--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/css/cssparser.cpp Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,3382 @@
+/*
+ * This file is part of the DOM implementation for KDE.
+ *
+ * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
+ * Copyright (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
+ * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+#include "CSSParser.h"
+
+#include "CSSBorderImageValue.h"
+#include "CSSCharsetRule.h"
+#include "CSSCursorImageValue.h"
+#include "CSSHelper.h"
+#include "CSSImageValue.h"
+#include "CSSImportRule.h"
+#include "CSSInheritedValue.h"
+#include "CSSInitialValue.h"
+#include "CSSMediaRule.h"
+#include "CSSMutableStyleDeclaration.h"
+#include "CSSPrimitiveValue.h"
+#include "CSSProperty.h"
+#include "CSSPropertyNames.h"
+#include "CSSQuirkPrimitiveValue.h"
+#include "CSSRuleList.h"
+#include "CSSSelector.h"
+#include "CSSStyleRule.h"
+#include "CSSStyleSheet.h"
+#include "CSSValueKeywords.h"
+#include "CSSValueList.h"
+#include "Counter.h"
+#include "DashboardRegion.h"
+#include "Document.h"
+#include "FontFamilyValue.h"
+#include "FontValue.h"
+#include "KURL.h"
+#include "MediaList.h"
+#include "MediaQueryExp.h"
+#include "Pair.h"
+#include "ShadowValue.h"
+
+#define YYDEBUG 0
+
+#if YYDEBUG > 0
+extern int cssyydebug;
+#endif
+
+extern int cssyyparse(void* parser);
+
+using namespace std;
+using namespace WTF;
+
+namespace WebCore {
+
+ValueList::~ValueList()
+{
+ size_t numValues = m_values.size();
+ for (size_t i = 0; i < numValues; i++)
+ if (m_values[i].unit == Value::Function)
+ delete m_values[i].function;
+}
+
+namespace {
+ class ShorthandScope {
+ public:
+ ShorthandScope(CSSParser* parser, int propId) : m_parser(parser)
+ {
+ if (!(m_parser->m_inParseShorthand++))
+ m_parser->m_currentShorthand = propId;
+ }
+ ~ShorthandScope()
+ {
+ if (!(--m_parser->m_inParseShorthand))
+ m_parser->m_currentShorthand = 0;
+ }
+
+ private:
+ CSSParser* m_parser;
+ };
+}
+
+CSSParser* CSSParser::currentParser = 0;
+
+CSSParser::CSSParser(bool strictParsing)
+ : m_floatingMediaQuery(0)
+ , m_floatingMediaQueryExp(0)
+ , m_floatingMediaQueryExpList(0)
+{
+#ifdef CSS_DEBUG
+ kdDebug(6080) << "CSSParser::CSSParser this=" << this << endl;
+#endif
+ strict = strictParsing;
+
+ parsedProperties = (CSSProperty **)fastMalloc(32 * sizeof(CSSProperty *));
+ numParsedProperties = 0;
+ maxParsedProperties = 32;
+
+ data = 0;
+ valueList = 0;
+ id = 0;
+ important = false;
+ m_inParseShorthand = 0;
+ m_currentShorthand = 0;
+ m_implicitShorthand = false;
+
+ defaultNamespace = starAtom;
+
+ yy_start = 1;
+
+#if YYDEBUG > 0
+ cssyydebug = 1;
+#endif
+}
+
+CSSParser::~CSSParser()
+{
+ clearProperties();
+ fastFree(parsedProperties);
+
+ delete valueList;
+
+ fastFree(data);
+
+ if (m_floatingMediaQueryExpList) {
+ deleteAllValues(*m_floatingMediaQueryExpList);
+ delete m_floatingMediaQueryExpList;
+ }
+ delete m_floatingMediaQueryExp;
+ delete m_floatingMediaQuery;
+ deleteAllValues(m_floatingSelectors);
+ deleteAllValues(m_floatingValueLists);
+ deleteAllValues(m_floatingFunctions);
+}
+
+void ParseString::lower()
+{
+ // Fast case for all-ASCII.
+ UChar ored = 0;
+ for (int i = 0; i < length; i++)
+ ored |= characters[i];
+ if (ored & ~0x7F)
+ for (int i = 0; i < length; i++)
+ characters[i] = Unicode::toLower(characters[i]);
+ else
+ for (int i = 0; i < length; i++)
+ characters[i] = tolower(characters[i]);
+}
+
+void CSSParser::setupParser(const char* prefix, const String& string, const char* suffix)
+{
+ int length = string.length() + strlen(prefix) + strlen(suffix) + 2;
+
+ if (data)
+ fastFree(data);
+
+ data = static_cast<UChar*>(fastMalloc(length * sizeof(UChar)));
+ for (unsigned i = 0; i < strlen(prefix); i++)
+ data[i] = prefix[i];
+
+ memcpy(data + strlen(prefix), string.characters(), string.length() * sizeof(UChar));
+
+ unsigned start = strlen(prefix) + string.length();
+ unsigned end = start + strlen(suffix);
+ for (unsigned i = start; i < end; i++)
+ data[i] = suffix[i - start];
+
+ data[length - 1] = 0;
+ data[length - 2] = 0;
+
+ yy_hold_char = 0;
+ yyleng = 0;
+ yytext = yy_c_buf_p = data;
+ yy_hold_char = *yy_c_buf_p;
+}
+
+void CSSParser::parseSheet(CSSStyleSheet* sheet, const String& string)
+{
+ styleElement = sheet;
+ defaultNamespace = starAtom; // Reset the default namespace.
+
+ setupParser("", string, "");
+
+ CSSParser* old = currentParser;
+ currentParser = this;
+ cssyyparse(this);
+ currentParser = old;
+
+ rule = 0;
+}
+
+PassRefPtr<CSSRule> CSSParser::parseRule(CSSStyleSheet *sheet, const String &string)
+{
+ styleElement = sheet;
+
+ setupParser("@-webkit-rule{", string, "} ");
+
+ CSSParser* old = currentParser;
+ currentParser = this;
+ cssyyparse(this);
+ currentParser = old;
+
+ return rule.release();
+}
+
+bool CSSParser::parseValue(CSSMutableStyleDeclaration *declaration, int _id, const String &string, bool _important)
+{
+ styleElement = declaration->stylesheet();
+
+ setupParser("@-webkit-value{", string, "} ");
+
+ id = _id;
+ important = _important;
+
+ CSSParser* old = currentParser;
+ currentParser = this;
+ cssyyparse(this);
+ currentParser = old;
+
+ rule = 0;
+
+ bool ok = false;
+ if (numParsedProperties) {
+ ok = true;
+ declaration->addParsedProperties(parsedProperties, numParsedProperties);
+ clearProperties();
+ }
+
+ return ok;
+}
+
+RGBA32 CSSParser::parseColor(const String &string, bool strict)
+{
+ RGBA32 color = 0;
+ RefPtr<CSSMutableStyleDeclaration>dummyStyleDeclaration = new CSSMutableStyleDeclaration;
+
+ CSSParser parser(true);
+
+ // First try creating a color specified by name or the "#" syntax.
+ if (!parser.parseColor(string, color, strict)) {
+
+ // Now try to create a color from the rgb() or rgba() syntax.
+ if (parser.parseColor(dummyStyleDeclaration.get(), string)) {
+ CSSValue* value = parser.parsedProperties[0]->value();
+ if (value->cssValueType() == CSSValue::CSS_PRIMITIVE_VALUE) {
+ CSSPrimitiveValue *primitiveValue = static_cast<CSSPrimitiveValue *>(value);
+ color = primitiveValue->getRGBColorValue();
+ }
+ }
+ }
+
+ return color;
+}
+
+bool CSSParser::parseColor(CSSMutableStyleDeclaration *declaration, const String &string)
+{
+ styleElement = declaration->stylesheet();
+
+ setupParser("@-webkit-decls{color:", string, "} ");
+
+ CSSParser* old = currentParser;
+ currentParser = this;
+ cssyyparse(this);
+ currentParser = old;
+
+ rule = 0;
+
+ bool ok = false;
+ if (numParsedProperties && parsedProperties[0]->m_id == CSS_PROP_COLOR)
+ ok = true;
+
+ return ok;
+}
+
+bool CSSParser::parseDeclaration(CSSMutableStyleDeclaration *declaration, const String &string)
+{
+ styleElement = declaration->stylesheet();
+
+ setupParser("@-webkit-decls{", string, "} ");
+
+ CSSParser* old = currentParser;
+ currentParser = this;
+ cssyyparse(this);
+ currentParser = old;
+
+ rule = 0;
+
+ bool ok = false;
+ if (numParsedProperties) {
+ ok = true;
+ declaration->addParsedProperties(parsedProperties, numParsedProperties);
+ clearProperties();
+ }
+
+ return ok;
+}
+
+bool CSSParser::parseMediaQuery(MediaList* queries, const String& string)
+{
+ if (string.isEmpty() || string.isNull()) {
+ return true;
+ }
+
+ mediaQuery = 0;
+ // can't use { because tokenizer state switches from mediaquery to initial state when it sees { token.
+ // instead insert one " " (which is WHITESPACE in CSSGrammar.y)
+ setupParser ("@-webkit-mediaquery ", string, "} ");
+
+ CSSParser* old = currentParser;
+ currentParser = this;
+ cssyyparse(this);
+ currentParser = old;
+
+ bool ok = false;
+ if (mediaQuery) {
+ ok = true;
+ queries->appendMediaQuery(mediaQuery);
+ mediaQuery = 0;
+ }
+
+ return ok;
+}
+
+
+void CSSParser::addProperty(int propId, PassRefPtr<CSSValue> value, bool important)
+{
+ CSSProperty *prop = new CSSProperty(propId, value, important, m_currentShorthand, m_implicitShorthand);
+ if (numParsedProperties >= maxParsedProperties) {
+ maxParsedProperties += 32;
+ parsedProperties = (CSSProperty **)fastRealloc(parsedProperties,
+ maxParsedProperties*sizeof(CSSProperty *));
+ }
+ parsedProperties[numParsedProperties++] = prop;
+}
+
+void CSSParser::rollbackLastProperties(int num)
+{
+ ASSERT(num >= 0);
+ ASSERT(numParsedProperties >= num);
+
+ for (int i = 0; i < num; ++i)
+ delete parsedProperties[--numParsedProperties];
+}
+
+void CSSParser::clearProperties()
+{
+ for (int i = 0; i < numParsedProperties; i++)
+ delete parsedProperties[i];
+ numParsedProperties = 0;
+}
+
+Document *CSSParser::document() const
+{
+ StyleBase *root = styleElement;
+ Document *doc = 0;
+ while (root->parent())
+ root = root->parent();
+ if (root->isCSSStyleSheet())
+ doc = static_cast<CSSStyleSheet*>(root)->doc();
+ return doc;
+}
+
+bool CSSParser::validUnit(Value* value, Units unitflags, bool strict)
+{
+ if (unitflags & FNonNeg && value->fValue < 0)
+ return false;
+
+ bool b = false;
+ switch(value->unit) {
+ case CSSPrimitiveValue::CSS_NUMBER:
+ b = (unitflags & FNumber);
+ if (!b && ((unitflags & FLength) && (value->fValue == 0 || !strict))) {
+ value->unit = CSSPrimitiveValue::CSS_PX;
+ b = true;
+ }
+ if (!b && (unitflags & FInteger) && value->isInt)
+ b = true;
+ break;
+ case CSSPrimitiveValue::CSS_PERCENTAGE:
+ b = (unitflags & FPercent);
+ break;
+ case Value::Q_EMS:
+ case CSSPrimitiveValue::CSS_EMS:
+ case CSSPrimitiveValue::CSS_EXS:
+ case CSSPrimitiveValue::CSS_PX:
+ case CSSPrimitiveValue::CSS_CM:
+ case CSSPrimitiveValue::CSS_MM:
+ case CSSPrimitiveValue::CSS_IN:
+ case CSSPrimitiveValue::CSS_PT:
+ case CSSPrimitiveValue::CSS_PC:
+ b = (unitflags & FLength);
+ break;
+ case CSSPrimitiveValue::CSS_MS:
+ case CSSPrimitiveValue::CSS_S:
+ b = (unitflags & FTime);
+ break;
+ case CSSPrimitiveValue::CSS_DEG:
+ case CSSPrimitiveValue::CSS_RAD:
+ case CSSPrimitiveValue::CSS_GRAD:
+ case CSSPrimitiveValue::CSS_HZ:
+ case CSSPrimitiveValue::CSS_KHZ:
+ case CSSPrimitiveValue::CSS_DIMENSION:
+ default:
+ break;
+ }
+ return b;
+}
+
+static int unitFromString(Value* value)
+{
+ if (value->unit != CSSPrimitiveValue::CSS_IDENT || value->id)
+ return 0;
+
+ String str = domString(value->string);
+ if (str == "em")
+ return CSSPrimitiveValue::CSS_EMS;
+ if (str == "ex")
+ return CSSPrimitiveValue::CSS_EXS;
+ if (str == "px")
+ return CSSPrimitiveValue::CSS_PX;
+ if (str == "cm")
+ return CSSPrimitiveValue::CSS_CM;
+ if (str == "mm")
+ return CSSPrimitiveValue::CSS_MM;
+ if (str == "in")
+ return CSSPrimitiveValue::CSS_IN;
+ if (str == "pt")
+ return CSSPrimitiveValue::CSS_PT;
+ if (str == "pc")
+ return CSSPrimitiveValue::CSS_PC;
+ if (str == "deg")
+ return CSSPrimitiveValue::CSS_DEG;
+ if (str == "rad")
+ return CSSPrimitiveValue::CSS_RAD;
+ if (str == "grad")
+ return CSSPrimitiveValue::CSS_GRAD;
+ if (str == "ms")
+ return CSSPrimitiveValue::CSS_MS;
+ if (str == "s")
+ return CSSPrimitiveValue::CSS_S;
+ if (str == "Hz")
+ return CSSPrimitiveValue::CSS_HZ;
+ if (str == "kHz")
+ return CSSPrimitiveValue::CSS_KHZ;
+
+ return 0;
+}
+
+void CSSParser::checkForOrphanedUnits()
+{
+ if (strict || inShorthand())
+ return;
+
+ // The purpose of this code is to implement the WinIE quirk that allows unit types to be separated from their numeric values
+ // by whitespace, so e.g., width: 20 px instead of width:20px. This is invalid CSS, so we don't do this in strict mode.
+ Value* numericVal = 0;
+ unsigned size = valueList->size();
+ for (unsigned i = 0; i < size; i++) {
+ Value* value = valueList->valueAt(i);
+ if (numericVal) {
+ // Change the unit type of the numeric val to match.
+ int unit = unitFromString(value);
+ if (unit) {
+ numericVal->unit = unit;
+ numericVal = 0;
+
+ // Now delete the bogus unit value.
+ valueList->deleteValueAt(i);
+ i--; // We're safe even though |i| is unsigned, since we only hit this code if we had a previous numeric value (so |i| is always > 0 here).
+ size--;
+ continue;
+ }
+ }
+
+ numericVal = (value->unit == CSSPrimitiveValue::CSS_NUMBER) ? value : 0;
+ }
+}
+
+bool CSSParser::parseValue(int propId, bool important)
+{
+ if (!valueList)
+ return false;
+
+ Value *value = valueList->current();
+
+ if (!value)
+ return false;
+
+ int id = value->id;
+
+ int num = inShorthand() ? 1 : valueList->size();
+
+ if (id == CSS_VAL_INHERIT) {
+ if (num != 1)
+ return false;
+ addProperty(propId, new CSSInheritedValue(), important);
+ return true;
+ }
+ else if (id == CSS_VAL_INITIAL) {
+ if (num != 1)
+ return false;
+ addProperty(propId, new CSSInitialValue(false), important);
+ return true;
+ }
+
+ bool valid_primitive = false;
+ CSSValue *parsedValue = 0;
+
+ // In quirks mode, we will look for units that have been incorrectly separated from the number they belong to
+ // by a space. We go ahead and associate the unit with the number even though it is invalid CSS.
+ checkForOrphanedUnits();
+
+ switch (static_cast<CSSPropertyID>(propId)) {
+ /* The comment to the left defines all valid value of this properties as defined
+ * in CSS 2, Appendix F. Property index
+ */
+
+ /* All the CSS properties are not supported by the renderer at the moment.
+ * Note that all the CSS2 Aural properties are only checked, if CSS_AURAL is defined
+ * (see parseAuralValues). As we don't support them at all this seems reasonable.
+ */
+
+ case CSS_PROP_SIZE: // <length>{1,2} | auto | portrait | landscape | inherit
+ case CSS_PROP_QUOTES: // [<string> <string>]+ | none | inherit
+ if (id)
+ valid_primitive = true;
+ break;
+ case CSS_PROP_UNICODE_BIDI: // normal | embed | bidi-override | inherit
+ if (id == CSS_VAL_NORMAL ||
+ id == CSS_VAL_EMBED ||
+ id == CSS_VAL_BIDI_OVERRIDE)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_POSITION: // static | relative | absolute | fixed | inherit
+ if (id == CSS_VAL_STATIC ||
+ id == CSS_VAL_RELATIVE ||
+ id == CSS_VAL_ABSOLUTE ||
+ id == CSS_VAL_FIXED)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_PAGE_BREAK_AFTER: // auto | always | avoid | left | right | inherit
+ case CSS_PROP_PAGE_BREAK_BEFORE:
+ case CSS_PROP__WEBKIT_COLUMN_BREAK_AFTER:
+ case CSS_PROP__WEBKIT_COLUMN_BREAK_BEFORE:
+ if (id == CSS_VAL_AUTO ||
+ id == CSS_VAL_ALWAYS ||
+ id == CSS_VAL_AVOID ||
+ id == CSS_VAL_LEFT ||
+ id == CSS_VAL_RIGHT)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_PAGE_BREAK_INSIDE: // avoid | auto | inherit
+ case CSS_PROP__WEBKIT_COLUMN_BREAK_INSIDE:
+ if (id == CSS_VAL_AUTO || id == CSS_VAL_AVOID)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_EMPTY_CELLS: // show | hide | inherit
+ if (id == CSS_VAL_SHOW ||
+ id == CSS_VAL_HIDE)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_CONTENT: // [ <string> | <uri> | <counter> | attr(X) | open-quote |
+ // close-quote | no-open-quote | no-close-quote ]+ | inherit
+ return parseContent(propId, important);
+ break;
+
+ case CSS_PROP_WHITE_SPACE: // normal | pre | nowrap | inherit
+ if (id == CSS_VAL_NORMAL ||
+ id == CSS_VAL_PRE ||
+ id == CSS_VAL_PRE_WRAP ||
+ id == CSS_VAL_PRE_LINE ||
+ id == CSS_VAL_NOWRAP)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_CLIP: // <shape> | auto | inherit
+ if (id == CSS_VAL_AUTO)
+ valid_primitive = true;
+ else if (value->unit == Value::Function)
+ return parseShape(propId, important);
+ break;
+
+ /* Start of supported CSS properties with validation. This is needed for parseShorthand to work
+ * correctly and allows optimization in WebCore::applyRule(..)
+ */
+ case CSS_PROP_CAPTION_SIDE: // top | bottom | left | right | inherit
+ if (id == CSS_VAL_LEFT || id == CSS_VAL_RIGHT ||
+ id == CSS_VAL_TOP || id == CSS_VAL_BOTTOM)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_BORDER_COLLAPSE: // collapse | separate | inherit
+ if (id == CSS_VAL_COLLAPSE || id == CSS_VAL_SEPARATE)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_VISIBILITY: // visible | hidden | collapse | inherit
+ if (id == CSS_VAL_VISIBLE || id == CSS_VAL_HIDDEN || id == CSS_VAL_COLLAPSE)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_OVERFLOW: {
+ ShorthandScope scope(this, propId);
+ if (num != 1 || !parseValue(CSS_PROP_OVERFLOW_X, important))
+ return false;
+ CSSValue* value = parsedProperties[numParsedProperties - 1]->value();
+ addProperty(CSS_PROP_OVERFLOW_Y, value, important);
+ return true;
+ }
+ case CSS_PROP_OVERFLOW_X:
+ case CSS_PROP_OVERFLOW_Y: // visible | hidden | scroll | auto | marquee | overlay | inherit
+ if (id == CSS_VAL_VISIBLE || id == CSS_VAL_HIDDEN || id == CSS_VAL_SCROLL || id == CSS_VAL_AUTO ||
+ id == CSS_VAL_OVERLAY || id == CSS_VAL__WEBKIT_MARQUEE)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_LIST_STYLE_POSITION: // inside | outside | inherit
+ if (id == CSS_VAL_INSIDE || id == CSS_VAL_OUTSIDE)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_LIST_STYLE_TYPE:
+ // disc | circle | square | decimal | decimal-leading-zero | lower-roman |
+ // upper-roman | lower-greek | lower-alpha | lower-latin | upper-alpha |
+ // upper-latin | hebrew | armenian | georgian | cjk-ideographic | hiragana |
+ // katakana | hiragana-iroha | katakana-iroha | none | inherit
+ if ((id >= CSS_VAL_DISC && id <= CSS_VAL_KATAKANA_IROHA) || id == CSS_VAL_NONE)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_DISPLAY:
+ // inline | block | list-item | run-in | inline-block | table |
+ // inline-table | table-row-group | table-header-group | table-footer-group | table-row |
+ // table-column-group | table-column | table-cell | table-caption | box | inline-box | none | inherit
+ if ((id >= CSS_VAL_INLINE && id <= CSS_VAL__WEBKIT_INLINE_BOX) || id == CSS_VAL_NONE)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_DIRECTION: // ltr | rtl | inherit
+ if (id == CSS_VAL_LTR || id == CSS_VAL_RTL)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_TEXT_TRANSFORM: // capitalize | uppercase | lowercase | none | inherit
+ if ((id >= CSS_VAL_CAPITALIZE && id <= CSS_VAL_LOWERCASE) || id == CSS_VAL_NONE)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_FLOAT: // left | right | none | inherit + center for buggy CSS
+ if (id == CSS_VAL_LEFT || id == CSS_VAL_RIGHT ||
+ id == CSS_VAL_NONE || id == CSS_VAL_CENTER)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_CLEAR: // none | left | right | both | inherit
+ if (id == CSS_VAL_NONE || id == CSS_VAL_LEFT ||
+ id == CSS_VAL_RIGHT|| id == CSS_VAL_BOTH)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_TEXT_ALIGN:
+ // left | right | center | justify | webkit_left | webkit_right | webkit_center | <string> | inherit
+ if ((id >= CSS_VAL__WEBKIT_AUTO && id <= CSS_VAL__WEBKIT_CENTER) ||
+ value->unit == CSSPrimitiveValue::CSS_STRING)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_OUTLINE_STYLE: // <border-style> | auto | inherit
+ if (id == CSS_VAL_AUTO) {
+ valid_primitive = true;
+ break;
+ } // Fall through!
+ case CSS_PROP_BORDER_TOP_STYLE: //// <border-style> | inherit
+ case CSS_PROP_BORDER_RIGHT_STYLE: // Defined as: none | hidden | dotted | dashed |
+ case CSS_PROP_BORDER_BOTTOM_STYLE: // solid | double | groove | ridge | inset | outset
+ case CSS_PROP_BORDER_LEFT_STYLE:
+ case CSS_PROP__WEBKIT_COLUMN_RULE_STYLE:
+ if (id >= CSS_VAL_NONE && id <= CSS_VAL_DOUBLE)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_FONT_WEIGHT: // normal | bold | bolder | lighter | 100 | 200 | 300 | 400 |
+ // 500 | 600 | 700 | 800 | 900 | inherit
+ if (id >= CSS_VAL_NORMAL && id <= CSS_VAL_900) {
+ // Allready correct id
+ valid_primitive = true;
+ } else if (validUnit(value, FInteger|FNonNeg, false)) {
+ int weight = (int)value->fValue;
+ if ((weight % 100))
+ break;
+ weight /= 100;
+ if (weight >= 1 && weight <= 9) {
+ id = CSS_VAL_100 + weight - 1;
+ valid_primitive = true;
+ }
+ }
+ break;
+
+ case CSS_PROP_BORDER_SPACING: {
+ const int properties[2] = { CSS_PROP__WEBKIT_BORDER_HORIZONTAL_SPACING,
+ CSS_PROP__WEBKIT_BORDER_VERTICAL_SPACING };
+ if (num == 1) {
+ ShorthandScope scope(this, CSS_PROP_BORDER_SPACING);
+ if (!parseValue(properties[0], important))
+ return false;
+ CSSValue* value = parsedProperties[numParsedProperties-1]->value();
+ addProperty(properties[1], value, important);
+ return true;
+ }
+ else if (num == 2) {
+ ShorthandScope scope(this, CSS_PROP_BORDER_SPACING);
+ if (!parseValue(properties[0], important) || !parseValue(properties[1], important))
+ return false;
+ return true;
+ }
+ return false;
+ }
+ case CSS_PROP__WEBKIT_BORDER_HORIZONTAL_SPACING:
+ case CSS_PROP__WEBKIT_BORDER_VERTICAL_SPACING:
+ valid_primitive = validUnit(value, FLength|FNonNeg, strict);
+ break;
+ case CSS_PROP_SCROLLBAR_FACE_COLOR: // IE5.5
+ case CSS_PROP_SCROLLBAR_SHADOW_COLOR: // IE5.5
+ case CSS_PROP_SCROLLBAR_HIGHLIGHT_COLOR: // IE5.5
+ case CSS_PROP_SCROLLBAR_3DLIGHT_COLOR: // IE5.5
+ case CSS_PROP_SCROLLBAR_DARKSHADOW_COLOR: // IE5.5
+ case CSS_PROP_SCROLLBAR_TRACK_COLOR: // IE5.5
+ case CSS_PROP_SCROLLBAR_ARROW_COLOR: // IE5.5
+ if (strict)
+ break;
+ /* nobreak */
+ case CSS_PROP_OUTLINE_COLOR: // <color> | invert | inherit
+ // Outline color has "invert" as additional keyword.
+ // Also, we want to allow the special focus color even in strict parsing mode.
+ if (propId == CSS_PROP_OUTLINE_COLOR && (id == CSS_VAL_INVERT || id == CSS_VAL__WEBKIT_FOCUS_RING_COLOR)) {
+ valid_primitive = true;
+ break;
+ }
+ /* nobreak */
+ case CSS_PROP_BACKGROUND_COLOR: // <color> | inherit
+ case CSS_PROP_BORDER_TOP_COLOR: // <color> | inherit
+ case CSS_PROP_BORDER_RIGHT_COLOR: // <color> | inherit
+ case CSS_PROP_BORDER_BOTTOM_COLOR: // <color> | inherit
+ case CSS_PROP_BORDER_LEFT_COLOR: // <color> | inherit
+ case CSS_PROP_COLOR: // <color> | inherit
+ case CSS_PROP_TEXT_LINE_THROUGH_COLOR: // CSS3 text decoration colors
+ case CSS_PROP_TEXT_UNDERLINE_COLOR:
+ case CSS_PROP_TEXT_OVERLINE_COLOR:
+ case CSS_PROP__WEBKIT_COLUMN_RULE_COLOR:
+ case CSS_PROP__WEBKIT_TEXT_FILL_COLOR:
+ case CSS_PROP__WEBKIT_TEXT_STROKE_COLOR:
+ if (id == CSS_VAL__WEBKIT_TEXT)
+ valid_primitive = true; // Always allow this, even when strict parsing is on,
+ // since we use this in our UA sheets.
+ else if (id >= CSS_VAL_AQUA && id <= CSS_VAL_WINDOWTEXT || id == CSS_VAL_MENU ||
+ (id >= CSS_VAL__WEBKIT_FOCUS_RING_COLOR && id < CSS_VAL__WEBKIT_TEXT && !strict)) {
+ valid_primitive = true;
+ } else {
+ parsedValue = parseColor();
+ if (parsedValue)
+ valueList->next();
+ }
+ break;
+
+ case CSS_PROP_CURSOR: {
+ // [<uri>,]* [ auto | crosshair | default | pointer | progress | move | e-resize | ne-resize |
+ // nw-resize | n-resize | se-resize | sw-resize | s-resize | w-resize | ew-resize |
+ // ns-resize | nesw-resize | nwse-resize | col-resize | row-resize | text | wait | help ] ] | inherit
+ CSSValueList* list = 0;
+ while (value && value->unit == CSSPrimitiveValue::CSS_URI) {
+ if (!list)
+ list = new CSSValueList;
+ String uri = parseURL(domString(value->string));
+ Vector<int> coords;
+ value = valueList->next();
+ while (value && value->unit == CSSPrimitiveValue::CSS_NUMBER) {
+ coords.append(int(value->fValue));
+ value = valueList->next();
+ }
+ IntPoint hotspot;
+ int nrcoords = coords.size();
+ if (nrcoords > 0 && nrcoords != 2) {
+ if (strict) { // only support hotspot pairs in strict mode
+ delete list;
+ return false;
+ }
+ } else if(strict && nrcoords == 2)
+ hotspot = IntPoint(coords[0], coords[1]);
+ if (strict || coords.size() == 0) {
+#if ENABLE(SVG)
+ if (uri.startsWith("#"))
+ list->append(new CSSPrimitiveValue(uri, CSSPrimitiveValue::CSS_URI));
+ else
+#endif
+ if (!uri.isEmpty()) {
+ list->append(new CSSCursorImageValue(
+ String(KURL(styleElement->baseURL().deprecatedString(), uri.deprecatedString()).url()),
+ hotspot, styleElement));
+ }
+ }
+ if ((strict && !value) || (value && !(value->unit == Value::Operator && value->iValue == ','))) {
+ delete list;
+ return false;
+ }
+ value = valueList->next(); // comma
+ }
+ if (list) {
+ if (!value) { // no value after url list (MSIE 5 compatibility)
+ if (list->length() != 1) {
+ delete list;
+ return false;
+ }
+ } else if (!strict && value->id == CSS_VAL_HAND) // MSIE 5 compatibility :/
+ list->append(new CSSPrimitiveValue(CSS_VAL_POINTER));
+ else if (value && ((value->id >= CSS_VAL_AUTO && value->id <= CSS_VAL_ALL_SCROLL) || value->id == CSS_VAL_COPY || value->id == CSS_VAL_NONE))
+ list->append(new CSSPrimitiveValue(value->id));
+ valueList->next();
+ parsedValue = list;
+ break;
+ }
+ id = value->id;
+ if (!strict && value->id == CSS_VAL_HAND) { // MSIE 5 compatibility :/
+ id = CSS_VAL_POINTER;
+ valid_primitive = true;
+ } else if ((value->id >= CSS_VAL_AUTO && value->id <= CSS_VAL_ALL_SCROLL) || value->id == CSS_VAL_COPY || value->id == CSS_VAL_NONE)
+ valid_primitive = true;
+ break;
+ }
+
+ case CSS_PROP_BACKGROUND_ATTACHMENT:
+ case CSS_PROP__WEBKIT_BACKGROUND_CLIP:
+ case CSS_PROP__WEBKIT_BACKGROUND_COMPOSITE:
+ case CSS_PROP_BACKGROUND_IMAGE:
+ case CSS_PROP__WEBKIT_BACKGROUND_ORIGIN:
+ case CSS_PROP_BACKGROUND_POSITION:
+ case CSS_PROP_BACKGROUND_POSITION_X:
+ case CSS_PROP_BACKGROUND_POSITION_Y:
+ case CSS_PROP__WEBKIT_BACKGROUND_SIZE:
+ case CSS_PROP_BACKGROUND_REPEAT: {
+ CSSValue *val1 = 0, *val2 = 0;
+ int propId1, propId2;
+ if (parseBackgroundProperty(propId, propId1, propId2, val1, val2)) {
+ addProperty(propId1, val1, important);
+ if (val2)
+ addProperty(propId2, val2, important);
+ return true;
+ }
+ return false;
+ }
+ case CSS_PROP_LIST_STYLE_IMAGE: // <uri> | none | inherit
+ if (id == CSS_VAL_NONE) {
+ parsedValue = new CSSImageValue();
+ valueList->next();
+ }
+ else if (value->unit == CSSPrimitiveValue::CSS_URI) {
+ // ### allow string in non strict mode?
+ String uri = parseURL(domString(value->string));
+ if (!uri.isEmpty()) {
+ parsedValue = new CSSImageValue(
+ String(KURL(styleElement->baseURL().deprecatedString(), uri.deprecatedString()).url()),
+ styleElement);
+ valueList->next();
+ }
+ }
+ break;
+
+ case CSS_PROP__WEBKIT_TEXT_STROKE_WIDTH:
+ case CSS_PROP_OUTLINE_WIDTH: // <border-width> | inherit
+ case CSS_PROP_BORDER_TOP_WIDTH: //// <border-width> | inherit
+ case CSS_PROP_BORDER_RIGHT_WIDTH: // Which is defined as
+ case CSS_PROP_BORDER_BOTTOM_WIDTH: // thin | medium | thick | <length>
+ case CSS_PROP_BORDER_LEFT_WIDTH:
+ case CSS_PROP__WEBKIT_COLUMN_RULE_WIDTH:
+ if (id == CSS_VAL_THIN || id == CSS_VAL_MEDIUM || id == CSS_VAL_THICK)
+ valid_primitive = true;
+ else
+ valid_primitive = validUnit(value, FLength, strict);
+ break;
+
+ case CSS_PROP_LETTER_SPACING: // normal | <length> | inherit
+ case CSS_PROP_WORD_SPACING: // normal | <length> | inherit
+ if (id == CSS_VAL_NORMAL)
+ valid_primitive = true;
+ else
+ valid_primitive = validUnit(value, FLength, strict);
+ break;
+
+ case CSS_PROP_WORD_BREAK: // normal | break-all | break-word (this is a custom extension)
+ if (id == CSS_VAL_NORMAL || id == CSS_VAL_BREAK_ALL || id == CSS_VAL_BREAK_WORD)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_WORD_WRAP: // normal | break-word
+ if (id == CSS_VAL_NORMAL || id == CSS_VAL_BREAK_WORD)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_TEXT_INDENT: // <length> | <percentage> | inherit
+ case CSS_PROP_PADDING_TOP: //// <padding-width> | inherit
+ case CSS_PROP_PADDING_RIGHT: // Which is defined as
+ case CSS_PROP_PADDING_BOTTOM: // <length> | <percentage>
+ case CSS_PROP_PADDING_LEFT: ////
+ case CSS_PROP__WEBKIT_PADDING_START:
+ valid_primitive = (!id && validUnit(value, FLength|FPercent, strict));
+ break;
+
+ case CSS_PROP_MAX_HEIGHT: // <length> | <percentage> | none | inherit
+ case CSS_PROP_MAX_WIDTH: // <length> | <percentage> | none | inherit
+ if (id == CSS_VAL_NONE || id == CSS_VAL_INTRINSIC || id == CSS_VAL_MIN_INTRINSIC) {
+ valid_primitive = true;
+ break;
+ }
+ /* nobreak */
+ case CSS_PROP_MIN_HEIGHT: // <length> | <percentage> | inherit
+ case CSS_PROP_MIN_WIDTH: // <length> | <percentage> | inherit
+ if (id == CSS_VAL_INTRINSIC || id == CSS_VAL_MIN_INTRINSIC)
+ valid_primitive = true;
+ else
+ valid_primitive = (!id && validUnit(value, FLength|FPercent|FNonNeg, strict));
+ break;
+
+ case CSS_PROP_FONT_SIZE:
+ // <absolute-size> | <relative-size> | <length> | <percentage> | inherit
+ if (id >= CSS_VAL_XX_SMALL && id <= CSS_VAL_LARGER)
+ valid_primitive = true;
+ else
+ valid_primitive = (validUnit(value, FLength|FPercent, strict));
+ break;
+
+ case CSS_PROP_FONT_STYLE: // normal | italic | oblique | inherit
+ if (id == CSS_VAL_NORMAL || id == CSS_VAL_ITALIC || id == CSS_VAL_OBLIQUE)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_FONT_VARIANT: // normal | small-caps | inherit
+ if (id == CSS_VAL_NORMAL || id == CSS_VAL_SMALL_CAPS)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP_VERTICAL_ALIGN:
+ // baseline | sub | super | top | text-top | middle | bottom | text-bottom |
+ // <percentage> | <length> | inherit
+
+ if (id >= CSS_VAL_BASELINE && id <= CSS_VAL__WEBKIT_BASELINE_MIDDLE)
+ valid_primitive = true;
+ else
+ valid_primitive = (!id && validUnit(value, FLength|FPercent, strict));
+ break;
+
+ case CSS_PROP_HEIGHT: // <length> | <percentage> | auto | inherit
+ case CSS_PROP_WIDTH: // <length> | <percentage> | auto | inherit
+ if (id == CSS_VAL_AUTO || id == CSS_VAL_INTRINSIC || id == CSS_VAL_MIN_INTRINSIC)
+ valid_primitive = true;
+ else
+ // ### handle multilength case where we allow relative units
+ valid_primitive = (!id && validUnit(value, FLength|FPercent|FNonNeg, strict));
+ break;
+
+ case CSS_PROP_BOTTOM: // <length> | <percentage> | auto | inherit
+ case CSS_PROP_LEFT: // <length> | <percentage> | auto | inherit
+ case CSS_PROP_RIGHT: // <length> | <percentage> | auto | inherit
+ case CSS_PROP_TOP: // <length> | <percentage> | auto | inherit
+ case CSS_PROP_MARGIN_TOP: //// <margin-width> | inherit
+ case CSS_PROP_MARGIN_RIGHT: // Which is defined as
+ case CSS_PROP_MARGIN_BOTTOM: // <length> | <percentage> | auto | inherit
+ case CSS_PROP_MARGIN_LEFT: ////
+ case CSS_PROP__WEBKIT_MARGIN_START:
+ if (id == CSS_VAL_AUTO)
+ valid_primitive = true;
+ else
+ valid_primitive = (!id && validUnit(value, FLength|FPercent, strict));
+ break;
+
+ case CSS_PROP_Z_INDEX: // auto | <integer> | inherit
+ if (id == CSS_VAL_AUTO) {
+ valid_primitive = true;
+ break;
+ }
+ /* nobreak */
+ case CSS_PROP_ORPHANS: // <integer> | inherit
+ case CSS_PROP_WIDOWS: // <integer> | inherit
+ // ### not supported later on
+ valid_primitive = (!id && validUnit(value, FInteger, false));
+ break;
+
+ case CSS_PROP_LINE_HEIGHT: // normal | <number> | <length> | <percentage> | inherit
+ if (id == CSS_VAL_NORMAL)
+ valid_primitive = true;
+ else
+ valid_primitive = (!id && validUnit(value, FNumber|FLength|FPercent, strict));
+ break;
+ case CSS_PROP_COUNTER_INCREMENT: // [ <identifier> <integer>? ]+ | none | inherit
+ if (id != CSS_VAL_NONE)
+ return parseCounter(propId, 1, important);
+ valid_primitive = true;
+ break;
+ case CSS_PROP_COUNTER_RESET: // [ <identifier> <integer>? ]+ | none | inherit
+ if (id != CSS_VAL_NONE)
+ return parseCounter(propId, 0, important);
+ valid_primitive = true;
+ break;
+ case CSS_PROP_FONT_FAMILY:
+ // [[ <family-name> | <generic-family> ],]* [<family-name> | <generic-family>] | inherit
+ {
+ parsedValue = parseFontFamily();
+ break;
+ }
+
+ case CSS_PROP_TEXT_DECORATION:
+ case CSS_PROP__WEBKIT_TEXT_DECORATIONS_IN_EFFECT:
+ // none | [ underline || overline || line-through || blink ] | inherit
+ if (id == CSS_VAL_NONE) {
+ valid_primitive = true;
+ } else {
+ CSSValueList *list = new CSSValueList;
+ bool is_valid = true;
+ while(is_valid && value) {
+ switch (value->id) {
+ case CSS_VAL_BLINK:
+ break;
+ case CSS_VAL_UNDERLINE:
+ case CSS_VAL_OVERLINE:
+ case CSS_VAL_LINE_THROUGH:
+ list->append(new CSSPrimitiveValue(value->id));
+ break;
+ default:
+ is_valid = false;
+ }
+ value = valueList->next();
+ }
+ if(list->length() && is_valid) {
+ parsedValue = list;
+ valueList->next();
+ } else
+ delete list;
+ }
+ break;
+
+ case CSS_PROP_TABLE_LAYOUT: // auto | fixed | inherit
+ if (id == CSS_VAL_AUTO || id == CSS_VAL_FIXED)
+ valid_primitive = true;
+ break;
+
+ /* CSS3 properties */
+ case CSS_PROP__WEBKIT_APPEARANCE:
+ if ((id >= CSS_VAL_CHECKBOX && id <= CSS_VAL_TEXTAREA) || id == CSS_VAL_NONE)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP__WEBKIT_BINDING:
+#if ENABLE(XBL)
+ if (id == CSS_VAL_NONE)
+ valid_primitive = true;
+ else {
+ CSSValueList* values = new CSSValueList();
+ Value* val;
+ CSSValue* parsedValue = 0;
+ while ((val = valueList->current())) {
+ if (val->unit == CSSPrimitiveValue::CSS_URI) {
+ String value = parseURL(domString(val->string));
+ parsedValue = new CSSPrimitiveValue(
+ String(KURL(styleElement->baseURL().deprecatedString(), value.deprecatedString()).url()),
+ CSSPrimitiveValue::CSS_URI);
+ }
+
+ if (parsedValue)
+ values->append(parsedValue);
+ else
+ break;
+ valueList->next();
+ }
+ if (values->length()) {
+ addProperty(propId, values, important);
+ valueList->next();
+ return true;
+ }
+ delete values;
+ return false;
+ }
+#endif
+ break;
+ case CSS_PROP__WEBKIT_BORDER_IMAGE:
+ if (id == CSS_VAL_NONE)
+ valid_primitive = true;
+ else
+ return parseBorderImage(propId, important);
+ break;
+ case CSS_PROP__WEBKIT_BORDER_TOP_RIGHT_RADIUS:
+ case CSS_PROP__WEBKIT_BORDER_TOP_LEFT_RADIUS:
+ case CSS_PROP__WEBKIT_BORDER_BOTTOM_LEFT_RADIUS:
+ case CSS_PROP__WEBKIT_BORDER_BOTTOM_RIGHT_RADIUS:
+ case CSS_PROP__WEBKIT_BORDER_RADIUS: {
+ if (num != 1 && num != 2)
+ return false;
+ valid_primitive = validUnit(value, FLength, strict);
+ if (!valid_primitive)
+ return false;
+ CSSPrimitiveValue* parsedValue1 = new CSSPrimitiveValue(value->fValue,
+ (CSSPrimitiveValue::UnitTypes)value->unit);
+ CSSPrimitiveValue* parsedValue2 = parsedValue1;
+ if (num == 2) {
+ value = valueList->next();
+ valid_primitive = validUnit(value, FLength, strict);
+ if (!valid_primitive) {
+ delete parsedValue1;
+ return false;
+ }
+ parsedValue2 = new CSSPrimitiveValue(value->fValue, (CSSPrimitiveValue::UnitTypes)value->unit);
+ }
+
+ Pair* pair = new Pair(parsedValue1, parsedValue2);
+ CSSPrimitiveValue* val = new CSSPrimitiveValue(pair);
+ if (propId == CSS_PROP__WEBKIT_BORDER_RADIUS) {
+ const int properties[4] = { CSS_PROP__WEBKIT_BORDER_TOP_RIGHT_RADIUS,
+ CSS_PROP__WEBKIT_BORDER_TOP_LEFT_RADIUS,
+ CSS_PROP__WEBKIT_BORDER_BOTTOM_LEFT_RADIUS,
+ CSS_PROP__WEBKIT_BORDER_BOTTOM_RIGHT_RADIUS };
+ for (int i = 0; i < 4; i++)
+ addProperty(properties[i], val, important);
+ } else
+ addProperty(propId, val, important);
+ return true;
+ }
+ case CSS_PROP_OUTLINE_OFFSET:
+ valid_primitive = validUnit(value, FLength, strict);
+ break;
+ case CSS_PROP_TEXT_SHADOW: // CSS2 property, dropped in CSS2.1, back in CSS3, so treat as CSS3
+ case CSS_PROP__WEBKIT_BOX_SHADOW:
+ if (id == CSS_VAL_NONE)
+ valid_primitive = true;
+ else
+ return parseShadow(propId, important);
+ break;
+ case CSS_PROP_OPACITY:
+ valid_primitive = validUnit(value, FNumber, strict);
+ break;
+ case CSS_PROP__WEBKIT_BOX_ALIGN:
+ if (id == CSS_VAL_STRETCH || id == CSS_VAL_START || id == CSS_VAL_END ||
+ id == CSS_VAL_CENTER || id == CSS_VAL_BASELINE)
+ valid_primitive = true;
+ break;
+ case CSS_PROP__WEBKIT_BOX_DIRECTION:
+ if (id == CSS_VAL_NORMAL || id == CSS_VAL_REVERSE)
+ valid_primitive = true;
+ break;
+ case CSS_PROP__WEBKIT_BOX_LINES:
+ if (id == CSS_VAL_SINGLE || id == CSS_VAL_MULTIPLE)
+ valid_primitive = true;
+ break;
+ case CSS_PROP__WEBKIT_BOX_ORIENT:
+ if (id == CSS_VAL_HORIZONTAL || id == CSS_VAL_VERTICAL ||
+ id == CSS_VAL_INLINE_AXIS || id == CSS_VAL_BLOCK_AXIS)
+ valid_primitive = true;
+ break;
+ case CSS_PROP__WEBKIT_BOX_PACK:
+ if (id == CSS_VAL_START || id == CSS_VAL_END ||
+ id == CSS_VAL_CENTER || id == CSS_VAL_JUSTIFY)
+ valid_primitive = true;
+ break;
+ case CSS_PROP__WEBKIT_BOX_FLEX:
+ valid_primitive = validUnit(value, FNumber, strict);
+ break;
+ case CSS_PROP__WEBKIT_BOX_FLEX_GROUP:
+ case CSS_PROP__WEBKIT_BOX_ORDINAL_GROUP:
+ valid_primitive = validUnit(value, FInteger|FNonNeg, true);
+ break;
+ case CSS_PROP__WEBKIT_BOX_SIZING:
+ valid_primitive = id == CSS_VAL_BORDER_BOX || id == CSS_VAL_CONTENT_BOX;
+ break;
+ case CSS_PROP__WEBKIT_MARQUEE: {
+ const int properties[5] = { CSS_PROP__WEBKIT_MARQUEE_DIRECTION, CSS_PROP__WEBKIT_MARQUEE_INCREMENT,
+ CSS_PROP__WEBKIT_MARQUEE_REPETITION,
+ CSS_PROP__WEBKIT_MARQUEE_STYLE, CSS_PROP__WEBKIT_MARQUEE_SPEED };
+ return parseShorthand(propId, properties, 5, important);
+ }
+#if PLATFORM(SYMBIAN)
+ case CSS_PROP__WAP_INPUT_FORMAT:
+ valid_primitive = true;
+ break;
+ case CSS_PROP__WAP_INPUT_REQUIRED:
+ if(id == CSS_VAL_TRUE || id == CSS_VAL_FALSE || id == CSS_VAL_AUTO)
+ valid_primitive = true;
+ break;
+ case CSS_PROP__WAP_MARQUEE_DIR:
+ if(id == CSS_VAL_LTR || id == CSS_VAL_RTL)
+ valid_primitive = true;
+ break;
+ case CSS_PROP__WAP_MARQUEE_STYLE:
+ if( id == CSS_VAL_SCROLL || id == CSS_VAL_SLIDE || id == CSS_VAL_ALTERNATE )
+ valid_primitive = true;
+ break;
+#endif
+ case CSS_PROP__WEBKIT_MARQUEE_DIRECTION:
+ if (id == CSS_VAL_FORWARDS || id == CSS_VAL_BACKWARDS || id == CSS_VAL_AHEAD ||
+ id == CSS_VAL_REVERSE || id == CSS_VAL_LEFT || id == CSS_VAL_RIGHT || id == CSS_VAL_DOWN ||
+ id == CSS_VAL_UP || id == CSS_VAL_AUTO)
+ valid_primitive = true;
+ break;
+ case CSS_PROP__WEBKIT_MARQUEE_INCREMENT:
+ if (id == CSS_VAL_SMALL || id == CSS_VAL_LARGE || id == CSS_VAL_MEDIUM)
+ valid_primitive = true;
+ else
+ valid_primitive = validUnit(value, FLength|FPercent, strict);
+ break;
+ case CSS_PROP__WEBKIT_MARQUEE_STYLE:
+ if (id == CSS_VAL_NONE || id == CSS_VAL_SLIDE || id == CSS_VAL_SCROLL || id == CSS_VAL_ALTERNATE)
+ valid_primitive = true;
+ break;
+#if PLATFORM(SYMBIAN)
+ case CSS_PROP__WAP_MARQUEE_LOOP:
+#endif
+ case CSS_PROP__WEBKIT_MARQUEE_REPETITION:
+ if (id == CSS_VAL_INFINITE)
+ valid_primitive = true;
+ else
+ valid_primitive = validUnit(value, FInteger|FNonNeg, strict);
+ break;
+#if PLATFORM(SYMBIAN)
+ case CSS_PROP__WAP_MARQUEE_SPEED:
+#endif
+ case CSS_PROP__WEBKIT_MARQUEE_SPEED:
+ if (id == CSS_VAL_NORMAL || id == CSS_VAL_SLOW || id == CSS_VAL_FAST)
+ valid_primitive = true;
+ else
+ valid_primitive = validUnit(value, FTime|FInteger|FNonNeg, strict);
+ break;
+ case CSS_PROP__WEBKIT_USER_DRAG: // auto | none | element
+ if (id == CSS_VAL_AUTO || id == CSS_VAL_NONE || id == CSS_VAL_ELEMENT)
+ valid_primitive = true;
+ break;
+ case CSS_PROP__WEBKIT_USER_MODIFY: // read-only | read-write
+ if (id == CSS_VAL_READ_ONLY || id == CSS_VAL_READ_WRITE || id == CSS_VAL_READ_WRITE_PLAINTEXT_ONLY)
+ valid_primitive = true;
+ break;
+ case CSS_PROP__WEBKIT_USER_SELECT: // auto | none | text
+ if (id == CSS_VAL_AUTO || id == CSS_VAL_NONE || id == CSS_VAL_TEXT)
+ valid_primitive = true;
+ break;
+ case CSS_PROP_TEXT_OVERFLOW: // clip | ellipsis
+ if (id == CSS_VAL_CLIP || id == CSS_VAL_ELLIPSIS)
+ valid_primitive = true;
+ break;
+ case CSS_PROP__WEBKIT_MARGIN_COLLAPSE: {
+ const int properties[2] = { CSS_PROP__WEBKIT_MARGIN_TOP_COLLAPSE,
+ CSS_PROP__WEBKIT_MARGIN_BOTTOM_COLLAPSE };
+ if (num == 1) {
+ ShorthandScope scope(this, CSS_PROP__WEBKIT_MARGIN_COLLAPSE);
+ if (!parseValue(properties[0], important))
+ return false;
+ CSSValue* value = parsedProperties[numParsedProperties-1]->value();
+ addProperty(properties[1], value, important);
+ return true;
+ }
+ else if (num == 2) {
+ ShorthandScope scope(this, CSS_PROP__WEBKIT_MARGIN_COLLAPSE);
+ if (!parseValue(properties[0], important) || !parseValue(properties[1], important))
+ return false;
+ return true;
+ }
+ return false;
+ }
+ case CSS_PROP__WEBKIT_MARGIN_TOP_COLLAPSE:
+ case CSS_PROP__WEBKIT_MARGIN_BOTTOM_COLLAPSE:
+ if (id == CSS_VAL_COLLAPSE || id == CSS_VAL_SEPARATE || id == CSS_VAL_DISCARD)
+ valid_primitive = true;
+ break;
+ case CSS_PROP_TEXT_LINE_THROUGH_MODE:
+ case CSS_PROP_TEXT_OVERLINE_MODE:
+ case CSS_PROP_TEXT_UNDERLINE_MODE:
+ if (id == CSS_VAL_CONTINUOUS || id == CSS_VAL_SKIP_WHITE_SPACE)
+ valid_primitive = true;
+ break;
+ case CSS_PROP_TEXT_LINE_THROUGH_STYLE:
+ case CSS_PROP_TEXT_OVERLINE_STYLE:
+ case CSS_PROP_TEXT_UNDERLINE_STYLE:
+ if (id == CSS_VAL_NONE || id == CSS_VAL_SOLID || id == CSS_VAL_DOUBLE ||
+ id == CSS_VAL_DASHED || id == CSS_VAL_DOT_DASH || id == CSS_VAL_DOT_DOT_DASH ||
+ id == CSS_VAL_WAVE)
+ valid_primitive = true;
+ break;
+ case CSS_PROP_TEXT_LINE_THROUGH_WIDTH:
+ case CSS_PROP_TEXT_OVERLINE_WIDTH:
+ case CSS_PROP_TEXT_UNDERLINE_WIDTH:
+ if (id == CSS_VAL_AUTO || id == CSS_VAL_NORMAL || id == CSS_VAL_THIN ||
+ id == CSS_VAL_MEDIUM || id == CSS_VAL_THICK)
+ valid_primitive = true;
+ else
+ valid_primitive = !id && validUnit(value, FNumber|FLength|FPercent, strict);
+ break;
+ case CSS_PROP_RESIZE: // none | both | horizontal | vertical | auto
+ if (id == CSS_VAL_NONE || id == CSS_VAL_BOTH || id == CSS_VAL_HORIZONTAL || id == CSS_VAL_VERTICAL || id == CSS_VAL_AUTO)
+ valid_primitive = true;
+ break;
+ case CSS_PROP__WEBKIT_COLUMN_COUNT:
+ if (id == CSS_VAL_AUTO)
+ valid_primitive = true;
+ else
+ valid_primitive = !id && validUnit(value, FInteger | FNonNeg, false);
+ break;
+ case CSS_PROP__WEBKIT_COLUMN_GAP: // normal | <length>
+ if (id == CSS_VAL_NORMAL)
+ valid_primitive = true;
+ else
+ valid_primitive = validUnit(value, FLength, strict);
+ break;
+ case CSS_PROP__WEBKIT_COLUMN_WIDTH: // auto | <length>
+ if (id == CSS_VAL_AUTO)
+ valid_primitive = true;
+ else // Always parse this property in strict mode, since it would be ambiguous otherwise when used in the 'columns' shorthand property.
+ valid_primitive = validUnit(value, FLength, true);
+ break;
+ // End of CSS3 properties
+
+ // Apple specific properties. These will never be standardized and are purely to
+ // support custom WebKit-based Apple applications.
+ case CSS_PROP__WEBKIT_LINE_CLAMP:
+ valid_primitive = (!id && validUnit(value, FPercent, false));
+ break;
+ case CSS_PROP__WEBKIT_TEXT_SIZE_ADJUST:
+ if (id == CSS_VAL_AUTO || id == CSS_VAL_NONE)
+ valid_primitive = true;
+ break;
+ case CSS_PROP__WEBKIT_RTL_ORDERING:
+ if (id == CSS_VAL_LOGICAL || id == CSS_VAL_VISUAL)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP__WEBKIT_FONT_SIZE_DELTA: // <length>
+ valid_primitive = validUnit(value, FLength, strict);
+ break;
+
+ case CSS_PROP__WEBKIT_NBSP_MODE: // normal | space
+ if (id == CSS_VAL_NORMAL || id == CSS_VAL_SPACE)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP__WEBKIT_LINE_BREAK: // normal | after-white-space
+ if (id == CSS_VAL_NORMAL || id == CSS_VAL_AFTER_WHITE_SPACE)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP__WEBKIT_MATCH_NEAREST_MAIL_BLOCKQUOTE_COLOR: // normal | match
+ if (id == CSS_VAL_NORMAL || id == CSS_VAL_MATCH)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP__WEBKIT_HIGHLIGHT:
+ if (id == CSS_VAL_NONE || value->unit == CSSPrimitiveValue::CSS_STRING)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP__WEBKIT_BORDER_FIT:
+ if (id == CSS_VAL_BORDER || id == CSS_VAL_LINES)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP__WEBKIT_TEXT_SECURITY:
+ // disc | circle | square | none | inherit
+ if (id == CSS_VAL_DISC || id == CSS_VAL_CIRCLE || id == CSS_VAL_SQUARE|| id == CSS_VAL_NONE)
+ valid_primitive = true;
+ break;
+
+ case CSS_PROP__WEBKIT_DASHBOARD_REGION: // <dashboard-region> | <dashboard-region>
+ if (value->unit == Value::Function || id == CSS_VAL_NONE)
+ return parseDashboardRegions(propId, important);
+ break;
+ // End Apple-specific properties
+
+ /* shorthand properties */
+ case CSS_PROP_BACKGROUND:
+ // ['background-color' || 'background-image' || 'background-size' || 'background-repeat' ||
+ // 'background-attachment' || 'background-position'] | inherit
+ return parseBackgroundShorthand(important);
+ case CSS_PROP_BORDER:
+ // [ 'border-width' || 'border-style' || <color> ] | inherit
+ {
+ const int properties[3] = { CSS_PROP_BORDER_WIDTH, CSS_PROP_BORDER_STYLE,
+ CSS_PROP_BORDER_COLOR };
+ return parseShorthand(propId, properties, 3, important);
+ }
+ case CSS_PROP_BORDER_TOP:
+ // [ 'border-top-width' || 'border-style' || <color> ] | inherit
+ {
+ const int properties[3] = { CSS_PROP_BORDER_TOP_WIDTH, CSS_PROP_BORDER_TOP_STYLE,
+ CSS_PROP_BORDER_TOP_COLOR};
+ return parseShorthand(propId, properties, 3, important);
+ }
+ case CSS_PROP_BORDER_RIGHT:
+ // [ 'border-right-width' || 'border-style' || <color> ] | inherit
+ {
+ const int properties[3] = { CSS_PROP_BORDER_RIGHT_WIDTH, CSS_PROP_BORDER_RIGHT_STYLE,
+ CSS_PROP_BORDER_RIGHT_COLOR };
+ return parseShorthand(propId, properties, 3, important);
+ }
+ case CSS_PROP_BORDER_BOTTOM:
+ // [ 'border-bottom-width' || 'border-style' || <color> ] | inherit
+ {
+ const int properties[3] = { CSS_PROP_BORDER_BOTTOM_WIDTH, CSS_PROP_BORDER_BOTTOM_STYLE,
+ CSS_PROP_BORDER_BOTTOM_COLOR };
+ return parseShorthand(propId, properties, 3, important);
+ }
+ case CSS_PROP_BORDER_LEFT:
+ // [ 'border-left-width' || 'border-style' || <color> ] | inherit
+ {
+ const int properties[3] = { CSS_PROP_BORDER_LEFT_WIDTH, CSS_PROP_BORDER_LEFT_STYLE,
+ CSS_PROP_BORDER_LEFT_COLOR };
+ return parseShorthand(propId, properties, 3, important);
+ }
+ case CSS_PROP_OUTLINE:
+ // [ 'outline-color' || 'outline-style' || 'outline-width' ] | inherit
+ {
+ const int properties[3] = { CSS_PROP_OUTLINE_WIDTH, CSS_PROP_OUTLINE_STYLE,
+ CSS_PROP_OUTLINE_COLOR };
+ return parseShorthand(propId, properties, 3, important);
+ }
+ case CSS_PROP_BORDER_COLOR:
+ // <color>{1,4} | inherit
+ {
+ const int properties[4] = { CSS_PROP_BORDER_TOP_COLOR, CSS_PROP_BORDER_RIGHT_COLOR,
+ CSS_PROP_BORDER_BOTTOM_COLOR, CSS_PROP_BORDER_LEFT_COLOR };
+ return parse4Values(propId, properties, important);
+ }
+ case CSS_PROP_BORDER_WIDTH:
+ // <border-width>{1,4} | inherit
+ {
+ const int properties[4] = { CSS_PROP_BORDER_TOP_WIDTH, CSS_PROP_BORDER_RIGHT_WIDTH,
+ CSS_PROP_BORDER_BOTTOM_WIDTH, CSS_PROP_BORDER_LEFT_WIDTH };
+ return parse4Values(propId, properties, important);
+ }
+ case CSS_PROP_BORDER_STYLE:
+ // <border-style>{1,4} | inherit
+ {
+ const int properties[4] = { CSS_PROP_BORDER_TOP_STYLE, CSS_PROP_BORDER_RIGHT_STYLE,
+ CSS_PROP_BORDER_BOTTOM_STYLE, CSS_PROP_BORDER_LEFT_STYLE };
+ return parse4Values(propId, properties, important);
+ }
+ case CSS_PROP_MARGIN:
+ // <margin-width>{1,4} | inherit
+ {
+ const int properties[4] = { CSS_PROP_MARGIN_TOP, CSS_PROP_MARGIN_RIGHT,
+ CSS_PROP_MARGIN_BOTTOM, CSS_PROP_MARGIN_LEFT };
+ return parse4Values(propId, properties, important);
+ }
+ case CSS_PROP_PADDING:
+ // <padding-width>{1,4} | inherit
+ {
+ const int properties[4] = { CSS_PROP_PADDING_TOP, CSS_PROP_PADDING_RIGHT,
+ CSS_PROP_PADDING_BOTTOM, CSS_PROP_PADDING_LEFT };
+ return parse4Values(propId, properties, important);
+ }
+ case CSS_PROP_FONT:
+ // [ [ 'font-style' || 'font-variant' || 'font-weight' ]? 'font-size' [ / 'line-height' ]?
+ // 'font-family' ] | caption | icon | menu | message-box | small-caption | status-bar | inherit
+ if (id >= CSS_VAL_CAPTION && id <= CSS_VAL_STATUS_BAR)
+ valid_primitive = true;
+ else
+ return parseFont(important);
+ break;
+ case CSS_PROP_LIST_STYLE:
+ {
+ const int properties[3] = { CSS_PROP_LIST_STYLE_TYPE, CSS_PROP_LIST_STYLE_POSITION,
+ CSS_PROP_LIST_STYLE_IMAGE };
+ return parseShorthand(propId, properties, 3, important);
+ }
+ case CSS_PROP__WEBKIT_COLUMNS: {
+ const int properties[2] = { CSS_PROP__WEBKIT_COLUMN_WIDTH, CSS_PROP__WEBKIT_COLUMN_COUNT };
+ return parseShorthand(propId, properties, 2, important);
+ }
+ case CSS_PROP__WEBKIT_COLUMN_RULE: {
+ const int properties[3] = { CSS_PROP__WEBKIT_COLUMN_RULE_WIDTH, CSS_PROP__WEBKIT_COLUMN_RULE_STYLE,
+ CSS_PROP__WEBKIT_COLUMN_RULE_COLOR };
+ return parseShorthand(propId, properties, 3, important);
+ }
+ case CSS_PROP__WEBKIT_TEXT_STROKE: {
+ const int properties[2] = { CSS_PROP__WEBKIT_TEXT_STROKE_WIDTH, CSS_PROP__WEBKIT_TEXT_STROKE_COLOR };
+ return parseShorthand(propId, properties, 2, important);
+ }
+ case CSS_PROP_INVALID:
+ return false;
+ case CSS_PROP_FONT_STRETCH:
+ case CSS_PROP_PAGE:
+ case CSS_PROP_TEXT_LINE_THROUGH:
+ case CSS_PROP_TEXT_OVERLINE:
+ case CSS_PROP_TEXT_UNDERLINE:
+ return false;
+ }
+
+ if (valid_primitive) {
+ if (id != 0)
+ parsedValue = new CSSPrimitiveValue(id);
+ else if (value->unit == CSSPrimitiveValue::CSS_STRING)
+ parsedValue = new CSSPrimitiveValue(domString(value->string), (CSSPrimitiveValue::UnitTypes) value->unit);
+ else if (value->unit >= CSSPrimitiveValue::CSS_NUMBER && value->unit <= CSSPrimitiveValue::CSS_KHZ)
+ parsedValue = new CSSPrimitiveValue(value->fValue, (CSSPrimitiveValue::UnitTypes) value->unit);
+ else if (value->unit >= Value::Q_EMS)
+ parsedValue = new CSSQuirkPrimitiveValue(value->fValue, CSSPrimitiveValue::CSS_EMS);
+ valueList->next();
+ }
+ if (parsedValue) {
+ if (!valueList->current() || inShorthand()) {
+ addProperty(propId, parsedValue, important);
+ return true;
+ }
+ delete parsedValue;
+ }
+#if ENABLE(SVG)
+ if (parseSVGValue(propId, important))
+ return true;
+#endif
+ return false;
+}
+
+void CSSParser::addBackgroundValue(CSSValue*& lval, CSSValue* rval)
+{
+ if (lval) {
+ if (lval->isValueList())
+ static_cast<CSSValueList*>(lval)->append(rval);
+ else {
+ CSSValue* oldVal = lval;
+ CSSValueList* list = new CSSValueList();
+ lval = list;
+ list->append(oldVal);
+ list->append(rval);
+ }
+ }
+ else
+ lval = rval;
+}
+
+bool CSSParser::parseBackgroundShorthand(bool important)
+{
+ // Position must come before color in this array because a plain old "0" is a legal color
+ // in quirks mode but it's usually the X coordinate of a position.
+ // FIXME: Add CSS_PROP__KHTML_BACKGROUND_SIZE to the shorthand.
+ const int properties[] = { CSS_PROP_BACKGROUND_IMAGE, CSS_PROP_BACKGROUND_REPEAT,
+ CSS_PROP_BACKGROUND_ATTACHMENT, CSS_PROP_BACKGROUND_POSITION, CSS_PROP__WEBKIT_BACKGROUND_CLIP,
+ CSS_PROP__WEBKIT_BACKGROUND_ORIGIN, CSS_PROP_BACKGROUND_COLOR };
+ const int numProperties = sizeof(properties) / sizeof(properties[0]);
+
+ ShorthandScope scope(this, CSS_PROP_BACKGROUND);
+
+ bool parsedProperty[numProperties] = { false }; // compiler will repeat false as necessary
+ CSSValue* values[numProperties] = { 0 }; // compiler will repeat 0 as necessary
+ CSSValue* positionYValue = 0;
+ int i;
+
+ while (valueList->current()) {
+ Value* val = valueList->current();
+ if (val->unit == Value::Operator && val->iValue == ',') {
+ // We hit the end. Fill in all remaining values with the initial value.
+ valueList->next();
+ for (i = 0; i < numProperties; ++i) {
+ if (properties[i] == CSS_PROP_BACKGROUND_COLOR && parsedProperty[i])
+ // Color is not allowed except as the last item in a list. Reject the entire
+ // property.
+ goto fail;
+
+ if (!parsedProperty[i] && properties[i] != CSS_PROP_BACKGROUND_COLOR) {
+ addBackgroundValue(values[i], new CSSInitialValue(true));
+ if (properties[i] == CSS_PROP_BACKGROUND_POSITION)
+ addBackgroundValue(positionYValue, new CSSInitialValue(true));
+ }
+ parsedProperty[i] = false;
+ }
+ if (!valueList->current())
+ break;
+ }
+
+ bool found = false;
+ for (i = 0; !found && i < numProperties; ++i) {
+ if (!parsedProperty[i]) {
+ CSSValue *val1 = 0, *val2 = 0;
+ int propId1, propId2;
+ if (parseBackgroundProperty(properties[i], propId1, propId2, val1, val2)) {
+ parsedProperty[i] = found = true;
+ addBackgroundValue(values[i], val1);
+ if (properties[i] == CSS_PROP_BACKGROUND_POSITION)
+ addBackgroundValue(positionYValue, val2);
+ }
+ }
+ }
+
+ // if we didn't find at least one match, this is an
+ // invalid shorthand and we have to ignore it
+ if (!found)
+ goto fail;
+ }
+
+ // Fill in any remaining properties with the initial value.
+ for (i = 0; i < numProperties; ++i) {
+ if (!parsedProperty[i]) {
+ addBackgroundValue(values[i], new CSSInitialValue(true));
+ if (properties[i] == CSS_PROP_BACKGROUND_POSITION)
+ addBackgroundValue(positionYValue, new CSSInitialValue(true));
+ }
+ }
+
+ // Now add all of the properties we found.
+ for (i = 0; i < numProperties; i++) {
+ if (properties[i] == CSS_PROP_BACKGROUND_POSITION) {
+ addProperty(CSS_PROP_BACKGROUND_POSITION_X, values[i], important);
+ addProperty(CSS_PROP_BACKGROUND_POSITION_Y, positionYValue, important);
+ }
+ else
+ addProperty(properties[i], values[i], important);
+ }
+
+ return true;
+
+fail:
+ for (int k = 0; k < numProperties; k++)
+ delete values[k];
+ delete positionYValue;
+ return false;
+}
+
+bool CSSParser::parseShorthand(int propId, const int *properties, int numProperties, bool important)
+{
+ // We try to match as many properties as possible
+ // We set up an array of booleans to mark which property has been found,
+ // and we try to search for properties until it makes no longer any sense.
+ ShorthandScope scope(this, propId);
+
+ bool found = false;
+ bool fnd[6]; // Trust me ;)
+ for (int i = 0; i < numProperties; i++)
+ fnd[i] = false;
+
+ while (valueList->current()) {
+ found = false;
+ for (int propIndex = 0; !found && propIndex < numProperties; ++propIndex) {
+ if (!fnd[propIndex]) {
+ if (parseValue(properties[propIndex], important))
+ fnd[propIndex] = found = true;
+ }
+ }
+
+ // if we didn't find at least one match, this is an
+ // invalid shorthand and we have to ignore it
+ if (!found)
+ return false;
+ }
+
+ // Fill in any remaining properties with the initial value.
+ m_implicitShorthand = true;
+ for (int i = 0; i < numProperties; ++i) {
+ if (!fnd[i])
+ addProperty(properties[i], new CSSInitialValue(true), important);
+ }
+ m_implicitShorthand = false;
+
+ return true;
+}
+
+bool CSSParser::parse4Values(int propId, const int *properties, bool important)
+{
+ /* From the CSS 2 specs, 8.3
+ * If there is only one value, it applies to all sides. If there are two values, the top and
+ * bottom margins are set to the first value and the right and left margins are set to the second.
+ * If there are three values, the top is set to the first value, the left and right are set to the
+ * second, and the bottom is set to the third. If there are four values, they apply to the top,
+ * right, bottom, and left, respectively.
+ */
+
+ int num = inShorthand() ? 1 : valueList->size();
+
+ ShorthandScope scope(this, propId);
+
+ // the order is top, right, bottom, left
+ switch (num) {
+ case 1: {
+ if (!parseValue(properties[0], important))
+ return false;
+ CSSValue *value = parsedProperties[numParsedProperties-1]->value();
+ m_implicitShorthand = true;
+ addProperty(properties[1], value, important);
+ addProperty(properties[2], value, important);
+ addProperty(properties[3], value, important);
+ m_implicitShorthand = false;
+ break;
+ }
+ case 2: {
+ if (!parseValue(properties[0], important) || !parseValue(properties[1], important))
+ return false;
+ CSSValue *value = parsedProperties[numParsedProperties-2]->value();
+ m_implicitShorthand = true;
+ addProperty(properties[2], value, important);
+ value = parsedProperties[numParsedProperties-2]->value();
+ addProperty(properties[3], value, important);
+ m_implicitShorthand = false;
+ break;
+ }
+ case 3: {
+ if (!parseValue(properties[0], important) || !parseValue(properties[1], important) || !parseValue(properties[2], important))
+ return false;
+ CSSValue *value = parsedProperties[numParsedProperties-2]->value();
+ m_implicitShorthand = true;
+ addProperty(properties[3], value, important);
+ m_implicitShorthand = false;
+ break;
+ }
+ case 4: {
+ if (!parseValue(properties[0], important) || !parseValue(properties[1], important) ||
+ !parseValue(properties[2], important) || !parseValue(properties[3], important))
+ return false;
+ break;
+ }
+ default: {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+// [ <string> | <uri> | <counter> | attr(X) | open-quote | close-quote | no-open-quote | no-close-quote ]+ | inherit
+// in CSS 2.1 this got somewhat reduced:
+// [ <string> | attr(X) | open-quote | close-quote | no-open-quote | no-close-quote ]+ | inherit
+bool CSSParser::parseContent(int propId, bool important)
+{
+ RefPtr<CSSValueList> values = new CSSValueList;
+
+ while (Value* val = valueList->current()) {
+ RefPtr<CSSValue> parsedValue;
+ if (val->unit == CSSPrimitiveValue::CSS_URI) {
+ // url
+ String value = parseURL(domString(val->string));
+ parsedValue = new CSSImageValue(
+ String(KURL(styleElement->baseURL().deprecatedString(), value.deprecatedString()).url()), styleElement);
+ } else if (val->unit == Value::Function) {
+ // attr(X) | counter(X [,Y]) | counters(X, Y, [,Z])
+ ValueList *args = val->function->args;
+ String fname = domString(val->function->name).lower();
+ if (!args)
+ return false;
+ if (fname == "attr(") {
+ if (args->size() != 1)
+ return false;
+ Value* a = args->current();
+ String attrName = domString(a->string);
+ if (document()->isHTMLDocument())
+ attrName = attrName.lower();
+ parsedValue = new CSSPrimitiveValue(attrName, CSSPrimitiveValue::CSS_ATTR);
+ } else if (fname == "counter(") {
+ parsedValue = parseCounterContent(args, false);
+ if (!parsedValue) return false;
+ } else if (fname == "counters(") {
+ parsedValue = parseCounterContent(args, true);
+ if (!parsedValue)
+ return false;
+ } else
+ return false;
+ } else if (val->unit == CSSPrimitiveValue::CSS_IDENT) {
+ // open-quote
+ // close-quote
+ // no-open-quote
+ // no-close-quote
+ // FIXME: These are not yet implemented (http://bugs.webkit.org/show_bug.cgi?id=6503).
+ } else if (val->unit == CSSPrimitiveValue::CSS_STRING) {
+ parsedValue = new CSSPrimitiveValue(domString(val->string), CSSPrimitiveValue::CSS_STRING);
+ }
+ if (!parsedValue)
+ break;
+ values->append(parsedValue.release());
+ valueList->next();
+ }
+
+ if (values->length()) {
+ addProperty(propId, values.release(), important);
+ valueList->next();
+ return true;
+ }
+
+ return false;
+}
+
+CSSValue* CSSParser::parseBackgroundColor()
+{
+ int id = valueList->current()->id;
+ if (id == CSS_VAL__WEBKIT_TEXT || (id >= CSS_VAL_AQUA && id <= CSS_VAL_WINDOWTEXT) || id == CSS_VAL_MENU ||
+ (id >= CSS_VAL_GREY && id < CSS_VAL__WEBKIT_TEXT && !strict))
+ return new CSSPrimitiveValue(id);
+ return parseColor();
+}
+
+bool CSSParser::parseBackgroundImage(CSSValue*& value)
+{
+ if (valueList->current()->id == CSS_VAL_NONE) {
+ value = new CSSImageValue();
+ return true;
+ }
+ if (valueList->current()->unit == CSSPrimitiveValue::CSS_URI) {
+ String uri = parseURL(domString(valueList->current()->string));
+ if (!uri.isEmpty())
+ value = new CSSImageValue(String(KURL(styleElement->baseURL().deprecatedString(), uri.deprecatedString()).url()),
+ styleElement);
+ return true;
+ }
+ return false;
+}
+
+CSSValue* CSSParser::parseBackgroundPositionXY(bool& xFound, bool& yFound)
+{
+ int id = valueList->current()->id;
+ if (id == CSS_VAL_LEFT || id == CSS_VAL_TOP || id == CSS_VAL_RIGHT || id == CSS_VAL_BOTTOM || id == CSS_VAL_CENTER) {
+ int percent = 0;
+ if (id == CSS_VAL_LEFT || id == CSS_VAL_RIGHT) {
+ if (xFound)
+ return 0;
+ xFound = true;
+ if (id == CSS_VAL_RIGHT)
+ percent = 100;
+ }
+ else if (id == CSS_VAL_TOP || id == CSS_VAL_BOTTOM) {
+ if (yFound)
+ return 0;
+ yFound = true;
+ if (id == CSS_VAL_BOTTOM)
+ percent = 100;
+ }
+ else if (id == CSS_VAL_CENTER)
+ // Center is ambiguous, so we're not sure which position we've found yet, an x or a y.
+ percent = 50;
+ return new CSSPrimitiveValue(percent, CSSPrimitiveValue::CSS_PERCENTAGE);
+ }
+ if (validUnit(valueList->current(), FPercent|FLength, strict))
+ return new CSSPrimitiveValue(valueList->current()->fValue,
+ (CSSPrimitiveValue::UnitTypes)valueList->current()->unit);
+
+ return 0;
+}
+
+void CSSParser::parseBackgroundPosition(CSSValue*& value1, CSSValue*& value2)
+{
+ value1 = value2 = 0;
+ Value* value = valueList->current();
+
+ // Parse the first value. We're just making sure that it is one of the valid keywords or a percentage/length.
+ bool value1IsX = false, value1IsY = false;
+ value1 = parseBackgroundPositionXY(value1IsX, value1IsY);
+ if (!value1)
+ return;
+
+ // It only takes one value for background-position to be correctly parsed if it was specified in a shorthand (since we
+ // can assume that any other values belong to the rest of the shorthand). If we're not parsing a shorthand, though, the
+ // value was explicitly specified for our property.
+ value = valueList->next();
+
+ // First check for the comma. If so, we are finished parsing this value or value pair.
+ if (value && value->unit == Value::Operator && value->iValue == ',')
+ value = 0;
+
+ bool value2IsX = false, value2IsY = false;
+ if (value) {
+ value2 = parseBackgroundPositionXY(value2IsX, value2IsY);
+ if (value2)
+ valueList->next();
+ else {
+ if (!inShorthand()) {
+ delete value1;
+ value1 = 0;
+ return;
+ }
+ }
+ }
+
+ if (!value2)
+ // Only one value was specified. If that value was not a keyword, then it sets the x position, and the y position
+ // is simply 50%. This is our default.
+ // For keywords, the keyword was either an x-keyword (left/right), a y-keyword (top/bottom), or an ambiguous keyword (center).
+ // For left/right/center, the default of 50% in the y is still correct.
+ value2 = new CSSPrimitiveValue(50, CSSPrimitiveValue::CSS_PERCENTAGE);
+
+ if (value1IsY || value2IsX) {
+ // Swap our two values.
+ CSSValue* val = value2;
+ value2 = value1;
+ value1 = val;
+ }
+}
+
+CSSValue* CSSParser::parseBackgroundSize()
+{
+ Value* value = valueList->current();
+ CSSPrimitiveValue* parsedValue1;
+
+ if (value->id == CSS_VAL_AUTO)
+ parsedValue1 = new CSSPrimitiveValue(0, CSSPrimitiveValue::CSS_UNKNOWN);
+ else {
+ if (!validUnit(value, FLength|FPercent, strict))
+ return 0;
+ parsedValue1 = new CSSPrimitiveValue(value->fValue, (CSSPrimitiveValue::UnitTypes)value->unit);
+ }
+
+ CSSPrimitiveValue* parsedValue2 = parsedValue1;
+ if ((value = valueList->next())) {
+ if (value->id == CSS_VAL_AUTO)
+ parsedValue2 = new CSSPrimitiveValue(0, CSSPrimitiveValue::CSS_UNKNOWN);
+ else {
+ if (!validUnit(value, FLength|FPercent, strict)) {
+ delete parsedValue1;
+ return 0;
+ }
+ parsedValue2 = new CSSPrimitiveValue(value->fValue, (CSSPrimitiveValue::UnitTypes)value->unit);
+ }
+ }
+
+ Pair* pair = new Pair(parsedValue1, parsedValue2);
+ return new CSSPrimitiveValue(pair);
+}
+
+bool CSSParser::parseBackgroundProperty(int propId, int& propId1, int& propId2,
+ CSSValue*& retValue1, CSSValue*& retValue2)
+{
+ CSSValueList *values = 0, *values2 = 0;
+ Value* val;
+ CSSValue *value = 0, *value2 = 0;
+ bool allowComma = false;
+
+ retValue1 = retValue2 = 0;
+ propId1 = propId;
+ propId2 = propId;
+ if (propId == CSS_PROP_BACKGROUND_POSITION) {
+ propId1 = CSS_PROP_BACKGROUND_POSITION_X;
+ propId2 = CSS_PROP_BACKGROUND_POSITION_Y;
+ }
+
+ while ((val = valueList->current())) {
+ CSSValue *currValue = 0, *currValue2 = 0;
+ if (allowComma) {
+ if (val->unit != Value::Operator || val->iValue != ',')
+ goto failed;
+ valueList->next();
+ allowComma = false;
+ } else {
+ switch (propId) {
+ case CSS_PROP_BACKGROUND_ATTACHMENT:
+ if (val->id == CSS_VAL_SCROLL || val->id == CSS_VAL_FIXED) {
+ currValue = new CSSPrimitiveValue(val->id);
+ valueList->next();
+ }
+ break;
+ case CSS_PROP_BACKGROUND_COLOR:
+ currValue = parseBackgroundColor();
+ if (currValue)
+ valueList->next();
+ break;
+ case CSS_PROP_BACKGROUND_IMAGE:
+ if (parseBackgroundImage(currValue))
+ valueList->next();
+ break;
+ case CSS_PROP__WEBKIT_BACKGROUND_CLIP:
+ case CSS_PROP__WEBKIT_BACKGROUND_ORIGIN:
+ if (val->id == CSS_VAL_BORDER || val->id == CSS_VAL_PADDING || val->id == CSS_VAL_CONTENT) {
+ currValue = new CSSPrimitiveValue(val->id);
+ valueList->next();
+ }
+ break;
+ case CSS_PROP_BACKGROUND_POSITION:
+ parseBackgroundPosition(currValue, currValue2);
+ // unlike the other functions, parseBackgroundPosition advances the valueList pointer
+ break;
+ case CSS_PROP_BACKGROUND_POSITION_X: {
+ bool xFound = false, yFound = true;
+ currValue = parseBackgroundPositionXY(xFound, yFound);
+ if (currValue)
+ valueList->next();
+ break;
+ }
+ case CSS_PROP_BACKGROUND_POSITION_Y: {
+ bool xFound = true, yFound = false;
+ currValue = parseBackgroundPositionXY(xFound, yFound);
+ if (currValue)
+ valueList->next();
+ break;
+ }
+ case CSS_PROP__WEBKIT_BACKGROUND_COMPOSITE:
+ if ((val->id >= CSS_VAL_CLEAR && val->id <= CSS_VAL_PLUS_LIGHTER) || val->id == CSS_VAL_HIGHLIGHT) {
+ currValue = new CSSPrimitiveValue(val->id);
+ valueList->next();
+ }
+ break;
+ case CSS_PROP_BACKGROUND_REPEAT:
+ if (val->id >= CSS_VAL_REPEAT && val->id <= CSS_VAL_NO_REPEAT) {
+ currValue = new CSSPrimitiveValue(val->id);
+ valueList->next();
+ }
+ break;
+ case CSS_PROP__WEBKIT_BACKGROUND_SIZE:
+ currValue = parseBackgroundSize();
+ if (currValue)
+ valueList->next();
+ break;
+ }
+ if (!currValue)
+ goto failed;
+
+ if (value && !values) {
+ values = new CSSValueList();
+ values->append(value);
+ value = 0;
+ }
+
+ if (value2 && !values2) {
+ values2 = new CSSValueList();
+ values2->append(value2);
+ value2 = 0;
+ }
+
+ if (values)
+ values->append(currValue);
+ else
+ value = currValue;
+ if (currValue2) {
+ if (values2)
+ values2->append(currValue2);
+ else
+ value2 = currValue2;
+ }
+ allowComma = true;
+ }
+
+ // When parsing the 'background' shorthand property, we let it handle building up the lists for all
+ // properties.
+ if (inShorthand())
+ break;
+ }
+
+ if (values && values->length()) {
+ retValue1 = values;
+ if (values2 && values2->length())
+ retValue2 = values2;
+ return true;
+ }
+ if (value) {
+ retValue1 = value;
+ retValue2 = value2;
+ return true;
+ }
+
+failed:
+ delete values; delete values2;
+ delete value; delete value2;
+ return false;
+}
+
+#define DASHBOARD_REGION_NUM_PARAMETERS 6
+#define DASHBOARD_REGION_SHORT_NUM_PARAMETERS 2
+
+static Value *skipCommaInDashboardRegion (ValueList *args)
+{
+ if (args->size() == (DASHBOARD_REGION_NUM_PARAMETERS*2-1) ||
+ args->size() == (DASHBOARD_REGION_SHORT_NUM_PARAMETERS*2-1)) {
+ Value *current = args->current();
+ if (current->unit == Value::Operator && current->iValue == ',')
+ return args->next();
+ }
+ return args->current();
+}
+
+bool CSSParser::parseDashboardRegions(int propId, bool important)
+{
+ bool valid = true;
+
+ Value *value = valueList->current();
+
+ if (value->id == CSS_VAL_NONE) {
+ if (valueList->next())
+ return false;
+ addProperty(propId, new CSSPrimitiveValue(value->id), important);
+ return valid;
+ }
+
+ RefPtr<DashboardRegion> firstRegion = new DashboardRegion;
+ DashboardRegion* region = 0;
+
+ while (value) {
+ if (region == 0) {
+ region = firstRegion.get();
+ } else {
+ RefPtr<DashboardRegion> nextRegion = new DashboardRegion();
+ region->m_next = nextRegion;
+ region = nextRegion.get();
+ }
+
+ if (value->unit != Value::Function) {
+ valid = false;
+ break;
+ }
+
+ // Commas count as values, so allow:
+ // dashboard-region(label, type, t, r, b, l) or dashboard-region(label type t r b l)
+ // dashboard-region(label, type, t, r, b, l) or dashboard-region(label type t r b l)
+ // also allow
+ // dashboard-region(label, type) or dashboard-region(label type)
+ // dashboard-region(label, type) or dashboard-region(label type)
+ ValueList* args = value->function->args;
+ String fname = domString(value->function->name).lower();
+ if (fname != "dashboard-region(" || !args) {
+ valid = false;
+ break;
+ }
+
+ int numArgs = args->size();
+ if ((numArgs != DASHBOARD_REGION_NUM_PARAMETERS && numArgs != (DASHBOARD_REGION_NUM_PARAMETERS*2-1)) &&
+ (numArgs != DASHBOARD_REGION_SHORT_NUM_PARAMETERS && numArgs != (DASHBOARD_REGION_SHORT_NUM_PARAMETERS*2-1))){
+ valid = false;
+ break;
+ }
+
+ // First arg is a label.
+ Value* arg = args->current();
+ if (arg->unit != CSSPrimitiveValue::CSS_IDENT) {
+ valid = false;
+ break;
+ }
+
+ region->m_label = domString(arg->string);
+
+ // Second arg is a type.
+ arg = args->next();
+ arg = skipCommaInDashboardRegion (args);
+ if (arg->unit != CSSPrimitiveValue::CSS_IDENT) {
+ valid = false;
+ break;
+ }
+
+ String geometryType = domString(arg->string).lower();
+ if (geometryType == "circle")
+ region->m_isCircle = true;
+ else if (geometryType == "rectangle")
+ region->m_isRectangle = true;
+ else {
+ valid = false;
+ break;
+ }
+
+ region->m_geometryType = domString(arg->string);
+
+ if (numArgs == DASHBOARD_REGION_SHORT_NUM_PARAMETERS || numArgs == (DASHBOARD_REGION_SHORT_NUM_PARAMETERS*2-1)) {
+ // This originally used CSS_VAL_INVALID by accident. It might be more logical to use something else.
+ CSSPrimitiveValue *amount = new CSSPrimitiveValue(CSS_VAL_INVALID);
+
+ region->setTop(amount);
+ region->setRight(amount);
+ region->setBottom(amount);
+ region->setLeft(amount);
+ }
+ else {
+ // Next four arguments must be offset numbers
+ int i;
+ for (i = 0; i < 4; i++) {
+ arg = args->next();
+ arg = skipCommaInDashboardRegion (args);
+
+ valid = arg->id == CSS_VAL_AUTO || validUnit(arg, FLength, strict);
+ if (!valid)
+ break;
+
+ CSSPrimitiveValue *amount = arg->id == CSS_VAL_AUTO ?
+ new CSSPrimitiveValue(CSS_VAL_AUTO) :
+ new CSSPrimitiveValue(arg->fValue, (CSSPrimitiveValue::UnitTypes) arg->unit);
+
+ if (i == 0)
+ region->setTop(amount);
+ else if (i == 1)
+ region->setRight(amount);
+ else if (i == 2)
+ region->setBottom(amount);
+ else
+ region->setLeft(amount);
+ }
+ }
+
+ if (args->next())
+ return false;
+
+ value = valueList->next();
+ }
+
+ if (valid)
+ addProperty(propId, new CSSPrimitiveValue(firstRegion.release()), important);
+
+ return valid;
+}
+
+PassRefPtr<CSSValue> CSSParser::parseCounterContent(ValueList* args, bool counters)
+{
+ unsigned numArgs = args->size();
+ if (counters && numArgs != 3 && numArgs != 5)
+ return 0;
+ if (!counters && numArgs != 1 && numArgs != 3)
+ return 0;
+
+ Value* i = args->current();
+ RefPtr<CSSPrimitiveValue> identifier = new CSSPrimitiveValue(domString(i->string),
+ CSSPrimitiveValue::CSS_STRING);
+
+ RefPtr<CSSPrimitiveValue> separator;
+ if (!counters)
+ separator = new CSSPrimitiveValue(String(), CSSPrimitiveValue::CSS_STRING);
+ else {
+ i = args->next();
+ if (i->unit != Value::Operator || i->iValue != ',')
+ return 0;
+
+ i = args->next();
+ if (i->unit != CSSPrimitiveValue::CSS_STRING)
+ return 0;
+
+ separator = new CSSPrimitiveValue(domString(i->string), (CSSPrimitiveValue::UnitTypes) i->unit);
+ }
+
+ RefPtr<CSSPrimitiveValue> listStyle;
+ i = args->next();
+ if (!i) // Make the list style default decimal
+ listStyle = new CSSPrimitiveValue(CSS_VAL_DECIMAL - CSS_VAL_DISC, CSSPrimitiveValue::CSS_NUMBER);
+ else {
+ if (i->unit != Value::Operator || i->iValue != ',')
+ return 0;
+
+ i = args->next();
+ if (i->unit != CSSPrimitiveValue::CSS_IDENT)
+ return 0;
+
+ short ls = 0;
+ if (i->id == CSS_VAL_NONE)
+ ls = CSS_VAL_KATAKANA_IROHA - CSS_VAL_DISC + 1;
+ else if (i->id >= CSS_VAL_DISC && i->id <= CSS_VAL_KATAKANA_IROHA)
+ ls = i->id - CSS_VAL_DISC;
+ else
+ return 0;
+
+ listStyle = new CSSPrimitiveValue(ls, (CSSPrimitiveValue::UnitTypes) i->unit);
+ }
+
+ return new CSSPrimitiveValue(new Counter(identifier.release(), listStyle.release(), separator.release()));
+}
+
+bool CSSParser::parseShape(int propId, bool important)
+{
+ Value *value = valueList->current();
+ ValueList *args = value->function->args;
+ String fname = domString(value->function->name).lower();
+ if (fname != "rect(" || !args)
+ return false;
+
+ // rect(t, r, b, l) || rect(t r b l)
+ if (args->size() != 4 && args->size() != 7)
+ return false;
+ Rect *rect = new Rect();
+ bool valid = true;
+ int i = 0;
+ Value *a = args->current();
+ while (a) {
+ valid = a->id == CSS_VAL_AUTO || validUnit(a, FLength, strict);
+ if (!valid)
+ break;
+ CSSPrimitiveValue *length = a->id == CSS_VAL_AUTO ?
+ new CSSPrimitiveValue(CSS_VAL_AUTO) :
+ new CSSPrimitiveValue(a->fValue, (CSSPrimitiveValue::UnitTypes) a->unit);
+ if (i == 0)
+ rect->setTop(length);
+ else if (i == 1)
+ rect->setRight(length);
+ else if (i == 2)
+ rect->setBottom(length);
+ else
+ rect->setLeft(length);
+ a = args->next();
+ if (a && args->size() == 7) {
+ if (a->unit == Value::Operator && a->iValue == ',') {
+ a = args->next();
+ } else {
+ valid = false;
+ break;
+ }
+ }
+ i++;
+ }
+ if (valid) {
+ addProperty(propId, new CSSPrimitiveValue(rect), important);
+ valueList->next();
+ return true;
+ }
+ delete rect;
+ return false;
+}
+
+// [ 'font-style' || 'font-variant' || 'font-weight' ]? 'font-size' [ / 'line-height' ]? 'font-family'
+bool CSSParser::parseFont(bool important)
+{
+ bool valid = true;
+ Value *value = valueList->current();
+ FontValue *font = new FontValue;
+ // optional font-style, font-variant and font-weight
+ while (value) {
+ int id = value->id;
+ if (id) {
+ if (id == CSS_VAL_NORMAL) {
+ // do nothing, it's the inital value for all three
+ } else if (id == CSS_VAL_ITALIC || id == CSS_VAL_OBLIQUE) {
+ if (font->style)
+ goto invalid;
+ font->style = new CSSPrimitiveValue(id);
+ } else if (id == CSS_VAL_SMALL_CAPS) {
+ if (font->variant)
+ goto invalid;
+ font->variant = new CSSPrimitiveValue(id);
+ } else if (id >= CSS_VAL_BOLD && id <= CSS_VAL_LIGHTER) {
+ if (font->weight)
+ goto invalid;
+ font->weight = new CSSPrimitiveValue(id);
+ } else {
+ valid = false;
+ }
+ } else if (!font->weight && validUnit(value, FInteger|FNonNeg, true)) {
+ int weight = (int)value->fValue;
+ int val = 0;
+ if (weight == 100)
+ val = CSS_VAL_100;
+ else if (weight == 200)
+ val = CSS_VAL_200;
+ else if (weight == 300)
+ val = CSS_VAL_300;
+ else if (weight == 400)
+ val = CSS_VAL_400;
+ else if (weight == 500)
+ val = CSS_VAL_500;
+ else if (weight == 600)
+ val = CSS_VAL_600;
+ else if (weight == 700)
+ val = CSS_VAL_700;
+ else if (weight == 800)
+ val = CSS_VAL_800;
+ else if (weight == 900)
+ val = CSS_VAL_900;
+
+ if (val)
+ font->weight = new CSSPrimitiveValue(val);
+ else
+ valid = false;
+ } else {
+ valid = false;
+ }
+ if (!valid)
+ break;
+ value = valueList->next();
+ }
+ if (!value)
+ goto invalid;
+
+ // set undefined values to default
+ if (!font->style)
+ font->style = new CSSPrimitiveValue(CSS_VAL_NORMAL);
+ if (!font->variant)
+ font->variant = new CSSPrimitiveValue(CSS_VAL_NORMAL);
+ if (!font->weight)
+ font->weight = new CSSPrimitiveValue(CSS_VAL_NORMAL);
+
+ // now a font size _must_ come
+ // <absolute-size> | <relative-size> | <length> | <percentage> | inherit
+ if (value->id >= CSS_VAL_XX_SMALL && value->id <= CSS_VAL_LARGER)
+ font->size = new CSSPrimitiveValue(value->id);
+ else if (validUnit(value, FLength|FPercent, strict))
+ font->size = new CSSPrimitiveValue(value->fValue, (CSSPrimitiveValue::UnitTypes) value->unit);
+ value = valueList->next();
+ if (!font->size || !value)
+ goto invalid;
+
+ if (value->unit == Value::Operator && value->iValue == '/') {
+ // line-height
+ value = valueList->next();
+ if (!value)
+ goto invalid;
+ if (value->id == CSS_VAL_NORMAL) {
+ // default value, nothing to do
+ } else if (validUnit(value, FNumber|FLength|FPercent, strict))
+ font->lineHeight = new CSSPrimitiveValue(value->fValue, (CSSPrimitiveValue::UnitTypes) value->unit);
+ else
+ goto invalid;
+ value = valueList->next();
+ if (!value)
+ goto invalid;
+ }
+
+ if (!font->lineHeight)
+ font->lineHeight = new CSSPrimitiveValue(CSS_VAL_NORMAL);
+
+ // font family must come now
+ font->family = parseFontFamily();
+
+ if (valueList->current() || !font->family)
+ goto invalid;
+
+ addProperty(CSS_PROP_FONT, font, important);
+ return true;
+
+ invalid:
+ delete font;
+ return false;
+}
+
+CSSValueList* CSSParser::parseFontFamily()
+{
+ CSSValueList* list = new CSSValueList;
+ Value* value = valueList->current();
+ FontFamilyValue* currFamily = 0;
+ while (value) {
+ Value* nextValue = valueList->next();
+ bool nextValBreaksFont = !nextValue ||
+ (nextValue->unit == Value::Operator && nextValue->iValue == ',');
+ bool nextValIsFontName = nextValue &&
+ ((nextValue->id >= CSS_VAL_SERIF && nextValue->id <= CSS_VAL__WEBKIT_BODY) ||
+ (nextValue->unit == CSSPrimitiveValue::CSS_STRING || nextValue->unit == CSSPrimitiveValue::CSS_IDENT));
+
+ if (value->id >= CSS_VAL_SERIF && value->id <= CSS_VAL__WEBKIT_BODY) {
+ if (currFamily) {
+ currFamily->parsedFontName += ' ';
+ currFamily->parsedFontName += deprecatedString(value->string);
+ }
+ else if (nextValBreaksFont || !nextValIsFontName)
+ list->append(new CSSPrimitiveValue(value->id));
+ else
+ list->append(currFamily = new FontFamilyValue(deprecatedString(value->string)));
+ }
+ else if (value->unit == CSSPrimitiveValue::CSS_STRING) {
+ // Strings never share in a family name.
+ currFamily = 0;
+ list->append(new FontFamilyValue(deprecatedString(value->string)));
+ }
+ else if (value->unit == CSSPrimitiveValue::CSS_IDENT) {
+ if (currFamily) {
+ currFamily->parsedFontName += ' ';
+ currFamily->parsedFontName += deprecatedString(value->string);
+ }
+ else if (nextValBreaksFont || !nextValIsFontName)
+ list->append(new FontFamilyValue(deprecatedString(value->string)));
+ else
+ list->append(currFamily = new FontFamilyValue(deprecatedString(value->string)));
+ }
+ else {
+ break;
+ }
+
+ if (!nextValue)
+ break;
+
+ if (nextValBreaksFont) {
+ value = valueList->next();
+ currFamily = 0;
+ }
+ else if (nextValIsFontName)
+ value = nextValue;
+ else
+ break;
+ }
+ if (!list->length()) {
+ delete list;
+ list = 0;
+ }
+ return list;
+}
+
+bool CSSParser::parseColor(const String &name, RGBA32& rgb, bool strict)
+{
+ if (!strict && Color::parseHexColor(name, rgb))
+ return true;
+
+ // try a little harder
+ Color tc;
+ tc.setNamedColor(name.lower());
+ if (tc.isValid()) {
+ rgb = tc.rgb();
+ return true;
+ }
+
+ return false;
+}
+
+bool CSSParser::parseColorParameters(Value* value, int* colorArray, bool parseAlpha)
+{
+ ValueList* args = value->function->args;
+ Value* v = args->current();
+ // Get the first value
+ if (!validUnit(v, FInteger | FPercent, true))
+ return false;
+ colorArray[0] = static_cast<int>(v->fValue * (v->unit == CSSPrimitiveValue::CSS_PERCENTAGE ? 256.0 / 100.0 : 1.0));
+ for (int i = 1; i < 3; i++) {
+ v = args->next();
+ if (v->unit != Value::Operator && v->iValue != ',')
+ return false;
+ v = args->next();
+ if (!validUnit(v, FInteger | FPercent, true))
+ return false;
+ colorArray[i] = static_cast<int>(v->fValue * (v->unit == CSSPrimitiveValue::CSS_PERCENTAGE ? 256.0 / 100.0 : 1.0));
+ }
+ if (parseAlpha) {
+ v = args->next();
+ if (v->unit != Value::Operator && v->iValue != ',')
+ return false;
+ v = args->next();
+ if (!validUnit(v, FNumber, true))
+ return false;
+ colorArray[3] = static_cast<int>(max(0.0, min(1.0, v->fValue)) * 255);
+ }
+ return true;
+}
+
+// CSS3 sepcification defines the format of a HSL color as
+// hsl(<number>, <percent>, <percent>)
+// and with alpha, the format is
+// hsla(<number>, <percent>, <percent>, <number>)
+// The first value, HUE, is in an angle with a value between 0 and 360
+bool CSSParser::parseHSLParameters(Value* value, double* colorArray, bool parseAlpha)
+{
+ ValueList* args = value->function->args;
+ Value* v = args->current();
+ // Get the first value
+ if (!validUnit(v, FNumber, true))
+ return false;
+ // normalize the Hue value and change it to be between 0 and 1.0
+ colorArray[0] = (((static_cast<int>(v->fValue) % 360) + 360) % 360) / 360.0;
+ for (int i = 1; i < 3; i++) {
+ v = args->next();
+ if (v->unit != Value::Operator && v->iValue != ',')
+ return false;
+ v = args->next();
+ if (!validUnit(v, FPercent, true))
+ return false;
+ colorArray[i] = max(0.0, min(100.0, v->fValue)) / 100.0; // needs to be value between 0 and 1.0
+ }
+ if (parseAlpha) {
+ v = args->next();
+ if (v->unit != Value::Operator && v->iValue != ',')
+ return false;
+ v = args->next();
+ if (!validUnit(v, FNumber, true))
+ return false;
+ colorArray[3] = max(0.0, min(1.0, v->fValue));
+ }
+ return true;
+}
+
+CSSPrimitiveValue *CSSParser::parseColor(Value* value)
+{
+ RGBA32 c = Color::transparent;
+ if (!parseColorFromValue(value ? value : valueList->current(), c))
+ return 0;
+ return new CSSPrimitiveValue(c);
+}
+
+bool CSSParser::parseColorFromValue(Value* value, RGBA32& c, bool svg)
+{
+ if (!strict && value->unit == CSSPrimitiveValue::CSS_NUMBER &&
+ value->fValue >= 0. && value->fValue < 1000000.) {
+ String str = String::format("%06d", (int)(value->fValue+.5));
+ if (!CSSParser::parseColor(str, c, strict))
+ return false;
+ } else if (value->unit == CSSPrimitiveValue::CSS_RGBCOLOR ||
+ value->unit == CSSPrimitiveValue::CSS_IDENT ||
+ (!strict && value->unit == CSSPrimitiveValue::CSS_DIMENSION)) {
+ if (!CSSParser::parseColor(domString(value->string), c, strict && value->unit == CSSPrimitiveValue::CSS_IDENT))
+ return false;
+ } else if (value->unit == Value::Function &&
+ value->function->args != 0 &&
+ value->function->args->size() == 5 /* rgb + two commas */ &&
+ domString(value->function->name).lower() == "rgb(") {
+ int colorValues[3];
+ if (!parseColorParameters(value, colorValues, false))
+ return false;
+ c = makeRGB(colorValues[0], colorValues[1], colorValues[2]);
+ } else if (!svg) {
+ if (value->unit == Value::Function &&
+ value->function->args != 0 &&
+ value->function->args->size() == 7 /* rgba + three commas */ &&
+ domString(value->function->name).lower() == "rgba(") {
+ int colorValues[4];
+ if (!parseColorParameters(value, colorValues, true))
+ return false;
+ c = makeRGBA(colorValues[0], colorValues[1], colorValues[2], colorValues[3]);
+ } else if (value->unit == Value::Function &&
+ value->function->args != 0 &&
+ value->function->args->size() == 5 /* hsl + two commas */ &&
+ domString(value->function->name).lower() == "hsl(") {
+ double colorValues[3];
+ if (!parseHSLParameters(value, colorValues, false))
+ return false;
+ c = makeRGBAFromHSLA(colorValues[0], colorValues[1], colorValues[2], 1.0);
+ } else if (value->unit == Value::Function &&
+ value->function->args != 0 &&
+ value->function->args->size() == 7 /* hsla + three commas */ &&
+ domString(value->function->name).lower() == "hsla(") {
+ double colorValues[4];
+ if (!parseHSLParameters(value, colorValues, true))
+ return false;
+ c = makeRGBAFromHSLA(colorValues[0], colorValues[1], colorValues[2], colorValues[3]);
+ } else
+ return false;
+ } else
+ return false;
+
+ return true;
+}
+
+// This class tracks parsing state for shadow values. If it goes out of scope (e.g., due to an early return)
+// without the allowBreak bit being set, then it will clean up all of the objects and destroy them.
+struct ShadowParseContext {
+ ShadowParseContext()
+ :values(0), x(0), y(0), blur(0), color(0),
+ allowX(true), allowY(false), allowBlur(false), allowColor(true),
+ allowBreak(true)
+ {}
+
+ bool allowLength() { return allowX || allowY || allowBlur; }
+
+ void commitValue() {
+ // Handle the ,, case gracefully by doing nothing.
+ if (x || y || blur || color) {
+ if (!values)
+ values = new CSSValueList();
+
+ // Construct the current shadow value and add it to the list.
+ values->append(new ShadowValue(x.release(), y.release(), blur.release(), color.release()));
+ }
+
+ // Now reset for the next shadow value.
+ x = y = blur = color = 0;
+ allowX = allowColor = allowBreak = true;
+ allowY = allowBlur = false;
+ }
+
+ void commitLength(Value* v) {
+ RefPtr<CSSPrimitiveValue> val = new CSSPrimitiveValue(v->fValue, (CSSPrimitiveValue::UnitTypes)v->unit);
+
+ if (allowX) {
+ x = val.release();
+ allowX = false; allowY = true; allowColor = false; allowBreak = false;
+ }
+ else if (allowY) {
+ y = val.release();
+ allowY = false; allowBlur = true; allowColor = true; allowBreak = true;
+ }
+ else if (allowBlur) {
+ blur = val.release();
+ allowBlur = false;
+ }
+ }
+
+ void commitColor(CSSPrimitiveValue* val) {
+ color = val;
+ allowColor = false;
+ if (allowX)
+ allowBreak = false;
+ else
+ allowBlur = false;
+ }
+
+ RefPtr<CSSValueList> values;
+ RefPtr<CSSPrimitiveValue> x;
+ RefPtr<CSSPrimitiveValue> y;
+ RefPtr<CSSPrimitiveValue> blur;
+ RefPtr<CSSPrimitiveValue> color;
+
+ bool allowX;
+ bool allowY;
+ bool allowBlur;
+ bool allowColor;
+ bool allowBreak;
+};
+
+bool CSSParser::parseShadow(int propId, bool important)
+{
+ ShadowParseContext context;
+ Value* val;
+ while ((val = valueList->current())) {
+ // Check for a comma break first.
+ if (val->unit == Value::Operator) {
+ if (val->iValue != ',' || !context.allowBreak)
+ // Other operators aren't legal or we aren't done with the current shadow
+ // value. Treat as invalid.
+ return false;
+
+ // The value is good. Commit it.
+ context.commitValue();
+ }
+ // Check to see if we're a length.
+ else if (validUnit(val, FLength, true)) {
+ // We required a length and didn't get one. Invalid.
+ if (!context.allowLength())
+ return false;
+
+ // A length is allowed here. Construct the value and add it.
+ context.commitLength(val);
+ }
+ else {
+ // The only other type of value that's ok is a color value.
+ CSSPrimitiveValue* parsedColor = 0;
+ bool isColor = (val->id >= CSS_VAL_AQUA && val->id <= CSS_VAL_WINDOWTEXT || val->id == CSS_VAL_MENU ||
+ (val->id >= CSS_VAL__WEBKIT_FOCUS_RING_COLOR && val->id <= CSS_VAL__WEBKIT_TEXT && !strict));
+ if (isColor) {
+ if (!context.allowColor)
+ return false;
+ parsedColor = new CSSPrimitiveValue(val->id);
+ }
+
+ if (!parsedColor)
+ // It's not built-in. Try to parse it as a color.
+ parsedColor = parseColor(val);
+
+ if (!parsedColor || !context.allowColor)
+ return false; // This value is not a color or length and is invalid or
+ // it is a color, but a color isn't allowed at this point.
+
+ context.commitColor(parsedColor);
+ }
+
+ valueList->next();
+ }
+
+ if (context.allowBreak) {
+ context.commitValue();
+ if (context.values->length()) {
+ addProperty(propId, context.values.release(), important);
+ valueList->next();
+ return true;
+ }
+ }
+
+ return false;
+}
+
+struct BorderImageParseContext
+{
+ BorderImageParseContext()
+ :m_allowBreak(false), m_allowNumber(false), m_allowSlash(false), m_allowWidth(false),
+ m_allowRule(false), m_image(0), m_top(0), m_right(0), m_bottom(0), m_left(0), m_borderTop(0), m_borderRight(0), m_borderBottom(0),
+ m_borderLeft(0), m_horizontalRule(0), m_verticalRule(0)
+ {}
+
+ bool allowBreak() const { return m_allowBreak; }
+ bool allowNumber() const { return m_allowNumber; }
+ bool allowSlash() const { return m_allowSlash; }
+ bool allowWidth() const { return m_allowWidth; }
+ bool allowRule() const { return m_allowRule; }
+
+ void commitImage(CSSImageValue* image) { m_image = image; m_allowNumber = true; }
+ void commitNumber(Value* v) {
+ CSSPrimitiveValue* val = new CSSPrimitiveValue(v->fValue,
+ (CSSPrimitiveValue::UnitTypes)v->unit);
+ if (!m_top)
+ m_top = val;
+ else if (!m_right)
+ m_right = val;
+ else if (!m_bottom)
+ m_bottom = val;
+ else {
+ ASSERT(!m_left);
+ m_left = val;
+ }
+
+ m_allowBreak = m_allowSlash = m_allowRule = true;
+ m_allowNumber = !m_left;
+ }
+ void commitSlash() { m_allowBreak = m_allowSlash = m_allowNumber = false; m_allowWidth = true; }
+ void commitWidth(Value* val) {
+ if (!m_borderTop)
+ m_borderTop.set(val);
+ else if (!m_borderRight)
+ m_borderRight.set(val);
+ else if (!m_borderBottom)
+ m_borderBottom.set(val);
+ else {
+ ASSERT(!m_borderLeft);
+ m_borderLeft.set(val);
+ }
+
+ m_allowBreak = m_allowRule = true;
+ m_allowWidth = !m_borderLeft;
+ }
+ void commitRule(int keyword) {
+ if (!m_horizontalRule)
+ m_horizontalRule = keyword;
+ else if (!m_verticalRule)
+ m_verticalRule = keyword;
+ m_allowRule = !m_verticalRule;
+ }
+ void commitBorderImage(CSSParser* p, int propId, bool important) {
+ // We need to clone and repeat values for any omissions.
+ if (!m_right) {
+ m_right = new CSSPrimitiveValue(m_top->getDoubleValue(), (CSSPrimitiveValue::UnitTypes)m_top->primitiveType());
+ m_bottom = new CSSPrimitiveValue(m_top->getDoubleValue(), (CSSPrimitiveValue::UnitTypes)m_top->primitiveType());
+ m_left = new CSSPrimitiveValue(m_top->getDoubleValue(), (CSSPrimitiveValue::UnitTypes)m_top->primitiveType());
+ }
+ if (!m_bottom) {
+ m_bottom = new CSSPrimitiveValue(m_top->getDoubleValue(), (CSSPrimitiveValue::UnitTypes)m_top->primitiveType());
+ m_left = new CSSPrimitiveValue(m_right->getDoubleValue(), (CSSPrimitiveValue::UnitTypes)m_right->primitiveType());
+ }
+ if (!m_left)
+ m_left = new CSSPrimitiveValue(m_top->getDoubleValue(), (CSSPrimitiveValue::UnitTypes)m_top->primitiveType());
+
+ // Now build a rect value to hold all four of our primitive values.
+ Rect* rect = new Rect;
+ rect->setTop(m_top); rect->setRight(m_right); rect->setBottom(m_bottom); rect->setLeft(m_left);
+
+ // Fill in STRETCH as the default if it wasn't specified.
+ if (!m_horizontalRule)
+ m_horizontalRule = CSS_VAL_STRETCH;
+
+ // The vertical rule should match the horizontal rule if unspecified.
+ if (!m_verticalRule)
+ m_verticalRule = m_horizontalRule;
+
+ // Make our new border image value now and add it as the result.
+ CSSBorderImageValue* borderImage = new CSSBorderImageValue(m_image, rect, m_horizontalRule, m_verticalRule);
+ p->addProperty(propId, borderImage, important);
+
+ // Now we have to deal with the border widths. The best way to deal with these is to actually put these values into a value
+ // list and then make our parsing machinery do the parsing.
+ if (m_borderTop) {
+ ValueList newList;
+ newList.addValue(*m_borderTop);
+ if (m_borderRight)
+ newList.addValue(*m_borderRight);
+ if (m_borderBottom)
+ newList.addValue(*m_borderBottom);
+ if (m_borderLeft)
+ newList.addValue(*m_borderLeft);
+ p->valueList = &newList;
+ p->parseValue(CSS_PROP_BORDER_WIDTH, important);
+ p->valueList = 0;
+ }
+ }
+
+ bool m_allowBreak;
+ bool m_allowNumber;
+ bool m_allowSlash;
+ bool m_allowWidth;
+ bool m_allowRule;
+
+ RefPtr<CSSImageValue> m_image;
+
+ RefPtr<CSSPrimitiveValue> m_top;
+ RefPtr<CSSPrimitiveValue> m_right;
+ RefPtr<CSSPrimitiveValue> m_bottom;
+ RefPtr<CSSPrimitiveValue> m_left;
+
+ OwnPtr<Value> m_borderTop;
+ OwnPtr<Value> m_borderRight;
+ OwnPtr<Value> m_borderBottom;
+ OwnPtr<Value> m_borderLeft;
+
+ int m_horizontalRule;
+ int m_verticalRule;
+};
+
+bool CSSParser::parseBorderImage(int propId, bool important)
+{
+ // Look for an image initially. If the first value is not a URI, then we're done.
+ BorderImageParseContext context;
+ Value* val = valueList->current();
+ if (val->unit != CSSPrimitiveValue::CSS_URI)
+ return false;
+
+ String uri = parseURL(domString(val->string));
+ if (uri.isEmpty())
+ return false;
+
+ context.commitImage(new CSSImageValue(String(KURL(styleElement->baseURL().deprecatedString(), uri.deprecatedString()).url()),
+ styleElement));
+ while ((val = valueList->next())) {
+ if (context.allowNumber() && validUnit(val, FInteger|FNonNeg|FPercent, true)) {
+ context.commitNumber(val);
+ } else if (context.allowSlash() && val->unit == Value::Operator && val->iValue == '/') {
+ context.commitSlash();
+ } else if (context.allowWidth() &&
+ (val->id == CSS_VAL_THIN || val->id == CSS_VAL_MEDIUM || val->id == CSS_VAL_THICK || validUnit(val, FLength, strict))) {
+ context.commitWidth(val);
+ } else if (context.allowRule() &&
+ (val->id == CSS_VAL_STRETCH || val->id == CSS_VAL_ROUND || val->id == CSS_VAL_REPEAT)) {
+ context.commitRule(val->id);
+ } else {
+ // Something invalid was encountered.
+ return false;
+ }
+ }
+
+ if (context.allowBreak()) {
+ // Need to fully commit as a single value.
+ context.commitBorderImage(this, propId, important);
+ return true;
+ }
+
+ return false;
+}
+
+bool CSSParser::parseCounter(int propId, int defaultValue, bool important)
+{
+ enum { ID, VAL } state = ID;
+
+ RefPtr<CSSValueList> list = new CSSValueList;
+ RefPtr<CSSPrimitiveValue> counterName;
+
+ while (true) {
+ Value* val = valueList->current();
+ switch (state) {
+ case ID:
+ if (val && val->unit == CSSPrimitiveValue::CSS_IDENT) {
+ counterName = new CSSPrimitiveValue(domString(val->string), CSSPrimitiveValue::CSS_STRING);
+ state = VAL;
+ valueList->next();
+ continue;
+ }
+ break;
+ case VAL: {
+ int i = defaultValue;
+ if (val && val->unit == CSSPrimitiveValue::CSS_NUMBER) {
+ i = (int)val->fValue;
+ valueList->next();
+ }
+
+ list->append(new CSSPrimitiveValue(new Pair(counterName.release(),
+ new CSSPrimitiveValue(i, CSSPrimitiveValue::CSS_NUMBER))));
+ state = ID;
+ continue;
+ }
+ }
+ break;
+ }
+
+ if (list->length() > 0) {
+ addProperty(propId, list.release(), important);
+ return true;
+ }
+
+ return false;
+}
+
+#ifdef CSS_DEBUG
+
+static inline int yyerror(const char *str)
+{
+ kdDebug(6080) << "CSS parse error " << str << endl;
+ return 1;
+}
+
+#else
+
+static inline int yyerror(const char*) { return 1; }
+
+#endif
+
+#define END_TOKEN 0
+
+#include "CSSGrammar.h"
+
+int CSSParser::lex(void* yylvalWithoutType)
+{
+ YYSTYPE* yylval = static_cast<YYSTYPE*>(yylvalWithoutType);
+ int token = lex();
+ int length;
+ UChar* t = text(&length);
+
+ switch(token) {
+ case WHITESPACE:
+ case SGML_CD:
+ case INCLUDES:
+ case DASHMATCH:
+ break;
+
+ case URI:
+ case STRING:
+ case IDENT:
+ case HEX:
+ case IDSEL:
+ case DIMEN:
+ case UNICODERANGE:
+ case FUNCTION:
+ case NOTFUNCTION:
+ yylval->string.characters = t;
+ yylval->string.length = length;
+ break;
+
+ case IMPORT_SYM:
+ case PAGE_SYM:
+ case MEDIA_SYM:
+ case FONT_FACE_SYM:
+ case CHARSET_SYM:
+ case NAMESPACE_SYM:
+
+ case IMPORTANT_SYM:
+ break;
+
+ case QEMS:
+ length--;
+ case GRADS:
+ length--;
+ case DEGS:
+ case RADS:
+ case KHERZ:
+ length--;
+ case MSECS:
+ case HERZ:
+ case EMS:
+ case EXS:
+ case PXS:
+ case CMS:
+ case MMS:
+ case INS:
+ case PTS:
+ case PCS:
+ length--;
+ case SECS:
+ case PERCENTAGE:
+ length--;
+ case FLOATTOKEN:
+ case INTEGER:
+ yylval->val = DeprecatedString((DeprecatedChar*)t, length).toFloat();
+ break;
+
+ default:
+ break;
+ }
+
+ return token;
+}
+
+static inline int toHex(char c)
+{
+ if ('0' <= c && c <= '9')
+ return c - '0';
+ if ('a' <= c && c <= 'f')
+ return c - 'a' + 10;
+ if ('A' <= c && c<= 'F')
+ return c - 'A' + 10;
+ return 0;
+}
+
+UChar* CSSParser::text(int *length)
+{
+ UChar* start = yytext;
+ int l = yyleng;
+ switch(yyTok) {
+ case STRING:
+ l--;
+ /* nobreak */
+ case HEX:
+ case IDSEL:
+ start++;
+ l--;
+ break;
+ case URI:
+ // "url("{w}{string}{w}")"
+ // "url("{w}{url}{w}")"
+
+ // strip "url(" and ")"
+ start += 4;
+ l -= 5;
+ // strip {w}
+ while (l &&
+ (*start == ' ' || *start == '\t' || *start == '\r' ||
+ *start == '\n' || *start == '\f')) {
+ start++; l--;
+ }
+ if (*start == '"' || *start == '\'') {
+ start++; l--;
+ }
+ while (l &&
+ (start[l-1] == ' ' || start[l-1] == '\t' || start[l-1] == '\r' ||
+ start[l-1] == '\n' || start[l-1] == '\f')) {
+ l--;
+ }
+ if (l && (start[l-1] == '\"' || start[l-1] == '\''))
+ l--;
+
+ default:
+ break;
+ }
+
+ // process escapes
+ UChar* out = start;
+ UChar* escape = 0;
+
+ for (int i = 0; i < l; i++) {
+ UChar* current = start + i;
+ if (escape == current - 1) {
+ if ((*current >= '0' && *current <= '9') ||
+ (*current >= 'a' && *current <= 'f') ||
+ (*current >= 'A' && *current <= 'F'))
+ continue;
+ if (yyTok == STRING &&
+ (*current == '\n' || *current == '\r' || *current == '\f')) {
+ // ### handle \r\n case
+ if (*current != '\r')
+ escape = 0;
+ continue;
+ }
+ // in all other cases copy the char to output
+ // ###
+ *out++ = *current;
+ escape = 0;
+ continue;
+ }
+ if (escape == current - 2 && yyTok == STRING &&
+ *(current-1) == '\r' && *current == '\n') {
+ escape = 0;
+ continue;
+ }
+ if (escape > current - 7 &&
+ ((*current >= '0' && *current <= '9') ||
+ (*current >= 'a' && *current <= 'f') ||
+ (*current >= 'A' && *current <= 'F')))
+ continue;
+ if (escape) {
+ // add escaped char
+ unsigned uc = 0;
+ escape++;
+ while (escape < current) {
+ uc *= 16;
+ uc += toHex(*escape);
+ escape++;
+ }
+ // can't handle chars outside ucs2
+ if (uc > 0xffff)
+ uc = 0xfffd;
+ *out++ = uc;
+ escape = 0;
+ if (*current == ' ' ||
+ *current == '\t' ||
+ *current == '\r' ||
+ *current == '\n' ||
+ *current == '\f')
+ continue;
+ }
+ if (!escape && *current == '\\') {
+ escape = current;
+ continue;
+ }
+ *out++ = *current;
+ }
+ if (escape) {
+ // add escaped char
+ unsigned uc = 0;
+ escape++;
+ while (escape < start+l) {
+ uc *= 16;
+ uc += toHex(*escape);
+ escape++;
+ }
+ // can't handle chars outside ucs2
+ if (uc > 0xffff)
+ uc = 0xfffd;
+ *out++ = uc;
+ }
+
+ *length = out - start;
+ return start;
+}
+
+CSSSelector* CSSParser::createFloatingSelector()
+{
+ CSSSelector* selector = new CSSSelector;
+ m_floatingSelectors.add(selector);
+ return selector;
+}
+
+CSSSelector* CSSParser::sinkFloatingSelector(CSSSelector* selector)
+{
+ if (selector) {
+ ASSERT(m_floatingSelectors.contains(selector));
+ m_floatingSelectors.remove(selector);
+ }
+ return selector;
+}
+
+ValueList* CSSParser::createFloatingValueList()
+{
+ ValueList* list = new ValueList;
+ m_floatingValueLists.add(list);
+ return list;
+}
+
+ValueList* CSSParser::sinkFloatingValueList(ValueList* list)
+{
+ if (list) {
+ ASSERT(m_floatingValueLists.contains(list));
+ m_floatingValueLists.remove(list);
+ }
+ return list;
+}
+
+Function* CSSParser::createFloatingFunction()
+{
+ Function* function = new Function;
+ m_floatingFunctions.add(function);
+ return function;
+}
+
+Function* CSSParser::sinkFloatingFunction(Function* function)
+{
+ if (function) {
+ ASSERT(m_floatingFunctions.contains(function));
+ m_floatingFunctions.remove(function);
+ }
+ return function;
+}
+
+Value& CSSParser::sinkFloatingValue(Value& value)
+{
+ if (value.unit == Value::Function) {
+ ASSERT(m_floatingFunctions.contains(value.function));
+ m_floatingFunctions.remove(value.function);
+ }
+ return value;
+}
+
+MediaQueryExp* CSSParser::createFloatingMediaQueryExp(const AtomicString& mediaFeature, ValueList* values)
+{
+ delete m_floatingMediaQueryExp;
+ m_floatingMediaQueryExp = new MediaQueryExp(mediaFeature, values);
+ return m_floatingMediaQueryExp;
+}
+
+MediaQueryExp* CSSParser::sinkFloatingMediaQueryExp(MediaQueryExp* e)
+{
+ ASSERT(e == m_floatingMediaQueryExp);
+ m_floatingMediaQueryExp = 0;
+ return e;
+}
+
+Vector<MediaQueryExp*>* CSSParser::createFloatingMediaQueryExpList()
+{
+ if (m_floatingMediaQueryExpList) {
+ deleteAllValues(*m_floatingMediaQueryExpList);
+ delete m_floatingMediaQueryExpList;
+ }
+ m_floatingMediaQueryExpList = new Vector<MediaQueryExp*>;
+ return m_floatingMediaQueryExpList;
+}
+
+Vector<MediaQueryExp*>* CSSParser::sinkFloatingMediaQueryExpList(Vector<MediaQueryExp*>* l)
+{
+ ASSERT(l == m_floatingMediaQueryExpList);
+ m_floatingMediaQueryExpList = 0;
+ return l;
+}
+
+MediaQuery* CSSParser::createFloatingMediaQuery(MediaQuery::Restrictor r, const String& mediaType, Vector<MediaQueryExp*>* exprs)
+{
+ delete m_floatingMediaQuery;
+ m_floatingMediaQuery = new MediaQuery(r, mediaType, exprs);
+ return m_floatingMediaQuery;
+}
+
+MediaQuery* CSSParser::sinkFloatingMediaQuery(MediaQuery* mq)
+{
+ ASSERT(mq == m_floatingMediaQuery);
+ m_floatingMediaQuery = 0;
+ return mq;
+}
+
+MediaList* CSSParser::createMediaList()
+{
+ MediaList* list = new MediaList;
+ m_parsedStyleObjects.append(list);
+ return list;
+}
+
+CSSRule* CSSParser::createCharsetRule(const ParseString& charset)
+{
+ if (!styleElement)
+ return 0;
+ if (!styleElement->isCSSStyleSheet())
+ return 0;
+ CSSCharsetRule* rule = new CSSCharsetRule(styleElement, domString(charset));
+ m_parsedStyleObjects.append(rule);
+ return rule;
+}
+
+CSSRule* CSSParser::createImportRule(const ParseString& URL, MediaList* media)
+{
+ if (!media)
+ return 0;
+ if (!styleElement)
+ return 0;
+ if (!styleElement->isCSSStyleSheet())
+ return 0;
+ CSSImportRule* rule = new CSSImportRule(styleElement, domString(URL), media);
+ m_parsedStyleObjects.append(rule);
+ return rule;
+}
+
+CSSRule* CSSParser::createMediaRule(MediaList* media, CSSRuleList* rules)
+{
+ if (!media)
+ return 0;
+ if (!rules)
+ return 0;
+ if (!styleElement)
+ return 0;
+ if (!styleElement->isCSSStyleSheet())
+ return 0;
+ CSSMediaRule* rule = new CSSMediaRule(styleElement, media, rules);
+ m_parsedStyleObjects.append(rule);
+ return rule;
+}
+
+CSSRuleList* CSSParser::createRuleList()
+{
+ CSSRuleList* list = new CSSRuleList;
+ m_parsedRuleLists.append(list);
+ return list;
+}
+
+CSSRule* CSSParser::createStyleRule(CSSSelector* selector)
+{
+ CSSStyleRule* rule = 0;
+ if (selector) {
+ rule = new CSSStyleRule(styleElement);
+ m_parsedStyleObjects.append(rule);
+ rule->setSelector(sinkFloatingSelector(selector));
+ rule->setDeclaration(new CSSMutableStyleDeclaration(rule, parsedProperties, numParsedProperties));
+ }
+ clearProperties();
+ return rule;
+}
+
+DeprecatedString deprecatedString(const ParseString& ps)
+{
+ return DeprecatedString(reinterpret_cast<const DeprecatedChar*>(ps.characters), ps.length);
+}
+
+#define YY_DECL int CSSParser::lex()
+#define yyconst const
+typedef int yy_state_type;
+typedef unsigned YY_CHAR;
+// this line makes sure we treat all Unicode chars correctly.
+#define YY_SC_TO_UI(c) (c > 0xff ? 0xff : c)
+#define YY_DO_BEFORE_ACTION \
+ yytext = yy_bp; \
+ yyleng = (int) (yy_cp - yy_bp); \
+ yy_hold_char = *yy_cp; \
+ *yy_cp = 0; \
+ yy_c_buf_p = yy_cp;
+#define YY_BREAK break;
+#define ECHO
+#define YY_RULE_SETUP
+#define INITIAL 0
+#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
+#define yyterminate() yyTok = END_TOKEN; return yyTok
+#define YY_FATAL_ERROR(a)
+// The line below is needed to build the tokenizer with conditon stack.
+// The macro is used in the tokenizer grammar with lines containing
+// BEGIN(mediaqueries) and BEGIN(initial). yy_start acts as index to
+// tokenizer transition table, and 'mediaqueries' and 'initial' are
+// offset multipliers that specify which transitions are active
+// in the tokenizer during in each condition (tokenizer state)
+#define BEGIN yy_start = 1 + 2 *
+
+#include "tokenizer.cpp"
+
+}