blob: bd2c4d213645b4f60b869ddd6acb1883f367ebe8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
<?php
/**
* SCSSPHP
*
* @copyright 2012-2015 Leaf Corcoran
*
* @license http://opensource.org/licenses/MIT MIT
*
* @link http://leafo.github.io/scssphp
*/
namespace Leafo\ScssPhp\Formatter;
use Leafo\ScssPhp\Formatter;
/**
* SCSS nested formatter
*
* @author Leaf Corcoran <leafot@gmail.com>
*/
class Nested extends Formatter
{
/**
* {@inheritdoc}
*/
public function __construct()
{
$this->indentLevel = 0;
$this->indentChar = ' ';
$this->break = "\n";
$this->open = ' {';
$this->close = ' }';
$this->tagSeparator = ', ';
$this->assignSeparator = ': ';
}
/**
* Adjust the depths of all children, depth first
*
* @param \stdClass $block
*/
public function adjustAllChildren($block)
{
// flatten empty nested blocks
$children = array();
foreach ($block->children as $i => $child) {
if (empty($child->lines) && empty($child->children)) {
if (isset($block->children[$i + 1])) {
$block->children[$i + 1]->depth = $child->depth;
}
continue;
}
$children[] = $child;
}
$count = count($children);
for ($i = 0; $i < $count; $i++) {
$depth = $children[$i]->depth;
$j = $i + 1;
if (isset($children[$j]) && $depth < $children[$j]->depth) {
$childDepth = $children[$j]->depth;
for (; $j < $count; $j++) {
if ($depth < $children[$j]->depth && $childDepth >= $children[$j]->depth) {
$children[$j]->depth = $depth + 1;
}
}
}
}
$block->children = $children;
// make relative to parent
foreach ($block->children as $child) {
$this->adjustAllChildren($child);
$child->depth = $child->depth - $block->depth;
}
}
/**
* {@inheritdoc}
*/
protected function blockLines($inner, $block)
{
$glue = $this->break . $inner;
foreach ($block->lines as $index => $line) {
if (substr($line, 0, 2) === '/*') {
$block->lines[$index] = preg_replace('/(\r|\n)+/', $glue, $line);
}
}
echo $inner . implode($glue, $block->lines);
if (! empty($block->children)) {
echo $this->break;
}
}
/**
* {@inheritdoc}
*/
protected function block($block)
{
if ($block->type === 'root') {
$this->adjustAllChildren($block);
}
$inner = $pre = $this->indentStr($block->depth - 1);
if (! empty($block->selectors)) {
echo $pre .
implode($this->tagSeparator, $block->selectors) .
$this->open . $this->break;
$this->indentLevel++;
$inner = $this->indentStr($block->depth - 1);
}
if (! empty($block->lines)) {
$this->blockLines($inner, $block);
}
foreach ($block->children as $i => $child) {
$this->block($child);
if ($i < count($block->children) - 1) {
echo $this->break;
if (isset($block->children[$i + 1])) {
$next = $block->children[$i + 1];
if ($next->depth === max($block->depth, 1) && $child->depth >= $next->depth) {
echo $this->break;
}
}
}
}
if (! empty($block->selectors)) {
$this->indentLevel--;
echo $this->close;
}
if ($block->type === 'root') {
echo $this->break;
}
}
}
|