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		041e829127
		
	
	
	
	
		
			
			(rb_isalnum): ditto. (rb_isalpha): ditto. (rb_isblank): ditto. (rb_iscntrl): ditto. (rb_isdigit): ditto. (rb_isgraph): ditto. (rb_islower): ditto. (rb_isprint): ditto. (rb_ispunct): ditto. (rb_isspace): ditto. (rb_isupper): ditto. (rb_isxdigit): ditto. (rb_tolower): ditto. (rb_toupper): ditto. * include/ruby/st.h (st_strcasecmp): declared. (st_strncasecmp): ditto. * st.c (type_strcasehash): use st_strcasecmp instead of strcasecmp. (st_strcasecmp): defined. (st_strncasecmp): ditto. * include/ruby/ruby.h: include include/ruby/encoding.h. (ISASCII): use rb_isascii. (ISPRINT): use rb_isprint. (ISSPACE): use rb_isspace. (ISUPPER): use rb_isupper. (ISLOWER): use rb_islower. (ISALNUM): use rb_isalnum. (ISALPHA): use rb_isalpha. (ISDIGIT): use rb_isdigit. (ISXDIGIT): use rb_isxdigit. (TOUPPER): defined. (TOLOWER): ditto. (STRCASECMP): ditto. (STRNCASECMP): ditto. * dir.c, encoding.c, file.c, hash.c, process.c, ruby.c, time.c, transcode.c, ext/readline/readline.c: use locale insensitive functions. [ruby-core:14662] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14829 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
		
			
				
	
	
		
			795 lines
		
	
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			795 lines
		
	
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* readline.c -- GNU Readline module
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|    Copyright (C) 1997-2001  Shugo Maeda */
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| 
 | |
| #ifdef RUBY_EXTCONF_H
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| #include RUBY_EXTCONF_H
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| #endif
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| 
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| #include "ruby/config.h"
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| #include <errno.h>
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| #include <stdio.h>
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| #include <string.h>
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| #ifdef HAVE_READLINE_READLINE_H
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| #include <readline/readline.h>
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| #endif
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| #ifdef HAVE_READLINE_HISTORY_H
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| #include <readline/history.h>
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| #endif
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| #ifdef HAVE_EDITLINE_READLINE_H
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| #include <editline/readline.h>
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| #endif
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| 
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| #include "ruby/ruby.h"
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| #include "ruby/io.h"
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| #include "ruby/signal.h"
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| 
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| #ifdef HAVE_UNISTD_H
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| #include <unistd.h>
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| #endif
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| 
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| static VALUE mReadline;
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| 
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| #define COMPLETION_PROC "completion_proc"
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| #define COMPLETION_CASE_FOLD "completion_case_fold"
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| static ID completion_proc, completion_case_fold;
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| 
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| #ifndef HAVE_RL_FILENAME_COMPLETION_FUNCTION
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| # define rl_filename_completion_function filename_completion_function
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| #endif
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| #ifndef HAVE_RL_USERNAME_COMPLETION_FUNCTION
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| # define rl_username_completion_function username_completion_function
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| #endif
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| #ifndef HAVE_RL_COMPLETION_MATCHES
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| # define rl_completion_matches completion_matches
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| #endif
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| 
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| static int readline_event(void);
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| static char **readline_attempted_completion_function(const char *text,
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|                                                      int start, int end);
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| 
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| static int
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| readline_event()
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| {
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|     rb_thread_schedule();
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|     return 0;
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| }
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| 
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| static VALUE
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| readline_readline(int argc, VALUE *argv, VALUE self)
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| {
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|     VALUE tmp, add_hist, result;
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|     char *prompt = NULL;
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|     char *buff;
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|     int status;
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| 
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|     rb_secure(4);
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|     if (rb_scan_args(argc, argv, "02", &tmp, &add_hist) > 0) {
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| 	SafeStringValue(tmp);
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| 	prompt = RSTRING_PTR(tmp);
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|     }
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| 
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|     if (!isatty(0) && errno == EBADF) rb_raise(rb_eIOError, "stdin closed");
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| 
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|     buff = (char*)rb_protect((VALUE(*)_((VALUE)))readline, (VALUE)prompt,
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|                               &status);
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|     if (status) {
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| #if defined HAVE_RL_CLEANUP_AFTER_SIGNAL
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|         /* restore terminal mode and signal handler*/
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|         rl_cleanup_after_signal();
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| #elif defined HAVE_RL_DEPREP_TERM_FUNCTION
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|         /* restore terminal mode */
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| 	if (rl_deprep_term_function != NULL) /* NULL in libedit. [ruby-dev:29116] */
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| 	    (*rl_deprep_term_function)();
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| 	else
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| #else
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|         rl_deprep_terminal();
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| #endif
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|         rb_jump_tag(status);
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|     }
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| 
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|     if (RTEST(add_hist) && buff) {
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| 	add_history(buff);
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|     }
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|     if (buff) {
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| 	result = rb_tainted_str_new2(buff);
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| 	rb_enc_associate(result, rb_locale_encoding());
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|     }
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|     else
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| 	result = Qnil;
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|     if (buff) free(buff);
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|     return result;
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| }
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| 
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| static VALUE
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| readline_s_set_input(VALUE self, VALUE input)
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| {
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|     rb_io_t *ifp;
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| 
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|     rb_secure(4);
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|     Check_Type(input, T_FILE);
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|     GetOpenFile(input, ifp);
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|     rl_instream = rb_io_stdio_file(ifp);
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|     return input;
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| }
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| 
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| static VALUE
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| readline_s_set_output(VALUE self, VALUE output)
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| {
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|     rb_io_t *ofp;
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| 
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|     rb_secure(4);
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|     Check_Type(output, T_FILE);
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|     GetOpenFile(output, ofp);
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|     rl_outstream = rb_io_stdio_file(ofp);
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|     return output;
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| }
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| 
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| static VALUE
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| readline_s_set_completion_proc(VALUE self, VALUE proc)
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| {
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|     rb_secure(4);
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|     if (!rb_respond_to(proc, rb_intern("call")))
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| 	rb_raise(rb_eArgError, "argument must respond to `call'");
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|     return rb_ivar_set(mReadline, completion_proc, proc);
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| }
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| 
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| static VALUE
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| readline_s_get_completion_proc(VALUE self)
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| {
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|     rb_secure(4);
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|     return rb_attr_get(mReadline, completion_proc);
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| }
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| 
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| static VALUE
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| readline_s_set_completion_case_fold(VALUE self, VALUE val)
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| {
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|     rb_secure(4);
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|     return rb_ivar_set(mReadline, completion_case_fold, val);
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| }
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| 
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| static VALUE
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| readline_s_get_completion_case_fold(VALUE self)
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| {
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|     rb_secure(4);
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|     return rb_attr_get(mReadline, completion_case_fold);
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| }
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| 
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| static char **
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| readline_attempted_completion_function(const char *text, int start, int end)
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| {
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|     VALUE proc, ary, temp;
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|     char **result;
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|     int case_fold;
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|     int i, matches;
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| 
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|     proc = rb_attr_get(mReadline, completion_proc);
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|     if (NIL_P(proc))
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| 	return NULL;
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| #ifdef HAVE_RL_ATTEMPTED_COMPLETION_OVER
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|     rl_attempted_completion_over = 1;
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| #endif
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|     case_fold = RTEST(rb_attr_get(mReadline, completion_case_fold));
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|     ary = rb_funcall(proc, rb_intern("call"), 1, rb_tainted_str_new2(text));
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|     if (TYPE(ary) != T_ARRAY)
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| 	ary = rb_Array(ary);
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|     matches = RARRAY_LEN(ary);
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|     if (matches == 0)
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| 	return NULL;
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|     result = ALLOC_N(char *, matches + 2);
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|     for (i = 0; i < matches; i++) {
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| 	temp = rb_obj_as_string(RARRAY_PTR(ary)[i]);
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| 	result[i + 1] = ALLOC_N(char, RSTRING_LEN(temp) + 1);
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| 	strcpy(result[i + 1], RSTRING_PTR(temp));
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|     }
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|     result[matches + 1] = NULL;
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| 
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|     if (matches == 1) {
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|         result[0] = strdup(result[1]);
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|     }
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|     else {
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| 	register int i = 1;
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| 	int low = 100000;
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| 
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| 	while (i < matches) {
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| 	    register int c1, c2, si;
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| 
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| 	    if (case_fold) {
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| 		for (si = 0;
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| 		     (c1 = TOLOWER(result[i][si])) &&
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| 			 (c2 = TOLOWER(result[i + 1][si]));
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| 		     si++)
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| 		    if (c1 != c2) break;
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| 	    } else {
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| 		for (si = 0;
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| 		     (c1 = result[i][si]) &&
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| 			 (c2 = result[i + 1][si]);
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| 		     si++)
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| 		    if (c1 != c2) break;
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| 	    }
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| 
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| 	    if (low > si) low = si;
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| 	    i++;
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| 	}
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| 	result[0] = ALLOC_N(char, low + 1);
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| 	strncpy(result[0], result[1], low);
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| 	result[0][low] = '\0';
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|     }
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| 
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|     return result;
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| }
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| 
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| static VALUE
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| readline_s_vi_editing_mode(VALUE self)
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| {
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| #ifdef HAVE_RL_VI_EDITING_MODE
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|     rb_secure(4);
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|     rl_vi_editing_mode(1,0);
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|     return Qnil;
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| #else
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|     rb_notimplement();
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|     return Qnil; /* not reached */
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| #endif /* HAVE_RL_VI_EDITING_MODE */
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| }
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| 
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| static VALUE
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| readline_s_emacs_editing_mode(VALUE self)
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| {
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| #ifdef HAVE_RL_EMACS_EDITING_MODE
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|     rb_secure(4);
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|     rl_emacs_editing_mode(1,0);
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|     return Qnil;
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| #else
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|     rb_notimplement();
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|     return Qnil; /* not reached */
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| #endif /* HAVE_RL_EMACS_EDITING_MODE */
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| }
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| 
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| static VALUE
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| readline_s_set_completion_append_character(VALUE self, VALUE str)
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| {
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| #ifdef HAVE_RL_COMPLETION_APPEND_CHARACTER
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|     rb_secure(4);
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|     if (NIL_P(str)) {
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| 	rl_completion_append_character = '\0';
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|     }
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|     else {
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| 	SafeStringValue(str);
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| 	if (RSTRING_LEN(str) == 0) {
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| 	    rl_completion_append_character = '\0';
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| 	} else {
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| 	    rl_completion_append_character = RSTRING_PTR(str)[0];
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| 	}
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|     }
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|     return self;
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| #else
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|     rb_notimplement();
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|     return Qnil; /* not reached */
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| #endif /* HAVE_RL_COMPLETION_APPEND_CHARACTER */
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| }
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| 
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| static VALUE
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| readline_s_get_completion_append_character(VALUE self)
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| {
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| #ifdef HAVE_RL_COMPLETION_APPEND_CHARACTER
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|     VALUE str;
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| 
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|     rb_secure(4);
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|     if (rl_completion_append_character == '\0')
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| 	return Qnil;
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| 
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|     str = rb_str_new("", 1);
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|     RSTRING_PTR(str)[0] = rl_completion_append_character;
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|     return str;
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| #else
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|     rb_notimplement();
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|     return Qnil; /* not reached */
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| #endif /* HAVE_RL_COMPLETION_APPEND_CHARACTER */
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| }
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| 
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| static VALUE
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| readline_s_set_basic_word_break_characters(VALUE self, VALUE str)
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| {
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| #ifdef HAVE_RL_BASIC_WORD_BREAK_CHARACTERS
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|     static char *basic_word_break_characters = NULL;
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| 
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|     rb_secure(4);
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|     SafeStringValue(str);
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|     if (basic_word_break_characters == NULL) {
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| 	basic_word_break_characters =
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| 	    ALLOC_N(char, RSTRING_LEN(str) + 1);
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|     }
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|     else {
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| 	REALLOC_N(basic_word_break_characters, char, RSTRING_LEN(str) + 1);
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|     }
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|     strncpy(basic_word_break_characters,
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| 	    RSTRING_PTR(str), RSTRING_LEN(str));
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|     basic_word_break_characters[RSTRING_LEN(str)] = '\0';
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|     rl_basic_word_break_characters = basic_word_break_characters;
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|     return self;
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| #else
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|     rb_notimplement();
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|     return Qnil; /* not reached */
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| #endif /* HAVE_RL_BASIC_WORD_BREAK_CHARACTERS */
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| }
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| 
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| static VALUE
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| readline_s_get_basic_word_break_characters(VALUE self, VALUE str)
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| {
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| #ifdef HAVE_RL_BASIC_WORD_BREAK_CHARACTERS
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|     rb_secure(4);
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|     if (rl_basic_word_break_characters == NULL)
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| 	return Qnil;
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|     return rb_tainted_str_new2(rl_basic_word_break_characters);
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| #else
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|     rb_notimplement();
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|     return Qnil; /* not reached */
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| #endif /* HAVE_RL_BASIC_WORD_BREAK_CHARACTERS */
 | |
| }
 | |
| 
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| static VALUE
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| readline_s_set_completer_word_break_characters(VALUE self, VALUE str)
 | |
| {
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| #ifdef HAVE_RL_COMPLETER_WORD_BREAK_CHARACTERS
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|     static char *completer_word_break_characters = NULL;
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| 
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|     rb_secure(4);
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|     SafeStringValue(str);
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|     if (completer_word_break_characters == NULL) {
 | |
| 	completer_word_break_characters =
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| 	    ALLOC_N(char, RSTRING_LEN(str) + 1);
 | |
|     }
 | |
|     else {
 | |
| 	REALLOC_N(completer_word_break_characters, char, RSTRING_LEN(str) + 1);
 | |
|     }
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|     strncpy(completer_word_break_characters,
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| 	    RSTRING_PTR(str), RSTRING_LEN(str));
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|     completer_word_break_characters[RSTRING_LEN(str)] = '\0';
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|     rl_completer_word_break_characters = completer_word_break_characters;
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|     return self;
 | |
| #else
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|     rb_notimplement();
 | |
|     return Qnil; /* not reached */
 | |
| #endif /* HAVE_RL_COMPLETER_WORD_BREAK_CHARACTERS */
 | |
| }
 | |
| 
 | |
| static VALUE
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| readline_s_get_completer_word_break_characters(VALUE self, VALUE str)
 | |
| {
 | |
| #ifdef HAVE_RL_COMPLETER_WORD_BREAK_CHARACTERS
 | |
|     rb_secure(4);
 | |
|     if (rl_completer_word_break_characters == NULL)
 | |
| 	return Qnil;
 | |
|     return rb_tainted_str_new2(rl_completer_word_break_characters);
 | |
| #else
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|     rb_notimplement();
 | |
|     return Qnil; /* not reached */
 | |
| #endif /* HAVE_RL_COMPLETER_WORD_BREAK_CHARACTERS */
 | |
| }
 | |
| 
 | |
| static VALUE
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| readline_s_set_basic_quote_characters(VALUE self, VALUE str)
 | |
| {
 | |
| #ifdef HAVE_RL_BASIC_QUOTE_CHARACTERS
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|     static char *basic_quote_characters = NULL;
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| 
 | |
|     rb_secure(4);
 | |
|     SafeStringValue(str);
 | |
|     if (basic_quote_characters == NULL) {
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| 	basic_quote_characters =
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| 	    ALLOC_N(char, RSTRING_LEN(str) + 1);
 | |
|     }
 | |
|     else {
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| 	REALLOC_N(basic_quote_characters, char, RSTRING_LEN(str) + 1);
 | |
|     }
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|     strncpy(basic_quote_characters,
 | |
| 	    RSTRING_PTR(str), RSTRING_LEN(str));
 | |
|     basic_quote_characters[RSTRING_LEN(str)] = '\0';
 | |
|     rl_basic_quote_characters = basic_quote_characters;
 | |
| 
 | |
|     return self;
 | |
| #else
 | |
|     rb_notimplement();
 | |
|     return Qnil; /* not reached */
 | |
| #endif /* HAVE_RL_BASIC_QUOTE_CHARACTERS */
 | |
| }
 | |
| 
 | |
| static VALUE
 | |
| readline_s_get_basic_quote_characters(VALUE self, VALUE str)
 | |
| {
 | |
| #ifdef HAVE_RL_BASIC_QUOTE_CHARACTERS
 | |
|     rb_secure(4);
 | |
|     if (rl_basic_quote_characters == NULL)
 | |
| 	return Qnil;
 | |
|     return rb_tainted_str_new2(rl_basic_quote_characters);
 | |
| #else
 | |
|     rb_notimplement();
 | |
|     return Qnil; /* not reached */
 | |
| #endif /* HAVE_RL_BASIC_QUOTE_CHARACTERS */
 | |
| }
 | |
| 
 | |
| static VALUE
 | |
| readline_s_set_completer_quote_characters(VALUE self, VALUE str)
 | |
| {
 | |
| #ifdef HAVE_RL_COMPLETER_QUOTE_CHARACTERS
 | |
|     static char *completer_quote_characters = NULL;
 | |
| 
 | |
|     rb_secure(4);
 | |
|     SafeStringValue(str);
 | |
|     if (completer_quote_characters == NULL) {
 | |
| 	completer_quote_characters =
 | |
| 	    ALLOC_N(char, RSTRING_LEN(str) + 1);
 | |
|     }
 | |
|     else {
 | |
| 	REALLOC_N(completer_quote_characters, char, RSTRING_LEN(str) + 1);
 | |
|     }
 | |
|     strncpy(completer_quote_characters, RSTRING_PTR(str), RSTRING_LEN(str));
 | |
|     completer_quote_characters[RSTRING_LEN(str)] = '\0';
 | |
|     rl_completer_quote_characters = completer_quote_characters;
 | |
| 
 | |
|     return self;
 | |
| #else
 | |
|     rb_notimplement();
 | |
|     return Qnil; /* not reached */
 | |
| #endif /* HAVE_RL_COMPLETER_QUOTE_CHARACTERS */
 | |
| }
 | |
| 
 | |
| static VALUE
 | |
| readline_s_get_completer_quote_characters(VALUE self, VALUE str)
 | |
| {
 | |
| #ifdef HAVE_RL_COMPLETER_QUOTE_CHARACTERS
 | |
|     rb_secure(4);
 | |
|     if (rl_completer_quote_characters == NULL)
 | |
| 	return Qnil;
 | |
|     return rb_tainted_str_new2(rl_completer_quote_characters);
 | |
| #else
 | |
|     rb_notimplement();
 | |
|     return Qnil; /* not reached */
 | |
| #endif /* HAVE_RL_COMPLETER_QUOTE_CHARACTERS */
 | |
| }
 | |
| 
 | |
| static VALUE
 | |
| readline_s_set_filename_quote_characters(VALUE self, VALUE str)
 | |
| {
 | |
| #ifdef HAVE_RL_FILENAME_QUOTE_CHARACTERS
 | |
|     static char *filename_quote_characters = NULL;
 | |
| 
 | |
|     rb_secure(4);
 | |
|     SafeStringValue(str);
 | |
|     if (filename_quote_characters == NULL) {
 | |
| 	filename_quote_characters =
 | |
| 	    ALLOC_N(char, RSTRING_LEN(str) + 1);
 | |
|     }
 | |
|     else {
 | |
| 	REALLOC_N(filename_quote_characters, char, RSTRING_LEN(str) + 1);
 | |
|     }
 | |
|     strncpy(filename_quote_characters, RSTRING_PTR(str), RSTRING_LEN(str));
 | |
|     filename_quote_characters[RSTRING_LEN(str)] = '\0';
 | |
|     rl_filename_quote_characters = filename_quote_characters;
 | |
| 
 | |
|     return self;
 | |
| #else
 | |
|     rb_notimplement();
 | |
|     return Qnil; /* not reached */
 | |
| #endif /* HAVE_RL_FILENAME_QUOTE_CHARACTERS */
 | |
| }
 | |
| 
 | |
| static VALUE
 | |
| readline_s_get_filename_quote_characters(VALUE self, VALUE str)
 | |
| {
 | |
| #ifdef HAVE_RL_FILENAME_QUOTE_CHARACTERS
 | |
|     rb_secure(4);
 | |
|     if (rl_filename_quote_characters == NULL)
 | |
| 	return Qnil;
 | |
|     return rb_tainted_str_new2(rl_filename_quote_characters);
 | |
| #else
 | |
|     rb_notimplement();
 | |
|     return Qnil; /* not reached */
 | |
| #endif /* HAVE_RL_FILENAME_QUOTE_CHARACTERS */
 | |
| }
 | |
| 
 | |
| static VALUE
 | |
| hist_to_s(VALUE self)
 | |
| {
 | |
|     return rb_str_new2("HISTORY");
 | |
| }
 | |
| 
 | |
| static VALUE
 | |
| hist_get(VALUE self, VALUE index)
 | |
| {
 | |
|     HIST_ENTRY *entry;
 | |
|     int i;
 | |
| 
 | |
|     rb_secure(4);
 | |
|     i = NUM2INT(index);
 | |
|     if (i < 0) {
 | |
|         i += history_length;
 | |
|     }
 | |
|     entry = history_get(history_base + i);
 | |
|     if (entry == NULL) {
 | |
| 	rb_raise(rb_eIndexError, "invalid index");
 | |
|     }
 | |
|     return rb_tainted_str_new2(entry->line);
 | |
| }
 | |
| 
 | |
| static VALUE
 | |
| hist_set(VALUE self, VALUE index, VALUE str)
 | |
| {
 | |
| #ifdef HAVE_REPLACE_HISTORY_ENTRY
 | |
|     HIST_ENTRY *entry;
 | |
|     int i;
 | |
| 
 | |
|     rb_secure(4);
 | |
|     i = NUM2INT(index);
 | |
|     SafeStringValue(str);
 | |
|     if (i < 0) {
 | |
|         i += history_length;
 | |
|     }
 | |
|     entry = replace_history_entry(i, RSTRING_PTR(str), NULL);
 | |
|     if (entry == NULL) {
 | |
| 	rb_raise(rb_eIndexError, "invalid index");
 | |
|     }
 | |
|     return str;
 | |
| #else
 | |
|     rb_notimplement();
 | |
|     return Qnil; /* not reached */
 | |
| #endif
 | |
| }
 | |
| 
 | |
| static VALUE
 | |
| hist_push(VALUE self, VALUE str)
 | |
| {
 | |
|     rb_secure(4);
 | |
|     SafeStringValue(str);
 | |
|     add_history(RSTRING_PTR(str));
 | |
|     return self;
 | |
| }
 | |
| 
 | |
| static VALUE
 | |
| hist_push_method(int argc, VALUE *argv, VALUE self)
 | |
| {
 | |
|     VALUE str;
 | |
|     
 | |
|     rb_secure(4);
 | |
|     while (argc--) {
 | |
| 	str = *argv++;
 | |
| 	SafeStringValue(str);
 | |
| 	add_history(RSTRING_PTR(str));
 | |
|     }
 | |
|     return self;
 | |
| }
 | |
| 
 | |
| static VALUE
 | |
| rb_remove_history(int index)
 | |
| {
 | |
| #ifdef HAVE_REMOVE_HISTORY
 | |
|     HIST_ENTRY *entry;
 | |
|     VALUE val;
 | |
| 
 | |
|     rb_secure(4);
 | |
|     entry = remove_history(index);
 | |
|     if (entry) {
 | |
|         val = rb_tainted_str_new2(entry->line);
 | |
|         free(entry->line);
 | |
|         free(entry);
 | |
|         return val;
 | |
|     }
 | |
|     return Qnil;
 | |
| #else
 | |
|     rb_notimplement();
 | |
|     return Qnil; /* not reached */
 | |
| #endif
 | |
| }
 | |
| 
 | |
| static VALUE
 | |
| hist_pop(VALUE self)
 | |
| {
 | |
|     rb_secure(4);
 | |
|     if (history_length > 0) {
 | |
| 	return rb_remove_history(history_length - 1);
 | |
|     } else {
 | |
| 	return Qnil;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static VALUE
 | |
| hist_shift(VALUE self)
 | |
| {
 | |
|     rb_secure(4);
 | |
|     if (history_length > 0) {
 | |
| 	return rb_remove_history(0);
 | |
|     } else {
 | |
| 	return Qnil;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static VALUE
 | |
| hist_each(VALUE self)
 | |
| {
 | |
|     HIST_ENTRY *entry;
 | |
|     int i;
 | |
| 
 | |
|     rb_secure(4);
 | |
|     for (i = 0; i < history_length; i++) {
 | |
|         entry = history_get(history_base + i);
 | |
|         if (entry == NULL)
 | |
|             break;
 | |
| 	rb_yield(rb_tainted_str_new2(entry->line));
 | |
|     }
 | |
|     return self;
 | |
| }
 | |
| 
 | |
| static VALUE
 | |
| hist_length(VALUE self)
 | |
| {
 | |
|     rb_secure(4);
 | |
|     return INT2NUM(history_length);
 | |
| }
 | |
| 
 | |
| static VALUE
 | |
| hist_empty_p(VALUE self)
 | |
| {
 | |
|     rb_secure(4);
 | |
|     return history_length == 0 ? Qtrue : Qfalse;
 | |
| }
 | |
| 
 | |
| static VALUE
 | |
| hist_delete_at(VALUE self, VALUE index)
 | |
| {
 | |
|     int i;
 | |
| 
 | |
|     rb_secure(4);
 | |
|     i = NUM2INT(index);
 | |
|     if (i < 0)
 | |
|         i += history_length;
 | |
|     if (i < 0 || i > history_length - 1) {
 | |
| 	rb_raise(rb_eIndexError, "invalid index");
 | |
|     }
 | |
|     return rb_remove_history(i);
 | |
| }
 | |
| 
 | |
| static VALUE
 | |
| filename_completion_proc_call(VALUE self, VALUE str)
 | |
| {
 | |
|     VALUE result;
 | |
|     char **matches;
 | |
|     int i;
 | |
| 
 | |
|     matches = rl_completion_matches(StringValuePtr(str),
 | |
| 				    rl_filename_completion_function);
 | |
|     if (matches) {
 | |
| 	result = rb_ary_new();
 | |
| 	for (i = 0; matches[i]; i++) {
 | |
| 	    rb_ary_push(result, rb_tainted_str_new2(matches[i]));
 | |
| 	    free(matches[i]);
 | |
| 	}
 | |
| 	free(matches);
 | |
| 	if (RARRAY_LEN(result) >= 2)
 | |
| 	    rb_ary_shift(result);
 | |
|     }
 | |
|     else {
 | |
| 	result = Qnil;
 | |
|     }
 | |
|     return result;
 | |
| }
 | |
| 
 | |
| static VALUE
 | |
| username_completion_proc_call(VALUE self, VALUE str)
 | |
| {
 | |
|     VALUE result;
 | |
|     char **matches;
 | |
|     int i;
 | |
| 
 | |
|     matches = rl_completion_matches(StringValuePtr(str),
 | |
| 				    rl_username_completion_function);
 | |
|     if (matches) {
 | |
| 	result = rb_ary_new();
 | |
| 	for (i = 0; matches[i]; i++) {
 | |
| 	    rb_ary_push(result, rb_tainted_str_new2(matches[i]));
 | |
| 	    free(matches[i]);
 | |
| 	}
 | |
| 	free(matches);
 | |
| 	if (RARRAY_LEN(result) >= 2)
 | |
| 	    rb_ary_shift(result);
 | |
|     }
 | |
|     else {
 | |
| 	result = Qnil;
 | |
|     }
 | |
|     return result;
 | |
| }
 | |
| 
 | |
| void
 | |
| Init_readline()
 | |
| {
 | |
|     VALUE history, fcomp, ucomp;
 | |
| 
 | |
|     /* Allow conditional parsing of the ~/.inputrc file. */
 | |
|     rl_readline_name = "Ruby";
 | |
| 
 | |
|     using_history();
 | |
| 
 | |
|     completion_proc = rb_intern(COMPLETION_PROC);
 | |
|     completion_case_fold = rb_intern(COMPLETION_CASE_FOLD);
 | |
| 
 | |
|     mReadline = rb_define_module("Readline");
 | |
|     rb_define_module_function(mReadline, "readline",
 | |
| 			      readline_readline, -1);
 | |
|     rb_define_singleton_method(mReadline, "input=",
 | |
| 			       readline_s_set_input, 1);
 | |
|     rb_define_singleton_method(mReadline, "output=",
 | |
| 			       readline_s_set_output, 1);
 | |
|     rb_define_singleton_method(mReadline, "completion_proc=",
 | |
| 			       readline_s_set_completion_proc, 1);
 | |
|     rb_define_singleton_method(mReadline, "completion_proc",
 | |
| 			       readline_s_get_completion_proc, 0);
 | |
|     rb_define_singleton_method(mReadline, "completion_case_fold=",
 | |
| 			       readline_s_set_completion_case_fold, 1);
 | |
|     rb_define_singleton_method(mReadline, "completion_case_fold",
 | |
| 			       readline_s_get_completion_case_fold, 0);
 | |
|     rb_define_singleton_method(mReadline, "vi_editing_mode",
 | |
| 			       readline_s_vi_editing_mode, 0);
 | |
|     rb_define_singleton_method(mReadline, "emacs_editing_mode",
 | |
| 			       readline_s_emacs_editing_mode, 0);
 | |
|     rb_define_singleton_method(mReadline, "completion_append_character=",
 | |
| 			       readline_s_set_completion_append_character, 1);
 | |
|     rb_define_singleton_method(mReadline, "completion_append_character",
 | |
| 			       readline_s_get_completion_append_character, 0);
 | |
|     rb_define_singleton_method(mReadline, "basic_word_break_characters=",
 | |
| 			       readline_s_set_basic_word_break_characters, 1);
 | |
|     rb_define_singleton_method(mReadline, "basic_word_break_characters",
 | |
| 			       readline_s_get_basic_word_break_characters, 0);
 | |
|     rb_define_singleton_method(mReadline, "completer_word_break_characters=",
 | |
| 			       readline_s_set_completer_word_break_characters, 1);
 | |
|     rb_define_singleton_method(mReadline, "completer_word_break_characters",
 | |
| 			       readline_s_get_completer_word_break_characters, 0);
 | |
|     rb_define_singleton_method(mReadline, "basic_quote_characters=",
 | |
| 			       readline_s_set_basic_quote_characters, 1);
 | |
|     rb_define_singleton_method(mReadline, "basic_quote_characters",
 | |
| 			       readline_s_get_basic_quote_characters, 0);
 | |
|     rb_define_singleton_method(mReadline, "completer_quote_characters=",
 | |
| 			       readline_s_set_completer_quote_characters, 1);
 | |
|     rb_define_singleton_method(mReadline, "completer_quote_characters",
 | |
| 			       readline_s_get_completer_quote_characters, 0);
 | |
|     rb_define_singleton_method(mReadline, "filename_quote_characters=",
 | |
| 			       readline_s_set_filename_quote_characters, 1);
 | |
|     rb_define_singleton_method(mReadline, "filename_quote_characters",
 | |
| 			       readline_s_get_filename_quote_characters, 0);
 | |
| 
 | |
|     history = rb_obj_alloc(rb_cObject);
 | |
|     rb_extend_object(history, rb_mEnumerable);
 | |
|     rb_define_singleton_method(history,"to_s", hist_to_s, 0);
 | |
|     rb_define_singleton_method(history,"[]", hist_get, 1);
 | |
|     rb_define_singleton_method(history,"[]=", hist_set, 2);
 | |
|     rb_define_singleton_method(history,"<<", hist_push, 1);
 | |
|     rb_define_singleton_method(history,"push", hist_push_method, -1);
 | |
|     rb_define_singleton_method(history,"pop", hist_pop, 0);
 | |
|     rb_define_singleton_method(history,"shift", hist_shift, 0);
 | |
|     rb_define_singleton_method(history,"each", hist_each, 0);
 | |
|     rb_define_singleton_method(history,"length", hist_length, 0);
 | |
|     rb_define_singleton_method(history,"size", hist_length, 0);
 | |
|     rb_define_singleton_method(history,"empty?", hist_empty_p, 0);
 | |
|     rb_define_singleton_method(history,"delete_at", hist_delete_at, 1);
 | |
|     rb_define_const(mReadline, "HISTORY", history);
 | |
| 
 | |
|     fcomp = rb_obj_alloc(rb_cObject);
 | |
|     rb_define_singleton_method(fcomp, "call",
 | |
| 			       filename_completion_proc_call, 1);
 | |
|     rb_define_const(mReadline, "FILENAME_COMPLETION_PROC", fcomp);
 | |
| 
 | |
|     ucomp = rb_obj_alloc(rb_cObject);
 | |
|     rb_define_singleton_method(ucomp, "call",
 | |
| 			       username_completion_proc_call, 1);
 | |
|     rb_define_const(mReadline, "USERNAME_COMPLETION_PROC", ucomp);
 | |
| #if defined HAVE_RL_LIBRARY_VERSION
 | |
|     rb_define_const(mReadline, "VERSION", rb_str_new2(rl_library_version));
 | |
| #else
 | |
|     rb_define_const(mReadline, "VERSION", rb_str_new2("2.0 or prior version"));
 | |
| #endif
 | |
| 
 | |
|     rl_attempted_completion_function = readline_attempted_completion_function;
 | |
| #ifdef HAVE_RL_EVENT_HOOK
 | |
|     rl_event_hook = readline_event;
 | |
| #endif
 | |
| #ifdef HAVE_RL_CLEAR_SIGNALS
 | |
|     rl_clear_signals();
 | |
| #endif
 | |
| }
 |