create word completion list function

3 files changed, 25 insertions, 14 deletions

diff --git a/client/cmd.cpp b/client/cmd.cpp
index e7d42d0..10d53e3 100644
--- a/client/cmd.cpp
+++ b/client/cmd.cpp
@@ -101,19 +101,6 @@ void cmd_dump(char * mode) {
 }
 char** cmd_dump_complete(const char * text, int begin, int end) {
 	int word = rl_word(rl_line_buffer, begin);
-	if (word != 1) return NULL;
-
-	return rl_completion_matches(text, [](const char * text, int state) -> char * {
-		static size_t i = 0;
-		if (state == 0) i = 0;
-
-		while (dump_modes[i] != NULL) {
-			const char * mode = dump_modes[i++];
-			if (strncmp(text, mode, strlen(text)) == 0)
-				return strdup(mode);
-		}
-		return NULL;
-	});
-
+	if (word == 1) return rl_complete_list(text, dump_modes);
 	return NULL;
 }
diff --git a/client/rl.cpp b/client/rl.cpp
index b8113aa..fa44bf4 100644
--- a/client/rl.cpp
+++ b/client/rl.cpp
@@ -119,3 +119,26 @@ int rl_word(const char * line, int cursor) {
 	return word;
 }
 
+typedef struct {
+	const char * word;
+	const char ** suggestions;
+} __rl_complete_list_data_t;
+char** rl_complete_list(const char * word, const char ** suggestions) {
+	__rl_complete_list_data_t data = {
+		.word = word,
+		.suggestions = suggestions,
+	};
+	return rl_completion_matches((char *) &data, [](const char * text, int state) -> char * {
+		__rl_complete_list_data_t data = *(__rl_complete_list_data_t *) text;
+		static size_t i = 0;
+		if (state == 0) i = 0;
+
+		while (data.suggestions[i] != NULL) {
+			const char * suggestion = data.suggestions[i++];
+			if (strncmp(data.word, suggestion, strlen(data.word)) == 0)
+				return strdup(suggestion);
+		}
+		return NULL;
+	});
+}
+
diff --git a/client/rl.h b/client/rl.h
index c3bf2c7..ab31ddb 100644
--- a/client/rl.h
+++ b/client/rl.h
@@ -8,4 +8,5 @@
 int cli_main();
 void rl_printf(const char * fmt, ...);
 int rl_word(const char * line, int cursor);
+char ** rl_complete_list(const char * word, const char * suggestions[]);