From a00669be81552c81067877eca7b46a7fbd6d6f7f Mon Sep 17 00:00:00 2001
From: night0721 <night@night0721.xyz>
Date: Tue, 12 Nov 2024 10:49:24 +0000
Subject: [PATCH] Highlight char

---
 config.h |  3 +++
 vip.c    | 25 +++++++++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/config.h b/config.h
index 4480b36..ac1e25a 100644
--- a/config.h
+++ b/config.h
@@ -24,6 +24,8 @@
 #define YELLOW_BG    "\033[38;2;249;226;175m"
 #define RED_FG		 "\033[48;2;243;139;168m"
 #define RED_BG		 "\033[38;2;243;139;168m"
+#define TEAL_FG		 "\033[48;2;148;226;213m"
+#define TEAL_BG		 "\033[38;2;148;226;213m"
 
 /* ERROR is red with bold and italic */
 #define ERROR "\033[38;2;243;139;168m\033[1m\033[3m"
@@ -58,6 +60,7 @@ enum highlight {
 	KW_FN,
 	KW_BRACKET,
 	STRING,
+	CHAR,
 	NUMBER,
 	MATCH,
 	RESET
diff --git a/vip.c b/vip.c
index c8655f4..ca2311a 100644
--- a/vip.c
+++ b/vip.c
@@ -595,6 +595,10 @@ void draw_rows(void)
 							bprintf(GREEN_BG);
 							break;
 
+						case CHAR:
+							bprintf(TEAL_BG);
+							break;
+
 						case SYMBOL:
 							bprintf(SKY_BG);
 							break;
@@ -772,6 +776,7 @@ void update_highlight(row_t *row)
 
 	int prev_sep = 1;
 	int in_string = 0;
+	int in_char = 0;
 	int in_include = 0;
 	int in_comment = row->idx > 0 && cur_editor->row[row->idx - 1].opened_comment;
 
@@ -827,6 +832,26 @@ void update_highlight(row_t *row)
 				continue;
 			}
 		}
+		
+		if (in_char) {
+			row->hl[i] = CHAR;
+			if (c == '\\' && i + 1 < row->render_size) {
+				row->hl[i + 1] = CHAR;
+				i += 2;
+				continue;
+			}
+			if (c == in_char) in_char = 0;
+			i++;
+			prev_sep = 1;
+			continue;
+		} else {
+			if (c == '\'') {
+				in_char = c;
+				row->hl[i] = CHAR;
+				i++;
+				continue;
+			}
+		}
 
 		if (in_include) {
 			row->hl[i] = STRING;