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added(colors): basic support for syntax highlight in code blocks

This commit is contained in:
quenousimporte 2023-09-25 13:22:22 +02:00
parent b73d152aeb
commit e890b9bd0f
1 changed files with 29 additions and 13 deletions
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42
main.js
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@ -400,7 +400,7 @@ var snippets = [
insert: "• "
},
{
command: "//",
command: "/comment",
insert: "<!--\n\n-->",
cursor: -4
}];
@ -2081,6 +2081,11 @@ function escapeHtml(unsafe) {
.replace(/'/g, "&#039;");
}
var languagekeywords = {
"sql": ["select", "from", "where", "and", "or"],
"js": ["var", "for", "if", "else"]
}
function applycolors()
{
if (!settings.colors)
@ -2089,8 +2094,9 @@ function applycolors()
}
var lines = md.value.split("\n");
header = false;
code = false;
var header = false;
var code = false;
var language = "";
var result = [];
lines.every( (line, i) =>
{
@ -2130,21 +2136,27 @@ function applycolors()
if (line.startsWith("```") && !code)
{
code = true;
//lg = line.substring(3);
line = "<div style='background:lightgrey'>" + line;
language = line.substring(3);
line = "<span style='font-family:monospace;color:rgb(70,70,70);'>" + line;
}
if (line == "```" && code)
else if (line == "```" && code)
{
code = false;
line = line + "</div>";
language = "";
line = line + "</span>";
}
/*else if (code)
else if (code)
{
line = line.replace(/(select)/ig, "<b style='color:" + settings.accentcolor + "'>$1</b>");
line = line.replace(/(from)/ig, "<b style='color:" + settings.accentcolor + "'>$1</b>");
line = line.replace(/(where)/ig, "<b style='color:" + settings.accentcolor + "'>$1</b>");
/// todo: keywords by language. whole word only. use a loop. etc.
}*/
if (languagekeywords[language])
{
var keywords = languagekeywords[language];
keywords.forEach(keyword =>
{
var r = new RegExp("(" + keyword + ")", "ig");
line = line.replace(new RegExp("\\b(" + keyword + ")\\b", "ig"), "<b>$1</b>");
})
}
}
// internal links
line = line.replace(/(\[\[.*\]\])/g, "<u><span style='cursor:pointer'>$1</span></u>");
@ -2156,6 +2168,10 @@ function applycolors()
// comments
line = line.replace(/&lt;\!/g, "<span style='color:lightgrey'>&lt;!");
line = line.replace(/\-\-&gt;/g, "--></span>");
if (line.startsWith("// "))
{
line = "<span style='color:lightgrey'>" + line + "</span>";
}
result.push(line);