From 9bf647a224ffe3f18a19fd8957406bc4f3e111d2 Mon Sep 17 00:00:00 2001
From: jvech <jmvalenciae@unal.edu.co>
Date: Fri, 21 Jan 2022 11:00:55 -0500
Subject: Text parser made

---
 Makefile |   8 +++++
 main.c   | 106 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 main.h   |   8 +++++
 3 files changed, 122 insertions(+)
 create mode 100644 Makefile
 create mode 100644 main.c
 create mode 100644 main.h

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..bf3c585
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,8 @@
+CC = gcc
+CFLAGS=-std=c99 -pedantic-errors
+
+build: main.c
+	$(CC) $(CFLAGS) main.c -o main
+
+debug: main.c 
+	$(CC) -g main.c -o main $(CFLAGS)
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..7d0370a
--- /dev/null
+++ b/main.c
@@ -0,0 +1,106 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include "main.h"
+
+void error(char *c)
+{
+    fprintf(stderr, "%s: %s\n", c, strerror(errno));
+    exit(1);
+}
+
+list *list_create(char title[], char id[])
+{
+    list *x = malloc(sizeof(list));
+    sscanf(title, "%100[^\n]", x->name);
+    sscanf(id, "%11s", x->id);
+    x->next = NULL;
+    return x;
+}
+
+void list_free(list *start)
+{
+    list *i;
+    list *next = NULL;
+    for (i = start; i != NULL; i = next) {
+        next = i->next;
+        free(i);
+    }
+}
+
+void list_append(list *list_first, char title[], char id[])
+{
+    list *i; 
+    for(i = list_first; i->next != NULL; i = i->next);
+    i->next = list_create(title, id);
+}
+
+void list_print_item(list *x, int i)
+{
+    list *p;
+    if (i == -1){
+        for (p = x; p->next != NULL; p = p->next);
+    } else {
+        for(p = x; i != 0; p = p->next, i--){
+            if (p == NULL) {
+                printf("List index out of range");
+                exit(1);
+            }
+        }
+    }
+    printf("title: %s\n", p->name);
+    printf("id: %s\n\n", p->id);
+}
+
+list *parse_stream(FILE *file)
+{
+    list *videos = list_create("", "");
+    return videos;
+}
+
+int main(int argc, char **argv)
+{
+    FILE *file;
+    list *videos = list_create("", "");
+    char buffer_id[ID_LENGTH], buffer_name[TITLE_LENGTH];
+    int i;
+
+    if (argc != 2){
+        printf("You must provide 1 argument not %i\n", argc - 1);
+        exit(1);
+    }
+
+    if (!strcmp(argv[1], "-")){
+        file = stdin;
+
+    } else {
+        file = fopen(argv[1], "r");
+        if (file == NULL){
+            error("Can't open file stream");
+        }
+    }
+
+    do {
+        i = fscanf(file, "\"videoRenderer\":{\"videoId\":\"%11s\"", buffer_id);
+        if (i == 1){
+            do{
+                i = fscanf(file, "\"title\":{\"runs\":[{\"text\":\"%100[^\"]\"", buffer_name);
+                if (i == 1){
+                    list_append(videos, buffer_name, buffer_id);
+                    break;
+                }
+            } while (fscanf(file, "%*c") != EOF);
+        }
+    } while (fscanf(file, "%*c") != EOF);
+
+    list *q;
+    for (q = videos; q != NULL; q = q->next){
+        printf("title: %s\n", q->name);
+        printf("vidId: %s\n", q->id);
+        printf("\n\n");
+    }
+
+    list_free(videos);
+    return 0;
+}
diff --git a/main.h b/main.h
new file mode 100644
index 0000000..163673a
--- /dev/null
+++ b/main.h
@@ -0,0 +1,8 @@
+#define TITLE_LENGTH 101
+#define ID_LENGTH 12
+
+typedef struct list {
+    char id[ID_LENGTH];
+    char name[101];
+    struct list *next;
+} list;
-- 
cgit v1.2.3-70-g09d2