HTMLFontElement.cpp [plain text]
#include "config.h"
#include "HTMLFontElement.h"
#include "CSSPropertyNames.h"
#include "CSSValueKeywords.h"
#include "HTMLNames.h"
using namespace WTF;
namespace WebCore {
using namespace HTMLNames;
HTMLFontElement::HTMLFontElement(const QualifiedName& tagName, Document* document)
: HTMLElement(tagName, document)
{
ASSERT(hasTagName(fontTag));
}
static bool parseFontSizeNumber(const String& s, int& size)
{
unsigned pos = 0;
while (isSpaceOrNewline(s[pos]))
++pos;
bool sawPlus = false;
bool sawMinus = false;
if (s[pos] == '+') {
++pos;
sawPlus = true;
} else if (s[pos] == '-') {
++pos;
sawMinus = true;
}
if (!isASCIIDigit(s[pos]))
return false;
int num = s[pos++] - '0';
if (isASCIIDigit(s[pos]))
num = 10;
if (sawPlus) {
size = num + 3;
return true;
}
if (sawMinus) {
size = num == 1 ? 2 : 1;
return true;
}
size = num;
return true;
}
bool HTMLFontElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const
{
if (attrName == sizeAttr ||
attrName == colorAttr ||
attrName == faceAttr) {
result = eUniversal;
return false;
}
return HTMLElement::mapToEntry(attrName, result);
}
bool HTMLFontElement::cssValueFromFontSizeNumber(const String& s, int& size)
{
int num;
if (!parseFontSizeNumber(s, num))
return false;
switch (num) {
case 2:
size = CSSValueSmall;
break;
case 0: case 3:
size = CSSValueMedium;
break;
case 4:
size = CSSValueLarge;
break;
case 5:
size = CSSValueXLarge;
break;
case 6:
size = CSSValueXxLarge;
break;
default:
if (num > 6)
size = CSSValueWebkitXxxLarge;
else
size = CSSValueXSmall;
}
return true;
}
void HTMLFontElement::parseMappedAttribute(MappedAttribute *attr)
{
if (attr->name() == sizeAttr) {
int size;
if (cssValueFromFontSizeNumber(attr->value(), size))
addCSSProperty(attr, CSSPropertyFontSize, size);
} else if (attr->name() == colorAttr) {
addCSSColor(attr, CSSPropertyColor, attr->value());
} else if (attr->name() == faceAttr) {
addCSSProperty(attr, CSSPropertyFontFamily, attr->value());
} else
HTMLElement::parseMappedAttribute(attr);
}
String HTMLFontElement::color() const
{
return getAttribute(colorAttr);
}
void HTMLFontElement::setColor(const String& value)
{
setAttribute(colorAttr, value);
}
String HTMLFontElement::face() const
{
return getAttribute(faceAttr);
}
void HTMLFontElement::setFace(const String& value)
{
setAttribute(faceAttr, value);
}
String HTMLFontElement::size() const
{
return getAttribute(sizeAttr);
}
void HTMLFontElement::setSize(const String& value)
{
setAttribute(sizeAttr, value);
}
}