bool SVGViewSpec::parseViewSpecInternal(const CharType* ptr,
const CharType* end) {
if (!skipToken(ptr, end, "svgView"))
return false;
if (!skipExactly<CharType>(ptr, end, '('))
return false;
while (ptr < end && *ptr != ')') {
ViewSpecFunctionType functionType = scanViewSpecFunction(ptr, end);
if (functionType == Unknown)
return false;
if (!skipExactly<CharType>(ptr, end, '('))
return false;
switch (functionType) {
case ViewBox: {
float x = 0.0f;
float y = 0.0f;
float width = 0.0f;
float height = 0.0f;
if (!(parseNumber(ptr, end, x) && parseNumber(ptr, end, y) &&
parseNumber(ptr, end, width) &&
parseNumber(ptr, end, height, DisallowWhitespace)))
return false;
updateViewBox(FloatRect(x, y, width, height));
break;
}
case ViewTarget: {
const CharType* viewTargetStart = ptr;
skipUntil<CharType>(ptr, end, ')');
if (ptr == viewTargetStart)
return false;
m_viewTargetString = String(viewTargetStart, ptr - viewTargetStart);
break;
}
case ZoomAndPan:
if (!parseZoomAndPan(ptr, end))
return false;
break;
case PreserveAspectRatio:
if (!preserveAspectRatio()->baseValue()->parse(ptr, end, false))
return false;
break;
case Transform:
m_transform->baseValue()->parse(ptr, end);
break;
default:
NOTREACHED();
break;
}
if (!skipExactly<CharType>(ptr, end, ')'))
return false;
skipExactly<CharType>(ptr, end, ';');
}
return skipExactly<CharType>(ptr, end, ')');
}
bool SVGZoomAndPan::parseMappedAttribute(Attribute* attr)
{
if (attr->name() == SVGNames::zoomAndPanAttr) {
const UChar* start = attr->value().characters();
const UChar* end = start + attr->value().length();
parseZoomAndPan(start, end);
return true;
}
return false;
}
bool SVGViewSpec::parseViewSpec(const String& viewSpec)
{
const UChar* currViewSpec = viewSpec.deprecatedCharacters();
const UChar* end = currViewSpec + viewSpec.length();
if (currViewSpec >= end || !m_contextElement)
return false;
if (!skipString(currViewSpec, end, svgViewSpec, WTF_ARRAY_LENGTH(svgViewSpec)))
return false;
if (currViewSpec >= end || *currViewSpec != '(')
return false;
currViewSpec++;
while (currViewSpec < end && *currViewSpec != ')') {
if (*currViewSpec == 'v') {
if (skipString(currViewSpec, end, viewBoxSpec, WTF_ARRAY_LENGTH(viewBoxSpec))) {
if (currViewSpec >= end || *currViewSpec != '(')
return false;
currViewSpec++;
FloatRect viewBox;
if (!SVGFitToViewBox::parseViewBox(&m_contextElement->document(), currViewSpec, end, viewBox, false))
return false;
setViewBoxBaseValue(viewBox);
if (currViewSpec >= end || *currViewSpec != ')')
return false;
currViewSpec++;
} else if (skipString(currViewSpec, end, viewTargetSpec, WTF_ARRAY_LENGTH(viewTargetSpec))) {
if (currViewSpec >= end || *currViewSpec != '(')
return false;
const UChar* viewTargetStart = ++currViewSpec;
while (currViewSpec < end && *currViewSpec != ')')
currViewSpec++;
if (currViewSpec >= end)
return false;
setViewTargetString(String(viewTargetStart, currViewSpec - viewTargetStart));
currViewSpec++;
} else
return false;
} else if (*currViewSpec == 'z') {
if (!skipString(currViewSpec, end, zoomAndPanSpec, WTF_ARRAY_LENGTH(zoomAndPanSpec)))
return false;
if (currViewSpec >= end || *currViewSpec != '(')
return false;
currViewSpec++;
if (!parseZoomAndPan(currViewSpec, end, m_zoomAndPan))
return false;
if (currViewSpec >= end || *currViewSpec != ')')
return false;
currViewSpec++;
} else if (*currViewSpec == 'p') {
if (!skipString(currViewSpec, end, preserveAspectRatioSpec, WTF_ARRAY_LENGTH(preserveAspectRatioSpec)))
return false;
if (currViewSpec >= end || *currViewSpec != '(')
return false;
currViewSpec++;
SVGPreserveAspectRatio preserveAspectRatio;
if (!preserveAspectRatio.parse(currViewSpec, end, false))
return false;
setPreserveAspectRatioBaseValue(preserveAspectRatio);
if (currViewSpec >= end || *currViewSpec != ')')
return false;
currViewSpec++;
} else if (*currViewSpec == 't') {
if (!skipString(currViewSpec, end, transformSpec, WTF_ARRAY_LENGTH(transformSpec)))
return false;
if (currViewSpec >= end || *currViewSpec != '(')
return false;
currViewSpec++;
SVGTransformable::parseTransformAttribute(m_transform, currViewSpec, end, SVGTransformable::DoNotClearList);
if (currViewSpec >= end || *currViewSpec != ')')
return false;
currViewSpec++;
} else
return false;
if (currViewSpec < end && *currViewSpec == ';')
currViewSpec++;
}
if (currViewSpec >= end || *currViewSpec != ')')
return false;
return true;
}
bool SVGViewSpec::parseViewSpecInternal(const CharType* ptr, const CharType* end)
{
if (!skipString(ptr, end, svgViewSpec, WTF_ARRAY_LENGTH(svgViewSpec)))
return false;
if (ptr >= end || *ptr != '(')
return false;
ptr++;
while (ptr < end && *ptr != ')') {
if (*ptr == 'v') {
if (skipString(ptr, end, viewBoxSpec, WTF_ARRAY_LENGTH(viewBoxSpec))) {
if (ptr >= end || *ptr != '(')
return false;
ptr++;
float x = 0.0f;
float y = 0.0f;
float width = 0.0f;
float height = 0.0f;
if (!(parseNumber(ptr, end, x) && parseNumber(ptr, end, y) && parseNumber(ptr, end, width) && parseNumber(ptr, end, height, DisallowWhitespace)))
return false;
updateViewBox(FloatRect(x, y, width, height));
if (ptr >= end || *ptr != ')')
return false;
ptr++;
} else if (skipString(ptr, end, viewTargetSpec, WTF_ARRAY_LENGTH(viewTargetSpec))) {
if (ptr >= end || *ptr != '(')
return false;
const CharType* viewTargetStart = ++ptr;
while (ptr < end && *ptr != ')')
ptr++;
if (ptr >= end)
return false;
m_viewTargetString = String(viewTargetStart, ptr - viewTargetStart);
ptr++;
} else
return false;
} else if (*ptr == 'z') {
if (!skipString(ptr, end, zoomAndPanSpec, WTF_ARRAY_LENGTH(zoomAndPanSpec)))
return false;
if (ptr >= end || *ptr != '(')
return false;
ptr++;
if (!parseZoomAndPan(ptr, end))
return false;
if (ptr >= end || *ptr != ')')
return false;
ptr++;
} else if (*ptr == 'p') {
if (!skipString(ptr, end, preserveAspectRatioSpec, WTF_ARRAY_LENGTH(preserveAspectRatioSpec)))
return false;
if (ptr >= end || *ptr != '(')
return false;
ptr++;
if (!preserveAspectRatio()->baseValue()->parse(ptr, end, false))
return false;
if (ptr >= end || *ptr != ')')
return false;
ptr++;
} else if (*ptr == 't') {
if (!skipString(ptr, end, transformSpec, WTF_ARRAY_LENGTH(transformSpec)))
return false;
if (ptr >= end || *ptr != '(')
return false;
ptr++;
m_transform->baseValue()->parse(ptr, end);
if (ptr >= end || *ptr != ')')
return false;
ptr++;
} else
return false;
if (ptr < end && *ptr == ';')
ptr++;
}
if (ptr >= end || *ptr != ')')
return false;
return true;
}
bool SVGViewSpec::parseViewSpec(const String& viewSpec)
{
const UChar* currViewSpec = viewSpec.characters();
const UChar* end = currViewSpec + viewSpec.length();
if (currViewSpec >= end)
return false;
if (!skipString(currViewSpec, end, svgViewSpec, sizeof(svgViewSpec) / sizeof(UChar)))
return false;
if (currViewSpec >= end || *currViewSpec != '(' )
return false;
currViewSpec++;
while (currViewSpec < end && *currViewSpec != ')') {
if (*currViewSpec == 'v') {
if (skipString(currViewSpec, end, viewBoxSpec, sizeof(viewBoxSpec) / sizeof(UChar))) {
if (currViewSpec >= end || *currViewSpec != '(')
return false;
currViewSpec++;
float x, y, w, h;
if (!parseViewBox(currViewSpec, end, x, y, w, h, false))
return false;
setViewBoxBaseValue(FloatRect(x, y, w, h));
if (currViewSpec >= end || *currViewSpec != ')')
return false;
currViewSpec++;
} else if (skipString(currViewSpec, end, viewTargetSpec, sizeof(viewTargetSpec) / sizeof(UChar))) {
if (currViewSpec >= end || *currViewSpec != '(')
return false;
const UChar* viewTargetStart = ++currViewSpec;
while (currViewSpec < end && *currViewSpec != ')')
currViewSpec++;
if (currViewSpec >= end)
return false;
setViewTargetString(String(viewTargetStart, currViewSpec - viewTargetStart));
currViewSpec++;
} else
return false;
} else if (*currViewSpec == 'z') {
if (!skipString(currViewSpec, end, zoomAndPanSpec, sizeof(zoomAndPanSpec) / sizeof(UChar)))
return false;
if (currViewSpec >= end || *currViewSpec != '(')
return false;
currViewSpec++;
if (!parseZoomAndPan(currViewSpec, end))
return false;
if (currViewSpec >= end || *currViewSpec != ')')
return false;
currViewSpec++;
} else if (*currViewSpec == 'p') {
if (!skipString(currViewSpec, end, preserveAspectRatioSpec, sizeof(preserveAspectRatioSpec) / sizeof(UChar)))
return false;
if (currViewSpec >= end || *currViewSpec != '(')
return false;
currViewSpec++;
if (!preserveAspectRatioBaseValue()->parsePreserveAspectRatio(currViewSpec, end, false))
return false;
if (currViewSpec >= end || *currViewSpec != ')')
return false;
currViewSpec++;
} else if (*currViewSpec == 't') {
if (!skipString(currViewSpec, end, transformSpec, sizeof(transformSpec) / sizeof(UChar)))
return false;
if (currViewSpec >= end || *currViewSpec != '(')
return false;
currViewSpec++;
SVGTransformable::parseTransformAttribute(m_transform.get(), currViewSpec, end);
if (currViewSpec >= end || *currViewSpec != ')')
return false;
currViewSpec++;
} else
return false;
if (currViewSpec < end && *currViewSpec == ';')
currViewSpec++;
}
if (currViewSpec >= end || *currViewSpec != ')')
return false;
return true;
}
bool SVGViewSpec::parseViewSpec(const String& viewSpec)
{
const UChar* currViewSpec = viewSpec.characters();
const UChar* end = currViewSpec + viewSpec.length();
if (currViewSpec >= end)
return false;
if (!skipString(currViewSpec, end, svgViewSpec, sizeof(svgViewSpec) / sizeof(UChar)))
return false;
if (currViewSpec >= end || *currViewSpec != '(' )
return false;
currViewSpec++;
while (currViewSpec < end && *currViewSpec != ')') {
if (*currViewSpec == 'v') {
if (skipString(currViewSpec, end, viewBoxSpec, sizeof(viewBoxSpec) / sizeof(UChar))) {
if (currViewSpec >= end || *currViewSpec != '(')
return false;
currViewSpec++;
FloatRect viewBox;
if (!parseViewBox(m_contextElement->document(), currViewSpec, end, viewBox, false))
return false;
setViewBoxBaseValue(viewBox);
if (currViewSpec >= end || *currViewSpec != ')')
return false;
currViewSpec++;
} else if (skipString(currViewSpec, end, viewTargetSpec, sizeof(viewTargetSpec) / sizeof(UChar))) {
if (currViewSpec >= end || *currViewSpec != '(')
return false;
const UChar* viewTargetStart = ++currViewSpec;
while (currViewSpec < end && *currViewSpec != ')')
currViewSpec++;
if (currViewSpec >= end)
return false;
setViewTargetString(String(viewTargetStart, currViewSpec - viewTargetStart));
currViewSpec++;
} else
return false;
} else if (*currViewSpec == 'z') {
if (!skipString(currViewSpec, end, zoomAndPanSpec, sizeof(zoomAndPanSpec) / sizeof(UChar)))
return false;
if (currViewSpec >= end || *currViewSpec != '(')
return false;
currViewSpec++;
if (!parseZoomAndPan(currViewSpec, end))
return false;
if (currViewSpec >= end || *currViewSpec != ')')
return false;
currViewSpec++;
} else if (*currViewSpec == 'p') {
if (!skipString(currViewSpec, end, preserveAspectRatioSpec, sizeof(preserveAspectRatioSpec) / sizeof(UChar)))
return false;
if (currViewSpec >= end || *currViewSpec != '(')
return false;
currViewSpec++;
bool result = false;
setPreserveAspectRatioBaseValue(SVGPreserveAspectRatio::parsePreserveAspectRatio(currViewSpec, end, false, result));
if (!result)
return false;
if (currViewSpec >= end || *currViewSpec != ')')
return false;
currViewSpec++;
} else if (*currViewSpec == 't') {
if (!skipString(currViewSpec, end, transformSpec, sizeof(transformSpec) / sizeof(UChar)))
return false;
if (currViewSpec >= end || *currViewSpec != '(')
return false;
currViewSpec++;
SVGTransformable::parseTransformAttribute(m_transform.get(), currViewSpec, end, SVGTransformable::DoNotClearList);
if (currViewSpec >= end || *currViewSpec != ')')
return false;
currViewSpec++;
} else
return false;
if (currViewSpec < end && *currViewSpec == ';')
currViewSpec++;
}
if (currViewSpec >= end || *currViewSpec != ')')
return false;
return true;
}
