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* ext/readline/readline.c: restore terminal mode

Browse source 
even if readline() interrupted.

* ext/readline/readline.c: returned string need to
  be tainted.

* ext/readline/readline.c: fixed memory leak.

* ext/readline/readline.c: allow negative index.

* ext/readline/readline.c: added Readline::HISTORY.size
  same as Readline::HISTORY.length

* ext/readline/readline.c: allow conditional parsing
  of the ~/.inputrc file by `$if Ruby'.

* ext/readline/extconf.rb: check whether the
  libreadline has the variable `rl_completion_append_character'
  (this feature was implemented from GNU readline 2.1).


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1735 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
shugo 2001-09-06 05:14:06 +00:00
parent 4c9a9a620a
commit 99ae768645
3 changed files with 104 additions and 17 deletions
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22
ChangeLog
View file

@ -1,3 +1,25 @@
Sun Aug 26 20:26:40 2001 Koji Arai <JCA02266@nifty.ne.jp>
* ext/readline/readline.c: restore terminal mode
even if readline() interrupted.
* ext/readline/readline.c: returned string need to
be tainted.
* ext/readline/readline.c: fixed memory leak.
* ext/readline/readline.c: allow negative index.
* ext/readline/readline.c: added Readline::HISTORY.size
same as Readline::HISTORY.length
* ext/readline/readline.c: allow conditional parsing
of the ~/.inputrc file by `$if Ruby'.
* ext/readline/extconf.rb: check whether the
libreadline has the variable `rl_completion_append_character'
(this feature was implemented from GNU readline 2.1).
Thu Sep 6 13:56:14 2001 Akinori MUSHA <knu@iDaemons.org>
* ext/digest/digest.c (rb_digest_base_s_digest,

13
ext/readline/extconf.rb
View file

@ -10,7 +10,18 @@ if have_header("readline/readline.h") and
have_header("readline/history.h") and
have_library("readline", "readline")
if have_func("rl_filename_completion_function")
$CFLAGS += "-DREADLINE_42_OR_LATER"
$CFLAGS += " -DREADLINE_42_OR_LATER"
end
if have_func("rl_cleanup_after_signal")
$CFLAGS += " -DREADLINE_40_OR_LATER"
end
if try_link(<<EOF, $libs)
#include <stdio.h>
#include <readline/readline.h>
main() {rl_completion_append_character = 1;}
EOF
# this feature is implemented in readline-2.1 or later.
$CFLAGS += " -DREADLINE_21_OR_LATER"
end
create_makefile("readline")
end

86
ext/readline/readline.c
View file

@ -38,16 +38,32 @@ readline_readline(argc, argv, self)
VALUE tmp, add_hist, result;
char *prompt = NULL;
char *buff;
int status;
if (rb_scan_args(argc, argv, "02", &tmp, &add_hist) > 0) {
prompt = StringValuePtr(tmp);
}
buff = readline(prompt);
buff = (char*)rb_protect((VALUE(*)_((VALUE)))readline, (VALUE)prompt,
&status);
if (status) {
#if READLINE_40_OR_LATER
/* restore terminal mode and signal handler*/
rl_cleanup_after_signal();
#elif READLINE_21_OR_LATER
/* restore terminal mode */
(*rl_deprep_term_function)();
#else
rl_deprep_terminal();
#endif
rb_jump_tag(status);
}
if (RTEST(add_hist) && buff) {
add_history(buff);
}
if (buff)
result = rb_str_new2(buff);
result = rb_tainted_str_new2(buff);
else
result = Qnil;
if (buff) free(buff);
@ -102,7 +118,7 @@ readline_attempted_completion_function(text, start, end)
return NULL;
rl_attempted_completion_over = 1;
case_fold = RTEST(rb_iv_get(mReadline, COMPLETION_CASE_FOLD));
ary = rb_funcall(proc, rb_intern("call"), 1, rb_str_new2(text));
ary = rb_funcall(proc, rb_intern("call"), 1, rb_tainted_str_new2(text));
if (TYPE(ary) != T_ARRAY)
ary = rb_Array(ary);
matches = RARRAY(ary)->len;
@ -171,6 +187,7 @@ static VALUE
readline_s_set_completion_append_character(self, str)
VALUE self, str;
{
#ifdef READLINE_21_OR_LATER
if (NIL_P(str)) {
rl_completion_append_character = '\0';
} else {
@ -180,12 +197,16 @@ readline_s_set_completion_append_character(self, str)
}
return self;
#else
rb_notimplement();
#endif /* READLINE_21_OR_LATER */
}
static VALUE
readline_s_get_completion_append_character(self)
VALUE self;
{
#ifdef READLINE_21_OR_LATER
VALUE str;
if (rl_completion_append_character == '\0')
@ -195,6 +216,26 @@ readline_s_get_completion_append_character(self)
RSTRING(str)->ptr[0] = rl_completion_append_character;
return str;
#else
rb_notimplement();
#endif /* READLINE_21_OR_LATER */
}
static VALUE
rb_remove_history(index)
int index;
{
HIST_ENTRY *entry;
VALUE val;
entry = remove_history(index);
if (entry) {
val = rb_tainted_str_new2(entry->line);
free(entry->line);
free(entry);
return val;
}
return Qnil;
}
static VALUE
@ -214,10 +255,13 @@ hist_get(self, index)
state = history_get_history_state();
i = NUM2INT(index);
if (i < 0) {
i += state->length;
}
if (i < 0 || i > state->length - 1) {
rb_raise(rb_eIndexError, "Invalid index");
}
return rb_str_new2(state->entries[i]->line);
return rb_tainted_str_new2(state->entries[i]->line);
}
static VALUE
@ -232,6 +276,9 @@ hist_set(self, index, str)
state = history_get_history_state();
i = NUM2INT(index);
if (i < 0) {
i += state->length;
}
if (i < 0 || i > state->length - 1) {
rb_raise(rb_eIndexError, "Invalid index");
}
@ -268,12 +315,10 @@ hist_pop(self)
VALUE self;
{
HISTORY_STATE *state;
HIST_ENTRY *entry;
state = history_get_history_state();
if (state->length > 0) {
entry = remove_history(state->length - 1);
return rb_str_new2(entry->line);
return rb_remove_history(state->length - 1);
} else {
return Qnil;
}
@ -284,12 +329,10 @@ hist_shift(self)
VALUE self;
{
HISTORY_STATE *state;
HIST_ENTRY *entry;
state = history_get_history_state();
if (state->length > 0) {
entry = remove_history(0);
return rb_str_new2(entry->line);
return rb_remove_history(0);
} else {
return Qnil;
}
@ -304,7 +347,7 @@ hist_each(self)
state = history_get_history_state();
for (i = 0; i < state->length; i++) {
rb_yield(rb_str_new2(state->entries[i]->line));
rb_yield(rb_tainted_str_new2(state->entries[i]->line));
}
return self;
}
@ -338,16 +381,16 @@ hist_delete_at(self, index)
VALUE index;
{
HISTORY_STATE *state;
HIST_ENTRY *entry;
int i;
state = history_get_history_state();
i = NUM2INT(index);
if (i < 0)
i += state->length;
if (i < 0 || i > state->length - 1) {
rb_raise(rb_eIndexError, "Invalid index");
}
entry = remove_history(NUM2INT(index));
return rb_str_new2(entry->line);
return rb_remove_history(i);
}
static VALUE
@ -364,7 +407,7 @@ filename_completion_proc_call(self, str)
if (matches) {
result = rb_ary_new();
for (i = 0; matches[i]; i++) {
rb_ary_push(result, rb_str_new2(matches[i]));
rb_ary_push(result, rb_tainted_str_new2(matches[i]));
free(matches[i]);
}
free(matches);
@ -391,7 +434,7 @@ username_completion_proc_call(self, str)
if (matches) {
result = rb_ary_new();
for (i = 0; matches[i]; i++) {
rb_ary_push(result, rb_str_new2(matches[i]));
rb_ary_push(result, rb_tainted_str_new2(matches[i]));
free(matches[i]);
}
free(matches);
@ -409,6 +452,9 @@ Init_readline()
{
VALUE histary, fcomp, ucomp;
/* Allow conditional parsing of the ~/.inputrc file. */
rl_readline_name = "Ruby";
using_history();
mReadline = rb_define_module("Readline");
@ -442,6 +488,8 @@ Init_readline()
rb_define_singleton_method(histary,"shift", hist_shift, 0);
rb_define_singleton_method(histary,"each", hist_each, 0);
rb_define_singleton_method(histary,"length", hist_length, 0);
rb_define_singleton_method(histary,"size", hist_length, 0);
rb_define_singleton_method(histary,"empty?", hist_empty_p, 0);
rb_define_singleton_method(histary,"delete_at", hist_delete_at, 1);
rb_define_const(mReadline, "HISTORY", histary);
@ -455,6 +503,12 @@ Init_readline()
rb_define_singleton_method(ucomp, "call",
username_completion_proc_call, 1);
rb_define_const(mReadline, "USERNAME_COMPLETION_PROC", ucomp);
#if READLINE_21_OR_LATER
rb_define_const(mReadline, "VERSION", rb_str_new2(rl_library_version));
#else
rb_define_const(mReadline, "VERSION",
rb_str_new2("2.0 or before version"));
#endif
rl_attempted_completion_function
= (CPPFunction *) readline_attempted_completion_function;