/**
* Gets a tree
*
* @param string $hash tree hash
* @return GitPHP_Tree tree object
*/
public function GetTree($hash)
{
if (empty($hash)) {
return null;
}
if (preg_match('/^[0-9A-Fa-f]{4,39}$/', $hash) && !$this->compat) {
$fullHash = $this->project->ExpandHash($hash);
if ($fullHash == $hash) {
throw new GitPHP_InvalidHashException($hash);
}
$hash = $fullHash;
}
if (!preg_match('/^[0-9A-Fa-f]{40}$/', $hash)) {
return null;
}
$key = GitPHP_Tree::CacheKey($this->project->GetProject(), $hash);
$tree = null;
if ($this->memoryCache) {
$tree = $this->memoryCache->Get($key);
}
if (!$tree) {
if ($this->cache) {
$tree = $this->cache->Get($key);
}
$strategy = null;
if ($this->compat) {
$strategy = new GitPHP_TreeLoad_Git($this->exe);
} else {
$strategy = new GitPHP_TreeLoad_Raw($this->objectLoader, $this->exe);
}
if ($tree) {
$tree->SetProject($this->project);
$tree->SetStrategy($strategy);
} else {
$tree = new GitPHP_Tree($this->project, $hash, $strategy);
}
$tree->AddObserver($this);
if ($this->memoryCache) {
$this->memoryCache->Set($key, $tree);
}
}
return $tree;
}
/**
* Get diff data
*
* @param integer $context number of context lines
* @param boolean $header true to include file header
* @param string $file override file name
* @return string diff data
*/
private function GetDiffData($context = 3, $header = true, $file = null)
{
$fromData = '';
$toData = '';
if (empty($this->status) || $this->status == 'M' || $this->status == 'D') {
$fromBlob = $this->GetFromBlob();
$fromData = $fromBlob->GetData(false);
}
if (empty($this->status) || $this->status == 'M' || $this->status == 'A') {
$toBlob = $this->GetToBlob();
$toData = $toBlob->GetData(false);
}
$output = '';
if ($header) {
$output = '--- ' . $this->GetFromLabel($file) . "\n" . '+++ ' . $this->GetToLabel($file) . "\n";
}
$diffOutput = false;
$cacheKey = null;
if ($this->cache) {
$cacheKey = 'project|' . $this->project->GetProject() . '|diff|' . $context . '|' . $this->fromHash . '|' . $this->toHash;
$diffOutput = $this->cache->Get($cacheKey);
}
if ($diffOutput === false) {
if ($this->UseXDiff()) {
$diffOutput = $this->GetXDiff($fromData, $toData, $context);
} else {
$diffOutput = $this->GetPhpDiff($fromData, $toData, $context);
}
if ($this->cache) {
$this->cache->Set($cacheKey, $diffOutput);
}
}
$output .= $diffOutput;
return $output;
}
/**
* Applies global config settings to a project
*
* @param GitPHP_Project $project project
*/
protected function ApplyGlobalConfig($project)
{
if (!$project) {
return;
}
if (!$this->config) {
return;
}
if ($this->config->GetValue('cloneurl')) {
$project->SetCloneUrl(GitPHP_Util::AddSlash($this->config->GetValue('cloneurl'), false) . $project->GetProject());
}
if ($this->config->GetValue('pushurl')) {
$project->SetPushUrl(GitPHP_Util::AddSlash($this->config->GetValue('pushurl'), false) . $project->GetProject());
}
if ($this->config->GetValue('bugpattern')) {
$project->SetBugPattern($this->config->GetValue('bugpattern'));
}
if ($this->config->GetValue('bugurl')) {
$project->SetBugUrl($this->config->GetValue('bugurl'));
}
if ($this->config->HasKey('compat')) {
$project->SetCompat($this->config->GetValue('compat'));
}
if ($this->config->HasKey('uniqueabbrev')) {
$project->SetUniqueAbbreviation($this->config->GetValue('uniqueabbrev'));
}
if ($this->config->GetValue('abbreviateurl')) {
$project->SetUniqueAbbreviation(true);
}
}
/**
* Compares two projects by project name
*
* @param GitPHP_Project $a first project
* @param GitPHP_Project $b second project
* @return integer comparison result
*/
public static function CompareProject($a, $b)
{
$catCmp = strcmp($a->GetCategory(), $b->GetCategory());
if ($catCmp !== 0) {
return $catCmp;
}
return strcmp($a->GetProject(), $b->GetProject());
}
/**
* Gets a project identifier for a project
*
* @param string|GitPHP_Project $value string or project
* @return string identifier
*/
private static function GetProject($value)
{
if ($value instanceof GitPHP_Project) {
return $value->GetProject();
} else {
if (is_string($value)) {
return $value;
}
}
}