config_parameters

#!/usr/bin/php
<?php

/**
 * create a bin directory in your symfony application
 * save this script into this bin directory "config_parameters
 * create a token file like prod.ini
 * add your token like this: __MYSQL_DB__="foobar"
 * rename your parameters.yml to parameters.yml.dist
 * replace your values with tokens like this
 *   database_name= __MYSQL_DB__ 
 * save your token files into app/config/ini/ directory 
 * chmod +x ./bin/config_parameters
 * run the command:
 * ./bin/configure_parameters prod.ini
 * @author gazari
 */
class ConfigureApplication
{
    const
        APP_INI_DIR    = "app/config/ini",
        APP_CONFIG_DIR = "app/config",
        DIST_EXT       = ".dist";

    protected
        $args   = array(),
        $tokens = NULL;

    public function __construct($arguments, $argumentsCount)
    {
        $this->args = $arguments;
        if (1 == $argumentsCount) {
            $this->help();
            exit -1;
        }
        $this->doReplace();
    }

    public function help() {
       printf("%s your/configuration/file.ini\n", $this->args[0]);
    }

    public function doReplace()
    {
        $tokens = $this->getTokens();
        foreach ($this->getDistfiles() as $file) {
            $content = file_get_contents($file);
            foreach ($tokens as $key => $value) {
                $content = str_replace($key, $value, $content);
            }
            $configFile = str_replace(self::DIST_EXT, '', $file);
            printf("writing : %s\n", $configFile);

            file_put_contents($configFile, $content);
        }

    }

    protected function getDistfiles()
    {
        $distFiles = array();
        $expr      = sprintf("/%s$/", self::DIST_EXT);
        $iterator  = new RecursiveDirectoryIterator(
                 realpath(__DIR__."/../".self::APP_CONFIG_DIR),
                 RecursiveDirectoryIterator::SKIP_DOTS
           );
        foreach ($iterator as $file) {
            if (preg_match($expr, $file->getPathName()) && is_file($file->getPathName())) {
                $distFiles[] = $file->getPathName();
            }
        }

        return $distFiles;
    }

    protected function getTokens()
    {
        if (!$this->tokens) {
            $this->tokens = $this->prepareTokens(parse_ini_file($this->getInitFile()));
        }

        return $this->tokens;
    }


    protected function getInitFile()
    {
        $iniArgs = $this->args[1];

        if (is_file($iniArgs)) {
            return $iniArgs;
        } else {
            if (!preg_match('/.ini$/', $iniArgs)) {
                $iniArgs = sprintf('%s.ini', $iniArgs);
            }


            $expr     = sprintf('/\/%s$/i', $iniArgs);
            $iterator = new RecursiveIteratorIterator(
                new RecursiveDirectoryIterator(realpath(__DIR__."/../".self::APP_INI_DIR)),
                RecursiveIteratorIterator::SELF_FIRST & RecursiveDirectoryIterator::SKIP_DOTS
            );

            foreach ($iterator as $file)
            {
                if (preg_match($expr, $file->getPathName()) && is_file($file->getPathName())) {
                    return $file->getPathName();
                }
            }
        }

        throw new \Exception(sprintf("can't find ini file %s in %s", $iniArgs, self::APP_INI_DIR));
    }

    protected function prepareTokens($tokens)
    {
        $response = array();

        foreach ($tokens as $key => $value) {
            if (preg_match('/^PHP:/', $value)) {
                $value = str_replace('PHP:', '', $value);
                eval(sprintf('$value = %s;', $value));
            }
            $response[$key] = $value;
        }
        return $response;
    }
}

$config = new ConfigureApplication($argv, $argc);