1 files changed, 24 insertions, 7 deletions
diff --git a/lib/book.js b/lib/book.js
index 2e0ab58..08dd6dc 100644
--- a/lib/book.js
+++ b/lib/book.js
@@ -10,6 +10,7 @@ var fs = require("./utils/fs");
 var parseNavigation = require("./utils/navigation");
 var parseProgress = require("./utils/progress");
 var pageUtil = require("./utils/page");
+var pathUtil = require("./utils/path");
 var batch = require("./utils/batch");
 var links = require("./utils/links");
 var i18n = require("./utils/i18n");
@@ -512,7 +513,7 @@ Book.prototype.parsePage = function(filename, options) {
     var interpolate = function(fn) {
         return Q(fn(page))
         .then(function(_page) {
-            page = _page;
+            page = _page || page;
         });
     };
 
@@ -630,21 +631,26 @@ Book.prototype.findFile = function(filename) {
 // Check if a file exists in the book
 Book.prototype.fileExists = function(filename) {
     return fs.exists(
-        path.join(this.root, filename)
+        this.resolve(filename)
     );
 };
 
+// Check if a file path is inside the book
+Book.prototype.fileIsInBook = function(filename) {
+    return pathUtil.isInRoot(this.root, filename);
+};
+
 // Read a file
 Book.prototype.readFile = function(filename) {
     return fs.readFile(
-        path.join(this.root, filename),
+        this.resolve(filename),
         { encoding: "utf8" }
     );
 };
 
 // Return stat for a file
 Book.prototype.statFile = function(filename) {
-    return fs.stat(path.join(this.root, filename));
+    return fs.stat(this.resolve(filename));
 };
 
 // List all files in the book
@@ -702,9 +708,20 @@ Book.prototype.isEntryPoint = function(fp) {
     return fp == this.readmeFile;
 };
 
-// Resolve a path in book
-Book.prototype.resolve = function(p) {
-    return path.resolve(this.root, p);
+// Alias to book.config.get
+Book.prototype.getConfig = function(key, def) {
+    return this.config.get(key, def);
+};
+
+// Resolve a path in the book source
+// Enforce that the output path in the root folder
+Book.prototype.resolve = function() {
+    return pathUtil.resolveInRoot.apply(null, [this.root].concat(_.toArray(arguments)));
+};
+
+// Convert an abslute path into a relative path to this
+Book.prototype.relative = function(p) {
+    return path.relative(this.root, p);
 };
 
 // Normalize a path to .html and convert README -> index