#define YYDEBUG 0
#include <kdebug.h>
#include <kurl.h>
#include "cssparser.h"
#include "css_valueimpl.h"
#include "css_ruleimpl.h"
#include "css_stylesheetimpl.h"
#include "cssproperties.h"
#include "cssvalues.h"
#include "misc/helper.h"
#include "csshelper.h"
using namespace DOM;
#include <stdlib.h>
#if APPLE_CHANGES
void qFatal ( const char * msg ) {}
#endif
ValueList::ValueList()
{
values = (Value *) malloc( 16 * sizeof ( Value ) );
numValues = 0;
currentValue = 0;
maxValues = 16;
}
ValueList::~ValueList()
{
for ( int i = 0; i < numValues; i++ ) {
#ifdef CSS_DEBUG
kdDebug( 6080 ) << " value: (unit=" << values[i].unit <<")"<< endl;
#endif
if ( values[i].unit == Value::Function )
delete values[i].function;
}
free( values );
}
void ValueList::addValue( const Value &val )
{
if ( numValues >= maxValues ) {
maxValues += 16;
values = (Value *) realloc( values, maxValues*sizeof( Value ) );
}
values[numValues++] = val;
}
using namespace DOM;
#if YYDEBUG > 0
extern int cssyydebug;
#endif
extern int cssyyparse( void * parser );
CSSParser *CSSParser::currentParser = 0;
CSSParser::CSSParser( bool strictParsing )
{
#ifdef CSS_DEBUG
kdDebug( 6080 ) << "CSSParser::CSSParser this=" << this << endl;
#endif
strict = strictParsing;
parsedProperties = (CSSProperty **) malloc( 32 * sizeof( CSSProperty * ) );
numParsedProperties = 0;
maxParsedProperties = 32;
valueList = 0;
rule = 0;
id = 0;
important = false;
nonCSSHint = false;
inParseShortHand = false;
yy_start = 1;
#if YYDEBUG > 0
cssyydebug = 1;
#endif
}
CSSParser::~CSSParser()
{
if ( numParsedProperties )
clearProperties();
free( parsedProperties );
delete valueList;
#ifdef CSS_DEBUG
kdDebug( 6080 ) << "CSSParser::~CSSParser this=" << this << endl;
#endif
free( data );
}
void CSSParser::parseSheet( CSSStyleSheetImpl *sheet, const DOMString &string )
{
styleElement = sheet;
int length = string.length() + 3;
data = (unsigned short *)malloc( length *sizeof( unsigned short ) );
memcpy( data, string.unicode(), string.length()*sizeof( unsigned short) );
data[length-1] = 0;
data[length-2] = 0;
data[length-3] = ' ';
yy_hold_char = 0;
yyleng = 0;
yytext = yy_c_buf_p = data;
yy_hold_char = *yy_c_buf_p;
#ifdef CSS_DEBUG
kdDebug( 6080 ) << ">>>>>>> start parsing style sheet" << endl;
#endif
CSSParser *old = currentParser;
currentParser = this;
cssyyparse( this );
currentParser = old;
#ifdef CSS_DEBUG
kdDebug( 6080 ) << "<<<<<<< done parsing style sheet" << endl;
#endif
delete rule;
rule = 0;
}
CSSRuleImpl *CSSParser::parseRule( DOM::CSSStyleSheetImpl *sheet, const DOM::DOMString &string )
{
styleElement = sheet;
const char khtml_rule[] = "@-khtml-rule{";
int length = string.length() + 4 + strlen(khtml_rule);
data = (unsigned short *)malloc( length *sizeof( unsigned short ) );
for ( unsigned int i = 0; i < strlen(khtml_rule); i++ )
data[i] = khtml_rule[i];
memcpy( data + strlen( khtml_rule ), string.unicode(), string.length()*sizeof( unsigned short) );
data[length-1] = 0;
data[length-2] = 0;
data[length-3] = ' ';
data[length-4] = '}';
yy_hold_char = 0;
yyleng = 0;
yytext = yy_c_buf_p = data;
yy_hold_char = *yy_c_buf_p;
CSSParser *old = currentParser;
currentParser = this;
cssyyparse( this );
currentParser = old;
CSSRuleImpl *result = rule;
rule = 0;
return result;
}
bool CSSParser::parseValue( DOM::CSSStyleDeclarationImpl *declaration, int _id, const DOM::DOMString &string,
bool _important, bool _nonCSSHint )
{
#ifdef CSS_DEBUG
kdDebug( 6080 ) << "CSSParser::parseValue: id=" << _id << " important=" << _important
<< " nonCSSHint=" << _nonCSSHint << " value='" << string.string() << "'" << endl;
#endif
styleElement = declaration->stylesheet();
const char khtml_value[] = "@-khtml-value{";
int length = string.length() + 4 + strlen(khtml_value);
data = (unsigned short *)malloc( length *sizeof( unsigned short ) );
for ( unsigned int i = 0; i < strlen(khtml_value); i++ )
data[i] = khtml_value[i];
memcpy( data + strlen( khtml_value ), string.unicode(), string.length()*sizeof( unsigned short) );
data[length-1] = 0;
data[length-2] = 0;
data[length-3] = ' ';
data[length-4] = '}';
yy_hold_char = 0;
yyleng = 0;
yytext = yy_c_buf_p = data;
yy_hold_char = *yy_c_buf_p;
id = _id;
important = _important;
nonCSSHint = _nonCSSHint;
CSSParser *old = currentParser;
currentParser = this;
cssyyparse( this );
currentParser = old;
delete rule;
rule = 0;
bool ok = false;
if ( numParsedProperties ) {
ok = true;
for ( int i = 0; i < numParsedProperties; i++ ) {
declaration->removeProperty(parsedProperties[i]->m_id, nonCSSHint);
declaration->values()->append( parsedProperties[i] );
}
numParsedProperties = 0;
}
return ok;
}
bool CSSParser::parseDeclaration( DOM::CSSStyleDeclarationImpl *declaration, const DOM::DOMString &string,
bool _nonCSSHint )
{
#ifdef CSS_DEBUG
kdDebug( 6080 ) << "CSSParser::parseDeclaration: nonCSSHint=" << nonCSSHint
<< " value='" << string.string() << "'" << endl;
#endif
styleElement = declaration->stylesheet();
const char khtml_decls[] = "@-khtml-decls{";
int length = string.length() + 4 + strlen(khtml_decls);
data = (unsigned short *)malloc( length *sizeof( unsigned short ) );
for ( unsigned int i = 0; i < strlen(khtml_decls); i++ )
data[i] = khtml_decls[i];
memcpy( data + strlen( khtml_decls ), string.unicode(), string.length()*sizeof( unsigned short) );
data[length-1] = 0;
data[length-2] = 0;
data[length-3] = ' ';
data[length-4] = '}';
yy_hold_char = 0;
yyleng = 0;
yytext = yy_c_buf_p = data;
yy_hold_char = *yy_c_buf_p;
nonCSSHint = _nonCSSHint;
CSSParser *old = currentParser;
currentParser = this;
cssyyparse( this );
currentParser = old;
delete rule;
rule = 0;
bool ok = false;
if ( numParsedProperties ) {
ok = true;
for ( int i = 0; i < numParsedProperties; i++ ) {
declaration->removeProperty(parsedProperties[i]->m_id, false);
declaration->values()->append( parsedProperties[i] );
}
numParsedProperties = 0;
}
return ok;
}
void CSSParser::addProperty( int propId, CSSValueImpl *value, bool important )
{
CSSProperty *prop = new CSSProperty;
prop->m_id = propId;
prop->setValue( value );
prop->m_bImportant = important;
prop->nonCSSHint = nonCSSHint;
if ( numParsedProperties >= maxParsedProperties ) {
maxParsedProperties += 32;
parsedProperties = (CSSProperty **) realloc( parsedProperties,
maxParsedProperties*sizeof( CSSProperty * ) );
}
parsedProperties[numParsedProperties++] = prop;
}
CSSStyleDeclarationImpl *CSSParser::createStyleDeclaration( CSSStyleRuleImpl *rule )
{
QPtrList<CSSProperty> *propList = new QPtrList<CSSProperty>;
propList->setAutoDelete( true );
for ( int i = 0; i < numParsedProperties; i++ )
propList->append( parsedProperties[i] );
numParsedProperties = 0;
return new CSSStyleDeclarationImpl(rule, propList);
}
void CSSParser::clearProperties()
{
for ( int i = 0; i < numParsedProperties; i++ )
delete parsedProperties[i];
numParsedProperties = 0;
}
DOM::DocumentImpl *CSSParser::document() const
{
StyleBaseImpl *root = styleElement;
DocumentImpl *doc = 0;
while (root->parent())
root = root->parent();
if (root->isCSSStyleSheet())
doc = static_cast<CSSStyleSheetImpl*>(root)->doc();
return doc;
}
enum Units
{
FUnknown = 0x0000,
FInteger = 0x0001,
FNumber = 0x0002, FPercent = 0x0004,
FLength = 0x0008,
FAngle = 0x0010,
FTime = 0x0020,
FFrequency = 0x0040,
FRelative = 0x0100,
FNonNeg = 0x0200
};
static bool validUnit( Value *value, int 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->fValue - (int)value->fValue) < 0.001 )
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_DEG:
case CSSPrimitiveValue::CSS_RAD:
case CSSPrimitiveValue::CSS_GRAD:
case CSSPrimitiveValue::CSS_MS:
case CSSPrimitiveValue::CSS_S:
case CSSPrimitiveValue::CSS_HZ:
case CSSPrimitiveValue::CSS_KHZ:
case CSSPrimitiveValue::CSS_DIMENSION:
default:
break;
}
return b;
}
bool CSSParser::parseValue( int propId, bool important )
{
if ( !valueList ) return false;
Value *value = valueList->current();
if ( !value )
return false;
int id = 0;
id = value->id;
if ( id == CSS_VAL_INHERIT ) {
addProperty( propId, new CSSInheritedValueImpl(), important );
return true;
}
bool valid_primitive = false;
CSSValueImpl *parsedValue = 0;
switch(propId) {
case CSS_PROP_SIZE: case CSS_PROP_QUOTES: if (id)
valid_primitive = true;
break;
case CSS_PROP_UNICODE_BIDI: if ( id == CSS_VAL_NORMAL ||
id == CSS_VAL_EMBED ||
id == CSS_VAL_BIDI_OVERRIDE )
valid_primitive = true;
break;
case CSS_PROP_POSITION: 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: case CSS_PROP_PAGE_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: if ( id == CSS_VAL_AUTO ||
id == CSS_VAL_AVOID )
valid_primitive = true;
break;
case CSS_PROP_EMPTY_CELLS: if ( id == CSS_VAL_SHOW ||
id == CSS_VAL_HIDE )
valid_primitive = true;
break;
case CSS_PROP_CONTENT: return parseContent( propId, important );
break;
case CSS_PROP_WHITE_SPACE: if ( id == CSS_VAL_NORMAL ||
id == CSS_VAL_PRE ||
id == CSS_VAL_NOWRAP )
valid_primitive = true;
break;
case CSS_PROP_CLIP: if ( id == CSS_VAL_AUTO )
valid_primitive = true;
else if ( value->unit == Value::Function )
return parseShape( propId, important );
break;
case CSS_PROP_CAPTION_SIDE: 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: if ( id == CSS_VAL_COLLAPSE || id == CSS_VAL_SEPARATE )
valid_primitive = true;
break;
case CSS_PROP_VISIBILITY: if (id == CSS_VAL_VISIBLE || id == CSS_VAL_HIDDEN || id == CSS_VAL_COLLAPSE)
valid_primitive = true;
break;
case CSS_PROP_OVERFLOW: if ( id == CSS_VAL_VISIBLE || id == CSS_VAL_HIDDEN || id == CSS_VAL_SCROLL || id == CSS_VAL_AUTO )
valid_primitive = true;
break;
case CSS_PROP_LIST_STYLE_POSITION: if ( id == CSS_VAL_INSIDE || id == CSS_VAL_OUTSIDE )
valid_primitive = true;
break;
case CSS_PROP_LIST_STYLE_TYPE:
if ((id >= CSS_VAL_DISC && id <= CSS_VAL_KATAKANA_IROHA) || id == CSS_VAL_NONE)
valid_primitive = true;
break;
case CSS_PROP_DISPLAY:
if ((id >= CSS_VAL_INLINE && id <= CSS_VAL__KHTML_INLINE_BOX) || id == CSS_VAL_NONE)
valid_primitive = true;
break;
case CSS_PROP_DIRECTION: if ( id == CSS_VAL_LTR || id == CSS_VAL_RTL )
valid_primitive = true;
break;
case CSS_PROP_TEXT_TRANSFORM: if ((id >= CSS_VAL_CAPITALIZE && id <= CSS_VAL_LOWERCASE) || id == CSS_VAL_NONE)
valid_primitive = true;
break;
case CSS_PROP_FLOAT: 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: 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:
if ( ( id >= CSS_VAL__KHTML_AUTO && id <= CSS_VAL__KHTML_CENTER ) ||
value->unit == CSSPrimitiveValue::CSS_STRING )
valid_primitive = true;
break;
case CSS_PROP_OUTLINE_STYLE: case CSS_PROP_BORDER_TOP_STYLE: case CSS_PROP_BORDER_RIGHT_STYLE: case CSS_PROP_BORDER_BOTTOM_STYLE: case CSS_PROP_BORDER_LEFT_STYLE: if (id >= CSS_VAL_NONE && id <= CSS_VAL_RIDGE)
valid_primitive = true;
break;
case CSS_PROP_FONT_WEIGHT: if (id >= CSS_VAL_NORMAL && id <= CSS_VAL_900) {
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_BACKGROUND_REPEAT: if ( id >= CSS_VAL_REPEAT && id <= CSS_VAL_NO_REPEAT )
valid_primitive = true;
break;
case CSS_PROP_BACKGROUND_ATTACHMENT: if ( id == CSS_VAL_SCROLL || id == CSS_VAL_FIXED )
valid_primitive = true;
break;
case CSS_PROP_BACKGROUND_POSITION:
if ( id ) {
int pos[2];
pos[0] = -1;
pos[1] = -1;
bool invalid = false;
switch( id ) {
case CSS_VAL_TOP:
pos[1] = 0;
break;
case CSS_VAL_BOTTOM:
pos[1] = 100;
break;
case CSS_VAL_LEFT:
pos[0] = 0;
break;
case CSS_VAL_RIGHT:
pos[0] = 100;
break;
case CSS_VAL_CENTER:
break;
default:
invalid = true;
}
if ( invalid )
break;
value = valueList->next();
if ( value ) {
id = value->id;
switch( id ) {
case CSS_VAL_TOP:
if ( pos[1] != -1 )
invalid = true;
pos[1] = 0;
break;
case CSS_VAL_BOTTOM:
if ( pos[1] != -1 )
invalid = true;
pos[1] = 100;
break;
case CSS_VAL_LEFT:
if ( pos[0] != -1 )
invalid = true;
pos[0] = 0;
break;
case CSS_VAL_RIGHT:
if ( pos[0] != -1 )
invalid = true;
pos[0] = 100;
break;
case CSS_VAL_CENTER:
break;
default:
invalid = true;
}
if ( !invalid )
value = valueList->next();
}
if ( pos[0] == -1 )
pos[0] = 50;
if ( pos[1] == -1 )
pos[1] = 50;
addProperty( CSS_PROP_BACKGROUND_POSITION_X,
new CSSPrimitiveValueImpl( pos[0], CSSPrimitiveValue::CSS_PERCENTAGE ),
important );
addProperty( CSS_PROP_BACKGROUND_POSITION_Y,
new CSSPrimitiveValueImpl( pos[1], CSSPrimitiveValue::CSS_PERCENTAGE ),
important );
} else {
bool ok = parseValue( CSS_PROP_BACKGROUND_POSITION_X, important );
if ( !ok )
break;
value = valueList->current();
if ( value )
ok = parseValue( CSS_PROP_BACKGROUND_POSITION_Y, important );
if ( !ok )
addProperty( CSS_PROP_BACKGROUND_POSITION_Y,
new CSSPrimitiveValueImpl( 50, CSSPrimitiveValue::CSS_PERCENTAGE ),
important );
}
return true;
case CSS_PROP_BACKGROUND_POSITION_X:
case CSS_PROP_BACKGROUND_POSITION_Y:
valid_primitive = validUnit( value, FPercent|FLength, strict&(!nonCSSHint) );
break;
case CSS_PROP_BORDER_SPACING:
valid_primitive = ( validUnit( value, FLength|FNonNeg, strict&(!nonCSSHint) ) );
break;
case CSS_PROP_SCROLLBAR_FACE_COLOR: case CSS_PROP_SCROLLBAR_SHADOW_COLOR: case CSS_PROP_SCROLLBAR_HIGHLIGHT_COLOR: case CSS_PROP_SCROLLBAR_3DLIGHT_COLOR: case CSS_PROP_SCROLLBAR_DARKSHADOW_COLOR: case CSS_PROP_SCROLLBAR_TRACK_COLOR: case CSS_PROP_SCROLLBAR_ARROW_COLOR: if ( strict )
break;
case CSS_PROP_OUTLINE_COLOR: if ( propId == CSS_PROP_OUTLINE_COLOR && id == CSS_VAL_INVERT ) {
valid_primitive = true;
break;
}
case CSS_PROP_BACKGROUND_COLOR: if ( propId == CSS_PROP_BACKGROUND_COLOR && id == CSS_VAL_TRANSPARENT ) {
valid_primitive = true;
break;
}
case CSS_PROP_BORDER_TOP_COLOR: case CSS_PROP_BORDER_RIGHT_COLOR: case CSS_PROP_BORDER_BOTTOM_COLOR: case CSS_PROP_BORDER_LEFT_COLOR: if (id == CSS_VAL_TRANSPARENT) {
valid_primitive = true;
break;
}
case CSS_PROP_COLOR: case CSS_PROP_TEXT_DECORATION_COLOR:
if (id == CSS_VAL__KHTML_TEXT)
valid_primitive = true; else if ( id >= CSS_VAL_AQUA && id <= CSS_VAL_WINDOWTEXT || id == CSS_VAL_MENU ||
(id >= CSS_VAL_GREY && id < CSS_VAL__KHTML_TEXT && (nonCSSHint|!strict)) ) {
valid_primitive = true;
} else {
parsedValue = parseColor();
if ( parsedValue )
valueList->next();
}
break;
case CSS_PROP_CURSOR:
if ( !strict && id == CSS_VAL_HAND )
valid_primitive = true;
else if ( id >= CSS_VAL_AUTO && id <= CSS_VAL_HELP )
valid_primitive = true;
break;
case CSS_PROP_BACKGROUND_IMAGE: case CSS_PROP_LIST_STYLE_IMAGE:
if ( id == CSS_VAL_NONE ) {
parsedValue = new CSSImageValueImpl();
valueList->next();
#ifdef CSS_DEBUG
kdDebug( 6080 ) << "empty image " << endl;
#endif
} else if ( value->unit == CSSPrimitiveValue::CSS_URI ) {
DOMString uri = khtml::parseURL( domString( value->string ) );
if ( !uri.isEmpty() ) {
parsedValue = new CSSImageValueImpl(
DOMString(KURL( styleElement->baseURL().string(), uri.string()).url()),
styleElement );
valueList->next();
#ifdef CSS_DEBUG
kdDebug( 6080 ) << "image, url=" << uri.string() << " base=" << styleElement->baseURL().string() << endl;
#endif
}
}
break;
case CSS_PROP_OUTLINE_WIDTH: case CSS_PROP_BORDER_TOP_WIDTH: case CSS_PROP_BORDER_RIGHT_WIDTH: case CSS_PROP_BORDER_BOTTOM_WIDTH: case CSS_PROP_BORDER_LEFT_WIDTH: if (id == CSS_VAL_THIN || id == CSS_VAL_MEDIUM || id == CSS_VAL_THICK)
valid_primitive = true;
else
valid_primitive = ( validUnit( value, FLength, strict&(!nonCSSHint) ) );
break;
case CSS_PROP_MARKER_OFFSET: if ( id == CSS_VAL_AUTO )
valid_primitive = true;
else
valid_primitive = validUnit( value, FLength, strict&(!nonCSSHint) );
break;
case CSS_PROP_LETTER_SPACING: case CSS_PROP_WORD_SPACING: if ( id == CSS_VAL_NORMAL )
valid_primitive = true;
else
valid_primitive = validUnit( value, FLength, strict&(!nonCSSHint) );
break;
case CSS_PROP_TEXT_INDENT: case CSS_PROP_PADDING_TOP: case CSS_PROP_PADDING_RIGHT: case CSS_PROP_PADDING_BOTTOM: case CSS_PROP_PADDING_LEFT: valid_primitive = ( !id && validUnit( value, FLength|FPercent, strict&(!nonCSSHint) ) );
break;
case CSS_PROP_MAX_HEIGHT: case CSS_PROP_MAX_WIDTH: if ( id == CSS_VAL_NONE ) {
valid_primitive = true;
break;
}
case CSS_PROP_MIN_HEIGHT: case CSS_PROP_MIN_WIDTH: valid_primitive = ( !id && validUnit( value, FLength|FPercent|FNonNeg, strict&(!nonCSSHint) ) );
break;
case CSS_PROP_FONT_SIZE:
if (id >= CSS_VAL_XX_SMALL && id <= CSS_VAL_LARGER)
valid_primitive = true;
else
valid_primitive = ( validUnit( value, FLength|FPercent, strict&(!nonCSSHint) ) );
break;
case CSS_PROP_FONT_STYLE: if ( id == CSS_VAL_NORMAL || id == CSS_VAL_ITALIC || id == CSS_VAL_OBLIQUE)
valid_primitive = true;
break;
case CSS_PROP_FONT_VARIANT: if ( id == CSS_VAL_NORMAL || id == CSS_VAL_SMALL_CAPS)
valid_primitive = true;
break;
case CSS_PROP_VERTICAL_ALIGN:
if ( id >= CSS_VAL_BASELINE && id <= CSS_VAL__KHTML_BASELINE_MIDDLE )
valid_primitive = true;
else
valid_primitive = ( !id && validUnit( value, FLength|FPercent, strict&(!nonCSSHint) ) );
break;
case CSS_PROP_HEIGHT: case CSS_PROP_WIDTH: if ( id == CSS_VAL_AUTO )
valid_primitive = true;
else
valid_primitive = ( !id && validUnit( value, FLength|FPercent|FNonNeg, strict&(!nonCSSHint) ) );
break;
case CSS_PROP_BOTTOM: case CSS_PROP_LEFT: case CSS_PROP_RIGHT: case CSS_PROP_TOP: case CSS_PROP_MARGIN_TOP: case CSS_PROP_MARGIN_RIGHT: case CSS_PROP_MARGIN_BOTTOM: case CSS_PROP_MARGIN_LEFT: if ( id == CSS_VAL_AUTO )
valid_primitive = true;
else
valid_primitive = ( !id && validUnit( value, FLength|FPercent, strict&(!nonCSSHint) ) );
break;
case CSS_PROP_Z_INDEX: if ( id == CSS_VAL_AUTO ) {
valid_primitive = true;
break;
}
case CSS_PROP_ORPHANS: case CSS_PROP_WIDOWS: valid_primitive = ( !id && validUnit( value, FInteger, false ) );
break;
case CSS_PROP_LINE_HEIGHT: if ( id == CSS_VAL_NORMAL )
valid_primitive = true;
else
valid_primitive = ( !id && validUnit( value, FNumber|FLength|FPercent, strict&(!nonCSSHint) ) );
break;
#if 0
case CSS_PROP_COUNTER_INCREMENT: case CSS_PROP_COUNTER_RESET: if ( id == CSS_VAL_NONE )
valid_primitive = true;
else {
CSSValueListImpl *list = new CSSValueListImpl;
int pos=0, pos2;
while( 1 )
{
pos2 = value.find(',', pos);
QString face = value.mid(pos, pos2-pos);
face = face.stripWhiteSpace();
if(face.length() == 0) break;
if(face[0] == '\"') face.remove(0, 1);
if(face[face.length()-1] == '\"') face = face.left(face.length()-1);
list->append(new CSSPrimitiveValueImpl(DOMString(face), CSSPrimitiveValue::CSS_STRING));
pos = pos2 + 1;
if(pos2 == -1) break;
}
if(list->length()) {
parsedValue = list;
valueList->next();
} else
delete list;
break;
}
#endif
case CSS_PROP_FONT_FAMILY:
{
parsedValue = parseFontFamily();
break;
}
case CSS_PROP_TEXT_DECORATION:
if (id == CSS_VAL_NONE) {
valid_primitive = true;
} else {
CSSValueListImpl *list = new CSSValueListImpl;
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 CSSPrimitiveValueImpl( 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: if ( id == CSS_VAL_AUTO || id == CSS_VAL_FIXED )
valid_primitive = true;
break;
case CSS_PROP__KHTML_FLOW_MODE:
if ( id == CSS_VAL__KHTML_NORMAL || id == CSS_VAL__KHTML_AROUND_FLOATS )
valid_primitive = true;
break;
case CSS_PROP_TEXT_SHADOW: if (id == CSS_VAL_NONE)
valid_primitive = true;
else
return parseShadow(propId, important);
break;
case CSS_PROP__KHTML_OPACITY:
valid_primitive = validUnit(value, FNumber, strict);
break;
case CSS_PROP__KHTML_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__KHTML_BOX_DIRECTION:
if (id == CSS_VAL_NORMAL || id == CSS_VAL_REVERSE)
valid_primitive = true;
break;
case CSS_PROP__KHTML_BOX_LINES:
if (id == CSS_VAL_SINGLE || id == CSS_VAL_MULTIPLE)
valid_primitive = true;
break;
case CSS_PROP__KHTML_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__KHTML_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__KHTML_BOX_FLEX:
valid_primitive = validUnit(value, FNumber, strict);
break;
case CSS_PROP__KHTML_BOX_FLEX_GROUP:
case CSS_PROP__KHTML_BOX_ORDINAL_GROUP:
valid_primitive = validUnit(value, FInteger|FNonNeg, true);
break;
case CSS_PROP_BACKGROUND:
{
#ifdef CSS_DEBUG_BCKGR
kdDebug(6080) << "CSS_PROP_BACKGROUND" << endl;
#endif
const int properties[5] = { CSS_PROP_BACKGROUND_IMAGE, CSS_PROP_BACKGROUND_REPEAT,
CSS_PROP_BACKGROUND_ATTACHMENT, CSS_PROP_BACKGROUND_POSITION,
CSS_PROP_BACKGROUND_COLOR };
return parseShortHand(properties, 5, important);
}
case CSS_PROP_BORDER:
{
const int properties[3] = { CSS_PROP_BORDER_WIDTH, CSS_PROP_BORDER_STYLE,
CSS_PROP_BORDER_COLOR };
return parseShortHand(properties, 3, important);
}
case CSS_PROP_BORDER_TOP:
{
const int properties[3] = { CSS_PROP_BORDER_TOP_WIDTH, CSS_PROP_BORDER_TOP_STYLE,
CSS_PROP_BORDER_TOP_COLOR};
return parseShortHand(properties, 3, important);
}
case CSS_PROP_BORDER_RIGHT:
{
const int properties[3] = { CSS_PROP_BORDER_RIGHT_WIDTH, CSS_PROP_BORDER_RIGHT_STYLE,
CSS_PROP_BORDER_RIGHT_COLOR };
return parseShortHand(properties, 3, important);
}
case CSS_PROP_BORDER_BOTTOM:
{
const int properties[3] = { CSS_PROP_BORDER_BOTTOM_WIDTH, CSS_PROP_BORDER_BOTTOM_STYLE,
CSS_PROP_BORDER_BOTTOM_COLOR };
return parseShortHand(properties, 3, important);
}
case CSS_PROP_BORDER_LEFT:
{
const int properties[3] = { CSS_PROP_BORDER_LEFT_WIDTH, CSS_PROP_BORDER_LEFT_STYLE,
CSS_PROP_BORDER_LEFT_COLOR };
return parseShortHand(properties, 3, important);
}
case CSS_PROP_OUTLINE:
{
const int properties[3] = { CSS_PROP_OUTLINE_WIDTH, CSS_PROP_OUTLINE_STYLE,
CSS_PROP_OUTLINE_COLOR };
return parseShortHand(properties, 3, important);
}
case CSS_PROP_BORDER_COLOR:
{
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(properties, important);
}
case CSS_PROP_BORDER_WIDTH:
{
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(properties, important);
}
case CSS_PROP_BORDER_STYLE:
{
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(properties, important);
}
case CSS_PROP_MARGIN:
{
const int properties[4] = { CSS_PROP_MARGIN_TOP, CSS_PROP_MARGIN_RIGHT,
CSS_PROP_MARGIN_BOTTOM, CSS_PROP_MARGIN_LEFT };
return parse4Values(properties, important);
}
case CSS_PROP_PADDING:
{
const int properties[4] = { CSS_PROP_PADDING_TOP, CSS_PROP_PADDING_RIGHT,
CSS_PROP_PADDING_BOTTOM, CSS_PROP_PADDING_LEFT };
return parse4Values(properties, important);
}
case CSS_PROP_FONT:
if ( id >= CSS_VAL_CAPTION && id <= CSS_VAL_STATUS_BAR )
valid_primitive = true;
else
return parseFont(important);
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(properties, 3, important);
}
default:
break;
}
if ( valid_primitive ) {
if ( id != 0 ) {
parsedValue = new CSSPrimitiveValueImpl( id );
} else if ( value->unit == CSSPrimitiveValue::CSS_STRING )
parsedValue = new CSSPrimitiveValueImpl( domString( value->string ),
(CSSPrimitiveValue::UnitTypes) value->unit );
else if ( value->unit >= CSSPrimitiveValue::CSS_NUMBER &&
value->unit <= CSSPrimitiveValue::CSS_KHZ ) {
parsedValue = new CSSPrimitiveValueImpl( value->fValue,
(CSSPrimitiveValue::UnitTypes) value->unit );
} else if ( value->unit >= Value::Q_EMS ) {
parsedValue = new CSSQuirkPrimitiveValueImpl( value->fValue, CSSPrimitiveValue::CSS_EMS );
}
valueList->next();
}
if ( parsedValue ) {
addProperty( propId, parsedValue, important );
return true;
}
return false;
}
bool CSSParser::parseShortHand( const int *properties, int numProperties, bool important )
{
inParseShortHand = true;
bool found = false;
bool fnd[6]; for( int i = 0; i < numProperties; i++ )
fnd[i] = false;
#ifdef CSS_DEBUG
kdDebug(6080) << "PSH: numProperties=" << numProperties << endl;
#endif
while ( valueList->current() ) {
found = false;
for (int propIndex = 0; !found && propIndex < numProperties; ++propIndex) {
if (!fnd[propIndex]) {
#ifdef CSS_DEBUG
kdDebug(6080) << "LOOKING FOR: " << getPropertyName(properties[propIndex]).string() << endl;
#endif
if ( parseValue( properties[propIndex], important ) ) {
fnd[propIndex] = found = true;
#ifdef CSS_DEBUG
kdDebug(6080) << "FOUND: " << getPropertyName(properties[propIndex]).string() << endl;
#endif
}
}
}
if (!found) {
#ifdef CSS_DEBUG
qDebug("didn't find anything" );
#endif
inParseShortHand = false;
return false;
}
}
inParseShortHand = false;
#ifdef CSS_DEBUG
kdDebug( 6080 ) << "parsed shorthand" << endl;
#endif
return true;
}
bool CSSParser::parse4Values( const int *properties, bool important )
{
int num = inParseShortHand ? 1 : valueList->numValues;
switch( num ) {
case 1: {
if( !parseValue( properties[0], important ) ) return false;
CSSValueImpl *value = parsedProperties[numParsedProperties-1]->value();
addProperty( properties[1], value, important );
addProperty( properties[2], value, important );
addProperty( properties[3], value, important );
return true;
}
case 2: {
if( !parseValue( properties[0], important ) ) return false;
if( !parseValue( properties[1], important ) ) return false;
CSSValueImpl *value = parsedProperties[numParsedProperties-2]->value();
addProperty( properties[2], value, important );
value = parsedProperties[numParsedProperties-2]->value();
addProperty( properties[3], value, important );
return true;
}
case 3: {
if( !parseValue( properties[0], important ) ) return false;
if( !parseValue( properties[1], important ) ) return false;
if( !parseValue( properties[2], important ) ) return false;
CSSValueImpl *value = parsedProperties[numParsedProperties-2]->value();
addProperty( properties[3], value, important );
return true;
}
case 4: {
if( !parseValue( properties[0], important ) ) return false;
if( !parseValue( properties[1], important ) ) return false;
if( !parseValue( properties[2], important ) ) return false;
if( !parseValue( properties[3], important ) ) return false;
return true;
}
default:
return false;
}
}
bool CSSParser::parseContent( int propId, bool important )
{
CSSValueListImpl* values = new CSSValueListImpl();
Value *val;
CSSValueImpl *parsedValue = 0;
while ( (val = valueList->current()) ) {
if ( val->unit == CSSPrimitiveValue::CSS_URI ) {
DOMString value = khtml::parseURL(domString(val->string));
parsedValue = new CSSImageValueImpl(
DOMString(KURL( styleElement->baseURL().string(), value.string()).url() ), styleElement );
#ifdef CSS_DEBUG
kdDebug( 6080 ) << "content, url=" << value.string() << " base=" << styleElement->baseURL().string() << endl;
#endif
} else if ( val->unit == Value::Function ) {
ValueList *args = val->function->args;
QString fname = qString( val->function->name ).lower();
if ( fname != "attr(" || !args )
return false;
if ( args->numValues != 1)
return false;
Value *a = args->current();
parsedValue = new CSSPrimitiveValueImpl(domString(a->string), CSSPrimitiveValue::CSS_ATTR);
} else if ( val->unit == CSSPrimitiveValue::CSS_IDENT ) {
} else if ( val->unit == CSSPrimitiveValue::CSS_STRING ) {
parsedValue = new CSSPrimitiveValueImpl(domString(val->string), CSSPrimitiveValue::CSS_STRING);
}
if (parsedValue)
values->append(parsedValue);
else
break;
valueList->next();
}
if ( values->length() ) {
addProperty( propId, values, important );
valueList->next();
return true;
}
delete values;
return false;
}
bool CSSParser::parseShape( int propId, bool important )
{
Value *value = valueList->current();
ValueList *args = value->function->args;
QString fname = qString( value->function->name ).lower();
if ( fname != "rect(" || !args )
return false;
if ( args->numValues != 4 && args->numValues != 7 )
return false;
RectImpl *rect = new RectImpl();
bool valid = true;
int i = 0;
Value *a = args->current();
while ( a ) {
valid = validUnit( a, FLength, strict );
if ( !valid )
break;
CSSPrimitiveValueImpl *length =
new CSSPrimitiveValueImpl( 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->numValues == 7 ) {
if ( a->unit == Value::Operator && a->iValue == ',' ) {
a = args->next();
} else {
valid = false;
break;
}
}
i++;
}
if ( valid ) {
addProperty( propId, new CSSPrimitiveValueImpl( rect ), important );
valueList->next();
return true;
}
delete rect;
return false;
}
bool CSSParser::parseFont( bool important )
{
bool valid = true;
Value *value = valueList->current();
FontValueImpl *font = new FontValueImpl;
while ( value ) {
int id = value->id;
if ( id ) {
if ( id == CSS_VAL_NORMAL ) {
}
else if ( id == CSS_VAL_ITALIC || id == CSS_VAL_OBLIQUE ) {
if ( font->style )
goto invalid;
font->style = new CSSPrimitiveValueImpl( id );
} else if ( id == CSS_VAL_SMALL_CAPS ) {
if ( font->variant )
goto invalid;
font->variant = new CSSPrimitiveValueImpl( id );
} else if ( id >= CSS_VAL_BOLD && id <= CSS_VAL_LIGHTER ) {
if ( font->weight )
goto invalid;
font->weight = new CSSPrimitiveValueImpl( 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 CSSPrimitiveValueImpl( val );
else
valid = false;
} else {
valid = false;
}
if ( !valid )
break;
value = valueList->next();
}
if ( !value )
goto invalid;
if ( !font->style )
font->style = new CSSPrimitiveValueImpl( CSS_VAL_NORMAL );
if ( !font->variant )
font->variant = new CSSPrimitiveValueImpl( CSS_VAL_NORMAL );
if ( !font->weight )
font->weight = new CSSPrimitiveValueImpl( CSS_VAL_NORMAL );
if ( value->id >= CSS_VAL_XX_SMALL && value->id <= CSS_VAL_LARGER )
font->size = new CSSPrimitiveValueImpl( value->id );
else if ( validUnit( value, FLength|FPercent, strict ) ) {
font->size = new CSSPrimitiveValueImpl( value->fValue, (CSSPrimitiveValue::UnitTypes) value->unit );
}
value = valueList->next();
if ( !font->size || !value )
goto invalid;
if ( value->unit == Value::Operator && value->iValue == '/' ) {
value = valueList->next();
if ( !value )
goto invalid;
if ( value->id == CSS_VAL_NORMAL ) {
} else if ( validUnit( value, FNumber|FLength|FPercent, strict ) ) {
font->lineHeight = new CSSPrimitiveValueImpl( value->fValue, (CSSPrimitiveValue::UnitTypes) value->unit );
} else {
goto invalid;
}
value = valueList->next();
if ( !value )
goto invalid;
} else {
font->lineHeight = new CSSPrimitiveValueImpl( CSS_VAL_NORMAL );
}
font->family = parseFontFamily();
if ( valueList->current() || !font->family )
goto invalid;
addProperty( CSS_PROP_FONT, font, important );
return true;
invalid:
delete font;
return false;
}
CSSValueListImpl *CSSParser::parseFontFamily()
{
CSSValueListImpl *list = new CSSValueListImpl;
Value *value = valueList->current();
FontFamilyValueImpl* 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__KHTML_BODY) ||
(nextValue->unit == CSSPrimitiveValue::CSS_STRING || nextValue->unit == CSSPrimitiveValue::CSS_IDENT));
if (value->id >= CSS_VAL_SERIF && value->id <= CSS_VAL__KHTML_BODY) {
if (currFamily) {
currFamily->parsedFontName += ' ';
currFamily->parsedFontName += qString(value->string);
}
else if (nextValBreaksFont || !nextValIsFontName)
list->append(new CSSPrimitiveValueImpl(value->id));
else
list->append(currFamily = new FontFamilyValueImpl(qString( value->string)));
}
else if (value->unit == CSSPrimitiveValue::CSS_STRING) {
currFamily = 0;
list->append(new FontFamilyValueImpl(qString( value->string)));
}
else if (value->unit == CSSPrimitiveValue::CSS_IDENT) {
if (currFamily) {
currFamily->parsedFontName += ' ';
currFamily->parsedFontName += qString(value->string);
}
else if (nextValBreaksFont || !nextValIsFontName)
list->append(new FontFamilyValueImpl(qString( value->string)));
else
list->append(currFamily = new FontFamilyValueImpl(qString(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;
}
static bool parseColor(const QString &name, QRgb& rgb)
{
int len = name.length();
if ( !len )
return false;
bool ok;
if ( len == 3 || len == 6 ) {
int val = name.toInt(&ok, 16);
if ( ok ) {
if (len == 6) {
rgb = (0xff << 24) | val;
return true;
}
else if ( len == 3 ) {
rgb = (0xff << 24) |
(val&0xf00)<<12 | (val&0xf00)<<8 |
(val&0xf0)<<8 | (val&0xf0)<<4 |
(val&0xf)<<4 | (val&0xf);
return true;
}
}
}
QColor tc;
tc.setNamedColor(name.lower());
if (tc.isValid()) {
rgb = tc.rgb();
return true;
}
return false;
}
CSSPrimitiveValueImpl *CSSParser::parseColor()
{
return parseColorFromValue(valueList->current());
}
CSSPrimitiveValueImpl *CSSParser::parseColorFromValue(Value* value)
{
QRgb c = khtml::transparentColor;
if ( !strict && value->unit == CSSPrimitiveValue::CSS_NUMBER &&
value->fValue >= 0. && value->fValue < 1000000. ) {
QString str;
str.sprintf( "%06d", (int)(value->fValue+.5) );
if (!::parseColor( str, c ))
return 0;
} else if ( value->unit == CSSPrimitiveValue::CSS_RGBCOLOR ||
value->unit == CSSPrimitiveValue::CSS_IDENT ||
value->unit == CSSPrimitiveValue::CSS_DIMENSION ) {
if (!::parseColor( qString( value->string ), c))
return 0;
}
else if ( value->unit == Value::Function &&
value->function->args != 0 &&
value->function->args->numValues == 5 &&
qString( value->function->name ).lower() == "rgb(" ) {
ValueList *args = value->function->args;
Value *v = args->current();
if ( !validUnit( v, FInteger|FPercent, true ) )
return 0;
int r = (int) ( v->fValue * (v->unit == CSSPrimitiveValue::CSS_PERCENTAGE ? 256./100. : 1.) );
v = args->next();
if ( v->unit != Value::Operator && v->iValue != ',' )
return 0;
v = args->next();
if ( !validUnit( v, FInteger|FPercent, true ) )
return 0;
int g = (int) ( v->fValue * (v->unit == CSSPrimitiveValue::CSS_PERCENTAGE ? 256./100. : 1.) );
v = args->next();
if ( v->unit != Value::Operator && v->iValue != ',' )
return 0;
v = args->next();
if ( !validUnit( v, FInteger|FPercent, true ) )
return 0;
int b = (int) ( v->fValue * (v->unit == CSSPrimitiveValue::CSS_PERCENTAGE ? 256./100. : 1.) );
r = QMAX( 0, QMIN( 255, r ) );
g = QMAX( 0, QMIN( 255, g ) );
b = QMAX( 0, QMIN( 255, b ) );
c = qRgb( r, g, b );
}
else if ( value->unit == Value::Function &&
value->function->args != 0 &&
value->function->args->numValues == 7 &&
qString( value->function->name ).lower() == "rgba(" ) {
ValueList *args = value->function->args;
Value *v = args->current();
if ( !validUnit( v, FInteger|FPercent, true ) )
return 0;
int r = (int) ( v->fValue * (v->unit == CSSPrimitiveValue::CSS_PERCENTAGE ? 256./100. : 1.) );
v = args->next();
if ( v->unit != Value::Operator && v->iValue != ',' )
return 0;
v = args->next();
if ( !validUnit( v, FInteger|FPercent, true ) )
return 0;
int g = (int) ( v->fValue * (v->unit == CSSPrimitiveValue::CSS_PERCENTAGE ? 256./100. : 1.) );
v = args->next();
if ( v->unit != Value::Operator && v->iValue != ',' )
return 0;
v = args->next();
if ( !validUnit( v, FInteger|FPercent, true ) )
return 0;
int b = (int) ( v->fValue * (v->unit == CSSPrimitiveValue::CSS_PERCENTAGE ? 256./100. : 1.) );
v = args->next();
if ( v->unit != Value::Operator && v->iValue != ',' )
return 0;
v = args->next();
if ( !validUnit( v, FNumber, true ) )
return 0;
r = QMAX( 0, QMIN( 255, r ) );
g = QMAX( 0, QMIN( 255, g ) );
b = QMAX( 0, QMIN( 255, b ) );
int a = (int)(QMAX( 0, QMIN( 1.0f, v->fValue ) ) * 255);
c = qRgba( r, g, b, a );
}
else
return 0;
return new CSSPrimitiveValueImpl(c);
}
struct ShadowParseContext {
ShadowParseContext()
:values(0), x(0), y(0), blur(0), color(0),
allowX(true), allowY(false), allowBlur(false), allowColor(true),
allowBreak(true)
{}
~ShadowParseContext() {
if (!allowBreak) {
delete values;
delete x;
delete y;
delete blur;
delete color;
}
}
bool allowLength() { return allowX || allowY || allowBlur; }
bool failed() { return allowBreak = false; }
void commitValue() {
if (x || y || blur || color) {
if (!values)
values = new CSSValueListImpl();
values->append(new ShadowValueImpl(x, y, blur, color));
}
x = y = blur = color = 0;
allowX = allowColor = allowBreak = true;
allowY = allowBlur = false;
}
void commitLength(Value* v) {
CSSPrimitiveValueImpl* val = new CSSPrimitiveValueImpl(v->fValue,
(CSSPrimitiveValue::UnitTypes)v->unit);
if (allowX) {
x = val;
allowX = false; allowY = true; allowColor = false; allowBreak = false;
}
else if (allowY) {
y = val;
allowY = false; allowBlur = true; allowColor = true; allowBreak = true;
}
else if (allowBlur) {
blur = val;
allowBlur = false;
}
}
void commitColor(CSSPrimitiveValueImpl* val) {
color = val;
allowColor = false;
if (allowX)
allowBreak = false;
else
allowBlur = false;
}
CSSValueListImpl* values;
bool succeeded;
CSSPrimitiveValueImpl* x;
CSSPrimitiveValueImpl* y;
CSSPrimitiveValueImpl* blur;
CSSPrimitiveValueImpl* 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())) {
if (val->unit == Value::Operator) {
if (val->iValue != ',' || !context.allowBreak)
return context.failed();
context.commitValue();
}
else if (validUnit(val, FLength, true)) {
if (!context.allowLength())
return context.failed();
context.commitLength(val);
}
else {
CSSPrimitiveValueImpl* parsedColor = 0;
bool isColor = (val->id >= CSS_VAL_AQUA && val->id <= CSS_VAL_WINDOWTEXT || val->id == CSS_VAL_MENU ||
(val->id >= CSS_VAL_GREY && val->id <= CSS_VAL__KHTML_TEXT && (nonCSSHint|!strict)));
if (isColor) {
if (!context.allowColor)
return context.failed();
parsedColor = new CSSPrimitiveValueImpl(val->id);
}
if (!parsedColor)
parsedColor = parseColorFromValue(val);
if (!parsedColor || !context.allowColor)
return context.failed();
context.commitColor(parsedColor);
}
valueList->next();
}
if (context.allowBreak) {
context.commitValue();
if (context.values->length()) {
addProperty(propId, context.values, important);
valueList->next();
return true;
}
}
return context.failed();
}
static inline int yyerror( const char *str ) {
#ifdef CSS_DEBUG
kdDebug( 6080 ) << "CSS parse error " << str << endl;
#else
Q_UNUSED( str );
#endif
return 1;
}
#define END 0
#include "parser.h"
int DOM::CSSParser::lex( void *_yylval ) {
YYSTYPE *yylval = (YYSTYPE *)_yylval;
int token = lex();
int length;
unsigned short *t = text( &length );
#ifdef TOKEN_DEBUG
qDebug("CSSTokenizer: got token %d: '%s'", token, token == END ? "" : QString( (QChar *)t, length ).latin1() );
#endif
switch( token ) {
case S:
case SGML_CD:
case INCLUDES:
case DASHMATCH:
break;
case URI:
case STRING:
case IDENT:
case HASH:
case DIMEN:
case UNICODERANGE:
case FUNCTION:
yylval->string.string = t;
yylval->string.length = length;
break;
case IMPORT_SYM:
case PAGE_SYM:
case MEDIA_SYM:
case FONT_FACE_SYM:
case CHARSET_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 NUMBER:
yylval->val = QString( (QChar *)t, length ).toDouble();
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;
}
unsigned short *DOM::CSSParser::text(int *length)
{
unsigned short *start = yytext;
int l = yyleng;
switch( yyTok ) {
case STRING:
l--;
case HASH:
start++;
l--;
break;
case URI:
start += 4;
l -= 5;
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;
}
unsigned short *out = start;
unsigned short *escape = 0;
for ( int i = 0; i < l; i++ ) {
unsigned short *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' ) ) {
if ( *current != '\r' )
escape = 0;
continue;
}
*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 ) {
int uc = 0;
escape++;
while ( escape < current ) {
uc *= 16;
uc += toHex( *escape );
escape++;
}
if ( uc > 0xffff )
uc = 0xfffd;
*(out++) = (unsigned short)uc;
escape = 0;
if ( *current == ' ' ||
*current == '\t' ||
*current == '\r' ||
*current == '\n' ||
*current == '\f' )
continue;
}
if ( !escape && *current == '\\' ) {
escape = current;
continue;
}
*(out++) = *current;
}
if ( escape ) {
int uc = 0;
escape++;
while ( escape < start+l ) {
uc *= 16;
uc += toHex( *escape );
escape++;
}
if ( uc > 0xffff )
uc = 0xfffd;
*(out++) = (unsigned short)uc;
}
*length = out - start;
return start;
}
#define YY_DECL int DOM::CSSParser::lex()
#define yyconst const
typedef int yy_state_type;
typedef unsigned int YY_CHAR;
#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 qDebug( "%s", QString( (QChar *)yytext, yyleng ).latin1() )
#define YY_RULE_SETUP
#define INITIAL 0
#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
#define yyterminate() yyTok = END; return yyTok
#define YY_FATAL_ERROR(a) qFatal(a)
#define BEGIN yy_start = 1 + 2 *
#define COMMENT 1
#include "tokenizer.cpp"