Lazify OP_MAP.
This commit is contained in:
Yury Delendik
parent
1de90454b7
commit
d6adf84159
@ -61,6 +61,7 @@ var info = sharedUtil.info;
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var isArray = sharedUtil.isArray;
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var isNum = sharedUtil.isNum;
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var isString = sharedUtil.isString;
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var getLookupTableFactory = sharedUtil.getLookupTableFactory;
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var warn = sharedUtil.warn;
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var Dict = corePrimitives.Dict;
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var Name = corePrimitives.Name;
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@ -2336,119 +2337,121 @@ var EvaluatorPreprocessor = (function EvaluatorPreprocessorClosure() {
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//
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// If variableArgs === true: [0, `numArgs`] expected
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// If variableArgs === false: exactly `numArgs` expected
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var OP_MAP = {
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var getOPMap = getLookupTableFactory(function (t) {
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// Graphic state
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w: { id: OPS.setLineWidth, numArgs: 1, variableArgs: false },
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J: { id: OPS.setLineCap, numArgs: 1, variableArgs: false },
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j: { id: OPS.setLineJoin, numArgs: 1, variableArgs: false },
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M: { id: OPS.setMiterLimit, numArgs: 1, variableArgs: false },
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d: { id: OPS.setDash, numArgs: 2, variableArgs: false },
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ri: { id: OPS.setRenderingIntent, numArgs: 1, variableArgs: false },
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i: { id: OPS.setFlatness, numArgs: 1, variableArgs: false },
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gs: { id: OPS.setGState, numArgs: 1, variableArgs: false },
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q: { id: OPS.save, numArgs: 0, variableArgs: false },
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Q: { id: OPS.restore, numArgs: 0, variableArgs: false },
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cm: { id: OPS.transform, numArgs: 6, variableArgs: false },
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t['w'] = { id: OPS.setLineWidth, numArgs: 1, variableArgs: false };
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t['J'] = { id: OPS.setLineCap, numArgs: 1, variableArgs: false };
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t['j'] = { id: OPS.setLineJoin, numArgs: 1, variableArgs: false };
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t['M'] = { id: OPS.setMiterLimit, numArgs: 1, variableArgs: false };
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t['d'] = { id: OPS.setDash, numArgs: 2, variableArgs: false };
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t['ri'] = { id: OPS.setRenderingIntent, numArgs: 1, variableArgs: false };
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t['i'] = { id: OPS.setFlatness, numArgs: 1, variableArgs: false };
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t['gs'] = { id: OPS.setGState, numArgs: 1, variableArgs: false };
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t['q'] = { id: OPS.save, numArgs: 0, variableArgs: false };
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t['Q'] = { id: OPS.restore, numArgs: 0, variableArgs: false };
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t['cm'] = { id: OPS.transform, numArgs: 6, variableArgs: false };
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// Path
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m: { id: OPS.moveTo, numArgs: 2, variableArgs: false },
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l: { id: OPS.lineTo, numArgs: 2, variableArgs: false },
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c: { id: OPS.curveTo, numArgs: 6, variableArgs: false },
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v: { id: OPS.curveTo2, numArgs: 4, variableArgs: false },
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y: { id: OPS.curveTo3, numArgs: 4, variableArgs: false },
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h: { id: OPS.closePath, numArgs: 0, variableArgs: false },
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re: { id: OPS.rectangle, numArgs: 4, variableArgs: false },
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S: { id: OPS.stroke, numArgs: 0, variableArgs: false },
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s: { id: OPS.closeStroke, numArgs: 0, variableArgs: false },
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f: { id: OPS.fill, numArgs: 0, variableArgs: false },
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F: { id: OPS.fill, numArgs: 0, variableArgs: false },
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'f*': { id: OPS.eoFill, numArgs: 0, variableArgs: false },
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B: { id: OPS.fillStroke, numArgs: 0, variableArgs: false },
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'B*': { id: OPS.eoFillStroke, numArgs: 0, variableArgs: false },
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b: { id: OPS.closeFillStroke, numArgs: 0, variableArgs: false },
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'b*': { id: OPS.closeEOFillStroke, numArgs: 0, variableArgs: false },
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n: { id: OPS.endPath, numArgs: 0, variableArgs: false },
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t['m'] = { id: OPS.moveTo, numArgs: 2, variableArgs: false };
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t['l'] = { id: OPS.lineTo, numArgs: 2, variableArgs: false };
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t['c'] = { id: OPS.curveTo, numArgs: 6, variableArgs: false };
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t['v'] = { id: OPS.curveTo2, numArgs: 4, variableArgs: false };
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t['y'] = { id: OPS.curveTo3, numArgs: 4, variableArgs: false };
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t['h'] = { id: OPS.closePath, numArgs: 0, variableArgs: false };
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t['re'] = { id: OPS.rectangle, numArgs: 4, variableArgs: false };
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t['S'] = { id: OPS.stroke, numArgs: 0, variableArgs: false };
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t['s'] = { id: OPS.closeStroke, numArgs: 0, variableArgs: false };
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t['f'] = { id: OPS.fill, numArgs: 0, variableArgs: false };
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t['F'] = { id: OPS.fill, numArgs: 0, variableArgs: false };
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t['f*'] = { id: OPS.eoFill, numArgs: 0, variableArgs: false };
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t['B'] = { id: OPS.fillStroke, numArgs: 0, variableArgs: false };
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t['B*'] = { id: OPS.eoFillStroke, numArgs: 0, variableArgs: false };
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t['b'] = { id: OPS.closeFillStroke, numArgs: 0, variableArgs: false };
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t['b*'] = { id: OPS.closeEOFillStroke, numArgs: 0, variableArgs: false };
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t['n'] = { id: OPS.endPath, numArgs: 0, variableArgs: false };
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// Clipping
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W: { id: OPS.clip, numArgs: 0, variableArgs: false },
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'W*': { id: OPS.eoClip, numArgs: 0, variableArgs: false },
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t['W'] = { id: OPS.clip, numArgs: 0, variableArgs: false };
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t['W*'] = { id: OPS.eoClip, numArgs: 0, variableArgs: false };
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// Text
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BT: { id: OPS.beginText, numArgs: 0, variableArgs: false },
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ET: { id: OPS.endText, numArgs: 0, variableArgs: false },
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Tc: { id: OPS.setCharSpacing, numArgs: 1, variableArgs: false },
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Tw: { id: OPS.setWordSpacing, numArgs: 1, variableArgs: false },
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Tz: { id: OPS.setHScale, numArgs: 1, variableArgs: false },
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TL: { id: OPS.setLeading, numArgs: 1, variableArgs: false },
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Tf: { id: OPS.setFont, numArgs: 2, variableArgs: false },
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Tr: { id: OPS.setTextRenderingMode, numArgs: 1, variableArgs: false },
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Ts: { id: OPS.setTextRise, numArgs: 1, variableArgs: false },
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Td: { id: OPS.moveText, numArgs: 2, variableArgs: false },
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TD: { id: OPS.setLeadingMoveText, numArgs: 2, variableArgs: false },
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Tm: { id: OPS.setTextMatrix, numArgs: 6, variableArgs: false },
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'T*': { id: OPS.nextLine, numArgs: 0, variableArgs: false },
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Tj: { id: OPS.showText, numArgs: 1, variableArgs: false },
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TJ: { id: OPS.showSpacedText, numArgs: 1, variableArgs: false },
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'\'': { id: OPS.nextLineShowText, numArgs: 1, variableArgs: false },
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'"': { id: OPS.nextLineSetSpacingShowText, numArgs: 3,
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variableArgs: false },
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t['BT'] = { id: OPS.beginText, numArgs: 0, variableArgs: false };
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t['ET'] = { id: OPS.endText, numArgs: 0, variableArgs: false };
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t['Tc'] = { id: OPS.setCharSpacing, numArgs: 1, variableArgs: false };
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t['Tw'] = { id: OPS.setWordSpacing, numArgs: 1, variableArgs: false };
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t['Tz'] = { id: OPS.setHScale, numArgs: 1, variableArgs: false };
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t['TL'] = { id: OPS.setLeading, numArgs: 1, variableArgs: false };
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t['Tf'] = { id: OPS.setFont, numArgs: 2, variableArgs: false };
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t['Tr'] = { id: OPS.setTextRenderingMode, numArgs: 1, variableArgs: false };
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t['Ts'] = { id: OPS.setTextRise, numArgs: 1, variableArgs: false };
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t['Td'] = { id: OPS.moveText, numArgs: 2, variableArgs: false };
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t['TD'] = { id: OPS.setLeadingMoveText, numArgs: 2, variableArgs: false };
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t['Tm'] = { id: OPS.setTextMatrix, numArgs: 6, variableArgs: false };
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t['T*'] = { id: OPS.nextLine, numArgs: 0, variableArgs: false };
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t['Tj'] = { id: OPS.showText, numArgs: 1, variableArgs: false };
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t['TJ'] = { id: OPS.showSpacedText, numArgs: 1, variableArgs: false };
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t['\''] = { id: OPS.nextLineShowText, numArgs: 1, variableArgs: false };
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t['"'] = { id: OPS.nextLineSetSpacingShowText, numArgs: 3,
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variableArgs: false };
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// Type3 fonts
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d0: { id: OPS.setCharWidth, numArgs: 2, variableArgs: false },
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d1: { id: OPS.setCharWidthAndBounds, numArgs: 6, variableArgs: false },
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t['d0'] = { id: OPS.setCharWidth, numArgs: 2, variableArgs: false };
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t['d1'] = { id: OPS.setCharWidthAndBounds, numArgs: 6,
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variableArgs: false };
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// Color
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CS: { id: OPS.setStrokeColorSpace, numArgs: 1, variableArgs: false },
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cs: { id: OPS.setFillColorSpace, numArgs: 1, variableArgs: false },
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SC: { id: OPS.setStrokeColor, numArgs: 4, variableArgs: true },
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SCN: { id: OPS.setStrokeColorN, numArgs: 33, variableArgs: true },
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sc: { id: OPS.setFillColor, numArgs: 4, variableArgs: true },
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scn: { id: OPS.setFillColorN, numArgs: 33, variableArgs: true },
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G: { id: OPS.setStrokeGray, numArgs: 1, variableArgs: false },
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g: { id: OPS.setFillGray, numArgs: 1, variableArgs: false },
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RG: { id: OPS.setStrokeRGBColor, numArgs: 3, variableArgs: false },
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rg: { id: OPS.setFillRGBColor, numArgs: 3, variableArgs: false },
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K: { id: OPS.setStrokeCMYKColor, numArgs: 4, variableArgs: false },
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k: { id: OPS.setFillCMYKColor, numArgs: 4, variableArgs: false },
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t['CS'] = { id: OPS.setStrokeColorSpace, numArgs: 1, variableArgs: false };
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t['cs'] = { id: OPS.setFillColorSpace, numArgs: 1, variableArgs: false };
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t['SC'] = { id: OPS.setStrokeColor, numArgs: 4, variableArgs: true };
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t['SCN'] = { id: OPS.setStrokeColorN, numArgs: 33, variableArgs: true };
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t['sc'] = { id: OPS.setFillColor, numArgs: 4, variableArgs: true };
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t['scn'] = { id: OPS.setFillColorN, numArgs: 33, variableArgs: true };
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t['G'] = { id: OPS.setStrokeGray, numArgs: 1, variableArgs: false };
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t['g'] = { id: OPS.setFillGray, numArgs: 1, variableArgs: false };
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t['RG'] = { id: OPS.setStrokeRGBColor, numArgs: 3, variableArgs: false };
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t['rg'] = { id: OPS.setFillRGBColor, numArgs: 3, variableArgs: false };
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t['K'] = { id: OPS.setStrokeCMYKColor, numArgs: 4, variableArgs: false };
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t['k'] = { id: OPS.setFillCMYKColor, numArgs: 4, variableArgs: false };
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// Shading
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sh: { id: OPS.shadingFill, numArgs: 1, variableArgs: false },
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t['sh'] = { id: OPS.shadingFill, numArgs: 1, variableArgs: false };
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// Images
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BI: { id: OPS.beginInlineImage, numArgs: 0, variableArgs: false },
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ID: { id: OPS.beginImageData, numArgs: 0, variableArgs: false },
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EI: { id: OPS.endInlineImage, numArgs: 1, variableArgs: false },
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t['BI'] = { id: OPS.beginInlineImage, numArgs: 0, variableArgs: false };
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t['ID'] = { id: OPS.beginImageData, numArgs: 0, variableArgs: false };
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t['EI'] = { id: OPS.endInlineImage, numArgs: 1, variableArgs: false };
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// XObjects
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Do: { id: OPS.paintXObject, numArgs: 1, variableArgs: false },
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MP: { id: OPS.markPoint, numArgs: 1, variableArgs: false },
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DP: { id: OPS.markPointProps, numArgs: 2, variableArgs: false },
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BMC: { id: OPS.beginMarkedContent, numArgs: 1, variableArgs: false },
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BDC: { id: OPS.beginMarkedContentProps, numArgs: 2,
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variableArgs: false },
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EMC: { id: OPS.endMarkedContent, numArgs: 0, variableArgs: false },
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t['Do'] = { id: OPS.paintXObject, numArgs: 1, variableArgs: false };
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t['MP'] = { id: OPS.markPoint, numArgs: 1, variableArgs: false };
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t['DP'] = { id: OPS.markPointProps, numArgs: 2, variableArgs: false };
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t['BMC'] = { id: OPS.beginMarkedContent, numArgs: 1, variableArgs: false };
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t['BDC'] = { id: OPS.beginMarkedContentProps, numArgs: 2,
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variableArgs: false };
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t['EMC'] = { id: OPS.endMarkedContent, numArgs: 0, variableArgs: false };
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// Compatibility
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BX: { id: OPS.beginCompat, numArgs: 0, variableArgs: false },
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EX: { id: OPS.endCompat, numArgs: 0, variableArgs: false },
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t['BX'] = { id: OPS.beginCompat, numArgs: 0, variableArgs: false };
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t['EX'] = { id: OPS.endCompat, numArgs: 0, variableArgs: false };
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// (reserved partial commands for the lexer)
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BM: null,
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BD: null,
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'true': null,
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fa: null,
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fal: null,
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fals: null,
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'false': null,
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nu: null,
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nul: null,
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'null': null
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};
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t['BM'] = null;
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t['BD'] = null;
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t['true'] = null;
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t['fa'] = null;
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t['fal'] = null;
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t['fals'] = null;
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t['false'] = null;
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t['nu'] = null;
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t['nul'] = null;
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t['null'] = null;
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});
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function EvaluatorPreprocessor(stream, xref, stateManager) {
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// TODO(mduan): pass array of knownCommands rather than OP_MAP
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this.opMap = getOPMap();
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// TODO(mduan): pass array of knownCommands rather than this.opMap
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// dictionary
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this.parser = new Parser(new Lexer(stream, OP_MAP), false, xref);
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this.parser = new Parser(new Lexer(stream, this.opMap), false, xref);
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this.stateManager = stateManager;
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this.nonProcessedArgs = [];
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}
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@ -2486,7 +2489,7 @@ var EvaluatorPreprocessor = (function EvaluatorPreprocessorClosure() {
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if (isCmd(obj)) {
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var cmd = obj.cmd;
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// Check that the command is valid
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var opSpec = OP_MAP[cmd];
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var opSpec = this.opMap[cmd];
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if (!opSpec) {
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warn('Unknown command "' + cmd + '"');
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continue;
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