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, ')');
}
void SVGViewSpec::reset()
{
resetZoomAndPan();
m_transform->baseValue()->clear();
updateViewBox(FloatRect());
ASSERT(preserveAspectRatio());
preserveAspectRatio()->baseValue()->setAlign(SVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMIDYMID);
preserveAspectRatio()->baseValue()->setMeetOrSlice(SVGPreserveAspectRatio::SVG_MEETORSLICE_MEET);
m_viewTargetString = emptyString();
}
void SVGViewSpec::reset() {
resetZoomAndPan();
m_transform->baseValue()->clear();
updateViewBox(FloatRect());
ASSERT(preserveAspectRatio());
preserveAspectRatio()->baseValue()->setAlign(
SVGPreserveAspectRatio::kSvgPreserveaspectratioXmidymid);
preserveAspectRatio()->baseValue()->setMeetOrSlice(
SVGPreserveAspectRatio::kSvgMeetorsliceMeet);
m_viewTargetString = emptyString();
}
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;
}
