chore: import upstream snapshot with attribution

2026-07-13 13:33:03 +08:00
commit 5b57521aa1
8226 changed files with 3425766 additions and 0 deletions
@@ -0,0 +1,45 @@
+//
+//  CaffeUtils.cpp
+//  MNNConverter
+//
+//  Created by MNN on 2019/01/31.
+//  Copyright © 2018, Alibaba Group Holding Limited
+//
+
+#include "CaffeUtils.hpp"
+
+#include <fstream>
+
+bool read_proto_from_text(const char* filepath, google::protobuf::Message* message) {
+    std::ifstream fs(filepath, std::ifstream::in);
+    if (!fs.is_open()) {
+        fprintf(stderr, "open failed %s\n", filepath);
+        return false;
+    }
+
+    google::protobuf::io::IstreamInputStream input(&fs);
+    bool success = google::protobuf::TextFormat::Parse(&input, message);
+
+    fs.close();
+
+    return success;
+}
+
+bool read_proto_from_binary(const char* filepath, google::protobuf::Message* message) {
+    std::ifstream fs(filepath, std::ifstream::in | std::ifstream::binary);
+    if (!fs.is_open()) {
+        printf("open failed %s\n", filepath);
+        return false;
+    }
+    google::protobuf::io::IstreamInputStream input(&fs);
+    google::protobuf::io::CodedInputStream codedstr(&input);
+#if GOOGLE_PROTOBUF_VERSION >= 3011000
+    codedstr.SetTotalBytesLimit(INT_MAX);
+#else
+    codedstr.SetTotalBytesLimit(INT_MAX, INT_MAX/2);
+#endif
+    bool success = message->ParseFromCodedStream(&codedstr);
+    fs.close();
+
+    return success;
+}