X-Git-Url: https://git.llucax.com/z.facultad/75.52/treemulator.git/blobdiff_plain/ed3aa487f3460bdd8387d80a63589b0e04aa0396..a7b40a39a402b6f4cbcf1b1a175c0e357704d43f:/src/clave_variable.cpp

diff --git a/src/clave_variable.cpp b/src/clave_variable.cpp
index c4fd1f1..47d81ba 100644
--- a/src/clave_variable.cpp
+++ b/src/clave_variable.cpp
@@ -52,3 +52,64 @@ bool ClaveVariable::operator == (const Clave &c) const
 	return data == ((ClaveVariable&)c).data;
 }
 
+bool ClaveVariable::Abrev (ClaveVariable *c)
+{
+	if (c == NULL) return false;
+	int iguales = 0;
+	std::string resto;
+
+	resto = abreviar (c->data, data, iguales);
+
+	/* No hago nada si solo machea un caracter */
+	if (iguales < 2) return false;
+
+	std::stringstream ss;
+	ss << iguales;
+	ss << "|";
+	ss << resto;
+	data = ss.str ();
+
+	return true;
+}
+
+bool ClaveVariable::DesAbrev (ClaveVariable *c)
+{
+	if (c == NULL) return false;
+
+	int pos = data.find ("|");
+
+	/* No esta abreviada! */
+	if (pos <= 0) return false;
+
+	std::string siguales = data.substr (0, pos);
+	std::cout << siguales << std::endl;
+	int iguales = atoi (siguales.c_str ());
+
+	std::string primera_parte = c->data.substr (0, iguales);
+	std::string segunda_parte = data.substr (pos+1, data.size () - pos - 1);
+
+	data = primera_parte + segunda_parte;
+
+	return true;
+}
+
+std::string ClaveVariable::abreviar(std::string &p, std::string &a, int &iguales)
+{
+	char *primera = (char *)p.c_str ();
+	char *actual = (char *)a.c_str ();
+
+	iguales = 0;
+	while (((*primera) != '\0') && ((*actual) != '\0')) {
+		if ((*primera) == (*actual)) {
+			primera++;
+			actual++;
+			iguales++;
+		} else {
+			/* No coinciden mas! */
+			break;
+		}
+	}
+
+	return std::string (actual);
+}
+