commit bd47fb47c170047ea901f599e1122f0f89e28c39
parent 0357f053ac4e9942f32528293c83640a65587f64
Author: Martin Kloeckner <mjkloeckner@gmail.com>
Date: Tue, 21 May 2024 23:50:15 -0300
add `parciales/2021-1C-3p`
Diffstat:
3 files changed, 267 insertions(+), 0 deletions(-)
diff --git a/parciales/2021-1C-3p/enunciado.pdf b/parciales/2021-1C-3p/enunciado.pdf
Binary files differ.
diff --git a/parciales/2021-1C-3p/main.cpp b/parciales/2021-1C-3p/main.cpp
@@ -0,0 +1,218 @@
+#include <iostream>
+#include "vector.h"
+
+typedef enum {
+ UNKNOWN,
+ VIDEO,
+ MUSIC,
+ SOCIAL
+} appType;
+
+class App {
+private:
+ std::string name;
+ float size;
+ appType type;
+ bool appRequiresInternet;
+ bool captionsActive;
+
+public:
+ App() {
+ this->size = 0;
+ this->type = UNKNOWN;
+ this->appRequiresInternet = false;
+ this->captionsActive = false;
+ }
+
+ App(std::string name) {
+ this->name = name;
+ this->size = 0;
+ this->type = UNKNOWN;
+ this->appRequiresInternet = false;
+ this->captionsActive = false;
+ }
+
+ App(std::string name, float size, appType type,
+ bool appRequiresInternet, bool captionsActive) {
+ this->name = name;
+ this->size = size;
+ this->type = type;
+ this->appRequiresInternet = appRequiresInternet;
+ this->captionsActive = captionsActive;
+ }
+
+ virtual ~App() {}
+
+ std::string getName() {
+ return this->name;
+ }
+
+ appType getAppType() {
+ return this->type;
+ }
+
+ void setName(std::string name) {
+ this->name = name;
+ }
+
+ void setCaptions(bool status) {
+ this->captionsActive = status;
+ }
+
+ bool getCaptions(bool status) {
+ return this->captionsActive;
+ }
+
+ void toggleCaptions() {
+ this->captionsActive = !this->captionsActive;
+ }
+
+ bool requiresInternet() {
+ return this->appRequiresInternet;
+ }
+};
+
+class SmartTV {
+private:
+ Vector<App*> *appsList;
+ App *currentApp;
+ float diskSize;
+ unsigned int appsInstalledCount;
+ bool internetConnected;
+
+public:
+ SmartTV() {
+ this->appsList = new Vector<App*>;
+ this->currentApp = NULL;
+ this->diskSize = 0;
+ this->internetConnected = 0;
+ this->appsInstalledCount = 0;
+ }
+
+ SmartTV(float diskSize) {
+ this->appsList = new Vector<App*>;
+ this->currentApp = NULL;
+ this->diskSize = diskSize;
+ this->internetConnected = 0;
+ this->appsInstalledCount = 0;
+ }
+
+ virtual ~SmartTV() {
+ for(size_t i = 0; i < this->appsList->getSize(); ++i) {
+ delete this->appsList->getAtIndex(i);
+ }
+ delete this->appsList;
+ }
+
+ void addApp(std::string name) {
+ App *newApp = new App(name);
+ this->appsList->append(newApp);
+ this->appsInstalledCount++;
+ }
+
+ void addApp(std::string name, float size, appType type, bool requiresInternet) {
+ try {
+ this->getAppByName(name);
+ } catch (std::string return_value) {
+ // la app no esta instalada
+ App *newApp = new App(name, size, type, requiresInternet, false);
+ this->appsList->append(newApp);
+ this->appsInstalledCount++;
+ }
+ }
+
+ unsigned int getAppsInstalledCount() {
+ return this->appsInstalledCount;
+ }
+
+ App *getAppByIndex(unsigned int index) {
+ try {
+ return this->appsList->getAtIndex(index);
+ } catch (std::string error) {
+ return NULL;
+ }
+ }
+
+ App *getAppByName(std::string name) {
+ for(size_t i = 0; i < this->appsList->getSize(); ++i) {
+ App *tmp = this->appsList->getAtIndex(i);
+ if(tmp->getName() == name) {
+ return tmp;
+ }
+ }
+ throw "the app `" + name + "` is not installed";
+ }
+
+ void startApp(std::string name) {
+ if(currentApp != NULL) {
+ throw "there is an app running already";
+ }
+
+ try {
+ currentApp = this->getAppByName(name);
+ } catch(std::string error) {
+ currentApp = NULL;
+ throw "the app is not installed";
+ }
+
+ if(currentApp->requiresInternet() && !this->internetConnected) {
+ currentApp = NULL;
+ throw "the app requires internet";
+ }
+ }
+
+ App *getCurrentApp() {
+ return this->currentApp;
+ }
+
+ void closeApp(std::string name) {
+ if(currentApp == NULL) {
+ throw "there is no app running";
+ }
+
+ currentApp = NULL;
+ }
+
+ void internetConnect() {
+ this->internetConnected = true;
+ }
+
+ void internetDiconnect() {
+ this->internetConnected = false;
+ }
+
+ void toggleCaptions() {
+ App *runningApp = this->currentApp;
+ if((runningApp != NULL) && (runningApp->getAppType() == VIDEO)) {
+ runningApp->toggleCaptions();
+ } else {
+ throw "there is no running app or the app does not allow captions";
+ }
+ }
+};
+
+void printTvStatus(SmartTV *tv) {
+ for(size_t i = 0; i < tv->getAppsInstalledCount(); ++i) {
+ std::cout << tv->getAppByIndex(i)->getName() << std::endl;
+ }
+ App *curApp = tv->getCurrentApp();
+ std::string curAppName = (curApp == NULL ? "none" : curApp->getName());
+ std::cout << "Current app running: " << curAppName << std::endl;
+}
+
+int main (void) {
+ SmartTV *tv = new SmartTV(8000); // inicializa tv con disco de 8GB
+
+ tv->internetConnect();
+ tv->addApp("X", 150, SOCIAL, true);
+ tv->addApp("youtube", 258, VIDEO, true);
+
+ tv->startApp("youtube");
+ printTvStatus(tv);
+
+ tv->closeApp("youtube");
+ printTvStatus(tv);
+
+ delete tv;
+ return 0;
+}
diff --git a/parciales/2021-1C-3p/vector.h b/parciales/2021-1C-3p/vector.h
@@ -0,0 +1,49 @@
+#ifndef VECTOR_H
+#define VECTOR_H
+#define VECTOR_STARTING_CAPACITY 5
+
+template <typename Type>
+class Vector {
+private:
+ Type *data;
+ unsigned int size;
+ unsigned int alloc;
+
+public:
+ Vector() {
+ this->data = new Type[VECTOR_STARTING_CAPACITY];
+ this->alloc = VECTOR_STARTING_CAPACITY;
+ this->size = 0;
+ }
+
+ virtual ~Vector() {
+ delete[] this->data;
+ }
+
+ void append(Type value) {
+ if(this->size == this->alloc) {
+ this->alloc *= 2;
+ Type *newData = new Type[this->alloc];
+ for(size_t i = 0; i < this->size; ++i) {
+ newData[i] = this->data[i];
+ }
+ delete[] this->data;
+ this->data = newData;
+ }
+ this->data[this->size] = value;
+ this->size++;
+ }
+
+ unsigned int getSize() {
+ return this->size;
+ }
+
+ Type getAtIndex(unsigned int index) {
+ if(index > this->size) {
+ throw "index out of bounds";
+ }
+ return this->data[index];
+ }
+};
+
+#endif
