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algotype.js
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algotype.js
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//// ////////////////////////////////////////////////////// ////
// Algotype.js, version 1.61 by Rodion "(code)rodde" Efremov //
////////////////////////////////////////////////////////////////
var Algotype = {};
(function() {
console.log("---------------------------");
console.log("Algotype.js initializing...");
console.log("---------------------------");
// The string beginning the comments of the algorithm declaration.
Algotype.ALGORITHM_HEADER_COMMENT_TAG = "#";
// The string beginning the step comments.
Algotype.ALGORITHM_STEP_COMMENT_TAG = "#";
// The width of code line numbers. This default works well. If you, however,
// need to typeset an algorithm with at least 100 rows (in which case the space
// is tight) just increase this constant.
Algotype.LINE_NUMBER_WIDTH = 25;
// The indentation in pixels.
Algotype.INDENTATION_WIDTH = 30;
// Number of pixels between the line number span and the pseudocode span.
Algotype.DISTANCE_BETWEEN_LINE_NUMBER_AND_CODE = 8;
// The URL from which to download the MathJax math typesetting facilities.
Algotype.MATHJAX_SCRIPT_URL =
"https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js" +
"?config=TeX-AMS_CHTML";
// Configuration for MathJax. This provides in the pseudocode macros for such
// keywords as 'and', 'or', 'not', and others, with the font that matches the
// actual keywords, such as 'for each', 'repeat ... until', etc.
Algotype.MATHJAX_CONFIG =
'MathJax.Hub.Config({' +
"tex2jax: {inlineMath: [['$','$']]}," +
'TeX: {' +
'Macros: {' +
'And: "\\\\mathbf{and}",' +
'Or: "\\\\mathbf{or}",' +
'Not: "\\\\mathbf{not}",' +
'Is: "\\\\mathbf{is}",' +
'In: "\\\\mathbf{in}",' +
'Mapped: "\\\\mathbf{mapped}",' +
'Nil: "\\\\mathbf{nil}"' +
'},' +
'extensions: ["color.js"]' +
'}' +
'});';
Algotype.MATHJAX_CONFIG_MIME_TYPE = "text/x-mathjax-config";
Algotype.UNNAMED_ALGORITHM = "UnnamedAlgorithm";
Algotype.loadMathJax = function() {
// Load the MathJax.
var importedScript = document.createElement("script");
importedScript.async = "true";
importedScript.src = Algotype.MATHJAX_SCRIPT_URL;
document.head.appendChild(importedScript);
// Make MathJax process the configuration.
var mathJaxSettingsScript = document.createElement("script");
mathJaxSettingsScript.type = Algotype.MATHJAX_CONFIG_MIME_TYPE;
mathJaxSettingsScript.innerHTML = Algotype.MATHJAX_CONFIG;
document.head.appendChild(mathJaxSettingsScript);
};
Algotype.getAlgorithmHeaderComment = function (algorithmElement) {
var algorithmHeaderComment =
algorithmElement.getAttribute("comment");
if (!algorithmHeaderComment) {
return "";
}
return " " +
Algotype.ALGORITHM_HEADER_COMMENT_TAG +
" " + algorithmHeaderComment;
};
Algotype.getLabelHtml = function(state, label) {
return "<table class='algotype-code-row-table'>\n" +
" <tbody class='algotype-code-row-tbody'\n" +
" <tr class='algotype-algorithm-line'>\n" +
" <td class='algotype-algorithm-line-number'></td>\n" +
" <td class='algotype-line-number-space' width='" +
(Algotype.INDENTATION_WIDTH * state["indentation"] +
Algotype.DISTANCE_BETWEEN_LINE_NUMBER_AND_CODE) +
"px'></td>\n" +
" <td class='algotype-label algotype-text'>" + label +
"</td>\n" +
" </tr>\n" +
" </tbody>\n" +
"</table>\n";
};
Algotype.typesetConditionalBranch = function(element, state, keyword) {
var conditionTeX =
Algotype.typesetCondition(element.getAttribute("condition"));
var htmlText = "";
var comment = element.getAttribute("comment");
var commentId = (element.getAttribute("comment-id") || "").trim();
var idText = "";
if (commentId) {
idText = " id='" + commentId + "' ";
}
if (comment) {
comment = " <span class='algotype-step-comment' " + idText + ">" +
Algotype.ALGORITHM_STEP_COMMENT_TAG + " " +
comment.trim() + "</span>";
}
var id = (element.getAttribute("id") || "").trim();
var idTextBegin = "";
var idTextEnd = "";
if (id) {
idTextBegin = "<span id='" + id + "'>";
idTextEnd = "</span>";
}
htmlText += "<table class='algotype-code-row-table'>\n" +
" <tbody class='algotype-code-row-tbody'>\n" +
" <tr class='algotype-algorithm-line'>\n" +
" <td class='algotype-algorithm-line-number'>" +
state["lineNumber"] +
" </td> " +
" <td class='algotype-line-number-space' width='" +
(Algotype.INDENTATION_WIDTH * state["indentation"] +
Algotype.DISTANCE_BETWEEN_LINE_NUMBER_AND_CODE) +
"px'></td>\n" +
" <td class='algotype-text algotype-keyword'>" +
idTextBegin + keyword + " " +
conditionTeX + " then" + idTextEnd +
(comment ? comment : "") +
" </td> " +
" </tr>\n" +
" </tbody>\n" +
"</table>\n";
var saveIndentation = state["indentation"];
state["lineNumber"]++;
state["indentation"]++;
htmlText += Algotype.processInnerElements(element, state);
// Reset the indentation counter.
state["indentation"] = saveIndentation;
return htmlText;
};
Algotype.typesetIf = function(ifElement, state) {
return Algotype.typesetConditionalBranch(ifElement, state, "if");
};
Algotype.typesetElseIf = function(elseIfElement, state) {
return Algotype.typesetConditionalBranch(elseIfElement, state, "else if");
};
Algotype.typesetElse = function(elseElement, state) {
return Algotype.typesetUnconditionalBlock(elseElement, state, "else");
};
Algotype.typesetCondition = function(conditionText) {
if (!conditionText) {
return "$ $";
}
conditionText = conditionText.trim();
if (!conditionText) {
return "$ $";
}
var inTeX = false;
var htmlText = "";
var call = "";
for (var i = 0; i < conditionText.length; ++i) {
var character = conditionText[i];
switch (character) {
case '$':
if (!inTeX) {
if (call) {
// Dump the current call.
htmlText +=
" <span " +
"class='algotype-text algotype-algorithm-name'>" +
call +
"</span>";
call = "";
}
inTeX = true;
} else {
inTeX = false;
}
htmlText += "$";
break;
default:
if (inTeX) {
htmlText += character;
} else {
call += character;
}
}
}
if (call) {
htmlText += " <span class='algotype-text algotype-algorithm-name'>" +
call +
"</span>";
}
return htmlText;
};
Algotype.typesetStep = function(stepElement, state, keyword) {
if (!keyword) {
keyword = "";
}
var htmlText = Algotype.typesetCondition(stepElement.innerHTML || "");
var comment = stepElement.getAttribute("comment") || "";
var commentId = (stepElement.getAttribute("comment-id") || "").trim();
var idText = "";
if (commentId) {
idText = " id='" + commentId + "'";
}
if (comment) {
comment = " <span class='algotype-step-comment'" + idText + ">" +
Algotype.ALGORITHM_STEP_COMMENT_TAG + " " +
comment.trim() + "</span>";
}
var keywordHtml = "<span class='algotype-text algotype-keyword'>" +
keyword +
"</span>";
var stepId = (stepElement.getAttribute("id") || "").trim();
var stepIdTextBegin = "";
var stepIdTextEnd = "";
if (stepId) {
stepIdTextBegin = "<span id='" + stepId + "'>";
stepIdTextEnd = "</span>";
}
htmlText = "<table class='algotype-code-row-table'>\n" +
" <tbody class='algotype-code-row-tbody'>\n" +
" <tr class='algotype-algorithm-line'>\n" +
" <td class='algotype-algorithm-line-number'>" +
state["lineNumber"] +
"</td> " +
"<td class='algotype-line-number-space' width='" +
(Algotype.INDENTATION_WIDTH * state["indentation"] +
Algotype.DISTANCE_BETWEEN_LINE_NUMBER_AND_CODE) +
"px'></td>" +
"<td class='algotype-text'>" +
stepIdTextBegin + keywordHtml + " " + htmlText + stepIdTextEnd +
comment +
"</td>\n" +
" </tr>\n" +
" </tbody>\n" +
"</table>\n";
state["lineNumber"]++;
return htmlText;
};
Algotype.typesetReturn = function(returnElement, state) {
return Algotype.typesetStep(returnElement, state, "return");
};
Algotype.typesetPrint = function(printElement, state) {
return Algotype.typesetStep(printElement, state, "print");
};
Algotype.typesetOutput = function(outputElement, state) {
return Algotype.typesetStep(outputElement, state, "output");
};
Algotype.typesetYield = function(yieldElement, state) {
return Algotype.typesetStep(yieldElement, state, "yield");
};
Algotype.typesetLabelControl = function(element, state, keyword) {
var comment = element.getAttribute("comment") || "";
var commentId = (element.getAttribute("comment-id") || "").trim();
var idText = "";
if (commentId) {
idText = " id='" + commentId + "'";
}
if (comment) {
comment = " <span class='algotype-step-comment'" + idText + ">" +
Algotype.ALGORITHM_STEP_COMMENT_TAG + " " +
comment.trim() + "</span>";
}
var label = element.innerHTML;
var elementId = (element.getAttribute("id") || "").trim();
var elementIdTextBegin = "";
var elementIdTextEnd = "";
if (elementId) {
elementIdTextBegin = "<span id='" + elementId + "'>";
elementIdTextEnd = "</span>";
}
var htmlText =
"<table class='algotype-code-row-table'>\n" +
" <tbody class='algotype-code-row-tbody'>\n" +
" <tr class='algotype-algorithm-line'>\n" +
" <td class='algotype-algorithm-line-number'>" +
state["lineNumber"] + "</td>\n" +
" <td class='algotype-line-number-space' width='" +
(Algotype.INDENTATION_WIDTH * state["indentation"] +
Algotype.DISTANCE_BETWEEN_LINE_NUMBER_AND_CODE) +
"px'></td>\n" +
" <td class='algotype-text algotype-keyword'>" +
elementIdTextBegin + keyword + " " +
(label ? "<span class='algotype-label'>" + label + "</span>" : "") +
elementIdTextEnd + comment +
"</td>\n" +
" </tr>\n" +
" </tbody>\n" +
"</table>\n";
state["lineNumber"]++;
return htmlText;
};
Algotype.typesetBreak = function(breakElement, state) {
return Algotype.typesetLabelControl(breakElement, state, "break");
};
Algotype.typesetContinue = function(continueElement, state) {
return Algotype.typesetLabelControl(continueElement, state, "continue");
};
Algotype.typesetConditionalLoop = function(element, state, keyword) {
var conditionTeX =
Algotype.typesetCondition(element.getAttribute("condition"));
if (conditionTeX[0] !== "$") {
conditionTeX = "$" + conditionTeX;
}
if (conditionTeX[conditionTeX.length - 1] !== "$") {
conditionTeX += "$";
}
var label = element.getAttribute("label");
var htmlText = "";
var comment = element.getAttribute("comment");
var commentId = (element.getAttribute("comment-id") || "").trim();
var idText = "";
if (commentId) {
idText = " id='" + commentId + "' ";
}
if (comment) {
comment = " <span class='algotype-step-comment' " + idText + ">" +
Algotype.ALGORITHM_STEP_COMMENT_TAG + " " +
comment.trim() + "</span>";
}
if (label) {
label = label.trim();
if (label[label.length - 1] !== ":") {
label += ":";
}
htmlText += Algotype.getLabelHtml(state, label);
}
var id = (element.getAttribute("id") || "").trim();
var idTextBegin = "";
var idTextEnd = "";
if (id) {
idTextBegin = "<span id='" + id + "'>";
idTextEnd = "</span>";
}
htmlText += "<table class='algotype-code-row-table'>\n" +
" <tbody class='algotype-code-row-tbody'>\n" +
" <tr class='algotype-algorithm-line'>\n" +
" <td class='algotype-algorithm-line-number'>" +
state["lineNumber"] +
" </td> " +
" <td class='algotype-line-number-space' width='" +
(Algotype.INDENTATION_WIDTH * state["indentation"] +
Algotype.DISTANCE_BETWEEN_LINE_NUMBER_AND_CODE) +
"px'></td>\n" +
" <td class='algotype-text algotype-keyword'>" +
idTextBegin + keyword + " " +
conditionTeX + " do " + idTextEnd +
(comment ? comment : "") +
" </td> " +
" </tr>\n" +
" </tbody>\n" +
"</table>\n";
var saveIndentation = state["indentation"];
state["lineNumber"]++;
state["indentation"]++;
htmlText += Algotype.processInnerElements(element, state);
// Reset the indentation counter.
state["indentation"] = saveIndentation;
return htmlText;
};
Algotype.typesetForEach = function(forEachElement, state) {
return Algotype.typesetConditionalLoop(forEachElement, state, "for each");
};
Algotype.typesetWhile = function(whileElement, state) {
return Algotype.typesetConditionalLoop(whileElement, state, "while");
};
Algotype.typesetCountingLoop = function(element,
state,
fromKeyword,
toKeyword,
stepKeyword) {
var initConditionTeX =
Algotype.typesetCondition(element.getAttribute("init"));
var toConditionTeX =
Algotype.typesetCondition(element.getAttribute("to"));
var stepConditionTeX =
Algotype.typesetCondition(element.getAttribute("step"));
var label = element.getAttribute("label");
var htmlText = "";
var comment = element.getAttribute("comment");
var commentId = (element.getAttribute("comment-id") || "").trim();
var idText = "";
var stepText = "";
if (stepConditionTeX) {
stepText = " " + stepKeyword + " " + stepConditionTeX;
}
if (commentId) {
idText = "id='" + commentId + "' ";
}
if (comment) {
comment = " <span class='algotype-step-comment' " + idText + ">" +
Algotype.ALGORITHM_STEP_COMMENT_TAG + " " +
comment.trim() + "</span>";
}
if (label) {
label = label.trim();
if (label[label.length - 1] !== ":") {
label += ":";
}
htmlText += Algotype.getLabelHtml(state, label);
}
var id = (element.getAttribute("id") || "").trim();
var idTextBegin = "";
var idTextEnd = "";
if (id) {
idTextBegin = "</span id='" + id + "'>";
idTextEnd = "</span>";
}
htmlText += "<table class='algotype-code-row-table'>\n" +
" <tbody class='algotype-code-row-tbody'>\n" +
" <tr class='algotype-algorithm-line'>\n" +
" <td class='algotype-algorithm-line-number'>" +
state["lineNumber"] +
" </td> " +
" <td class='algotype-line-number-space' width='" +
(Algotype.INDENTATION_WIDTH * state["indentation"] +
Algotype.DISTANCE_BETWEEN_LINE_NUMBER_AND_CODE) +
"px'></td>\n" +
" <td class='algotype-text algotype-keyword'>" +
idTextBegin + fromKeyword + " " +
initConditionTeX + " " + toKeyword + " " + toConditionTeX +
stepText + " do " + idTextEnd +
(comment ? comment : "") +
" </td> " +
" </tr>\n" +
" </tbody>\n" +
"</table>\n";
var saveIndentation = state["indentation"];
state["lineNumber"]++;
state["indentation"]++;
htmlText += Algotype.processInnerElements(element, state);
// Reset the indentation counter.
state["indentation"] = saveIndentation;
return htmlText;
};
Algotype.typesetFor = function(forElement, state) {
return Algotype.typesetCountingLoop(forElement, state, "for", "to", "step");
};
Algotype.typesetForDownto = function(forDowntoElement, state) {
return Algotype.typesetCountingLoop(forDowntoElement,
state,
"for",
"downto",
"step");
};
Algotype.typesetUnconditionalBlock = function(element, state, keyword) {
var label = element.getAttribute("label");
var htmlText = "";
var comment = element.getAttribute("comment");
var commentId = (element.getAttribute("comment-id") || "").trim();
var idText = "";
if (commentId) {
idText = "id='" + commentId + "' ";
}
if (comment) {
comment = " <span class='algotype-step-comment' " + idText + ">" +
Algotype.ALGORITHM_STEP_COMMENT_TAG + " " +
comment.trim() + "</span>";
}
if (label) {
label = label.trim();
if (label[label.length - 1] !== ":") {
label += ":";
}
htmlText += Algotype.getLabelHtml(state, label);
}
var id = (element.getAttribute("id") || "").trim();
var idTextBegin = "";
var idTextEnd = "";
if (id) {
idTextBegin = "<span id='" + id + "'>";
idTextEnd = "</span>";
}
htmlText += "<table class='algotype-code-row-table'>\n" +
" <tbody class='algotype-code-row-tbody'>\n" +
" <tr class='algotype-algorithm-line'>\n" +
" <td class='algotype-algorithm-line-number'>" +
state["lineNumber"] +
" </td> " +
" <td class='algotype-line-number-space' width='" +
(Algotype.INDENTATION_WIDTH * state["indentation"] +
Algotype.DISTANCE_BETWEEN_LINE_NUMBER_AND_CODE) +
"px'></td>\n" +
" <td class='algotype-text algotype-keyword'>" +
idTextBegin + keyword + idTextEnd +
(comment ? comment : "") +
" </td> " +
" </tr>\n" +
" </tbody>\n" +
"</table>\n";
var saveIndentation = state["indentation"];
state["lineNumber"]++;
state["indentation"]++;
htmlText += Algotype.processInnerElements(element, state);
// Reset the indentation counter.
state["indentation"] = saveIndentation;
return htmlText;
};
Algotype.processInnerElements = function(element, state) {
var childElements = element.children;
var htmlText = "";
for (var i = 0; i < childElements.length; ++i) {
var elementName = childElements[i].tagName.toLowerCase();
var handlerFunction = Algotype.dispatchTable[elementName];
if (handlerFunction) {
htmlText += handlerFunction(childElements[i], state);
} else {
throw new Error("Unknown element: '" + elementName + "'.");
}
}
return htmlText;
};
Algotype.typesetForever = function(foreverElement, state) {
return Algotype.typesetUnconditionalBlock(foreverElement, state, "forever do");
};
Algotype.typesetRepeatUntil = function(repeatUntilElement, state) {
var conditionTeX =
Algotype.typesetCondition(
repeatUntilElement.getAttribute("condition"));
var label = repeatUntilElement.getAttribute("label");
var htmlText = "";
var comment = repeatUntilElement.getAttribute("comment");
var commentId =
(repeatUntilElement.getAttribute("comment-id") || "").trim();
var idText = "";
if (commentId) {
idText = " id='" + commentId + "' ";
}
if (comment) {
comment = " <span class='algotype-step-comment' " + idText + ">" +
Algotype.ALGORITHM_STEP_COMMENT_TAG + " " +
comment.trim() + "</span>";
}
if (label) {
label = label.trim();
if (label[label.length - 1] !== ":") {
label += ":";
}
htmlText += Algotype.getLabelHtml(state, label);
}
var repeatUntilId = (repeatUntilElement.getAttribute("id") || "").trim();
var repeatUntilIdTextBegin = "";
var repeatUntilIdTextEnd = "";
if (repeatUntilId) {
repeatUntilIdTextBegin = "<span id='" + repeatUntilId + "'>";
repeatUntilIdTextEnd = "</span>";
}
htmlText += "<table class='algotype-code-row-table'>\n" +
" <tbody class='algotype-code-row-tbody'>\n" +
" <tr class='algotype-algorithm-line'>\n" +
" <td class='algotype-algorithm-line-number'>" +
state["lineNumber"] +
" </td> " +
" <td class='algotype-line-number-space' width='" +
(Algotype.INDENTATION_WIDTH * state["indentation"] +
Algotype.DISTANCE_BETWEEN_LINE_NUMBER_AND_CODE) +
"px'></td>\n" +
" <td class='algotype-text algotype-keyword'>" +
repeatUntilIdTextBegin + "repeat" + repeatUntilIdTextEnd +
" </td> " +
" </tr>\n" +
" </tbody>\n" +
"</table>\n";
var saveIndentation = state["indentation"];
state["lineNumber"]++;
state["indentation"]++;
htmlText += Algotype.processInnerElements(repeatUntilElement, state);
// Reset the indentation counter.
state["indentation"] = saveIndentation;
htmlText += "<table class='algotype-code-row-table'>\n" +
" <tbody class='algotype-code-row-tbody'>\n" +
" <tr class='algotype-algorithm-line'>\n" +
" <td class='algotype-algorithm-line-number'>" +
state["lineNumber"] +
" </td> " +
" <td class='algotype-line-number-space' width='" +
(Algotype.INDENTATION_WIDTH * state["indentation"] +
Algotype.DISTANCE_BETWEEN_LINE_NUMBER_AND_CODE) +
"px'></td>\n" +
" <td class='algotype-text algotype-keyword'>" +
repeatUntilIdTextBegin + "until " +
conditionTeX + repeatUntilIdTextEnd +
(comment ? comment : "") +
" </td> " +
" </tr>\n" +
" </tbody>\n" +
"</table>\n";
state["lineNumber"]++;
return htmlText;
};
Algotype.typesetError = function(errorElement, state) {
var comment = errorElement.getAttribute("comment") || "";
var commentId = (errorElement.getAttribute("comment-id") || "").trim();
var idText = "";
if (commentId) {
idText = " id='" + commentId + "'";
}
if (comment) {
comment = " <span class='algotype-step-comment'" + idText + ">" +
Algotype.ALGORITHM_STEP_COMMENT_TAG + " " +
comment.trim() + "</span>";
}
var keywordHtml =
"<span class='algotype-text algotype-keyword'>error</span>";
var errorId = (errorElement.getAttribute("id") || "").trim();
var errorIdTextBegin = "";
var errorIdTextEnd = "";
if (errorId) {
errorIdTextBegin = "<span id='" + errorId + "'>";
errorIdTextEnd = "</span>";
}
var htmlText =
"<table class='algotype-code-row-table'>\n" +
" <tbody class='algotype-code-row-tbody'>\n" +
" <tr class='algotype-algorithm-line'>\n" +
" <td class='algotype-algorithm-line-number'>" +
state["lineNumber"] +
"</td> " +
"<td class='algotype-line-number-space' width='" +
(Algotype.INDENTATION_WIDTH * state["indentation"] +
Algotype.DISTANCE_BETWEEN_LINE_NUMBER_AND_CODE) +
"px'></td>" +
"<td class='algotype-text'>" +
errorIdTextBegin + keywordHtml + " " + errorIdTextEnd +
"<span class='algotype-error'>" +
errorElement.innerHTML +
"</span>" +
comment +
"</td>\n" +
" </tr>\n" +
" </tbody>\n" +
"</table>\n";
state["lineNumber"]++;
return htmlText;
};
Algotype.typesetAlgorithm = function(algorithmElement) {
var declarationTeX =
Algotype.typesetCondition(algorithmElement.getAttribute("header"));
var comment = algorithmElement.getAttribute("comment") || "";
var commentId = (algorithmElement.getAttribute("comment-id") || "").trim();
var idText = "";
if (commentId) {
idText = " id='" + commentId + "' ";
}
if (comment) {
comment = " <span class='algotype-step-comment' " + idText + ">" +
Algotype.ALGORITHM_STEP_COMMENT_TAG + " " +
comment.trim() + "</span>";
}
var id = (algorithmElement.getAttribute("id") || "").trim();
var idTextBegin = "";
var idTextEnd = "";
if (id) {
idTextBegin = "<span id='" + id + "'>";
idTextEnd = "</span>";
}
var parentNode = algorithmElement.parentNode;
var width = algorithmElement.getAttribute("width");
var upperHeaderBarClass =
algorithmElement.getAttribute("algorithm-upper-header-class");
var lowerHeaderBarClass =
algorithmElement.getAttribute("algorithm-lower-header-class");
var customStyleClasses = upperHeaderBarClass + " " +
lowerHeaderBarClass + "'";
console.log(customStyleClasses);
var htmlText =
"<table class='algotype-algorithm-header " + customStyleClasses +
(width ? "style='width: " + width + "px;'" : "") + ">\n" +
" <tbody class='algotype-no-padding-no-margin'>\n" +
" <tr class='algotype-no-padding-no-margin'>\n" +
" <td class='algotype-no-padding-no-margin'>" +
idTextBegin + declarationTeX + idTextEnd + comment + "</td>" +
" </tr>\n" +
" </tbody>\n" +
"</table>\n";
var childElements = algorithmElement.children;
var state = {
lineNumber: 1,
indentation: 0
};
for (var i = 0; i < childElements.length; ++i) {
var elementName = childElements[i].tagName.toLowerCase();
var handlerFunction = Algotype.dispatchTable[elementName];
if (handlerFunction) {
htmlText += handlerFunction(childElements[i], state);
} else {
throw new Error("Unknown element: '" + elementName + "'.");
}
}
var footerBarClass =
algorithmElement.getAttribute("algorithm-footer-class");
if (footerBarClass) {
htmlText +=
"<br />" +
"<hr style='padding: 0px; margin: 0px; margin-top: -15px; " +
"text-align: left; border-width: 0px;' class='" +
footerBarClass + "' />";
}
var paragraphElement = document.createElement("p");
paragraphElement.style.textAlign = "left";
paragraphElement.innerHTML = htmlText;
parentNode.appendChild(paragraphElement);
};
Algotype.setCSSRules = function() {
var styleElement = document.createElement("style");
styleElement.type = "text/css";
styleElement.innerHTML =
"alg-algorithm { \n\
display: none; \n\
} \n\
\n\
.algotype-text { \n\
padding-bottom: 2px; \n\
font-family: Times New Roman; \n\
font-size: 18px; \n\
} \n\
\n\
.algotype-keyword { \n\
font-weight: bold; \n\
} \n\
\n\
table.algotype-code-row-table { \n\
padding: 0; \n\
margin: 0; \n\
border-collapse: collapse; \n\
margin-bottom: -3px; \n\
} \n\
\n\
tbody.algotype-code-row-tbody { \n\
padding: 0; \n\
margin: 0; \n\
margin-bottom: -3px; \n\
} \n\
\n\
tr.algotype-algorithm-line { \n\
padding: 0; \n\
margin: 0; \n\
margin-bottom: -3px; \n\
} \n\
\n\
td.algotype-algorithm-line-number { \n\
padding: 0; \n\
margin: 0; \n\
font-family: Times New Roman; \n\
font-size: 16px; \n\
font-weight: bold; \n\
width: 20px; \n\
text-align: right; \n\
margin-bottom: 0px; \n\
} \n\
\n\
td.algotype-line-number-space { \n\
padding: 0; \n\
margin: 0; \n\
margin-bottom: -3px; \n\
} \n\
\n\
.algotype-algorithm-name { \n\
font-variant: small-caps; \n\
font-weight: bolder; \n\
} \n\
.algotype-label {} \n\
\n\
.algotype-label { \n\
font-size: 14px; \n\
font-family: monospace; \n\
font-weight: normal; \n\
}\n\
.algotype-no-padding-no-margin { \n\
margin: 0; \n\
padding: 0; \n\
}\n\
\n\
.algotype-algorithm-header { \n\
border-bottom: 2px solid black; \n\
border-top: 3px solid black; \n\
border-colapse: collapse; \n\
margin: 0; \n\
padding: 0; \n\
margin-bottom: 3px; \n\
}\n\
\n\
.algotype-error {\n\
font-style: italic; \n\
}\n\
\n\
.algotype-step-comment { \n\
font-family: Times New Roman; \n\
font-size: 18px; \n\
font-weight: normal; \n\
font-variant: normal; \n\
}\n";
document.head.appendChild(styleElement);
};
Algotype.setup = function() {
// Load MathJax.
Algotype.setCSSRules();
Algotype.loadMathJax();
// Typeset all algorithms present in the DOM.
var algorithmList = document.getElementsByTagName("alg-algorithm");
for (var i = 0; i < algorithmList.length; ++i) {
Algotype.typesetAlgorithm(algorithmList[i]);
}
};
Algotype.dispatchTable = {};
Algotype.dispatchTable["alg-break"] = Algotype.typesetBreak;
Algotype.dispatchTable["alg-continue"] = Algotype.typesetContinue;
Algotype.dispatchTable["alg-else"] = Algotype.typesetElse;
Algotype.dispatchTable["alg-else-if"] = Algotype.typesetElseIf;
Algotype.dispatchTable["alg-error"] = Algotype.typesetError;
Algotype.dispatchTable["alg-for"] = Algotype.typesetFor;
Algotype.dispatchTable["alg-foreach"] = Algotype.typesetForEach;
Algotype.dispatchTable["alg-forever"] = Algotype.typesetForever;
Algotype.dispatchTable["alg-for-downto"] = Algotype.typesetForDownto;
Algotype.dispatchTable["alg-if"] = Algotype.typesetIf;
Algotype.dispatchTable["alg-output"] = Algotype.typesetOutput;
Algotype.dispatchTable["alg-print"] = Algotype.typesetPrint;
Algotype.dispatchTable["alg-repeat-until"] = Algotype.typesetRepeatUntil;
Algotype.dispatchTable["alg-return"] = Algotype.typesetReturn;
Algotype.dispatchTable["alg-step"] = Algotype.typesetStep;
Algotype.dispatchTable["alg-while"] = Algotype.typesetWhile;
Algotype.dispatchTable["alg-yield"] = Algotype.typesetYield;
var oldOnloadHandler = window.onload;
window.onload = function() {
if (oldOnloadHandler) {
oldOnloadHandler();
}
Algotype.setup();
};
console.log("------------------------");
console.log("Algotype.js is deployed!");
console.log("------------------------");
})();