From 4c3cc27d08a1f0336ae421b692bd19f974710c18 Mon Sep 17 00:00:00 2001
From: Max Wash <mbswash@gmail.com>
Date: Mon, 10 Feb 2025 21:15:48 +0000
Subject: [PATCH] object: string: add front, back, and pop_back functions

---
 object/include/blue/object/string.h |  5 +++++
 object/include/blue/object/type.h   |  1 +
 object/string.c                     | 32 +++++++++++++++++++++++++++++
 3 files changed, 38 insertions(+)

diff --git a/object/include/blue/object/string.h b/object/include/blue/object/string.h
index 3b4c140..9b1a813 100644
--- a/object/include/blue/object/string.h
+++ b/object/include/blue/object/string.h
@@ -51,6 +51,11 @@ BLUE_API void b_string_clear(b_string *str);
 BLUE_API size_t b_string_get_size(const b_string *str, b_strlen_flags flags);
 BLUE_API size_t b_string_get_capacity(const b_string *str);
 
+BLUE_API char b_string_front(const b_string *str);
+BLUE_API char b_string_back(const b_string *str);
+
+BLUE_API void b_string_pop_back(b_string *str);
+
 BLUE_API const char *b_string_ptr(const b_string *str);
 
 BLUE_API char *b_strdup(const char *s);
diff --git a/object/include/blue/object/type.h b/object/include/blue/object/type.h
index aeb4973..2062e4c 100644
--- a/object/include/blue/object/type.h
+++ b/object/include/blue/object/type.h
@@ -26,6 +26,7 @@ typedef enum b_fundamental_type_id {
 	B_OBJECT_TYPE_STRING,
 	B_OBJECT_TYPE_TREE,
 	B_OBJECT_TYPE_UUID,
+	B_OBJECT_TYPE_PATH,
 	B_OBJECT_TYPE_FILE,
 	B_OBJECT_TYPE_DIRECTORY,
 } b_fundamental_type_id;
diff --git a/object/string.c b/object/string.c
index 7f6507d..d662ece 100644
--- a/object/string.c
+++ b/object/string.c
@@ -324,6 +324,38 @@ size_t b_string_get_capacity(const struct b_string *str)
 	return str->s_max;
 }
 
+char b_string_front(const struct b_string *str)
+{
+	if (str->s_len == 0) {
+		return 0;
+	}
+
+	const char *s = b_string_ptr(str);
+	return s[0];
+}
+
+char b_string_back(const struct b_string *str)
+{
+	if (str->s_len == 0) {
+		return 0;
+	}
+
+	const char *s = b_string_ptr(str);
+	return s[str->s_len - 1];
+}
+
+void b_string_pop_back(struct b_string *str)
+{
+	if (str->s_len == 0) {
+		return;
+	}
+
+	char *s = string_ptr(str);
+
+	s[str->s_len - 1] = '\0';
+	str->s_len--;
+}
+
 const char *b_string_ptr(const struct b_string *str)
 {
 	if (string_is_inline(str)) {