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ArcanistInspectWorkflow.php
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ArcanistInspectWorkflow.php
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<?php
final class ArcanistInspectWorkflow
extends ArcanistArcWorkflow {
public function getWorkflowName() {
return 'inspect';
}
public function getWorkflowInformation() {
$help = pht(<<<EOTEXT
Inspect internal object properties.
EOTEXT
);
return $this->newWorkflowInformation()
->setSynopsis(pht('Show internal object information.'))
->addExample(pht('**inspect** [__options__] -- __object__'))
->setHelp($help);
}
public function getWorkflowArguments() {
return array(
$this->newWorkflowArgument('explore')
->setHelp(pht('Load all object hardpoints.')),
$this->newWorkflowArgument('objects')
->setWildcard(true),
);
}
public function runWorkflow() {
$is_explore = $this->getArgument('explore');
$objects = $this->getArgument('objects');
$inspectors = ArcanistRefInspector::getAllInspectors();
foreach ($inspectors as $inspector) {
$inspector->setWorkflow($this);
}
if (!$objects) {
echo tsprintf(
"%s\n\n",
pht('Choose an object to inspect:'));
foreach ($inspectors as $inspector) {
echo tsprintf(
" - %s\n",
$inspector->getInspectFunctionName());
}
echo tsprintf("\n");
return 0;
}
$all_refs = array();
foreach ($objects as $description) {
$matches = null;
$pattern = '/^([\w-]+)(?:\((.*)\))?\z/';
if (!preg_match($pattern, $description, $matches)) {
throw new PhutilArgumentUsageException(
pht(
'Object specification "%s" is unknown, expected a specification '.
'like "commit(HEAD)".',
$description));
}
$function = $matches[1];
if (!isset($inspectors[$function])) {
ksort($inspectors);
throw new PhutilArgumentUsageException(
pht(
'Unknown object type "%s", supported types are: %s.',
$function,
implode(', ', array_keys($inspectors))));
}
$inspector = $inspectors[$function];
if (isset($matches[2])) {
$arguments = array($matches[2]);
} else {
$arguments = array();
}
$ref = $inspector->newInspectRef($arguments);
$all_refs[] = $ref;
}
if ($is_explore) {
$this->exploreRefs($all_refs);
}
$list = array();
foreach ($all_refs as $ref) {
$out = $this->describeRef($ref, 0);
$list[] = $out;
}
$list = phutil_glue($list, "\n");
echo tsprintf('%B', $list);
return 0;
}
private function describeRef(ArcanistRef $ref, $depth) {
$indent = str_repeat(' ', $depth);
$out = array();
$out[] = tsprintf(
"%s+ [%s] %s\n",
$indent,
get_class($ref),
$ref->getRefDisplayName());
$hardpoint_list = $ref->getHardpointList();
foreach ($hardpoint_list->getHardpoints() as $hardpoint) {
$lines = $this->describeHardpoint($ref, $hardpoint, $depth + 1);
foreach ($lines as $line) {
$out[] = $line;
}
}
return $out;
}
private function describeHardpoint(
ArcanistRef $ref,
ArcanistHardpoint $hardpoint,
$depth) {
$indent = str_repeat(' ', $depth);
$children = array();
$values = array();
$hardpoint_key = $hardpoint->getHardpointKey();
if ($ref->hasAttachedHardpoint($hardpoint_key)) {
$mode = '*';
$value = $ref->getHardpoint($hardpoint_key);
if ($value instanceof ArcanistRef) {
$children[] = $value;
} else if (is_array($value)) {
foreach ($value as $key => $child) {
if ($child instanceof ArcanistRef) {
$children[] = $child;
} else {
$values[] = $value;
}
}
} else {
$values[] = $value;
}
} else {
$mode = 'o';
}
$out = array();
$out[] = tsprintf(
"%s%s [%s] %s\n",
$indent,
$mode,
get_class($hardpoint),
$hardpoint->getHardpointKey());
foreach ($children as $child) {
$lines = $this->describeRef($child, $depth + 1);
foreach ($lines as $line) {
$out[] = $line;
}
}
foreach ($values as $value) {
$lines = $this->describeValue($value, $depth + 1);
foreach ($lines as $line) {
$out[] = $line;
}
}
return $out;
}
private function describeValue($value, $depth) {
$indent = str_repeat(' ', $depth);
if (is_string($value)) {
$display_value = '"'.addcslashes(substr($value, 0, 64), "\n\r\t\\\"").'"';
} else if (is_scalar($value)) {
$display_value = phutil_string_cast($value);
} else if ($value === null) {
$display_value = 'null';
} else {
$display_value = phutil_describe_type($value);
}
$out = array();
$out[] = tsprintf(
"%s> %s\n",
$indent,
$display_value);
return $out;
}
private function exploreRefs(array $refs) {
$seen = array();
$look = $refs;
while ($look) {
$ref_map = $this->getRefsByClass($look);
$look = array();
$children = $this->inspectHardpoints($ref_map);
foreach ($children as $child) {
$hash = spl_object_hash($child);
if (isset($seen[$hash])) {
continue;
}
$seen[$hash] = true;
$look[] = $child;
}
}
}
private function getRefsByClass(array $refs) {
$ref_lists = array();
foreach ($refs as $ref) {
$ref_lists[get_class($ref)][] = $ref;
}
foreach ($ref_lists as $ref_class => $refs) {
$typical_ref = head($refs);
$hardpoint_list = $typical_ref->getHardpointList();
$hardpoints = $hardpoint_list->getHardpoints();
if (!$hardpoints) {
unset($ref_lists[$ref_class]);
continue;
}
$hardpoint_keys = mpull($hardpoints, 'getHardpointKey');
$ref_lists[$ref_class] = array(
'keys' => $hardpoint_keys,
'refs' => $refs,
);
}
return $ref_lists;
}
private function inspectHardpoints(array $ref_lists) {
foreach ($ref_lists as $ref_class => $spec) {
$refs = $spec['refs'];
$keys = $spec['keys'];
$this->loadHardpoints($refs, $keys);
}
$child_refs = array();
foreach ($ref_lists as $ref_class => $spec) {
$refs = $spec['refs'];
$keys = $spec['keys'];
foreach ($refs as $ref) {
foreach ($keys as $key) {
$value = $ref->getHardpoint($key);
if (!is_array($value)) {
$value = array($value);
}
foreach ($value as $child) {
if ($child instanceof ArcanistRef) {
$child_refs[] = $child;
}
}
}
}
}
return $child_refs;
}
}

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ArcanistInspectWorkflow.php (6 KB)

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