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<?php
namespace Safe;
use Safe\Exceptions\ReadlineException;
/**
* This function adds a line to the command line history.
*
* @param string $prompt The line to be added in the history.
* @throws ReadlineException
*
*/
function readline_add_history(string $prompt): void
{
error_clear_last();
$result = \readline_add_history($prompt);
if ($result === false) {
throw ReadlineException::createFromPhpError();
}
}
/**
* Sets up a readline callback interface then prints
* prompt and immediately returns.
* Calling this function twice without removing the previous
* callback interface will automatically and conveniently overwrite the old
* interface.
*
* The callback feature is useful when combined with
* stream_select as it allows interleaving of IO and
* user input, unlike readline.
*
* @param string $prompt The prompt message.
* @param callable $callback The callback function takes one parameter; the
* user input returned.
* @throws ReadlineException
*
*/
function readline_callback_handler_install(string $prompt, callable $callback): void
{
error_clear_last();
$result = \readline_callback_handler_install($prompt, $callback);
if ($result === false) {
throw ReadlineException::createFromPhpError();
}
}
/**
* This function clears the entire command line history.
*
* @throws ReadlineException
*
*/
function readline_clear_history(): void
{
error_clear_last();
$result = \readline_clear_history();
if ($result === false) {
throw ReadlineException::createFromPhpError();
}
}
/**
* This function registers a completion function. This is the same kind of
* functionality you'd get if you hit your tab key while using Bash.
*
* @param callable $callback You must supply the name of an existing function which accepts a
* partial command line and returns an array of possible matches.
* @throws ReadlineException
*
*/
function readline_completion_function(callable $callback): void
{
error_clear_last();
$result = \readline_completion_function($callback);
if ($result === false) {
throw ReadlineException::createFromPhpError();
}
}
/**
* This function reads a command history from a file.
*
* @param string $filename Path to the filename containing the command history.
* @throws ReadlineException
*
*/
function readline_read_history(string $filename = null): void
{
error_clear_last();
if ($filename !== null) {
$result = \readline_read_history($filename);
} else {
$result = \readline_read_history();
}
if ($result === false) {
throw ReadlineException::createFromPhpError();
}
}
/**
* This function writes the command history to a file.
*
* @param string $filename Path to the saved file.
* @throws ReadlineException
*
*/
function readline_write_history(string $filename = null): void
{
error_clear_last();
if ($filename !== null) {
$result = \readline_write_history($filename);
} else {
$result = \readline_write_history();
}
if ($result === false) {
throw ReadlineException::createFromPhpError();
}
}
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