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format.php
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<?php
function
phutil_console_format
(
$format
/* ... */
)
{
$args
=
func_get_args
(
)
;
return
call_user_func_array
(
array
(
'PhutilConsoleFormatter'
,
'formatString'
)
,
$args
)
;
}
function
phutil_console_confirm
(
$prompt
,
$default_no
=
true
)
{
$prompt_options
=
$default_no
?
'[y/N]'
:
'[Y/n]'
;
do
{
$response
=
phutil_console_prompt
(
$prompt
.
' '
.
$prompt_options
)
;
$c
=
trim
(
strtolower
(
$response
)
)
;
}
while
(
$c
!=
'y'
&&
$c
!=
'n'
&&
$c
!=
''
)
;
echo
"\n"
;
if
(
$default_no
)
{
return
(
$c
==
'y'
)
;
}
else
{
return
(
$c
!=
'n'
)
;
}
}
function
phutil_console_select
(
$prompt
,
$min
,
$max
)
{
$select_options
=
'['
.
$min
.
' - '
.
$max
.
']'
;
do
{
$response
=
phutil_console_prompt
(
$prompt
.
' '
.
$select_options
)
;
$selection
=
trim
(
$response
)
;
if
(
preg_match
(
'/^\d+\z/'
,
$selection
)
)
{
$selection
=
(int)
$selection
;
if
(
$selection
>=
$min
&&
$selection
<=
$max
)
{
return
$selection
;
}
}
}
while
(
true
)
;
}
function
phutil_console_prompt
(
$prompt
,
$history
=
''
)
{
echo
"\n\n"
;
$prompt
=
phutil_console_wrap
(
$prompt
.
' '
,
4
)
;
try
{
phutil_console_require_tty
(
)
;
}
catch
(
PhutilConsoleStdinNotInteractiveException
$ex
)
{
// Throw after echoing the prompt so the user has some idea what happened.
echo
$prompt
;
throw
$ex
;
}
// `escapeshellarg` makes double quotes in the command below disappear on
// Windows, which breaks prompts when using history. See T6348
$use_history
=
!
phutil_is_windows
(
)
;
if
(
$history
==
''
)
{
$use_history
=
false
;
}
else
{
// Test if bash is available by seeing if it can run `true`.
list
(
$err
)
=
exec_manual
(
'bash -c %s'
,
'true'
)
;
if
(
$err
)
{
$use_history
=
false
;
}
}
if
(
!
$use_history
)
{
echo
$prompt
;
$response
=
fgets
(
STDIN
)
;
}
else
{
// There's around 0% chance that readline() is available directly in PHP,
// so we're using bash/read/history instead.
$command
=
csprintf
(
'bash -c %s'
,
csprintf
(
'history -r %s 2>/dev/null; '
.
'read -e -p %s; '
.
'echo "$REPLY"; '
.
'history -s "$REPLY" 2>/dev/null; '
.
'history -w %s 2>/dev/null'
,
$history
,
$prompt
,
$history
)
)
;
// execx() doesn't work with input, phutil_passthru() doesn't return output.
$response
=
shell_exec
(
$command
)
;
}
return
rtrim
(
$response
,
"\r\n"
)
;
}
/**
* Soft wrap text for display on a console, respecting UTF8 character boundaries
* and ANSI color escape sequences.
*
* @param string Text to wrap.
* @param int Optional indent level.
* @param bool True to also indent the first line.
* @return string Wrapped text.
*/
function
phutil_console_wrap
(
$text
,
$indent
=
0
,
$with_prefix
=
true
)
{
$lines
=
array
(
)
;
$width
=
(
78
-
$indent
)
;
$esc
=
chr
(
27
)
;
$break_pos
=
null
;
$len_after_break
=
0
;
$line_len
=
0
;
$line
=
array
(
)
;
$lines
=
array
(
)
;
$vector
=
phutil_utf8v
(
$text
)
;
$vector_len
=
count
(
$vector
)
;
for
(
$ii
=
0
;
$ii
<
$vector_len
;
$ii
++
)
{
$chr
=
$vector
[
$ii
]
;
// If this is an ANSI escape sequence for a color code, just consume it
// without counting it toward the character limit. This prevents lines
// with bold/color on them from wrapping too early.
if
(
$chr
==
$esc
)
{
for
(
$ii
;
$ii
<
$vector_len
;
$ii
++
)
{
$line
[
]
=
$vector
[
$ii
]
;
if
(
$vector
[
$ii
]
==
'm'
)
{
break
;
}
}
continue
;
}
$line
[
]
=
$chr
;
++
$line_len
;
++
$len_after_break
;
if
(
$line_len
>
$width
)
{
if
(
$break_pos
!==
null
)
{
$slice
=
array_slice
(
$line
,
0
,
$break_pos
)
;
while
(
count
(
$slice
)
&&
end
(
$slice
)
==
' '
)
{
array_pop
(
$slice
)
;
}
$slice
[
]
=
"\n"
;
$lines
[
]
=
$slice
;
$line
=
array_slice
(
$line
,
$break_pos
)
;
$line_len
=
$len_after_break
;
$len_after_break
=
0
;
$break_pos
=
null
;
}
}
if
(
$chr
==
' '
)
{
$break_pos
=
count
(
$line
)
;
$len_after_break
=
0
;
}
if
(
$chr
==
"\n"
)
{
$lines
[
]
=
$line
;
$line
=
array
(
)
;
$len_after_break
=
0
;
$line_len
=
0
;
$break_pos
=
null
;
}
}
if
(
$line
)
{
if
(
$line
)
{
$lines
[
]
=
$line
;
}
}
$pre
=
null
;
if
(
$indent
)
{
$pre
=
str_repeat
(
' '
,
$indent
)
;
}
foreach
(
$lines
as
$idx
=>
$line
)
{
if
(
$idx
==
0
&&
!
$with_prefix
)
{
$prefix
=
null
;
}
else
{
$prefix
=
$pre
;
}
$lines
[
$idx
]
=
$prefix
.
implode
(
''
,
$line
)
;
}
return
implode
(
''
,
$lines
)
;
}
function
phutil_console_require_tty
(
)
{
if
(
function_exists
(
'posix_isatty'
)
&&
!
posix_isatty
(
STDIN
)
)
{
throw
new
PhutilConsoleStdinNotInteractiveException
(
)
;
}
}
/**
* Determine the width of the terminal, if possible. Returns `null` on failure.
*
* @return int|null Terminal width in characters, or null on failure.
*/
function
phutil_console_get_terminal_width
(
)
{
return
PhutilConsoleMetrics
::
getDefaultConsole
(
)
->
getTerminalWidth
(
)
;
}
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