php-src/ext/readline/readline.c
Andi Gutmans 01ed33d1b6 - Pointed out by Andrei. zval_ptr_dtor() should be used instead of the
zval_del_ref() function which should be nuked.
2001-02-27 20:16:35 +00:00

439 lines
10 KiB
C

/*
+----------------------------------------------------------------------+
| PHP version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2001 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_02.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Thies C. Arntzen (thies@thieso.net) |
+----------------------------------------------------------------------+
*/
/* $Id$ */
/* {{{ includes & prototypes */
#include "php.h"
#include "php_readline.h"
#if HAVE_LIBREADLINE || HAVE_LIBEDIT
#include <readline/readline.h>
#ifndef HAVE_LIBEDIT
#include <readline/history.h>
#endif
PHP_FUNCTION(readline);
PHP_FUNCTION(readline_add_history);
PHP_FUNCTION(readline_info);
PHP_FUNCTION(readline_clear_history);
PHP_FUNCTION(readline_list_history);
PHP_FUNCTION(readline_read_history);
PHP_FUNCTION(readline_write_history);
PHP_FUNCTION(readline_completion_function);
static char *_readline_completion = NULL;
static zval _readline_array;
PHP_MINIT_FUNCTION(readline);
PHP_RSHUTDOWN_FUNCTION(readline);
/* }}} */
/* {{{ module stuff */
static zend_function_entry php_readline_functions[] = {
PHP_FE(readline, NULL)
PHP_FE(readline_info, NULL)
PHP_FE(readline_add_history, NULL)
PHP_FE(readline_clear_history, NULL)
#ifdef HAVE_READLINE
PHP_FE(readline_list_history, NULL)
#else
PHP_FALIAS(readline_list_history, warn_not_available, NULL)
#endif
PHP_FE(readline_read_history, NULL)
PHP_FE(readline_write_history, NULL)
PHP_FE(readline_completion_function,NULL)
{NULL, NULL, NULL}
};
zend_module_entry readline_module_entry = {
"readline",
php_readline_functions,
PHP_MINIT(readline),
NULL,
NULL,
PHP_RSHUTDOWN(readline),
NULL,
STANDARD_MODULE_PROPERTIES
};
#ifdef COMPILE_DL_READLINE
ZEND_GET_MODULE(readline)
#endif
PHP_MINIT_FUNCTION(readline)
{
using_history();
return SUCCESS;
}
PHP_RSHUTDOWN_FUNCTION(readline)
{
if (_readline_completion)
efree(_readline_completion);
return SUCCESS;
}
/* }}} */
/* {{{ proto string readline([string prompt])
Reads a line */
PHP_FUNCTION(readline)
{
char *result;
pval **arg;
int ac = ZEND_NUM_ARGS();
if (ac < 0 || ac > 1 || zend_get_parameters_ex(ac, &arg) == FAILURE) {
WRONG_PARAM_COUNT;
}
if (ac == 1) {
convert_to_string_ex(arg);
}
result = readline(ac?(*arg)->value.str.val:NULL);
if (! result) {
RETURN_FALSE;
} else {
RETVAL_STRING(result,1);
free(result);
}
}
/* }}} */
/* {{{ proto mixed readline_info([string varname] [, string newvalue])
Gets/sets various internal readline variables. */
#define SAFE_STRING(s) ((s)?(s):"")
PHP_FUNCTION(readline_info)
{
zval **what;
zval **value;
int oldval;
char *oldstr;
int ac = ZEND_NUM_ARGS();
if (ac < 0 || ac > 2 || zend_get_parameters_ex(ac, &what, &value) == FAILURE) {
WRONG_PARAM_COUNT;
}
if (ac == 0) {
array_init(return_value);
add_assoc_string(return_value,"line_buffer",SAFE_STRING(rl_line_buffer),1);
add_assoc_long(return_value,"point",rl_point);
add_assoc_long(return_value,"end",rl_end);
#ifdef HAVE_READLINE
add_assoc_long(return_value,"mark",rl_mark);
add_assoc_long(return_value,"done",rl_done);
add_assoc_long(return_value,"pending_input",rl_pending_input);
add_assoc_string(return_value,"prompt",SAFE_STRING(rl_prompt),1);
add_assoc_string(return_value,"terminal_name",SAFE_STRING(rl_terminal_name),1);
#endif
#if HAVE_ERASE_EMPTY_LINE
add_assoc_long(return_value,"erase_empty_line",rl_erase_empty_line);
#endif
add_assoc_string(return_value,"library_version",SAFE_STRING(rl_library_version),1);
add_assoc_string(return_value,"readline_name",SAFE_STRING(rl_readline_name),1);
} else {
convert_to_string_ex(what);
if (! strcasecmp((*what)->value.str.val,"line_buffer")) {
oldstr = rl_line_buffer;
if (ac == 2) {
/* XXX if (rl_line_buffer) free(rl_line_buffer); */
convert_to_string_ex(value);
rl_line_buffer = strdup((*value)->value.str.val);
}
RETVAL_STRING(SAFE_STRING(oldstr),1);
} else if (! strcasecmp((*what)->value.str.val,"point")) {
RETVAL_LONG(rl_point);
} else if (! strcasecmp((*what)->value.str.val,"end")) {
RETVAL_LONG(rl_end);
#ifdef HAVE_READLINE
} else if (! strcasecmp((*what)->value.str.val,"mark")) {
RETVAL_LONG(rl_mark);
} else if (! strcasecmp((*what)->value.str.val,"done")) {
oldval = rl_done;
if (ac == 2) {
convert_to_long_ex(value);
rl_done = (*value)->value.lval;
}
RETVAL_LONG(oldval);
} else if (! strcasecmp((*what)->value.str.val,"pending_input")) {
oldval = rl_pending_input;
if (ac == 2) {
convert_to_string_ex(value);
rl_pending_input = (*value)->value.str.val[0];
}
RETVAL_LONG(oldval);
} else if (! strcasecmp((*what)->value.str.val,"prompt")) {
RETVAL_STRING(SAFE_STRING(rl_prompt),1);
} else if (! strcasecmp((*what)->value.str.val,"terminal_name")) {
RETVAL_STRING(SAFE_STRING(rl_terminal_name),1);
#endif
#if HAVE_ERASE_EMPTY_LINE
} else if (! strcasecmp((*what)->value.str.val,"erase_empty_line")) {
oldval = rl_erase_empty_line;
if (ac == 2) {
convert_to_long_ex(value);
rl_erase_empty_line = (*value)->value.lval;
}
RETVAL_LONG(oldval);
#endif
} else if (! strcasecmp((*what)->value.str.val,"library_version")) {
RETVAL_STRING(SAFE_STRING(rl_library_version),1);
} else if (! strcasecmp((*what)->value.str.val,"readline_name")) {
oldstr = rl_readline_name;
if (ac == 2) {
/* XXX if (rl_readline_name) free(rl_readline_name); */
convert_to_string_ex(value);
rl_readline_name = strdup((*value)->value.str.val);;
}
RETVAL_STRING(SAFE_STRING(oldstr),1);
}
}
}
/* }}} */
/* {{{ proto void readline_add_history([string prompt])
Adds a line to the history */
PHP_FUNCTION(readline_add_history)
{
pval **arg;
int ac = ZEND_NUM_ARGS();
if (ac < 1 || ac > 1 || zend_get_parameters_ex(ac, &arg) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_string_ex(arg);
add_history((*arg)->value.str.val);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto void readline_clear_history(void)
Clears the history */
PHP_FUNCTION(readline_clear_history)
{
int ac = ZEND_NUM_ARGS();
if (ac < 0 || ac > 0) {
WRONG_PARAM_COUNT;
}
clear_history();
RETURN_TRUE;
}
/* }}} */
/* {{{ proto array readline_list_history(void)
Lists the history */
#ifdef HAVE_READLINE
PHP_FUNCTION(readline_list_history)
{
HIST_ENTRY **history;
int ac = ZEND_NUM_ARGS();
if (ac) {
WRONG_PARAM_COUNT;
}
history = history_list();
array_init(return_value);
if (history) {
int i;
for (i = 0; history[i]; i++) {
add_next_index_string(return_value,history[i]->line,1);
}
}
}
#endif
/* }}} */
/* {{{ proto int readline_read_history([string filename] [, int from] [,int to])
Reads the history */
PHP_FUNCTION(readline_read_history)
{
pval **arg;
char *filename = NULL;
int ac = ZEND_NUM_ARGS();
if (ac < 0 || ac > 1 || zend_get_parameters_ex(ac, &arg) == FAILURE) {
WRONG_PARAM_COUNT;
}
/* XXX from & to NYI */
if (ac == 1) {
convert_to_string_ex(arg);
filename = (*arg)->value.str.val;
}
if (read_history(filename)) {
RETURN_FALSE;
} else {
RETURN_TRUE;
}
}
/* }}} */
/* {{{ proto int readline_write_history([string filename])
Writes the history */
PHP_FUNCTION(readline_write_history)
{
pval **arg;
char *filename = NULL;
int ac = ZEND_NUM_ARGS();
if (ac < 0 || ac > 1 || zend_get_parameters_ex(ac, &arg) == FAILURE) {
WRONG_PARAM_COUNT;
}
if (ac == 1) {
convert_to_string_ex(arg);
filename = (*arg)->value.str.val;
}
if (write_history(filename)) {
RETURN_FALSE;
} else {
RETURN_TRUE;
}
}
/* }}} */
/* {{{ proto void readline_completion_function(string funcname)
Readline completion function? */
char *test[] = { "bleibt", "da", "helfen", "keine", "pillen", "und" , "heissen", "umschlaege","hallo", "pallo", "egon", "thies", "ist", "doof", "tubu", "tata", 0 };
static char *_readline_command_generator(char *text,int state)
{
HashTable *myht = _readline_array.value.ht;
zval **entry;
/*
printf("\n_readline_command_generator(\"%s\",%d)\n",text,state);
*/
if (! state) {
zend_hash_internal_pointer_reset(myht);
}
while (zend_hash_get_current_data(myht, (void **)&entry) == SUCCESS) {
zend_hash_move_forward(myht);
convert_to_string_ex(entry);
if (strncmp ((*entry)->value.str.val, text, strlen(text)) == 0) {
return (strdup((*entry)->value.str.val));
}
}
return NULL;
}
static zval *_readline_string_zval(const char *str)
{
zval *ret;
int len = strlen(str);
MAKE_STD_ZVAL(ret);
ret->type = IS_STRING;
ret->value.str.len = len;
ret->value.str.val = estrndup(str, len);
return ret;
}
static zval *_readline_long_zval(long l)
{
zval *ret;
MAKE_STD_ZVAL(ret);
ret->type = IS_LONG;
ret->value.lval = l;
return ret;
}
static char **_readline_completion_cb(char *text, int start, int end)
{
zval *params[4];
int i;
char **matches = NULL;
CLS_FETCH();
params[0]=_readline_string_zval(_readline_completion);
params[1]=_readline_string_zval(text);
params[2]=_readline_long_zval(start);
params[3]=_readline_long_zval(end);
if (call_user_function(CG(function_table), NULL, params[0], &_readline_array, 3, params+1) == SUCCESS) {
if (_readline_array.type == IS_ARRAY) {
matches = completion_matches(text,_readline_command_generator);
}
}
for (i = 0; i < 4; i++) {
zval_ptr_dtor(&params[i]);
}
zval_dtor(&_readline_array);
return matches;
}
PHP_FUNCTION(readline_completion_function)
{
pval **arg;
int ac = ZEND_NUM_ARGS();
if (ac < 0 || ac > 1 || zend_get_parameters_ex(ac, &arg) == FAILURE) {
WRONG_PARAM_COUNT;
}
if (ac == 1) {
convert_to_string_ex(arg);
if (_readline_completion)
efree(_readline_completion);
_readline_completion = estrdup((*arg)->value.str.val);
rl_attempted_completion_function = _readline_completion_cb;
}
RETURN_TRUE;
}
/* }}} */
#endif /* HAVE_LIBREADLINE */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/