jstring changes

JString.h

@@ -11,19 +11,44 @@ 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.  
+   /// access the objects elements using a named path as the index to the items.
    ///
 
    class JString : public MString {
 
     public:
 
-      MString & operator[](char *key);
+      JString();
+      JString(const char *data);
 
-      MString & operator[](ZString &key);
+      void set(ZString path, const char *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);
+
+      void operator=(ZString &value);
+      JString& operator=(const char *value);
+
+      // ZString operator[](const char *path);
+      JString& operator[](const char *path);
+      // operator const ZString () const {
+      //    return *this;
+      // }
+
+      // MString & operator[](ZString &key);
+
+      // MString & operator[](std::string key);
+
+    private:
+      bool locate(ZString path);
+      bool notfirst;
+      MString path;
 
-      MString & operator[](std::string key);
-      
    };
 
 }

MString.cpp

@@ -166,6 +166,7 @@ namespace coreutils {
    }
    
    void MString::replace(ZString &value, int offset) {
+      
    }
    
    void MString::replace(std::string value, int offset) {
@@ -202,4 +203,9 @@ namespace coreutils {
       length = size;
    }
 
+   int MString::offset() {
+      return cursor - data;
+   }
+
+
 }

MString.h

@@ -121,7 +121,7 @@ namespace coreutils {
       ///
 
       void remove(int offset, int length);
-      
+
       ///
       ///
       ///
@@ -134,6 +134,8 @@ namespace coreutils {
 
       MString& write(ZString &value);
 
+      int offset();
+
     private:
       int bufferSize = 0;
       void setSize(int size);

ZString.cpp

@@ -74,15 +74,15 @@ namespace coreutils {
       return (strncmp(data, valuex.data, valuex.length <= length ? valuex.length : length) == 0);
    }
 
-   bool ZString::operator==(std::string value) {
-      if(value.length() != length)
-	return false;
-      return (strncmp(data, value.c_str(), length) == 0);
-   }
+   // bool ZString::operator==(std::string value) {
+   //    if(value.length() != length)
+	// return false;
+   //    return (strncmp(data, value.c_str(), length) == 0);
+   // }
 
-   bool ZString::operator==(const char *valuex) const {
-      return (strncmp(data, valuex, length) == 0);
-   }
+//   bool ZString::operator==(const char *valuex) const {
+//      return (strncmp(data, valuex, length) == 0);
+//   }
 
    bool ZString::operator!=(const ZString &valuex) const {
 //      if(length != valuex.getLength())
@@ -205,11 +205,35 @@ namespace coreutils {
 	++cursor;
       return ZString(start, cursor - start);
    }
-   
+
    ZString ZString::getTokenExclude(std::string exclude) {
       return getTokenExclude(exclude.c_str());
    }
 
+   ZString ZString::getContainer() {
+      char term = *cursor == '"' ? '"': *cursor == '(' ? ')': *cursor == '[' ? ']': *cursor == '{' ? '}': 0;
+      if(!term)
+        return ZString();
+      char *start = cursor;
+      char nest = *cursor;
+      char *end = cursor + length;
+      int level = 0;
+      ++cursor;
+      while(cursor != end) {
+         if(*cursor == term) {
+            if(!level) {
+               ++cursor;
+               return ZString(start, cursor - start);
+            }
+            --level;
+         } else if(*cursor == nest) {
+            ++level;
+         }
+         ++cursor;
+      }
+      return ZString();
+   }
+
    ZString &ZString::operator[](int index) {
       return list[index];
    }
@@ -227,7 +251,7 @@ namespace coreutils {
 	return false;
       return strncmp(data, value, length) == 0;
    }
-   
+
    bool ZString::equals(char *value) {
       if (strlen(value) != length)
 	return false;

ZString.h

@@ -105,8 +105,8 @@ namespace coreutils {
 
       bool operator>(const ZString &valuex) const;
       bool operator==(const ZString &valuex);
-      bool operator==(std::string value);
-      bool operator==(const char *valuex) const;
+//      bool operator==(std::string value);
+//      bool operator==(const char *valuex) const;
       bool operator!=(const ZString &valuex) const;
       bool operator!=(const char *valuex) const;
 
@@ -207,6 +207,14 @@ namespace coreutils {
 
       ZString getTokenExclude(std::string exclude);
 
+      ///
+      /// If the cursor is over a container character then a call to this method
+      /// will return the contents of the container. The cursor will remain at
+      /// the position following the container.
+      ///
+
+      ZString getContainer();
+
       ///
       /// Use the [] operator to retrieve values delimited by the split method.
       ///
@@ -358,9 +366,9 @@ namespace coreutils {
       char *cursor;
       size_t length;
       char *cdata = NULL;
+      std::vector<ZString> list;
 
     private:
-      std::vector<ZString> list;
       std::stack<char *> stack;
       bool isCharacter(char ch, const char *string);
 

testing/compile

@@ -1,3 +1,4 @@
 #!/bin/bash
 g++ -o zstring_test zstring_test.cpp -I.. -L.. -lCoreUtils
 g++ -o mstring_test mstring_test.cpp -I.. -L.. -lCoreUtils
+g++ -o jstring_test jstring_test.cpp -I.. -L.. -lCoreUtils

testing/zstring_test.cpp

@@ -32,4 +32,11 @@ int main(int argc, char **argv) {
    coreutils::ZString test2("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ");
    std::cout << "substring: [" << test2.substring(10) << "]" << std::endl;
 
+   // Test getContainer.
+
+   coreutils::ZString test4("test(this is a container (with a nesting))012345");
+   test4.getTokenExclude("(");
+   std::cout << "container: " << test4.getContainer() << std::endl;
+   std::cout << "rest: " << test4.unparsed() << std::endl;
+      
 }