| 1 |
<?php |
| 2 |
/** |
| 3 |
* @package dompdf |
| 4 |
* @link https://github.com/dompdf/dompdf |
| 5 |
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License |
| 6 |
*/ |
| 7 |
namespace Dompdf\FrameReflower; |
| 8 |
|
| 9 |
use Dompdf\Dompdf; |
| 10 |
use Dompdf\Helpers; |
| 11 |
use Dompdf\Frame; |
| 12 |
use Dompdf\Frame\Factory; |
| 13 |
use Dompdf\FrameDecorator\AbstractFrameDecorator; |
| 14 |
use Dompdf\FrameDecorator\Block; |
| 15 |
|
| 16 |
/** |
| 17 |
* Base reflower class |
| 18 |
* |
| 19 |
* Reflower objects are responsible for determining the width and height of |
| 20 |
* individual frames. They also create line and page breaks as necessary. |
| 21 |
* |
| 22 |
* @package dompdf |
| 23 |
*/ |
| 24 |
abstract class AbstractFrameReflower |
| 25 |
{ |
| 26 |
|
| 27 |
/** |
| 28 |
* Frame for this reflower |
| 29 |
* |
| 30 |
* @var AbstractFrameDecorator |
| 31 |
*/ |
| 32 |
protected $_frame; |
| 33 |
|
| 34 |
/** |
| 35 |
* Cached min/max child size |
| 36 |
* |
| 37 |
* @var array |
| 38 |
*/ |
| 39 |
protected $_min_max_child_cache; |
| 40 |
|
| 41 |
/** |
| 42 |
* Cached min/max size |
| 43 |
* |
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* @var array |
| 45 |
*/ |
| 46 |
protected $_min_max_cache; |
| 47 |
|
| 48 |
/** |
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* AbstractFrameReflower constructor. |
| 50 |
* @param AbstractFrameDecorator $frame |
| 51 |
*/ |
| 52 |
function __construct(AbstractFrameDecorator $frame) |
| 53 |
{ |
| 54 |
$this->_frame = $frame; |
| 55 |
$this->_min_max_child_cache = null; |
| 56 |
$this->_min_max_cache = null; |
| 57 |
} |
| 58 |
|
| 59 |
/** |
| 60 |
* @return Dompdf |
| 61 |
*/ |
| 62 |
function get_dompdf() |
| 63 |
{ |
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return $this->_frame->get_dompdf(); |
| 65 |
} |
| 66 |
|
| 67 |
public function reset(): void |
| 68 |
{ |
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$this->_min_max_child_cache = null; |
| 70 |
$this->_min_max_cache = null; |
| 71 |
} |
| 72 |
|
| 73 |
/** |
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* Determine the actual containing block for absolute and fixed position. |
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* |
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* https://www.w3.org/TR/CSS21/visudet.html#containing-block-details |
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*/ |
| 78 |
protected function determine_absolute_containing_block(): void |
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{ |
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$frame = $this->_frame; |
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$style = $frame->get_style(); |
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|
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switch ($style->position) { |
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case "absolute": |
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$parent = $frame->find_positioned_parent(); |
| 86 |
if ($parent !== $frame->get_root()) { |
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$parent_style = $parent->get_style(); |
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$parent_padding_box = $parent->get_padding_box(); |
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//FIXME: an accurate measure of the positioned parent height |
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// is not possible until reflow has completed; |
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// we'll fall back to the parent's containing block, |
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// which is wrong for auto-height parents |
| 93 |
if ($parent_style->height === "auto") { |
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$parent_containing_block = $parent->get_containing_block(); |
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$containing_block_height = $parent_containing_block["h"] - |
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(float)$parent_style->length_in_pt([ |
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$parent_style->margin_top, |
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$parent_style->margin_bottom, |
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$parent_style->border_top_width, |
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$parent_style->border_bottom_width |
| 101 |
], $parent_containing_block["w"]); |
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} else { |
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$containing_block_height = $parent_padding_box["h"]; |
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} |
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$frame->set_containing_block($parent_padding_box["x"], $parent_padding_box["y"], $parent_padding_box["w"], $containing_block_height); |
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break; |
| 107 |
} |
| 108 |
case "fixed": |
| 109 |
$initial_cb = $frame->get_root()->get_first_child()->get_containing_block(); |
| 110 |
$frame->set_containing_block($initial_cb["x"], $initial_cb["y"], $initial_cb["w"], $initial_cb["h"]); |
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break; |
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default: |
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// Nothing to do, containing block already set via parent |
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break; |
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} |
| 116 |
} |
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|
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/** |
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* Collapse frames margins |
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* http://www.w3.org/TR/CSS21/box.html#collapsing-margins |
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*/ |
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protected function _collapse_margins(): void |
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{ |
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$frame = $this->_frame; |
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|
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// Margins of float/absolutely positioned/inline-level elements do not collapse |
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if (!$frame->is_in_flow() || $frame->is_inline_level() |
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|| $frame->get_root() === $frame || $frame->get_parent() === $frame->get_root() |
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) { |
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return; |
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} |
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|
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$cb = $frame->get_containing_block(); |
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$style = $frame->get_style(); |
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|
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$t = $style->length_in_pt($style->margin_top, $cb["w"]); |
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$b = $style->length_in_pt($style->margin_bottom, $cb["w"]); |
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|
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// Handle 'auto' values |
| 140 |
if ($t === "auto") { |
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$style->set_used("margin_top", 0.0); |
| 142 |
$t = 0.0; |
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} |
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|
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if ($b === "auto") { |
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$style->set_used("margin_bottom", 0.0); |
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$b = 0.0; |
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} |
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|
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// Collapse vertical margins: |
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$n = $frame->get_next_sibling(); |
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if ( $n && !($n->is_block_level() && $n->is_in_flow()) ) { |
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while ($n = $n->get_next_sibling()) { |
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if ($n->is_block_level() && $n->is_in_flow()) { |
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break; |
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} |
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|
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if (!$n->get_first_child()) { |
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$n = null; |
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break; |
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} |
| 162 |
} |
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} |
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|
| 165 |
if ($n) { |
| 166 |
$n_style = $n->get_style(); |
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$n_t = (float)$n_style->length_in_pt($n_style->margin_top, $cb["w"]); |
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|
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$b = $this->get_collapsed_margin_length($b, $n_t); |
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$style->set_used("margin_bottom", $b); |
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$n_style->set_used("margin_top", 0.0); |
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} |
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|
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// Collapse our first child's margin, if there is no border or padding |
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if ($style->border_top_width == 0 && $style->length_in_pt($style->padding_top) == 0) { |
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$f = $this->_frame->get_first_child(); |
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if ( $f && !($f->is_block_level() && $f->is_in_flow()) ) { |
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while ($f = $f->get_next_sibling()) { |
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if ($f->is_block_level() && $f->is_in_flow()) { |
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break; |
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} |
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|
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if (!$f->get_first_child()) { |
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$f = null; |
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break; |
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} |
| 187 |
} |
| 188 |
} |
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|
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// Margins are collapsed only between block-level boxes |
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if ($f) { |
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$f_style = $f->get_style(); |
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$f_t = (float)$f_style->length_in_pt($f_style->margin_top, $cb["w"]); |
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|
| 195 |
$t = $this->get_collapsed_margin_length($t, $f_t); |
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$style->set_used("margin_top", $t); |
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$f_style->set_used("margin_top", 0.0); |
| 198 |
} |
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} |
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|
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// Collapse our last child's margin, if there is no border or padding |
| 202 |
if ($style->border_bottom_width == 0 && $style->length_in_pt($style->padding_bottom) == 0) { |
| 203 |
$l = $this->_frame->get_last_child(); |
| 204 |
if ( $l && !($l->is_block_level() && $l->is_in_flow()) ) { |
| 205 |
while ($l = $l->get_prev_sibling()) { |
| 206 |
if ($l->is_block_level() && $l->is_in_flow()) { |
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break; |
| 208 |
} |
| 209 |
|
| 210 |
if (!$l->get_last_child()) { |
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$l = null; |
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break; |
| 213 |
} |
| 214 |
} |
| 215 |
} |
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|
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// Margins are collapsed only between block-level boxes |
| 218 |
if ($l) { |
| 219 |
$l_style = $l->get_style(); |
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$l_b = (float)$l_style->length_in_pt($l_style->margin_bottom, $cb["w"]); |
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|
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$b = $this->get_collapsed_margin_length($b, $l_b); |
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$style->set_used("margin_bottom", $b); |
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$l_style->set_used("margin_bottom", 0.0); |
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} |
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} |
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} |
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|
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/** |
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* Get the combined (collapsed) length of two adjoining margins. |
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* |
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* See http://www.w3.org/TR/CSS21/box.html#collapsing-margins. |
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* |
| 234 |
* @param float $l1 |
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* @param float $l2 |
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* |
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* @return float |
| 238 |
*/ |
| 239 |
private function get_collapsed_margin_length(float $l1, float $l2): float |
| 240 |
{ |
| 241 |
if ($l1 < 0 && $l2 < 0) { |
| 242 |
return min($l1, $l2); // min(x, y) = - max(abs(x), abs(y)), if x < 0 && y < 0 |
| 243 |
} |
| 244 |
|
| 245 |
if ($l1 < 0 || $l2 < 0) { |
| 246 |
return $l1 + $l2; // x + y = x - abs(y), if y < 0 |
| 247 |
} |
| 248 |
|
| 249 |
return max($l1, $l2); |
| 250 |
} |
| 251 |
|
| 252 |
/** |
| 253 |
* Handle relative positioning according to |
| 254 |
* https://www.w3.org/TR/CSS21/visuren.html#relative-positioning. |
| 255 |
* |
| 256 |
* @param AbstractFrameDecorator $frame The frame to handle. |
| 257 |
*/ |
| 258 |
protected function position_relative(AbstractFrameDecorator $frame): void |
| 259 |
{ |
| 260 |
$style = $frame->get_style(); |
| 261 |
|
| 262 |
if ($style->position === "relative") { |
| 263 |
$cb = $frame->get_containing_block(); |
| 264 |
$top = $style->length_in_pt($style->top, $cb["h"]); |
| 265 |
$right = $style->length_in_pt($style->right, $cb["w"]); |
| 266 |
$bottom = $style->length_in_pt($style->bottom, $cb["h"]); |
| 267 |
$left = $style->length_in_pt($style->left, $cb["w"]); |
| 268 |
|
| 269 |
// FIXME RTL case: |
| 270 |
// if ($left !== "auto" && $right !== "auto") $left = -$right; |
| 271 |
if ($left === "auto" && $right === "auto") { |
| 272 |
$left = 0; |
| 273 |
} elseif ($left === "auto") { |
| 274 |
$left = -$right; |
| 275 |
} |
| 276 |
|
| 277 |
if ($top === "auto" && $bottom === "auto") { |
| 278 |
$top = 0; |
| 279 |
} elseif ($top === "auto") { |
| 280 |
$top = -$bottom; |
| 281 |
} |
| 282 |
|
| 283 |
$frame->move($left, $top); |
| 284 |
} |
| 285 |
} |
| 286 |
|
| 287 |
/** |
| 288 |
* @param Block|null $block |
| 289 |
*/ |
| 290 |
abstract function reflow(Block $block = null); |
| 291 |
|
| 292 |
/** |
| 293 |
* Resolve the `min-width` property. |
| 294 |
* |
| 295 |
* Resolves to 0 if not set or if a percentage and the containing-block |
| 296 |
* width is not defined. |
| 297 |
* |
| 298 |
* @param float|null $cbw Width of the containing block. |
| 299 |
* |
| 300 |
* @return float |
| 301 |
*/ |
| 302 |
protected function resolve_min_width(?float $cbw): float |
| 303 |
{ |
| 304 |
$style = $this->_frame->get_style(); |
| 305 |
$min_width = $style->min_width; |
| 306 |
|
| 307 |
return $min_width !== "auto" |
| 308 |
? $style->length_in_pt($min_width, $cbw ?? 0) |
| 309 |
: 0.0; |
| 310 |
} |
| 311 |
|
| 312 |
/** |
| 313 |
* Resolve the `max-width` property. |
| 314 |
* |
| 315 |
* Resolves to `INF` if not set or if a percentage and the containing-block |
| 316 |
* width is not defined. |
| 317 |
* |
| 318 |
* @param float|null $cbw Width of the containing block. |
| 319 |
* |
| 320 |
* @return float |
| 321 |
*/ |
| 322 |
protected function resolve_max_width(?float $cbw): float |
| 323 |
{ |
| 324 |
$style = $this->_frame->get_style(); |
| 325 |
$max_width = $style->max_width; |
| 326 |
|
| 327 |
return $max_width !== "none" |
| 328 |
? $style->length_in_pt($max_width, $cbw ?? INF) |
| 329 |
: INF; |
| 330 |
} |
| 331 |
|
| 332 |
/** |
| 333 |
* Resolve the `min-height` property. |
| 334 |
* |
| 335 |
* Resolves to 0 if not set or if a percentage and the containing-block |
| 336 |
* height is not defined. |
| 337 |
* |
| 338 |
* @param float|null $cbh Height of the containing block. |
| 339 |
* |
| 340 |
* @return float |
| 341 |
*/ |
| 342 |
protected function resolve_min_height(?float $cbh): float |
| 343 |
{ |
| 344 |
$style = $this->_frame->get_style(); |
| 345 |
$min_height = $style->min_height; |
| 346 |
|
| 347 |
return $min_height !== "auto" |
| 348 |
? $style->length_in_pt($min_height, $cbh ?? 0) |
| 349 |
: 0.0; |
| 350 |
} |
| 351 |
|
| 352 |
/** |
| 353 |
* Resolve the `max-height` property. |
| 354 |
* |
| 355 |
* Resolves to `INF` if not set or if a percentage and the containing-block |
| 356 |
* height is not defined. |
| 357 |
* |
| 358 |
* @param float|null $cbh Height of the containing block. |
| 359 |
* |
| 360 |
* @return float |
| 361 |
*/ |
| 362 |
protected function resolve_max_height(?float $cbh): float |
| 363 |
{ |
| 364 |
$style = $this->_frame->get_style(); |
| 365 |
$max_height = $style->max_height; |
| 366 |
|
| 367 |
return $max_height !== "none" |
| 368 |
? $style->length_in_pt($style->max_height, $cbh ?? INF) |
| 369 |
: INF; |
| 370 |
} |
| 371 |
|
| 372 |
/** |
| 373 |
* Get the minimum and maximum preferred width of the contents of the frame, |
| 374 |
* as requested by its children. |
| 375 |
* |
| 376 |
* @return array A two-element array of min and max width. |
| 377 |
*/ |
| 378 |
public function get_min_max_child_width(): array |
| 379 |
{ |
| 380 |
if (!is_null($this->_min_max_child_cache)) { |
| 381 |
return $this->_min_max_child_cache; |
| 382 |
} |
| 383 |
|
| 384 |
$low = []; |
| 385 |
$high = []; |
| 386 |
|
| 387 |
for ($iter = $this->_frame->get_children(); $iter->valid(); $iter->next()) { |
| 388 |
$inline_min = 0; |
| 389 |
$inline_max = 0; |
| 390 |
|
| 391 |
// Add all adjacent inline widths together to calculate max width |
| 392 |
while ($iter->valid() && ($iter->current()->is_inline_level() || $iter->current()->get_style()->display === "-dompdf-image")) { |
| 393 |
/** @var AbstractFrameDecorator */ |
| 394 |
$child = $iter->current(); |
| 395 |
$child->get_reflower()->_set_content(); |
| 396 |
$minmax = $child->get_min_max_width(); |
| 397 |
|
| 398 |
if (in_array($child->get_style()->white_space, ["pre", "nowrap"], true)) { |
| 399 |
$inline_min += $minmax["min"]; |
| 400 |
} else { |
| 401 |
$low[] = $minmax["min"]; |
| 402 |
} |
| 403 |
|
| 404 |
$inline_max += $minmax["max"]; |
| 405 |
$iter->next(); |
| 406 |
} |
| 407 |
|
| 408 |
if ($inline_min > 0) { |
| 409 |
$low[] = $inline_min; |
| 410 |
} |
| 411 |
if ($inline_max > 0) { |
| 412 |
$high[] = $inline_max; |
| 413 |
} |
| 414 |
|
| 415 |
// Skip children with absolute position |
| 416 |
if ($iter->valid() && !$iter->current()->is_absolute()) { |
| 417 |
/** @var AbstractFrameDecorator */ |
| 418 |
$child = $iter->current(); |
| 419 |
$child->get_reflower()->_set_content(); |
| 420 |
list($low[], $high[]) = $child->get_min_max_width(); |
| 421 |
} |
| 422 |
} |
| 423 |
|
| 424 |
$min = count($low) ? max($low) : 0; |
| 425 |
$max = count($high) ? max($high) : 0; |
| 426 |
|
| 427 |
return $this->_min_max_child_cache = [$min, $max]; |
| 428 |
} |
| 429 |
|
| 430 |
/** |
| 431 |
* Get the minimum and maximum preferred content-box width of the frame. |
| 432 |
* |
| 433 |
* @return array A two-element array of min and max width. |
| 434 |
*/ |
| 435 |
public function get_min_max_content_width(): array |
| 436 |
{ |
| 437 |
return $this->get_min_max_child_width(); |
| 438 |
} |
| 439 |
|
| 440 |
/** |
| 441 |
* Get the minimum and maximum preferred border-box width of the frame. |
| 442 |
* |
| 443 |
* Required for shrink-to-fit width calculation, as used in automatic table |
| 444 |
* layout, absolute positioning, float and inline-block. This provides a |
| 445 |
* basic implementation. Child classes should override this or |
| 446 |
* `get_min_max_content_width` as necessary. |
| 447 |
* |
| 448 |
* @return array An array `[0 => min, 1 => max, "min" => min, "max" => max]` |
| 449 |
* of min and max width. |
| 450 |
*/ |
| 451 |
public function get_min_max_width(): array |
| 452 |
{ |
| 453 |
if (!is_null($this->_min_max_cache)) { |
| 454 |
return $this->_min_max_cache; |
| 455 |
} |
| 456 |
|
| 457 |
$style = $this->_frame->get_style(); |
| 458 |
[$min, $max] = $this->get_min_max_content_width(); |
| 459 |
|
| 460 |
// Account for margins, borders, and padding |
| 461 |
$dims = [ |
| 462 |
$style->padding_left, |
| 463 |
$style->padding_right, |
| 464 |
$style->border_left_width, |
| 465 |
$style->border_right_width, |
| 466 |
$style->margin_left, |
| 467 |
$style->margin_right |
| 468 |
]; |
| 469 |
|
| 470 |
// The containing block is not defined yet, treat percentages as 0 |
| 471 |
$delta = (float) $style->length_in_pt($dims, 0); |
| 472 |
$min += $delta; |
| 473 |
$max += $delta; |
| 474 |
|
| 475 |
return $this->_min_max_cache = [$min, $max, "min" => $min, "max" => $max]; |
| 476 |
} |
| 477 |
|
| 478 |
/** |
| 479 |
* Parses a CSS string containing quotes and escaped hex characters |
| 480 |
* |
| 481 |
* @param $string string The CSS string to parse |
| 482 |
* @param $single_trim |
| 483 |
* @return string |
| 484 |
*/ |
| 485 |
protected function _parse_string($string, $single_trim = false) |
| 486 |
{ |
| 487 |
if ($single_trim) { |
| 488 |
$string = preg_replace('/^[\"\']/', "", $string); |
| 489 |
$string = preg_replace('/[\"\']$/', "", $string); |
| 490 |
} else { |
| 491 |
$string = trim($string, "'\""); |
| 492 |
} |
| 493 |
|
| 494 |
$string = str_replace(["\\\n", '\\"', "\\'"], |
| 495 |
["", '"', "'"], $string); |
| 496 |
|
| 497 |
// Convert escaped hex characters into ascii characters (e.g. \A => newline) |
| 498 |
$string = preg_replace_callback("/\\\\([0-9a-fA-F]{0,6})/", |
| 499 |
function ($matches) { return \Dompdf\Helpers::unichr(hexdec($matches[1])); }, |
| 500 |
$string); |
| 501 |
return $string; |
| 502 |
} |
| 503 |
|
| 504 |
/** |
| 505 |
* Parses a CSS "quotes" property |
| 506 |
* |
| 507 |
* https://www.w3.org/TR/css-content-3/#quotes |
| 508 |
* |
| 509 |
* @return array An array of pairs of quotes |
| 510 |
*/ |
| 511 |
protected function _parse_quotes(): array |
| 512 |
{ |
| 513 |
$quotes = $this->_frame->get_style()->quotes; |
| 514 |
|
| 515 |
if ($quotes === "none") { |
| 516 |
return []; |
| 517 |
} |
| 518 |
|
| 519 |
if ($quotes === "auto") { |
| 520 |
// TODO: Use typographically appropriate quotes for the current |
| 521 |
// language here |
| 522 |
return [['"', '"'], ["'", "'"]]; |
| 523 |
} |
| 524 |
|
| 525 |
// Matches quote types |
| 526 |
$re = '/(\'[^\']*\')|(\"[^\"]*\")/'; |
| 527 |
|
| 528 |
// Split on spaces, except within quotes |
| 529 |
if (!preg_match_all($re, $quotes, $matches, PREG_SET_ORDER)) { |
| 530 |
return []; |
| 531 |
} |
| 532 |
|
| 533 |
$quotes_array = []; |
| 534 |
foreach ($matches as $_quote) { |
| 535 |
$quotes_array[] = $this->_parse_string($_quote[0], true); |
| 536 |
} |
| 537 |
|
| 538 |
return array_chunk($quotes_array, 2); |
| 539 |
} |
| 540 |
|
| 541 |
/** |
| 542 |
* Parses the CSS "content" property |
| 543 |
* |
| 544 |
* https://www.w3.org/TR/CSS21/generate.html#content |
| 545 |
* |
| 546 |
* @return string The resulting string |
| 547 |
*/ |
| 548 |
protected function _parse_content(): string |
| 549 |
{ |
| 550 |
$style = $this->_frame->get_style(); |
| 551 |
$content = $style->content; |
| 552 |
|
| 553 |
if ($content === "normal" || $content === "none") { |
| 554 |
return ""; |
| 555 |
} |
| 556 |
|
| 557 |
$quotes = $this->_parse_quotes(); |
| 558 |
$text = ""; |
| 559 |
|
| 560 |
foreach ($content as $val) { |
| 561 |
// String |
| 562 |
if (in_array(mb_substr($val, 0, 1), ['"', "'"], true)) { |
| 563 |
$text .= $this->_parse_string($val); |
| 564 |
continue; |
| 565 |
} |
| 566 |
|
| 567 |
$val = mb_strtolower($val); |
| 568 |
|
| 569 |
// Keywords |
| 570 |
if ($val === "open-quote") { |
| 571 |
// FIXME: Take quotation depth into account |
| 572 |
if (isset($quotes[0][0])) { |
| 573 |
$text .= $quotes[0][0]; |
| 574 |
} |
| 575 |
continue; |
| 576 |
} elseif ($val === "close-quote") { |
| 577 |
// FIXME: Take quotation depth into account |
| 578 |
if (isset($quotes[0][1])) { |
| 579 |
$text .= $quotes[0][1]; |
| 580 |
} |
| 581 |
continue; |
| 582 |
} elseif ($val === "no-open-quote") { |
| 583 |
// FIXME: Increment quotation depth |
| 584 |
continue; |
| 585 |
} elseif ($val === "no-close-quote") { |
| 586 |
// FIXME: Decrement quotation depth |
| 587 |
continue; |
| 588 |
} |
| 589 |
|
| 590 |
// attr() |
| 591 |
if (mb_substr($val, 0, 5) === "attr(") { |
| 592 |
$i = mb_strpos($val, ")"); |
| 593 |
if ($i === false) { |
| 594 |
continue; |
| 595 |
} |
| 596 |
|
| 597 |
$attr = trim(mb_substr($val, 5, $i - 5)); |
| 598 |
if ($attr === "") { |
| 599 |
continue; |
| 600 |
} |
| 601 |
|
| 602 |
$text .= $this->_frame->get_parent()->get_node()->getAttribute($attr); |
| 603 |
continue; |
| 604 |
} |
| 605 |
|
| 606 |
// counter()/counters() |
| 607 |
if (mb_substr($val, 0, 7) === "counter") { |
| 608 |
// Handle counter() references: |
| 609 |
// http://www.w3.org/TR/CSS21/generate.html#content |
| 610 |
|
| 611 |
$i = mb_strpos($val, ")"); |
| 612 |
if ($i === false) { |
| 613 |
continue; |
| 614 |
} |
| 615 |
|
| 616 |
preg_match('/(counters?)(^\()*?\(\s*([^\s,]+)\s*(,\s*["\']?([^"\'\)]*)["\']?\s*(,\s*([^\s)]+)\s*)?)?\)/i', $val, $args); |
| 617 |
$counter_id = $args[3]; |
| 618 |
|
| 619 |
if (strtolower($args[1]) === "counter") { |
| 620 |
// counter(name [,style]) |
| 621 |
if (isset($args[5])) { |
| 622 |
$type = trim($args[5]); |
| 623 |
} else { |
| 624 |
$type = "decimal"; |
| 625 |
} |
| 626 |
$p = $this->_frame->lookup_counter_frame($counter_id); |
| 627 |
|
| 628 |
$text .= $p->counter_value($counter_id, $type); |
| 629 |
} elseif (strtolower($args[1]) === "counters") { |
| 630 |
// counters(name, string [,style]) |
| 631 |
if (isset($args[5])) { |
| 632 |
$string = $this->_parse_string($args[5]); |
| 633 |
} else { |
| 634 |
$string = ""; |
| 635 |
} |
| 636 |
|
| 637 |
if (isset($args[7])) { |
| 638 |
$type = trim($args[7]); |
| 639 |
} else { |
| 640 |
$type = "decimal"; |
| 641 |
} |
| 642 |
|
| 643 |
$p = $this->_frame->lookup_counter_frame($counter_id); |
| 644 |
$tmp = []; |
| 645 |
while ($p) { |
| 646 |
// We only want to use the counter values when they actually increment the counter |
| 647 |
if (array_key_exists($counter_id, $p->_counters)) { |
| 648 |
array_unshift($tmp, $p->counter_value($counter_id, $type)); |
| 649 |
} |
| 650 |
$p = $p->lookup_counter_frame($counter_id); |
| 651 |
} |
| 652 |
$text .= implode($string, $tmp); |
| 653 |
} else { |
| 654 |
// countertops? |
| 655 |
} |
| 656 |
|
| 657 |
continue; |
| 658 |
} |
| 659 |
} |
| 660 |
|
| 661 |
return $text; |
| 662 |
} |
| 663 |
|
| 664 |
/** |
| 665 |
* Handle counters and set generated content if the frame is a |
| 666 |
* generated-content frame. |
| 667 |
*/ |
| 668 |
protected function _set_content(): void |
| 669 |
{ |
| 670 |
$frame = $this->_frame; |
| 671 |
|
| 672 |
if ($frame->content_set) { |
| 673 |
return; |
| 674 |
} |
| 675 |
|
| 676 |
$style = $frame->get_style(); |
| 677 |
|
| 678 |
if (($reset = $style->counter_reset) !== "none") { |
| 679 |
$frame->reset_counters($reset); |
| 680 |
} |
| 681 |
|
| 682 |
if (($increment = $style->counter_increment) !== "none") { |
| 683 |
$frame->increment_counters($increment); |
| 684 |
} |
| 685 |
|
| 686 |
if ($frame->get_node()->nodeName === "dompdf_generated") { |
| 687 |
$content = $this->_parse_content(); |
| 688 |
|
| 689 |
if ($content !== "") { |
| 690 |
$node = $frame->get_node()->ownerDocument->createTextNode($content); |
| 691 |
|
| 692 |
$new_style = $style->get_stylesheet()->create_style(); |
| 693 |
$new_style->inherit($style); |
| 694 |
|
| 695 |
$new_frame = new Frame($node); |
| 696 |
$new_frame->set_style($new_style); |
| 697 |
|
| 698 |
Factory::decorate_frame($new_frame, $frame->get_dompdf(), $frame->get_root()); |
| 699 |
$frame->append_child($new_frame); |
| 700 |
} |
| 701 |
} |
| 702 |
|
| 703 |
$frame->content_set = true; |
| 704 |
} |
| 705 |
} |
| 706 |
|
