lib/main.js


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var fs = require("fs");
var path = require("path");

var mammoth = require("./");
var promises = require("./promises");
var htmlPaths = require("./html-paths");

function main(argv) {
    var docxPath = argv["docx-path"];
    var outputPath = argv["output-path"];
    var outputDir = argv["output-dir"];
    var styleMapPath = argv["style-map"];
    
    readStyleMap(styleMapPath).then(function(styleMap) {
        var options = {
            styleMap: styleMap
        };
        
        if (outputDir) {
            var basename = path.basename(docxPath, ".docx");
            outputPath = path.join(outputDir, basename + ".html");
            var imageIndex = 0;
            options.convertImage = function(element, html, messages, callback) {
                imageIndex++;
                var extension = element.contentType.split("/")[1];
                var filename = imageIndex + "." + extension;
                
                element.read().then(function(imageBuffer) {
                    var imagePath = path.join(outputDir, filename);
                    return promises.nfcall(fs.writeFile, imagePath, imageBuffer);
                }).then(function() {
                    var attributes = {src: filename};
                    if (element.altText) {
                        attributes.alt = element.altText;
                    }
                    html.selfClosing(htmlPaths.element("img", attributes));
                    callback();
                }).fail(callback);
            };
        }
        
        return mammoth.convertToHtml({path: docxPath}, options)
            .then(function(result) {
                var outputStream = outputPath ? fs.createWriteStream(outputPath) : process.stdout;
                
                outputStream.write(result.value);
            })
    }).done();
}

function readStyleMap(styleMapPath) {
    if (styleMapPath) {
        return promises.nfcall(fs.readFile, styleMapPath, "utf8");
    } else {
        return promises.resolve(null);
    }
}

module.exports = main;