Implemented multi-binary app packaging (#648)

Modules/app-module/source/manifest.cpp

@@ -1,15 +1,30 @@
 #include <app/manifest.h>
-#include <app/private/metadata_parsing_internal.h>
+#include <app/private/package_manifest_parsing.h>
 #include <stdlib.h>
 #include <string.h>
 
 extern "C" {
 
-bool app_id_is_valid(const char* id) {
+bool app_manifest_id_is_valid(const char* id) {
     auto size = strlen(id);
-    return size >= 5 && size <= APP_ID_LENGTH && app_metadata_validate_string(id, [](char c) {
+    return size >= 5 && size <= APP_MANIFEST_ID_LENGTH && app_package_manifest_validate_string(id, [](char c) {
         return std::isalnum(static_cast<unsigned char>(c)) != 0 || c == '.';
     });
 }
 
+bool app_manifest_name_is_valid(const char* name) {
+    auto size = strlen(name);
+    return size >= 2 && size <= APP_MANIFEST_NAME_LENGTH && app_package_manifest_validate_string(name, [](char c) {
+        return std::isalnum(static_cast<unsigned char>(c)) != 0 || c == ' ' || c == '-';
+    });
+}
+
+bool app_manifest_stack_size_is_valid(const char* value) {
+    // 10 digits is the maximum decimal width of uint32_t.
+    auto size = strlen(value);
+    return size > 0 && size <= 10 && app_package_manifest_validate_string(value, [](char c) {
+        return std::isdigit(static_cast<unsigned char>(c)) != 0;
+    });
+}
+
 }