fix: Add C++ Source files to the Sources group

They were wrongly being added to Resources.

Author: mbektchiev

lib/pbxFile.js

@@ -1,5 +1,7 @@
 var $path = require('path'),
     util = require('util'),
+    HEADER_FILE_TYPE_SUFFIX = ".h",
+    SOURCE_CODE_FILE_TYPE_PREFIX = "sourcecode.",
     M_EXTENSION = /[.]m$/, SOURCE_FILE = 'sourcecode.c.objc',
     C_EXTENSION = /[.]c$/, C_SOURCE_FILE = 'sourcecode.c',
     H_EXTENSION = /[.]h$/, HEADER_FILE = 'sourcecode.c.h',
@@ -32,6 +34,14 @@ function fileTypes() {
     }
 }
 
+function isSourceOrHeaderFileType(fileType) {
+    return fileType.startsWith(SOURCE_CODE_FILE_TYPE_PREFIX);
+}
+
+function isHeaderFileType(fileType) {
+    return fileType.endsWith(HEADER_FILE_TYPE_SUFFIX);
+}
+
 function detectLastType(path) {
     if (M_EXTENSION.test(path))
         return SOURCE_FILE;
@@ -65,10 +75,10 @@ function detectLastType(path) {
 
     if (ARCHIVE_EXTENSION.test(path))
         return ARCHIVE;
-        
+
     if (PNG_EXTENSION.test(path))
         return PNG_IMAGE;
-        
+
     // dunno
     return 'unknown';
 }
@@ -98,7 +108,7 @@ function correctPath(file, filepath) {
 }
 
 function correctGroup(file) {
-    if (file.lastType == SOURCE_FILE) {
+    if (isSourceOrHeaderFileType(file.lastType) && !isHeaderFileType(file.lastType)) {
         return 'Sources';
     } else if (file.lastType == DYLIB || file.lastType == ARCHIVE || file.lastType == FRAMEWORK) {
         return 'Frameworks';
@@ -137,5 +147,7 @@ function pbxFile(filepath, opt) {
 
 module.exports = {
     pbxFile: pbxFile,
-    fileTypes: fileTypes
+	fileTypes: fileTypes,
+	isSourceOrHeaderFileType,
+	isHeaderFileType,
 }