#include "MString.h"
#include "Log.h"
#include <iostream>

namespace coreutils {

   MString::MString() {
      data = NULL;
      length = 0;
      cursor = NULL;
   }

   MString::MString(const char *data) {
      this->length = strlen(data);
      bufferSize = (this->length % 256) + 256;
      this->data = (char *)malloc(bufferSize);
      memcpy(this->data, data, length);
      cursor = this->data;
   }

   MString::MString(char *data, size_t length) {
      this->length = length;
      bufferSize = (this->length % 256) + 256;
      this->data = (char *)malloc(bufferSize);
      memcpy(this->data, data, length);
      cursor = this->data;
   }

   MString::MString(const char *data, size_t length) {
      this->length = length;
      bufferSize = (this->length % 256) + 256;
      this->data = (char *)malloc(bufferSize);
      memcpy(this->data, data, length);
      cursor = this->data;
   }

   MString::MString(const MString &mstring) {
      bufferSize = (mstring.length % 256) + 256;
      data = (char *)malloc(bufferSize);
      memcpy(data, mstring.data, mstring.length);
      length = mstring.length;
      cursor = data;
//      Log(LOG_DEBUG_2) << "MString Copy Constructor: ";
   }

   MString::MString(std::string data) {
      bufferSize = (data.length() % 256) + 256;
      this->data = (char *)malloc(bufferSize);
      memcpy(this->data, (char *)data.c_str(), data.length());
      length = data.length();
      cursor = this->data;
   }

   MString::~MString() {
      if(data)
	   free(data);
   }

   int MString::write(char ch) {
      if(bufferSize == 0) {
	      bufferSize = 256;
	      data = (char *)malloc(bufferSize);
	      cursor = data;
         length = 0;
      } else if(bufferSize < (length + 1)) {
	      bufferSize += 256;
	      data = (char *)realloc(data, bufferSize);
	      cursor = data;
      }
      data[length++] = ch;
      return 1;
   }

}