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Config: Improve the node.config.php transformation

Browse source 
- Add more types
- Improvement for assoziative arrays and key-value arrays
- Add a lot more tests
This commit is contained in:
Philipp Holzer 2023-01-15 00:53:51 +01:00
parent eda65296f5
commit 4c28f9cf9c
Signed by: nupplaPhil
GPG key ID: 24A7501396EB5432
9 changed files with 301 additions and 43 deletions
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202
src/Core/Config/Util/ConfigFileTransformer.php
View file

@ -26,67 +26,191 @@ namespace Friendica\Core\Config\Util;
*/
class ConfigFileTransformer
{
/**
* The public method to start the encoding
*
* @param array $data A full config array
*
* @return string The config stream, which can be saved
*/
public static function encode(array $data): string
{
// Add the typical header values
$dataString = '<?php' . PHP_EOL . PHP_EOL;
$dataString .= 'return [' . PHP_EOL;
$dataString .= 'return ';
$categories = array_keys($data);
$dataString .= static::extractArray($data);
foreach ($categories as $category) {
if (is_null($data[$category])) {
$dataString .= "\t'$category' => null," . PHP_EOL;
continue;
}
$dataString .= "\t'$category' => [" . PHP_EOL;
if (is_array($data[$category])) {
$keys = array_keys($data[$category]);
foreach ($keys as $key) {
$dataString .= static::mapConfigValue($key, $data[$category][$key]);
}
}
$dataString .= "\t]," . PHP_EOL;
}
$dataString .= "];" . PHP_EOL;
// the last array line, close it with a semicolon
$dataString .= ";" . PHP_EOL;
return $dataString;
}
protected static function extractArray(array $config, int $level = 0): string
/**
* Extracts an inner config array.
* Either as a Key => Value pair array or as an assoziative array
*
* @param array $config The config array which should get extracted
* @param int $level The current level of recursion (necessary for tab-indentation calculation)
* @param bool $inAssoziativeArray If true, the current array resides inside another assoziative array. Different rules may be applicable
*
* @return string The config string
*/
protected static function extractArray(array $config, int $level = 0, bool $inAssoziativeArray = false): string
{
if (array_values($config) === $config) {
return self::extractAssoziativeArray($config, $level, $inAssoziativeArray);
} else {
return self::extractKeyValueArray($config, $level, $inAssoziativeArray);
}
}
/**
* Extracts a key-value array and save it into a string
* output:
* [
* 'key' => value,
* 'key' => value,
* ...
* ]
*
* @param array $config The key-value array
* @param int $level The current level of recursion (necessary for tab-indentation calculation)
* @param bool $inAssoziativeArray If true, the current array resides inside another assoziative array. Different rules may be applicable
*
* @return string The config string
*/
protected static function extractKeyValueArray(array $config, int $level = 0, bool $inAssoziativeArray = false): string
{
$string = '';
foreach ($config as $configKey => $configValue) {
$string .= static::mapConfigValue($configKey, $configValue, $level);
// Because we're in an assoziative array, we have to add a line-break first
if ($inAssoziativeArray) {
$string .= PHP_EOL . str_repeat("\t", $level);
}
// Add a typical Line break for a taxative list of key-value pairs
$string .= '[' . PHP_EOL;
foreach ($config as $configKey => $configValue) {
$string .= str_repeat("\t", $level + 1) .
"'$configKey' => " .
static::transformConfigValue($configValue, $level) .
',' . PHP_EOL;
}
$string .= str_repeat("\t", $level) . ']';
return $string;
}
protected static function mapConfigValue(string $key, $value, $level = 0): string
/**
* Extracts an assoziative array and save it into a string
* output1 - simple:
* [ value, value, value ]
*
* output2 - complex:
* [
* [ value, value, value ],
* value,
* [
* key => value,
* key => value,
* ],
* ]
*
* @param array $config The assoziative array
* @param int $level The current level of recursion (necessary for tab-indentation calculation)
* @param bool $inAssoziativeArray If true, the current array resides inside another assoziative array. Different rules may be applicable
*
* @return string The config string
*/
protected static function extractAssoziativeArray(array $config, int $level = 0, bool $inAssoziativeArray = false): string
{
$string = str_repeat("\t", $level + 2) . "'$key' => ";
$string = '[';
if (is_null($value)) {
$string .= "null,";
} elseif (is_array($value)) {
$string .= "[" . PHP_EOL;
$string .= static::extractArray($value, ++$level);
$string .= str_repeat("\t", $level + 1) . '],';
} elseif (is_bool($value)) {
$string .= ($value ? 'true' : 'false') . ",";
} elseif (is_numeric($value)) {
$string .= $value . ",";
} else {
$string .= sprintf('\'%s\',', addcslashes($value, '\'\\'));
$countConfigValues = count($config);
// multiline defines, if each entry uses a new line
$multiline = false;
// Search if any value is an array, because then other formatting rules are applicable
foreach ($config as $item) {
if (is_array($item)) {
$multiline = true;
break;
}
}
$string .= PHP_EOL;
for ($i = 0; $i < $countConfigValues; $i++) {
$isArray = is_array($config[$i]);
/**
* In case this is an array in an array, directly extract this array again and continue
* Skip any other logic since this isn't applicable for an array in an array
*/
if ($isArray) {
$string .= PHP_EOL . str_repeat("\t", $level + 1);
$string .= static::extractArray($config[$i], $level + 1, $inAssoziativeArray) . ',';
continue;
}
if ($multiline) {
$string .= PHP_EOL . str_repeat("\t", $level + 1);
}
$string .= static::transformConfigValue($config[$i], $level, true);
// add trailing commas or whitespaces for certain config entries
if (($i < ($countConfigValues - 1))) {
$string .= ',';
if (!$multiline) {
$string .= ' ';
}
}
}
// Add a new line for the last bracket as well
if ($multiline) {
$string .= PHP_EOL . str_repeat("\t", $level);
}
$string .= ']';
return $string;
}
/**
* Transforms one config value and returns the corresponding text-representation
*
* @param mixed $value Any value to transform
* @param int $level The current level of recursion (necessary for tab-indentation calculation)
* @param bool $inAssoziativeArray If true, the current array resides inside another assoziative array. Different rules may be applicable
*
* @return string
*/
protected static function transformConfigValue($value, int $level = 0, bool $inAssoziativeArray = false): string
{
switch (gettype($value)) {
case "boolean":
return ($value ? 'true' : 'false');
case "integer":
case "double":
return $value;
case "string":
return sprintf('\'%s\'', addcslashes($value, '\'\\'));
case "array":
return static::extractArray($value, ++$level, $inAssoziativeArray);
case "NULL":
return "null";
case "object":
case "resource":
case "resource (closed)":
throw new \InvalidArgumentException(sprintf('%s in configs are not supported yet.', gettype($value)));
case "unknown type":
throw new \InvalidArgumentException(sprintf('%s is an unknown value', $value));
default:
throw new \InvalidArgumentException(sprintf('%s is currently unsupported', $value));
}
}
}

8
tests/datasets/config/B.node.config.php
View file

@ -23,9 +23,13 @@ return [
'string2' => 'false',
],
],
'v' => true,
'v3' => 1,
'bool_true' => true,
'bool_false' => false,
'int_1_not_true' => 1,
'int_0_not_false' => 0,
'v4' => 5.6443,
'string_1_not_true' => '1',
'string_0_not_false' => '0',
],
],
'system' => [

0
tests/datasets/config/C.node.config.php → tests/datasets/config/transformer/C.node.config.php
View file

8
tests/datasets/config/transformer/D.node.config.php Normal file
View file

@ -0,0 +1,8 @@
<?php
return [
'string_int_values' => [
'string_1_not_true' => '1',
'string_0_not_false' => '0',
],
];

7
tests/datasets/config/transformer/object.node.config.php Normal file
View file

@ -0,0 +1,7 @@
<?php
return [
'object' => [
'objects_not_supported' => new stdClass(),
],
];

7
tests/datasets/config/transformer/ressource.node.config.php Normal file
View file

@ -0,0 +1,7 @@
<?php
return [
'ressource' => [
'ressources_not_allowed' => new \GuzzleHttp\Psr7\AppendStream(),
],
];

12
tests/datasets/config/transformer/small_types.node.config.php Normal file
View file

@ -0,0 +1,12 @@
<?php
return [
'small_cat' => [
[
'key' => 'value',
],
[
'key2' => 'value2',
],
],
];

75
tests/datasets/config/transformer/types.node.config.php Normal file
View file

@ -0,0 +1,75 @@
<?php
return [
'type_test' => [
'bool_true' => true,
'bool_false' => false,
'int_1' => 1,
'int_0' => 2,
'int_12345' => 12345,
'float' => 1.234,
'double_E+' => 1.24E+20,
'double_E-' => 7.0E-10,
'null' => null,
'array' => [1, '2', '3', 4.0E-10, 12345, 0, false, 'true', true],
'array_keys' => [
'int_1' => 1,
'string_2' => '2',
'string_3' => '3',
'double' => 4.0E-10,
'int' => 12345,
'int_0' => 0,
'false' => false,
'string_true' => 'true',
'true' => true,
],
'array_extended' => [
[
'key_1' => 'value_1',
'key_2' => 'value_2',
'key_3' => [
'inner_key' => 'inner_value',
],
],
[
'key_2' => false,
'0' => [
'is_that' => true,
'0' => [
'working' => '?',
],
],
'inner_array' => [
[
'key' => 'value',
'key2' => 12,
],
],
'key_3' => true,
],
['value', 'value2'],
[
[
'key' => 123,
],
'test',
'test52',
'test23',
[
'key' => 456,
],
],
],
],
'other_cat' => [
'key' => 'value',
],
'other_cat2' => [
[
'key' => 'value',
],
[
'key2' => 'value2',
],
],
];

25
tests/src/Core/Config/Util/ConfigFileTransformerTest.php
View file

@ -36,8 +36,25 @@ class ConfigFileTransformerTest extends MockedTest
'configFile' => (dirname(__DIR__, 4) . '/datasets/config/B.node.config.php'),
],
'friendica.local' => [
'configFile' => (dirname(__DIR__, 4) . '/datasets/config/C.node.config.php'),
'configFile' => (dirname(__DIR__, 4) . '/datasets/config/transformer/C.node.config.php'),
],
'friendica.local.2' => [
'configFile' => (dirname(__DIR__, 4) . '/datasets/config/transformer/D.node.config.php'),
],
'object_invalid' => [
'configFile' => (dirname(__DIR__, 4) . '/datasets/config/transformer/object.node.config.php'),
'assertException' => true,
],
'ressource_invalid' => [
'configFile' => (dirname(__DIR__, 4) . '/datasets/config/transformer/ressource.node.config.php'),
'assertException' => true,
],
'test_types' => [
'configFile' => (dirname(__DIR__, 4) . '/datasets/config/transformer/types.node.config.php'),
],
'small_types' => [
'configFile' => (dirname(__DIR__, 4) . '/datasets/config/transformer/small_types.node.config.php'),
]
];
}
@ -46,10 +63,14 @@ class ConfigFileTransformerTest extends MockedTest
*
* @dataProvider dataTests
*/
public function testConfigFile(string $configFile)
public function testConfigFile(string $configFile, bool $assertException = false)
{
$dataArray = include $configFile;
if ($assertException) {
self::expectException(\InvalidArgumentException::class);
}
$newConfig = ConfigFileTransformer::encode($dataArray);
self::assertEquals(file_get_contents($configFile), $newConfig);