manolo/parsething.js

troff/groff file parser

var line = "-w \\fRor\\fP --path",

    fonts = {
        B: 'bold',
        I: 'italics',
        R: 'roman'
    },

    FONTS = fonts;

function doFormat(str, font) {
    var mark = str.indexOf('\\f'),
        start = 0,
        pieces = [];

    fonts.P = font;

    if (mark === -1) {
        return [{ type: font, text: str }];
    }

    while (mark < str.length && mark > -1) {
         console.log('mark ', mark);
         console.log('str ', str);
        pieces.push({ type: font, text: str.substr(start, mark) });

        font = fonts[str.charAt(mark + 2)];
        str = str.substr(mark + 3);
        mark = str.indexOf('\\f');

         console.log('str', str);
         console.log('mark ', mark);
         console.log(font);
        //mark = 1000
    }

    if (str.length) {
        pieces.push({ type: font, text: str });
    }
    
    return pieces;
}

function inlineFormat(str, font, nodeList) {
    var mark = str.indexOf('\\f'),
        start = 0;

    console.log(nodeList)

    FONTS.P = font;

    if (mark === -1) {
        nodeList.push({ type: font, text: str });
    }

    while (mark < str.length && mark > -1) {
        nodeList.push({ type: font, text: str.substr(start, mark) });

        font = fonts[str.charAt(mark + 2)];
        str = str.substr(mark + 3);
        mark = str.indexOf('\\f');
    }

    if (str.length) {
        nodeList.push({ type: font, text: str });
    }
}

var thingz = [];

inlineFormat(line, 'bold', thingz)
console.log(thingz);