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  1. #include <iostream>
  2. #include <ctime>
  3. using namespace std;
  4.  
  5. enum class ECursor : unsigned {
  6.   Auto,
  7.   Cross,
  8.   Default,
  9.   Pointer,
  10.   Move,
  11.   VerticalText,
  12.   Cell,
  13.   ContextMenu,
  14.   Alias,
  15.   Progress,
  16.   NoDrop,
  17.   NotAllowed,
  18.   ZoomIn,
  19.   ZoomOut,
  20.   EResize,
  21.   NeResize,
  22.   NwResize,
  23.   NResize,
  24.   SeResize,
  25.   SwResize,
  26.   SResize,
  27.   WResize,
  28.   EwResize,
  29.   NsResize,
  30.   NeswResize,
  31.   NwseResize,
  32.   ColResize,
  33.   RowResize,
  34.   Text,
  35.   Wait,
  36.   Help,
  37.   AllScroll,
  38.   WebkitGrab,
  39.   WebkitGrabbing,
  40.   Copy,
  41.   None
  42. };
  43.  
  44. enum CSSValueID {
  45.     CSSValueInvalid = 0,
  46.     CSSValueInherit = 1,
  47.     CSSValueInitial = 2,
  48.     CSSValueNone = 3,
  49.     CSSValueCopy = 148,
  50.     CSSValueSourceOver = 149,
  51.     CSSValueSourceIn = 150,
  52.     CSSValueSourceOut = 151,
  53.     CSSValueSourceAtop = 152,
  54.     CSSValueDestinationOver = 153,
  55.     CSSValueDestinationIn = 154,
  56.     CSSValueDestinationOut = 155,
  57.     CSSValueDestinationAtop = 156,
  58.     CSSValueXor = 157,
  59.     CSSValuePlusLighter = 158,
  60.     CSSValueBaseline = 159,
  61.     CSSValueMiddle = 160,
  62.     CSSValueSub = 161,
  63.     CSSValueSuper = 162,
  64.     CSSValueTextTop = 163,
  65.     CSSValueTextBottom = 164,
  66.     CSSValueTop = 165,
  67.     CSSValueBottom = 166,
  68.     CSSValueWebkitBaselineMiddle = 167,
  69.     CSSValueWebkitAuto = 168,
  70.     CSSValueLeft = 169,
  71.     CSSValueRight = 170,
  72.     CSSValueCenter = 171,
  73.     CSSValueJustify = 172,
  74.     CSSValueWebkitLeft = 173,
  75.     CSSValueWebkitRight = 174,
  76.     CSSValueWebkitCenter = 175,
  77.     CSSValueWebkitMatchParent = 176,
  78.     CSSValueInternalCenter = 177,
  79.     CSSValueInterWord = 178,
  80.     CSSValueDistribute = 179,
  81.     CSSValueOutside = 180,
  82.     CSSValueInside = 181,
  83.     CSSValueDisc = 182,
  84.     CSSValueCircle = 183,
  85.     CSSValueSquare = 184,
  86.     CSSValueDecimal = 185,
  87.     CSSValueDecimalLeadingZero = 186,
  88.     CSSValueArabicIndic = 187,
  89.     CSSValueBengali = 188,
  90.     CSSValueCambodian = 189,
  91.     CSSValueKhmer = 190,
  92.     CSSValueDevanagari = 191,
  93.     CSSValueGujarati = 192,
  94.     CSSValueGurmukhi = 193,
  95.     CSSValueKannada = 194,
  96.     CSSValueLao = 195,
  97.     CSSValueMalayalam = 196,
  98.     CSSValueMongolian = 197,
  99.     CSSValueMyanmar = 198,
  100.     CSSValueOriya = 199,
  101.     CSSValuePersian = 200,
  102.     CSSValueUrdu = 201,
  103.     CSSValueTelugu = 202,
  104.     CSSValueTibetan = 203,
  105.     CSSValueThai = 204,
  106.     CSSValueLowerRoman = 205,
  107.     CSSValueUpperRoman = 206,
  108.     CSSValueLowerGreek = 207,
  109.     CSSValueLowerAlpha = 208,
  110.     CSSValueLowerLatin = 209,
  111.     CSSValueUpperAlpha = 210,
  112.     CSSValueUpperLatin = 211,
  113.     CSSValueCjkEarthlyBranch = 212,
  114.     CSSValueCjkHeavenlyStem = 213,
  115.     CSSValueEthiopicHalehame = 214,
  116.     CSSValueEthiopicHalehameAm = 215,
  117.     CSSValueEthiopicHalehameTiEr = 216,
  118.     CSSValueEthiopicHalehameTiEt = 217,
  119.     CSSValueHangul = 218,
  120.     CSSValueHangulConsonant = 219,
  121.     CSSValueKoreanHangulFormal = 220,
  122.     CSSValueKoreanHanjaFormal = 221,
  123.     CSSValueKoreanHanjaInformal = 222,
  124.     CSSValueHebrew = 223,
  125.     CSSValueArmenian = 224,
  126.     CSSValueLowerArmenian = 225,
  127.     CSSValueUpperArmenian = 226,
  128.     CSSValueGeorgian = 227,
  129.     CSSValueCjkIdeographic = 228,
  130.     CSSValueSimpChineseFormal = 229,
  131.     CSSValueSimpChineseInformal = 230,
  132.     CSSValueTradChineseFormal = 231,
  133.     CSSValueTradChineseInformal = 232,
  134.     CSSValueHiragana = 233,
  135.     CSSValueKatakana = 234,
  136.     CSSValueHiraganaIroha = 235,
  137.     CSSValueKatakanaIroha = 236,
  138.     CSSValueInline = 237,
  139.     CSSValueBlock = 238,
  140.     CSSValueListItem = 239,
  141.     CSSValueInlineBlock = 240,
  142.     CSSValueTable = 241,
  143.     CSSValueInlineTable = 242,
  144.     CSSValueTableRowGroup = 243,
  145.     CSSValueTableHeaderGroup = 244,
  146.     CSSValueTableFooterGroup = 245,
  147.     CSSValueTableRow = 246,
  148.     CSSValueTableColumnGroup = 247,
  149.     CSSValueTableColumn = 248,
  150.     CSSValueTableCell = 249,
  151.     CSSValueTableCaption = 250,
  152.     CSSValueWebkitBox = 251,
  153.     CSSValueWebkitInlineBox = 252,
  154.     CSSValueFlex = 253,
  155.     CSSValueInlineFlex = 254,
  156.     CSSValueGrid = 255,
  157.     CSSValueInlineGrid = 256,
  158.     CSSValueContents = 257,
  159.     CSSValueWebkitFlex = 258,
  160.     CSSValueWebkitInlineFlex = 259,
  161.     CSSValueAuto = 260,
  162.     CSSValueCrosshair = 261,
  163.     CSSValueDefault = 262,
  164.     CSSValuePointer = 263,
  165.     CSSValueMove = 264,
  166.     CSSValueVerticalText = 265,
  167.     CSSValueCell = 266,
  168.     CSSValueContextMenu = 267,
  169.     CSSValueAlias = 268,
  170.     CSSValueProgress = 269,
  171.     CSSValueNoDrop = 270,
  172.     CSSValueNotAllowed = 271,
  173.     CSSValueZoomIn = 272,
  174.     CSSValueZoomOut = 273,
  175.     CSSValueEResize = 274,
  176.     CSSValueNeResize = 275,
  177.     CSSValueNwResize = 276,
  178.     CSSValueNResize = 277,
  179.     CSSValueSeResize = 278,
  180.     CSSValueSwResize = 279,
  181.     CSSValueSResize = 280,
  182.     CSSValueWResize = 281,
  183.     CSSValueEwResize = 282,
  184.     CSSValueNsResize = 283,
  185.     CSSValueNeswResize = 284,
  186.     CSSValueNwseResize = 285,
  187.     CSSValueColResize = 286,
  188.     CSSValueRowResize = 287,
  189.     CSSValueText = 288,
  190.     CSSValueWait = 289,
  191.     CSSValueHelp = 290,
  192.     CSSValueAllScroll = 291,
  193.     CSSValueWebkitGrab = 292,
  194.     CSSValueWebkitGrabbing = 293,
  195.     CSSValueWebkitZoomIn = 294,
  196.     CSSValueWebkitZoomOut = 295,
  197. };
  198.  
  199. inline ECursor convertToSwitch(CSSValueID m_valueID) {
  200.   switch (m_valueID) {
  201.     case CSSValueAuto:
  202.       return ECursor::Auto;
  203.     case CSSValueCrosshair:
  204.       return ECursor::Cross;
  205.     case CSSValueDefault:
  206.       return ECursor::Default;
  207.     case CSSValuePointer:
  208.       return ECursor::Pointer;
  209.     case CSSValueMove:
  210.       return ECursor::Move;
  211.     case CSSValueCell:
  212.       return ECursor::Cell;
  213.     case CSSValueVerticalText:
  214.       return ECursor::VerticalText;
  215.     case CSSValueContextMenu:
  216.       return ECursor::ContextMenu;
  217.     case CSSValueAlias:
  218.       return ECursor::Alias;
  219.     case CSSValueCopy:
  220.       return ECursor::Copy;
  221.     case CSSValueNone:
  222.       return ECursor::None;
  223.     case CSSValueProgress:
  224.       return ECursor::Progress;
  225.     case CSSValueNoDrop:
  226.       return ECursor::NoDrop;
  227.     case CSSValueNotAllowed:
  228.       return ECursor::NotAllowed;
  229.     case CSSValueZoomIn:
  230.     case CSSValueWebkitZoomIn:
  231.       return ECursor::ZoomIn;
  232.     case CSSValueZoomOut:
  233.     case CSSValueWebkitZoomOut:
  234.       return ECursor::ZoomOut;
  235.     case CSSValueEResize:
  236.       return ECursor::EResize;
  237.     case CSSValueNeResize:
  238.       return ECursor::NeResize;
  239.     case CSSValueNwResize:
  240.       return ECursor::NwResize;
  241.     case CSSValueNResize:
  242.       return ECursor::NResize;
  243.     case CSSValueSeResize:
  244.       return ECursor::SeResize;
  245.     case CSSValueSwResize:
  246.       return ECursor::SwResize;
  247.     case CSSValueSResize:
  248.       return ECursor::SResize;
  249.     case CSSValueWResize:
  250.       return ECursor::WResize;
  251.     case CSSValueEwResize:
  252.       return ECursor::EwResize;
  253.     case CSSValueNsResize:
  254.       return ECursor::NsResize;
  255.     case CSSValueNeswResize:
  256.       return ECursor::NeswResize;
  257.     case CSSValueNwseResize:
  258.       return ECursor::NwseResize;
  259.     case CSSValueColResize:
  260.       return ECursor::ColResize;
  261.     case CSSValueRowResize:
  262.       return ECursor::RowResize;
  263.     case CSSValueText:
  264.       return ECursor::Text;
  265.     case CSSValueWait:
  266.       return ECursor::Wait;
  267.     case CSSValueHelp:
  268.       return ECursor::Help;
  269.     case CSSValueAllScroll:
  270.       return ECursor::AllScroll;
  271.     case CSSValueWebkitGrab:
  272.       return ECursor::WebkitGrab;
  273.     case CSSValueWebkitGrabbing:
  274.       return ECursor::WebkitGrabbing;
  275.     default:
  276.       //NOTREACHED();
  277.       return ECursor::Auto;
  278.   }
  279. }
  280.  
  281.  
  282. inline ECursor convertToCast(CSSValueID m_valueID) {
  283.   switch (m_valueID) {
  284.     case CSSValueCopy:
  285.       return ECursor::Copy;
  286.     case CSSValueWebkitZoomIn:
  287.       return ECursor::ZoomIn;
  288.     case CSSValueWebkitZoomOut:
  289.       return ECursor::ZoomOut;
  290.     case CSSValueNone:
  291.       return ECursor::None;
  292.     default:
  293.       return static_cast<ECursor>(m_valueID - CSSValueAuto);
  294.   }
  295. }
  296.  
  297. static ECursor result;
  298.  
  299.  
  300. int main() {
  301.     clock_t start, end;
  302.     int i;
  303.     const int N_ITERATIONS = 100000000;
  304.  
  305.     start = clock();
  306.     for (i = 0; i < N_ITERATIONS; i++) {
  307.         result = convertToSwitch(CSSValueAuto);
  308.         result = convertToSwitch(CSSValueCrosshair);
  309.         result = convertToSwitch(CSSValueDefault);
  310.         result = convertToSwitch(CSSValuePointer);
  311.         result = convertToSwitch(CSSValueMove);
  312.         result = convertToSwitch(CSSValueCell);
  313.         result = convertToSwitch(CSSValueVerticalText);
  314.         result = convertToSwitch(CSSValueContextMenu);
  315.         result = convertToSwitch(CSSValueAlias);
  316.         result = convertToSwitch(CSSValueCopy);
  317.         result = convertToSwitch(CSSValueNone);
  318.         result = convertToSwitch(CSSValueProgress);
  319.         result = convertToSwitch(CSSValueNoDrop);
  320.         result = convertToSwitch(CSSValueNotAllowed);
  321.         result = convertToSwitch(CSSValueZoomIn);
  322.         result = convertToSwitch(CSSValueWebkitZoomIn);
  323.         result = convertToSwitch(CSSValueZoomOut);
  324.         result = convertToSwitch(CSSValueWebkitZoomOut);
  325.         result = convertToSwitch(CSSValueEResize);
  326.         result = convertToSwitch(CSSValueNeResize);
  327.         result = convertToSwitch(CSSValueNwResize);
  328.         result = convertToSwitch(CSSValueNResize);
  329.         result = convertToSwitch(CSSValueSeResize);
  330.         result = convertToSwitch(CSSValueSwResize);
  331.         result = convertToSwitch(CSSValueSResize);
  332.         result = convertToSwitch(CSSValueWResize);
  333.         result = convertToSwitch(CSSValueEwResize);
  334.         result = convertToSwitch(CSSValueNsResize);
  335.         result = convertToSwitch(CSSValueNeswResize);
  336.         result = convertToSwitch(CSSValueNwseResize);
  337.         result = convertToSwitch(CSSValueColResize);
  338.         result = convertToSwitch(CSSValueRowResize);
  339.         result = convertToSwitch(CSSValueText);
  340.         result = convertToSwitch(CSSValueWait);
  341.         result = convertToSwitch(CSSValueHelp);
  342.         result = convertToSwitch(CSSValueAllScroll);
  343.         result = convertToSwitch(CSSValueWebkitGrab);
  344.         result = convertToSwitch(CSSValueWebkitGrabbing);
  345.     }
  346.     end = clock();
  347.     cout << "Time (switch): " << (end - start) / (double)(CLOCKS_PER_SEC / 1000) << " ms" << endl;
  348.  
  349.  
  350.     start = clock();
  351.     for (i = 0; i < N_ITERATIONS; i++) {
  352.         result = convertToCast(CSSValueAuto);
  353.         result = convertToCast(CSSValueCrosshair);
  354.         result = convertToCast(CSSValueDefault);
  355.         result = convertToCast(CSSValuePointer);
  356.         result = convertToCast(CSSValueMove);
  357.         result = convertToCast(CSSValueCell);
  358.         result = convertToCast(CSSValueVerticalText);
  359.         result = convertToCast(CSSValueContextMenu);
  360.         result = convertToCast(CSSValueAlias);
  361.         result = convertToCast(CSSValueCopy);
  362.         result = convertToCast(CSSValueNone);
  363.         result = convertToCast(CSSValueProgress);
  364.         result = convertToCast(CSSValueNoDrop);
  365.         result = convertToCast(CSSValueNotAllowed);
  366.         result = convertToCast(CSSValueZoomIn);
  367.         result = convertToCast(CSSValueWebkitZoomIn);
  368.         result = convertToCast(CSSValueZoomOut);
  369.         result = convertToCast(CSSValueWebkitZoomOut);
  370.         result = convertToCast(CSSValueEResize);
  371.         result = convertToCast(CSSValueNeResize);
  372.         result = convertToCast(CSSValueNwResize);
  373.         result = convertToCast(CSSValueNResize);
  374.         result = convertToCast(CSSValueSeResize);
  375.         result = convertToCast(CSSValueSwResize);
  376.         result = convertToCast(CSSValueSResize);
  377.         result = convertToCast(CSSValueWResize);
  378.         result = convertToCast(CSSValueEwResize);
  379.         result = convertToCast(CSSValueNsResize);
  380.         result = convertToCast(CSSValueNeswResize);
  381.         result = convertToCast(CSSValueNwseResize);
  382.         result = convertToCast(CSSValueColResize);
  383.         result = convertToCast(CSSValueRowResize);
  384.         result = convertToCast(CSSValueText);
  385.         result = convertToCast(CSSValueWait);
  386.         result = convertToCast(CSSValueHelp);
  387.         result = convertToCast(CSSValueAllScroll);
  388.         result = convertToCast(CSSValueWebkitGrab);
  389.         result = convertToCast(CSSValueWebkitGrabbing);
  390.     }
  391.     end = clock();
  392.     cout << "Time (cast): " << (end - start) / (double)(CLOCKS_PER_SEC / 1000) << " ms" << endl;
  393.  
  394.     cout << static_cast<unsigned>(result) << endl;
  395.  
  396.  
  397.     return 0;
  398. }
  399.  
Success #stdin #stdout 0s 3468KB
comments (?)
stdin
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Standard input is empty
stdout
copy 
Time (switch): 0 ms
Time (cast): 0.001 ms
33
https://ideone.com/tTo8XB
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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