gitmodules-parser/gitmodules-parser.php at master · bjorn-ali-goransson/gitmodules-parser · GitHub

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<?php

function gitmodules_get_all($dir = ''){
  $dir = rtrim($dir, '/\\');

  if(!file_exists($dir != '' ? $dir : '.')){
    throw new Exception("Could not find directory $dir");
  }

  $gitmodules_path = ($dir != '' ? $dir : '.') . '/.gitmodules';

  if(!file_exists($gitmodules_path)){
    return array();
  }

  $contents = explode("\n", file_get_contents($gitmodules_path));

  $submodules = array();

  for($i = 0; $i < count($contents); $i++){
    $line = $contents[$i];

    if(($submodule_name = gitmodules_get_name($line))){
      $submodule = new stdClass;

      $submodule->parent_path = $dir;

      $submodule->name = $submodule_name;
      $submodule->local_path = gitmodules_get_path($contents[++$i]);
      $submodule->url = gitmodules_get_url($contents[++$i]);

      $submodule->path = ($submodule->parent_path != '' ? $submodule->parent_path . '/' : '') . $submodule->local_path;
      $submodule->path_exists = file_exists($submodule->path);

      $submodule->gitmodules_exists = $submodule->path_exists && file_exists($submodule->path . '/.gitmodules');

      $submodule->is_github = strpos($submodule->url, '://github.com') !== FALSE;

      if($submodule->is_github){
        $submodule->author = gitmodules_get_author($submodule->url);
        $submodule->repo = gitmodules_get_repo($submodule->url);
      }

      $submodules[] = $submodule;
    }
  }

  return $submodules;
}

function gitmodules_get_by_name($name, $dir = ''){
  $submodules = gitmodules_get_all($dir);

  foreach($submodules as $submodule){
    if($submodule->name == $name){
      return $submodule;
    }
  }

  return NULL;
}

function gitmodules_get_name($line){
  if(preg_match('@\[submodule "([^"]+)"\]@', $line, $matches)){
    return $matches[1];
  } else {
    return FALSE;
  }
}

function gitmodules_get_path($line){
  if(preg_match('@\s+path\s+=\s+(.+)@', $line, $matches)){
    return trim($matches[1]);
  } else {
    return FALSE;
  }
}

function gitmodules_get_url($line){
  if(preg_match('@\s+url\s+=\s+(.+)@', $line, $matches)){
    return $matches[1];
  } else {
    return FALSE;
  }
}

function gitmodules_get_author($submodule_url){
  if(preg_match('@://github.com/([^/]+)/@', $submodule_url, $matches)){
    return $matches[1];
  } else {
    return FALSE;
  }
}

function gitmodules_get_repo($submodule_url){
  if(preg_match('@://github.com/[^/]+/([^./]+)@', $submodule_url, $matches)){
    return $matches[1];
  } else {
    return FALSE;
  }
}