JString now streams properly.

JString.cpp

@@ -3,9 +3,14 @@
 
 namespace coreutils {
 
-   JString::JString() : MString("{}") {}
+   std::ostream &operator<<(std::ostream &os, const JString::Proxy &proxy) {
+      ZString tempkey = proxy.key;
+      ZString temp = proxy.jstring.find(tempkey);
+      os << temp;
+      return os;
+   }
    
-//   JString::JString(const char *data) : MString(data) {}
+   JString::JString() : MString("{}") {}
 
    void JString::set(ZString &path, ZString &value) {
       reset();
@@ -49,9 +54,11 @@ namespace coreutils {
 	   return getTokenExclude("\"");
 // TODO: Handle numbers that are not in double quotes.
 
-         if(startsWith("[")) {
+         else if(startsWith("[")) 
-            std::cout << getContainer() << std::endl;
+	   return getContainer();
-         }
+         
+         else if(startsWith("{")) 
+	   return getContainer();         
       }
       return ZString();
    }
@@ -71,8 +78,7 @@ namespace coreutils {
               throw coreutils::Exception("Labels must be contained in double quotes.");
             if(ifNext(":")) {
                if(label == path[0]) {
-                  if(path.getList().size() == 1)
+                  if(path.getList().size() == 1) {
-		    {
 //		       std::cout << "found cursor: " << unparsed() << std::endl;
 		     return true;
 		  }

JString.h

@@ -33,7 +33,6 @@ namespace coreutils {
     public:
 
       JString();
-//      JString(const char *data);
       
       void set(ZString &path, ZString &value);
 
@@ -45,28 +44,46 @@ namespace coreutils {
 
       ZString find(ZString &path);
       
-    private:
       bool locate(ZString &path);
       bool notfirst;
       ZString path;
-      ZString keyx;
+
+      class Proxy {
 
        public:
+	 Proxy(JString &jstring, ZString key) : jstring(jstring), key(key) {}
 
-      operator ZString () {
+	 friend std::ostream &operator<<(std::ostream &os, const Proxy &proxy);
-	 std::cout << "operator0" << std::endl;
+
-	 return find(keyx);
+	 operator coreutils::ZString () {
+//	    std::cout << "operator to ZString: " << key << std::endl;
+	    return jstring.find(key);
 	 }
 
-      JString &operator[](coreutils::ZString key) {
+	 operator coreutils::MString () {
-	 std::cout << "operator[" << key << "]" << std::endl;
+//	    std::cout << "operator to MString: " << key << std::endl;
-	 keyx = key;
+	    return jstring.find(key);
+	 }
+
+	 Proxy& operator=(coreutils::ZString value) {
+//	    std::cout << "proxy operator=" << value << std::endl;
+	    jstring.set(key, value);
 	    return *this;
 	 }
 
+       private:
+   	 JString &jstring;
+	 ZString key;
+      };
+
+      Proxy operator[](coreutils::ZString key) {
+//	 std::cout << "operator[" << key << "]" << std::endl;
+	 return Proxy(*this, key);
+      }
+      
       JString & operator=(coreutils:: ZString value) {	 
-	 std::cout << "should set key [" << keyx << "] operator=" << value << std::endl;
+	 std::cout << "operator=" << value << std::endl;
-	 set(keyx, value);
+
 	 return *this;
       }
       

JString.h.old

@@ -1,90 +0,0 @@
-#ifndef __JString_h__
-#define __JString_h__
-
-#include "MString.h"
-#include <iostream>
-#include <sstream>
-
-namespace coreutils {
-
-   ///
-   /// Use the JString object when you need a JSON interface to C++. JString uses
-   /// an MString to store a JSON string representing the object(s) contained.
-   /// The [] operator is overriden from the ZString and provides a method to
-   /// access the objects elements using a named path as the index to the items.
-   ///
-   /// JString default constructor will create an empty JString object pointing
-   /// to an empty string.
-   ///
-   /// Use a constructor or assignment operator to initialize a JString to an
-   /// initial JSON string.
-   ///
-   /// Several constructors are available including a handle to a std::FILE
-   /// object to initialize the JSON string. On destruction the file is saved back.
-   ///
-   /// The [] operator can be used to access elements within the JSON string. 
-   /// Use:
-   ///       jstring["key"] = "value";
-   ///       std::cout << jstring["key"];
-   ///
-
-   class JString : public MString {
-
-    public:
-
-      JString();
-      JString(const char *data);
-
-      void set(ZString &path, ZString &value);
-
-      ///
-      /// Use the find method to look through an object for member specified by
-      /// the key in parameter 1. The cursor must be pointing to the { character
-      /// that begins the object's list.
-      ///
-
-      ZString find(ZString &path);
-      
-    private:
-      bool locate(ZString &path);
-      bool notfirst;
-      ZString path;
-
-      class Proxy {
-
-       public:
-	 Proxy(JString &jstring, ZString key) : jstring(jstring), key(key) {}
-
-	 operator coreutils::ZString () {
-	    std::cout << "operator " << key << std::endl;
-	    return jstring.find(key);
-	 }
-
-	 Proxy& operator=(coreutils::ZString value) {
-	    std::cout << "proxy operator=" << value << std::endl;
-	    jstring.set(key, value);
-	    return *this;
-	 }
-
-       private:
-   	 JString &jstring;
-	 ZString key;
-      };
-
-    public:
-      Proxy operator[](coreutils::ZString key) {
-	 std::cout << "operator[" << key << "]" << std::endl;
-	 return Proxy(*this, key);
-      }
-      
-      JString & operator=(coreutils:: ZString value) {	 
-	 std::cout << "operator=" << value << std::endl;
-
-	 return *this;
-      }
-      
-   };
-
-}
-
-#endif

testing/jstring_test.cpp

@@ -5,8 +5,9 @@ int main(int argc, char **argv) {
 
    coreutils::MString test0("{\"Number:\"0\",\"id\":\"XXXXX\"}");
    coreutils::JString test1;
-   coreutils::MString test2;
+
    test1 = test0;
+
    test1["name"] = "Cohen";
    test1["health"] = "100";
    test1["comment"] = "this is a comment";
@@ -15,17 +16,18 @@ int main(int argc, char **argv) {
    test1["tester"] = "test field";
    test1["object1"] = "{\"attr1\":\"value1\",\"attr2\":\"value2\",\"attr3\":\"value3\"}";
 
-
    std::cout << test1 << std::endl;
 
-   std::cout << test1["id"] << std::endl;
+   coreutils::MString test2 = test1["name"];
+   std::cout << test2 << std::endl;
+   
    std::cout << test1["name"] << std::endl;
    std::cout << test1["health"] << std::endl;
    std::cout << test1["comment"] << std::endl;
    std::cout << test1["race"] << std::endl;
    std::cout << test1["array"] << std::endl;
    std::cout << test1["tester"] << std::endl;
-   std::cout << test1["object"] << std::endl;
+   std::cout << test1["object1"] << std::endl;
    std::cout << test1["object1.attr2"] << std::endl;   
 
    return 0;