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Added support in the Node web server for scripts on web pages, too

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This commit is contained in:
Jeff Parsons 2017-01-25 11:45:22 -08:00 • committed by Jeff Parsons
commit 25af103509
10 changed files with 88 additions and 45 deletions
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46
modules/markout/lib/markout.js
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@ -114,6 +114,7 @@ function MarkOut(sMD, sIndent, req, aParms, fDebug, sMachineFile, fAutoHeading)
this.aMachines = []; // this keeps track of embedded machines on the page
this.buildOptions = {}; // this keeps track of any build options specified on the page
this.aMachineDefs = {}; // this keeps track of any machine definitions at the top of the file (as part of any Jekyll "Front Matter")
this.aCommandDefs = {}; // this keeps track of any command definitions at the top of the file (as part of any Jekyll "Front Matter")
}
/*
@ -426,10 +427,12 @@ MarkOut.prototype.convertMD = function(sIndent)
if (sMD.substr(0, 3) == "---") {
aMatch = sMD.match(/^---([\s\S]*?)---[ \t]*\n*/);
if (aMatch) {
/*
* Remove the Front Matter.
*/
sMD = sMD.replace(aMatch[0], "");
/*
* Extract machine definitions, if any, from the Front Matter.
*/
@ -519,14 +522,31 @@ MarkOut.prototype.convertMD = function(sIndent)
if (id) this.aMachineDefs[id] = machine;
}
}
var aCommandDefs = aMatch[1].match(/\ncommands:([\s\S]*?)\n([^\s]|$)/);
if (aCommandDefs) {
var reCommand = /[ \t]+([^:]+):\s*\|/g;
var aCommands = aCommandDefs[1].split(reCommand);
/*
* Since the preceding RegExp contains a capture group (representing the name of the command),
* it will be "spliced" into the split results. So, aCommands[0] will be whatever characters precede
* the first command (which we can ignore), followed by the first command name, followed by one or more
* command lines, followed by the second command name, followed by one or more command lines, and so on.
*/
for (var iCommand = 1; iCommand < aCommands.length; iCommand += 2) {
this.aCommandDefs[aCommands[iCommand]] = aCommands[iCommand+1].trim().replace(/\n[ \t]*/g, "").replace(/"/g, "&quot;");
}
}
/*
* If a "title" element existed in the Front Matter, this code auto-generates a top-level
* heading with the same value.
* If a "title" element existed in the Front Matter, this code auto-generates a top-level heading
* with the same value.
*/
if (this.fAutoHeading) {
aSubMatch = aMatch[1].match(/title:\s*(.*?)\s*?\n/);
if (aSubMatch) sMD = aSubMatch[1] + "\n---\n\n" + sMD;
}
/*
* If a "build" ID element existed in the Front Matter, capture it.
*/
@ -576,7 +596,7 @@ MarkOut.prototype.convertMD = function(sIndent)
* you want the second paragraph to appear as a code block, it must be indented TWICE (by 8 spaces
* or 2 tabs). That behavior should fall out of this hack as well.
*/
var re = /(^|\n)( ? ?)([\*+-]|[0-9]+\.)([^\n]*\n)([ \t]+[^\n]*\n|\n)+([ \t]+[^\n]+)/g;
var re = /(^|\n)( ? ?)([*+-]|[0-9]+\.)([^\n]*\n)([ \t]+[^\n]*\n|\n)+([ \t]+[^\n]+)/g;
//noinspection UnnecessaryLocalVariableJS
var sMDOrig = sMD;
while ((aMatch = re.exec(sMDOrig))) {
@ -845,7 +865,7 @@ MarkOut.prototype.convertMDList = function(sBlock, sIndent)
var aMatch;
var aMatches = [];
var re = /(^|\n) ? ? ?([\*+-]|[0-9]+\.)[ \t]+/g;
var re = /(^|\n) ? ? ?([*+-]|[0-9]+\.)[ \t]+/g;
while ((aMatch = re.exec(sBlock))) {
aMatches.push(aMatch);
}
@ -946,8 +966,8 @@ MarkOut.prototype.convertMDLinks = function(sBlock)
* page's Front Matter; however, unless/until we start using Node again to host the public site,
* that's low priority.
*/
sBlock = sBlock.replace(/([^\t])\{([\{%]).*?\2}/g, "$1");
sBlock = sBlock.replace(/(\{)([\{%])(.*?\2})/g, "<pre><code>$1$2$3</code></pre>");
sBlock = sBlock.replace(/([^\t])\{([{%]).*?\2}/g, "$1");
sBlock = sBlock.replace(/(\{)([{%])(.*?\2})/g, "<pre><code>$1$2$3</code></pre>");
var aMatch;
var re = /\[([^\[\]]*)]\((.*?)(?:\s*"(.*?)"\)|\))/g;
@ -1283,11 +1303,17 @@ MarkOut.prototype.convertMDMachineLinks = function(sBlock)
var sControl = findParm(aParms, 'type') || 'button';
var sControlType = sControl == 'button'? ' type="button"' : '';
if (this.aMachineDefs[sMachineID]) {
var sCommand = findParm(aParms, 'command');
var sValue = findParm(aParms, 'value');
if (this.aCommandDefs[sCommand]) {
sValue = this.aCommandDefs[sCommand];
sCommand = "script";
}
sReplacement = '<' + sControl + sControlType + ' onclick="commandMachine(';
sReplacement += "'" + sMachineID + "',";
sReplacement += "'" + findParm(aParms, 'component') + "',";
sReplacement += "'" + findParm(aParms, 'command') + "',";
sReplacement += "'" + findParm(aParms, 'value') + "')";
sReplacement += "'" + sCommand + "',";
sReplacement += "'" + sValue + "')";
sReplacement += '">' + (findParm(aParms, 'label') || 'Try It!') + '</' + sControl + '>';
} else {
sReplacement = "<!-- Unrecognized machine ID: " + sMachineID + " -->";
@ -1350,8 +1376,8 @@ MarkOut.prototype.convertMDEmphasis = function(sBlock)
* *[modules](/modules/)*
*/
if (sBlock.indexOf('*') >= 0 || sBlock.indexOf('_') >= 0) {
sBlock = sBlock.replace(/(^|[^a-z0-9-])([\*_])\2([\s\S]*?)\2\2([^a-z0-9-]|$)/gi, "$1<strong>$3</strong>$4");
sBlock = sBlock.replace(/(^|[^a-z0-9-])([\*_])([\s\S]*?)\2([^a-z0-9-]|$)/gi, "$1<em>$3</em>$4");
sBlock = sBlock.replace(/(^|[^a-z0-9-])([*_])\2([\s\S]*?)\2\2([^a-z0-9-]|$)/gi, "$1<strong>$3</strong>$4");
sBlock = sBlock.replace(/(^|[^a-z0-9-])([*_])([\s\S]*?)\2([^a-z0-9-]|$)/gi, "$1<em>$3</em>$4");
}
return sBlock;
};