Implement JSON

apps/tjsonpretty.cpp

@@ -0,0 +1,73 @@
+#include "TessesFramework/TessesFramework.hpp"
+using namespace Tesses::Framework::Streams;
+using namespace Tesses::Framework::Serialization::Json;
+using namespace Tesses::Framework::TextStreams;
+FileStream* OpenWrite(std::string dest)
+{
+    if(dest == "-")
+    {
+        return new FileStream(stdout,false,"w");
+    }
+    else
+    {
+        FileStream* strm = new FileStream(dest,"w");
+        if(!strm->CanWrite())
+        {
+            delete strm;
+            return nullptr;
+        }
+        return strm;
+    }
+}
+FileStream* OpenRead(std::string src)
+{
+    if(src == "-")
+    {
+        return new FileStream(stdin,false,"r");
+    }
+    else
+    {
+        FileStream* strm = new FileStream(src,"r");
+        if(!strm->CanRead())
+        {
+            delete strm;
+            return nullptr;
+        }
+        return strm;
+    }
+}
+int main(int argc, char** argv)
+{
+    if(argc < 3)
+    {
+        std::cout << "USAGE: " << argv[0] << " SRC DEST" << std::endl;
+        std::cout << "SRC: json file or - for stdin to make pretty" << std::endl;
+        std::cout << "DEST: prettied file or - for stdout" << std::endl;
+        return 0;
+    }
+    FileStream* src = OpenRead(argv[1]);
+
+    FileStream* dest = OpenWrite(argv[2]);
+
+    if(src == nullptr)
+    {
+        if(dest != nullptr) delete dest;
+        std::cerr << "ERROR: Input could not be read" << std::endl;
+        return 1;
+    }
+    if(dest == nullptr)
+    {
+        delete src;
+        std::cerr << "ERROR: Output could not be read" << std::endl;
+        return 1;
+    }
+
+    StreamReader reader(src,true);
+    StreamWriter writer(dest,true);
+
+    auto str = reader.ReadToEnd();
+    writer.WriteLine(Json::Encode(Json::Decode(str)));
+
+
+    return 0;
+}