Add a --conform-includes flag to specify include path for the conform schema

(mirrored from cl 133146933)

Change-Id: I61385289728777cae83139fef0229001d92382ca

src/flatc.cpp

@@ -133,6 +133,8 @@ static void Error(const std::string &err, bool usage, bool show_exe_name) {
       "  --schema           Serialize schemas instead of JSON (use with -b)\n"
       "  --conform FILE     Specify a schema the following schemas should be\n"
       "                     an evolution of. Gives errors if not.\n"
+      "  --conform-includes Include path for the schema given with --conform\n"
+      "    PATH             \n"
       "FILEs may be schemas, or JSON files (conforming to preceding schema)\n"
       "FILEs after the -- must be binary flatbuffer format files.\n"
       "Output files are named using the base file name of the input,\n"
@@ -169,6 +171,7 @@ int main(int argc, const char *argv[]) {
   bool schema_binary = false;
   std::vector<std::string> filenames;
   std::vector<const char *> include_directories;
+  std::vector<const char *> conform_include_directories;
   size_t binary_files_from = std::numeric_limits<size_t>::max();
   std::string conform_to_schema;
   for (int argi = 1; argi < argc; argi++) {
@@ -185,6 +188,9 @@ int main(int argc, const char *argv[]) {
       } else if(arg == "--conform") {
         if (++argi >= argc) Error("missing path following" + arg, true);
         conform_to_schema = argv[argi];
+      } else if (arg == "--conform-includes") {
+        if (++argi >= argc) Error("missing path following" + arg, true);
+        conform_include_directories.push_back(argv[argi]);
       } else if(arg == "--strict-json") {
         opts.strict_json = true;
       } else if(arg == "--allow-non-utf8") {
@@ -265,7 +271,8 @@ int main(int argc, const char *argv[]) {
     std::string contents;
     if (!flatbuffers::LoadFile(conform_to_schema.c_str(), true, &contents))
       Error("unable to load schema: " + conform_to_schema);
-    ParseFile(conform_parser, conform_to_schema, contents, include_directories);
+    ParseFile(conform_parser, conform_to_schema, contents,
+              conform_include_directories);
   }
 
   // Now process the files: