emojify.js

/* jshint node:true */

var setEmojis = require('./setEmoji.js');

module.exports = function (md) {
    return emoji.bind(null, md);
};

function get(state, line) {
    var pos = state.bMarks[line];
    var max = state.eMarks[line];
    return state.src.substr(pos, max - pos);
}

function emoji(md, state, start, end) {
    if (start !== 0 || state.blkIndent !== 0) {
        return false;
    }
    if (state.tShift[start] < 0) {
        return false;
    }
    var data = [];
    for (var line = start; line < end; line++) {
        var str = get(state, line);
        if (str.match(/^---$/)) {
            break;
        }
        if (state.tShift[line] < 0) {
            break;
        }
        data.push(setEmojis(str));
    }

    
    state.src = data.join('\n') || {};
    
    if (line >= end) {
        return false;
    }
    state.line = line + 1;
    return true;
}