Added lexer draft

5 files changed, 150 insertions, 0 deletions

diff --git a/src/lexer/lexer.c b/src/lexer/lexer.c
new file mode 100644
index 0000000..7332b86
--- /dev/null
+++ b/src/lexer/lexer.c
@@ -0,0 +1,19 @@
+
+#include "lexer.h"
+
+
+char        **lexer(char *input)
+{
+	char **out;
+	int i;
+
+	if (!input)
+		return (0);
+	i = lexer_count_nb_element(input);
+	if (!(out = malloc(sizeof(char *) * i + 1)))
+        return (0);
+	out[i + 1] = NULL;
+	out = lexer_malloc_len_elem(input,i, out);
+	return(out);
+
+}
diff --git a/src/lexer/lexer_count_nb_element.c b/src/lexer/lexer_count_nb_element.c
new file mode 100644
index 0000000..1455d5e
--- /dev/null
+++ b/src/lexer/lexer_count_nb_element.c
@@ -0,0 +1,31 @@
+
+#include "lexer.h"
+
+int             lexer_count_nb_element(char *input)
+{
+    int         i;
+    int         j;
+
+    i = 0;
+    j = 1;
+    while(input[i] != '\0')
+    {
+        if (lexer_sep(input[i]) || input[i] == '"' || input[i] == '\'')
+        {
+            if (input[i] == '"' || input[i] == '\'')
+            {
+                i = lexer_verif_entre_cote(input,i);
+                j++;
+            }
+            if (lexer_sep(input[i]))
+                {
+                    while (lexer_sep(input[i]) || input[i] == ' ')
+                        ++i;
+                    j++;
+                }
+            j++;
+        }
+        i++;
+    }
+    return (j);
+}
diff --git a/src/lexer/lexer_len_element_and_mall.c b/src/lexer/lexer_len_element_and_mall.c
new file mode 100644
index 0000000..30ebc7b
--- /dev/null
+++ b/src/lexer/lexer_len_element_and_mall.c
@@ -0,0 +1,57 @@
+
+#include "lexer.h"
+
+int 		lexer_count_len_element(char *input, int i)
+{
+	int  j = -1;
+	if (input[i] == '"' || input[i] == '\'')
+    {
+        return(j = lexer_verif_entre_cote(input,i));
+    }
+	else if (lexer_sep(input[i]) || input[i] == ' ')
+	{
+		while(lexer_sep(input[i]) || input[i] == ' ')
+		{
+			if(input[j] == '\0')
+				return(j);
+			++i;
+			++j;
+		}
+	}
+	else
+	{
+		while (!lexer_sep(input[i]) && input[i] != ' ')
+		{
+			if(input[j] == '\0')
+				return(j);
+			++i;
+			++j;
+		}
+	}
+	++j;
+	return(j);
+}
+
+char 		**lexer_malloc_len_elem(char *input, int i, char **out)
+{
+	int j = 0;
+	int k = 0;
+	int temp = 0;
+
+	j += lexer_count_len_element(&input[j], 0);
+	k = j;
+	out[temp] = malloc(sizeof(char) * k);
+	ft_strlcpy(out[temp], input, k + 1);
+	while (input[j] != '\0')
+	{
+		temp++;
+		j += lexer_count_len_element(&input[j], 0);
+		k -= j;
+		if (k < 0)
+			k *= -1;
+		out[temp] = malloc(sizeof(char) * j - k + 1);
+		ft_strlcpy(out[temp], &input[j - k], k + 1);
+		k = j;
+	}
+	return(out);
+}
diff --git a/src/lexer/lexer_utils.c b/src/lexer/lexer_utils.c
new file mode 100644
index 0000000..f028113
--- /dev/null
+++ b/src/lexer/lexer_utils.c
@@ -0,0 +1,28 @@
+
+#include "lexer.h"
+
+int                 lexer_sep(char input)
+{
+    char            *sep;
+    int             i;
+
+    i = 0;
+    sep = ";&<>|";
+    while(sep[i] != '\0')
+    {
+        if(sep[i] == input)
+            return(1);
+        i++;
+    }
+    return (0);
+}
+
+int             lexer_verif_entre_cote(char *input, int i)
+{
+    while((input[++i] != '"' || input[i] == '\'') && (input[i] != '\0'))
+        ;
+    i++;
+    if(input[i] == '"' || input[i] == '\'')
+        return(lexer_verif_entre_cote(input, i));
+    return(i);
+}
diff --git a/src/lexer/main.c b/src/lexer/main.c
new file mode 100644
index 0000000..b660f55
--- /dev/null
+++ b/src/lexer/main.c
@@ -0,0 +1,15 @@
+
+#include "lexer.h"
+
+int         main(void)
+{
+	char **out;
+    int i = -1;
+
+	out = lexer("\"echo\" \"* login_x\"<<AUTHORS; echo && ; salut;\"echo\"\"* login_x\"");
+    //out = lexer("echo       * login_x << AUTHORS&&cd Desktop");
+    while(out[++i])
+        printf("%s\n", out[i]);;
+    exit(0);
+    return (0);
+}