Basic conversion parsing

Using a list to store each format conversion informations.

1 files changed, 58 insertions, 0 deletions

diff --git a/parse.c b/parse.c
index e69de29..11316ba 100644
--- a/parse.c
+++ b/parse.c
@@ -0,0 +1,58 @@
+#include <stdlib.h>
+#include "header.h"
+
+#define STRRCHR_CONVERSIONS(c) (ft_strrchr(CONVERSIONS_STR, c))
+
+t_list			*parse(const char *format)
+{
+	t_list		*format_list;
+	t_list		*tmp;
+	t_pformat	*parsed;
+
+	format_list = NULL;
+	while (*format)
+	{
+		if (*format != '%')
+		{
+			format++;
+			continue;
+		}
+		format++;
+		if ((parsed = parse_conversion(isolate_conversion(format))) == NULL)
+			return (list_destroy(format_list));
+		if ((tmp = list_new(parsed)) == NULL)
+			return (list_destroy(format_list));
+		list_push_back(&format_list, tmp);
+	}
+	return (format_list);
+}
+
+char		*isolate_conversion(const char *conversion_start)
+{
+	int i;
+
+	i = 0;
+	while (strrchr_index(CONVERSIONS_STR, conversion_start[i]) == -1)
+		i++;
+	return (ft_strndup(conversion_start, i + 1));
+}
+
+t_pformat	*parse_conversion(char *conversion)
+{
+	int i;
+	t_pformat	*pformat;
+
+	if (conversion == NULL)
+		return (NULL);
+	if ((pformat = (t_pformat*)malloc(sizeof(t_pformat))) == NULL)
+		return (NULL);
+	i = ft_strlen(conversion) - 1;
+	pformat->conversion = strrchr_index(CONVERSIONS_STR, conversion[i]);
+	i--;
+	pformat->arg_position = 0;
+	pformat->left_adjusted = FALSE;
+	pformat->zero_padding = FALSE;
+	pformat->min_field_width = -1;
+	pformat->len = 1;
+	return (pformat);
+}