PhabricatorSourceCodeView.php
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PhabricatorSourceCodeView.php
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	<?php

	final class PhabricatorSourceCodeView extends AphrontView {

	private $lines;
	private $uri;
	private $highlights = array();
	private $canClickHighlight = true;
	private $truncatedFirstBytes = false;
	private $truncatedFirstLines = false;
	private $symbolMetadata;
	private $blameMap;
	private $coverage = array();

	public function setLines(array $lines) {
	$this->lines = $lines;
	return $this;
	}

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

	public function setHighlights(array $array) {
	$this->highlights = array_fuse($array);
	return $this;
	}

	public function disableHighlightOnClick() {
	$this->canClickHighlight = false;
	return $this;
	}

	public function setTruncatedFirstBytes($truncated_first_bytes) {
	$this->truncatedFirstBytes = $truncated_first_bytes;
	return $this;
	}

	public function setTruncatedFirstLines($truncated_first_lines) {
	$this->truncatedFirstLines = $truncated_first_lines;
	return $this;
	}

	public function setSymbolMetadata(array $symbol_metadata) {
	$this->symbolMetadata = $symbol_metadata;
	return $this;
	}

	public function getSymbolMetadata() {
	return $this->symbolMetadata;
	}

	public function setBlameMap(array $map) {
	$this->blameMap = $map;
	return $this;
	}

	public function getBlameMap() {
	return $this->blameMap;
	}

	public function setCoverage(array $coverage) {
	$this->coverage = $coverage;
	return $this;
	}

	public function getCoverage() {
	return $this->coverage;
	}

	public function render() {
	$blame_map = $this->getBlameMap();
	$has_blame = ($blame_map !== null);

	require_celerity_resource('phabricator-source-code-view-css');
	require_celerity_resource('syntax-highlighting-css');

	if ($this->canClickHighlight) {
	Javelin::initBehavior('phabricator-line-linker');
	}

	$line_number = 1;

	$rows = array();

	$lines = $this->lines;
	if ($this->truncatedFirstLines) {
	$lines[] = phutil_tag(
	'span',
	array(
	'class' => 'c',
	),
	pht('...'));
	} else if ($this->truncatedFirstBytes) {
	$last_key = last_key($lines);
	$lines[$last_key] = hsprintf(
	'%s%s',
	$lines[$last_key],
	phutil_tag(
	'span',
	array(
	'class' => 'c',
	),
	pht('...')));
	}

	$base_uri = (string)$this->uri;
	$wrote_anchor = false;

	$coverage = $this->getCoverage();
	$coverage_count = count($coverage);
	$coverage_data = ipull($coverage, 'data');

	// TODO: Modularize this properly, see T13125.
	$coverage_map = array(
	'C' => 'background: #66bbff;',
	'U' => 'background: #dd8866;',
	'N' => 'background: #ddeeff;',
	'X' => 'background: #aa00aa;',
	);

	foreach ($lines as $line) {
	$row_attributes = array();
	if (isset($this->highlights[$line_number])) {
	$row_attributes['class'] = 'phabricator-source-highlight';
	if (!$wrote_anchor) {
	$row_attributes['id'] = 'phabricator-line-linker-anchor';
	$wrote_anchor = true;
	}
	}

	if ($this->canClickHighlight) {
	if ($base_uri) {
	$line_href = $base_uri.'$'.$line_number;
	} else {
	$line_href = null;
	}

	$tag_number = phutil_tag(
	'a',
	array(
	'href' => $line_href,
	'data-n' => $line_number,
	));
	} else {
	$tag_number = phutil_tag(
	'span',
	array(),
	$line_number);
	}

	if ($has_blame) {
	$lines = idx($blame_map, $line_number);

	if ($lines) {
	$skip_blame = 'skip';
	$info_blame = 'info';
	} else {
	$skip_blame = null;
	$info_blame = null;
	}

	$blame_cells = array(
	phutil_tag(
	'th',
	array(
	'class' => 'phabricator-source-blame-skip',
	'data-blame' => $skip_blame,
	)),
	phutil_tag(
	'th',
	array(
	'class' => 'phabricator-source-blame-info',
	'data-blame' => $info_blame,
	'data-blame-lines' => $lines,
	)),
	);
	} else {
	$blame_cells = null;
	}

	$coverage_cells = array();
	foreach ($coverage as $coverage_idx => $coverage_spec) {
	if (isset($coverage_spec['data'][$line_number - 1])) {
	$coverage_char = $coverage_spec['data'][$line_number - 1];
	} else {
	$coverage_char = null;
	}

	$coverage_style = idx($coverage_map, $coverage_char, null);

	$coverage_cells[] = phutil_tag(
	'th',
	array(
	'class' => 'phabricator-source-coverage',
	'style' => $coverage_style,
	'data-coverage' => $coverage_idx.'/'.$coverage_char,
	));
	}

	$rows[] = phutil_tag(
	'tr',
	$row_attributes,
	array(
	$blame_cells,
	phutil_tag(
	'th',
	array(
	'class' => 'phabricator-source-line',
	),
	$tag_number),
	phutil_tag(
	'td',
	array(
	'class' => 'phabricator-source-code',
	),
	$line),
	$coverage_cells,
	));

	$line_number++;
	}

	$classes = array();
	$classes[] = 'phabricator-source-code-view';
	$classes[] = 'remarkup-code';
	$classes[] = 'PhabricatorMonospaced';

	$symbol_metadata = $this->getSymbolMetadata();

	$sigils = array();
	$sigils[] = 'phabricator-source';
	$sigils[] = 'has-symbols';

	Javelin::initBehavior('repository-crossreference');

	return phutil_tag_div(
	'phabricator-source-code-container',
	javelin_tag(
	'table',
	array(
	'class' => implode(' ', $classes),
	'sigil' => implode(' ', $sigils),
	'meta' => array(
	'uri' => (string)$this->uri,
	'symbols' => $symbol_metadata,
	),
	),
	phutil_implode_html('', $rows)));
	}

	}

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