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demo.html
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demo.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<textarea name="input" id="input" cols="120" rows="30">
[h1]Title[/h1]
Here is a short description
[h2]Section 1[/h2]
Lorem [b]ipsum[/b]...
[h2]Section 2[/h2]
[table]
[tr]
[td c=2]R1C1[/td]
[td]R1C3[/td]
[td r=2]R1C4[/td]
[/tr]
[tr]
[td]R2C1[/td]
[td]R2C2[/td]
[td]R2C3[/td]
[/tr]
[/table]
[b][i]Duaél[/i][/b]
[td r=2 c=7]Row 1, Col 4[/td]
[detail title="title"]texãt[/detail]
[detail="title"]text[/detail]
[a url="http://fuck.com/aa?ejklj%20"]adsq[/a]
[a="a"]adsq[/a]
[color="#457832"][/color]
</textarea>
<button onclick="testProcess('input', 'output');">Convert</button>
<textarea name="output" id="output" cols="120" rows="30" disabled></textarea>
<div id="outputDivId"></div>
<script>
const bbElements = [
{
tags: ["b", "bold"],
htmlElement: "span",
htmlElementDefaultParams: "class=\"bb-bold\""
},
{
tags: ["i", "italic"],
htmlElement: "span",
htmlElementDefaultParams: "class=\"bb-italic\""
},
{
tags: ["u", "underline"],
htmlElement: "span",
htmlElementDefaultParams: "class=\"bb-underline\""
},
{
tags: ["s", "strikethrough"],
htmlElement: "span",
htmlElementDefaultParams: "class=\"bb-strikethrough\""
},
{
tags: ["size"],
htmlElement: "span",
parameters: [
{
name: ["value", "size"],
isRequired: true,
isDefault: true,
isTagParameter: true,
tagValueKey: "style",
tagValueContentPrefix: "\"font-size:",
tagValueContentSuffix: ";\"",
isExternalElement: false,
externalElementTag: null,
externalElementValues: null
}
]
},{
tags: ["color", "colour"],
htmlElement: "span",
parameters: [
{
name: ["value", "color", "colour"],
isRequired: true,
isDefault: true,
isTagParameter: true,
tagValueKey: "style",
tagValueContentPrefix: "\"color:",
tagValueContentSuffix: ";\"",
isExternalElement: false,
externalElementTag: null,
externalElementValues: null
}
]
},
{
tags: ["h1"],
htmlElement: "h2"
},
{
tags: ["h2"],
htmlElement: "h3"
},
{
tags: ["h3"],
htmlElement: "h4"
},
{
tags: ["h4"],
htmlElement: "h5"
},
{
tags: ["h5"],
htmlElement: "h6"
},
{
tags: ["sup", "supertext"],
htmlElement: "sup"
},
{
tags: ["sub", "subtext"],
htmlElement: "sub"
},
{
tags: ["footnote"],
htmlElement: "span",
htmlElementDefaultParams: "class=\"bb-footnote\""
},
{
tags: ["a", "link"],
htmlElement: "a",
parameters: [
{
name: ["url", "src"],
isRequired: true,
isDefault: true,
isTagParameter: true,
tagValueKey: "href",
tagValueContentPrefix: "\"",
tagValueContentSuffix: "\"",
isExternalElement: false,
externalElementTag: null,
externalElementValues: null
}
]
},
{
tags: ["spoil", "spoiler"],
htmlElement: "span",
htmlElementDefaultParams: "class=\"bb-spoil\""
},
/*{
tags: ["quote"],
htmlElement: "blockquote",
parameters: [
{
name: ["value", "size"],
isRequired: true,
isDefault: true,
isTagParameter: true,
tagValueKey: "style",
tagValueContentPrefix: "",
tagValueContentSuffix: "",
isExternalElement: false,
externalElementTag: null,
externalElementValues: null
}
]
},*/
{
tags: ["detail", "details"],
htmlElement: "details"
},
{
tags: ["tab"],
htmlElement: "div",
htmlElementDefaultParams: "class=\"bb-tab\""
},
{
tags: ["table"],
htmlElement: "table"
},
{
tags: ["tr", "table-row"],
htmlElement: "tr"
},
{
tags: ["td", "table-cell", "table-data"],
htmlElement: "td",
parameters: [
{
name: ["c", "colspan"],
isRequired: false,
isDefault: false,
isTagParameter: true,
tagValueKey: "colspan",
tagValueContentPrefix: "",
tagValueContentSuffix: "",
isExternalElement: false,
externalElementTag: null,
externalElementValues: null
},
{
name: ["r", "rowspan"],
isRequired: false,
isDefault: false,
isTagParameter: true,
tagValueKey: "rowspan",
tagValueContentPrefix: "",
tagValueContentSuffix: "",
isExternalElement: false,
externalElementTag: null,
externalElementValues: null
}
]
},
{
tags: ["br"],
htmlElement: "br"
}
];
const bbRegex = /(\[\/?[a-zA-Z\d\-]+(\s?(\w+)?="?([\w\d:/\?%\.#]+)"?)*\]|[\w\d\n\t\réèàê\s,\.;\u00C0-\u017F]+)/gm;
const bbArgsRegex = /([\w\-]*="?([\w\d:/\?%\.#]+)"?)/gm;
function getBBElementByTag(tag) {
var usedElement = null;
bbElements.forEach(function(element) {
if(element.tags.includes(tag)) {
usedElement = element;
return;
}
});
return usedElement;
}
function processLine(line, autoLineReturn, currentTagDepth) {
var matches = line.match(bbRegex);
var returnedValue = {
text: "",
tagDepthChange: 0
}
if(matches === null) {
matches = [];
}
matches.forEach(function(match) {
var usedElement = {};
if(match.startsWith("[/")) {
usedElement = getBBElementByTag(match.substring(2, match.length-1));
if(usedElement === null) {
returnedValue.error = "ERROR: Closing tag is unknown -> "+match;
return;
}
returnedValue.text += "</"+usedElement.htmlElement+">";
} else if(match.startsWith("[")) {
// Extracts [mytag from [mytag=aaa v="e"]...
var tagKey = match.match(/\[(\w|\d|\-)+/gm)[0].substring(1);
usedElement = getBBElementByTag(tagKey);
if(usedElement === undefined || usedElement === null) {
returnedValue.error = "ERROR: Openning tag is unknown -> "+tagKey+" | "+match;
return;
}
if(usedElement.parameters === undefined || usedElement.parameters === null ||
usedElement.parameters.length === 0) {
if(usedElement.htmlElementDefaultParams !== undefined &&
usedElement.htmlElementDefaultParams !== null) {
returnedValue.text += "<"+usedElement.htmlElement+" "+
usedElement.htmlElementDefaultParams+">";
} else {
returnedValue.text += "<"+usedElement.htmlElement+">";
}
} else {
// Parsing arguments...
var elementData = JSON.parse(JSON.stringify(usedElement));
elementData.parameters.forEach(function f(param) {
if(param.isRequired === undefined || usedElement.isRequired === null) {
param.isRequired = false;
}
param.wasUsed = false;
});
// Parsing and saving arguments' values
var unparsedArguments = match.substring(tagKey.length+1, match.length - 1);
var parsedArguments = unparsedArguments.match(bbArgsRegex);
if(parsedArguments === null) {
parsedArguments = [];
}
parsedArguments.forEach(function f(singleArgument) {
var argumentParts = singleArgument.split(/=(.+)/);
if(argumentParts.length < 2) {
returnedValue.error = "ERROR: No value found for argument -> "+singleArgument+" | "+match;
return;
}
var elementDataArgument = null;
if(argumentParts[0].length > 0) {
// finding by key
elementData.parameters.forEach(function g(param) {
if(param.name.includes(argumentParts[0])) {
elementDataArgument = param;
}
});
} else {
// searching default
elementData.parameters.forEach(function g(param) {
if(param.isDefault) {
elementDataArgument = param;
}
});
}
if(elementDataArgument === null) {
returnedValue.error = "ERROR: Unable to find used parameter -> "+singleArgument+
" ; For tag -> "+match;
return;
}
// TODO: Check for double usage !
// Removing the quotes if there are any
elementDataArgument.value = argumentParts[1];
if(elementDataArgument.value.length >= 3) {
if(elementDataArgument.value.startsWith("\"")) {
elementDataArgument.value = elementDataArgument.value.substring(1);
}
if(elementDataArgument.value.endsWith("\"")) {
elementDataArgument.value = elementDataArgument.value.substring(
0, elementDataArgument.value.length - 1
);
}
}
elementDataArgument.wasUsed = true;
});
if(returnedValue["error"] !== undefined) {
return;
}
// Going over every argument that puts something inside the HTML tag...
returnedValue.text += "<"+elementData.htmlElement;
elementData.parameters.forEach(function f(param) {
if(param.isTagParameter) {
if(param.isRequired && !param.wasUsed) {
returnedValue.error = "ERROR: Required parameter was not used -> "+param.name[0]+" | "+match;
}
if(param.wasUsed) {
returnedValue.text += " " + param.tagValueKey + "=" +
param.tagValueContentPrefix + param.value + param.tagValueContentSuffix;
}
}
});
returnedValue.text += ">";
if(returnedValue["error"] !== undefined) {
return;
}
// Going over every argument that puts something outside the HTML tag...
elementData.parameters.forEach(function f(param) {
if(param.isExternalElement) {
if(param.isRequired && !param.wasUsed) {
returnedValue.error = "ERROR: Required arg was not used -> "+param.name[0]+" | "+match;
}
if(param.wasUsed) {
console.error("WTF !!!");
}
}
});
if(returnedValue["error"] !== undefined) {
return;
}
//console.log("Done processing openning tag.");
}
} else {
returnedValue.text += match.replace(/[&<>]/g, {
'&': '&',
'<': '<',
'>': '>'
});
}
});
return returnedValue;
}
// Splits the text into lines, calls processLine() for each of them
// and check if errors occured and handles the <br> tag stuff.
function processText(rawText) {
var outputText = "";
var hasEncounteredAnError = false;
var autoLineReturn = true;
var currentTagDepth = 0;
rawText.split('\n').forEach(function(line) {
// Check if an error occurred previously and aborting if it has
if(hasEncounteredAnError) {
return;
}
// Process the line
var returnedValue = processLine(line, autoLineReturn, currentTagDepth);
// Check if an error occurred
if(returnedValue["error"] !== undefined) {
outputText = returnedValue.error;
hasEncounteredAnError = true;
return;
}
// ???
if(typeof returnedValue.lineReturnStatus === 'boolean') {
autoLineReturn = returnedValue.lineReturnStatus;
}
outputText += returnedValue.text;
/*if(autoLineReturn) {
outputText += "<br>\n";
}/**/
outputText += "\n";
currentTagDepth += returnedValue.tagDepthChange;
if(currentTagDepth < 0) {
outputText = "ERROR: Invalid tag depth ! (Less than 0)";
hasEncounteredAnError = true;
return;
}
});
// TODO: Add <br> to every empty line, every line that doesn't finish with a > or ones that finish with </span>
return outputText;
}
function testProcess(inputId, outputId) {
var returnedValue = processText(document.getElementById(inputId).value);
document.getElementById(outputId).textContent = returnedValue;
document.getElementById("outputDivId").innerHTML = returnedValue;
}
</script>
</body>
</html>