、':1516,u'ている':1538,u'という':1349,u'ました':5543,u'ません':1097,u'ようと':-4258,u'よると':5865} + UC1__ = {u'A':484,u'K':93,u'M':645,u'O':-505} + UC2__ = {u'A':819,u'H':1059,u'I':409,u'M':3987,u'N':5775,u'O':646} + UC3__ = {u'A':-1370,u'I':2311} + UC4__ = {u'A':-2643,u'H':1809,u'I':-1032,u'K':-3450,u'M':3565,u'N':3876,u'O':6646} + UC5__ = {u'H':313,u'I':-1238,u'K':-799,u'M':539,u'O':-831} + UC6__ = {u'H':-506,u'I':-253,u'K':87,u'M':247,u'O':-387} + UP1__ = {u'O':-214} + UP2__ = {u'B':69,u'O':935} + UP3__ = {u'B':189} + UQ1__ = {u'BH':21,u'BI':-12,u'BK':-99,u'BN':142,u'BO':-56,u'OH':-95,u'OI':477,u'OK':410,u'OO':-2422} + UQ2__ = {u'BH':216,u'BI':113,u'OK':1759} + UQ3__ = {u'BA':-479,u'BH':42,u'BI':1913,u'BK':-7198,u'BM':3160,u'BN':6427,u'BO':14761,u'OI':-827,u'ON':-3212} + UW1__ = {u',':156,u'、':156,u'「':-463,u'あ':-941,u'う':-127,u'が':-553,u'き':121,u'こ':505,u'で':-201,u'と':-547,u'ど':-123,u'に':-789,u'の':-185,u'は':-847,u'も':-466,u'や':-470,u'よ':182,u'ら':-292,u'り':208,u'れ':169,u'を':-446,u'ん':-137,u'・':-135,u'主':-402,u'京':-268,u'区':-912,u'午':871,u'国':-460,u'大':561,u'委':729,u'市':-411,u'日':-141,u'理':361,u'生':-408,u'県':-386,u'都':-718,u'｢':-463,u'･':-135} + UW2__ = {u',':-829,u'、':-829,u'〇':892,u'「':-645,u'」':3145,u'あ':-538,u'い':505,u'う':134,u'お':-502,u'か':1454,u'が':-856,u'く':-412,u'こ':1141,u'さ':878,u'ざ':540,u'し':1529,u'す':-675,u'せ':300,u'そ':-1011,u'た':188,u'だ':1837,u'つ':-949,u'て':-291,u'で':-268,u'と':-981,u'ど':1273,u'な':1063,u'に':-1764,u'の':130,u'は':-409,u'ひ':-1273,u'べ':1261,u'ま':600,u'も':-1263,u'や':-402,u'よ':1639,u'り':-579,u'る':-694,u'れ':571,u'を':-2516,u'ん':2095,u'ア':-587,u'カ':306,u'キ':568,u'ッ':831,u'三':-758,u'不':-2150,u'世':-302,u'中':-968,u'主':-861,u'事':492,u'人':-123,u'会':978,u'保':362,u'入':548,u'初':-3025,u'副':-1566,u'北':-3414,u'区':-422,u'大':-1769,u'天':-865,u'太':-483,u'子':-1519,u'学':760,u'実':1023,u'小':-2009,u'市':-813,u'年':-1060,u'強':1067,u'手':-1519,u'揺':-1033,u'政':1522,u'文':-1355,u'新':-1682,u'日':-1815,u'明':-1462,u'最':-630,u'朝':-1843,u'本':-1650,u'東':-931,u'果':-665,u'次':-2378,u'民':-180,u'気':-1740,u'理':752,u'発':529,u'目':-1584,u'相':-242,u'県':-1165,u'立':-763,u'第':810,u'米':509,u'自':-1353,u'行':838,u'西':-744,u'見':-3874,u'調':1010,u'議':1198,u'込':3041,u'開':1758,u'間':-1257,u'｢':-645,u'｣':3145,u'ｯ':831,u'ｱ':-587,u'ｶ':306,u'ｷ':568} + UW3__ = {u',':4889,u'1':-800,u'−':-1723,u'、':4889,u'々':-2311,u'〇':5827,u'」':2670,u'〓':-3573,u'あ':-2696,u'い':1006,u'う':2342,u'え':1983,u'お':-4864,u'か':-1163,u'が':3271,u'く':1004,u'け':388,u'げ':401,u'こ':-3552,u'ご':-3116,u'さ':-1058,u'し':-395,u'す':584,u'せ':3685,u'そ':-5228,u'た':842,u'ち':-521,u'っ':-1444,u'つ':-1081,u'て':6167,u'で':2318,u'と':1691,u'ど':-899,u'な':-2788,u'に':2745,u'の':4056,u'は':4555,u'ひ':-2171,u'ふ':-1798,u'へ':1199,u'ほ':-5516,u'ま':-4384,u'み':-120,u'め':1205,u'も':2323,u'や':-788,u'よ':-202,u'ら':727,u'り':649,u'る':5905,u'れ':2773,u'わ':-1207,u'を':6620,u'ん':-518,u'ア':551,u'グ':1319,u'ス':874,u'ッ':-1350,u'ト':521,u'ム':1109,u'ル':1591,u'ロ':2201,u'ン':278,u'・':-3794,u'一':-1619,u'下':-1759,u'世':-2087,u'両':3815,u'中':653,u'主':-758,u'予':-1193,u'二':974,u'人':2742,u'今':792,u'他':1889,u'以':-1368,u'低':811,u'何':4265,u'作':-361,u'保':-2439,u'元':4858,u'党':3593,u'全':1574,u'公':-3030,u'六':755,u'共':-1880,u'円':5807,u'再':3095,u'分':457,u'初':2475,u'別':1129,u'前':2286,u'副':4437,u'力':365,u'動':-949,u'務':-1872,u'化':1327,u'北':-1038,u'区':4646,u'千':-2309,u'午':-783,u'協':-1006,u'口':483,u'右':1233,u'各':3588,u'合':-241,u'同':3906,u'和':-837,u'員':4513,u'国':642,u'型':1389,u'場':1219,u'外':-241,u'妻':2016,u'学':-1356,u'安':-423,u'実':-1008,u'家':1078,u'小':-513,u'少':-3102,u'州':1155,u'市':3197,u'平':-1804,u'年':2416,u'広':-1030,u'府':1605,u'度':1452,u'建':-2352,u'当':-3885,u'得':1905,u'思':-1291,u'性':1822,u'戸':-488,u'指':-3973,u'政':-2013,u'教':-1479,u'数':3222,u'文':-1489,u'新':1764,u'日':2099,u'旧':5792,u'昨':-661,u'時':-1248,u'曜':-951,u'最':-937,u'月':4125,u'期':360,u'李':3094,u'村':364,u'東':-805,u'核':5156,u'森':2438,u'業':484,u'氏':2613,u'民':-1694,u'決':-1073,u'法':1868,u'海':-495,u'無':979,u'物':461,u'特':-3850,u'生':-273,u'用':914,u'町':1215,u'的':7313,u'直':-1835,u'省':792,u'県':6293,u'知':-1528,u'私':4231,u'税':401,u'立':-960,u'第':1201,u'米':7767,u'系':3066,u'約':3663,u'級':1384,u'統':-4229,u'総':1163,u'線':1255,u'者':6457,u'能':725,u'自':-2869,u'英':785,u'見':1044,u'調':-562,u'財':-733,u'費':1777,u'車':1835,u'軍':1375,u'込':-1504,u'通':-1136,u'選':-681,u'郎':1026,u'郡':4404,u'部':1200,u'金':2163,u'長':421,u'開':-1432,u'間':1302,u'関':-1282,u'雨':2009,u'電':-1045,u'非':2066,u'駅':1620,u'１':-800,u'｣':2670,u'･':-3794,u'ｯ':-1350,u'ｱ':551,u'ｸﾞ':1319,u'ｽ':874,u'ﾄ':521,u'ﾑ':1109,u'ﾙ':1591,u'ﾛ':2201,u'ﾝ':278} + UW4__ = {u',':3930,u'.':3508,u'―':-4841,u'、':3930,u'。':3508,u'〇':4999,u'「':1895,u'」':3798,u'〓':-5156,u'あ':4752,u'い':-3435,u'う':-640,u'え':-2514,u'お':2405,u'か':530,u'が':6006,u'き':-4482,u'ぎ':-3821,u'く':-3788,u'け':-4376,u'げ':-4734,u'こ':2255,u'ご':1979,u'さ':2864,u'し':-843,u'じ':-2506,u'す':-731,u'ず':1251,u'せ':181,u'そ':4091,u'た':5034,u'だ':5408,u'ち':-3654,u'っ':-5882,u'つ':-1659,u'て':3994,u'で':7410,u'と':4547,u'な':5433,u'に':6499,u'ぬ':1853,u'ね':1413,u'の':7396,u'は':8578,u'ば':1940,u'ひ':4249,u'び':-4134,u'ふ':1345,u'へ':6665,u'べ':-744,u'ほ':1464,u'ま':1051,u'み':-2082,u'む':-882,u'め':-5046,u'も':4169,u'ゃ':-2666,u'や':2795,u'ょ':-1544,u'よ':3351,u'ら':-2922,u'り':-9726,u'る':-14896,u'れ':-2613,u'ろ':-4570,u'わ':-1783,u'を':13150,u'ん':-2352,u'カ':2145,u'コ':1789,u'セ':1287,u'ッ':-724,u'ト':-403,u'メ':-1635,u'ラ':-881,u'リ':-541,u'ル':-856,u'ン':-3637,u'・':-4371,u'ー':-11870,u'一':-2069,u'中':2210,u'予':782,u'事':-190,u'井':-1768,u'人':1036,u'以':544,u'会':950,u'体':-1286,u'作':530,u'側':4292,u'先':601,u'党':-2006,u'共':-1212,u'内':584,u'円':788,u'初':1347,u'前':1623,u'副':3879,u'力':-302,u'動':-740,u'務':-2715,u'化':776,u'区':4517,u'協':1013,u'参':1555,u'合':-1834,u'和':-681,u'員':-910,u'器':-851,u'回':1500,u'国':-619,u'園':-1200,u'地':866,u'場':-1410,u'塁':-2094,u'士':-1413,u'多':1067,u'大':571,u'子':-4802,u'学':-1397,u'定':-1057,u'寺':-809,u'小':1910,u'屋':-1328,u'山':-1500,u'島':-2056,u'川':-2667,u'市':2771,u'年':374,u'庁':-4556,u'後':456,u'性':553,u'感':916,u'所':-1566,u'支':856,u'改':787,u'政':2182,u'教':704,u'文':522,u'方':-856,u'日':1798,u'時':1829,u'最':845,u'月':-9066,u'木':-485,u'来':-442,u'校':-360,u'業':-1043,u'氏':5388,u'民':-2716,u'気':-910,u'沢':-939,u'済':-543,u'物':-735,u'率':672,u'球':-1267,u'生':-1286,u'産':-1101,u'田':-2900,u'町':1826,u'的':2586,u'目':922,u'省':-3485,u'県':2997,u'空':-867,u'立':-2112,u'第':788,u'米':2937,u'系':786,u'約':2171,u'経':1146,u'統':-1169,u'総':940,u'線':-994,u'署':749,u'者':2145,u'能':-730,u'般':-852,u'行':-792,u'規':792,u'警':-1184,u'議':-244,u'谷':-1000,u'賞':730,u'車':-1481,u'軍':1158,u'輪':-1433,u'込':-3370,u'近':929,u'道':-1291,u'選':2596,u'郎':-4866,u'都':1192,u'野':-1100,u'銀':-2213,u'長':357,u'間':-2344,u'院':-2297,u'際':-2604,u'電':-878,u'領':-1659,u'題':-792,u'館':-1984,u'首':1749,u'高':2120,u'｢':1895,u'｣':3798,u'･':-4371,u'ｯ':-724,u'ｰ':-11870,u'ｶ':2145,u'ｺ':1789,u'ｾ':1287,u'ﾄ':-403,u'ﾒ':-1635,u'ﾗ':-881,u'ﾘ':-541,u'ﾙ':-856,u'ﾝ':-3637} + UW5__ = {u',':465,u'.':-299,u'1':-514,u'E2':-32768,u']':-2762,u'、':465,u'。':-299,u'「':363,u'あ':1655,u'い':331,u'う':-503,u'え':1199,u'お':527,u'か':647,u'が':-421,u'き':1624,u'ぎ':1971,u'く':312,u'げ':-983,u'さ':-1537,u'し':-1371,u'す':-852,u'だ':-1186,u'ち':1093,u'っ':52,u'つ':921,u'て':-18,u'で':-850,u'と':-127,u'ど':1682,u'な':-787,u'に':-1224,u'の':-635,u'は':-578,u'べ':1001,u'み':502,u'め':865,u'ゃ':3350,u'ょ':854,u'り':-208,u'る':429,u'れ':504,u'わ':419,u'を':-1264,u'ん':327,u'イ':241,u'ル':451,u'ン':-343,u'中':-871,u'京':722,u'会':-1153,u'党':-654,u'務':3519,u'区':-901,u'告':848,u'員':2104,u'大':-1296,u'学':-548,u'定':1785,u'嵐':-1304,u'市':-2991,u'席':921,u'年':1763,u'思':872,u'所':-814,u'挙':1618,u'新':-1682,u'日':218,u'月':-4353,u'査':932,u'格':1356,u'機':-1508,u'氏':-1347,u'田':240,u'町':-3912,u'的':-3149,u'相':1319,u'省':-1052,u'県':-4003,u'研':-997,u'社':-278,u'空':-813,u'統':1955,u'者':-2233,u'表':663,u'語':-1073,u'議':1219,u'選':-1018,u'郎':-368,u'長':786,u'間':1191,u'題':2368,u'館':-689,u'１':-514,u'Ｅ２':-32768,u'｢':363,u'ｲ':241,u'ﾙ':451,u'ﾝ':-343} + UW6__ = {u',':227,u'.':808,u'1':-270,u'E1':306,u'、':227,u'。':808,u'あ':-307,u'う':189,u'か':241,u'が':-73,u'く':-121,u'こ':-200,u'じ':1782,u'す':383,u'た':-428,u'っ':573,u'て':-1014,u'で':101,u'と':-105,u'な':-253,u'に':-149,u'の':-417,u'は':-236,u'も':-206,u'り':187,u'る':-135,u'を':195,u'ル':-673,u'ン':-496,u'一':-277,u'中':201,u'件':-800,u'会':624,u'前':302,u'区':1792,u'員':-1212,u'委':798,u'学':-960,u'市':887,u'広':-695,u'後':535,u'業':-697,u'相':753,u'社':-507,u'福':974,u'空':-822,u'者':1811,u'連':463,u'郎':1082,u'１':-270,u'Ｅ１':306,u'ﾙ':-673,u'ﾝ':-496} + + # ctype_ + def ctype_(self, char): + for pattern, value in self.patterns_.iteritems(): + if pattern.match(char): + return value + return u'O' + # ts_ + def ts_(self, dict, key): + if key in dict: + return dict[key] + return 0 + + # segment + def split(self, input): + if not input: + return [] + + result = [] + seg = [u'B3',u'B2',u'B1'] + ctype = [u'O',u'O',u'O'] + for t in input: + seg.append(t) + ctype.append(self.ctype_(t)) + seg.append(u'E1') + seg.append(u'E2') + seg.append(u'E3') + ctype.append(u'O') + ctype.append(u'O') + ctype.append(u'O') + word = seg[3] + p1 = u'U' + p2 = u'U' + p3 = u'U' + + for i in range(4, len(seg) - 3): + score = self.BIAS__ + w1 = seg[i-3] + w2 = seg[i-2] + w3 = seg[i-1] + w4 = seg[i] + w5 = seg[i+1] + w6 = seg[i+2] + c1 = ctype[i-3] + c2 = ctype[i-2] + c3 = ctype[i-1] + c4 = ctype[i] + c5 = ctype[i+1] + c6 = ctype[i+2] + score += self.ts_(self.UP1__, p1) + score += self.ts_(self.UP2__, p2) + score += self.ts_(self.UP3__, p3) + score += self.ts_(self.BP1__, p1 + p2) + score += self.ts_(self.BP2__, p2 + p3) + score += self.ts_(self.UW1__, w1) + score += self.ts_(self.UW2__, w2) + score += self.ts_(self.UW3__, w3) + score += self.ts_(self.UW4__, w4) + score += self.ts_(self.UW5__, w5) + score += self.ts_(self.UW6__, w6) + score += self.ts_(self.BW1__, w2 + w3) + score += self.ts_(self.BW2__, w3 + w4) + score += self.ts_(self.BW3__, w4 + w5) + score += self.ts_(self.TW1__, w1 + w2 + w3) + score += self.ts_(self.TW2__, w2 + w3 + w4) + score += self.ts_(self.TW3__, w3 + w4 + w5) + score += self.ts_(self.TW4__, w4 + w5 + w6) + score += self.ts_(self.UC1__, c1) + score += self.ts_(self.UC2__, c2) + score += self.ts_(self.UC3__, c3) + score += self.ts_(self.UC4__, c4) + score += self.ts_(self.UC5__, c5) + score += self.ts_(self.UC6__, c6) + score += self.ts_(self.BC1__, c2 + c3) + score += self.ts_(self.BC2__, c3 + c4) + score += self.ts_(self.BC3__, c4 + c5) + score += self.ts_(self.TC1__, c1 + c2 + c3) + score += self.ts_(self.TC2__, c2 + c3 + c4) + score += self.ts_(self.TC3__, c3 + c4 + c5) + score += self.ts_(self.TC4__, c4 + c5 + c6) +# score += self.ts_(self.TC5__, c4 + c5 + c6) + score += self.ts_(self.UQ1__, p1 + c1) + score += self.ts_(self.UQ2__, p2 + c2) + score += self.ts_(self.UQ1__, p3 + c3) + score += self.ts_(self.BQ1__, p2 + c2 + c3) + score += self.ts_(self.BQ2__, p2 + c3 + c4) + score += self.ts_(self.BQ3__, p3 + c2 + c3) + score += self.ts_(self.BQ4__, p3 + c3 + c4) + score += self.ts_(self.TQ1__, p2 + c1 + c2 + c3) + score += self.ts_(self.TQ2__, p2 + c2 + c3 + c4) + score += self.ts_(self.TQ3__, p3 + c1 + c2 + c3) + score += self.ts_(self.TQ4__, p3 + c2 + c3 + c4) + p = u'O' + if score > 0: + result.append(word) + word = u'' + p = u'B' + p1 = p2 + p2 = p3 + p3 = p + word += seg[i] + + result.append(word) + return result + + +class SearchJapanese(SearchLanguage): + """ + Japanese search implementation: uses no stemmer, but word splitting is quite + complicated. + """ + lang = 'ja' + + def init(self, options): + type = options.get('type', 'default') + if type not in ('mecab', 'default'): + raise ValueError(("Japanese tokenizer's type should be 'mecab'" + " or 'default'")) + self.libmecab = None + if type == 'mecab': + self.splitter = MecabBinder(options) + else: + self.splitter = TinySegmenter() + + def split(self, input): + return self.splitter.split(input) + + def word_filter(self, stemmed_word): + return len(stemmed_word) > 1 diff --git a/sphinx/themes/basic/static/searchtools.js b/sphinx/themes/basic/static/searchtools.js_t similarity index 68% rename from sphinx/themes/basic/static/searchtools.js rename to sphinx/themes/basic/static/searchtools.js_t index dae92b5e5..6be7489fb 100644 --- a/sphinx/themes/basic/static/searchtools.js +++ b/sphinx/themes/basic/static/searchtools.js_t @@ -1,6 +1,6 @@ /* - * searchtools.js - * ~~~~~~~~~~~~~~ + * searchtools.js_t + * ~~~~~~~~~~~~~~~~ * * Sphinx JavaScript utilties for the full-text search. * @@ -36,188 +36,7 @@ jQuery.makeSearchSummary = function(text, keywords, hlwords) { return rv; } -/** - * Porter Stemmer - */ -var PorterStemmer = function() { - - var step2list = { - ational: 'ate', - tional: 'tion', - enci: 'ence', - anci: 'ance', - izer: 'ize', - bli: 'ble', - alli: 'al', - entli: 'ent', - eli: 'e', - ousli: 'ous', - ization: 'ize', - ation: 'ate', - ator: 'ate', - alism: 'al', - iveness: 'ive', - fulness: 'ful', - ousness: 'ous', - aliti: 'al', - iviti: 'ive', - biliti: 'ble', - logi: 'log' - }; - - var step3list = { - icate: 'ic', - ative: '', - alize: 'al', - iciti: 'ic', - ical: 'ic', - ful: '', - ness: '' - }; - - var c = "[^aeiou]"; // consonant - var v = "[aeiouy]"; // vowel - var C = c + "[^aeiouy]*"; // consonant sequence - var V = v + "[aeiou]*"; // vowel sequence - - var mgr0 = "^(" + C + ")?" + V + C; // [C]VC... is m>0 - var meq1 = "^(" + C + ")?" + V + C + "(" + V + ")?$"; // [C]VC[V] is m=1 - var mgr1 = "^(" + C + ")?" + V + C + V + C; // [C]VCVC... is m>1 - var s_v = "^(" + C + ")?" + v; // vowel in stem - - this.stemWord = function (w) { - var stem; - var suffix; - var firstch; - var origword = w; - - if (w.length < 3) - return w; - - var re; - var re2; - var re3; - var re4; - - firstch = w.substr(0,1); - if (firstch == "y") - w = firstch.toUpperCase() + w.substr(1); - - // Step 1a - re = /^(.+?)(ss|i)es$/; - re2 = /^(.+?)([^s])s$/; - - if (re.test(w)) - w = w.replace(re,"$1$2"); - else if (re2.test(w)) - w = w.replace(re2,"$1$2"); - - // Step 1b - re = /^(.+?)eed$/; - re2 = /^(.+?)(ed|ing)$/; - if (re.test(w)) { - var fp = re.exec(w); - re = new RegExp(mgr0); - if (re.test(fp[1])) { - re = /.$/; - w = w.replace(re,""); - } - } - else if (re2.test(w)) { - var fp = re2.exec(w); - stem = fp[1]; - re2 = new RegExp(s_v); - if (re2.test(stem)) { - w = stem; - re2 = /(at|bl|iz)$/; - re3 = new RegExp("([^aeiouylsz])\\1$"); - re4 = new RegExp("^" + C + v + "[^aeiouwxy]$"); - if (re2.test(w)) - w = w + "e"; - else if (re3.test(w)) { - re = /.$/; - w = w.replace(re,""); - } - else if (re4.test(w)) - w = w + "e"; - } - } - - // Step 1c - re = /^(.+?)y$/; - if (re.test(w)) { - var fp = re.exec(w); - stem = fp[1]; - re = new RegExp(s_v); - if (re.test(stem)) - w = stem + "i"; - } - - // Step 2 - re = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/; - if (re.test(w)) { - var fp = re.exec(w); - stem = fp[1]; - suffix = fp[2]; - re = new RegExp(mgr0); - if (re.test(stem)) - w = stem + step2list[suffix]; - } - - // Step 3 - re = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/; - if (re.test(w)) { - var fp = re.exec(w); - stem = fp[1]; - suffix = fp[2]; - re = new RegExp(mgr0); - if (re.test(stem)) - w = stem + step3list[suffix]; - } - - // Step 4 - re = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/; - re2 = /^(.+?)(s|t)(ion)$/; - if (re.test(w)) { - var fp = re.exec(w); - stem = fp[1]; - re = new RegExp(mgr1); - if (re.test(stem)) - w = stem; - } - else if (re2.test(w)) { - var fp = re2.exec(w); - stem = fp[1] + fp[2]; - re2 = new RegExp(mgr1); - if (re2.test(stem)) - w = stem; - } - - // Step 5 - re = /^(.+?)e$/; - if (re.test(w)) { - var fp = re.exec(w); - stem = fp[1]; - re = new RegExp(mgr1); - re2 = new RegExp(meq1); - re3 = new RegExp("^" + C + v + "[^aeiouwxy]$"); - if (re.test(stem) || (re2.test(stem) && !(re3.test(stem)))) - w = stem; - } - re = /ll$/; - re2 = new RegExp(mgr1); - if (re.test(w) && re2.test(w)) { - re = /.$/; - w = w.replace(re,""); - } - - // and turn initial Y back to y - if (firstch == "y") - w = firstch.toLowerCase() + w.substr(1); - return w; - } -} - +{{ search_language_stemming_code|safe }} /** * Search Module @@ -300,14 +119,10 @@ var Search = { }, query : function(query) { - var stopwords = ['and', 'then', 'into', 'it', 'as', 'are', 'in', - 'if', 'for', 'no', 'there', 'their', 'was', 'is', - 'be', 'to', 'that', 'but', 'they', 'not', 'such', - 'with', 'by', 'a', 'on', 'these', 'of', 'will', - 'this', 'near', 'the', 'or', 'at']; + var stopwords = {{ search_language_stop_words }}; - // stem the searchterms and add them to the correct list - var stemmer = new PorterStemmer(); + // Stem the searchterms and add them to the correct list + var stemmer = new Stemmer(); var searchterms = []; var excluded = []; var hlterms = [];