diff options
Diffstat (limited to 'bind.c')
| -rw-r--r-- | bind.c | 427 |
1 files changed, 266 insertions, 161 deletions
@@ -7,7 +7,7 @@ The GNU Readline Library is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License - as published by the Free Software Foundation; either version 1, or + as published by the Free Software Foundation; either version 2, or (at your option) any later version. The GNU Readline Library is distributed in the hope that it will be @@ -18,7 +18,7 @@ The GNU General Public License is often shipped with GNU software, and is generally kept in a file called COPYING or LICENSE. If you do not have a copy of the license, write to the Free Software Foundation, - 675 Mass Ave, Cambridge, MA 02139, USA. */ + 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ #define READLINE_LIBRARY #if defined (HAVE_CONFIG_H) @@ -42,7 +42,6 @@ # include "ansi_stdlib.h" #endif /* HAVE_STDLIB_H */ -#include <signal.h> #include <errno.h> #if !defined (errno) @@ -58,61 +57,25 @@ extern int errno; #include "readline.h" #include "history.h" +#include "rlprivate.h" +#include "rlshell.h" +#include "xmalloc.h" + #if !defined (strchr) && !defined (__STDC__) extern char *strchr (), *strrchr (); #endif /* !strchr && !__STDC__ */ -extern int _rl_horizontal_scroll_mode; -extern int _rl_mark_modified_lines; -extern int _rl_bell_preference; -extern int _rl_meta_flag; -extern int _rl_convert_meta_chars_to_ascii; -extern int _rl_output_meta_chars; -extern int _rl_complete_show_all; -extern int _rl_complete_mark_directories; -extern int _rl_print_completions_horizontally; -extern int _rl_completion_case_fold; -extern int _rl_enable_keypad; -#if defined (PAREN_MATCHING) -extern int rl_blink_matching_paren; -#endif /* PAREN_MATCHING */ -#if defined (VISIBLE_STATS) -extern int rl_visible_stats; -#endif /* VISIBLE_STATS */ -extern int rl_complete_with_tilde_expansion; -extern int rl_completion_query_items; -extern int rl_inhibit_completion; -extern char *_rl_comment_begin; -extern unsigned char *_rl_isearch_terminators; - -extern int rl_explicit_arg; -extern int rl_editing_mode; -extern unsigned char _rl_parsing_conditionalized_out; -extern Keymap _rl_keymap; - -extern char *possible_control_prefixes[], *possible_meta_prefixes[]; - -/* Functions imported from funmap.c */ -extern char **rl_funmap_names (); -extern int rl_add_funmap_entry (); - -/* Functions imported from util.c */ -extern char *_rl_strindex (); - -/* Functions imported from shell.c */ -extern char *get_env_value (); - /* Variables exported by this file. */ Keymap rl_binding_keymap; -/* Forward declarations */ -void rl_set_keymap_from_edit_mode (); +static int _rl_read_init_file __P((char *, int)); +static int glean_key_from_name __P((char *)); +static int substring_member_of_array __P((char *, char **)); -static int _rl_read_init_file (); -static int glean_key_from_name (); -static int substring_member_of_array (); +static int currently_reading_init_file; -extern char *xmalloc (), *xrealloc (); +/* used only in this file */ +static int _rl_prefer_visible_bell = 1; /* **************************************************************** */ /* */ @@ -677,9 +640,16 @@ _rl_read_file (filename, sizep) return ((char *)NULL); } +#if 0 buffer[file_size] = '\0'; if (sizep) *sizep = file_size; +#else + buffer[i] = '\0'; + if (sizep) + *sizep = i; +#endif + return (buffer); } @@ -718,6 +688,11 @@ rl_read_init_file (filename) if (*filename == 0) filename = DEFAULT_INPUTRC; +#if defined (__MSDOS__) + if (_rl_read_init_file (filename, 0) == 0) + return 0; + filename = "~/_inputrc"; +#endif return (_rl_read_init_file (filename, 0)); } @@ -746,6 +721,8 @@ _rl_read_init_file (filename, include_level) last_readline_init_file = savestring (filename); } + currently_reading_init_file = 1; + /* Loop over the lines in the file. Lines that start with `#' are comments; all other lines are commands for readline initialization. */ current_readline_init_lineno = 1; @@ -756,6 +733,12 @@ _rl_read_init_file (filename, include_level) /* Find the end of this line. */ for (i = 0; line + i != end && line[i] != '\n'; i++); +#if defined (__CYGWIN32__) + /* ``Be liberal in what you accept.'' */ + if (line[i] == '\n' && line[i-1] == '\r') + line[i - 1] = '\0'; +#endif + /* Mark end of line. */ line[i] = '\0'; @@ -776,6 +759,7 @@ _rl_read_init_file (filename, include_level) } free (buffer); + currently_reading_init_file = 0; return (0); } @@ -783,9 +767,11 @@ static void _rl_init_file_error (msg) char *msg; { - fprintf (stderr, "readline: %s: line %d: %s\n", current_readline_init_file, - current_readline_init_lineno, - msg); + if (currently_reading_init_file) + fprintf (stderr, "readline: %s: line %d: %s\n", current_readline_init_file, + current_readline_init_lineno, msg); + else + fprintf (stderr, "readline: %s\n", msg); } /* **************************************************************** */ @@ -1232,154 +1218,273 @@ rl_parse_and_bind (string) have one of two values; either "On" or 1 for truth, or "Off" or 0 for false. */ +#define V_SPECIAL 0x1 + static struct { char *name; int *value; + int flags; } boolean_varlist [] = { -#if defined (PAREN_MATCHING) - { "blink-matching-paren", &rl_blink_matching_paren }, -#endif - { "completion-ignore-case", &_rl_completion_case_fold }, - { "convert-meta", &_rl_convert_meta_chars_to_ascii }, - { "disable-completion", &rl_inhibit_completion }, - { "enable-keypad", &_rl_enable_keypad }, - { "expand-tilde", &rl_complete_with_tilde_expansion }, - { "horizontal-scroll-mode", &_rl_horizontal_scroll_mode }, - { "input-meta", &_rl_meta_flag }, - { "mark-directories", &_rl_complete_mark_directories }, - { "mark-modified-lines", &_rl_mark_modified_lines }, - { "meta-flag", &_rl_meta_flag }, - { "output-meta", &_rl_output_meta_chars }, - { "print-completions-horizontally", &_rl_print_completions_horizontally }, - { "show-all-if-ambiguous", &_rl_complete_show_all }, + { "blink-matching-paren", &rl_blink_matching_paren, V_SPECIAL }, + { "completion-ignore-case", &_rl_completion_case_fold, 0 }, + { "convert-meta", &_rl_convert_meta_chars_to_ascii, 0 }, + { "disable-completion", &rl_inhibit_completion, 0 }, + { "enable-keypad", &_rl_enable_keypad, 0 }, + { "expand-tilde", &rl_complete_with_tilde_expansion, 0 }, + { "horizontal-scroll-mode", &_rl_horizontal_scroll_mode, 0 }, + { "input-meta", &_rl_meta_flag, 0 }, + { "mark-directories", &_rl_complete_mark_directories, 0 }, + { "mark-modified-lines", &_rl_mark_modified_lines, 0 }, + { "meta-flag", &_rl_meta_flag, 0 }, + { "output-meta", &_rl_output_meta_chars, 0 }, + { "prefer-visible-bell", &_rl_prefer_visible_bell, V_SPECIAL }, + { "print-completions-horizontally", &_rl_print_completions_horizontally, 0 }, + { "show-all-if-ambiguous", &_rl_complete_show_all, 0 }, #if defined (VISIBLE_STATS) - { "visible-stats", &rl_visible_stats }, + { "visible-stats", &rl_visible_stats, 0 }, #endif /* VISIBLE_STATS */ { (char *)NULL, (int *)NULL } }; +static int +find_boolean_var (name) + char *name; +{ + register int i; + + for (i = 0; boolean_varlist[i].name; i++) + if (_rl_stricmp (name, boolean_varlist[i].name) == 0) + return i; + return -1; +} + +/* Hooks for handling special boolean variables, where a + function needs to be called or another variable needs + to be changed when they're changed. */ +static void +hack_special_boolean_var (i) + int i; +{ + char *name; + + name = boolean_varlist[i].name; + + if (_rl_stricmp (name, "blink-matching-paren") == 0) + _rl_enable_paren_matching (rl_blink_matching_paren); + else if (_rl_stricmp (name, "prefer-visible-bell") == 0) + { + if (_rl_prefer_visible_bell) + _rl_bell_preference = VISIBLE_BELL; + else + _rl_bell_preference = AUDIBLE_BELL; + } +} + +/* These *must* correspond to the array indices for the appropriate + string variable. (Though they're not used right now.) */ +#define V_BELLSTYLE 0 +#define V_COMBEGIN 1 +#define V_EDITMODE 2 +#define V_ISRCHTERM 3 +#define V_KEYMAP 4 + +#define V_STRING 1 +#define V_INT 2 + +/* Forward declarations */ +static int sv_bell_style __P((char *)); +static int sv_combegin __P((char *)); +static int sv_compquery __P((char *)); +static int sv_editmode __P((char *)); +static int sv_isrchterm __P((char *)); +static int sv_keymap __P((char *)); + +static struct { + char *name; + int flags; + Function *set_func; +} string_varlist[] = { + { "bell-style", V_STRING, sv_bell_style }, + { "comment-begin", V_STRING, sv_combegin }, + { "completion-query-items", V_INT, sv_compquery }, + { "editing-mode", V_STRING, sv_editmode }, + { "isearch-terminators", V_STRING, sv_isrchterm }, + { "keymap", V_STRING, sv_keymap }, + { (char *)NULL, 0 } +}; + +static int +find_string_var (name) + char *name; +{ + register int i; + + for (i = 0; string_varlist[i].name; i++) + if (_rl_stricmp (name, string_varlist[i].name) == 0) + return i; + return -1; +} + +/* A boolean value that can appear in a `set variable' command is true if + the value is null or empty, `on' (case-insenstive), or "1". Any other + values result in 0 (false). */ +static int +bool_to_int (value) + char *value; +{ + return (value == 0 || *value == '\0' || + (_rl_stricmp (value, "on") == 0) || + (value[0] == '1' && value[1] == '\0')); +} + int rl_variable_bind (name, value) char *name, *value; { register int i; + int v; /* Check for simple variables first. */ - for (i = 0; boolean_varlist[i].name; i++) + i = find_boolean_var (name); + if (i >= 0) { - if (_rl_stricmp (name, boolean_varlist[i].name) == 0) - { - /* A variable is TRUE if the "value" is "on", "1" or "". */ - *boolean_varlist[i].value = *value == 0 || - _rl_stricmp (value, "on") == 0 || - (value[0] == '1' && value[1] == '\0'); - return 0; - } + *boolean_varlist[i].value = bool_to_int (value); + if (boolean_varlist[i].flags & V_SPECIAL) + hack_special_boolean_var (i); + return 0; } - /* Not a boolean variable, so check for specials. */ + i = find_string_var (name); - /* Editing mode change? */ - if (_rl_stricmp (name, "editing-mode") == 0) + /* For the time being, unknown variable names or string names without a + handler function are simply ignored. */ + if (i < 0 || string_varlist[i].set_func == 0) + return 0; + + v = (*string_varlist[i].set_func) (value); + return v; +} + +static int +sv_editmode (value) + char *value; +{ + if (_rl_strnicmp (value, "vi", 2) == 0) { - if (_rl_strnicmp (value, "vi", 2) == 0) - { #if defined (VI_MODE) - _rl_keymap = vi_insertion_keymap; - rl_editing_mode = vi_mode; + _rl_keymap = vi_insertion_keymap; + rl_editing_mode = vi_mode; #endif /* VI_MODE */ - } - else if (_rl_strnicmp (value, "emacs", 5) == 0) - { - _rl_keymap = emacs_standard_keymap; - rl_editing_mode = emacs_mode; - } + return 0; } - - /* Comment string change? */ - else if (_rl_stricmp (name, "comment-begin") == 0) + else if (_rl_strnicmp (value, "emacs", 5) == 0) { - if (*value) - { - if (_rl_comment_begin) - free (_rl_comment_begin); - - _rl_comment_begin = savestring (value); - } + _rl_keymap = emacs_standard_keymap; + rl_editing_mode = emacs_mode; + return 0; } - else if (_rl_stricmp (name, "completion-query-items") == 0) + return 1; +} + +static int +sv_combegin (value) + char *value; +{ + if (value && *value) { - int nval = 100; - if (*value) - { - nval = atoi (value); - if (nval < 0) - nval = 0; - } - rl_completion_query_items = nval; + FREE (_rl_comment_begin); + _rl_comment_begin = savestring (value); + return 0; } - else if (_rl_stricmp (name, "keymap") == 0) + return 1; +} + +static int +sv_compquery (value) + char *value; +{ + int nval = 100; + + if (value && *value) { - Keymap kmap; - kmap = rl_get_keymap_by_name (value); - if (kmap) - rl_set_keymap (kmap); + nval = atoi (value); + if (nval < 0) + nval = 0; } - else if (_rl_stricmp (name, "bell-style") == 0) + rl_completion_query_items = nval; + return 0; +} + +static int +sv_keymap (value) + char *value; +{ + Keymap kmap; + + kmap = rl_get_keymap_by_name (value); + if (kmap) { - if (!*value) - _rl_bell_preference = AUDIBLE_BELL; - else - { - if (_rl_stricmp (value, "none") == 0 || _rl_stricmp (value, "off") == 0) - _rl_bell_preference = NO_BELL; - else if (_rl_stricmp (value, "audible") == 0 || _rl_stricmp (value, "on") == 0) - _rl_bell_preference = AUDIBLE_BELL; - else if (_rl_stricmp (value, "visible") == 0) - _rl_bell_preference = VISIBLE_BELL; - } + rl_set_keymap (kmap); + return 0; } - else if (_rl_stricmp (name, "prefer-visible-bell") == 0) + return 1; +} + +#define _SET_BELL(v) do { _rl_bell_preference = v; return 0; } while (0) + +static int +sv_bell_style (value) + char *value; +{ + if (value == 0 || *value == '\0') + _SET_BELL (AUDIBLE_BELL); + else if (_rl_stricmp (value, "none") == 0 || _rl_stricmp (value, "off") == 0) + _SET_BELL (NO_BELL); + else if (_rl_stricmp (value, "audible") == 0 || _rl_stricmp (value, "on") == 0) + _SET_BELL (AUDIBLE_BELL); + else if (_rl_stricmp (value, "visible") == 0) + _SET_BELL (VISIBLE_BELL); + else + return 1; +} +#undef _SET_BELL + +static int +sv_isrchterm (value) + char *value; +{ + int beg, end, delim; + char *v; + + if (value == 0) + return 1; + + /* Isolate the value and translate it into a character string. */ + v = savestring (value); + FREE (_rl_isearch_terminators); + if (v[0] == '"' || v[0] == '\'') { - /* Backwards compatibility. */ - if (*value && (_rl_stricmp (value, "on") == 0 || - (*value == '1' && !value[1]))) - _rl_bell_preference = VISIBLE_BELL; - else - _rl_bell_preference = AUDIBLE_BELL; + delim = v[0]; + for (beg = end = 1; v[end] && v[end] != delim; end++) + ; } - else if (_rl_stricmp (name, "isearch-terminators") == 0) + else { - /* Isolate the value and translate it into a character string. */ - int beg, end; - char *v; + for (beg = end = 0; whitespace (v[end]) == 0; end++) + ; + } - v = savestring (value); - FREE (_rl_isearch_terminators); - if (v[0] == '"' || v[0] == '\'') - { - int delim = v[0]; - for (beg = end = 1; v[end] && v[end] != delim; end++) - ; - } - else - { - for (beg = end = 0; whitespace (v[end]) == 0; end++) - ; - } + v[end] = '\0'; - v[end] = '\0'; - /* The value starts at v + beg. Translate it into a character string. */ - _rl_isearch_terminators = (unsigned char *)xmalloc (2 * strlen (v) + 1); - rl_translate_keyseq (v + beg, _rl_isearch_terminators, &end); - _rl_isearch_terminators[end] = '\0'; - free (v); - } - - /* For the time being, unknown variable names are simply ignored. */ + /* The value starts at v + beg. Translate it into a character string. */ + _rl_isearch_terminators = (unsigned char *)xmalloc (2 * strlen (v) + 1); + rl_translate_keyseq (v + beg, _rl_isearch_terminators, &end); + _rl_isearch_terminators[end] = '\0'; + + free (v); return 0; } - + /* Return the character which matches NAME. For example, `Space' returns ' '. */ |