1998-04-14 00:24:54 +04:00
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsICSSParser.h"
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#include "nsCSSProps.h"
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#include "nsCSSKeywords.h"
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#include "nsCSSScanner.h"
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#include "nsICSSStyleRule.h"
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#include "nsIUnicharInputStream.h"
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#include "nsIStyleSet.h"
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#include "nsICSSStyleSheet.h"
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#include "nsICSSDeclaration.h"
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#include "nsStyleConsts.h"
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#include "nsIURL.h"
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#include "nsString.h"
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#include "nsIAtom.h"
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#include "nsVoidArray.h"
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#include "nsColor.h"
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static NS_DEFINE_IID(kICSSParserIID, NS_ICSS_PARSER_IID);
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static NS_DEFINE_IID(kICSSStyleSheetIID, NS_ICSS_STYLE_SHEET_IID);
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static NS_DEFINE_IID(kIStyleSheetIID, NS_ISTYLE_SHEET_IID);
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// XXX url's spec'd in a style sheet are relative to the style sheet
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// (this includes things like background-image!).
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// XXX cell-padding, spacing, etc.???
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struct Selector {
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nsString mTag; // weight 1
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nsString mID; // weight 100
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nsString mClass; // weight 10
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nsString mPseudo; // weight 10 (== class)
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PRUint32 mMask; // which fields have values
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Selector();
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~Selector();
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PRInt32 Weight() const;
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#ifdef NS_DEBUG
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void Dump() const;
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#endif
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};
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#define SELECTOR_TAG 0x1
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#define SELECTOR_ID 0x2
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#define SELECTOR_CLASS 0x4
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#define SELECTOR_PSEUDO 0x8
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#define SELECTOR_WEIGHT_BASE 10
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Selector::Selector()
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{
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mMask = 0;
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}
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Selector::~Selector()
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{
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}
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PRInt32 Selector::Weight() const
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{
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return (((0 != (SELECTOR_TAG & mMask)) ? 1 : 0) +
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((0 != (SELECTOR_ID & mMask)) ? (SELECTOR_WEIGHT_BASE * SELECTOR_WEIGHT_BASE) : 0) +
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((0 != ((SELECTOR_CLASS | SELECTOR_PSEUDO) & mMask)) ? SELECTOR_WEIGHT_BASE : 0));
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}
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#ifdef NS_DEBUG
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void Selector::Dump() const
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{
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PRBool needSpace = PR_FALSE;
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if (mTag.Length() > 0) {
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fputs(mTag, stdout);
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needSpace = PR_TRUE;
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}
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if (mID.Length() > 0) {
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if (needSpace) fputs(" ", stdout);
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fputs("#", stdout);
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fputs(mID, stdout);
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needSpace = PR_TRUE;
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}
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if (mClass.Length() > 0) {
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if (needSpace) fputs(" ", stdout);
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fputs(".", stdout);
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fputs(mClass, stdout);
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needSpace = PR_TRUE;
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}
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if (mPseudo.Length() > 0) {
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if (needSpace) fputs(" ", stdout);
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fputs(":", stdout);
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fputs(mPseudo, stdout);
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needSpace = PR_TRUE;
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}
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}
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#endif
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// e.g. "P B, H1 B { ... }" has a selector list with two elements,
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// each of which has two selectors.
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struct SelectorList {
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SelectorList* mNext;
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nsVoidArray mSelectors;
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SelectorList();
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void Destroy();
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void AddSelector(Selector* aSelector) {
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mSelectors.AppendElement(aSelector);
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}
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#ifdef NS_DEBUG
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void Dump();
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#endif
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private:
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~SelectorList();
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};
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SelectorList::SelectorList()
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{
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mNext = nsnull;
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}
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SelectorList::~SelectorList()
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{
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PRInt32 n = mSelectors.Count();
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for (PRInt32 i = 0; i < n; i++) {
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Selector* sel = (Selector*) mSelectors.ElementAt(i);
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delete sel;
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}
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}
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void SelectorList::Destroy()
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{
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SelectorList* list = this;
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while (nsnull != list) {
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SelectorList* next = list->mNext;
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delete list;
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list = next;
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}
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}
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#ifdef NS_DEBUG
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void SelectorList::Dump()
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{
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PRInt32 n = mSelectors.Count();
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for (PRInt32 i = 0; i < n; i++) {
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Selector* sel = (Selector*) mSelectors.ElementAt(i);
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sel->Dump();
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fputs(" ", stdout);
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}
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if (mNext) {
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fputs(", ", stdout);
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mNext->Dump();
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}
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}
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#endif
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//----------------------------------------------------------------------
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// Your basic top-down recursive descent style parser
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class CSSParserImpl : public nsICSSParser {
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public:
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CSSParserImpl();
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CSSParserImpl(nsICSSStyleSheet* aSheet);
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~CSSParserImpl();
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NS_DECL_ISUPPORTS
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virtual PRUint32 GetInfoMask();
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virtual nsresult SetStyleSheet(nsIStyleSheet* aSheet);
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virtual nsIStyleSheet* Parse(PRInt32* aErrorCode,
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nsIUnicharInputStream* aInput,
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nsIURL* aInputURL);
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protected:
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PRBool GetToken(PRInt32* aErrorCode, PRBool aSkipWS);
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void UngetToken();
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PRBool ExpectSymbol(PRInt32* aErrorCode, char aSymbol, PRBool aSkipWS);
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nsString* NextIdent(PRInt32* aErrorCode);
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void SkipUntil(PRInt32* aErrorCode, PRUnichar aStopSymbol);
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void SkipRuleSet(PRInt32* aErrorCode);
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void SkipDeclaration(PRInt32* aErrorCode);
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PRBool ParseRuleSet(PRInt32* aErrorCode);
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PRBool ParseAtRule(PRInt32* aErrorCode);
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PRBool ParseImportRule(PRInt32* aErrorCode);
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PRBool ParseSelectorGroup(PRInt32* aErrorCode, SelectorList* aListHead);
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PRBool ParseSelectorList(PRInt32* aErrorCode, SelectorList* aListHead);
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PRBool ParseSelector(PRInt32* aErrorCode, Selector* aSelectorResult);
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nsICSSDeclaration* ParseDeclarationBlock(PRInt32* aErrorCode);
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PRBool ParseDeclaration(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration);
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PRBool ParseProperty(PRInt32* aErrorCode, const char* aName,
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nsICSSDeclaration* aDeclaration);
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PRBool ParseProperty(PRInt32* aErrorCode, const char* aName,
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nsICSSDeclaration* aDeclaration, PRInt32 aID);
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// Property specific parsing routines
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PRBool ParseBackground(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration);
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PRBool ParseBackgroundFilter(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration,
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const char* aName);
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PRBool ParseForegroundFilter(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration,
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const char* aName);
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PRBool ParseBackgroundPosition(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration,
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const char* aName);
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PRBool ParseBorder(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration);
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PRBool ParseBorderColor(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration);
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PRBool ParseBorderSide(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration,
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const char* aNames[], PRInt32 aWhichSide);
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PRBool ParseBorderStyle(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration);
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PRBool ParseBorderWidth(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration);
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PRBool ParseClip(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration);
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PRBool ParseFont(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration,
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const char* aName);
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PRBool ParseFontFamily(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration,
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const char* aName);
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PRBool ParseFontWeight(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration,
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const char* aName);
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PRBool ParseListStyle(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration);
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PRBool ParseMargin(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration);
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PRBool ParsePadding(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration);
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PRBool ParseTextDecoration(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration,
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const char* aName);
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// Reused utility parsing routines
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PRBool ParseBoxProperties(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration,
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const char* aNames[]);
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PRInt32 ParseChoice(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration,
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const char* aNames[], PRInt32 aNumNames);
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PRBool ParseColor(PRInt32* aErrorCode, nscolor* aColorResult);
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PRBool ParseColorComponent(PRInt32* aErrorCode, PRUint8* aComponent,
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char aStop);
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PRBool ParseEnum(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration,
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const char* aName, PRInt32* aTable);
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PRInt32 SearchKeywordTable(PRInt32 aID, PRInt32 aTable[]);
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PRBool ParseVariant(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration,
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const char* aName, PRInt32 aVariant,
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PRInt32* aTable);
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PRBool TranslateLength(nsICSSDeclaration* aDeclaration, const char* aName,
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float aNumber, const nsString& aDimension);
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void ProcessImport(const nsString& aURLSpec);
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// Current token. The value is valid after calling GetToken
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nsCSSToken mToken;
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// After an UngetToken is done this flag is true. The next call to
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// GetToken clears the flag.
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PRBool mHavePushBack;
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nsCSSScanner* mScanner;
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nsIURL* mURL;
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nsICSSStyleSheet* mSheet;
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PRBool mInHead;
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};
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NS_HTML nsresult
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NS_NewCSSParser(nsICSSParser** aInstancePtrResult)
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{
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CSSParserImpl *it = new CSSParserImpl();
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if (it == nsnull) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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return it->QueryInterface(kICSSParserIID, (void **) aInstancePtrResult);
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}
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CSSParserImpl::CSSParserImpl()
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{
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NS_INIT_REFCNT();
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mScanner = nsnull;
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mSheet = nsnull;
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mHavePushBack = PR_FALSE;
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}
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CSSParserImpl::CSSParserImpl(nsICSSStyleSheet* aSheet)
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{
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NS_INIT_REFCNT();
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mScanner = nsnull;
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mSheet = aSheet; aSheet->AddRef();
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mHavePushBack = PR_FALSE;
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}
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NS_IMPL_ISUPPORTS(CSSParserImpl,kICSSParserIID)
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CSSParserImpl::~CSSParserImpl()
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{
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NS_IF_RELEASE(mSheet);
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}
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PRUint32 CSSParserImpl::GetInfoMask()
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{
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return NS_CSS_GETINFO_CSS1 | NS_CSS_GETINFO_CSSP;
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}
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nsresult CSSParserImpl::SetStyleSheet(nsIStyleSheet* aSheet)
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{
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NS_PRECONDITION(nsnull != aSheet, "null ptr");
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if (nsnull == aSheet) {
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return NS_ERROR_NULL_POINTER;
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}
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// Make sure the sheet supports the correct interface!
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static NS_DEFINE_IID(kICSSStyleSheetIID, NS_ICSS_STYLE_SHEET_IID);
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nsICSSStyleSheet* cssSheet;
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nsresult rv = aSheet->QueryInterface(kICSSStyleSheetIID, (void**)&cssSheet);
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if (NS_OK != rv) {
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return rv;
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}
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// Switch to using the new sheet
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NS_IF_RELEASE(mSheet);
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mSheet = cssSheet;
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return NS_OK;
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}
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nsIStyleSheet* CSSParserImpl::Parse(PRInt32* aErrorCode,
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nsIUnicharInputStream* aInput,
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nsIURL* aInputURL)
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{
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if (nsnull == mSheet) {
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NS_NewCSSStyleSheet(&mSheet, aInputURL);
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}
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mScanner = new nsCSSScanner();
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mScanner->Init(aInput);
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mURL = aInputURL;
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if (nsnull != aInputURL) {
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aInputURL->AddRef();
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}
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mInHead = PR_TRUE;
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nsCSSToken* tk = &mToken;
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for (;;) {
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// Get next non-whitespace token
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if (!GetToken(aErrorCode, PR_TRUE)) {
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break;
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}
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if (eCSSToken_AtKeyword == tk->mType) {
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ParseAtRule(aErrorCode);
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continue;
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} else if (eCSSToken_Symbol == tk->mType) {
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// Discard dangling semicolons. This is not part of the CSS1
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// forward compatible parsing spec, but it makes alot of sense.
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if (';' == tk->mSymbol) {
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continue;
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}
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}
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mInHead = PR_FALSE;
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UngetToken();
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ParseRuleSet(aErrorCode);
|
|
|
|
}
|
|
|
|
delete mScanner;
|
|
|
|
mScanner = nsnull;
|
|
|
|
NS_IF_RELEASE(mURL);
|
|
|
|
|
|
|
|
nsIStyleSheet* rv = nsnull;
|
|
|
|
mSheet->QueryInterface(kIStyleSheetIID, (void**)&rv);
|
|
|
|
return rv;
|
|
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::GetToken(PRInt32* aErrorCode, PRBool aSkipWS)
|
|
|
|
{
|
|
|
|
for (;;) {
|
|
|
|
if (!mHavePushBack) {
|
|
|
|
if (!mScanner->Next(aErrorCode, &mToken)) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
mHavePushBack = PR_FALSE;
|
|
|
|
if (aSkipWS && (eCSSToken_WhiteSpace == mToken.mType)) {
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSSParserImpl::UngetToken()
|
|
|
|
{
|
|
|
|
NS_PRECONDITION(mHavePushBack == PR_FALSE, "double pushback");
|
|
|
|
mHavePushBack = PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ExpectSymbol(PRInt32* aErrorCode,
|
|
|
|
char aSymbol,
|
|
|
|
PRBool aSkipWS)
|
|
|
|
{
|
|
|
|
if (!GetToken(aErrorCode, aSkipWS)) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
nsCSSToken* tk = &mToken;
|
|
|
|
if ((eCSSToken_Symbol == tk->mType) && (aSymbol == tk->mSymbol)) {
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
UngetToken();
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
nsString* CSSParserImpl::NextIdent(PRInt32* aErrorCode)
|
|
|
|
{
|
|
|
|
if (!GetToken(aErrorCode, PR_TRUE)) {
|
|
|
|
return nsnull;
|
|
|
|
}
|
|
|
|
if (eCSSToken_Ident != mToken.mType) {
|
|
|
|
UngetToken();
|
|
|
|
return nsnull;
|
|
|
|
}
|
|
|
|
return &mToken.mIdent;
|
|
|
|
}
|
|
|
|
|
|
|
|
// XXX @media type {, types } '{' rules '}'
|
|
|
|
// XXX @font-face
|
|
|
|
// XXX @page { :left | :right } '{' declarations '}'
|
|
|
|
PRBool CSSParserImpl::ParseAtRule(PRInt32* aErrorCode)
|
|
|
|
{
|
|
|
|
nsCSSToken* tk = &mToken;
|
|
|
|
if (mInHead && tk->mIdent.EqualsIgnoreCase("import")) {
|
|
|
|
ParseImportRule(aErrorCode);
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Skip over unsupported at rule
|
|
|
|
for (;;) {
|
|
|
|
if (!GetToken(aErrorCode, PR_TRUE)) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
if (eCSSToken_Symbol == tk->mType) {
|
|
|
|
PRUnichar symbol = tk->mSymbol;
|
|
|
|
if (symbol == ';') {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (symbol == '{') {
|
|
|
|
SkipUntil(aErrorCode, '}');
|
|
|
|
break;
|
|
|
|
} else if (symbol == '(') {
|
|
|
|
SkipUntil(aErrorCode, ')');
|
|
|
|
} else if (symbol == '[') {
|
|
|
|
SkipUntil(aErrorCode, ']');
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
mInHead = PR_FALSE;
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Parse a CSS1 import rule: "@import STRING | URL"
|
|
|
|
PRBool CSSParserImpl::ParseImportRule(PRInt32* aErrorCode)
|
|
|
|
{
|
|
|
|
nsCSSToken* tk = &mToken;
|
|
|
|
if (!GetToken(aErrorCode, PR_TRUE)) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
if ((eCSSToken_String == tk->mType) || (eCSSToken_URL == tk->mType)) {
|
|
|
|
if (ExpectSymbol(aErrorCode, ';', PR_TRUE)) {
|
|
|
|
ProcessImport(tk->mIdent);
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
if ((eCSSToken_Symbol != tk->mType) || (';' != tk->mSymbol)) {
|
|
|
|
SkipUntil(aErrorCode, ';');
|
|
|
|
}
|
|
|
|
}
|
|
|
|
mInHead = PR_FALSE;
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSSParserImpl::ProcessImport(const nsString& aURLSpec)
|
|
|
|
{
|
|
|
|
// XXX probably need a way to encode unicode junk for the part of
|
|
|
|
// the url that follows a "?"
|
|
|
|
char* cp = aURLSpec.ToNewCString();
|
|
|
|
nsIURL* url;
|
|
|
|
nsresult rv = NS_NewURL(&url, mURL, cp);
|
|
|
|
delete cp;
|
|
|
|
if (NS_OK != rv) {
|
|
|
|
// import url is bad
|
|
|
|
// XXX log this somewhere for easier web page debugging
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (PR_FALSE == mSheet->ContainsStyleSheet(url)) { // don't allow circular references
|
|
|
|
|
|
|
|
PRInt32 ec;
|
|
|
|
nsIInputStream* in = url->Open(&ec);
|
|
|
|
if (nsnull == in) {
|
|
|
|
// failure to make connection
|
|
|
|
// XXX log this somewhere for easier web page debugging
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
|
|
|
|
nsIUnicharInputStream* uin;
|
|
|
|
rv = NS_NewConverterStream(&uin, nsnull, in);
|
|
|
|
if (NS_OK != rv) {
|
|
|
|
// XXX no iso-latin-1 converter? out of memory?
|
|
|
|
NS_RELEASE(in);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
|
|
|
|
NS_RELEASE(in);
|
|
|
|
|
|
|
|
// Create a new parse to parse the import.
|
|
|
|
|
|
|
|
if (NS_OK == rv) {
|
|
|
|
CSSParserImpl *parser = new CSSParserImpl();
|
|
|
|
nsIStyleSheet* childSheet = parser->Parse(&ec, uin, url);
|
|
|
|
NS_RELEASE(parser);
|
|
|
|
if (nsnull != childSheet) {
|
|
|
|
nsICSSStyleSheet* cssChild = nsnull;
|
|
|
|
if (NS_OK == childSheet->QueryInterface(kICSSStyleSheetIID, (void**)&cssChild)) {
|
|
|
|
mSheet->AppendStyleSheet(cssChild);
|
|
|
|
NS_RELEASE(cssChild);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
NS_RELEASE(childSheet);
|
|
|
|
}
|
|
|
|
NS_RELEASE(uin);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
NS_RELEASE(url);
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSSParserImpl::SkipUntil(PRInt32* aErrorCode, PRUnichar aStopSymbol)
|
|
|
|
{
|
|
|
|
nsCSSToken* tk = &mToken;
|
|
|
|
for (;;) {
|
|
|
|
if (!GetToken(aErrorCode, PR_TRUE)) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (eCSSToken_Symbol == tk->mType) {
|
|
|
|
PRUnichar symbol = tk->mSymbol;
|
|
|
|
if (symbol == aStopSymbol) {
|
|
|
|
break;
|
|
|
|
} else if ('{' == symbol) {
|
|
|
|
SkipUntil(aErrorCode, '}');
|
|
|
|
} else if ('[' == symbol) {
|
|
|
|
SkipUntil(aErrorCode, ']');
|
|
|
|
} else if ('(' == symbol) {
|
|
|
|
SkipUntil(aErrorCode, ')');
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSSParserImpl::SkipDeclaration(PRInt32* aErrorCode)
|
|
|
|
{
|
|
|
|
nsCSSToken* tk = &mToken;
|
|
|
|
for (;;) {
|
|
|
|
if (!GetToken(aErrorCode, PR_TRUE)) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (eCSSToken_Symbol == tk->mType) {
|
|
|
|
PRUnichar symbol = tk->mSymbol;
|
|
|
|
if (';' == symbol) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if ('}' == symbol) {
|
|
|
|
UngetToken();
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if ('{' == symbol) {
|
|
|
|
SkipUntil(aErrorCode, '}');
|
|
|
|
} else if ('(' == symbol) {
|
|
|
|
SkipUntil(aErrorCode, ')');
|
|
|
|
} else if ('[' == symbol) {
|
|
|
|
SkipUntil(aErrorCode, ']');
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSSParserImpl::SkipRuleSet(PRInt32* aErrorCode)
|
|
|
|
{
|
|
|
|
nsCSSToken* tk = &mToken;
|
|
|
|
for (;;) {
|
|
|
|
if (!GetToken(aErrorCode, PR_TRUE)) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (eCSSToken_Symbol == tk->mType) {
|
|
|
|
PRUnichar symbol = tk->mSymbol;
|
|
|
|
if ('{' == symbol) {
|
|
|
|
SkipUntil(aErrorCode, '}');
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if ('(' == symbol) {
|
|
|
|
SkipUntil(aErrorCode, ')');
|
|
|
|
} else if ('[' == symbol) {
|
|
|
|
SkipUntil(aErrorCode, ']');
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseRuleSet(PRInt32* aErrorCode)
|
|
|
|
{
|
|
|
|
nsCSSToken* tk = &mToken;
|
|
|
|
|
|
|
|
// First get the list of selectors for the rule
|
|
|
|
SelectorList *slist = new SelectorList();
|
|
|
|
if (!ParseSelectorList(aErrorCode, slist)) {
|
|
|
|
SkipRuleSet(aErrorCode);
|
|
|
|
slist->Destroy();
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Next parse the declaration block
|
|
|
|
nsICSSDeclaration* declaration = ParseDeclarationBlock(aErrorCode);
|
|
|
|
if (nsnull == declaration) {
|
|
|
|
// XXX skip something here
|
|
|
|
slist->Destroy();
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
slist->Dump();
|
|
|
|
fputs("{\n", stdout);
|
|
|
|
declaration->List();
|
|
|
|
fputs("}\n", stdout);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
// Translate the selector list and declaration block into style data
|
|
|
|
|
|
|
|
// XXX PSL working here
|
|
|
|
|
|
|
|
SelectorList* list = slist;
|
|
|
|
nsCSSSelector selector;
|
|
|
|
nsICSSStyleRule* rule;
|
|
|
|
|
|
|
|
while (nsnull != list) {
|
|
|
|
PRInt32 selIndex = list->mSelectors.Count();
|
|
|
|
|
|
|
|
Selector* sel = (Selector*)list->mSelectors[--selIndex];
|
|
|
|
selector.Set(sel->mTag, sel->mID, sel->mClass, sel->mPseudo);
|
|
|
|
PRInt32 weight = sel->Weight();
|
|
|
|
|
|
|
|
if (NS_OK == NS_NewCSSStyleRule(&rule, selector)) {
|
|
|
|
while (--selIndex >= 0) {
|
|
|
|
Selector* sel = (Selector*)list->mSelectors[selIndex];
|
|
|
|
selector.Set(sel->mTag, sel->mID, sel->mClass, sel->mPseudo);
|
|
|
|
|
|
|
|
rule->AddSelector(selector);
|
|
|
|
weight += sel->Weight();
|
|
|
|
}
|
|
|
|
rule->SetDeclaration(declaration);
|
|
|
|
rule->SetWeight(weight);
|
|
|
|
// rule->List();
|
|
|
|
mSheet->AppendStyleRule(rule);
|
|
|
|
NS_RELEASE(rule);
|
|
|
|
}
|
|
|
|
|
|
|
|
list = list->mNext;
|
|
|
|
}
|
|
|
|
|
|
|
|
// XXX PSL working here
|
|
|
|
|
|
|
|
// Release temporary storage
|
|
|
|
slist->Destroy();
|
|
|
|
NS_RELEASE(declaration);
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseSelectorList(PRInt32* aErrorCode,
|
|
|
|
SelectorList* aListHead)
|
|
|
|
{
|
|
|
|
if (!ParseSelectorGroup(aErrorCode, aListHead)) {
|
|
|
|
// must have at least one selector group
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// After that there must either be a "," or a "{"
|
|
|
|
nsCSSToken* tk = &mToken;
|
|
|
|
for (;;) {
|
|
|
|
if (!GetToken(aErrorCode, PR_TRUE)) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
if (eCSSToken_Symbol != tk->mType) {
|
|
|
|
UngetToken();
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
if (',' == tk->mSymbol) {
|
|
|
|
// Another selector group must follow
|
|
|
|
SelectorList* newList = new SelectorList();
|
|
|
|
if (!ParseSelectorGroup(aErrorCode, newList)) {
|
|
|
|
newList->Destroy();
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
// add new list to the end of the selector list
|
|
|
|
aListHead->mNext = newList;
|
|
|
|
aListHead = newList;
|
|
|
|
continue;
|
|
|
|
} else if ('{' == tk->mSymbol) {
|
|
|
|
UngetToken();
|
|
|
|
break;
|
|
|
|
} else {
|
|
|
|
UngetToken();
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseSelectorGroup(PRInt32* aErrorCode,
|
|
|
|
SelectorList* aList)
|
|
|
|
{
|
|
|
|
for (;;) {
|
|
|
|
Selector* sel = new Selector();
|
|
|
|
if (!ParseSelector(aErrorCode, sel)) {
|
|
|
|
delete sel;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
aList->AddSelector(sel);
|
|
|
|
}
|
|
|
|
return (PRBool) (aList->mSelectors.Count() > 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* These are the 15 possible kinds of CSS1 style selectors:
|
|
|
|
* <UL>
|
|
|
|
* <LI>Tag
|
|
|
|
* <LI>Tag#Id
|
|
|
|
* <LI>Tag#Id.Class
|
|
|
|
* <LI>Tag#Id.Class:Pseudo
|
|
|
|
* <LI>Tag#Id:Pseudo
|
|
|
|
* <LI>Tag.Class
|
|
|
|
* <LI>Tag.Class:Pseudo
|
|
|
|
* <LI>Tag:Pseudo
|
|
|
|
* <LI>#Id
|
|
|
|
* <LI>#Id.Class
|
|
|
|
* <LI>#Id.Class:Pseudo
|
|
|
|
* <LI>#Id:Pseudo
|
|
|
|
* <LI>.Class
|
|
|
|
* <LI>.Class:Pseudo
|
|
|
|
* <LI>:Pseudo
|
|
|
|
* </UL>
|
|
|
|
*/
|
|
|
|
PRBool CSSParserImpl::ParseSelector(PRInt32* aErrorCode,
|
|
|
|
Selector* aSelectorResult)
|
|
|
|
{
|
|
|
|
PRUint32 mask = 0;
|
|
|
|
aSelectorResult->mTag.SetLength(0);
|
|
|
|
aSelectorResult->mClass.SetLength(0);
|
|
|
|
aSelectorResult->mID.SetLength(0);
|
|
|
|
aSelectorResult->mPseudo.SetLength(0);
|
|
|
|
|
|
|
|
nsCSSToken* tk = &mToken;
|
|
|
|
if (!GetToken(aErrorCode, PR_TRUE)) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
if (eCSSToken_Ident == tk->mType) {
|
|
|
|
// tag
|
|
|
|
mask |= SELECTOR_TAG;
|
|
|
|
aSelectorResult->mTag.Append(tk->mIdent);
|
|
|
|
if (!GetToken(aErrorCode, PR_FALSE)) {
|
|
|
|
// premature eof is ok (here!)
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (eCSSToken_ID == tk->mType) {
|
|
|
|
// #id
|
|
|
|
mask |= SELECTOR_ID;
|
|
|
|
aSelectorResult->mID.Append(tk->mIdent);
|
|
|
|
if (!GetToken(aErrorCode, PR_FALSE)) {
|
|
|
|
// premature eof is ok (here!)
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if ((eCSSToken_Symbol == tk->mType) && ('.' == tk->mSymbol)) {
|
|
|
|
// .class
|
|
|
|
mask |= SELECTOR_CLASS;
|
|
|
|
if (!GetToken(aErrorCode, PR_FALSE)) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
if (eCSSToken_Ident != tk->mType) {
|
|
|
|
// malformed selector
|
|
|
|
UngetToken();
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
aSelectorResult->mClass.Append(tk->mIdent);
|
|
|
|
if (!GetToken(aErrorCode, PR_FALSE)) {
|
|
|
|
// premature eof is ok (here!)
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if ((eCSSToken_Symbol == tk->mType) && (':' == tk->mSymbol)) {
|
|
|
|
// :pseudo
|
|
|
|
mask |= SELECTOR_PSEUDO;
|
|
|
|
if (!GetToken(aErrorCode, PR_FALSE)) {
|
|
|
|
// premature eof
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
if (eCSSToken_Ident != tk->mType) {
|
|
|
|
// malformed selector
|
|
|
|
UngetToken();
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
aSelectorResult->mPseudo.Append(tk->mIdent);
|
|
|
|
tk = nsnull;
|
|
|
|
}
|
|
|
|
if (nsnull != tk) {
|
|
|
|
UngetToken();
|
|
|
|
}
|
|
|
|
if (mask == 0) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
aSelectorResult->mMask = mask;
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
nsICSSDeclaration* CSSParserImpl::ParseDeclarationBlock(PRInt32* aErrorCode)
|
|
|
|
{
|
|
|
|
if (!ExpectSymbol(aErrorCode, '{', PR_TRUE)) {
|
|
|
|
return nsnull;
|
|
|
|
}
|
|
|
|
nsICSSDeclaration* declaration = nsnull;
|
|
|
|
if (NS_OK == NS_NewCSSDeclaration(&declaration)) {
|
|
|
|
for (;;) {
|
|
|
|
if (!ParseDeclaration(aErrorCode, declaration)) {
|
|
|
|
SkipDeclaration(aErrorCode);
|
|
|
|
if (ExpectSymbol(aErrorCode, '}', PR_TRUE)) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
// Since the skipped declaration didn't end the block we parse
|
|
|
|
// the next declaration.
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return declaration;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseColor(PRInt32* aErrorCode, nscolor* aColorResult)
|
|
|
|
{
|
|
|
|
char cbuf[50];
|
|
|
|
|
|
|
|
if (!GetToken(aErrorCode, PR_TRUE)) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
nsCSSToken* tk = &mToken;
|
|
|
|
switch (tk->mType) {
|
|
|
|
case eCSSToken_ID:
|
|
|
|
// #xxyyzz
|
|
|
|
tk->mIdent.ToCString(cbuf, sizeof(cbuf));
|
|
|
|
if (NS_HexToRGB(cbuf, aColorResult)) {
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case eCSSToken_Ident:
|
|
|
|
if (!tk->mIdent.EqualsIgnoreCase("rgb")) {
|
|
|
|
// named color (maybe!)
|
|
|
|
tk->mIdent.ToCString(cbuf, sizeof(cbuf));
|
|
|
|
if (NS_ColorNameToRGB(cbuf, aColorResult)) {
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
// rgb ( component , component , component )
|
|
|
|
PRUint8 r, g, b;
|
|
|
|
if (ExpectSymbol(aErrorCode, '(', PR_TRUE) &&
|
|
|
|
ParseColorComponent(aErrorCode, &r, ',') &&
|
|
|
|
ParseColorComponent(aErrorCode, &g, ',') &&
|
|
|
|
ParseColorComponent(aErrorCode, &b, ')')) {
|
|
|
|
*aColorResult = NS_RGB(r,g,b);
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
// It's not a color
|
|
|
|
UngetToken();
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseColorComponent(PRInt32* aErrorCode,
|
|
|
|
PRUint8* aComponent,
|
|
|
|
char aStop)
|
|
|
|
{
|
|
|
|
if (!GetToken(aErrorCode, PR_TRUE)) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
float value;
|
|
|
|
nsCSSToken* tk = &mToken;
|
|
|
|
switch (tk->mType) {
|
|
|
|
case eCSSToken_Number:
|
|
|
|
value = tk->mNumber;
|
|
|
|
break;
|
|
|
|
case eCSSToken_Percentage:
|
|
|
|
value = tk->mNumber * 255.0f;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
UngetToken();
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
if (ExpectSymbol(aErrorCode, aStop, PR_TRUE)) {
|
|
|
|
if (value < 0.0f) value = 0.0f;
|
|
|
|
if (value > 255.0f) value = 255.0f;
|
|
|
|
*aComponent = (PRUint8) value;
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseDeclaration(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration)
|
|
|
|
{
|
|
|
|
// Get property name
|
|
|
|
nsCSSToken* tk = &mToken;
|
|
|
|
for (;;) {
|
|
|
|
if (!GetToken(aErrorCode, PR_TRUE)) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
if (eCSSToken_Ident == tk->mType) {
|
|
|
|
if (!ExpectSymbol(aErrorCode, ':', PR_TRUE)) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if ((eCSSToken_Symbol == tk->mType) && (';' == tk->mSymbol)) {
|
|
|
|
// dangling semicolons are skipped
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Not a declaration...
|
|
|
|
UngetToken();
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Map property name to it's ID and then parse the property
|
|
|
|
char propertyName[100];
|
|
|
|
tk->mIdent.ToCString(propertyName, sizeof(propertyName));
|
|
|
|
if (!ParseProperty(aErrorCode, propertyName, aDeclaration)) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Make sure valid property declaration is terminated with either a
|
|
|
|
// semicolon or a right-curly-brace.
|
|
|
|
if (!GetToken(aErrorCode, PR_TRUE)) {
|
|
|
|
// Premature eof is not ok
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
if (eCSSToken_Symbol == tk->mType) {
|
|
|
|
if (';' == tk->mSymbol) {
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
if ('}' == tk->mSymbol) {
|
|
|
|
UngetToken();
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Flags for ParseVariant method
|
|
|
|
#define VARIANT_KEYWORD 0x01
|
|
|
|
#define VARIANT_LENGTH 0x02
|
|
|
|
#define VARIANT_PERCENT 0x04
|
|
|
|
#define VARIANT_COLOR 0x08
|
|
|
|
#define VARIANT_URL 0x10
|
|
|
|
#define VARIANT_NUMBER 0x20
|
|
|
|
#define VARIANT_INTEGER 0x40
|
|
|
|
|
|
|
|
// Common combinations of variants
|
|
|
|
#define VARIANT_KL (VARIANT_KEYWORD | VARIANT_LENGTH)
|
|
|
|
#define VARIANT_KLP (VARIANT_KEYWORD | VARIANT_LENGTH | VARIANT_PERCENT)
|
|
|
|
#define VARIANT_KLPN (VARIANT_KLP | VARIANT_NUMBER)
|
|
|
|
#define VARIANT_KP (VARIANT_KEYWORD | VARIANT_PERCENT)
|
|
|
|
#define VARIANT_KI (VARIANT_KEYWORD | VARIANT_INTEGER)
|
|
|
|
#define VARIANT_LP (VARIANT_LENGTH | VARIANT_PERCENT)
|
|
|
|
#define VARIANT_CK (VARIANT_COLOR | VARIANT_KEYWORD)
|
|
|
|
#define VARIANT_C VARIANT_COLOR
|
|
|
|
#define VARIANT_UK (VARIANT_URL | VARIANT_KEYWORD)
|
|
|
|
|
|
|
|
// Keyword id tables for variant/enum parsing
|
|
|
|
static PRInt32 kBackgroundAttachmentKTable[] = {
|
|
|
|
KEYWORD_FIXED, NS_STYLE_BG_ATTACHMENT_FIXED,
|
|
|
|
KEYWORD_SCROLL, NS_STYLE_BG_ATTACHMENT_SCROLL,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kBackgroundColorKTable[] = {
|
|
|
|
KEYWORD_TRANSPARENT, NS_STYLE_BG_COLOR_TRANSPARENT,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kBackgroundImageKTable[] = {
|
|
|
|
KEYWORD_NONE, NS_STYLE_BG_IMAGE_NONE,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kBackgroundRepeatKTable[] = {
|
|
|
|
KEYWORD_NO_REPEAT, NS_STYLE_BG_REPEAT_OFF,
|
|
|
|
KEYWORD_REPEAT, NS_STYLE_BG_REPEAT_XY,
|
|
|
|
KEYWORD_REPEAT_X, NS_STYLE_BG_REPEAT_X,
|
|
|
|
KEYWORD_REPEAT_Y, NS_STYLE_BG_REPEAT_Y,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kBorderStyleKTable[] = {
|
|
|
|
KEYWORD_NONE, NS_STYLE_BORDER_STYLE_NONE,
|
|
|
|
KEYWORD_DOTTED, NS_STYLE_BORDER_STYLE_DOTTED,
|
|
|
|
KEYWORD_DASHED, NS_STYLE_BORDER_STYLE_DASHED,
|
|
|
|
KEYWORD_SOLID, NS_STYLE_BORDER_STYLE_SOLID,
|
|
|
|
KEYWORD_DOUBLE, NS_STYLE_BORDER_STYLE_DOUBLE,
|
|
|
|
KEYWORD_GROOVE, NS_STYLE_BORDER_STYLE_GROOVE,
|
|
|
|
KEYWORD_RIDGE, NS_STYLE_BORDER_STYLE_RIDGE,
|
|
|
|
KEYWORD_INSET, NS_STYLE_BORDER_STYLE_INSET,
|
|
|
|
KEYWORD_OUTSET, NS_STYLE_BORDER_STYLE_OUTSET,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kBorderWidthKTable[] = {
|
|
|
|
KEYWORD_THIN, NS_STYLE_BORDER_WIDTH_THIN,
|
|
|
|
KEYWORD_MEDIUM, NS_STYLE_BORDER_WIDTH_MEDIUM,
|
|
|
|
KEYWORD_THICK, NS_STYLE_BORDER_WIDTH_THICK,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kClearKTable[] = {
|
|
|
|
KEYWORD_NONE, NS_STYLE_CLEAR_NONE,
|
|
|
|
KEYWORD_LEFT, NS_STYLE_CLEAR_LEFT,
|
|
|
|
KEYWORD_RIGHT, NS_STYLE_CLEAR_RIGHT,
|
|
|
|
KEYWORD_BOTH, NS_STYLE_CLEAR_BOTH,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kClipKTable[] = {
|
|
|
|
KEYWORD_AUTO, NS_STYLE_CLIP_AUTO,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kDisplayKTable[] = {
|
|
|
|
KEYWORD_NONE, NS_STYLE_DISPLAY_NONE,
|
|
|
|
KEYWORD_BLOCK, NS_STYLE_DISPLAY_BLOCK,
|
|
|
|
KEYWORD_INLINE, NS_STYLE_DISPLAY_INLINE,
|
|
|
|
KEYWORD_LIST_ITEM, NS_STYLE_DISPLAY_LIST_ITEM,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kFloatKTable[] = {
|
|
|
|
KEYWORD_NONE, NS_STYLE_FLOAT_NONE,
|
|
|
|
KEYWORD_LEFT, NS_STYLE_FLOAT_LEFT,
|
|
|
|
KEYWORD_RIGHT, NS_STYLE_FLOAT_RIGHT,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kFontSizeKTable[] = {
|
|
|
|
KEYWORD_XX_SMALL, NS_STYLE_FONT_SIZE_XXSMALL,
|
|
|
|
KEYWORD_X_SMALL, NS_STYLE_FONT_SIZE_XSMALL,
|
|
|
|
KEYWORD_SMALL, NS_STYLE_FONT_SIZE_SMALL,
|
|
|
|
KEYWORD_MEDIUM, NS_STYLE_FONT_SIZE_MEDIUM,
|
|
|
|
KEYWORD_LARGE, NS_STYLE_FONT_SIZE_LARGE,
|
|
|
|
KEYWORD_X_LARGE, NS_STYLE_FONT_SIZE_XLARGE,
|
|
|
|
KEYWORD_XX_LARGE, NS_STYLE_FONT_SIZE_XXLARGE,
|
|
|
|
KEYWORD_LARGER, NS_STYLE_FONT_SIZE_LARGER,
|
|
|
|
KEYWORD_SMALLER, NS_STYLE_FONT_SIZE_SMALLER,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kFontStyleKTable[] = {
|
|
|
|
KEYWORD_NORMAL, NS_STYLE_FONT_STYLE_NORMAL,
|
|
|
|
KEYWORD_ITALIC, NS_STYLE_FONT_STYLE_ITALIC,
|
|
|
|
KEYWORD_OBLIQUE, NS_STYLE_FONT_STYLE_OBLIQUE,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kFontVariantKTable[] = {
|
|
|
|
KEYWORD_NORMAL, NS_STYLE_FONT_VARIANT_NORMAL,
|
|
|
|
KEYWORD_SMALL_CAPS, NS_STYLE_FONT_VARIANT_SMALL_CAPS,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kLeftKTable[] = {
|
|
|
|
KEYWORD_AUTO, NS_STYLE_LEFT_AUTO,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kHeightKTable[] = {
|
|
|
|
KEYWORD_AUTO, NS_STYLE_HEIGHT_AUTO,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kLineHeightKTable[] = {
|
|
|
|
KEYWORD_NORMAL, NS_STYLE_LINE_HEIGHT_NORMAL,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kListStyleImageKTable[] = {
|
|
|
|
KEYWORD_NONE, NS_STYLE_LIST_STYLE_IMAGE_NONE,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kListStylePositionKTable[] = {
|
|
|
|
KEYWORD_INSIDE, NS_STYLE_LIST_STYLE_POSITION_INSIDE,
|
|
|
|
KEYWORD_OUTSIDE, NS_STYLE_LIST_STYLE_POSITION_OUTSIDE,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kListStyleKTable[] = {
|
|
|
|
KEYWORD_NONE, NS_STYLE_LIST_STYLE_NONE,
|
|
|
|
KEYWORD_DISC, NS_STYLE_LIST_STYLE_DISC,
|
|
|
|
KEYWORD_CIRCLE, NS_STYLE_LIST_STYLE_CIRCLE,
|
|
|
|
KEYWORD_SQUARE, NS_STYLE_LIST_STYLE_SQUARE,
|
|
|
|
KEYWORD_DECIMAL, NS_STYLE_LIST_STYLE_DECIMAL,
|
|
|
|
KEYWORD_LOWER_ROMAN, NS_STYLE_LIST_STYLE_LOWER_ROMAN,
|
|
|
|
KEYWORD_UPPER_ROMAN, NS_STYLE_LIST_STYLE_UPPER_ROMAN,
|
|
|
|
KEYWORD_LOWER_ALPHA, NS_STYLE_LIST_STYLE_LOWER_ALPHA,
|
|
|
|
KEYWORD_UPPER_ALPHA, NS_STYLE_LIST_STYLE_UPPER_ALPHA,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kMarginSizeKTable[] = {
|
|
|
|
KEYWORD_AUTO, NS_STYLE_MARGIN_SIZE_AUTO,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kSpacingKTable[] = {
|
|
|
|
KEYWORD_NORMAL, NS_STYLE_SPACING_NORMAL,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kOverflowKTable[] = {
|
|
|
|
KEYWORD_VISIBLE, NS_STYLE_OVERFLOW_VISIBLE,
|
|
|
|
KEYWORD_HIDDEN, NS_STYLE_OVERFLOW_HIDDEN,
|
|
|
|
KEYWORD_SCROLL, NS_STYLE_OVERFLOW_SCROLL,
|
|
|
|
KEYWORD_AUTO, NS_STYLE_OVERFLOW_AUTO,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kPositionKTable[] = {
|
|
|
|
KEYWORD_STATIC, NS_STYLE_POSITION_STATIC,
|
|
|
|
KEYWORD_RELATIVE, NS_STYLE_POSITION_RELATIVE,
|
|
|
|
KEYWORD_ABSOLUTE, NS_STYLE_POSITION_ABSOLUTE,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kTextAlignKTable[] = {
|
|
|
|
KEYWORD_LEFT, NS_STYLE_TEXT_ALIGN_LEFT,
|
|
|
|
KEYWORD_RIGHT, NS_STYLE_TEXT_ALIGN_RIGHT,
|
|
|
|
KEYWORD_CENTER, NS_STYLE_TEXT_ALIGN_CENTER,
|
|
|
|
KEYWORD_JUSTIFY, NS_STYLE_TEXT_ALIGN_JUSTIFY,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kTextTransformKTable[] = {
|
|
|
|
KEYWORD_NONE, NS_STYLE_TEXT_TRANSFORM_NONE,
|
|
|
|
KEYWORD_CAPITALIZE, NS_STYLE_TEXT_TRANSFORM_CAPITALIZE,
|
|
|
|
KEYWORD_LOWERCASE, NS_STYLE_TEXT_TRANSFORM_LOWERCASE,
|
|
|
|
KEYWORD_UPPERCASE, NS_STYLE_TEXT_TRANSFORM_UPPERCASE,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kTopKTable[] = {
|
|
|
|
KEYWORD_AUTO, NS_STYLE_TOP_AUTO,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kVerticalAlignKTable[] = {
|
|
|
|
KEYWORD_BASELINE, NS_STYLE_VERTICAL_ALIGN_BASELINE,
|
|
|
|
KEYWORD_SUB, NS_STYLE_VERTICAL_ALIGN_SUB,
|
|
|
|
KEYWORD_SUPER, NS_STYLE_VERTICAL_ALIGN_SUPER,
|
|
|
|
KEYWORD_TOP, NS_STYLE_VERTICAL_ALIGN_TOP,
|
|
|
|
KEYWORD_TEXT_TOP, NS_STYLE_VERTICAL_ALIGN_TEXT_TOP,
|
|
|
|
KEYWORD_MIDDLE, NS_STYLE_VERTICAL_ALIGN_MIDDLE,
|
|
|
|
KEYWORD_BOTTOM, NS_STYLE_VERTICAL_ALIGN_BOTTOM,
|
|
|
|
KEYWORD_TEXT_BOTTOM, NS_STYLE_VERTICAL_ALIGN_TEXT_BOTTOM,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kVisibilityKTable[] = {
|
|
|
|
KEYWORD_INHERIT, NS_STYLE_VISIBILITY_INHERIT,
|
|
|
|
KEYWORD_VISIBLE, NS_STYLE_VISIBILITY_VISIBLE,
|
|
|
|
KEYWORD_HIDDEN, NS_STYLE_VISIBILITY_HIDDEN,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kWhitespaceKTable[] = {
|
|
|
|
KEYWORD_NORMAL, NS_STYLE_WHITESPACE_NORMAL,
|
|
|
|
KEYWORD_PRE, NS_STYLE_WHITESPACE_PRE,
|
|
|
|
KEYWORD_NOWRAP, NS_STYLE_WHITESPACE_NOWRAP,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kWidthKTable[] = {
|
|
|
|
KEYWORD_AUTO, NS_STYLE_WIDTH_AUTO,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static PRInt32 kZIndexKTable[] = {
|
|
|
|
KEYWORD_AUTO, NS_STYLE_WIDTH_AUTO,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
|
|
|
static const char* kBorderTopNames[] = {
|
|
|
|
"border-top-width",
|
|
|
|
"border-top-style",
|
|
|
|
"border-top-color",
|
|
|
|
};
|
|
|
|
static const char* kBorderRightNames[] = {
|
|
|
|
"border-right-width",
|
|
|
|
"border-right-style",
|
|
|
|
"border-right-color",
|
|
|
|
};
|
|
|
|
static const char* kBorderBottomNames[] = {
|
|
|
|
"border-bottom-width",
|
|
|
|
"border-bottom-style",
|
|
|
|
"border-bottom-color",
|
|
|
|
};
|
|
|
|
static const char* kBorderLeftNames[] = {
|
|
|
|
"border-left-width",
|
|
|
|
"border-left-style",
|
|
|
|
"border-left-color",
|
|
|
|
};
|
|
|
|
|
|
|
|
PRInt32 CSSParserImpl::SearchKeywordTable(PRInt32 aID, PRInt32 aTable[])
|
|
|
|
{
|
|
|
|
PRInt32 i = 0;
|
|
|
|
for (;;) {
|
|
|
|
if (aTable[i] < 0) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (aID == aTable[i]) {
|
|
|
|
return i;
|
|
|
|
}
|
|
|
|
i += 2;
|
|
|
|
}
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseEnum(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration,
|
|
|
|
const char* aName, PRInt32* aTable)
|
|
|
|
{
|
|
|
|
nsString* ident = NextIdent(aErrorCode);
|
|
|
|
if (nsnull == ident) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
char cbuf[50];
|
|
|
|
ident->ToCString(cbuf, sizeof(cbuf));
|
|
|
|
PRInt32 id = nsCSSKeywords::LookupName(cbuf);
|
|
|
|
if (id >= 0) {
|
|
|
|
PRInt32 ix = SearchKeywordTable(id, aTable);
|
|
|
|
if (ix >= 0) {
|
|
|
|
aDeclaration->AddValue(aName, nsCSSValue(aTable[ix+1], eCSSUnit_Enumerated));
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Put the unknown identifier back and return
|
|
|
|
UngetToken();
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::TranslateLength(nsICSSDeclaration* aDeclaration,
|
|
|
|
const char* aName,
|
|
|
|
float aNumber,
|
|
|
|
const nsString& aDimension)
|
|
|
|
{
|
|
|
|
nsCSSUnit units;
|
|
|
|
if (0 != aDimension.Length()) {
|
|
|
|
char cbuf[50];
|
|
|
|
aDimension.ToCString(cbuf, sizeof(cbuf));
|
|
|
|
PRInt32 id = nsCSSKeywords::LookupName(cbuf);
|
|
|
|
switch (id) {
|
|
|
|
case KEYWORD_EM: units = eCSSUnit_EM; break;
|
|
|
|
case KEYWORD_EX: units = eCSSUnit_XHeight; break;
|
|
|
|
case KEYWORD_PX: units = eCSSUnit_Pixel; break;
|
|
|
|
case KEYWORD_IN: units = eCSSUnit_Inch; break;
|
|
|
|
case KEYWORD_CM: units = eCSSUnit_Centimeter; break;
|
|
|
|
case KEYWORD_MM: units = eCSSUnit_Millimeter; break;
|
|
|
|
case KEYWORD_PT: units = eCSSUnit_Point; break;
|
|
|
|
case KEYWORD_PC: units = eCSSUnit_Pica; break;
|
|
|
|
default:
|
|
|
|
// unknown dimension
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
// Must be a zero number...
|
|
|
|
units = eCSSUnit_Point;
|
|
|
|
}
|
|
|
|
aDeclaration->AddValue(aName, nsCSSValue(aNumber, units));
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseVariant(PRInt32* aErrorCode,
|
|
|
|
nsICSSDeclaration* aDeclaration,
|
|
|
|
const char* aName,
|
|
|
|
PRInt32 aVariants, PRInt32* aTable)
|
|
|
|
{
|
|
|
|
nsCSSToken* tk = &mToken;
|
|
|
|
if (!GetToken(aErrorCode, PR_TRUE)) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
if (((aVariants & VARIANT_KEYWORD) != 0) &&
|
|
|
|
(eCSSToken_Ident == tk->mType)) {
|
|
|
|
char cbuf[50];
|
|
|
|
tk->mIdent.ToCString(cbuf, sizeof(cbuf));
|
|
|
|
PRInt32 sid = nsCSSKeywords::LookupName(cbuf);
|
|
|
|
if (sid >= 0) {
|
|
|
|
PRInt32 ix = SearchKeywordTable(sid, aTable);
|
|
|
|
if (ix >= 0) {
|
|
|
|
aDeclaration->AddValue(aName, nsCSSValue(aTable[ix+1], eCSSUnit_Enumerated));
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (((aVariants & VARIANT_LENGTH) != 0) && tk->isDimension()) {
|
|
|
|
return TranslateLength(aDeclaration, aName, tk->mNumber, tk->mIdent);
|
|
|
|
}
|
|
|
|
if (((aVariants & VARIANT_PERCENT) != 0) &&
|
|
|
|
(eCSSToken_Percentage == tk->mType)) {
|
|
|
|
aDeclaration->AddValue(aName, nsCSSValue(tk->mNumber, eCSSUnit_Percent));
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
if (((aVariants & VARIANT_NUMBER) != 0) &&
|
|
|
|
(eCSSToken_Number == tk->mType)) {
|
|
|
|
aDeclaration->AddValue(aName, nsCSSValue(tk->mNumber, eCSSUnit_Number));
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
if (((aVariants & VARIANT_INTEGER) != 0) &&
|
|
|
|
(eCSSToken_Number == tk->mType) && tk->mIntegerValid) {
|
|
|
|
aDeclaration->AddValue(aName, nsCSSValue(tk->mInteger, eCSSUnit_Absolute));
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
if (((aVariants & VARIANT_URL) != 0) &&
|
|
|
|
(eCSSToken_URL == tk->mType)) {
|
|
|
|
aDeclaration->AddValue(aName, nsCSSValue(tk->mIdent));
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
if ((aVariants & VARIANT_COLOR) != 0) {
|
|
|
|
if ((eCSSToken_ID == tk->mType) || (eCSSToken_Ident == tk->mType)) {
|
|
|
|
// Put token back so that parse color can get it
|
|
|
|
UngetToken();
|
|
|
|
nscolor rgba;
|
|
|
|
// XXX This loses the original input format (e.g. a name which
|
|
|
|
// should be preserved when editing)
|
|
|
|
if (ParseColor(aErrorCode, &rgba)) {
|
|
|
|
aDeclaration->AddValue(aName, nsCSSValue(rgba));
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
UngetToken();
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRInt32 CSSParserImpl::ParseChoice(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration,
|
|
|
|
const char* aNames[], PRInt32 aNumNames)
|
|
|
|
{
|
|
|
|
PRInt32 found = 0;
|
|
|
|
for (int i = 0; i < aNumNames; i++) {
|
|
|
|
// Try each property parser in order
|
|
|
|
for (int j = 0; j < aNumNames; j++) {
|
|
|
|
PRInt32 bit = 1 << j;
|
|
|
|
if ((found & bit) == 0) {
|
|
|
|
PRInt32 id = nsCSSProps::LookupName(aNames[j]);
|
|
|
|
if (ParseProperty(aErrorCode, aNames[j], aDeclaration, id)) {
|
|
|
|
found |= bit;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return found;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Parse a "box" property. Box properties have 1 to 4 values. When less
|
|
|
|
* than 4 values are provided a standard mapping is used to replicate
|
|
|
|
* existing values. Note that the replication requires renaming the
|
|
|
|
* values.
|
|
|
|
*/
|
|
|
|
PRBool CSSParserImpl::ParseBoxProperties(PRInt32* aErrorCode,
|
|
|
|
nsICSSDeclaration* aDeclaration,
|
|
|
|
const char* aNames[])
|
|
|
|
{
|
|
|
|
// Get up to four values for the property
|
|
|
|
PRInt32 count = 0;
|
|
|
|
for (int i = 0; i < 4; i++) {
|
|
|
|
PRInt32 id = nsCSSProps::LookupName(aNames[i]);
|
|
|
|
if (!ParseProperty(aErrorCode, aNames[i], aDeclaration, id)) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
count++;
|
|
|
|
}
|
|
|
|
if (count == 0) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Provide missing values by replicating some of the values found
|
|
|
|
nsCSSValue value;
|
|
|
|
switch (count) {
|
|
|
|
case 1: // Make right == top
|
|
|
|
aDeclaration->GetValue(aNames[0], value);
|
|
|
|
aDeclaration->AddValue(aNames[1], value);
|
|
|
|
case 2: // Make bottom == top
|
|
|
|
aDeclaration->GetValue(aNames[0], value);
|
|
|
|
aDeclaration->AddValue(aNames[2], value);
|
|
|
|
case 3: // Make left == right
|
|
|
|
aDeclaration->GetValue(aNames[1], value);
|
|
|
|
aDeclaration->AddValue(aNames[3], value);
|
|
|
|
}
|
|
|
|
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseProperty(PRInt32* aErrorCode,
|
|
|
|
const char* aName,
|
|
|
|
nsICSSDeclaration* aDeclaration)
|
|
|
|
{
|
|
|
|
PRInt32 id = nsCSSProps::LookupName(aName);
|
|
|
|
if (id < 0) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Strip out properties we use internally. These properties are used
|
|
|
|
// by compound property parsing routines (e.g. "background-position").
|
|
|
|
switch (id) {
|
|
|
|
case PROP_BACKGROUND_X_POSITION:
|
|
|
|
case PROP_BACKGROUND_Y_POSITION:
|
|
|
|
case PROP_BORDER_TOP_COLOR:
|
|
|
|
case PROP_BORDER_RIGHT_COLOR:
|
|
|
|
case PROP_BORDER_BOTTOM_COLOR:
|
|
|
|
case PROP_BORDER_LEFT_COLOR:
|
|
|
|
case PROP_BORDER_TOP_STYLE:
|
|
|
|
case PROP_BORDER_RIGHT_STYLE:
|
|
|
|
case PROP_BORDER_BOTTOM_STYLE:
|
|
|
|
case PROP_BORDER_LEFT_STYLE:
|
|
|
|
case PROP_CLIP_BOTTOM:
|
|
|
|
case PROP_CLIP_LEFT:
|
|
|
|
case PROP_CLIP_RIGHT:
|
|
|
|
case PROP_CLIP_TOP:
|
|
|
|
// The user can't use these
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return ParseProperty(aErrorCode, aName, aDeclaration, id);
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseProperty(PRInt32* aErrorCode,
|
|
|
|
const char* aName,
|
|
|
|
nsICSSDeclaration* aDeclaration,
|
|
|
|
PRInt32 aID)
|
|
|
|
{
|
|
|
|
switch (aID) {
|
|
|
|
case PROP_BACKGROUND:
|
|
|
|
return ParseBackground(aErrorCode, aDeclaration);
|
|
|
|
case PROP_BACKGROUND_ATTACHMENT:
|
|
|
|
return ParseEnum(aErrorCode, aDeclaration, aName, kBackgroundAttachmentKTable);
|
|
|
|
case PROP_BACKGROUND_COLOR:
|
|
|
|
return ParseVariant(aErrorCode, aDeclaration, aName, VARIANT_CK,
|
|
|
|
kBackgroundColorKTable);
|
|
|
|
case PROP_BACKGROUND_FILTER:
|
|
|
|
return ParseBackgroundFilter(aErrorCode, aDeclaration, aName);
|
|
|
|
case PROP_BACKGROUND_IMAGE:
|
|
|
|
return ParseVariant(aErrorCode, aDeclaration, aName, VARIANT_UK,
|
|
|
|
kBackgroundImageKTable);
|
|
|
|
case PROP_BACKGROUND_POSITION:
|
|
|
|
return ParseBackgroundPosition(aErrorCode, aDeclaration, aName);
|
|
|
|
case PROP_BACKGROUND_REPEAT:
|
|
|
|
return ParseEnum(aErrorCode, aDeclaration, aName, kBackgroundRepeatKTable);
|
|
|
|
case PROP_BORDER:
|
|
|
|
return ParseBorder(aErrorCode, aDeclaration);
|
|
|
|
case PROP_BORDER_COLOR:
|
|
|
|
return ParseBorderColor(aErrorCode, aDeclaration);
|
|
|
|
case PROP_BORDER_STYLE:
|
|
|
|
return ParseBorderStyle(aErrorCode, aDeclaration);
|
|
|
|
case PROP_BORDER_BOTTOM:
|
|
|
|
return ParseBorderSide(aErrorCode, aDeclaration, kBorderBottomNames, 0);
|
|
|
|
case PROP_BORDER_LEFT:
|
|
|
|
return ParseBorderSide(aErrorCode, aDeclaration, kBorderLeftNames, 1);
|
|
|
|
case PROP_BORDER_RIGHT:
|
|
|
|
return ParseBorderSide(aErrorCode, aDeclaration, kBorderRightNames, 2);
|
|
|
|
case PROP_BORDER_TOP:
|
|
|
|
return ParseBorderSide(aErrorCode, aDeclaration, kBorderTopNames, 3);
|
|
|
|
case PROP_BORDER_BOTTOM_COLOR:
|
|
|
|
case PROP_BORDER_LEFT_COLOR:
|
|
|
|
case PROP_BORDER_RIGHT_COLOR:
|
|
|
|
case PROP_BORDER_TOP_COLOR:
|
|
|
|
return ParseVariant(aErrorCode, aDeclaration, aName, VARIANT_C, nsnull);
|
|
|
|
case PROP_BORDER_BOTTOM_STYLE:
|
|
|
|
case PROP_BORDER_LEFT_STYLE:
|
|
|
|
case PROP_BORDER_RIGHT_STYLE:
|
|
|
|
case PROP_BORDER_TOP_STYLE:
|
|
|
|
return ParseEnum(aErrorCode, aDeclaration, aName, kBorderStyleKTable);
|
|
|
|
case PROP_BORDER_BOTTOM_WIDTH:
|
|
|
|
case PROP_BORDER_LEFT_WIDTH:
|
|
|
|
case PROP_BORDER_RIGHT_WIDTH:
|
|
|
|
case PROP_BORDER_TOP_WIDTH:
|
|
|
|
return ParseVariant(aErrorCode, aDeclaration, aName, VARIANT_KL,
|
|
|
|
kBorderWidthKTable);
|
|
|
|
case PROP_BORDER_WIDTH:
|
|
|
|
return ParseBorderWidth(aErrorCode, aDeclaration);
|
|
|
|
case PROP_CLEAR:
|
|
|
|
return ParseEnum(aErrorCode, aDeclaration, aName, kClearKTable);
|
|
|
|
case PROP_CLIP:
|
|
|
|
return ParseClip(aErrorCode, aDeclaration);
|
|
|
|
case PROP_COLOR:
|
|
|
|
return ParseVariant(aErrorCode, aDeclaration, aName, VARIANT_COLOR, nsnull);
|
|
|
|
case PROP_DISPLAY:
|
|
|
|
return ParseEnum(aErrorCode, aDeclaration, aName, kDisplayKTable);
|
|
|
|
case PROP_FILTER:
|
|
|
|
return ParseForegroundFilter(aErrorCode, aDeclaration, aName);
|
|
|
|
case PROP_FLOAT:
|
|
|
|
return ParseEnum(aErrorCode, aDeclaration, aName, kFloatKTable);
|
|
|
|
case PROP_FONT:
|
|
|
|
return ParseFont(aErrorCode, aDeclaration, aName);
|
|
|
|
case PROP_FONT_FAMILY:
|
|
|
|
return ParseFontFamily(aErrorCode, aDeclaration, aName);
|
|
|
|
case PROP_FONT_SIZE:
|
|
|
|
return ParseVariant(aErrorCode, aDeclaration, aName, VARIANT_KLP,
|
|
|
|
kFontSizeKTable);
|
|
|
|
case PROP_FONT_STYLE:
|
|
|
|
return ParseEnum(aErrorCode, aDeclaration, aName, kFontStyleKTable);
|
|
|
|
case PROP_FONT_VARIANT:
|
|
|
|
return ParseEnum(aErrorCode, aDeclaration, aName, kFontVariantKTable);
|
|
|
|
case PROP_FONT_WEIGHT:
|
|
|
|
return ParseFontWeight(aErrorCode, aDeclaration, aName);
|
|
|
|
case PROP_HEIGHT:
|
1998-04-24 06:43:42 +04:00
|
|
|
return ParseVariant(aErrorCode, aDeclaration, aName, VARIANT_KLP, kHeightKTable);
|
1998-04-14 00:24:54 +04:00
|
|
|
case PROP_LEFT:
|
|
|
|
return ParseVariant(aErrorCode, aDeclaration, aName, VARIANT_KLP, kLeftKTable);
|
|
|
|
case PROP_LINE_HEIGHT:
|
|
|
|
return ParseVariant(aErrorCode, aDeclaration, aName, VARIANT_KLPN,
|
|
|
|
kLineHeightKTable);
|
|
|
|
case PROP_LIST_STYLE:
|
|
|
|
return ParseListStyle(aErrorCode, aDeclaration);
|
|
|
|
case PROP_LIST_STYLE_IMAGE:
|
|
|
|
return ParseVariant(aErrorCode, aDeclaration, aName, VARIANT_UK,
|
|
|
|
kListStyleImageKTable);
|
|
|
|
case PROP_LIST_STYLE_POSITION:
|
|
|
|
return ParseEnum(aErrorCode, aDeclaration, aName, kListStylePositionKTable);
|
|
|
|
case PROP_LIST_STYLE_TYPE:
|
|
|
|
return ParseEnum(aErrorCode, aDeclaration, aName, kListStyleKTable);
|
|
|
|
case PROP_MARGIN:
|
|
|
|
return ParseMargin(aErrorCode, aDeclaration);
|
|
|
|
case PROP_MARGIN_BOTTOM:
|
|
|
|
case PROP_MARGIN_LEFT:
|
|
|
|
case PROP_MARGIN_RIGHT:
|
|
|
|
case PROP_MARGIN_TOP:
|
|
|
|
return ParseVariant(aErrorCode, aDeclaration, aName, VARIANT_KLP,
|
|
|
|
kMarginSizeKTable);
|
|
|
|
case PROP_PADDING:
|
|
|
|
return ParsePadding(aErrorCode, aDeclaration);
|
|
|
|
case PROP_PADDING_BOTTOM:
|
|
|
|
case PROP_PADDING_LEFT:
|
|
|
|
case PROP_PADDING_RIGHT:
|
|
|
|
case PROP_PADDING_TOP:
|
|
|
|
return ParseVariant(aErrorCode, aDeclaration, aName, VARIANT_LP, nsnull);
|
|
|
|
case PROP_OVERFLOW:
|
|
|
|
return ParseEnum(aErrorCode, aDeclaration, aName, kOverflowKTable);
|
|
|
|
case PROP_POSITION:
|
|
|
|
return ParseEnum(aErrorCode, aDeclaration, aName, kPositionKTable);
|
|
|
|
case PROP_TEXT_ALIGN:
|
|
|
|
return ParseEnum(aErrorCode, aDeclaration, aName, kTextAlignKTable);
|
|
|
|
case PROP_TEXT_DECORATION:
|
|
|
|
return ParseTextDecoration(aErrorCode, aDeclaration, aName);
|
|
|
|
case PROP_TEXT_INDENT:
|
|
|
|
return ParseVariant(aErrorCode, aDeclaration, aName, VARIANT_LP, nsnull);
|
|
|
|
case PROP_TEXT_TRANSFORM:
|
|
|
|
return ParseEnum(aErrorCode, aDeclaration, aName, kTextTransformKTable);
|
|
|
|
case PROP_TOP:
|
|
|
|
return ParseVariant(aErrorCode, aDeclaration, aName, VARIANT_KLP, kTopKTable);
|
|
|
|
case PROP_VERTICAL_ALIGN:
|
|
|
|
return ParseVariant(aErrorCode, aDeclaration, aName, VARIANT_KP,
|
|
|
|
kVerticalAlignKTable);
|
|
|
|
case PROP_VISIBILITY:
|
|
|
|
return ParseEnum(aErrorCode, aDeclaration, aName, kVisibilityKTable);
|
|
|
|
case PROP_WHITE_SPACE:
|
|
|
|
return ParseEnum(aErrorCode, aDeclaration, aName, kWhitespaceKTable);
|
|
|
|
case PROP_WIDTH:
|
|
|
|
return ParseVariant(aErrorCode, aDeclaration, aName, VARIANT_KLP, kWidthKTable);
|
|
|
|
case PROP_LETTER_SPACING:
|
|
|
|
case PROP_WORD_SPACING:
|
|
|
|
return ParseVariant(aErrorCode, aDeclaration, aName, VARIANT_KL, kSpacingKTable);
|
|
|
|
case PROP_Z_INDEX:
|
|
|
|
return ParseVariant(aErrorCode, aDeclaration, aName, VARIANT_KI, kZIndexKTable);
|
|
|
|
}
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseBackground(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration)
|
|
|
|
{
|
|
|
|
static const char* kBackgroundNames[] = {
|
|
|
|
"background-color",
|
|
|
|
"background-image",
|
|
|
|
"background-repeat",
|
|
|
|
"background-attachment",
|
|
|
|
"background-position",
|
|
|
|
"background-filter",
|
|
|
|
};
|
|
|
|
|
|
|
|
PRInt32 found = ParseChoice(aErrorCode, aDeclaration, kBackgroundNames, 6);
|
|
|
|
if (0 == found) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Provide missing values
|
|
|
|
if ((found & 1) == 0) {
|
|
|
|
aDeclaration->AddValue(kBackgroundNames[0],
|
|
|
|
nsCSSValue(NS_STYLE_BG_COLOR_TRANSPARENT,
|
|
|
|
eCSSUnit_Enumerated));
|
|
|
|
}
|
|
|
|
if ((found & 2) == 0) {
|
|
|
|
aDeclaration->AddValue(kBackgroundNames[1],
|
|
|
|
nsCSSValue(NS_STYLE_BG_IMAGE_NONE,
|
|
|
|
eCSSUnit_Enumerated));
|
|
|
|
}
|
|
|
|
if ((found & 4) == 0) {
|
|
|
|
aDeclaration->AddValue(kBackgroundNames[2],
|
|
|
|
nsCSSValue(NS_STYLE_BG_REPEAT_XY,
|
|
|
|
eCSSUnit_Enumerated));
|
|
|
|
}
|
|
|
|
if ((found & 8) == 0) {
|
|
|
|
aDeclaration->AddValue(kBackgroundNames[3],
|
|
|
|
nsCSSValue(NS_STYLE_BG_ATTACHMENT_SCROLL,
|
|
|
|
eCSSUnit_Enumerated));
|
|
|
|
}
|
|
|
|
if ((found & 16) == 0) {
|
|
|
|
aDeclaration->AddValue("background-x-position", nsCSSValue(0.0f, eCSSUnit_Percent));
|
|
|
|
aDeclaration->AddValue("background-y-position", nsCSSValue(0.0f, eCSSUnit_Percent));
|
|
|
|
}
|
|
|
|
|
|
|
|
// XXX Note: no default for filter (yet)
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Bits used in determining which background position info we have
|
|
|
|
#define BG_CENTER 0
|
|
|
|
#define BG_TOP 1
|
|
|
|
#define BG_BOTTOM 2
|
|
|
|
#define BG_LEFT 4
|
|
|
|
#define BG_RIGHT 8
|
|
|
|
#define BG_CENTER1 16
|
|
|
|
#define BG_CENTER2 32
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseBackgroundPosition(PRInt32* aErrorCode,
|
|
|
|
nsICSSDeclaration* aDeclaration,
|
|
|
|
const char* aName)
|
|
|
|
{
|
|
|
|
static PRInt32 kBackgroundPositionNames[] = {
|
|
|
|
PROP_BACKGROUND_X_POSITION,
|
|
|
|
PROP_BACKGROUND_Y_POSITION,
|
|
|
|
};
|
|
|
|
|
|
|
|
// Note: Don't change this table unless you update
|
|
|
|
// parseBackgroundPosition!
|
|
|
|
|
|
|
|
static PRInt32 kBackgroundXYPositionKTable[] = {
|
|
|
|
KEYWORD_CENTER, BG_CENTER,
|
|
|
|
KEYWORD_TOP, BG_TOP,
|
|
|
|
KEYWORD_BOTTOM, BG_BOTTOM,
|
|
|
|
KEYWORD_LEFT, BG_LEFT,
|
|
|
|
KEYWORD_RIGHT, BG_RIGHT,
|
|
|
|
-1,
|
|
|
|
};
|
|
|
|
|
|
|
|
const char* bxp = "background-x-position";
|
|
|
|
const char* byp = "background-y-position";
|
|
|
|
|
|
|
|
// First try a number or a length value
|
|
|
|
if (ParseVariant(aErrorCode, aDeclaration, bxp, VARIANT_LP, nsnull)) {
|
|
|
|
// We have one number/length. Get the optional second number/length.
|
|
|
|
if (ParseVariant(aErrorCode, aDeclaration, byp, VARIANT_LP, nsnull)) {
|
|
|
|
// We have two numbers
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// We have one number which is the x position. Create an value for
|
|
|
|
// the vertical position which is of value 50%
|
|
|
|
aDeclaration->AddValue(byp, nsCSSValue(0.5f, eCSSUnit_Percent));
|
|
|
|
// XXX shouldn't this be CENTER enum instead?
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Now try keywords. We do this manually to allow for the first
|
|
|
|
// appearance of "center" to apply to the either the x or y
|
|
|
|
// position (it's ambiguous so we have to disambiguate). Each
|
|
|
|
// allowed keyword value is assigned it's own bit. We don't allow
|
|
|
|
// any duplicate keywords other than center. We try to get two
|
|
|
|
// keywords but it's okay if there is only one.
|
|
|
|
PRInt32 mask = 0;
|
|
|
|
PRInt32 centerBit = BG_CENTER1;
|
|
|
|
for (PRInt32 i = 0; i < 2; i++) {
|
|
|
|
nsString* ident = NextIdent(aErrorCode);
|
|
|
|
if (nsnull == ident) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
char cbuf[50];
|
|
|
|
ident->ToCString(cbuf, sizeof(cbuf));
|
|
|
|
PRInt32 ix = SearchKeywordTable(nsCSSKeywords::LookupName(cbuf),
|
|
|
|
kBackgroundXYPositionKTable);
|
|
|
|
if (ix >= 0) {
|
|
|
|
PRInt32 bit = kBackgroundXYPositionKTable[ix + 1];
|
|
|
|
if (bit == 0) {
|
|
|
|
// Special hack for center bits: We can have two of them
|
|
|
|
mask |= centerBit;
|
|
|
|
centerBit <<= 1;
|
|
|
|
continue;
|
|
|
|
} else if ((mask & bit) != 0) {
|
|
|
|
// no duplicate values allowed (other than center)
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
mask |= bit;
|
|
|
|
} else {
|
|
|
|
UngetToken();
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Check for bad input. Bad input consists of no matching keywords,
|
|
|
|
// or pairs of x keywords or pairs of y keywords.
|
|
|
|
if ((mask == 0) || (mask == (BG_TOP | BG_BOTTOM)) ||
|
|
|
|
(mask == (BG_LEFT | BG_RIGHT))) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Map good input
|
|
|
|
int xValue = 50;
|
|
|
|
if ((mask & (BG_LEFT | BG_RIGHT)) != 0) {
|
|
|
|
// We have an x value
|
|
|
|
xValue = ((mask & BG_LEFT) != 0) ? 0 : 100;
|
|
|
|
}
|
|
|
|
int yValue = 50;
|
|
|
|
if ((mask & (BG_TOP | BG_BOTTOM)) != 0) {
|
|
|
|
// We have a y value
|
|
|
|
yValue = ((mask & BG_TOP) != 0) ? 0 : 100;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Create style values
|
|
|
|
aDeclaration->AddValue(bxp, nsCSSValue(xValue, eCSSUnit_Enumerated));
|
|
|
|
aDeclaration->AddValue(byp, nsCSSValue(yValue, eCSSUnit_Enumerated));
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseBackgroundFilter(PRInt32* aErrorCode,
|
|
|
|
nsICSSDeclaration* aDeclaration,
|
|
|
|
const char* aName)
|
|
|
|
{
|
|
|
|
// XXX not yet supported
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseForegroundFilter(PRInt32* aErrorCode,
|
|
|
|
nsICSSDeclaration* aDeclaration,
|
|
|
|
const char* aName)
|
|
|
|
{
|
|
|
|
// XXX not yet supported
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// These must be in alphabetical order for aWhich based indexing to work
|
|
|
|
static const char* kBorderStyleNames[] = {
|
|
|
|
"border-bottom-style",
|
|
|
|
"border-left-style",
|
|
|
|
"border-right-style",
|
|
|
|
"border-top-style",
|
|
|
|
};
|
|
|
|
static const char* kBorderWidthNames[] = {
|
|
|
|
"border-bottom-width",
|
|
|
|
"border-left-width",
|
|
|
|
"border-right-width",
|
|
|
|
"border-top-width",
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseBorder(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration)
|
|
|
|
{
|
|
|
|
static const char* kBorderNames[] = {
|
|
|
|
"border-width",
|
|
|
|
"border-style",
|
|
|
|
"border-color"
|
|
|
|
};
|
|
|
|
PRInt32 found = ParseChoice(aErrorCode, aDeclaration, kBorderNames, 3);
|
|
|
|
if (0 == found) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
if (0 == (found & 1)) {
|
|
|
|
// provide missing border width's
|
|
|
|
for (int i = 0; i < 4; i++) {
|
|
|
|
aDeclaration->AddValue(kBorderWidthNames[i],
|
|
|
|
nsCSSValue(NS_STYLE_BORDER_WIDTH_MEDIUM,
|
|
|
|
eCSSUnit_Enumerated));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (0 == (found & 2)) {
|
|
|
|
// provide missing border style's
|
|
|
|
for (int i = 0; i < 4; i++) {
|
|
|
|
aDeclaration->AddValue(kBorderStyleNames[i],
|
|
|
|
nsCSSValue(NS_STYLE_BORDER_STYLE_NONE,
|
|
|
|
eCSSUnit_Enumerated));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Do NOT provide a missing color value as the default is to be
|
|
|
|
// the color of the element itself which must be determined later.
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseBorderColor(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration)
|
|
|
|
{
|
|
|
|
static const char* kBoxBorderColorNames[] = {
|
|
|
|
"border-top-color",
|
|
|
|
"border-right-color",
|
|
|
|
"border-bottom-color",
|
|
|
|
"border-left-color",
|
|
|
|
};
|
|
|
|
return ParseBoxProperties(aErrorCode, aDeclaration, kBoxBorderColorNames);
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseBorderSide(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration,
|
|
|
|
const char* aNames[], PRInt32 aWhich)
|
|
|
|
{
|
|
|
|
PRInt32 found = ParseChoice(aErrorCode, aDeclaration, aNames, 3);
|
|
|
|
if (found == 0) return PR_FALSE;
|
|
|
|
if ((found & 1) == 0) {
|
|
|
|
// Provide default border-width
|
|
|
|
aDeclaration->AddValue(kBorderWidthNames[aWhich],
|
|
|
|
nsCSSValue(NS_STYLE_BORDER_WIDTH_MEDIUM, eCSSUnit_Enumerated));
|
|
|
|
}
|
|
|
|
if ((found & 2) == 0) {
|
|
|
|
// Provide default border-style
|
|
|
|
aDeclaration->AddValue(kBorderStyleNames[aWhich],
|
|
|
|
nsCSSValue(NS_STYLE_BORDER_STYLE_NONE, eCSSUnit_Enumerated));
|
|
|
|
}
|
|
|
|
|
|
|
|
// Do NOT provide a missing color value as the default is to be
|
|
|
|
// the color of the element itself which must be determined later.
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseBorderStyle(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration)
|
|
|
|
{
|
|
|
|
// in top, right, bottom, left order
|
|
|
|
static const char* kBoxBorderStyleNames[] = {
|
|
|
|
"border-top-style",
|
|
|
|
"border-right-style",
|
|
|
|
"border-bottom-style",
|
|
|
|
"border-left-style",
|
|
|
|
};
|
|
|
|
return ParseBoxProperties(aErrorCode, aDeclaration, kBoxBorderStyleNames);
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseBorderWidth(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration)
|
|
|
|
{
|
|
|
|
static const char* kBoxBorderWidthNames[] = {
|
|
|
|
"border-top-width",
|
|
|
|
"border-right-width",
|
|
|
|
"border-bottom-width",
|
|
|
|
"border-left-width",
|
|
|
|
};
|
|
|
|
return ParseBoxProperties(aErrorCode, aDeclaration, kBoxBorderWidthNames);
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseClip(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration)
|
|
|
|
{
|
|
|
|
static const char* kClipNames[] = {
|
|
|
|
"clip-top",
|
|
|
|
"clip-right",
|
|
|
|
"clip-bottom",
|
|
|
|
"clip-left",
|
|
|
|
};
|
|
|
|
nsString* ident = NextIdent(aErrorCode);
|
|
|
|
if (nsnull == ident) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
if (ident->EqualsIgnoreCase("auto")) {
|
|
|
|
for (int i = 0; i < 4; i++) {
|
|
|
|
aDeclaration->AddValue(kClipNames[i],
|
|
|
|
nsCSSValue(NS_STYLE_CLIP_AUTO, eCSSUnit_Enumerated));
|
|
|
|
}
|
|
|
|
return PR_TRUE;
|
|
|
|
} else if (ident->EqualsIgnoreCase("rect")) {
|
|
|
|
if (!ExpectSymbol(aErrorCode, '(', PR_TRUE)) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
for (int i = 0; i < 4; i++) {
|
|
|
|
if (!ParseVariant(aErrorCode, aDeclaration, kClipNames[i], VARIANT_KL,
|
|
|
|
kClipKTable)) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (!ExpectSymbol(aErrorCode, ')', PR_TRUE)) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
return PR_TRUE;
|
|
|
|
} else {
|
|
|
|
UngetToken();
|
|
|
|
}
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseFont(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration,
|
|
|
|
const char* aName)
|
|
|
|
{
|
|
|
|
static const char* fontNames[] = {
|
|
|
|
"font-style",
|
|
|
|
"font-variant",
|
|
|
|
"font-weight",
|
|
|
|
};
|
|
|
|
|
|
|
|
// Get optional font-style, font-variant and font-weight (in any order)
|
|
|
|
PRInt32 found = ParseChoice(aErrorCode, aDeclaration, fontNames, 3);
|
|
|
|
if ((found & 1) == 0) {
|
|
|
|
// Provide default font-style
|
|
|
|
aDeclaration->AddValue(fontNames[0],
|
|
|
|
nsCSSValue(NS_STYLE_FONT_STYLE_NORMAL, eCSSUnit_Enumerated));
|
|
|
|
}
|
|
|
|
if ((found & 2) == 0) {
|
|
|
|
// Provide default font-variant
|
|
|
|
aDeclaration->AddValue(fontNames[1],
|
|
|
|
nsCSSValue(NS_STYLE_FONT_VARIANT_NORMAL, eCSSUnit_Enumerated));
|
|
|
|
}
|
|
|
|
if ((found & 4) == 0) {
|
|
|
|
// Provide default font-weight
|
|
|
|
aDeclaration->AddValue(fontNames[2],
|
|
|
|
nsCSSValue(NS_STYLE_FONT_WEIGHT_NORMAL, eCSSUnit_Enumerated));
|
|
|
|
}
|
|
|
|
|
|
|
|
// Get mandatory font-size
|
|
|
|
if (!ParseVariant(aErrorCode, aDeclaration, "font-size",
|
|
|
|
VARIANT_KLP, kFontSizeKTable)) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Get optional "/" line-height
|
|
|
|
if (ExpectSymbol(aErrorCode, '/', PR_TRUE)) {
|
|
|
|
if (!ParseVariant(aErrorCode, aDeclaration, "line-height",
|
|
|
|
VARIANT_KLPN, kLineHeightKTable)) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Get final mandatory font-family
|
|
|
|
return ParseFontFamily(aErrorCode, aDeclaration, "font-family");
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseFontFamily(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration,
|
|
|
|
const char* aName)
|
|
|
|
{
|
|
|
|
nsCSSToken* tk = &mToken;
|
|
|
|
nsAutoString family;
|
|
|
|
PRBool firstOne = PR_TRUE;
|
|
|
|
for (;;) {
|
|
|
|
if (!GetToken(aErrorCode, PR_TRUE)) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (eCSSToken_Ident == tk->mType) {
|
|
|
|
if (!firstOne) {
|
|
|
|
family.Append(PRUnichar(','));
|
|
|
|
}
|
|
|
|
family.Append(PRUnichar('"'));
|
|
|
|
family.Append(tk->mIdent);
|
|
|
|
for (;;) {
|
|
|
|
if (!GetToken(aErrorCode, PR_FALSE)) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (eCSSToken_Ident == tk->mType) {
|
|
|
|
family.Append(tk->mIdent);
|
|
|
|
} else if (eCSSToken_WhiteSpace == tk->mType) {
|
|
|
|
// Lookahead one token and drop whitespace if we ending the
|
|
|
|
// font name.
|
|
|
|
if (!GetToken(aErrorCode, PR_TRUE)) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (eCSSToken_Ident != tk->mType) {
|
|
|
|
UngetToken();
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
UngetToken();
|
|
|
|
family.Append(PRUnichar(' '));
|
|
|
|
} else {
|
|
|
|
UngetToken();
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
family.Append(PRUnichar('"'));
|
|
|
|
firstOne = PR_FALSE;
|
|
|
|
} else if (eCSSToken_String == tk->mType) {
|
|
|
|
if (!firstOne) {
|
|
|
|
family.Append(PRUnichar(','));
|
|
|
|
}
|
|
|
|
family.Append(PRUnichar('"'));
|
|
|
|
family.Append(tk->mIdent);
|
|
|
|
family.Append(PRUnichar('"'));
|
|
|
|
firstOne = PR_FALSE;
|
|
|
|
} else if (eCSSToken_Symbol == tk->mType) {
|
|
|
|
if (',' != tk->mSymbol) {
|
|
|
|
UngetToken();
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
UngetToken();
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (family.Length() == 0) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
aDeclaration->AddValue(aName, nsCSSValue(family));
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseFontWeight(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration,
|
|
|
|
const char* aName)
|
|
|
|
{
|
|
|
|
static PRInt32 kFontWeightKTable[] = {
|
|
|
|
KEYWORD_NORMAL, NS_STYLE_FONT_WEIGHT_NORMAL,
|
|
|
|
KEYWORD_BOLD, NS_STYLE_FONT_WEIGHT_BOLD,
|
|
|
|
KEYWORD_BOLDER, NS_STYLE_FONT_WEIGHT_BOLDER,
|
|
|
|
KEYWORD_LIGHTER, NS_STYLE_FONT_WEIGHT_LIGHTER,
|
|
|
|
-1,
|
|
|
|
};
|
|
|
|
nsCSSToken* tk = &mToken;
|
|
|
|
if (!GetToken(aErrorCode, PR_TRUE)) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
if (eCSSToken_Ident == tk->mType) {
|
|
|
|
char cbuf[50];
|
|
|
|
tk->mIdent.ToCString(cbuf, sizeof(cbuf));
|
|
|
|
PRInt32 kid = nsCSSKeywords::LookupName(cbuf);
|
|
|
|
PRInt32 ix = SearchKeywordTable(kid, kFontWeightKTable);
|
|
|
|
if (ix < 0) {
|
|
|
|
UngetToken();
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
aDeclaration->AddValue(aName, nsCSSValue(kFontWeightKTable[ix+1], eCSSUnit_Enumerated));
|
|
|
|
} else if (eCSSToken_Number == tk->mType) {
|
|
|
|
PRInt32 v = (PRInt32) tk->mNumber;
|
|
|
|
if (v < 100) v = 100;
|
|
|
|
else if (v > 900) v = 900;
|
|
|
|
v = v - (v % 100);
|
|
|
|
aDeclaration->AddValue(aName, nsCSSValue(v, eCSSUnit_Absolute));
|
|
|
|
} else {
|
|
|
|
UngetToken();
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseListStyle(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration)
|
|
|
|
{
|
|
|
|
const char* lst = "list-style-type";
|
|
|
|
const char* lsp = "list-style-position";
|
|
|
|
const char* lsi = "list-style-image";
|
|
|
|
int found = 0;
|
|
|
|
for (int i = 0; i < 3; i++) {
|
|
|
|
if (((found & 1) == 0) &&
|
|
|
|
ParseEnum(aErrorCode, aDeclaration, lst, kListStyleKTable)) {
|
|
|
|
found |= 1;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (((found & 2) == 0) &&
|
|
|
|
ParseEnum(aErrorCode, aDeclaration, lsp, kListStylePositionKTable)) {
|
|
|
|
found |= 2;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if ((found & 4) == 0) {
|
|
|
|
if (!GetToken(aErrorCode, PR_TRUE)) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (eCSSToken_URL == mToken.mType) {
|
|
|
|
aDeclaration->AddValue(lsi, nsCSSValue(mToken.mIdent));
|
|
|
|
found |= 4;
|
|
|
|
continue;
|
|
|
|
} else {
|
|
|
|
if (eCSSToken_Symbol == mToken.mType) {
|
|
|
|
PRUnichar symbol = mToken.mSymbol;
|
|
|
|
if ((';' == symbol) || ('}' == symbol)) {
|
|
|
|
UngetToken();
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// We got something strange. That's an error.
|
|
|
|
UngetToken();
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (found == 0) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Provide default values
|
|
|
|
if ((found & 1) == 0) {
|
|
|
|
aDeclaration->AddValue(lst, nsCSSValue(NS_STYLE_LIST_STYLE_DISC, eCSSUnit_Enumerated));
|
|
|
|
}
|
|
|
|
if ((found & 2) == 0) {
|
|
|
|
aDeclaration->AddValue(lsp, nsCSSValue(NS_STYLE_LIST_STYLE_POSITION_OUTSIDE, eCSSUnit_Enumerated));
|
|
|
|
}
|
|
|
|
if ((found & 4) == 0) {
|
|
|
|
aDeclaration->AddValue(lsi, nsCSSValue(NS_STYLE_LIST_STYLE_IMAGE_NONE, eCSSUnit_Enumerated));
|
|
|
|
}
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseMargin(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration)
|
|
|
|
{
|
|
|
|
static const char* kBoxMarginSideNames[] = {
|
|
|
|
"margin-top",
|
|
|
|
"margin-right",
|
|
|
|
"margin-bottom",
|
|
|
|
"margin-left",
|
|
|
|
};
|
|
|
|
return ParseBoxProperties(aErrorCode, aDeclaration, kBoxMarginSideNames);
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParsePadding(PRInt32* aErrorCode, nsICSSDeclaration* aDeclaration)
|
|
|
|
{
|
|
|
|
static const char* kBoxPaddingSideNames[] = {
|
|
|
|
"padding-top",
|
|
|
|
"padding-right",
|
|
|
|
"padding-bottom",
|
|
|
|
"padding-left",
|
|
|
|
};
|
|
|
|
return ParseBoxProperties(aErrorCode, aDeclaration, kBoxPaddingSideNames);
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool CSSParserImpl::ParseTextDecoration(PRInt32* aErrorCode,
|
|
|
|
nsICSSDeclaration* aDeclaration,
|
|
|
|
const char* aName)
|
|
|
|
{
|
|
|
|
static PRInt32 kTextDecorationNoneKTable[] = {
|
|
|
|
KEYWORD_NONE, NS_STYLE_TEXT_DECORATION_NONE,
|
|
|
|
-1
|
|
|
|
};
|
|
|
|
static PRInt32 kTextDecorationKTable[] = {
|
|
|
|
KEYWORD_UNDERLINE, NS_STYLE_TEXT_DECORATION_UNDERLINE,
|
|
|
|
KEYWORD_OVERLINE, NS_STYLE_TEXT_DECORATION_OVERLINE,
|
|
|
|
KEYWORD_LINE_THROUGH, NS_STYLE_TEXT_DECORATION_LINE_THROUGH,
|
|
|
|
KEYWORD_BLINK, NS_STYLE_TEXT_DECORATION_BLINK,
|
|
|
|
-1,
|
|
|
|
};
|
|
|
|
|
|
|
|
if (ParseEnum(aErrorCode, aDeclaration, aName, kTextDecorationNoneKTable)) {
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRInt32 decoration = 0;
|
|
|
|
for (int i = 0; i < 4; i++) {
|
|
|
|
nsString* ident = NextIdent(aErrorCode);
|
|
|
|
if (nsnull == ident) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
char cbuf[50];
|
|
|
|
ident->ToCString(cbuf, sizeof(cbuf));
|
|
|
|
PRInt32 id = nsCSSKeywords::LookupName(cbuf);
|
|
|
|
PRInt32 ix = SearchKeywordTable(id, kTextDecorationKTable);
|
|
|
|
if (ix < 0) {
|
|
|
|
UngetToken();
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
decoration |= kTextDecorationKTable[ix+1];
|
|
|
|
}
|
|
|
|
if (0 == decoration) {
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
aDeclaration->AddValue(aName, nsCSSValue(decoration, eCSSUnit_Absolute));
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|