From 5ecb8aafa496e9dfff51378be50eb29858b5465a Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Wed, 15 Feb 2023 16:35:40 +0100
Subject: add quote parsing to smash

---
 lib/cstr/cstr.c | 35 +++++++++++++++++++++++++++++++++++
 lib/cstr/cstr.h |  1 +
 2 files changed, 36 insertions(+)

(limited to 'lib')

diff --git a/lib/cstr/cstr.c b/lib/cstr/cstr.c
index 9f4ad6f..e30a774 100644
--- a/lib/cstr/cstr.c
+++ b/lib/cstr/cstr.c
@@ -83,6 +83,41 @@ u64 cstr_split(char *cstr, char split)
 	return splits;
 }
 
+/** DOC
+ * @type function
+ * @name cstr_split
+ *
+ * @param  char *cstr
+ * @param  char split
+ * @return u64
+ *
+ * @description
+ * Splits a string on every `split` char.
+ * Returns the number of splits.
+ * ``WARNING`` This function does replace all `split` char with `0`.
+ *             The old string does not exist after calling this function.
+ */
+u64 cstr_split_with_cancel(char *cstr, char split, char cancel)
+{
+	u64 splits = 1;
+	u8 is_in_cancel = 0;
+
+	while (*cstr) {
+		if (*cstr == cancel) {
+			is_in_cancel = !is_in_cancel;
+		}
+
+		if (*cstr == split && !is_in_cancel) {
+			*cstr = 0;
+			++splits;
+		}
+
+		++cstr;
+	}
+
+	return splits;
+}
+
 
 /** DOC
  * @type function
diff --git a/lib/cstr/cstr.h b/lib/cstr/cstr.h
index ce27eb0..049c867 100644
--- a/lib/cstr/cstr.h
+++ b/lib/cstr/cstr.h
@@ -11,6 +11,7 @@ typedef struct {
 u64        cstr_length(const char *);
 i8         cstr_compare(const char *a, const char *b);
 u64        cstr_split(char *cstr, char split);
+u64        cstr_split_with_cancel(char *cstr, char split, char cancel);
 const char *next_split(const char *previous);
 u64        strip_front(char *cstr, char strip);
 u64        strip_back(char *cstr, char strip);
-- 
cgit v1.2.3-70-g09d2