130 lines
2.8 KiB
C++
130 lines
2.8 KiB
C++
#include "enter_name.h"
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#include <algorithm> // for max, min
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// Constructor
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EnterName::EnterName()
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{
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init();
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}
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// Inicializa el objeto
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void EnterName::init()
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{
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// Obtiene el puntero al nombre
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name_ = "A";
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// Inicia la lista de caracteres permitidos
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character_list_ = " ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.-+-*/=?¿<>!\"#$%&/()";
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position_ = 0;
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num_characters_ = (int)character_list_.size();
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// Pone la lista de indices para que refleje el nombre
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updateCharacterIndex();
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// Actualiza el nombre para que ocupe 8 espacios
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updateName();
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}
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// Incrementa la posición
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void EnterName::incPosition()
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{
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position_++;
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position_ = std::min(position_, NAME_LENGHT - 1);
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checkIfPositionHasBeenUsed();
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}
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// Decrementa la posición
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void EnterName::decPosition()
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{
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position_--;
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position_ = std::max(position_, 0);
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}
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// Incrementa el índice
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void EnterName::incIndex()
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{
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++character_index_[position_];
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if (character_index_[position_] >= num_characters_)
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{
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character_index_[position_] = 0;
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}
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updateName();
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}
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// Decrementa el índice
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void EnterName::decIndex()
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{
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--character_index_[position_];
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if (character_index_[position_] < 0)
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{
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character_index_[position_] = num_characters_ - 1;
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}
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updateName();
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}
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// Actualiza el nombre a partir de la lista de índices
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void EnterName::updateName()
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{
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name_.clear();
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for (int i = 0; i < NAME_LENGHT; ++i)
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{
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name_.push_back(character_list_[character_index_[i]]);
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}
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}
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// Actualiza la variable
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void EnterName::updateCharacterIndex()
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{
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// Rellena de espacios y marca como no usados
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for (int i = 0; i < NAME_LENGHT; ++i)
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{
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character_index_[i] = 0;
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position_has_been_used_[i] = false;
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}
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// Coloca los índices en funcion de los caracteres que forman el nombre
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for (int i = 0; i < (int)name_.size(); ++i)
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{
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character_index_[i] = findIndex(name_.at(i));
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position_has_been_used_[i] = true;
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}
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}
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// Encuentra el indice de un caracter en "character_list_"
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int EnterName::findIndex(char character)
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{
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for (int i = 0; i < (int)character_list_.size(); ++i)
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{
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if (character == character_list_[i])
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{
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return i;
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}
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}
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return 0;
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}
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// Obtiene el nombre
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std::string EnterName::getName() const
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{
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return name_;
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}
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// Obtiene la posición que se está editando
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int EnterName::getPosition() const
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{
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return position_;
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}
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// Comprueba la posición y copia el caracter si es necesario
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void EnterName::checkIfPositionHasBeenUsed()
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{
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auto used = position_has_been_used_[position_];
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if (!used && position_ > 0)
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{
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character_index_[position_] = character_index_[position_ - 1];
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}
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position_has_been_used_[position_] = true;
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updateName();
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} |