1 files changed, 772 insertions, 0 deletions

diff --git a/doc/sphinx/_exts/httpdomain/httpdomain.py b/doc/sphinx/_exts/httpdomain/httpdomain.py
new file mode 100644
index 0000000..59665a0
--- /dev/null
+++ b/doc/sphinx/_exts/httpdomain/httpdomain.py
@@ -0,0 +1,772 @@
+"""
+    sphinxcontrib.httpdomain
+    ~~~~~~~~~~~~~~~~~~~~~~~~
+
+    The HTTP domain for documenting RESTful HTTP APIs.
+
+    :copyright: Copyright 2011 by Hong Minhee
+    :license: BSD, see LICENSE for details.
+
+"""
+
+import re
+
+from docutils import nodes
+
+from pygments.lexer import RegexLexer, bygroups
+from pygments.lexers import get_lexer_by_name
+from pygments.token import Literal, Text, Operator, Keyword, Name, Number
+from pygments.util import ClassNotFound
+
+from sphinx import addnodes
+from sphinx.roles import XRefRole
+from sphinx.domains import Domain, ObjType, Index
+from sphinx.directives import ObjectDescription, directives
+from sphinx.util.nodes import make_refnode
+from sphinx.util.docfields import GroupedField, TypedField
+
+# The env.get_doctree() lookup results in a pickle.load() call which is
+# expensive enough to dominate the runtime entirely when the number of endpoints
+# and references is large enough. The doctrees are generated during the read-
+# phase and we can cache their lookup during the write-phase significantly
+# improving performance.
+# Currently sphinxcontrib-httpdomain does not declare to support parallel read
+# support (parallel_read_safe is the default False) so we can simply use a
+# module global to hold the cache.
+_doctree_cache = {}
+
+
+class DocRef(object):
+    """Represents a reference to an abstract specification."""
+
+    def __init__(self, base_url, anchor, section):
+        self.base_url = base_url
+        self.anchor = anchor
+        self.section = section
+
+    def __repr__(self):
+        """Returns the URL onto related specification section for the related
+        object."""
+        return '{0}#{1}{2}'.format(self.base_url, self.anchor, self.section)
+
+
+class RFC2616Ref(DocRef):
+    """Represents a reference to RFC2616.
+    In 2014, RFC2616 was replaced by multiple RFCs (7230-7237)."""
+
+    def __init__(self, section):
+        url = 'http://www.w3.org/Protocols/rfc2616/rfc2616-sec{0:d}.html'
+        url = url.format(int(section))
+        super(RFC2616Ref, self).__init__(url, 'sec', section)
+
+
+class IETFRef(DocRef):
+    """Represents a reference to the specific IETF RFC."""
+
+    def __init__(self, rfc, section):
+        url = 'https://tools.ietf.org/html/rfc{0:d}'.format(rfc)
+        super(IETFRef, self).__init__(url, 'section-', section)
+
+
+class EventSourceRef(DocRef):
+
+    def __init__(self, section):
+        url = 'http://www.w3.org/TR/eventsource/'
+        super(EventSourceRef, self).__init__(url, section, '')
+
+
+class CORSRef(DocRef):
+    """Represents a reference to W3 Cross-Origin Resource Sharing recommendation."""
+
+    def __init__(self, name, type):
+        url = 'http://www.w3.org/TR/cors/'
+        super(CORSRef, self).__init__(url, name, '-' + type)
+
+
+#: Mapping from lowercase HTTP method name to :class:`DocRef` object which
+#: maintains the URL which points to the section of the RFC which defines that
+#: HTTP method.
+METHOD_REFS = {
+    'patch': IETFRef(5789, 2),
+    'options': IETFRef(7231, '4.3.7'),
+    'get': IETFRef(7231, '4.3.1'),
+    'head': IETFRef(7231, '4.3.2'),
+    'post': IETFRef(7231, '4.3.3'),
+    'put': IETFRef(7231, '4.3.4'),
+    'delete': IETFRef(7231, '4.3.5'),
+    'trace': IETFRef(7231, '4.3.8'),
+    'connect': IETFRef(7231, '4.3.6'),
+    'copy': IETFRef(2518, 8.8),
+    'any': ''
+}
+
+
+#: Mapping from HTTP header name to :class:`DocRef` object which
+#: maintains the URL which points to the related section of the RFC.
+HEADER_REFS = {
+    'Accept': IETFRef(7231, '5.3.2'),
+    'Accept-Charset': IETFRef(7231, '5.3.3'),
+    'Accept-Encoding': IETFRef(7231, '5.3.4'),
+    'Accept-Language': IETFRef(7231, '5.3.5'),
+    'Accept-Ranges': IETFRef(7233, 2.3),
+    'Age': IETFRef(7234, 5.1),
+    'Allow': IETFRef(7231, '7.4.1'),
+    'Authorization': IETFRef(7235, 4.2),
+    'Cache-Control': IETFRef(7234, 5.2),
+    'Connection': IETFRef(7230, 6.1),
+    'Content-Encoding': IETFRef(7231, '3.1.2.2'),
+    'Content-Language': IETFRef(7231, '3.1.3.2'),
+    'Content-Length': IETFRef(7230, '3.3.2'),
+    'Content-Location': IETFRef(7231, '3.1.4.2'),
+    'Content-MD5': RFC2616Ref(14.15), # removed
+    'Content-Range': IETFRef(7233, 4.2),
+    'Content-Type': IETFRef(7231, '3.1.1.5'),
+    'Cookie': IETFRef(2109, '4.3.4'), # also RFC6265 section 5.4
+    'Date': IETFRef(7231, '7.1.1.2'),
+    'Destination': IETFRef(2518, 9.3),
+    'ETag': IETFRef(7232, 2.3),
+    'Expect': IETFRef(7231, '5.1.1'),
+    'Expires': IETFRef(7234, 5.3),
+    'From': IETFRef(7231, '5.5.2'),
+    'Host': IETFRef(7230, 5.4),
+    'If-Match': IETFRef(7232, 3.1),
+    'If-Modified-Since': IETFRef(7232, 3.3),
+    'If-None-Match': IETFRef(7232, 3.2),
+    'If-Range': IETFRef(7233, 3.2),
+    'If-Unmodified-Since': IETFRef(7232, 3.4),
+    'Last-Event-ID': EventSourceRef('last-event-id'),
+    'Last-Modified': IETFRef(7232, 2.2),
+    'Link': IETFRef(5988, '5'),
+    'Location': IETFRef(7231, '7.1.2'),
+    'Max-Forwards': IETFRef(7231, '5.1.2'),
+    'Pragma': IETFRef(7234, 5.4),
+    'Proxy-Authenticate': IETFRef(7235, 4.3),
+    'Proxy-Authorization': IETFRef(7235, 4.4),
+    'Range': IETFRef(7233, 3.1),
+    'Referer': IETFRef(7231, '5.5.2'),
+    'Retry-After': IETFRef(7231, '7.1.3'),
+    'Server': IETFRef(7231, '7.4.2'),
+    'Set-Cookie': IETFRef(2109, '4.2.2'),
+    'TE': IETFRef(7230, 4.3),
+    'Trailer': IETFRef(7230, 4.4),
+    'Transfer-Encoding': IETFRef(7230, '3.3.1'),
+    'Upgrade': IETFRef(7230, 6.7),
+    'User-Agent': IETFRef(7231, '5.5.3'),
+    'Vary': IETFRef(7231, '7.1.4'),
+    'Via': IETFRef(7230, '5.7.1'),
+    'Warning': IETFRef(7234, 5.5),
+    'WWW-Authenticate': IETFRef(7235, 4.1),
+    'Access-Control-Allow-Origin': CORSRef('access-control-allow-origin',
+                                           'response-header'),
+    'Access-Control-Allow-Credentials': CORSRef('access-control-allow-credentials',
+                                                'response-header'),
+    'Access-Control-Expose-Headers': CORSRef('access-control-expose-headers',
+                                             'response-header'),
+    'Access-Control-Max-Age': CORSRef('access-control-max-age',
+                                      'response-header'),
+    'Access-Control-Allow-Methods': CORSRef('access-control-allow-methods',
+                                            'response-header'),
+    'Access-Control-Allow-Headers': CORSRef('access-control-allow-headers',
+                                            'response-header'),
+    'Origin': CORSRef('origin', 'request-header'),
+    'Access-Control-Request-Method': CORSRef('access-control-request-method',
+                                             'response-header'),
+    'Access-Control-Request-Headers': CORSRef('access-control-request-headers',
+                                              'response-header'),
+}
+
+
+HTTP_STATUS_CODES = {
+    100: 'Continue',
+    101: 'Switching Protocols',
+    102: 'Processing',
+    200: 'OK',
+    201: 'Created',
+    202: 'Accepted',
+    203: 'Non Authoritative Information',
+    204: 'No Content',
+    205: 'Reset Content',
+    206: 'Partial Content',
+    207: 'Multi Status',
+    226: 'IM Used',              # see RFC 3229
+    300: 'Multiple Choices',
+    301: 'Moved Permanently',
+    302: 'Found',
+    303: 'See Other',
+    304: 'Not Modified',
+    305: 'Use Proxy',
+    307: 'Temporary Redirect',
+    308: 'Permanent Redirect',
+    400: 'Bad Request',
+    401: 'Unauthorized',
+    402: 'Payment Required',     # unused
+    403: 'Forbidden',
+    404: 'Not Found',
+    405: 'Method Not Allowed',
+    406: 'Not Acceptable',
+    407: 'Proxy Authentication Required',
+    408: 'Request Timeout',
+    409: 'Conflict',
+    410: 'Gone',
+    411: 'Length Required',
+    412: 'Precondition Failed',
+    413: 'Request Entity Too Large',
+    414: 'Request URI Too Long',
+    415: 'Unsupported Media Type',
+    416: 'Requested Range Not Satisfiable',
+    417: 'Expectation Failed',
+    418: "I'm a teapot",        # see RFC 2324
+    422: 'Unprocessable Entity',
+    423: 'Locked',
+    424: 'Failed Dependency',
+    426: 'Upgrade Required',
+    429: 'Too Many Requests',
+    449: 'Retry With',           # proprietary MS extension
+    451: 'Unavailable For Legal Reasons',
+    500: 'Internal Server Error',
+    501: 'Not Implemented',
+    502: 'Bad Gateway',
+    503: 'Service Unavailable',
+    504: 'Gateway Timeout',
+    505: 'HTTP Version Not Supported',
+    507: 'Insufficient Storage',
+    510: 'Not Extended'
+}
+
+WEBDAV_STATUS_CODES = [207, 422, 423, 424, 507]
+
+http_sig_param_re = re.compile(r'\((?:(?P<type>[^:)]+):)?(?P<name>[\w_]+)\)',
+                               re.VERBOSE)
+
+
+def sort_by_method(entries):
+    def cmp(item):
+        order = ['HEAD', 'GET', 'POST', 'PUT', 'DELETE', 'PATCH',
+                 'OPTIONS', 'TRACE', 'CONNECT', 'COPY', 'ANY']
+        method = item[0].split(' ', 1)[0]
+        if method in order:
+            return order.index(method)
+        return 100
+    return sorted(entries, key=cmp)
+
+
+def http_resource_anchor(method, path):
+    path = re.sub(r'[{}]', '', re.sub(r'[<>:/]', '-', path))
+    return method.lower() + '-' + path
+
+
+class HTTPResource(ObjectDescription):
+
+    doc_field_types = [
+        TypedField('parameter', label='Parameters',
+                   names=('param', 'parameter', 'arg', 'argument'),
+                   typerolename='obj', typenames=('paramtype', 'type')),
+        TypedField('jsonparameter', label='JSON Parameters',
+                   names=('jsonparameter', 'jsonparam', 'json'),
+                   typerolename='obj', typenames=('jsonparamtype', 'jsontype')),
+        TypedField('requestjsonobject', label='Request JSON Object',
+                   names=('reqjsonobj', 'reqjson', '<jsonobj', '<json'),
+                   typerolename='obj', typenames=('reqjsonobj', '<jsonobj')),
+        TypedField('requestjsonarray', label='Request JSON Array of Objects',
+                   names=('reqjsonarr', '<jsonarr'),
+                   typerolename='obj',
+                   typenames=('reqjsonarrtype', '<jsonarrtype')),
+        TypedField('responsejsonobject', label='Response JSON Object',
+                   names=('resjsonobj', 'resjson', '>jsonobj', '>json'),
+                   typerolename='obj', typenames=('resjsonobj', '>jsonobj')),
+        TypedField('responsejsonarray', label='Response JSON Array of Objects',
+                   names=('resjsonarr', '>jsonarr'),
+                   typerolename='obj',
+                   typenames=('resjsonarrtype', '>jsonarrtype')),
+        TypedField('queryparameter', label='Query Parameters',
+                   names=('queryparameter', 'queryparam', 'qparam', 'query'),
+                   typerolename='obj',
+                   typenames=('queryparamtype', 'querytype', 'qtype')),
+        GroupedField('formparameter', label='Form Parameters',
+                     names=('formparameter', 'formparam', 'fparam', 'form')),
+        GroupedField('requestheader', label='Request Headers',
+                     rolename='header',
+                     names=('<header', 'reqheader', 'requestheader')),
+        GroupedField('responseheader', label='Response Headers',
+                     rolename='header',
+                     names=('>header', 'resheader', 'responseheader')),
+        GroupedField('statuscode', label='Status Codes',
+                     rolename='statuscode',
+                     names=('statuscode', 'status', 'code'))
+    ]
+
+    option_spec = {
+        'deprecated': directives.flag,
+        'noindex': directives.flag,
+        'synopsis': lambda x: x,
+    }
+
+    method = NotImplemented
+
+    def handle_signature(self, sig, signode):
+        method = self.method.upper() + ' '
+        signode += addnodes.desc_name(method, method)
+        offset = 0
+        path = None
+        for match in http_sig_param_re.finditer(sig):
+            path = sig[offset:match.start()]
+            signode += addnodes.desc_name(path, path)
+            params = addnodes.desc_parameterlist()
+            typ = match.group('type')
+            if typ:
+                typ += ': '
+                params += addnodes.desc_annotation(typ, typ)
+            name = match.group('name')
+            params += addnodes.desc_parameter(name, name)
+            signode += params
+            offset = match.end()
+        if offset < len(sig):
+            path = sig[offset:len(sig)]
+            signode += addnodes.desc_name(path, path)
+        assert path is not None, 'no matches for sig: %s' % sig
+        fullname = self.method.upper() + ' ' + path
+        signode['method'] = self.method
+        signode['path'] = sig
+        signode['fullname'] = fullname
+        return (fullname, self.method, sig)
+
+    def needs_arglist(self):
+        return False
+
+    def add_target_and_index(self, name_cls, sig, signode):
+        signode['ids'].append(http_resource_anchor(*name_cls[1:]))
+        if 'noindex' not in self.options:
+            self.env.domaindata['http'][self.method][sig] = (
+                self.env.docname,
+                self.options.get('synopsis', ''),
+                'deprecated' in self.options)
+
+    def get_index_text(self, modname, name):
+        return ''
+
+
+class HTTPOptions(HTTPResource):
+
+    method = 'options'
+
+
+class HTTPHead(HTTPResource):
+
+    method = 'head'
+
+
+class HTTPPatch(HTTPResource):
+
+    method = 'patch'
+
+
+class HTTPPost(HTTPResource):
+
+    method = 'post'
+
+
+class HTTPGet(HTTPResource):
+
+    method = 'get'
+
+
+class HTTPPut(HTTPResource):
+
+    method = 'put'
+
+
+class HTTPDelete(HTTPResource):
+
+    method = 'delete'
+
+
+class HTTPTrace(HTTPResource):
+
+    method = 'trace'
+
+
+class HTTPConnect(HTTPResource):
+
+    method = 'connect'
+
+
+class HTTPCopy(HTTPResource):
+
+    method = 'copy'
+
+
+class HTTPAny(HTTPResource):
+
+    method = 'any'
+
+
+class HTTPXRefRole(XRefRole):
+
+    def __init__(self, method, **kwargs):
+        XRefRole.__init__(self, **kwargs)
+        self.method = method
+
+    def process_link(self, env, refnode, has_explicit_title, title, target):
+        if not has_explicit_title:
+            title = self.method.upper() + ' ' + title
+        return title, target
+
+
+class HTTPXRefMethodRole(XRefRole):
+
+    def result_nodes(self, document, env, node, is_ref):
+        method = node[0][0].lower()
+        rawsource = node[0].rawsource
+        config = env.domains['http'].env.config
+        if method not in METHOD_REFS:
+            if not config['http_strict_mode']:
+                return [nodes.emphasis(method, method)], []
+            reporter = document.reporter
+            msg = reporter.error('%s is not valid HTTP method' % method,
+                                 line=node.line)
+            prb = nodes.problematic(method, method)
+            return [prb], [msg]
+        url = str(METHOD_REFS[method])
+        if not url:
+            return [nodes.emphasis(method, method)], []
+        node = nodes.reference(rawsource, method.upper(), refuri=url)
+        return [node], []
+
+
+class HTTPXRefStatusRole(XRefRole):
+
+    def result_nodes(self, document, env, node, is_ref):
+        def get_code_status(text):
+            if text.isdigit():
+                code = int(text)
+                return code, HTTP_STATUS_CODES.get(code)
+            else:
+                try:
+                    code, status = re.split(r'\s', text.strip(), 1)
+                    code = int(code)
+                except ValueError:
+                    return None, None
+                known_status = HTTP_STATUS_CODES.get(code)
+                if known_status is None:
+                    return code, None
+                elif known_status.lower() != status.lower():
+                    return code, None
+                else:
+                    return code, status
+
+        def report_unknown_code():
+            if not config['http_strict_mode']:
+                return [nodes.emphasis(text, text)], []
+            reporter = document.reporter
+            msg = reporter.error('%d is unknown HTTP status code' % code,
+                                 line=node.line)
+            prb = nodes.problematic(text, text)
+            return [prb], [msg]
+
+        def report_invalid_code():
+            if not config['http_strict_mode']:
+                return [nodes.emphasis(text, text)], []
+            reporter = document.reporter
+            msg = reporter.error(
+                'HTTP status code must be an integer (e.g. `200`) or '
+                'start with an integer (e.g. `200 OK`); %r is invalid' %
+                text,
+                line=node.line
+            )
+            prb = nodes.problematic(text, text)
+            return [prb], [msg]
+
+        text = node[0][0]
+        rawsource = node[0].rawsource
+        config = env.domains['http'].env.config
+
+        code, status = get_code_status(text)
+        if code is None:
+            return report_invalid_code()
+        elif status is None:
+            return report_unknown_code()
+        elif code == 226:
+            url = 'http://www.ietf.org/rfc/rfc3229.txt'
+        elif code == 418:
+            url = 'http://www.ietf.org/rfc/rfc2324.txt'
+        elif code == 429:
+            url = 'http://tools.ietf.org/html/rfc6585#section-4'
+        elif code == 449:
+            url = 'http://msdn.microsoft.com/en-us/library/dd891478(v=prot.10).aspx'
+        elif code == 451:
+            url = 'http://www.ietf.org/rfc/rfc7725.txt'
+        elif code in WEBDAV_STATUS_CODES:
+            url = 'http://tools.ietf.org/html/rfc4918#section-11.%d' % (WEBDAV_STATUS_CODES.index(code) + 1)
+        elif code in HTTP_STATUS_CODES:
+            url = 'http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html' \
+                  '#sec10.' + ('%d.%d' % (code // 100, 1 + code % 100))
+        else:
+            url = ''
+        node = nodes.reference(rawsource, '%d %s' % (code, status), refuri=url)
+        return [node], []
+
+
+class HTTPXRefHeaderRole(XRefRole):
+
+    def result_nodes(self, document, env, node, is_ref):
+        header = node[0][0]
+        rawsource = node[0].rawsource
+        if header not in HEADER_REFS:
+            _header = '-'.join(map(lambda i: i.title(), header.split('-')))
+            if _header not in HEADER_REFS:
+                return [nodes.emphasis(header, header)], []
+        url = str(HEADER_REFS[header])
+        node = nodes.reference(rawsource, header, refuri=url)
+        return [node], []
+
+
+class HTTPIndex(Index):
+
+    name = 'routingtable'
+    localname = 'HTTP Routing Table'
+    shortname = 'routing table'
+
+    def __init__(self, *args, **kwargs):
+        super(HTTPIndex, self).__init__(*args, **kwargs)
+
+        self.ignore = [
+            [l for l in x.split('/') if l]
+            for x in self.domain.env.config['http_index_ignore_prefixes']]
+        self.ignore.sort(reverse=True)
+
+        # During HTML generation these values pick from class,
+        # not from instance so we have a little hack the system
+        cls = self.__class__
+        cls.shortname = self.domain.env.config['http_index_shortname']
+        cls.localname = self.domain.env.config['http_index_localname']
+
+    def grouping_prefix(self, path):
+        letters = [x for x in path.split('/') if x]
+        for prefix in self.ignore:
+            if letters[:len(prefix)] == prefix:
+                return '/' + '/'.join(letters[:len(prefix) + 1])
+        return '/%s' % (letters[0] if letters else '',)
+
+    def generate(self, docnames=None):
+        content = {}
+        items = ((method, path, info)
+                 for method, routes in self.domain.routes.items()
+                 for path, info in routes.items())
+        items = sorted(items, key=lambda item: item[1])
+        for method, path, info in items:
+            entries = content.setdefault(self.grouping_prefix(path), [])
+            entries.append([
+                method.upper() + ' ' + path, 0, info[0],
+                http_resource_anchor(method, path),
+                '', 'Deprecated' if info[2] else '', info[1]
+            ])
+        items = sorted(
+            (path, sort_by_method(entries))
+            for path, entries in content.items()
+        )
+        return (items, True)
+
+
+class HTTPDomain(Domain):
+    """HTTP domain."""
+
+    name = 'http'
+    label = 'HTTP'
+
+    object_types = {
+        'options': ObjType('options', 'options', 'obj'),
+        'head': ObjType('head', 'head', 'obj'),
+        'post': ObjType('post', 'post', 'obj'),
+        'get': ObjType('get', 'get', 'obj'),
+        'put': ObjType('put', 'put', 'obj'),
+        'patch': ObjType('patch', 'patch', 'obj'),
+        'delete': ObjType('delete', 'delete', 'obj'),
+        'trace': ObjType('trace', 'trace', 'obj'),
+        'connect': ObjType('connect', 'connect', 'obj'),
+        'copy': ObjType('copy', 'copy', 'obj'),
+        'any': ObjType('any', 'any', 'obj')
+    }
+
+    directives = {
+        'options': HTTPOptions,
+        'head': HTTPHead,
+        'post': HTTPPost,
+        'get': HTTPGet,
+        'put': HTTPPut,
+        'patch': HTTPPatch,
+        'delete': HTTPDelete,
+        'trace': HTTPTrace,
+        'connect': HTTPConnect,
+        'copy': HTTPCopy,
+        'any': HTTPAny
+    }
+
+    roles = {
+        'options': HTTPXRefRole('options'),
+        'head': HTTPXRefRole('head'),
+        'post': HTTPXRefRole('post'),
+        'get': HTTPXRefRole('get'),
+        'put': HTTPXRefRole('put'),
+        'patch': HTTPXRefRole('patch'),
+        'delete': HTTPXRefRole('delete'),
+        'trace': HTTPXRefRole('trace'),
+        'connect': HTTPXRefRole('connect'),
+        'copy': HTTPXRefRole('copy'),
+        'any': HTTPXRefRole('any'),
+        'statuscode': HTTPXRefStatusRole(),
+        'method': HTTPXRefMethodRole(),
+        'header': HTTPXRefHeaderRole()
+    }
+
+    initial_data = {
+        'options': {},  # path: (docname, synopsis)
+        'head': {},
+        'post': {},
+        'get': {},
+        'put': {},
+        'patch': {},
+        'delete': {},
+        'trace': {},
+        'connect': {},
+        'copy': {},
+        'any': {}
+    }
+
+    indices = []
+
+    @property
+    def routes(self):
+        return dict((key, self.data[key]) for key in self.object_types)
+
+    def clear_doc(self, docname):
+        for typ, routes in self.routes.items():
+            for path, info in list(routes.items()):
+                if info[0] == docname:
+                    del routes[path]
+
+    def resolve_xref(self, env, fromdocname, builder, typ, target,
+                     node, contnode):
+        try:
+            info = self.data[str(typ)][target]
+        except KeyError:
+            text = contnode.rawsource
+            role = self.roles.get(typ)
+            if role is None:
+                return None
+
+            if fromdocname not in _doctree_cache:
+                _doctree_cache[fromdocname] = env.get_doctree(fromdocname)
+            doctree = _doctree_cache[fromdocname]
+
+            resnode = role.result_nodes(doctree, env, node, None)[0][0]
+            if isinstance(resnode, addnodes.pending_xref):
+                text = node[0][0]
+                reporter = doctree.reporter
+                reporter.warning('Cannot resolve reference to %r' % text,
+                                 line=node.line)
+                return None
+            return resnode
+        else:
+            anchor = http_resource_anchor(typ, target)
+            title = typ.upper() + ' ' + target
+            return make_refnode(builder, fromdocname, info[0], anchor,
+                                contnode, title)
+
+    def resolve_any_xref(self, env, fromdocname, builder, target, node, contnode):
+        """Resolve the pending_xref *node* with the given *target*.
+
+        The reference comes from an "any" or similar role, which means that Sphinx
+        don't know the type.
+
+        For now sphinxcontrib-httpdomain doesn't resolve any xref nodes.
+
+        :return:
+           list of tuples ``('domain:role', newnode)``, where ``'domain:role'``
+           is the name of a role that could have created the same reference,
+        """
+        return []
+
+    def get_objects(self):
+        for method, routes in self.routes.items():
+            for path, info in routes.items():
+                anchor = http_resource_anchor(method, path)
+                yield (path, path, method, info[0], anchor, 1)
+
+
+class HTTPLexer(RegexLexer):
+    """Lexer for HTTP sessions."""
+
+    name = 'HTTP'
+    aliases = ['http']
+
+    flags = re.DOTALL
+
+    def header_callback(self, match):
+        if match.group(1).lower() == 'content-type':
+            content_type = match.group(5).strip()
+            if ';' in content_type:
+                content_type = content_type[:content_type.find(';')].strip()
+            self.content_type = content_type
+        yield match.start(1), Name.Attribute, match.group(1)
+        yield match.start(2), Text, match.group(2)
+        yield match.start(3), Operator, match.group(3)
+        yield match.start(4), Text, match.group(4)
+        yield match.start(5), Literal, match.group(5)
+        yield match.start(6), Text, match.group(6)
+
+    def continuous_header_callback(self, match):
+        yield match.start(1), Text, match.group(1)
+        yield match.start(2), Literal, match.group(2)
+        yield match.start(3), Text, match.group(3)
+
+    def content_callback(self, match):
+        content_type = getattr(self, 'content_type', None)
+        content = match.group()
+        offset = match.start()
+        if content_type:
+            from pygments.lexers import get_lexer_for_mimetype
+            try:
+                lexer = get_lexer_for_mimetype(content_type)
+            except ClassNotFound:
+                pass
+            else:
+                for idx, token, value in lexer.get_tokens_unprocessed(content):
+                    yield offset + idx, token, value
+                return
+        yield offset, Text, content
+
+    tokens = {
+        'root': [
+            (r'(GET|POST|PUT|PATCH|DELETE|HEAD|OPTIONS|TRACE|COPY)( +)([^ ]+)( +)'
+             r'(HTTPS?)(/)(1\.[01])(\r?\n|$)',
+             bygroups(Name.Function, Text, Name.Namespace, Text,
+                      Keyword.Reserved, Operator, Number, Text),
+             'headers'),
+            (r'(HTTPS?)(/)(1\.[01])( +)(\d{3})( +)([^\r\n]+)(\r?\n|$)',
+             bygroups(Keyword.Reserved, Operator, Number, Text, Number,
+                      Text, Name.Exception, Text),
+             'headers'),
+        ],
+        'headers': [
+            (r'([^\s:]+)( *)(:)( *)([^\r\n]+)(\r?\n|$)', header_callback),
+            (r'([\t ]+)([^\r\n]+)(\r?\n|$)', continuous_header_callback),
+            (r'\r?\n', Text, 'content')
+        ],
+        'content': [
+            (r'.+', content_callback)
+        ]
+    }
+
+
+def setup(app):
+    app.add_domain(HTTPDomain)
+
+    try:
+        get_lexer_by_name('http')
+    except ClassNotFound:
+        app.add_lexer('http', HTTPLexer())
+    app.add_config_value('http_index_ignore_prefixes', [], None)
+    app.add_config_value('http_index_shortname', 'routing table', True)
+    app.add_config_value('http_index_localname', 'HTTP Routing Table', True)
+    app.add_config_value('http_strict_mode', True, None)
+    app.add_config_value('http_headers_ignore_prefixes', ['X-'], None)