#!/usr/bin/env node

var fs = require("fs");

var text = "";

var addBookmark = process.argv.indexOf("--bookmark") > -1;

process.stdin.resume();

process.stdin.on("data", function(data) {

text += data.toString("utf8");

});

process.stdin.on("end", function() {

var pre = "";

if (addBookmark) {

var mark = hash(toPlainText(text));

pre = "<a class=c_ident id=\"c_" + mark + "\" href=\"#c_" + mark + "\"></a>";

}

var out = highlight(text, process.argv[process.argv.indexOf("-s") + 1].toLowerCase())

process.stdout.write(pre + out, "utf8");

});

function hash(string) {

var sum = require("crypto").createHash("sha1");

sum.update(string);

return sum.digest("base64").slice(0, 10);

}

function toPlainText(text) {

return text.replace(/<[^>]+>|&[^;]+;/g, "");

}

function startAndEnd(text) {

var words = text.split(/\W+/);

if (!words[0]) words.shift();

if (!words[words.length - 1]) words.pop();

if (words.length <= 6) return words.join(" ");

return words.slice(0, 3).join(" ") + " " + words.slice(words.length - 3).join(" ");

}

CodeMirror = require("../node_modules/codemirror/addon/runmode/runmode.node.js");

require("../node_modules/codemirror/mode/meta.js");

function ensureMode(name) {

if (CodeMirror.modes[name] || name == "null") return;

try {

require("../node_modules/codemirror/mode/" + name + "/" + name + ".js");

} catch(e) {

console.error("Could not load mode " + name + ".");

process.exit(1);

}

var obj = CodeMirror.modes[name];

if (obj.dependencies) obj.dependencies.forEach(ensureMode);

}

function esc(str) {

return str.replace(/[<&]/g, function(ch) { return ch == "&" ? "&amp;" : "&lt;"; });

}

function highlight(code, lang) {

var modeName = lang;

CodeMirror.modeInfo.forEach(function(info) {

if (info.mime == lang) {

modeName = info.mode;

} else if (info.name.toLowerCase() == lang) {

modeName = info.mode;

lang = info.mime;

}

});

ensureMode(modeName);

var curStyle = null, accum = "", output = "";

function flush() {

if (curStyle) output += "<span class=\"" + curStyle.replace(/(^|\s+)/g, "$1cm-") + "\">" + esc(accum) + "</span>";

else output += esc(accum);

}

CodeMirror.runMode(code, lang, function(text, style) {

if (style != curStyle) {

flush();

curStyle = style; accum = text;

} else {

accum += text;

}

});

flush();

return output;

}