:tada:

.gitignore

@@ -0,0 +1,8 @@
+.idea/
+node_modules/
+tmp/
+data/*.xml
+data/*.db
+data/*.gz
+data/*.dtd
+.directory

README.md

@@ -0,0 +1,77 @@
+# TP SAX
+Vous devez réaliser un programme permettant d'interroge la base de données DBLP représentée au format XML.
+Le choix du langage de programmation et des technologies utilisés sont libres. La qualité du code source ne sera pas évaluée, seul le résultat le sera.
+Votre programme doit effectuer les tâches suivantes:
+
+## 1. Connaître tous les co-auteurs d'un auteur donné
+
+Dans le fichier dblp.xml, il y a (notamment) des éléments "inproceedings" et des éléments "article" représentant des articles scientifiques,
+tous écrits par un ou plusieurs auteurs (référencés dans des éléments "authors").
+Le but de votre programme est d'indiquer, pour un nom d'auteur donné en entrée, la liste de tous ses co-auteurs, c'est-à-dire de tous les auteurs
+ayant écrit au moins un article avec lui ou elle.
+Par exemple, le programme fourni par l'enseignant s'utilisera de la manière suivante:
+
+    $> ./dblp-prof -name="Fabien Delorme" dblp.xml
+    "Fabien Delorme" has 7 coauthors:
+    - Denis Stackowiak
+    - Jean-Pierre Pécuchet
+    - Jérôme Lehuen
+    - Nathalie Chetcuti-Sperandio
+    - Nicolas Delestre
+    - Stéphane Cardon
+    - Sylvain Lagrue
+
+Notez que le programme met un certain temps à s'exécuter, le temps de parser le fichier XML.
+Notez également que l'ordre dans lequel les noms s'affichent peuvent varier.
+Votre programme devra générer exactement la même sortie que le programme de l'enseignant. N'hésitez pas à utiliser la commande `diff` pour comparer
+votre sortie et celle du programme de référence:
+
+    $> ./dblp-prof -name="Fabien Delorme" dblp.xml | sort >out-prof.txt
+    $> ./mon-prog -name="Fabien Delorme" dblp.xml | sort >out-moi.txt
+    $> diff out-prof.txt out-moi.txt
+
+Si la commande `diff` n'affiche rien, les deux fichiers sont identiques: le résultat est donc correct.
+
+Si vous trouvez une erreur dans le programme de l'enseignant (votre programme n'affiche pas la même chose et c'est vous qui avez raison), n'hésitez pas
+à le signaler: vous aurez des points de bonus.
+
+### Critères d'évaluation:
+le programme sera testé avec 10 noms (choisis au moment de l'évaluation). Pour chaque nom, si votre programme produit la même sortie que le programme de référence, vous aurez
+1 point, pour un total de 10 points au maximum. **Attention**: votre programme sera automatiquement "killé" s'il n'a pas produit de réponse après un temps limite, égal à trois fois le temps d'exécution du
+programme de référence. Par exemple, si le programme de référence a donné une réponse au bout de 2 minutes 10, votre programme doit donner une réponse en 6 minutes 30 au maximum.
+
+## 2. Découper le programme en 2 parties
+
+Le programme écrit ci-dessus est trop lent: à chaque fois, la quasi-totalité du temps est passée à parser le fichier XML. Vous allez donc décomposer votre exécutable en deux exécutables:
+
+- a: un programme qui parse le fichier XML et en extrait les informations pertinentes, pour les stocker dans un fichier externe.
+- b: un programme qui, comme pour la question 1, donne la liste des coauteurs d'un auteur mais lit, non pas le fichier XML, mais le fichier généré lors de l'étape a.
+
+En pratique, il peut s'agir du même exécutable qui exécute toutes les tâches (comme le fait le programme de l'enseignant), ou de trois exécutables différents, selon vos préférences.
+
+Le fichier généré par le programme a peut être, au choix, un format binaire ou textuel de votre choix (il peut s'agir d'un document XML ou JSON, par exemple, ou du format de sérialisation de votre
+langage de programmation), ou une base de données SQLite (attention, pas de MySQL, PostgreSQL ou autres).
+
+### Critères d'évaluation:
+La vitesse d'exécution du programme a est peu importante, puisqu'il ne sera lancé qu'une fois de temps en temps. Il est d'ailleurs préférable de passer du temps à générer ce fichier pour optimiser les requêtes
+futures. Mais soyez tout de même raisonnable. Le programme a sera "killé" s'il met plus de dix fois plus de temps à s'exécuter que le programme de référence. Attention donc, si vous ne veillez pas à ce critère, vous aurez 0 sur toute cette partie.
+
+Le programme b sera testé avec 10 noms (choisis au moment de l'évaluation). Pour chaque nom, si votre programme produit la même sortie que le programme de référence, vous aurez
+1 point, pour un total de 10 points au maximum. **Attention**: votre programme sera automatiquement "killé" s'il n'a pas produit de réponse après un temps limite, égal à trois fois le temps d'exécution du
+programme de référence.
+
+
+## Détails pratiques
+Ce travail est à réaliser en binôme ou seul.
+
+**TRÈS IMPORTANT ! Un malus de 5 points sera automatiquement appliqué en cas de non-respect des règles suivantes.**
+
+Vous devrez remettre à l'enseignant une archive **.zip** ou **.tar.gz** ou **.tgz** dont le nom sera les noms de familles dex deux membres du binôme, séparés par un tiret. Les
+symbôles non alphabétiques seront supprimés, les accents et cédilles supprimés. Par exemple, si votre nom de famille est "de La Tour" et celui de votre binôme "Petit-Grégoire", votre fichier s'appellera
+**delatour-petitgregoire.tgz**.  En cas de doute, demandez à l'enseignant.
+
+L'archive doit contenir tous vos fichiers sources, ainsi qu'un fichier README indiquant :
+- comment compiler vos programmes,
+- comment les utiliser pour chacune des questions ci-dessus.
+
+Le tout doit être envoyé par mail à l'adresse **fdelorme@pm.me** au plus tard la veille au soir de l'examen écrit.

main.js

@@ -0,0 +1,90 @@
+#!/usr/bin/env node
+
+// Imports
+const program = require('commander');
+const inquirer = require('inquirer');
+const file = require('./src/file');
+const cst = require('./src/constant');
+
+// Variables configs et globales
+let preprocessFile = './data/preprocess.db';
+
+// Parametrage CLI
+program.version('0.0.1');
+
+program
+    .option('-n, --name <string>', 'Nom de l\'auteur a dont il faut cherche les co-auteurs')
+    .option('-f, --file <source>', 'Chemin vers le fichier à utiliser pour la recherche des co-auteurs', preprocessFile)
+    .option('-p, --process <source>', 'Prepare le fichier source et effectue la recherche des co-auteurs');
+program
+    .command('prepare <source> [destination]')
+    .description(`Prepare un fichier XML (source) pour la recherche des co-auteurs, le resultat est mis dans le fichier destination (default ${preprocessFile})`)
+    .action((source, destination = preprocessFile) => {
+        if (file.exist(source)) {
+            prepare(source, destination);
+            process.exit();
+        } else {
+            console.error(cst.toString(cst.FILE_NOT_FOUND) + ': ' + source);
+            process.exit(cst.FILE_NOT_FOUND);
+        }
+    });
+
+program.parse(process.argv);
+const name = (program.name && typeof program.name === 'string') ? program.name : null;
+let source = (program.process) ? program.process : program.file;
+
+// Verification que le fichier du pre-traitement existe
+if (!file.exist(source)) {
+    // Impossible de trouver le fichier XML à traiter
+    if (program.process) {
+        console.error(cst.toString(cst.FILE_NOT_FOUND) + ': ' + source);
+        process.exit(cst.FILE_NOT_FOUND);
+    }
+    // Impossible de trouver le fichier resultant du pre-traitement
+    else {
+        console.error(cst.toString(cst.PREPROCESS_NOT_FOUND));
+        process.exit(cst.PREPROCESS_NOT_FOUND);
+    }
+}
+
+// En cas d'absence de nom on le demande
+if (name === null) {
+    inquirer.prompt({
+        type: 'input',
+        name: 'name',
+        message: 'Enter the name of the author whose co-authors you want to search for: >',
+    }).then(answer => {
+        // Lancement du prgramme
+        if (program.process) {
+            prepare(source, preprocessFile);
+            source = preprocessFile;
+        }
+        find(source, answer.name);
+    });
+}
+// Sinon on lance le programme
+else {
+    if (program.process) {
+        prepare(source, preprocessFile);
+        source = preprocessFile;
+    }
+    find(source, answer.name);
+}
+
+/**
+ * Prepare le document XML pour la recherche des co-auteurs
+ * @param from Chemin vers le fichier XML
+ * @param to Chemin pour créer le fichier avec les données traitées
+ */
+function prepare(from, to) {
+    //TODO Preparer les données dans un fichier
+}
+
+/**
+ * Cherche les co-auteurs d'un auteur dans un fichier crée par prepare
+ * @param source Chemin vers le fichier crée par prepare
+ * @param name Nom de l'auteur pour la recherche
+ */
+function find(source, name) {
+    //TODO Chercher les co-auteurs
+}

package-lock.json

@@ -0,0 +1,1073 @@
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+  "version": "0.0.1",
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+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
+          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
+          "requires": {
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^4.0.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+          "requires": {
+            "ansi-regex": "^3.0.0"
+          }
+        }
+      }
+    },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+    },
+    "yallist": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+      "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="
+    }
+  }
+}

package.json

@@ -0,0 +1,32 @@
+{
+  "name": "projet-dblp",
+  "version": "0.0.1",
+  "description": "Projet cours XML M2 Informatique Artois",
+  "homepage": "https://github.com/Loquicom/",
+  "author": {
+    "name": "Arthur Brandao & Maxence Bacquet",
+    "email": ""
+  },
+  "keywords": [
+    "node",
+    "nodejs",
+    "xml",
+    "dbpl",
+    "sax"
+  ],
+  "main": "main.js",
+  "private": true,
+  "scripts": {
+    "start": "node main.js",
+    "prepare": "node main.js prepare ./data/dblp.xml"
+  },
+  "engines": {
+    "node": ">=10.12.0"
+  },
+  "dependencies": {
+    "commander": "^3.0.2",
+    "inquirer": "^7.0.0",
+    "sax": "^1.2.4",
+    "sqlite3": "^4.1.0"
+  }
+}

src/constant.js

@@ -0,0 +1,21 @@
+/**
+ * Les constantes du projet
+ */
+
+const cst = {
+    'SUCCESS': 0,
+    'FILE_NOT_FOUND': 1,
+    'PREPROCESS_NOT_FOUND': 2
+};
+
+const cstToStr = [
+    'Success',
+    'Unable to find the file',
+    'Unable to find the pre-processing file'
+];
+
+module.exports = cst;
+
+module.exports.toString = function (key) {
+    return cstToStr[key];
+};

src/file.js

@@ -0,0 +1,26 @@
+/**
+ * Fonction utilitaire sur les fichiers
+ */
+const fs = require('fs');
+
+module.exports.exist = function (path, show = false) {
+    try {
+        return fs.existsSync(path);
+    } catch (err) {
+        if (show) {
+            console.log(err);
+        }
+        return false;
+    }
+};
+
+module.exports.makedir = function (path, isFilePath = false) {
+    if (isFilePath) {
+        let split = path.split('/');
+        delete split[split.length - 1];
+        path = split.join('/');
+    }
+    if (!module.exports.exist(path)) {
+        fs.mkdirSync(path, {recursive: true});
+    }
+};