Extract Code

/*

createVector()

ellipse()

for

while

rect()

mouseIsPressed

keyPressed

random

vertex

line()

*/

​

var textArr1, textArr2, textArr3;

var keywordArr = ['createVector', 'ellipse', 'for', 'while', 'rect', 'mouseIsPressed', 'keyPressed', 'random', 'vertex', 'line'];

//var keywords = {createVector:0, ellipse:0, for:0, while:0, rect:0, mouseIsPressed:0, keyPressed:0, random:0, vertex:0, line:0};

//var keywordNumArr = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0];

var keywordNumArr1 = [], keywordNumArr2 = [], keywordNumArr3 = [];

var newTextArr1, newTextArr2, newTextArr3;

​

function preload(){

  textArr1 = loadStrings("code_perlin_noise.txt");

  textArr2 = loadStrings("code_colorful_flow_IV.txt");

  textArr3 = loadStrings("code_teleporting_dots.txt");

  console.log(textArr2);

}

​

// Note: we could delete users' comments and all the strings in the code

// find things between /**/ and the line starts with //, delete them

// find things between "" and ''

​

// does user specified variables matter? perhaps the amount matters in the future?

function setup(){

  newTextArr2 = cleanText(textArr2);

  console.log(newTextArr2);

  // create an array storing amount of each keyword

  for (var i=0; i<keywordArr.length; i++){

    keywordNumArr2.push(0);

  }

  for (var j=0; j<keywordArr.length; j++){

    var keywordCounter = findKeywordAmount(newTextArr2, keywordArr[j]);

    keywordNumArr2[i] = keywordCounter;

  }

  console.log(keywordNumArr2);

}

​

function cleanText(textArr){

  var newTextArr = [];

  // iterate through text array

  for (var i=0; i<textArr.length; i++){

    var rowStr = textArr[i];

    // find "//"

    var commentIndex = rowStr.search("//");

    // if "//" is found in this row, 

    // slice everything from "//" to the end of this row,

    // add commentless row to new text array

    if (commentIndex !== -1){

      var commentStr = rowStr.slice(commentIndex, rowStr.length);

      newTextArr.push(rowStr - commentStr);

    }

    // if "//" if not found in this row, add this row to new text array

    else{

      newTextArr.push(rowStr);

    }

    // find /* and */

    var multiCommentStartIndex = rowStr.search("/*");

    var multiCommentEndIndex = rowStr.search("*/");

    /* two possibilities:

    comments within the same line

    comments expands multiple lines */

    // same line, both /* and */ are found

    if ((multiCommentStartIndex !== -1) && (multiCommentEndIndex !== -1)){

      var multiCommentStr = rowStr.slice(multiCommentStartIndex, multiCommentEndIndex);

      newTextArr.push(rowStr - multiCommentStr);

    }

    else if (multiCommentStartIndex !== -1){

      var multiCommentStr = rowStr.slice(multiCommentStartIndex, rowStr.length);

      newTextArr.push(rowStr - multiCommentStr);

    }

    else if (multiCommentEndIndex !== -1){

      var multiCommentStr = rowStr.slice(0, multiCommentEndIndex);

      newTextArr.push(rowStr - multiCommentStr);

    }

  }

  return newTextArr;

}

  /*

    // find ''

    // variable set to false

    var foundSingleQ = false;

    var singleQIndex = rowStr.search("'");

    // find ""

  */

​

function findKeywordAmount(textArr, keyword){

  var keywordCounter = 0;

  // iterate through text array

  for (var i=0; i<textArr.length; i++){

    if (textArr[i]){

      var rowStr = textArr[i];

    }

    var keywordFound = rowStr.search(keyword);

    if (keywordFound !== -1){

      keywordCounter ++; // this code is not perfect, what if there's two of the same keyword in the same row

    }

  }

  return keywordCounter;

}