| 1 |
<?php |
| 2 |
/** |
| 3 |
* Command Parser Trait — tokenise a WP-CLI command string and decode |
| 4 |
* WP-CLI JSON stdout. |
| 5 |
* |
| 6 |
* Extracted from RunWpCli. The tokeniser is a pure function on a string |
| 7 |
* with no WordPress dependencies; the JSON-decode helper depends only |
| 8 |
* on the shared Response class. |
| 9 |
* |
| 10 |
* `parse_flags` is intentionally NOT in this trait — it is consumed only |
| 11 |
* by `dispatch_native` and stays alongside the dispatcher. |
| 12 |
* |
| 13 |
* @package zip-ai |
| 14 |
*/ |
| 15 |
|
| 16 |
namespace ZipAI\MCP\Classes\Abilities\Core; |
| 17 |
|
| 18 |
defined( 'ABSPATH' ) || exit; |
| 19 |
|
| 20 |
use ZipAI\MCP\Classes\Core\Response; |
| 21 |
|
| 22 |
/** |
| 23 |
* Trait holding `parse_command_to_args` and `parse_output`. |
| 24 |
*/ |
| 25 |
trait Command_Parser_Trait { |
| 26 |
|
| 27 |
/** |
| 28 |
* Tokenise a WP-CLI command string into argv-style tokens. |
| 29 |
* |
| 30 |
* Handles single-quoted, double-quoted, and unquoted tokens. Returns |
| 31 |
* WP_Error if the string contains unclosed quotes. |
| 32 |
* |
| 33 |
* @param string $command Command string without leading "wp". |
| 34 |
* @return string[]|\WP_Error |
| 35 |
*/ |
| 36 |
private function parse_command_to_args( string $command ) { |
| 37 |
$args = array(); |
| 38 |
$token = ''; |
| 39 |
$in_sq = false; |
| 40 |
$in_dq = false; |
| 41 |
$has_token = false; |
| 42 |
$len = strlen( $command ); |
| 43 |
|
| 44 |
for ( $i = 0; $i < $len; $i++ ) { |
| 45 |
$ch = $command[ $i ]; |
| 46 |
|
| 47 |
if ( $in_sq ) { |
| 48 |
if ( "'" === $ch ) { |
| 49 |
// POSIX '\'' concat trick — let a literal single quote through. |
| 50 |
if ( $i + 3 < $len |
| 51 |
&& '\\' === $command[ $i + 1 ] |
| 52 |
&& "'" === $command[ $i + 2 ] |
| 53 |
&& "'" === $command[ $i + 3 ] |
| 54 |
) { |
| 55 |
$token .= "'"; |
| 56 |
$i += 3; |
| 57 |
continue; |
| 58 |
} |
| 59 |
$in_sq = false; |
| 60 |
} else { |
| 61 |
$token .= $ch; |
| 62 |
} |
| 63 |
continue; |
| 64 |
} |
| 65 |
|
| 66 |
if ( $in_dq ) { |
| 67 |
if ( '"' === $ch ) { |
| 68 |
$in_dq = false; |
| 69 |
} elseif ( '\\' === $ch && $i + 1 < $len ) { |
| 70 |
$next = $command[ $i + 1 ]; |
| 71 |
if ( '"' === $next || '\\' === $next ) { |
| 72 |
$token .= $next; |
| 73 |
++$i; |
| 74 |
} else { |
| 75 |
$token .= $ch; |
| 76 |
} |
| 77 |
} else { |
| 78 |
$token .= $ch; |
| 79 |
} |
| 80 |
continue; |
| 81 |
} |
| 82 |
|
| 83 |
if ( "'" === $ch ) { |
| 84 |
$in_sq = true; |
| 85 |
$has_token = true; |
| 86 |
continue; |
| 87 |
} |
| 88 |
if ( '"' === $ch ) { |
| 89 |
$in_dq = true; |
| 90 |
$has_token = true; |
| 91 |
continue; |
| 92 |
} |
| 93 |
if ( ' ' === $ch || "\t" === $ch ) { |
| 94 |
if ( $has_token || '' !== $token ) { |
| 95 |
$args[] = $token; |
| 96 |
$token = ''; |
| 97 |
$has_token = false; |
| 98 |
} |
| 99 |
continue; |
| 100 |
} |
| 101 |
|
| 102 |
$token .= $ch; |
| 103 |
$has_token = true; |
| 104 |
} |
| 105 |
|
| 106 |
if ( $in_sq || $in_dq ) { |
| 107 |
return new \WP_Error( 'unclosed_quote', 'Command contains an unclosed quote.' ); |
| 108 |
} |
| 109 |
|
| 110 |
if ( $has_token || '' !== $token ) { |
| 111 |
$args[] = $token; |
| 112 |
} |
| 113 |
|
| 114 |
return $args; |
| 115 |
} |
| 116 |
|
| 117 |
/** |
| 118 |
* Attempt to JSON-decode stdout from WP-CLI; fall back to the raw string. |
| 119 |
* |
| 120 |
* @param string $raw Raw stdout. |
| 121 |
* @return array<string,mixed> Response data. |
| 122 |
*/ |
| 123 |
private function parse_output( string $raw ): array { |
| 124 |
if ( '' === $raw ) { |
| 125 |
return Response::success( '' ); |
| 126 |
} |
| 127 |
$decoded = json_decode( $raw, true ); |
| 128 |
return JSON_ERROR_NONE === json_last_error() ? Response::success( $decoded ) : Response::success( $raw ); |
| 129 |
} |
| 130 |
} |
| 131 |
|