--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Resources/EmbedStaticAssets.py	Thu Jun 15 09:48:46 2023 +0200
@@ -0,0 +1,132 @@
+#!/usr/bin/python3
+
+# SPDX-FileCopyrightText: 2023 Sebastien Jodogne, UCLouvain, Belgium
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# OHIF plugin for Orthanc
+# Copyright (C) 2023 Sebastien Jodogne, UCLouvain, Belgium
+#
+# This program is free software: you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+
+import gzip
+import hashlib
+import io
+import os
+import sys
+
+if len(sys.argv) != 3:
+    raise Exception('Usage: %s [source folder] [target C++]' % sys.argv[0])
+
+SOURCE = sys.argv[1]
+TARGET = sys.argv[2]
+
+if not os.path.isdir(SOURCE):
+    raise Exception('Nonexistent source folder: %s' % SOURCE)
+
+
+def EncodeFileAsCString(f, variable, content):
+    f.write('static const uint8_t %s[%d] = \n  "' % (variable, len(content) + 1))
+    
+    column = 0
+        
+    for c in content:
+        
+        if sys.version_info < (3, 0):
+            # Python 2.7
+            i = ord(c)
+        else:
+            # Python 3.x
+            i = c
+            
+        if i < 32 or i >= 127 or i == ord('?'):
+            f.write('\\{0:03o}'.format(i))
+        elif i in [ ord('"'), ord('\\') ]:
+            f.write('\\' + chr(i))
+        else:
+            f.write(chr(i))
+
+        column += 1
+        if column >= 120:
+            f.write('"\n  "')
+            column = 0
+            
+    f.write('";\n\n')
+
+
+def WriteChecksum(f, variable, content):
+    md5 = hashlib.md5(content).hexdigest()
+    g.write('static const char* %s = "%s";\n\n' % (variable, md5))
+
+
+with open(TARGET, 'w') as g:
+    g.write('''
+#include <stdint.h>
+#include <Compression/GzipCompressor.h>
+#include <OrthancException.h>
+#include <Toolbox.h>
+
+static void Uncompress(std::string& target, const void* data, size_t size, const std::string& md5Expected)
+{
+  Orthanc::GzipCompressor compressor;
+  compressor.Uncompress(target, data, size);
+  std::string md5Actual;
+  Orthanc::Toolbox::ComputeMD5(md5Actual, target);
+  if (md5Actual != md5Expected)
+  {
+    throw Orthanc::OrthancException(Orthanc::ErrorCode_CorruptedFile);
+  }
+}
+
+''')    
+
+    index = {}
+    count = 0
+
+    for root, dirs, files in os.walk(SOURCE):
+        for f in files:
+            fullPath = os.path.join(root, f)
+            relativePath = os.path.relpath(os.path.join(root, f), SOURCE)
+            variable = 'data_%06d' % count
+
+            with open(fullPath, 'rb') as source:
+                content = source.read()
+
+            if sys.version_info < (3, 0):
+                # Python 2.7
+                fileobj = io.BytesIO()
+                gzip.GzipFile(fileobj=fileobj, mode='w').write(content)
+                compressed = fileobj.getvalue()
+            else:
+                # Python 3.x
+                compressed = gzip.compress(content)
+
+            EncodeFileAsCString(g, variable, compressed)
+            WriteChecksum(g, variable + '_md5', content)
+
+            index[relativePath] = variable
+
+            count += 1
+    
+    g.write('void ReadStaticAsset(std::string& target, const std::string& path)\n')
+    g.write('{\n')
+    for (path, variable) in index.items():
+        g.write('  if (path == "%s")\n' % path)
+        g.write('  {\n')
+        g.write('    Uncompress(target, %s, sizeof(%s) - 1, %s_md5);\n' % (variable, variable, variable))
+        g.write('    return;\n')
+        g.write('  }\n\n')
+
+    g.write('  throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentItem, "Unknown OHIF resource: " + path);\n')
+    g.write('}\n')