Time to escape chars

1 files changed, 100 insertions, 0 deletions

diff --git a/src/p_args_len.c b/src/p_args_len.c
new file mode 100644
index 0000000..8bab9d7
--- /dev/null
+++ b/src/p_args_len.c
@@ -0,0 +1,100 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   p_args_len.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: rbousset <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/14 17:19:27 by rbousset          #+#    #+#             */
+/*   Updated: 2020/02/14 17:19:29 by rbousset         ###   ########lyon.fr   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <libft.h>
+#include <stddef.h>
+
+#include "d_define.h"
+
+static size_t
+	p_skip_delim_size(const char word[], char c, size_t end)
+{
+	end++;
+	if (word[end] == c)
+		return (end + 1);
+	while (word[end] != C_NULL && word[end] != c)
+	{
+		end++;
+		if (word[end] == c && c == C_DQUOTE)
+		{
+			if (word[end - 1] == C_BACKSLASH && word[end - 2] != C_BACKSLASH)
+			{
+				end++;
+			}
+		}
+	}
+	if (word[end] != C_NULL)
+	{
+		end++;
+	}
+	return (end);
+}
+
+static size_t
+	p_skip_unquote(const char word[], size_t end)
+{
+	while (word[end] != C_NULL && ft_iswhitespace(word[end]) == FALSE)
+	{
+		end++;
+		if (ft_iswhitespace(word[end]) == TRUE && end == 1 &&
+			word[end - 1] == C_BACKSLASH)
+		{
+			end++;
+		}
+		else if (ft_iswhitespace(word[end]) == TRUE && end > 1 &&
+			word[end - 1] == C_BACKSLASH && word[end - 2] != C_BACKSLASH)
+		{
+			end++;
+		}
+	}
+	return (end);
+}
+
+static size_t
+	p_skip_quote(const char word[], size_t end)
+{
+	while (word[end] != C_NULL && ft_iswhitespace(word[end]) == FALSE)
+	{
+		if (word[end] == C_SQUOTE || word[end] == C_DQUOTE)
+		{
+			end = p_skip_delim_size(word, word[end], end);
+		}
+		else
+		{
+			while (word[end] != C_NULL &&
+				   ft_iswhitespace(word[end]) == FALSE)
+			{
+				end++;
+			}
+		}
+	}
+	return (end);
+}
+
+size_t
+	p_arg_len(const char word[], const size_t start)
+{
+	size_t	end;
+
+	end = start;
+	if (word[start] != C_SQUOTE && word[start] != C_DQUOTE &&
+		word[start] != C_NULL)
+	{
+		end = p_skip_unquote(word, end);
+	}
+	else if (word[end] == C_SQUOTE || word[end] == C_DQUOTE)
+	{
+		end = p_skip_quote(word, end);
+	}
+	return (end);
+}
+