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exports.read = read;
var q = require("q");
var unzip = require("./unzip");
var path = require("path");
var fs = require("fs");
var officeXmlReader = require("./office-xml-reader");
var documents = require("./documents");
var DocumentXmlReader = require("./document-xml-reader").DocumentXmlReader;
var Result = require("./results").Result;
function read(options) {
var docxFile;
if (options.path) {
docxFile = unzip.unzipStream(fs.createReadStream(options.path));
} else if (options.file) {
docxFile = options.file;
} else if (options.uint8Array) {
docxFile = unzip.unzipUint8Array(options.uint8Array);
} else {
return q.reject(new Error("Could not find file in options"));
}
return q.when(docxFile, function(docxFile) {
return q.all([
readXmlFile(docxFile, "word/_rels/document.xml.rels"),
readXmlFile(docxFile, "word/document.xml")
]).spread(function(relationshipsXml, documentXml) {
var relationships = relationshipsXml ? readRelationships(relationshipsXml) : {};
var contentTypes = {
findContentType: function(path) {
return "image/png";
}
};
var reader = new DocumentXmlReader(relationships, contentTypes, docxFile);
return reader.convertXmlToDocument(documentXml);
});
});
}
function readXmlFile(docxFile, path) {
if (docxFile.exists(path)) {
return docxFile.read(path, "utf-8")
.then(officeXmlReader.read);
} else {
return null;
}
}
function readRelationships(relationshipsXml) {
var relationships = {};
relationshipsXml.root.children.forEach(function(child) {
if (child.name === "{http://schemas.openxmlformats.org/package/2006/relationships}:Relationship") {
relationships[child.attributes.Id] = {
target: child.attributes.Target
};
}
});
return relationships;
}
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