mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-08-26 20:45:47 +02:00
128 lines
2.9 KiB
PHP
128 lines
2.9 KiB
PHP
<?php
|
|
|
|
class PHPBuilder {
|
|
|
|
static function build () {
|
|
return new PHPBuilder() ;
|
|
}
|
|
|
|
function __construct() {
|
|
$this->lines = array() ;
|
|
}
|
|
|
|
function l() {
|
|
foreach ( func_get_args() as $lines ) {
|
|
if ( !$lines ) continue ;
|
|
|
|
if ( is_string( $lines ) ) $lines = preg_split( '/\r\n|\r|\n/', $lines ) ;
|
|
if ( !$lines ) continue ;
|
|
|
|
if ( $lines instanceof PHPBuilder ) $lines = $lines->lines ;
|
|
else $lines = array_map( 'ltrim', $lines ) ;
|
|
if ( !$lines ) continue ;
|
|
|
|
$this->lines = array_merge( $this->lines, $lines ) ;
|
|
}
|
|
return $this ;
|
|
}
|
|
|
|
function b() {
|
|
$args = func_get_args() ;
|
|
$entry = array_shift( $args ) ;
|
|
|
|
$block = new PHPBuilder() ;
|
|
call_user_func_array( array( $block, 'l' ), $args ) ;
|
|
|
|
$this->lines[] = array( $entry, $block->lines ) ;
|
|
|
|
return $this ;
|
|
}
|
|
|
|
function replace( $replacements, &$array = NULL ) {
|
|
if ( $array === NULL ) {
|
|
unset( $array ) ;
|
|
$array =& $this->lines ;
|
|
}
|
|
|
|
$i = 0 ;
|
|
while ( $i < count( $array ) ) {
|
|
|
|
/* Recurse into blocks */
|
|
if ( is_array( $array[$i] ) ) {
|
|
$this->replace( $replacements, $array[$i][1] ) ;
|
|
|
|
if ( count( $array[$i][1] ) == 0 ) {
|
|
$nextelse = isset( $array[$i+1] ) && is_array( $array[$i+1] ) && preg_match( '/^\s*else\s*$/i', $array[$i+1][0] ) ;
|
|
|
|
$delete = preg_match( '/^\s*else\s*$/i', $array[$i][0] ) ;
|
|
$delete = $delete || ( preg_match( '/^\s*if\s*\(/i', $array[$i][0] ) && !$nextelse ) ;
|
|
|
|
if ( $delete ) {
|
|
// Is this always safe? Not if the expression has side-effects.
|
|
// print "/* REMOVING EMPTY BLOCK: " . $array[$i][0] . "*/\n" ;
|
|
array_splice( $array, $i, 1 ) ;
|
|
continue ;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Handle replacing lines with NULL to remove, or string, array of strings or PHPBuilder to replace */
|
|
else {
|
|
if ( array_key_exists( $array[$i], $replacements ) ) {
|
|
$rep = $replacements[$array[$i]] ;
|
|
|
|
if ( $rep === NULL ) {
|
|
array_splice( $array, $i, 1 ) ;
|
|
continue ;
|
|
}
|
|
|
|
if ( is_string( $rep ) ) {
|
|
$array[$i] = $rep ;
|
|
$i++ ;
|
|
continue ;
|
|
}
|
|
|
|
if ( $rep instanceof PHPBuilder ) $rep = $rep->lines ;
|
|
|
|
if ( is_array( $rep ) ) {
|
|
array_splice( $array, $i, 1, $rep ) ; $i += count( $rep ) + 1 ;
|
|
continue ;
|
|
}
|
|
|
|
throw 'Unknown type passed to PHPBuilder#replace' ;
|
|
}
|
|
}
|
|
|
|
$i++ ;
|
|
}
|
|
|
|
return $this ;
|
|
}
|
|
|
|
function render( $array = NULL, $indent = "" ) {
|
|
if ( $array === NULL ) $array = $this->lines ;
|
|
|
|
$out = array() ;
|
|
foreach( $array as $line ) {
|
|
if ( is_array( $line ) ) {
|
|
list( $entry, $block ) = $line ;
|
|
$str = $this->render( $block, $indent . "\t" ) ;
|
|
|
|
if ( strlen( $str ) < 40 ) {
|
|
$out[] = $indent . $entry . ' { ' . ltrim( $str ) . ' }' ;
|
|
}
|
|
else {
|
|
$out[] = $indent . $entry . ' {' ;
|
|
$out[] = $str ;
|
|
$out[] = $indent . '}' ;
|
|
}
|
|
}
|
|
else {
|
|
$out[] = $indent . $line ;
|
|
}
|
|
}
|
|
|
|
return implode( PHP_EOL, $out ) ;
|
|
}
|
|
}
|