Generating Smart Pascal code that outputs XML code for a block

This example makes use of the code on the preceding page for generating a random ID for each block. In order to obtain code that you can copy you can (1) change Console.writeln; to writeln at the end of the Smart Pascal code, then (2) copy the console output between <p></p> tags in an HTML document (opened in Notepad++) and (3) open the HTML document in Chrome. Refresh BlocklyToSmartPascal, export the blank workspace and paste the generated XML code between the opening and closing xml tags in the text area. Import the XML to see the blocks and then export to see your XML code nicely formatted.

The blocks

The blocks

XML Code of Blocks

<xml xmlns="http://www.w3.org/1999/xhtml">
  <block type="procedures_defreturn" id="qd?L72F59OXDh=b6Xqdv" x="-62" y="-337">
    <field name="NAME">CreateID</field>
    <comment pinned="false" h="80" w="160">Creates random 20 char ID</comment>
    <statement name="STACK">
      <block type="variables_set" id="$)d#Bn,O#$;2,9W7GL3s">
        <field name="VAR">strID</field>
        <value name="VALUE">
          <block type="text" id=";JB@v4jy2`8kFAS2.gv#">
            <field name="TEXT"></field>
          </block>
        </value>
        <next>
          <block type="variables_set" id="c`K}l5taJE9.!50ArwY,">
            <field name="VAR">strSoup</field>
            <value name="VALUE">
              <block type="text" id="m7L`WAElNSVr=g^Vp8w%">
                <field name="TEXT">!#$%()*+,-./:;=?@[]^_`{|}~ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789</field>
              </block>
            </value>
            <next>
              <block type="variables_set" id="QmX~1~Y.:_w;U97tI7^n">
                <field name="VAR">intSoupLength</field>
                <value name="VALUE">
                  <block type="text_length" id="-x%,ou@jC1-PU8E1V|eu">
                    <value name="VALUE">
                      <shadow id="f4Q;E/-1?|zt#4CS5pUn" type="text">
                        <field name="TEXT">abc</field>
                      </shadow>
                      <block type="variables_get" id="WdE;`dX:c~~F_DxXC$v+">
                        <field name="VAR">strSoup</field>
                      </block>
                    </value>
                  </block>
                </value>
                <next>
                  <block type="controls_for" id="ogS2#0Op:I)w_Hkh8,p[">
                    <field name="VAR">intCount</field>
                    <value name="FROM">
                      <shadow type="math_number" id="p}5Nq4beL`h6qhSLX)q6">
                        <field name="NUM">1</field>
                      </shadow>
                    </value>
                    <value name="TO">
                      <shadow type="math_number" id="*So)bS%;g#E.O}#uhU;?">
                        <field name="NUM">20</field>
                      </shadow>
                    </value>
                    <value name="BY">
                      <shadow type="math_number" id="(jXcKJ:3[)Z?lg2ky]]d">
                        <field name="NUM">1</field>
                      </shadow>
                    </value>
                    <statement name="DO">
                      <block type="text_append" id="hq}p/}HT$IO+GB[/6.[_">
                        <field name="VAR">strID</field>
                        <value name="TEXT">
                          <shadow id="g@S#k!?=7X2rr!{?]3Al" type="text">
                            <field name="TEXT"></field>
                          </shadow>
                          <block type="text_charAt" id="N=bX~QdKCZPC5]+gZ-$@">
                            <mutation at="true"></mutation>
                            <field name="WHERE">FROM_START</field>
                            <value name="VALUE">
                              <block type="variables_get" id="xJJIBAS!H3A1eq)Yy.c1">
                                <field name="VAR">strSoup</field>
                              </block>
                            </value>
                            <value name="AT">
                              <block type="math_random_int" id="M9Y-VZ*k,}c1P!lSxa*,">
                                <value name="FROM">
                                  <shadow type="math_number" id="gNcEH{F[#u%[jdS_`X{z">
                                    <field name="NUM">1</field>
                                  </shadow>
                                </value>
                                <value name="TO">
                                  <shadow id="!$@-qA_Zx.Tmuvsq(jLj" type="math_number">
                                    <field name="NUM">100</field>
                                  </shadow>
                                  <block type="variables_get" id="3{N!]yqX(%;T%B=`n7aA">
                                    <field name="VAR">intSoupLength</field>
                                  </block>
                                </value>
                              </block>
                            </value>
                          </block>
                        </value>
                      </block>
                    </statement>
                  </block>
                </next>
              </block>
            </next>
          </block>
        </next>
      </block>
    </statement>
    <value name="RETURN">
      <block type="variables_get" id="}:xI#@|v9gY9)z^V1D1T">
        <field name="VAR">strID</field>
      </block>
    </value>
  </block>
  <block type="variables_set" id="G{+6DU_4:w_LFx8Hofg6" x="-62" y="-87">
    <field name="VAR">strNums</field>
    <value name="VALUE">
      <block type="text_prompt_ext" id="1y}j^VKbzJ#!m_=)^$+@">
        <mutation type="TEXT"></mutation>
        <field name="TYPE">TEXT</field>
        <value name="TEXT">
          <shadow type="text" id="A:{lqM7oB~C9UL*1?-o6">
            <field name="TEXT">Please enter a comma-separated list of numbers</field>
          </shadow>
        </value>
      </block>
    </value>
    <next>
      <block type="variables_set" id="xJ)L[s)+;e;cZ5v50HUu">
        <field name="VAR">strNumArray</field>
        <value name="VALUE">
          <block type="lists_split" id="f.=sJlWo+*0E@ON?{Qf2">
            <mutation mode="SPLIT"></mutation>
            <field name="MODE">SPLIT</field>
            <value name="INPUT">
              <block type="variables_get" id="`H7b,3%}j`DO-#7c_Dbo">
                <field name="VAR">strNums</field>
              </block>
            </value>
            <value name="DELIM">
              <shadow type="text" id="$A*ZtoX,.`_KkyeVfH}I">
                <field name="TEXT">,</field>
              </shadow>
            </value>
          </block>
        </value>
        <next>
          <block type="variables_set" id=",.IF-X:wb^HL`yxqPKb2">
            <field name="VAR">strXML</field>
            <value name="VALUE">
              <block type="text" id="lJfD{hAObVc43~6|?ElJ">
                <field name="TEXT">&amp;lt;block type=&amp;quot;lists_create_with&amp;quot; id=&amp;quot;</field>
              </block>
            </value>
            <next>
              <block type="text_append" id="!i@0+f^H%/DO{E/C;(D]">
                <field name="VAR">strXML</field>
                <value name="TEXT">
                  <shadow type="text" id="sTi:2{$oZ[f+gBV|uz^(">
                    <field name="TEXT"></field>
                  </shadow>
                  <block type="procedures_callreturn" id="3.x+pM*sx~FQr^_.hRHE">
                    <mutation name="CreateID"></mutation>
                  </block>
                </value>
                <next>
                  <block type="text_append" id="[QSB7Ncc,bfRZS|rlQyL">
                    <field name="VAR">strXML</field>
                    <value name="TEXT">
                      <shadow id="sTi:2{$oZ[f+gBV|uz^(" type="text">
                        <field name="TEXT"></field>
                      </shadow>
                      <block type="text" id="!Im:g=02J2!75etE+qB(">
                        <field name="TEXT">" x="50" y="50"&gt;&amp;lt;mutation items=&amp;quot;</field>
                      </block>
                    </value>
                    <next>
                      <block type="text_append" id="2/RgfPIg%i,OQ7hTY%Z*">
                        <field name="VAR">strXML</field>
                        <value name="TEXT">
                          <shadow type="text" id="q?eOxc$6{+ztW/lFQ5j2">
                            <field name="TEXT"></field>
                          </shadow>
                          <block type="text_join" id="L?L6901DE;gKz;|wOIDV">
                            <mutation items="2"></mutation>
                            <value name="ADD0">
                              <block type="lists_length" id=":!jl#n~ky4[zM^s#exPE">
                                <value name="VALUE">
                                  <block type="variables_get" id="kOzv+1x,oBM5]O^S.7,W">
                                    <field name="VAR">strNumArray</field>
                                  </block>
                                </value>
                              </block>
                            </value>
                            <value name="ADD1">
                              <block type="text" id="f~I!P+I}MRsaU!g^c1Xz">
                                <field name="TEXT">&amp;quot;&amp;gt;&amp;lt;/mutation&amp;gt;</field>
                              </block>
                            </value>
                          </block>
                        </value>
                        <next>
                          <block type="controls_for" id="s]G$g8i.l49!|91mk_a*">
                            <field name="VAR">i</field>
                            <value name="FROM">
                              <shadow type="math_number" id="gef=r3~zXQfj)1ddF?WL">
                                <field name="NUM">0</field>
                              </shadow>
                            </value>
                            <value name="TO">
                              <shadow type="math_number" id="^9uX?of6Y~]T?I!2^r/1">
                                <field name="NUM">10</field>
                              </shadow>
                              <block type="math_arithmetic" id="SQ}Sc6s}mrnQ+{UU_2wB">
                                <field name="OP">MINUS</field>
                                <value name="A">
                                  <shadow type="math_number" id="P4dcE$]O@/ogD;YJ|JbI">
                                    <field name="NUM">1</field>
                                  </shadow>
                                  <block type="lists_length" id="jOqiqP3tvXyOKp=qG7U6">
                                    <value name="VALUE">
                                      <block type="variables_get" id="J$1C*YK)oDVhfHf.1}xy">
                                        <field name="VAR">strNumArray</field>
                                      </block>
                                    </value>
                                  </block>
                                </value>
                                <value name="B">
                                  <shadow type="math_number" id="G.IUKZigS5edrMZ,QYH1">
                                    <field name="NUM">1</field>
                                  </shadow>
                                </value>
                              </block>
                            </value>
                            <value name="BY">
                              <shadow type="math_number" id="Mxq~urt(:6rm]9R`VQ.f">
                                <field name="NUM">1</field>
                              </shadow>
                            </value>
                            <statement name="DO">
                              <block type="text_append" id="-yBIIU0i.`TbL4E?ND1[">
                                <field name="VAR">strXML</field>
                                <value name="TEXT">
                                  <shadow id="sTi:2{$oZ[f+gBV|uz^(" type="text">
                                    <field name="TEXT"></field>
                                  </shadow>
                                  <block type="text" id="`eOS-MvA+XZR3cqicb{Z">
                                    <field name="TEXT">&amp;lt;value name= "ADD</field>
                                  </block>
                                </value>
                                <next>
                                  <block type="text_append" id="]jrc6KJ,DE60ySuR5mN!">
                                    <field name="VAR">strXML</field>
                                    <value name="TEXT">
                                      <shadow type="text" id="sTi:2{$oZ[f+gBV|uz^(">
                                        <field name="TEXT"></field>
                                      </shadow>
                                      <block type="text_join" id="6!AFEZfZ=pqLwEL16*^d">
                                        <mutation items="2"></mutation>
                                        <value name="ADD0">
                                          <block type="variables_get" id="E^P:c$E=hNixINQYYV$1">
                                            <field name="VAR">i</field>
                                          </block>
                                        </value>
                                        <value name="ADD1">
                                          <block type="text" id="0w_JK--7hA,wfU8cMEu|">
                                            <field name="TEXT">"&amp;gt;&amp;lt;block type= "math_number" id= "</field>
                                          </block>
                                        </value>
                                      </block>
                                    </value>
                                    <next>
                                      <block type="text_append" id="Cy$GZY^[wO..5W0gdr/W">
                                        <field name="VAR">strXML</field>
                                        <value name="TEXT">
                                          <shadow type="text" id="^bCsIoor31[U5qQu``kO">
                                            <field name="TEXT"></field>
                                          </shadow>
                                          <block type="procedures_callreturn" id="~(HG:sTZ_k[T)zknkQag">
                                            <mutation name="CreateID"></mutation>
                                          </block>
                                        </value>
                                        <next>
                                          <block type="text_append" id="jCqr#oFmq9RbfgB#bR9l">
                                            <field name="VAR">strXML</field>
                                            <value name="TEXT">
                                              <shadow id="sTi:2{$oZ[f+gBV|uz^(" type="text">
                                                <field name="TEXT"></field>
                                              </shadow>
                                              <block type="text" id="@_Y092n#zdk++`zSj9Pr">
                                                <field name="TEXT">"&amp;gt;&amp;lt;field name= "NUM"&amp;gt;</field>
                                              </block>
                                            </value>
                                            <next>
                                              <block type="text_append" id="XYMUEv{[H(M*=hsTlLRS">
                                                <field name="VAR">strXML</field>
                                                <value name="TEXT">
                                                  <shadow type="text" id="sTi:2{$oZ[f+gBV|uz^(">
                                                    <field name="TEXT"></field>
                                                  </shadow>
                                                  <block type="lists_getIndex" id="FHC$US;l$^=oqslB$sW|">
                                                    <mutation statement="false" at="true"></mutation>
                                                    <field name="MODE">GET</field>
                                                    <field name="WHERE">FROM_START</field>
                                                    <value name="VALUE">
                                                      <block type="variables_get" id="o1$7+(w,x+dE$^,pQSxB">
                                                        <field name="VAR">strNumArray</field>
                                                      </block>
                                                    </value>
                                                    <value name="AT">
                                                      <block type="math_arithmetic" id="TqeX,?#c*6):Mt{vDL9Y">
                                                        <field name="OP">ADD</field>
                                                        <value name="A">
                                                          <shadow type="math_number" id="_2zmVkvnwuP@~bh*nxP2">
                                                            <field name="NUM">1</field>
                                                          </shadow>
                                                          <block type="variables_get" id="C_e1.[}6pL%f~bZ%aa!$">
                                                            <field name="VAR">i</field>
                                                          </block>
                                                        </value>
                                                        <value name="B">
                                                          <shadow type="math_number" id="kEsKTy3[{j6G6N%xTD|/">
                                                            <field name="NUM">1</field>
                                                          </shadow>
                                                        </value>
                                                      </block>
                                                    </value>
                                                  </block>
                                                </value>
                                                <next>
                                                  <block type="text_append" id="2^#Z?M-X?x@LT^hI=ws]">
                                                    <field name="VAR">strXML</field>
                                                    <value name="TEXT">
                                                      <shadow type="text" id="sTi:2{$oZ[f+gBV|uz^(">
                                                        <field name="TEXT"></field>
                                                      </shadow>
                                                      <block type="text" id="Cm.a4v8i{C7h/-oCi!g6">
                                                        <field name="TEXT">&amp;lt;/field&amp;gt;&amp;lt;/block&amp;gt;&amp;lt;/value&amp;gt;</field>
                                                      </block>
                                                    </value>
                                                  </block>
                                                </next>
                                              </block>
                                            </next>
                                          </block>
                                        </next>
                                      </block>
                                    </next>
                                  </block>
                                </next>
                              </block>
                            </statement>
                            <next>
                              <block type="text_append" id="OIy[.TqX^~}5dJAJ1:=T">
                                <field name="VAR">strXML</field>
                                <value name="TEXT">
                                  <shadow type="text" id="afKE|ujqPqeEbQKGrMyv">
                                    <field name="TEXT">&amp;lt;/block&amp;gt;</field>
                                  </shadow>
                                </value>
                                <next>
                                  <block type="text_print" id="3T*P#6|VtCho]yTw6}M`">
                                    <value name="TEXT">
                                      <shadow type="text" id="tAVLjy|`]sS?*vs2:-uc">
                                        <field name="TEXT">abc</field>
                                      </shadow>
                                      <block type="variables_get" id="Slhl$3wiftpMO[)nUYF?">
                                        <field name="VAR">strXML</field>
                                      </block>
                                    </value>
                                  </block>
                                </next>
                              </block>
                            </next>
                          </block>
                        </next>
                      </block>
                    </next>
                  </block>
                </next>
              </block>
            </next>
          </block>
        </next>
      </block>
    </next>
  </block>
</xml>

Generated Smart Pascal Code

var strID: String;
var intSoupLength: Integer;
var strSoup: String;
var intCount: Integer;
var strXML: String;
var strNumArray: TStrArray;
var strNums: String;


function RandomIntBetween(a, b: integer): integer;
begin
  if (a > b) then
    begin
      // Swap a and b to ensure a is smaller.
      var c := a;
      a := b;
      b := c;
    end;
  result := Floor(Random() * (b - a + 1) + a)
end;
{
  Creates random 20 char ID
}
function CreateID(): String;
begin
  strID := '';
  strSoup := '!#$%()*+,-./:;=?@[]^_`{|}~ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
  intSoupLength := length(strSoup);
  for var intCount := 1 to 20 do
  begin
    strID += CharAt(strSoup, (RandomIntBetween(1, intSoupLength) - 1) + 1);
  end;
  Result := strID;
end;


function Str(v: Variant) : string;
begin
  asm
    if (@v === 0) {
      @Result = '0';
    }
    else if (@v === '') {
      @Result = '';
    }
    else if (isNaN(@v)) {
      @Result = @v;
    }
    else {
      @Result = (@v).toString();
    }
  end;
end;



strNums := prompt('Please enter a comma-separated list of numbers');
strNumArray := StrSplit(strNums, ',');
strXML := '&lt;block type=&quot;lists_create_with&quot; id=&quot;';
strXML += CreateID();
strXML += '" x="50" y="50">&lt;mutation items=&quot;';
strXML += Str(strNumArray.length) + Str('&quot;&gt;&lt;/mutation&gt;');
for var i := 0 to strNumArray.length - 1 step 1 do
begin
  strXML += '&lt;value name= "ADD';
  strXML += Str(i) + Str('"&gt;&lt;block type= "math_number" id= "');
  strXML += CreateID();
  strXML += '"&gt;&lt;field name= "NUM"&gt;';
  strXML += strNumArray[((i + 1) - 1)];
  strXML += '&lt;/field&gt;&lt;/block&gt;&lt;/value&gt;';
end;
strXML += '&lt;/block&gt;';
Console.writeln(strXML);

Copy of Sample Output

<block type="lists_create_with" id="3EV.8G[5(py]D,lm$pdT" x="50" y="50"><mutation
 items="7"></mutation><value name= "ADD0"><block type= "math_number" 
id= "J(kaklA%B=ULa1]7;mG="><field name= "NUM">41</field></block></value>
<value name= "ADD1"><block type= "math_number" id= "33hQh=O?D9xwNp9,7^dw">
<field name= "NUM">42</field></block></value><value name= "ADD2">
<block type= "math_number" id= "axxP:Kl8B?/R3=cLDgDl"><field name=
 "NUM">43</field></block></value><value name= "ADD3">
<block type= "math_number" id= "7~ha)0~Q-n0ik(%(OsXp"><field name= "NUM">44</field>
</block></value><value name= "ADD4"><block type= "math_number"
 id= "x*4@^2767CXU!Uh]Q7%!"><field name= "NUM">45</field></block></value>
<value name= "ADD5"><block type= "math_number" id= "=Eoa~T7H.FTNtX4}G|u,">
<field name= "NUM">46</field></block></value><value name= "ADD6">
<block type= "math_number" id= "fBhOow7g@$gnF,FU(W+s"><field name=
 "NUM">47</field></block></value></block>

Generated block

Generated Block

Generated Block

PrevGreen03.png
NextGreen03.png
UpGreen03.png
Programming - a skill for life!

XML, images and generated Smart Pascal code of examples including loops, arrays, validation and recursion

  1. Demonstration of loops
    Simple programs that output the 75 times table and input words from the user
  2. Searching an array
    How to perform a linear search of an array using Blockly
  3. Converting strings to integers
    XML, image and generated Smart Pascal code of demonstration of converting strings to integers
  4. Rounding floats
    How to round a float to a given number of decimal places
  5. Sum, maximum and minimum of arrays
    Example showing the use of the list functions sum, min and max
  6. Subarrays, combining arrays, array sorting and converting arrays to text
    How to copy a subarray from an array, combine arrays, sort an array and convert an array to text
  7. Parallel Arrays
    XML, image and generated Smart Pascal, JavaScript, Python and PHP code of demonstration of parallel arrays
  8. Arithmetic progression
    XML, image and generated Smart Pascal, JavaScript and Python code of demonstration of arithmetic progression
  9. Geometric progression
    XML, image and generated Smart Pascal, JavaScript and Python code of demonstration of geometric progression
  10. Vowel Count
    XML, image and generated Smart Pascal, JavaScript and Python code of demonstration of counting vowels in a word by two methods
  11. Validation using Blockly
    Introduction to validation (length check, range check, presence check, type check and character check)
  12. Recursion and its use for calculating factorials
    XML, image and generated Smart Pascal, JavaScript and Python code of demonstration of recursion for calculating factorials required for the display of Pascal's triangle
  13. Formatting the output with HTML and inline CSS
    XML, image and generated Smart Pascal code of demonstration of use of HTML and CSS
  14. Drawing on a Canvas
    XML, image and generated Smart Pascal code of demonstration of drawing on a canvas
  15. Using the random integer block to create a random identifier
    How to use the random integer block to create a random string for use as an identifier
  16. Generating Smart Pascal code that outputs XML code for a block
    A Blockly example that generates Smart Pascal code to output the XML representation of a block containing an array of numbers entered by the user as a comma-separated list
dita powered logo dita powered™. Copyright © 2010-21 Pascal Programming for Schools. All rights reserved.