[Rework] Replace linenoise with replxx

Source: https://github.com/AmokHuginnsson/replxx

1 files changed, 37 insertions, 0 deletions

diff --git a/contrib/replxx/src/escape.hxx b/contrib/replxx/src/escape.hxx
new file mode 100644
index 000000000..659739532
--- /dev/null
+++ b/contrib/replxx/src/escape.hxx
@@ -0,0 +1,37 @@
+#ifndef REPLXX_ESCAPE_HXX_INCLUDED
+#define REPLXX_ESCAPE_HXX_INCLUDED 1
+
+namespace replxx {
+
+namespace EscapeSequenceProcessing {
+
+// This is a typedef for the routine called by doDispatch().	It takes the
+// current character
+// as input, does any required processing including reading more characters and
+// calling other
+// dispatch routines, then eventually returns the final (possibly extended or
+// special) character.
+//
+typedef char32_t (*CharacterDispatchRoutine)(char32_t);
+
+// This structure is used by doDispatch() to hold a list of characters to test
+// for and
+// a list of routines to call if the character matches.	The dispatch routine
+// list is one
+// longer than the character list; the final entry is used if no character
+// matches.
+//
+struct CharacterDispatch {
+	unsigned int len;                   // length of the chars list
+	const char* chars;                  // chars to test
+	CharacterDispatchRoutine* dispatch; // array of routines to call
+};
+
+char32_t doDispatch(char32_t c);
+
+}
+
+}
+
+#endif
+