Passes full file path to the replacement function

README.md

@@ -21,6 +21,19 @@ gulp.task('templates', function(){
     .pipe(gulp.dest('build/file.txt'));
 });
 ```
+### Use FilePath
+```javascript
+var replace = require('gulp-replace');
+
+gulp.task('templates', function(){
+  gulp.src(['file.txt'])
+    .pipe(replace(/foo(.{3})/g, function($0, str){
+		return str + 'foo' + this.filePath;
+	}, {passFileName: true}))
+    .pipe(gulp.dest('build/file.txt'));
+});
+```
+
 ### String Replace
 ```javascript
 var replace = require('gulp-replace');
@@ -61,6 +74,8 @@ Type: `String` or `Function`
 
 The replacement string or function. See the [MDN documentation for String.replace] for details.
 
+if `Function` and `options.passFileName` is true, then Function within the filePath is equal to the current file `file.path`.
+
 ### gulp-replace options
 
 An optional third argument, `options`, can be passed.
@@ -69,11 +84,17 @@ An optional third argument, `options`, can be passed.
 Type: `Object`
 
 ##### options.skipBinary
-Type: `boolean`  
+Type: `boolean`
 Default: `false`
 
 Skip binary files
 
+##### options.passFileName
+Type: `boolean`
+Default: `false`
+
+Passes full file path to the replacement function
+
 
 [MDN documentation for RegExp]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp
 [MDN documentation for String.replace]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/replace#Specifying_a_string_as_a_parameter

index.js

@@ -5,6 +5,8 @@ var rs = require('replacestream');
 var istextorbinary = require('istextorbinary');
 
 module.exports = function(search, replacement, options) {
+  var userReplacement = replacement;
+
   return new Transform({
     objectMode: true,
     transform: function(file, enc, callback) {
@@ -55,20 +57,39 @@ module.exports = function(search, replacement, options) {
         callback(null, file);
       }
 
-      if (options && options.skipBinary) {
-        istextorbinary.isText(file.path, file.contents, function(err, result) {
-          if (err) {
-            return callback(err, file);
-          }
+      if (options) {
+        if (options.passFileName && typeof replacement === 'function') {
+          var context = {
+            filePath: file.path
+          };
+          replacement = userReplacement.bind(context);
 
-          if (!result) {
-            callback(null, file);
-          } else {
-            doReplace();
-          }
-        });
+          // replacement = (function(path){
+          //   return function () {
+          //     var context = {
+          //       filePath: path
+          //     };
+          //     return userReplacement.apply(context, arguments);
+          //   };
+          // })(file.path);
+        }
+
+        if(options.skipBinary) {
+          istextorbinary.isText(file.path, file.contents, function(err, result) {
+            if (err) {
+              return callback(err, file);
+            }
+
+            if (!result) {
+              callback(null, file);
+            } else {
+              doReplace();
+            }
+          });
+
+          return;
+        }
 
-        return;
       }
 
       doReplace();

package.json

@@ -1,6 +1,6 @@
 {
-  "name": "gulp-replace",
-  "version": "0.5.4",
+  "name": "gulp-replace-fix",
+  "version": "0.6.4",
   "description": "A string replace plugin for gulp",
   "dependencies": {
     "istextorbinary": "1.0.2",