From a4838cc0b434e0d583aa15b80c438398b8c1316f Mon Sep 17 00:00:00 2001
From: starnakin <camille@chauvet.pro>
Date: Thu, 29 Jun 2023 01:27:17 +0200
Subject: [PATCH] add: split_quoted

---
 src/utils/is_in_quote.c  |  4 +--
 src/utils/split_quoted.c | 78 ++++++++++++++++++++++++++++++++++++++++
 src/utils/utils.h        |  3 +-
 3 files changed, 82 insertions(+), 3 deletions(-)
 create mode 100644 src/utils/split_quoted.c

diff --git a/src/utils/is_in_quote.c b/src/utils/is_in_quote.c
index 543a13b..def74ea 100644
--- a/src/utils/is_in_quote.c
+++ b/src/utils/is_in_quote.c
@@ -1,10 +1,10 @@
 #include "utils.h"
 
-int is_in_quote(const char *str)
+int is_in_quote(const char *str, size_t pos)
 {
 	int out = 0;
 
-	for (size_t i = 0; str[i] != '\0'; i++)
+	for (size_t i = 0; str[i] != '\0' && i < pos; i++)
 	{
 		if (str[i] == '\"')
 		{
diff --git a/src/utils/split_quoted.c b/src/utils/split_quoted.c
new file mode 100644
index 0000000..b482ee1
--- /dev/null
+++ b/src/utils/split_quoted.c
@@ -0,0 +1,78 @@
+#include "utils.h"
+#include <stddef.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static size_t get_len(const char *str, const char* charset)
+{
+	size_t len = 0;
+	size_t i = 0;
+
+	while (str[i] != '\0')
+	{
+		while (str[i] != '\0' && (is_in_quote(str, i) || strchr(charset, str[i]) != NULL))
+			i++;
+		if (str[i] == '\0')
+			return len;
+		len++;
+		while (str[i] != '\0' && (is_in_quote(str, i) || strchr(charset, str[i]) == NULL))
+			i++;
+	}
+	return (len);
+}
+
+void free_tab(char **tab)
+{
+	for (size_t i = 0; tab[i] != NULL; i++)
+		free(tab[i]);
+	free(tab);
+}
+
+int fill_tab(char **tab, const char* str, const char* charset)
+{
+	const char *start;
+	size_t len = 0;
+	size_t i = 0;
+
+	while (str[i] != '\0')
+	{
+		while (str[i] != '\0' && (is_in_quote(str, i) || strchr(charset, str[i]) != NULL))
+			i++;
+		if (str[i] == '\0')
+			return len;
+		start = str + i;
+		while (str[i] != '\0' && (is_in_quote(str, i) || strchr(charset, str[i]) == NULL))
+			i++;
+		tab[len] = strndup(start, (str + i) - start);
+		if (tab[len] == NULL)
+		{
+			free_tab(tab);
+			return 1;
+		}
+		len++;
+	}
+}
+
+char **split_quoted_charset(const char *str, const char *charset)
+{
+	size_t len = get_len(str, charset);
+	char **tab = malloc((len + 1) * sizeof(char *));
+	if (tab == NULL)
+		return NULL;
+	tab[len] = NULL;
+	if (fill_tab(tab, str, charset))
+		return NULL;
+	return (tab);
+}
+
+int main(int ac, char** av)
+{
+	size_t	i = 0;
+	char** tab;
+	if (ac != 2)
+		return 1;
+	tab = split_quoted_charset(av[1], " \t");
+	while ( tab[i] ) printf( "%s\n", tab[i++] );
+	free_tab(tab);
+}
diff --git a/src/utils/utils.h b/src/utils/utils.h
index 3c322fa..05ebfb7 100644
--- a/src/utils/utils.h
+++ b/src/utils/utils.h
@@ -1,5 +1,6 @@
 #pragma once
 #include <stddef.h>
+#include <string.h>
 
-int is_in_quote(const char *str);
+int is_in_quote(const char *str, size_t pos);