Add support for reading file URIs

3 files changed, 51 insertions, 0 deletions

diff --git a/lib/docx/files.js b/lib/docx/files.js
new file mode 100644
index 0000000..6596a01
--- /dev/null
+++ b/lib/docx/files.js
@@ -0,0 +1,27 @@
+var fs = require("fs");
+
+var promises = require("../promises");
+
+
+exports.Files = Files;
+
+
+function Files() {
+    function read(path, encoding) {
+        // TODO: check whether this works for Windows file URIs
+        var fileUriPrefix = "file:///";
+        if (startsWith(path, fileUriPrefix)) {
+            return readFile(path.slice(fileUriPrefix.length - 1), encoding);
+        }
+    }
+    
+    return {
+        read: read
+    };
+}
+
+var readFile = promises.promisify(fs.readFile.bind(fs));
+
+function startsWith(string, search) {
+    return string.indexOf(search) === 0;
+}
diff --git a/tests/docx/files.tests.js b/tests/docx/files.tests.js
new file mode 100644
index 0000000..d3f3391
--- /dev/null
+++ b/tests/docx/files.tests.js
@@ -0,0 +1,24 @@
+var path = require("path");
+var fs = require("fs");
+var assert = require("assert");
+
+var promises = require("../../lib/promises");
+var Files = require("../../lib/docx/files").Files;
+
+var testing = require("../testing");
+var test = testing.test;
+
+var readFile = promises.promisify(fs.readFile.bind(fs));
+
+
+describe("Files", function() {
+    test("can open files with file URI", function() {
+        var filePath = path.resolve(testing.testPath("tiny-picture.png"));
+        var files = new Files(null);
+        return files.read("file:///" + filePath.replace(/^\//, ""), "base64").then(function(contents) {
+            return readFile(filePath, "base64").then(function(expectedContents) {
+                assert.deepEqual(contents, expectedContents);
+            });
+        });
+    });
+});
diff --git a/tests/test-data/tiny-picture.png b/tests/test-data/tiny-picture.png
new file mode 100644
index 0000000..74cb4ba
--- /dev/null
+++ b/tests/test-data/tiny-picture.png