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Commitc5de2df

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Update parser (and tests) to latest spec. Fix a couple of bugs in the tokenizer that only turned up in the tree construction tests.
1 parent981cbd1 commitc5de2df

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3 files changed

+91
-93
lines changed

3 files changed

+91
-93
lines changed

‎src/html5lib/constants.py

Lines changed: 4 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -256,21 +256,18 @@
256256
_(u"Unexpected end of file. Expected select content."),
257257
"eof-in-frameset":
258258
_(u"Unexpected end of file. Expected frameset content."),
259+
"eof-in-script-in-script":
260+
_(u"Unexpected end of file. Expected script content."),
259261
"non-void-element-with-trailing-solidus":
260262
_(u"Trailing solidus not allowed on element %(name)s"),
261263
"unexpected-html-element-in-foreign-content":
262264
_(u"Element %(name)s not allowed in a non-html context"),
265+
"unexpected-end-tag-before-html":
266+
_(u"Unexpected end tag (%(name)s) before html."),
263267
"XXX-undefined-error":
264268
(u"Undefined error (this sucks and should be fixed)"),
265269
}
266270

267-
contentModelFlags= {
268-
"PCDATA":0,
269-
"RCDATA":1,
270-
"RAWTEXT":2,
271-
"PLAINTEXT":3
272-
}
273-
274271
namespaces= {
275272
"html":"http://www.w3.org/1999/xhtml",
276273
"mathml":"http://www.w3.org/1998/Math/MathML",

‎src/html5lib/html5parser.py

Lines changed: 52 additions & 68 deletions
Original file line numberDiff line numberDiff line change
@@ -25,7 +25,7 @@ def any(iterable):
2525
fromtreebuildersimportsimpletree
2626

2727
importutils
28-
fromconstantsimportcontentModelFlags,spaceCharacters,asciiUpper2Lower
28+
fromconstantsimportspaceCharacters,asciiUpper2Lower
2929
fromconstantsimportscopingElements,formattingElements,specialElements
3030
fromconstantsimportheadingElements,tableInsertModeElements
3131
fromconstantsimportcdataElements,rcdataElements,voidElements
@@ -77,7 +77,7 @@ def __init__(self, tree = simpletree.TreeBuilder,
7777
# XXX "inHeadNoscript": InHeadNoScriptPhase(self, self.tree),
7878
"afterHead":AfterHeadPhase(self,self.tree),
7979
"inBody":InBodyPhase(self,self.tree),
80-
"inRCDataRawtext":InRCDataRawtextPhase(self,self.tree),
80+
"text":TextPhase(self,self.tree),
8181
"inTable":InTablePhase(self,self.tree),
8282
"inTableText":InTableTextPhase(self,self.tree),
8383
"inCaption":InCaptionPhase(self,self.tree),
@@ -124,14 +124,14 @@ def reset(self):
124124
self.innerHTML=self.container.lower()
125125

126126
ifself.innerHTMLincdataElements:
127-
self.tokenizer.contentModelFlag=tokenizer.contentModelFlags["RCDATA"]
127+
self.tokenizer.state=self.tokenizer.rcdataState
128128
elifself.innerHTMLinrcdataElements:
129-
self.tokenizer.contentModelFlag=tokenizer.contentModelFlags["RAWTEXT"]
129+
self.tokenizer.state=self.tokenizer.rawtextState
130130
elifself.innerHTML=='plaintext':
131-
self.tokenizer.contentModelFlag=tokenizer.contentModelFlags["PLAINTEXT"]
131+
self.tokenizer.state=self.tokenizer.plaintextState
132132
else:
133-
#contentModelFlag already isPCDATA
134-
#self.tokenizer.contentModelFlag = tokenizer.contentModelFlags["PCDATA"]
133+
#state already isdata state
134+
#self.tokenizer.state =self.tokenizer.dataState
135135
pass
136136
self.phase=self.phases["beforeHtml"]
137137
self.phase.insertHtmlElement()
@@ -406,7 +406,7 @@ def parseRCDataRawtext(self, token, contentType):
406406

407407
self.originalPhase=self.phase
408408

409-
self.phase=self.phases["inRCDataRawtext"]
409+
self.phase=self.phases["text"]
410410

411411
classPhase(object):
412412
"""Base class for helper object that implements each phase of processing
@@ -636,8 +636,12 @@ def processStartTag(self, token):
636636
self.parser.phase.processStartTag(token)
637637

638638
defprocessEndTag(self,token):
639-
self.insertHtmlElement()
640-
self.parser.phase.processEndTag(token)
639+
iftoken["name"]notin ("head","body","html","br"):
640+
self.parser.parseError("unexpected-end-tag-before-html",
641+
{"name":token["name"]})
642+
else:
643+
self.insertHtmlElement()
644+
self.parser.phase.processEndTag(token)
641645

642646

643647
classBeforeHeadPhase(Phase):
@@ -651,7 +655,7 @@ def __init__(self, parser, tree):
651655
self.startTagHandler.default=self.startTagOther
652656

653657
self.endTagHandler=utils.MethodDispatcher([
654-
(("head","br"),self.endTagImplyHead)
658+
(("head","body","html","br"),self.endTagImplyHead)
655659
])
656660
self.endTagHandler.default=self.endTagOther
657661

@@ -666,6 +670,9 @@ def processCharacters(self, token):
666670
self.startTagHead(impliedTagToken("head","StartTag"))
667671
self.parser.phase.processCharacters(token)
668672

673+
defstartTagHtml(self,token):
674+
self.parser.phases["inBody"].processStartTag(token)
675+
669676
defstartTagHead(self,token):
670677
self.tree.insertElement(token)
671678
self.tree.headPointer=self.tree.openElements[-1]
@@ -692,8 +699,8 @@ def __init__(self, parser, tree):
692699
("title",self.startTagTitle),
693700
(("noscript","noframes","style"),self.startTagNoScriptNoFramesStyle),
694701
("script",self.startTagScript),
695-
(("base","link","command","eventsource"),
696-
self.startTagBaseLinkCommandEventsource),
702+
(("base","link","command"),
703+
self.startTagBaseLinkCommand),
697704
("meta",self.startTagMeta),
698705
("head",self.startTagHead)
699706
])
@@ -728,7 +735,7 @@ def startTagHtml(self, token):
728735
defstartTagHead(self,token):
729736
self.parser.parseError("two-heads-are-not-better-than-one")
730737

731-
defstartTagBaseLinkCommandEventsource(self,token):
738+
defstartTagBaseLinkCommand(self,token):
732739
self.tree.insertElement(token)
733740
self.tree.openElements.pop()
734741
token["selfClosingAcknowledged"]=True
@@ -757,9 +764,10 @@ def startTagNoScriptNoFramesStyle(self, token):
757764
self.parser.parseRCDataRawtext(token,"RAWTEXT")
758765

759766
defstartTagScript(self,token):
760-
#I think this is equivalent to the RAWTEXT stuff since we don't execute script
761-
#self.tree.insertElement(token)
762-
self.parser.parseRCDataRawtext(token,"RAWTEXT")
767+
self.tree.insertElement(token)
768+
self.parser.tokenizer.state=self.parser.tokenizer.scriptDataState
769+
self.parser.originalPhase=self.parser.phase
770+
self.parser.phase=self.parser.phases["text"]
763771

764772
defstartTagOther(self,token):
765773
self.anythingElse()
@@ -838,7 +846,6 @@ def startTagOther(self, token):
838846
self.parser.phase.processStartTag(token)
839847

840848
defendTagHtmlBodyBr(self,token):
841-
#This is not currently in the spec
842849
self.anythingElse()
843850
self.parser.phase.processEndTag(token)
844851

@@ -852,8 +859,8 @@ def anythingElse(self):
852859

853860

854861
classInBodyPhase(Phase):
855-
# http://www.whatwg.org/specs/web-apps/current-work/#in-body
856-
# the crazy mode
862+
# http://www.whatwg.org/specs/web-apps/current-work/#parsing-main-inbody
863+
# thereally-really-really-verycrazy mode
857864
def__init__(self,parser,tree):
858865
Phase.__init__(self,parser,tree)
859866

@@ -862,15 +869,16 @@ def __init__(self, parser, tree):
862869

863870
self.startTagHandler=utils.MethodDispatcher([
864871
("html",self.startTagHtml),
865-
(("base","link","meta","script","style","title"),
866-
self.startTagProcessInHead),
872+
(("base","command","link","meta","noframes","script","style",
873+
"title"),self.startTagProcessInHead),
867874
("body",self.startTagBody),
868875
("frameset",self.startTagFrameset),
869876
(("address","article","aside","blockquote","center","datagrid",
870-
"details","dialog","dir","div","dl","fieldset","figure",
871-
"footer","h1","h2","h3","h4","h5","h6","header","listing",
872-
"menu","nav","ol","p","pre","section","ul"),
877+
"details","dir","div","dl","fieldset","figure",
878+
"footer","header","hgroup","menu","nav","ol","p",
879+
"section","ul"),
873880
self.startTagCloseP),
881+
(("pre","listing"),self.startTagPreListing),
874882
("form",self.startTagForm),
875883
(("li","dd","dt"),self.startTagListItem),
876884
("plaintext",self.startTagPlaintext),
@@ -899,18 +907,17 @@ def __init__(self, parser, tree):
899907
(("svg"),self.startTagSvg),
900908
(("caption","col","colgroup","frame","head",
901909
"tbody","td","tfoot","th","thead",
902-
"tr"),self.startTagMisplaced),
903-
(("event-source","command"),self.startTagNew)
910+
"tr"),self.startTagMisplaced)
904911
])
905912
self.startTagHandler.default=self.startTagOther
906913

907914
self.endTagHandler=utils.MethodDispatcher([
908915
("body",self.endTagBody),
909916
("html",self.endTagHtml),
910917
(("address","article","aside","blockquote","center","datagrid",
911-
"details","dialog","dir","div","dl","fieldset","figure",
912-
"footer","header","listing","menu","nav","ol","pre","section",
913-
"ul"),self.endTagBlock),
918+
"details","dir","div","dl","fieldset","figure",
919+
"footer","header","hgroup","listing","menu","nav","ol","pre",
920+
"section","ul"),self.endTagBlock),
914921
("form",self.endTagForm),
915922
("p",self.endTagP),
916923
(("dd","dt","li"),self.endTagListItem),
@@ -953,14 +960,10 @@ def processSpaceCharactersDropNewline(self, token):
953960
self.tree.insertText(data)
954961

955962
defprocessCharacters(self,token):
956-
# XXX The specification says to do this for every character at the
957-
# moment, but apparently that doesn't match the real world so we don't
958-
# do it for space characters.
959963
self.tree.reconstructActiveFormattingElements()
960964
self.tree.insertText(token["data"])
961965
self.parser.framesetOK=False
962966

963-
#This matches the current spec but may not match the real world
964967
defprocessSpaceCharacters(self,token):
965968
self.tree.reconstructActiveFormattingElements()
966969
self.tree.insertText(token["data"])
@@ -996,9 +999,13 @@ def startTagCloseP(self, token):
996999
ifself.tree.elementInScope("p"):
9971000
self.endTagP(impliedTagToken("p"))
9981001
self.tree.insertElement(token)
999-
iftoken["name"]in ("pre","listing"):
1000-
self.parser.framesetOK=False
1001-
self.processSpaceCharacters=self.processSpaceCharactersDropNewline
1002+
1003+
defstartTagPreListing(self,token):
1004+
ifself.tree.elementInScope("p"):
1005+
self.endTagP(impliedTagToken("p"))
1006+
self.tree.insertElement(token)
1007+
self.parser.framesetOK=False
1008+
self.processSpaceCharacters=self.processSpaceCharactersDropNewline
10021009

10031010
defstartTagForm(self,token):
10041011
ifself.tree.formPointer:
@@ -1035,23 +1042,14 @@ def startTagPlaintext(self, token):
10351042
ifself.tree.elementInScope("p"):
10361043
self.endTagP(impliedTagToken("p"))
10371044
self.tree.insertElement(token)
1038-
self.parser.tokenizer.contentModelFlag=contentModelFlags["PLAINTEXT"]
1045+
self.parser.tokenizer.state=self.parser.tokenizer.plaintextState
10391046

10401047
defstartTagHeading(self,token):
10411048
ifself.tree.elementInScope("p"):
10421049
self.endTagP(impliedTagToken("p"))
10431050
ifself.tree.openElements[-1].nameinheadingElements:
10441051
self.parser.parseError("unexpected-start-tag", {"name":token["name"]})
10451052
self.tree.openElements.pop()
1046-
# Uncomment the following for IE7 behavior:
1047-
#
1048-
#for item in headingElements:
1049-
# if self.tree.elementInScope(item):
1050-
# self.parser.parseError("unexpected-start-tag", {"name": token["name"]})
1051-
# item = self.tree.openElements.pop()
1052-
# while item.name not in headingElements:
1053-
# item = self.tree.openElements.pop()
1054-
# break
10551053
self.tree.insertElement(token)
10561054

10571055
defstartTagA(self,token):
@@ -1175,9 +1173,8 @@ def startTagIsIndex(self, token):
11751173
self.processEndTag(impliedTagToken("form"))
11761174

11771175
defstartTagTextarea(self,token):
1178-
# XXX Form element pointer checking here as well...
11791176
self.tree.insertElement(token)
1180-
self.parser.tokenizer.contentModelFlag=contentModelFlags["RCDATA"]
1177+
self.parser.tokenizer.state=self.parser.tokenizer.rcdataState
11811178
self.processSpaceCharacters=self.processSpaceCharactersDropNewline
11821179
self.parser.framesetOK=False
11831180

@@ -1257,16 +1254,6 @@ def startTagMisplaced(self, token):
12571254
"""
12581255
self.parser.parseError("unexpected-start-tag-ignored", {"name":token["name"]})
12591256

1260-
defstartTagNew(self,token):
1261-
"""New HTML5 elements, "event-source", "section", "nav",
1262-
"article", "aside", "header", "footer", "datagrid", "command"
1263-
"""
1264-
#2007-08-30 - MAP - commenting out this write to sys.stderr because
1265-
# it's really annoying me when I run the validator tests
1266-
#sys.stderr.write("Warning: Undefined behaviour for start tag %s"%name)
1267-
self.startTagOther(token)
1268-
#raise NotImplementedError
1269-
12701257
defstartTagOther(self,token):
12711258
self.tree.reconstructActiveFormattingElements()
12721259
self.tree.insertElement(token)
@@ -1285,19 +1272,16 @@ def endTagP(self, token):
12851272
node=self.tree.openElements.pop()
12861273

12871274
defendTagBody(self,token):
1288-
# XXX Need to take open <p> tags into account here. We shouldn't imply
1289-
# </p> but we should not throw a parse error either. Specification is
1290-
# likely to be updated.
1291-
if (len(self.tree.openElements)==1or
1292-
self.tree.openElements[1].name!="body"):
1293-
# innerHTML case
1275+
ifnotself.tree.elementInScope("body"):
12941276
self.parser.parseError()
12951277
return
12961278
elifself.tree.openElements[-1].name!="body":
12971279
fornodeinself.tree.openElements[2:]:
1298-
ifnode.namenotinfrozenset(("dd","dt","li","p",
1280+
ifnode.namenotinfrozenset(("dd","dt","li","optgroup",
1281+
"option","p","rp","rt",
12991282
"tbody","td","tfoot",
1300-
"th","thead","tr")):
1283+
"th","thead","tr","body",
1284+
"html")):
13011285
#Not sure this is the correct name for the parse error
13021286
self.parser.parseError(
13031287
"expected-one-end-tag-but-got-another",
@@ -1524,7 +1508,7 @@ def endTagOther(self, token):
15241508
self.parser.parseError("unexpected-end-tag", {"name":token["name"]})
15251509
break
15261510

1527-
classInRCDataRawtextPhase(Phase):
1511+
classTextPhase(Phase):
15281512
def__init__(self,parser,tree):
15291513
Phase.__init__(self,parser,tree)
15301514
self.startTagHandler=utils.MethodDispatcher([])

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