ArcanistRefView.php
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	<?php

	final class ArcanistRefView
	extends Phobject
	implements
	ArcanistTerminalStringInterface {

	private $objectName;
	private $title;
	private $ref;
	private $uri;
	private $lines = array();
	private $children = array();

	public function setRef(ArcanistRef $ref) {
	$this->ref = $ref;
	return $this;
	}

	public function getRef() {
	return $this->ref;
	}

	public function setObjectName($object_name) {
	$this->objectName = $object_name;
	return $this;
	}

	public function getObjectName() {
	return $this->objectName;
	}

	public function setTitle($title) {
	$this->title = $title;
	return $this;
	}

	public function getTitle() {
	return $this->title;
	}

	public function setURI($uri) {
	$this->uri = $uri;
	return $this;
	}

	public function getURI() {
	return $this->uri;
	}

	public function addChild(ArcanistRefView $view) {
	$this->children[] = $view;
	return $this;
	}

	private function getChildren() {
	return $this->children;
	}

	public function appendLine($line) {
	$this->lines[] = $line;
	return $this;
	}

	public function newTerminalString() {
	return $this->newLines(0);
	}

	private function newLines($indent) {
	$ref = $this->getRef();

	$object_name = $this->getObjectName();
	$title = $this->getTitle();

	if ($object_name !== null) {
	$reserve_width = phutil_utf8_console_strlen($object_name) + 1;
	} else {
	$reserve_width = 0;
	}

	if ($indent) {
	$indent_text = str_repeat(' ', $indent);
	} else {
	$indent_text = '';
	}
	$indent_width = strlen($indent_text);

	$marker_width = 6;
	$display_width = phutil_console_get_terminal_width();

	$usable_width = ($display_width - $marker_width - $reserve_width);
	$usable_width = ($usable_width - $indent_width);

	// If the terminal is extremely narrow, don't degrade so much that the
	// output is completely unusable.
	$usable_width = max($usable_width, 16);

	// TODO: This should truncate based on console display width, not
	// glyphs, but there's currently no "setMaximumConsoleCharacterWidth()".

	$title = id(new PhutilUTF8StringTruncator())
	->setMaximumGlyphs($usable_width)
	->truncateString($title);

	if ($object_name !== null) {
	if (strlen($title)) {
	$display_text = tsprintf('%s %s', $object_name, $title);
	} else {
	$display_text = tsprintf('%s', $object_name);
	}
	} else {
	$display_text = $title;
	}

	$output = array();

	$output[] = tsprintf(
	"<bg:cyan>** * **</bg> %s%s\n",
	$indent_text,
	$display_text);

	$uri = $this->getURI();
	if ($uri !== null) {
	$output[] = tsprintf(
	"<bg:cyan> :// </bg> %s__%s__\n",
	$indent_text,
	$uri);
	}

	foreach ($this->lines as $line) {
	$output[] = tsprintf(
	" %s%s\n",
	$indent_text,
	$line);
	}

	foreach ($this->getChildren() as $child) {
	foreach ($child->newLines($indent + 1) as $line) {
	$output[] = $line;
	}
	}

	return $output;
	}

	}

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