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Refactor completion handling and add FSF Readline callbacks

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Still a bit raw, but the basic building blocks are there, waiting to be
cleaned up and released.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson
2018-09-10 18:34:27 +02:00
parent b2f1cfbbcc
commit 77d531f5b5
3 changed files with 210 additions and 5 deletions
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13
include/editline.h
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@@ -44,7 +44,6 @@ typedef enum {
} el_status_t;
/* Editline specific types, despite rl_ prefix. From Heimdal project. */
typedef char* rl_complete_func_t(char*, int*);
typedef int rl_list_possib_func_t(char*, char***);
typedef el_status_t el_keymap_func_t(void);
typedef int rl_hook_func_t(void);
@@ -53,6 +52,11 @@ typedef void rl_voidfunc_t(void);
typedef void rl_vintfunc_t(int);
typedef void rl_vcpfunc_t(char *);
/* FSF Readline compat tupes */
typedef char *rl_complete_func_t (char *, int*);
typedef char *rl_compentry_func_t (const char *, int);
typedef char **rl_completion_func_t (const char *, int, int);
/* Display 8-bit chars "as-is" or as `M-x'? Toggle with M-m. (Default:0 - "as-is") */
extern int rl_meta_chars;
@@ -70,6 +74,8 @@ extern const char *el_prev_hist(void);
extern char *rl_complete(char *token, int *match);
extern int rl_list_possib(char *token, char ***av);
extern char **rl_completion_matches(const char *token, rl_compentry_func_t *generator);
extern char *rl_filename_completion_function(const char *text, int state);
/* For compatibility with FSF readline. */
extern int rl_point;
@@ -108,9 +114,14 @@ extern void add_history (const char *line);
extern int read_history (const char *filename);
extern int write_history (const char *filename);
//extern int rl_complete2 (int ignore, int invoking_key);
extern rl_completion_func_t *rl_attempted_completion_function;
extern rl_complete_func_t *rl_set_complete_func (rl_complete_func_t *func);
extern rl_list_possib_func_t *rl_set_list_possib_func (rl_list_possib_func_t *func);
//#define rl_complete(a, b) _Generic((a), int: rl_complete2, default: rl_complete)(a, b)
/* Alternate interface to plain readline(), for event loops */
extern void rl_callback_handler_install (const char *prompt, rl_vcpfunc_t *lhandler);
extern void rl_callback_read_char (void);