From cc847eb79e094d39173d36d5808e609d11abd78e Mon Sep 17 00:00:00 2001
From: Anselme <anselme.francois@gmail.com>
Date: Thu, 31 Mar 2016 17:14:08 +0200
Subject: [PATCH] added temp implementation of resource manager

---
 resource/main.cpp   | 64 +++++++++++++++++++++++++++++++++++++++++++++
 resource/resource.h | 13 +++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 resource/main.cpp
 create mode 100644 resource/resource.h

diff --git a/resource/main.cpp b/resource/main.cpp
new file mode 100644
index 0000000..fb22ad0
--- /dev/null
+++ b/resource/main.cpp
@@ -0,0 +1,64 @@
+#include <cstdio>
+#include <string>
+
+using namespace std;
+
+#define NB_VAL_PER_LINE 256
+
+bool addFile(const string &inFile, FILE *out)
+{
+    static unsigned int n = 0;
+    FILE *in = fopen(inFile.c_str(), "r");
+    if(in == NULL)
+    {
+        fprintf(stderr, "can't open \"%s\" for readingn", inFile.c_str());
+        return false;
+    }
+    fprintf(out, "\n\tunsigned char data%d[] = {\n", n);
+    unsigned char ptr[NB_VAL_PER_LINE];
+    size_t nbRead;
+    do
+    {
+        nbRead = fread(ptr, sizeof(unsigned char), NB_VAL_PER_LINE, in);
+        for(unsigned int i=0; i<nbRead; ++i)
+            fprintf(out, i ? ",0x%x" : "\t\t0x%x", ptr[i]);
+        fprintf(out, "\n\t");
+    }
+    while(nbRead == NB_VAL_PER_LINE);
+    fprintf(out, "};\n\tresourceFilesData[std::string(\"%s\")] = data%d;\n", inFile.c_str(), n);
+    ++n;
+    fclose(in);
+    return true;
+}
+
+int main(int argc, char *argv[])
+{
+    if(argc < 3)
+    {
+        printf("usage : %s RESOURCE_FILE.cpp [LIST_OF_FILES_TO_BAKE]\n", argv[0]);
+        return EXIT_SUCCESS;
+    }
+    
+    FILE *out = fopen(argv[1], "w");
+    if(out == NULL)
+    {
+        fprintf(stderr, "can't open \"%s\" for writing\n", argv[1]);
+        return EXIT_FAILURE;
+    }
+    
+    fprintf(out, "#include <string>\n#include <unordered_map>\n\nnamespace Resource {\nstd::unordered_map<std::string, unsigned char*> *resourceFilesData;\n\nvoid initResourceData()\n{\n\tresourceFilesData = new std::unordered_map<std::string, unsigned char*>();\n");
+    for(int i=2; i<argc; ++i)
+    {
+        if(!addFile(argv[i], out))
+        {
+            fclose(out);
+            return EXIT_FAILURE;
+        }
+        else
+            printf("successfully added \"%s\" to \"%s\".\n", argv[i], argv[1]);
+    }
+    fprintf(out, "\n}\n\nunsigned char* get(std::string fileName)\n{\n\tif(resourceFilesData->count(fileName) > 0)\n\t\treturn (*resourceFilesData)[fileName];\n\telse\n\t\treturn NULL;\n}\n}\n");
+    fclose(out);
+    printf("successfully created resource file \"%s\".\n", argv[1]);
+    return EXIT_SUCCESS;
+}
diff --git a/resource/resource.h b/resource/resource.h
new file mode 100644
index 0000000..02834ae
--- /dev/null
+++ b/resource/resource.h
@@ -0,0 +1,13 @@
+#ifndef RES_H
+#define RES_H
+
+#include <string>
+#include <unordered_map>
+
+namespace Resource {
+    extern void initResourceData();
+    extern unsigned char *get();
+}
+
+
+#endif // RES_H