svg.js: lift Source & Builder Class outta _parsePath func for less GC
Change-Id: Id45021a7a7aa4c60d59afa86363d0bd54a7948ff
Reviewed-on: https://gerrit.libreoffice.org/37638
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>
Tested-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>
diff --git a/filter/source/svg/presentation_engine.js b/filter/source/svg/presentation_engine.js
index f7912c3..f6db576 100644
--- a/filter/source/svg/presentation_engine.js
+++ b/filter/source/svg/presentation_engine.js
@@ -1317,6 +1317,314 @@ function configureDetectionTools()
return string;
};
var Source = function(string) {
this._string = string;
this._currentIndex = 0;
this._endIndex = this._string.length;
this._previousCommand = SVGPathSeg.PATHSEG_UNKNOWN;
this._skipOptionalSpaces();
};
Source.prototype._isCurrentSpace = function() {
var character = this._string[this._currentIndex];
return character <= ' ' && (character == ' ' || character == '\n' || character == '\t' || character == '\r' || character == '\f');
};
Source.prototype._skipOptionalSpaces = function() {
while (this._currentIndex < this._endIndex && this._isCurrentSpace())
this._currentIndex++;
return this._currentIndex < this._endIndex;
};
Source.prototype._skipOptionalSpacesOrDelimiter = function() {
if (this._currentIndex < this._endIndex && !this._isCurrentSpace() && this._string.charAt(this._currentIndex) != ',')
return false;
if (this._skipOptionalSpaces()) {
if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == ',') {
this._currentIndex++;
this._skipOptionalSpaces();
}
}
return this._currentIndex < this._endIndex;
};
Source.prototype.hasMoreData = function() {
return this._currentIndex < this._endIndex;
};
Source.prototype.peekSegmentType = function() {
var lookahead = this._string[this._currentIndex];
return this._pathSegTypeFromChar(lookahead);
};
Source.prototype._pathSegTypeFromChar = function(lookahead) {
switch (lookahead) {
case 'Z':
case 'z':
return SVGPathSeg.PATHSEG_CLOSEPATH;
case 'M':
return SVGPathSeg.PATHSEG_MOVETO_ABS;
case 'm':
return SVGPathSeg.PATHSEG_MOVETO_REL;
case 'L':
return SVGPathSeg.PATHSEG_LINETO_ABS;
case 'l':
return SVGPathSeg.PATHSEG_LINETO_REL;
case 'C':
return SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;
case 'c':
return SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;
case 'Q':
return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;
case 'q':
return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;
case 'A':
return SVGPathSeg.PATHSEG_ARC_ABS;
case 'a':
return SVGPathSeg.PATHSEG_ARC_REL;
case 'H':
return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;
case 'h':
return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;
case 'V':
return SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;
case 'v':
return SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;
case 'S':
return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;
case 's':
return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;
case 'T':
return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;
case 't':
return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;
default:
return SVGPathSeg.PATHSEG_UNKNOWN;
}
};
Source.prototype._nextCommandHelper = function(lookahead, previousCommand) {
// Check for remaining coordinates in the current command.
if ((lookahead == '+' || lookahead == '-' || lookahead == '.' || (lookahead >= '0' && lookahead <= '9')) && previousCommand != SVGPathSeg.PATHSEG_CLOSEPATH) {
if (previousCommand == SVGPathSeg.PATHSEG_MOVETO_ABS)
return SVGPathSeg.PATHSEG_LINETO_ABS;
if (previousCommand == SVGPathSeg.PATHSEG_MOVETO_REL)
return SVGPathSeg.PATHSEG_LINETO_REL;
return previousCommand;
}
return SVGPathSeg.PATHSEG_UNKNOWN;
};
Source.prototype.initialCommandIsMoveTo = function() {
// If the path is empty it is still valid, so return true.
if (!this.hasMoreData())
return true;
var command = this.peekSegmentType();
// Path must start with moveTo.
return command == SVGPathSeg.PATHSEG_MOVETO_ABS || command == SVGPathSeg.PATHSEG_MOVETO_REL;
};
// Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.
// Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-PathDataBNF
Source.prototype._parseNumber = function() {
var exponent = 0;
var integer = 0;
var frac = 1;
var decimal = 0;
var sign = 1;
var expsign = 1;
var startIndex = this._currentIndex;
this._skipOptionalSpaces();
// Read the sign.
if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == '+')
this._currentIndex++;
else if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == '-') {
this._currentIndex++;
sign = -1;
}
if (this._currentIndex == this._endIndex || ((this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') && this._string.charAt(this._currentIndex) != '.'))
// The first character of a number must be one of [0-9+-.].
return undefined;
// Read the integer part, build right-to-left.
var startIntPartIndex = this._currentIndex;
while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9')
this._currentIndex++; // Advance to first non-digit.
if (this._currentIndex != startIntPartIndex) {
var scanIntPartIndex = this._currentIndex - 1;
var multiplier = 1;
while (scanIntPartIndex >= startIntPartIndex) {
integer += multiplier * (this._string.charAt(scanIntPartIndex--) - '0');
multiplier *= 10;
}
}
// Read the decimals.
if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == '.') {
this._currentIndex++;
// There must be a least one digit following the .
if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9')
return undefined;
while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {
frac *= 10;
decimal += (this._string.charAt(this._currentIndex) - '0') / frac;
this._currentIndex += 1;
}
}
// Read the exponent part.
if (this._currentIndex != startIndex && this._currentIndex + 1 < this._endIndex && (this._string.charAt(this._currentIndex) == 'e' || this._string.charAt(this._currentIndex) == 'E') && (this._string.charAt(this._currentIndex + 1) != 'x' && this._string.charAt(this._currentIndex + 1) != 'm')) {
this._currentIndex++;
// Read the sign of the exponent.
if (this._string.charAt(this._currentIndex) == '+') {
this._currentIndex++;
} else if (this._string.charAt(this._currentIndex) == '-') {
this._currentIndex++;
expsign = -1;
}
// There must be an exponent.
if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9')
return undefined;
while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {
exponent *= 10;
exponent += (this._string.charAt(this._currentIndex) - '0');
this._currentIndex++;
}
}
var number = integer + decimal;
number *= sign;
if (exponent)
number *= Math.pow(10, expsign * exponent);
if (startIndex == this._currentIndex)
return undefined;
this._skipOptionalSpacesOrDelimiter();
return number;
};
Source.prototype._parseArcFlag = function() {
if (this._currentIndex >= this._endIndex)
return undefined;
var flag = false;
var flagChar = this._string.charAt(this._currentIndex++);
if (flagChar == '0')
flag = false;
else if (flagChar == '1')
flag = true;
else
return undefined;
this._skipOptionalSpacesOrDelimiter();
return flag;
};
Source.prototype.parseSegment = function() {
var lookahead = this._string[this._currentIndex];
var command = this._pathSegTypeFromChar(lookahead);
if (command == SVGPathSeg.PATHSEG_UNKNOWN) {
// Possibly an implicit command. Not allowed if this is the first command.
if (this._previousCommand == SVGPathSeg.PATHSEG_UNKNOWN)
return null;
command = this._nextCommandHelper(lookahead, this._previousCommand);
if (command == SVGPathSeg.PATHSEG_UNKNOWN)
return null;
} else {
this._currentIndex++;
}
this._previousCommand = command;
switch (command) {
case SVGPathSeg.PATHSEG_MOVETO_REL:
return new SVGPathSegMovetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
case SVGPathSeg.PATHSEG_MOVETO_ABS:
return new SVGPathSegMovetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
case SVGPathSeg.PATHSEG_LINETO_REL:
return new SVGPathSegLinetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
case SVGPathSeg.PATHSEG_LINETO_ABS:
return new SVGPathSegLinetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:
return new SVGPathSegLinetoHorizontalRel(owningPathSegList, this._parseNumber());
case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:
return new SVGPathSegLinetoHorizontalAbs(owningPathSegList, this._parseNumber());
case SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:
return new SVGPathSegLinetoVerticalRel(owningPathSegList, this._parseNumber());
case SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:
return new SVGPathSegLinetoVerticalAbs(owningPathSegList, this._parseNumber());
case SVGPathSeg.PATHSEG_CLOSEPATH:
this._skipOptionalSpaces();
return new SVGPathSegClosePath(owningPathSegList);
case SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL:
{
const points = {x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};
return new SVGPathSegCurvetoCubicRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);
}
case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:
{
const points = {x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};
return new SVGPathSegCurvetoCubicAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);
}
case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:
{
const points = {x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};
return new SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, points.x, points.y, points.x2, points.y2);
}
case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:
{
const points = {x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};
return new SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, points.x, points.y, points.x2, points.y2);
}
case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:
{
const points = {x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};
return new SVGPathSegCurvetoQuadraticRel(owningPathSegList, points.x, points.y, points.x1, points.y1);
}
case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:
{
const points = {x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};
return new SVGPathSegCurvetoQuadraticAbs(owningPathSegList, points.x, points.y, points.x1, points.y1);
}
case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:
return new SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, this._parseNumber(), this._parseNumber());
case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:
return new SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
case SVGPathSeg.PATHSEG_ARC_REL:
{
const points = {x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber()};
return new SVGPathSegArcRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);
}
case SVGPathSeg.PATHSEG_ARC_ABS:
{
const points = {x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber()};
return new SVGPathSegArcAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);
}
default:
throw 'Unknown path seg type.'
}
};
var Builder = function() {
this.pathSegList = [];
};
Builder.prototype.appendSegment = function(pathSeg) {
this.pathSegList.push(pathSeg);
};
// This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.
SVGPathSegList.prototype._parsePath = function(string) {
if (!string || string.length == 0)
@@ -1324,319 +1632,11 @@ function configureDetectionTools()
var owningPathSegList = this;
var Builder = function() {
this.pathSegList = [];
};
Builder.prototype.appendSegment = function(pathSeg) {
this.pathSegList.push(pathSeg);
};
var Source = function(string) {
this._string = string;
this._currentIndex = 0;
this._endIndex = this._string.length;
this._previousCommand = SVGPathSeg.PATHSEG_UNKNOWN;
this._skipOptionalSpaces();
};
Source.prototype._isCurrentSpace = function() {
var character = this._string[this._currentIndex];
return character <= ' ' && (character == ' ' || character == '\n' || character == '\t' || character == '\r' || character == '\f');
};
Source.prototype._skipOptionalSpaces = function() {
while (this._currentIndex < this._endIndex && this._isCurrentSpace())
this._currentIndex++;
return this._currentIndex < this._endIndex;
};
Source.prototype._skipOptionalSpacesOrDelimiter = function() {
if (this._currentIndex < this._endIndex && !this._isCurrentSpace() && this._string.charAt(this._currentIndex) != ',')
return false;
if (this._skipOptionalSpaces()) {
if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == ',') {
this._currentIndex++;
this._skipOptionalSpaces();
}
}
return this._currentIndex < this._endIndex;
};
Source.prototype.hasMoreData = function() {
return this._currentIndex < this._endIndex;
};
Source.prototype.peekSegmentType = function() {
var lookahead = this._string[this._currentIndex];
return this._pathSegTypeFromChar(lookahead);
};
Source.prototype._pathSegTypeFromChar = function(lookahead) {
switch (lookahead) {
case 'Z':
case 'z':
return SVGPathSeg.PATHSEG_CLOSEPATH;
case 'M':
return SVGPathSeg.PATHSEG_MOVETO_ABS;
case 'm':
return SVGPathSeg.PATHSEG_MOVETO_REL;
case 'L':
return SVGPathSeg.PATHSEG_LINETO_ABS;
case 'l':
return SVGPathSeg.PATHSEG_LINETO_REL;
case 'C':
return SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;
case 'c':
return SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;
case 'Q':
return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;
case 'q':
return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;
case 'A':
return SVGPathSeg.PATHSEG_ARC_ABS;
case 'a':
return SVGPathSeg.PATHSEG_ARC_REL;
case 'H':
return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;
case 'h':
return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;
case 'V':
return SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;
case 'v':
return SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;
case 'S':
return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;
case 's':
return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;
case 'T':
return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;
case 't':
return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;
default:
return SVGPathSeg.PATHSEG_UNKNOWN;
}
};
Source.prototype._nextCommandHelper = function(lookahead, previousCommand) {
// Check for remaining coordinates in the current command.
if ((lookahead == '+' || lookahead == '-' || lookahead == '.' || (lookahead >= '0' && lookahead <= '9')) && previousCommand != SVGPathSeg.PATHSEG_CLOSEPATH) {
if (previousCommand == SVGPathSeg.PATHSEG_MOVETO_ABS)
return SVGPathSeg.PATHSEG_LINETO_ABS;
if (previousCommand == SVGPathSeg.PATHSEG_MOVETO_REL)
return SVGPathSeg.PATHSEG_LINETO_REL;
return previousCommand;
}
return SVGPathSeg.PATHSEG_UNKNOWN;
};
Source.prototype.initialCommandIsMoveTo = function() {
// If the path is empty it is still valid, so return true.
if (!this.hasMoreData())
return true;
var command = this.peekSegmentType();
// Path must start with moveTo.
return command == SVGPathSeg.PATHSEG_MOVETO_ABS || command == SVGPathSeg.PATHSEG_MOVETO_REL;
};
// Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.
// Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-PathDataBNF
Source.prototype._parseNumber = function() {
var exponent = 0;
var integer = 0;
var frac = 1;
var decimal = 0;
var sign = 1;
var expsign = 1;
var startIndex = this._currentIndex;
this._skipOptionalSpaces();
// Read the sign.
if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == '+')
this._currentIndex++;
else if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == '-') {
this._currentIndex++;
sign = -1;
}
if (this._currentIndex == this._endIndex || ((this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') && this._string.charAt(this._currentIndex) != '.'))
// The first character of a number must be one of [0-9+-.].
return undefined;
// Read the integer part, build right-to-left.
var startIntPartIndex = this._currentIndex;
while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9')
this._currentIndex++; // Advance to first non-digit.
if (this._currentIndex != startIntPartIndex) {
var scanIntPartIndex = this._currentIndex - 1;
var multiplier = 1;
while (scanIntPartIndex >= startIntPartIndex) {
integer += multiplier * (this._string.charAt(scanIntPartIndex--) - '0');
multiplier *= 10;
}
}
// Read the decimals.
if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == '.') {
this._currentIndex++;
// There must be a least one digit following the .
if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9')
return undefined;
while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {
frac *= 10;
decimal += (this._string.charAt(this._currentIndex) - '0') / frac;
this._currentIndex += 1;
}
}
// Read the exponent part.
if (this._currentIndex != startIndex && this._currentIndex + 1 < this._endIndex && (this._string.charAt(this._currentIndex) == 'e' || this._string.charAt(this._currentIndex) == 'E') && (this._string.charAt(this._currentIndex + 1) != 'x' && this._string.charAt(this._currentIndex + 1) != 'm')) {
this._currentIndex++;
// Read the sign of the exponent.
if (this._string.charAt(this._currentIndex) == '+') {
this._currentIndex++;
} else if (this._string.charAt(this._currentIndex) == '-') {
this._currentIndex++;
expsign = -1;
}
// There must be an exponent.
if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9')
return undefined;
while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {
exponent *= 10;
exponent += (this._string.charAt(this._currentIndex) - '0');
this._currentIndex++;
}
}
var number = integer + decimal;
number *= sign;
if (exponent)
number *= Math.pow(10, expsign * exponent);
if (startIndex == this._currentIndex)
return undefined;
this._skipOptionalSpacesOrDelimiter();
return number;
};
Source.prototype._parseArcFlag = function() {
if (this._currentIndex >= this._endIndex)
return undefined;
var flag = false;
var flagChar = this._string.charAt(this._currentIndex++);
if (flagChar == '0')
flag = false;
else if (flagChar == '1')
flag = true;
else
return undefined;
this._skipOptionalSpacesOrDelimiter();
return flag;
};
Source.prototype.parseSegment = function() {
var lookahead = this._string[this._currentIndex];
var command = this._pathSegTypeFromChar(lookahead);
if (command == SVGPathSeg.PATHSEG_UNKNOWN) {
// Possibly an implicit command. Not allowed if this is the first command.
if (this._previousCommand == SVGPathSeg.PATHSEG_UNKNOWN)
return null;
command = this._nextCommandHelper(lookahead, this._previousCommand);
if (command == SVGPathSeg.PATHSEG_UNKNOWN)
return null;
} else {
this._currentIndex++;
}
this._previousCommand = command;
switch (command) {
case SVGPathSeg.PATHSEG_MOVETO_REL:
return new SVGPathSegMovetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
case SVGPathSeg.PATHSEG_MOVETO_ABS:
return new SVGPathSegMovetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
case SVGPathSeg.PATHSEG_LINETO_REL:
return new SVGPathSegLinetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
case SVGPathSeg.PATHSEG_LINETO_ABS:
return new SVGPathSegLinetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:
return new SVGPathSegLinetoHorizontalRel(owningPathSegList, this._parseNumber());
case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:
return new SVGPathSegLinetoHorizontalAbs(owningPathSegList, this._parseNumber());
case SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:
return new SVGPathSegLinetoVerticalRel(owningPathSegList, this._parseNumber());
case SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:
return new SVGPathSegLinetoVerticalAbs(owningPathSegList, this._parseNumber());
case SVGPathSeg.PATHSEG_CLOSEPATH:
this._skipOptionalSpaces();
return new SVGPathSegClosePath(owningPathSegList);
case SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL:
{
const points = {x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};
return new SVGPathSegCurvetoCubicRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);
}
case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:
{
const points = {x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};
return new SVGPathSegCurvetoCubicAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);
}
case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:
{
const points = {x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};
return new SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, points.x, points.y, points.x2, points.y2);
}
case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:
{
const points = {x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};
return new SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, points.x, points.y, points.x2, points.y2);
}
case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:
{
const points = {x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};
return new SVGPathSegCurvetoQuadraticRel(owningPathSegList, points.x, points.y, points.x1, points.y1);
}
case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:
{
const points = {x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};
return new SVGPathSegCurvetoQuadraticAbs(owningPathSegList, points.x, points.y, points.x1, points.y1);
}
case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:
return new SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, this._parseNumber(), this._parseNumber());
case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:
return new SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
case SVGPathSeg.PATHSEG_ARC_REL:
{
const points = {x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber()};
return new SVGPathSegArcRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);
}
case SVGPathSeg.PATHSEG_ARC_ABS:
{
const points = {x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber()};
return new SVGPathSegArcAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);
}
default:
throw 'Unknown path seg type.'
}
};
var builder = new Builder();
var source = new Source(string);
if (!source.initialCommandIsMoveTo())
return [];
var builder = new Builder();
while (source.hasMoreData()) {
var pathSeg = source.parseSegment();
if (!pathSeg)
