commit 8a849213e46f64e65026e640e88ff0a3d9871545
Author: flashwave <me@flash.moe>
Date:   Fri Oct 20 21:21:17 2023 +0000

    Initial commit.

diff --git a/.gitattributes b/.gitattributes
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--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,4 @@
+* text=auto
+*.sh text eol=lf
+*.php text eol=lf
+*.bat text eol=crlf
diff --git a/.gitignore b/.gitignore
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--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,10 @@
+[Tt]humbs.db
+[Dd]esktop.ini
+.DS_Store
+.vscode/
+.vs/
+.idea/
+docs/html/
+.phpdoc*
+.phpunit*
+vendor/
diff --git a/LICENCE b/LICENCE
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--- /dev/null
+++ b/LICENCE
@@ -0,0 +1,30 @@
+Copyright (c) 2023, flashwave <me@flash.moe>
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted (subject to the limitations in the disclaimer
+below) provided that the following conditions are met:
+
+   * Redistributions of source code must retain the above copyright notice,
+     this list of conditions and the following disclaimer.
+
+   * Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+
+   * Neither the name of the copyright holder nor the names of its
+     contributors may be used to endorse or promote products derived from this
+     software without specific prior written permission.
+
+NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY
+THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
diff --git a/README.md b/README.md
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--- /dev/null
+++ b/README.md
@@ -0,0 +1,35 @@
+# Syokuhou
+
+Syokuhou is a common library for configuration in my PHP projects.
+It provides both a file interface and a database interface out of the box as well as scoping.
+
+
+## Requirements and Dependencies
+
+Syokuhou currently targets **PHP 8.2**.
+
+### `Path to database interface`
+
+A compatible `Index\Data\IDbConnection` must be provided.
+
+
+## Versioning
+
+Syokuhou versioning will follows the [Semantic Versioning specification v2.0.0](https://semver.org/spec/v2.0.0.html).
+
+Previous major versions may be supported for a time with backports depending on what projects of mine still target older versions of PHP.
+
+The version is stored in the root of the repository in a file called `VERSION` and can be read out within Syokuhou using `Syokuhou\SyokuhouInfo::getVersion()`.
+
+
+## Contribution
+
+By submitting code for inclusion in the main Syokuhou source tree you agree to transfer ownership of the code to the project owner.
+The contributor will still be attributed for the contributed code, unless they ask for this attribution to be removed.
+This is to avoid intellectual property rights traps and drama that could lead to blackmail situations.
+If you do not agree with these terms, you are free to fork off.
+
+
+## Licencing
+
+Syokuhou is available under the BSD 3-Clause Clear License, a full version of which is enclosed in the LICENCE file.
diff --git a/VERSION b/VERSION
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--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+1.0.0-dev
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..8364803
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,30 @@
+{
+    "name": "flashwave/syokuhou",
+    "description": "Configuration library for PHP.",
+    "type": "library",
+    "homepage": "https://railgun.sh/syokuhou",
+    "license": "bsd-3-clause-clear",
+    "minimum-stability": "dev",
+    "prefer-stable": true,
+    "require": {
+        "php": ">=8.2",
+        "flashwave/index": "dev-master"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^10.4",
+        "phpstan/phpstan": "^1.10"
+    },
+    "authors": [
+        {
+            "name": "flashwave",
+            "email": "packagist@flash.moe",
+            "homepage": "https://flash.moe",
+            "role": "mom"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "Syokuhou\\": "src"
+        }
+    }
+}
diff --git a/composer.lock b/composer.lock
new file mode 100644
index 0000000..c9fff6c
--- /dev/null
+++ b/composer.lock
@@ -0,0 +1,1745 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "9cf836d2185c89263da59dc09d7f9882",
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+            "name": "flashwave/index",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://git.flash.moe/flash/index.git",
+                "reference": "82a350a5c719cc83aa22382201683a68a2629f2a"
+            },
+            "require": {
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+            "default-branch": true,
+            "type": "library",
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+                    "email": "packagist@flash.moe",
+                    "homepage": "https://flash.moe",
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+                }
+            ],
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diff --git a/phpdoc.xml b/phpdoc.xml
new file mode 100644
index 0000000..b4ee921
--- /dev/null
+++ b/phpdoc.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<phpdocumentor configVersion="3.0"
+               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+               xmlns="https://www.phpdoc.org"
+               xsi:noNamespaceSchemaLocation="data/xsd/phpdoc.xsd">
+    <title>Syokuhou Documentation</title>
+    <template name="default"/>
+    <paths>
+        <output>docs/html</output>
+    </paths>
+    <version number="0.1">
+        <folder>latest</folder>
+        <api format="php">
+            <output>api</output>
+            <visibility>public</visibility>
+            <default-package-name>Syokuhou</default-package-name>
+            <source dsn=".">
+                <path>src</path>
+            </source>
+            <extensions>
+                <extension>php</extension>
+            </extensions>
+            <ignore hidden="true" symlinks="true">
+                <path>tests/**/*</path>
+            </ignore>
+            <ignore-tags>
+                <ignore-tag>template</ignore-tag>
+                <ignore-tag>template-extends</ignore-tag>
+                <ignore-tag>template-implements</ignore-tag>
+                <ignore-tag>extends</ignore-tag>
+                <ignore-tag>implements</ignore-tag>
+            </ignore-tags>
+        </api>
+        <guide format="rst">
+            <source dsn=".">
+                <path>docs</path>
+            </source>
+            <output>guide</output>
+        </guide>
+    </version>
+</phpdocumentor>
diff --git a/phpstan.neon b/phpstan.neon
new file mode 100644
index 0000000..39c5d92
--- /dev/null
+++ b/phpstan.neon
@@ -0,0 +1,7 @@
+parameters:
+  level: 9
+  checkUninitializedProperties: true
+  checkImplicitMixed: true
+  checkBenevolentUnionTypes: true
+  paths:
+    - src
diff --git a/phpunit.xml b/phpunit.xml
new file mode 100644
index 0000000..0dd4194
--- /dev/null
+++ b/phpunit.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.2/phpunit.xsd"
+    colors="true"
+    executionOrder="depends,defects"
+    beStrictAboutOutputDuringTests="true"
+    failOnRisky="true"
+    failOnWarning="true"
+    cacheDirectory=".phpunit.cache"
+    requireCoverageMetadata="true"
+    beStrictAboutCoverageMetadata="true">
+  <testsuites>
+    <testsuite name="default">
+      <directory suffix="Test.php">tests</directory>
+    </testsuite>
+  </testsuites>
+  <coverage/>
+  <source>
+    <include>
+      <directory suffix=".php">src</directory>
+    </include>
+  </source>
+</phpunit>
diff --git a/src/DbConfig.php b/src/DbConfig.php
new file mode 100644
index 0000000..5f22759
--- /dev/null
+++ b/src/DbConfig.php
@@ -0,0 +1,226 @@
+<?php
+// DbConfig.php
+// Created: 2023-10-20
+// Updated: 2023-10-20
+
+namespace Syokuhou;
+
+use InvalidArgumentException;
+use Index\Data\DbStatementCache;
+use Index\Data\DbTools;
+use Index\Data\IDbConnection;
+
+/**
+ * Provides a configuration based on a {@see IDbConnection} instance.
+ *
+ * @todo provide table name in constructor
+ * @todo scan for vendor specific queries and generalise them
+ * @todo getValues() parsing should probably be done external so it can be reused
+ */
+class DbConfig implements IConfig {
+    use MutableConfigTrait, GetValueInfoTrait, GetValuesTrait;
+
+    private DbStatementCache $cache;
+    /** @var array<string, DbConfigValueInfo> */
+    private array $values = [];
+
+    public function __construct(
+        IDbConnection $dbConn,
+        private string $tableName,
+        private string $nameField = 'config_name',
+        private string $valueField = 'config_value'
+    ) {
+        $this->cache = new DbStatementCache($dbConn);
+    }
+
+    public static function validateName(string $name): bool {
+        // this should better validate the format, this allows for a lot of shittery
+        return preg_match('#^([a-z][a-zA-Z0-9._]+)$#', $name) === 1;
+    }
+
+    /**
+     * Resets value cache.
+     */
+    public function reset(): void {
+        $this->values = [];
+    }
+
+    /**
+     * Unloads specifics items from the local cache.
+     *
+     * @param string|string[] $names Names of values to unload.
+     */
+    public function unload(string|array $names): void {
+        if(empty($names))
+            return;
+        if(is_string($names))
+            $names = [$names];
+
+        foreach($names as $name)
+            unset($this->values[$name]);
+    }
+
+    public function getSeparator(): string {
+        return '.';
+    }
+
+    public function scopeTo(string ...$prefix): IConfig {
+        return new ScopedConfig($this, $prefix);
+    }
+
+    public function hasValues(string|array $names): bool {
+        if(empty($names))
+            return true;
+        if(is_string($names))
+            $names = [$names];
+
+        $cachedNames = array_keys($this->values);
+        $names = array_diff($names, $cachedNames);
+
+        if(!empty($names)) {
+            // array_diff preserves keys, the for() later would fuck up without it
+            $names = array_values($names);
+            $nameCount = count($names);
+
+            $stmt = $this->cache->get(sprintf(
+                'SELECT COUNT(*) FROM %s WHERE %s IN (%s)',
+                $this->tableName, $this->nameField,
+                DbTools::prepareListString($nameCount)
+            ));
+            for($i = 0; $i < $nameCount; ++$i)
+                $stmt->addParameter($i + 1, $names[$i]);
+            $stmt->execute();
+
+            $result = $stmt->getResult();
+            if($result->next())
+                return $result->getInteger(0) >= $nameCount;
+        }
+
+        return true;
+    }
+
+    public function removeValues(string|array $names): void {
+        if(empty($names))
+            return;
+        if(is_string($names))
+            $names = [$names];
+
+        foreach($names as $name)
+            unset($this->values[$name]);
+
+        $nameCount = count($names);
+        $stmt = $this->cache->get(sprintf(
+            'DELETE FROM %s WHERE %s IN (%s)',
+            $this->tableName, $this->nameField,
+            DbTools::prepareListString($nameCount)
+        ));
+
+        for($i = 0; $i < $nameCount; ++$i)
+            $stmt->addParameter($i + 1, $names[$i]);
+
+        $stmt->execute();
+    }
+
+    public function getAllValueInfos(int $range = 0, int $offset = 0): array {
+        $this->reset();
+        $infos = [];
+
+        $hasRange = $range !== 0;
+
+        $query = sprintf('SELECT %s, %s FROM %s', $this->nameField, $this->valueField, $this->tableName);
+        if($hasRange) {
+            if($range < 0)
+                throw new InvalidArgumentException('$range must be a positive integer.');
+            if($offset < 0)
+                throw new InvalidArgumentException('$offset must be greater than zero if a range is specified.');
+
+            $query .= ' LIMIT ? OFFSET ?';
+        }
+
+        $stmt = $this->cache->get($query);
+        if($hasRange) {
+            $stmt->addParameter(1, $range);
+            $stmt->addParameter(2, $offset);
+        }
+        $stmt->execute();
+
+        $result = $stmt->getResult();
+
+        while($result->next()) {
+            $name = $result->getString(0);
+            $infos[] = $this->values[$name] = new DbConfigValueInfo($result);
+        }
+
+        return $infos;
+    }
+
+    public function getValueInfos(string|array $names): array {
+        if(empty($names))
+            return [];
+        if(is_string($names))
+            $names = [$names];
+
+        $infos = [];
+        $skip = [];
+
+        foreach($names as $name)
+            if(array_key_exists($name, $this->values)) {
+                $infos[] = $this->values[$name];
+                $skip[] = $name;
+            }
+
+        $names = array_diff($names, $skip);
+
+        if(!empty($names)) {
+            // array_diff preserves keys, the for() later would fuck up without it
+            $names = array_values($names);
+            $nameCount = count($names);
+
+            $stmt = $this->cache->get(sprintf(
+                'SELECT %s, %s FROM %s WHERE config_name IN (%s)',
+                $this->nameField, $this->valueField, $this->tableName,
+                DbTools::prepareListString($nameCount)
+            ));
+            for($i = 0; $i < $nameCount; ++$i)
+                $stmt->addParameter($i + 1, $names[$i]);
+            $stmt->execute();
+
+            $result = $stmt->getResult();
+            while($result->next()) {
+                $name = $result->getString(0);
+                $infos[] = $this->values[$name] = new DbConfigValueInfo($result);
+            }
+        }
+
+        return $infos;
+    }
+
+    public function setValues(array $values): void {
+        if(empty($values))
+            return;
+
+        $stmt = $this->cache->get(sprintf(
+            'INSERT INTO %s (%s, %s) VALUES (?, ?)',
+            $this->tableName, $this->nameField, $this->valueField
+        ));
+
+        foreach($values as $name => $value) {
+            if(!self::validateName($name))
+                throw new InvalidArgumentException('Invalid name encountered in $values.');
+
+            if(is_array($value)) {
+                foreach($value as $entry)
+                    if(!is_scalar($entry))
+                        throw new InvalidArgumentException('An array value in $values contains a non-scalar type.');
+            } elseif(!is_scalar($value))
+                throw new InvalidArgumentException('Invalid value type encountered in $values.');
+
+            $this->removeValues($name);
+
+            $stmt->addParameter(1, $name);
+            $stmt->addParameter(2, serialize($value));
+            $stmt->execute();
+        }
+
+    }
+}
diff --git a/src/DbConfigValueInfo.php b/src/DbConfigValueInfo.php
new file mode 100644
index 0000000..71c1cad
--- /dev/null
+++ b/src/DbConfigValueInfo.php
@@ -0,0 +1,91 @@
+<?php
+// DbConfigValueInfo.php
+// Created: 2023-10-20
+// Updated: 2023-10-20
+
+namespace Syokuhou;
+
+use UnexpectedValueException;
+use Index\Data\IDbResult;
+
+/**
+ * Provides information about a databased configuration value.
+ */
+class DbConfigValueInfo implements IConfigValueInfo {
+    private string $name;
+    private string $value;
+
+    /** @internal */
+    public function __construct(IDbResult $result) {
+        $this->name = $result->getString(0);
+        $this->value = $result->getString(1);
+    }
+
+    public function getName(): string {
+        return $this->name;
+    }
+
+    public function getType(): string {
+        return match($this->value[0]) {
+            's' => 'string',
+            'a' => 'array',
+            'i' => 'int',
+            'b' => 'bool',
+            'd' => 'float',
+            default => 'unknown',
+        };
+    }
+
+    public function isString():  bool { return $this->value[0] === 's'; }
+    public function isInteger(): bool { return $this->value[0] === 'i'; }
+    public function isFloat():   bool { return $this->value[0] === 'd'; }
+    public function isBoolean(): bool { return $this->value[0] === 'b'; }
+    public function isArray():   bool { return $this->value[0] === 'a'; }
+
+    public function getValue(): mixed {
+        return unserialize($this->value);
+    }
+
+    public function getString(): string {
+        $value = $this->getValue();
+        if(!is_string($value))
+            throw new UnexpectedValueException('Value is not a string.');
+        return $value;
+    }
+
+    public function getInteger(): int {
+        $value = $this->getValue();
+        if(!is_int($value))
+            throw new UnexpectedValueException('Value is not an integer.');
+        return $value;
+    }
+
+    public function getFloat(): float {
+        $value = $this->getValue();
+        if(!is_float($value))
+            throw new UnexpectedValueException('Value is not a floating point number.');
+        return $value;
+    }
+
+    public function getBoolean(): bool {
+        $value = $this->getValue();
+        if(!is_bool($value))
+            throw new UnexpectedValueException('Value is not a boolean.');
+        return $value;
+    }
+
+    public function getArray(): array {
+        $value = $this->getValue();
+        if(!is_array($value))
+            throw new UnexpectedValueException('Value is not an array.');
+        return $value;
+    }
+
+    public function __toString(): string {
+        $value = $this->getValue();
+        if(is_array($value))
+            return implode(', ', $value);
+
+        return (string)$value; // @phpstan-ignore-line dude trust me
+    }
+}
diff --git a/src/GetValueInfoTrait.php b/src/GetValueInfoTrait.php
new file mode 100644
index 0000000..7e46c79
--- /dev/null
+++ b/src/GetValueInfoTrait.php
@@ -0,0 +1,41 @@
+<?php
+// GetValueInfoTrait.php
+// Created: 2023-10-20
+// Updated: 2023-10-20
+
+namespace Syokuhou;
+
+/**
+ * Provides implementations for things that are essentially macros for {@see IConfig::getValueInfos}.
+ */
+trait GetValueInfoTrait {
+    public function getValueInfo(string $name): ?IConfigValueInfo {
+        $infos = $this->getValueInfos($name);
+        return empty($infos) ? null : $infos[0];
+    }
+
+    public function getString(string $name, string $default = ''): string {
+        $valueInfo = $this->getValueInfo($name);
+        return $valueInfo?->isString() ? $valueInfo->getString() : $default;
+    }
+
+    public function getInteger(string $name, int $default = 0): int {
+        $valueInfo = $this->getValueInfo($name);
+        return $valueInfo?->isInteger() ? $valueInfo->getInteger() : $default;
+    }
+
+    public function getFloat(string $name, float $default = 0): float {
+        $valueInfo = $this->getValueInfo($name);
+        return $valueInfo?->isFloat() ? $valueInfo->getFloat() : $default;
+    }
+
+    public function getBoolean(string $name, bool $default = false): bool {
+        $valueInfo = $this->getValueInfo($name);
+        return $valueInfo?->isBoolean() ? $valueInfo->getBoolean() : $default;
+    }
+
+    public function getArray(string $name, array $default = []): array {
+        $valueInfo = $this->getValueInfo($name);
+        return $valueInfo?->isArray() ? $valueInfo->getArray() : $default;
+    }
+}
diff --git a/src/GetValuesTrait.php b/src/GetValuesTrait.php
new file mode 100644
index 0000000..f5d56bf
--- /dev/null
+++ b/src/GetValuesTrait.php
@@ -0,0 +1,96 @@
+<?php
+// GetValuesTrait.php
+// Created: 2023-10-20
+// Updated: 2023-10-20
+
+namespace Syokuhou;
+
+use InvalidArgumentException;
+
+/**
+ * Provides implementation for {@see IConfig::getValues} based on {@see IConfig::getValueInfos}.
+ */
+trait GetValuesTrait {
+    /**
+     * Format described in {@see IConfig::getValues}.
+     *
+     * @param array<string|string[]> $specs
+     * @return array<string, mixed>
+     */
+    public function getValues(array $specs): array {
+        $names = [];
+        $evald = [];
+
+        foreach($specs as $key => $spec) {
+            if(is_string($spec)) {
+                $name = $spec;
+                $default = null;
+                $alias = null;
+            } elseif(is_array($spec) && !empty($spec)) {
+                $name = $spec[0];
+                $default = $spec[1] ?? null;
+                $alias = $spec[2] ?? null;
+            } else
+                throw new InvalidArgumentException('$specs array contains an invalid entry.');
+
+            $nameLength = strlen($name);
+            if($nameLength > 3 && ($colon = strrpos($name, ':')) === $nameLength - 2) {
+                $type = substr($name, $colon + 1, 1);
+                $name = substr($name, 0, $colon);
+            } else $type = '';
+
+            $names[] = $name;
+            $evald[$key] = [
+                'name' => $name,
+                'type' => $type,
+                'default' => $default,
+                'alias' => $alias,
+            ];
+        }
+
+        $infos = $this->getValueInfos($names);
+        $results = [];
+
+        foreach($evald as $spec) {
+            foreach($infos as $infoTest)
+                if($infoTest->getName() === $spec['name']) {
+                    $info = $infoTest;
+                    break;
+                }
+
+            $resultName = $spec['alias'] ?? $spec['name'];
+
+            if(!isset($info)) {
+                $defaultValue = $spec['default'] ?? null;
+                if($spec['type'] !== '')
+                    settype($defaultValue, match($spec['type']) {
+                        's' => 'string',
+                        'a' => 'array',
+                        'i' => 'int',
+                        'b' => 'bool',
+                        'f' => 'float',
+                        'd' => 'double',
+                        default => throw new InvalidArgumentException(sprintf('Invalid type letter encountered: "%s"', $spec['type'])),
+                    });
+
+                $results[$resultName] = $defaultValue;
+                continue;
+            }
+
+            $results[$resultName] = match($spec['type']) {
+                's' => $info->getString(),
+                'a' => $info->getArray(),
+                'i' => $info->getInteger(),
+                'b' => $info->getBoolean(),
+                'f' => $info->getFloat(),
+                'd' => $info->getFloat(),
+                '' => $info->getValue(),
+                default => throw new InvalidArgumentException('Unknown type encountered in $specs.'),
+            };
+
+            unset($info);
+        }
+
+        return $results;
+    }
+}
diff --git a/src/IConfig.php b/src/IConfig.php
new file mode 100644
index 0000000..adef8e0
--- /dev/null
+++ b/src/IConfig.php
@@ -0,0 +1,189 @@
+<?php
+// IConfig.php
+// Created: 2023-10-20
+// Updated: 2023-10-20
+
+namespace Syokuhou;
+
+/**
+ * Provides a common interface for configuration providers.
+ */
+interface IConfig {
+    /**
+     * Creates a scoped configuration instance that prepends a prefix to all names.
+     *
+     * @param non-empty-array<string> ...$prefix Parts of the desired.
+     * @return IConfig A scoped configuration instance.
+     */
+    public function scopeTo(string ...$prefix): IConfig;
+
+    /**
+     * Gets the separator character used for scoping.
+     *
+     * @return string Separator character.
+     */
+    public function getSeparator(): string;
+
+    /**
+     * Checks if configurations contains given names.
+     * An empty $names list will always return true.
+     *
+     * @param string|string[] $names Name or names to check for.
+     * @return bool Whether all given names are present or not.
+     */
+    public function hasValues(string|array $names): bool;
+
+    /**
+     * Removes values with given names from the configuration, if writable.
+     *
+     * @param string|string[] $names Name or names to remove.
+     * @throws \RuntimeException If the configuration is read only.
+     */
+    public function removeValues(string|array $names): void;
+
+    /**
+     * Lists all value informations from this configuration.
+     *
+     * @param int $range Amount of items to take, 0 for all. Must be a positive integer.
+     * @param int $offset Amount of items to skip. Must be a positive integer. Has no effect if $range is 0.
+     * @throws \InvalidArgumentException If $range or $offset are negative.
+     * @return IConfigValueInfo[] Configuration value infos.
+     */
+    public function getAllValueInfos(int $range = 0, int $offset = 0): array;
+
+    /**
+     * Gets value informations for one or more items.
+     *
+     * @param string|string[] $names Name or names to retrieve.
+     * @return IConfigValueInfo[] Array with value informations.
+     */
+    public function getValueInfos(string|array $names): array;
+
+    /**
+     * Gets value information for a single item.
+     *
+     * @param string $name Name or names to retrieve.
+     * @return ?IConfigValueInfo Value information, or null if not present.
+     */
+    public function getValueInfo(string $name): ?IConfigValueInfo;
+
+    /**
+     * Gets multiple values of varying types at once.
+     *
+     * The format of a $specs entry can be one of the following:
+     *  If the entry is a string:
+     *   - The name of a value: 'value_name'
+     *   - The name of a value followed by a requested type, separated by a colon: 'value_name:s', 'value_name:i', 'value_name:a'
+     *  If the entry is an array, all except [0] are optional:
+     *   - [0] follows to same format as the above described string
+     *   - [1] is the default value to fall back on, MUST be the same type as the one specified in [0].
+     *   - [2] is an alternative key for the output array.
+     *
+     * Available types are:
+     *  :s - string
+     *  :a - array
+     *  :i - integer
+     *  :b - boolean
+     *  :f - float
+     *  :d - float
+     *
+     * @param array<string|string[]> $specs Specification of what items to grab.
+     * @throws \InvalidArgumentException If $specs is malformed.
+     * @return array<string, mixed> An associative array containing the retrieved values.
+     */
+    public function getValues(array $specs): array;
+
+    /**
+     * Gets a single string value.
+     *
+     * @param string $name Name of the value to fetch.
+     * @param string $default Default value to fall back on if the value is not present.
+     * @return string Configuration value for $name.
+     */
+    public function getString(string $name, string $default = ''): string;
+
+    /**
+     * Gets a single integer value.
+     *
+     * @param string $name Name of the value to fetch.
+     * @param int $default Default value to fall back on if the value is not present.
+     * @return int Configuration value for $name.
+     */
+    public function getInteger(string $name, int $default = 0): int;
+
+    /**
+     * Gets a single floating point value.
+     *
+     * @param string $name Name of the value to fetch.
+     * @param float $default Default value to fall back on if the value is not present.
+     * @return float Configuration value for $name.
+     */
+    public function getFloat(string $name, float $default = 0): float;
+
+    /**
+     * Gets a single boolean value.
+     *
+     * @param string $name Name of the value to fetch.
+     * @param bool $default Default value to fall back on if the value is not present.
+     * @return bool Configuration value for $name.
+     */
+    public function getBoolean(string $name, bool $default = false): bool;
+
+    /**
+     * Gets an array value.
+     *
+     * @param string $name Name of the value to fetch.
+     * @param mixed[] $default Default value to fall back on if the value is not present.
+     * @return mixed[] Configuration value for $name.
+     */
+    public function getArray(string $name, array $default = []): array;
+
+    /**
+     * Sets multiple values at once using an associative array.
+     *
+     * @param array<string, mixed> $values Values to save.
+     * @throws \InvalidArgumentException If $values is malformed.
+     * @throws \RuntimeException If the configuration is read only.
+     */
+    public function setValues(array $values): void;
+
+    /**
+     * Sets a single string value.
+     *
+     * @param string $name Name of the value to save.
+     * @param string $value Value to save.
+     */
+    public function setString(string $name, string $value): void;
+
+    /**
+     * Sets a single integer value.
+     *
+     * @param string $name Name of the value to save.
+     * @param int $value Value to save.
+     */
+    public function setInteger(string $name, int $value): void;
+
+    /**
+     * Sets a single floating point value.
+     *
+     * @param string $name Name of the value to save.
+     * @param float $value Value to save.
+     */
+    public function setFloat(string $name, float $value): void;
+
+    /**
+     * Sets a single boolean value.
+     *
+     * @param string $name Name of the value to save.
+     * @param bool $value Value to save.
+     */
+    public function setBoolean(string $name, bool $value): void;
+
+    /**
+     * Sets an array value.
+     *
+     * @param string $name Name of the value to save.
+     * @param mixed[] $value Value to save.
+     */
+    public function setArray(string $name, array $value): void;
+}
diff --git a/src/IConfigValueInfo.php b/src/IConfigValueInfo.php
new file mode 100644
index 0000000..8fa7a93
--- /dev/null
+++ b/src/IConfigValueInfo.php
@@ -0,0 +1,109 @@
+<?php
+// IConfigValueInfo.php
+// Created: 2023-10-20
+// Updated: 2023-10-20
+
+namespace Syokuhou;
+
+use Stringable;
+
+/**
+ * Provides a common interface for configuration values.
+ */
+interface IConfigValueInfo extends Stringable {
+    /**
+     * Gets the name of this configuration value.
+     *
+     * @return string Configuration value name.
+     */
+    public function getName(): string;
+
+    /**
+     * Gets the type of this configuration value.
+     *
+     * @return string Configuration value type name.
+     */
+    public function getType(): string;
+
+    /**
+     * Checks whether the value is a string.
+     *
+     * @return bool True if the value is a string.
+     */
+    public function isString(): bool;
+
+    /**
+     * Checks whether the value is an integer.
+     *
+     * @return bool True if the value is an integer.
+     */
+    public function isInteger(): bool;
+
+    /**
+     * Checks whether the value is a floating point number.
+     *
+     * @return bool True if the value is a floating point number.
+     */
+    public function isFloat(): bool;
+
+    /**
+     * Checks whether the value is a boolean.
+     *
+     * @return bool True if the value is a boolean.
+     */
+    public function isBoolean(): bool;
+
+    /**
+     * Checks whether the value is an array.
+     *
+     * @return bool True if the value is an array.
+     */
+    public function isArray(): bool;
+
+    /**
+     * Gets the raw value without any type validation.
+     *
+     * @return mixed The configuration value.
+     */
+    public function getValue(): mixed;
+
+    /**
+     * Ensures the value is a string and returns the value.
+     *
+     * @throws \UnexpectedValueException If the value is not a string.
+     * @return string String configuration value.
+     */
+    public function getString(): string;
+
+    /**
+     * Ensures the value is an integer and returns the value.
+     *
+     * @throws \UnexpectedValueException If the value is not an integer.
+     * @return int Integer configuration value.
+     */
+    public function getInteger(): int;
+
+    /**
+     * Ensures the value is a floating point number and returns the value.
+     *
+     * @throws \UnexpectedValueException If the value is not a floating point number.
+     * @return float Floating point number configuration value.
+     */
+    public function getFloat(): float;
+
+    /**
+     * Ensures the value is a boolean and returns the value.
+     *
+     * @throws \UnexpectedValueException If the value is not a boolean.
+     * @return bool Boolean configuration value.
+     */
+    public function getBoolean(): bool;
+
+    /**
+     * Ensures the value is an array and returns the value.
+     *
+     * @throws \UnexpectedValueException If the value is not an array.
+     * @return mixed[] Array configuration value.
+     */
+    public function getArray(): array;
+}
diff --git a/src/ImmutableConfigTrait.php b/src/ImmutableConfigTrait.php
new file mode 100644
index 0000000..a1afe30
--- /dev/null
+++ b/src/ImmutableConfigTrait.php
@@ -0,0 +1,41 @@
+<?php
+// ImmutableConfigTrait.php
+// Created: 2023-10-20
+// Updated: 2023-10-20
+
+namespace Syokuhou;
+
+use RuntimeException;
+
+/**
+ * Intercepts mutable methods required to be implemented by {@see IConfig} and returns exceptions.
+ */
+trait ImmutableConfigTrait {
+    public function removeValues(string|array $names): void {
+        throw new RuntimeException('This configuration is read only.');
+    }
+
+    public function setValues(array $values): void {
+        throw new RuntimeException('This configuration is read only.');
+    }
+
+    public function setString(string $name, string $value): void {
+        throw new RuntimeException('This configuration is read only.');
+    }
+
+    public function setInteger(string $name, int $value): void {
+        throw new RuntimeException('This configuration is read only.');
+    }
+
+    public function setFloat(string $name, float $value): void {
+        throw new RuntimeException('This configuration is read only.');
+    }
+
+    public function setBoolean(string $name, bool $value): void {
+        throw new RuntimeException('This configuration is read only.');
+    }
+
+    public function setArray(string $name, array $value): void {
+        throw new RuntimeException('This configuration is read only.');
+    }
+}
diff --git a/src/MutableConfigTrait.php b/src/MutableConfigTrait.php
new file mode 100644
index 0000000..97a9111
--- /dev/null
+++ b/src/MutableConfigTrait.php
@@ -0,0 +1,31 @@
+<?php
+// MutableConfigTrait.php
+// Created: 2023-10-20
+// Updated: 2023-10-20
+
+namespace Syokuhou;
+
+/**
+ * Defines set aliases so you don't have to.
+ */
+trait MutableConfigTrait {
+    public function setString(string $name, string $value): void {
+        $this->setValues([$name => $value]);
+    }
+
+    public function setInteger(string $name, int $value): void {
+        $this->setValues([$name => $value]);
+    }
+
+    public function setFloat(string $name, float $value): void {
+        $this->setValues([$name => $value]);
+    }
+
+    public function setBoolean(string $name, bool $value): void {
+        $this->setValues([$name => $value]);
+    }
+
+    public function setArray(string $name, array $value): void {
+        $this->setValues([$name => $value]);
+    }
+}
diff --git a/src/NullConfig.php b/src/NullConfig.php
new file mode 100644
index 0000000..ac2d789
--- /dev/null
+++ b/src/NullConfig.php
@@ -0,0 +1,67 @@
+<?php
+// NullConfig.php
+// Created: 2023-10-20
+// Updated: 2023-10-20
+
+namespace Syokuhou;
+
+/**
+ * Provides a black hole configuration that will always return the default values.
+ */
+class NullConfig implements IConfig {
+    use GetValuesTrait;
+
+    public function __construct() {}
+
+    public function getSeparator(): string {
+        return "\0";
+    }
+
+    public function scopeTo(string ...$prefix): IConfig {
+        return $this;
+    }
+
+    public function hasValues(string|array $names): bool {
+        return is_array($names) && empty($names);
+    }
+
+    public function getAllValueInfos(int $range = 0, int $offset = 0): array {
+        return [];
+    }
+
+    public function getValueInfos(string|array $names): array {
+        return [];
+    }
+
+    public function getValueInfo(string $name): ?IConfigValueInfo {
+        return null;
+    }
+
+    public function getString(string $name, string $default = ''): string {
+        return $default;
+    }
+
+    public function getInteger(string $name, int $default = 0): int {
+        return $default;
+    }
+
+    public function getFloat(string $name, float $default = 0): float {
+        return $default;
+    }
+
+    public function getBoolean(string $name, bool $default = false): bool {
+        return $default;
+    }
+
+    public function getArray(string $name, array $default = []): array {
+        return $default;
+    }
+
+    public function removeValues(string|array $names): void {}
+    public function setValues(array $values): void {}
+    public function setString(string $name, string $value): void {}
+    public function setInteger(string $name, int $value): void {}
+    public function setFloat(string $name, float $value): void {}
+    public function setBoolean(string $name, bool $value): void {}
+    public function setArray(string $name, array $value): void {}
+}
diff --git a/src/ScopedConfig.php b/src/ScopedConfig.php
new file mode 100644
index 0000000..7a1ee88
--- /dev/null
+++ b/src/ScopedConfig.php
@@ -0,0 +1,156 @@
+<?php
+// ScopedConfig.php
+// Created: 2023-10-20
+// Updated: 2023-10-20
+
+namespace Syokuhou;
+
+use InvalidArgumentException;
+
+/**
+ * Provides a scoped configuration instead.
+ */
+class ScopedConfig implements IConfig {
+    private IConfig $config;
+    private string $prefix;
+    /** @var non-empty-array<string> */
+    private array $prefixRaw;
+    private int $prefixLength;
+
+    /** @param string[] $prefixRaw */
+    public function __construct(IConfig $config, array $prefixRaw) {
+        if(empty($prefixRaw))
+            throw new InvalidArgumentException('$prefix may not be empty.');
+
+        $scopeChar = $config->getSeparator();
+        $prefix = implode($scopeChar, $prefixRaw) . $scopeChar;
+
+        $this->config = $config;
+        $this->prefix = $prefix;
+        $this->prefixRaw = $prefixRaw;
+        $this->prefixLength = strlen($prefix);
+    }
+
+    /**
+     * @param string|string[] $names
+     * @return string[]
+     */
+    private function prefixNames(string|array $names): array {
+        if(is_string($names))
+            return [$this->prefix . $names];
+
+        foreach($names as $key => $name)
+            $names[$key] = $this->prefix . $name;
+
+        return $names;
+    }
+
+    private function prefixName(string $name): string {
+        return $this->prefix . $name;
+    }
+
+    public function scopeTo(string ...$prefix): IConfig {
+        return $this->config->scopeTo(...array_merge($this->prefixRaw, $prefix));
+    }
+
+    public function getSeparator(): string {
+        return $this->config->getSeparator();
+    }
+
+    public function hasValues(string|array $names): bool {
+        return $this->config->hasValues($this->prefixNames($names));
+    }
+
+    public function removeValues(string|array $names): void {
+        $this->config->removeValues($this->prefixNames($names));
+    }
+
+    public function getAllValueInfos(int $range = 0, int $offset = 0): array {
+        $infos = $this->config->getAllValueInfos($range, $offset);
+        foreach($infos as $key => $info)
+            $infos[$key] = new ScopedConfigValueInfo($info, $this->prefixLength);
+        return $infos;
+    }
+
+    public function getValueInfos(string|array $names): array {
+        $infos = $this->config->getValueInfos($this->prefixNames($names));
+        foreach($infos as $key => $info)
+            $infos[$key] = new ScopedConfigValueInfo($info, $this->prefixLength);
+        return $infos;
+    }
+
+    public function getValueInfo(string $name): ?IConfigValueInfo {
+        $info = $this->config->getValueInfo($this->prefixName($name));
+        if($info !== null)
+            $info = new ScopedConfigValueInfo($info, $this->prefixLength);
+        return $info;
+    }
+
+    public function getValues(array $specs): array {
+        foreach($specs as $key => $spec) {
+            if(is_string($spec))
+                $specs[$key] = $this->prefixName($spec);
+            elseif(is_array($spec) && !empty($spec))
+                $specs[$key][0] = $this->prefixName($spec[0]);
+            else
+                throw new InvalidArgumentException('$specs array contains an invalid entry.');
+        }
+
+        $results = [];
+        foreach($this->config->getValues($specs) as $name => $result)
+            // prefix removal should probably be done with a whitelist of sorts
+            $results[str_starts_with($name, $this->prefix) ? substr($name, $this->prefixLength) : $name] = $result;
+
+        return $results;
+    }
+
+    public function getString(string $name, string $default = ''): string {
+        return $this->config->getString($this->prefixName($name), $default);
+    }
+
+    public function getInteger(string $name, int $default = 0): int {
+        return $this->config->getInteger($this->prefixName($name), $default);
+    }
+
+    public function getFloat(string $name, float $default = 0): float {
+        return $this->config->getFloat($this->prefixName($name), $default);
+    }
+
+    public function getBoolean(string $name, bool $default = false): bool {
+        return $this->config->getBoolean($this->prefixName($name), $default);
+    }
+
+    public function getArray(string $name, array $default = []): array {
+        return $this->config->getArray($this->prefixName($name), $default);
+    }
+
+    public function setValues(array $values): void {
+        if(empty($values))
+            return;
+
+        $prefixed = [];
+        foreach($values as $name => $value)
+            $prefixed[$this->prefixName($name)] = $value;
+        $this->config->setValues($values);
+    }
+
+    public function setString(string $name, string $value): void {
+        $this->config->setString($this->prefixName($name), $value);
+    }
+
+    public function setInteger(string $name, int $value): void {
+        $this->config->setInteger($this->prefixName($name), $value);
+    }
+
+    public function setFloat(string $name, float $value): void {
+        $this->config->setFloat($this->prefixName($name), $value);
+    }
+
+    public function setBoolean(string $name, bool $value): void {
+        $this->config->setBoolean($this->prefixName($name), $value);
+    }
+
+    public function setArray(string $name, array $value): void {
+        $this->config->setArray($this->prefixName($name), $value);
+    }
+}
diff --git a/src/ScopedConfigValueInfo.php b/src/ScopedConfigValueInfo.php
new file mode 100644
index 0000000..39d40f7
--- /dev/null
+++ b/src/ScopedConfigValueInfo.php
@@ -0,0 +1,82 @@
+<?php
+// ScopedConfigValueInfo.php
+// Created: 2023-10-20
+// Updated: 2023-10-20
+
+namespace Syokuhou;
+
+/**
+ * Provides information about a scoped configuration value.
+ */
+class ScopedConfigValueInfo implements IConfigValueInfo {
+    /** @internal */
+    public function __construct(
+        private IConfigValueInfo $info,
+        private int $prefixLength
+    ) {}
+
+    public function getName(): string {
+        return substr($this->info->getName(), $this->prefixLength);
+    }
+
+    /**
+     * Gets the real name of the configuration value, without removing the prefix.
+     *
+     * @return string Unprefixed configuration value.
+     */
+    public function getRealName(): string {
+        return $this->info->getName();
+    }
+
+    public function getType(): string {
+        return $this->info->getType();
+    }
+
+    public function isString(): bool {
+        return $this->info->isString();
+    }
+
+    public function isInteger(): bool {
+        return $this->info->isInteger();
+    }
+
+    public function isFloat(): bool {
+        return $this->info->isFloat();
+    }
+
+    public function isBoolean(): bool {
+        return $this->info->isBoolean();
+    }
+
+    public function isArray(): bool {
+        return $this->info->isArray();
+    }
+
+    public function getValue(): mixed {
+        return $this->info->getValue();
+    }
+
+    public function getString(): string {
+        return $this->info->getString();
+    }
+
+    public function getInteger(): int {
+        return $this->info->getInteger();
+    }
+
+    public function getFloat(): float {
+        return $this->info->getFloat();
+    }
+
+    public function getBoolean(): bool {
+        return $this->info->getBoolean();
+    }
+
+    public function getArray(): array {
+        return $this->info->getArray();
+    }
+
+    public function __toString(): string {
+        return (string)$this->info;
+    }
+}
diff --git a/src/SharpConfig.php b/src/SharpConfig.php
new file mode 100644
index 0000000..989b200
--- /dev/null
+++ b/src/SharpConfig.php
@@ -0,0 +1,136 @@
+<?php
+// SharpConfig.php
+// Created: 2023-10-20
+// Updated: 2023-10-20
+
+namespace Syokuhou;
+
+use InvalidArgumentException;
+use Index\IO\FileStream;
+use Index\IO\Stream;
+
+/**
+ * Provides a configuration in SharpChat format.
+ */
+class SharpConfig implements IConfig {
+    use ImmutableConfigTrait, GetValueInfoTrait, GetValuesTrait;
+
+    /**
+     * @param array<string, SharpConfigValueInfo> $values
+     */
+    public function __construct(private array $values) {}
+
+    public function getSeparator(): string {
+        return ':';
+    }
+
+    public function scopeTo(string ...$prefix): IConfig {
+        return new ScopedConfig($this, $prefix);
+    }
+
+    public function hasValues(string|array $names): bool {
+        if(is_string($names))
+            return array_key_exists($names, $this->values);
+
+        foreach($names as $name)
+            if(!array_key_exists($name, $this->values))
+                return false;
+
+        return true;
+    }
+
+    public function getAllValueInfos(int $range = 0, int $offset = 0): array {
+        if($range === 0)
+            return array_values($this->values);
+
+        if($range < 0)
+            throw new InvalidArgumentException('$range must be a positive integer.');
+        if($offset < 0)
+            throw new InvalidArgumentException('$offset must be greater than zero if a range is specified.');
+
+        return array_slice($this->values, $offset, $range);
+    }
+
+    public function getValueInfos(string|array $names): array {
+        if(is_string($names))
+            return array_key_exists($names, $this->values) ? [$this->values[$names]] : [];
+
+        $infos = [];
+
+        foreach($names as $name)
+            if(array_key_exists($name, $this->values))
+                $infos[] = $this->values[$name];
+
+        return $infos;
+    }
+
+    /**
+     * Creates an instance of SharpConfig from an array of lines.
+     *
+     * @param string[] $lines Config lines.
+     * @return SharpConfig
+     */
+    public static function fromLines(array $lines): self {
+        $values = [];
+
+        foreach($lines as $line) {
+            $line = trim($line);
+            if($line === '' || $line[0] === '#' || $line[0] === ';')
+                continue;
+
+            $info = new SharpConfigValueInfo(...explode(' ', $line, 2));
+            $values[$info->getName()] = $info;
+        }
+
+        return new SharpConfig($values);
+    }
+
+    /**
+     * Creates an instance of SharpConfig from a string.
+     *
+     * @param string $lines Config lines.
+     * @param non-empty-string $newLine Line separator character.
+     * @return SharpConfig
+     */
+    public static function fromString(string $lines, string $newLine = "\n"): self {
+        return self::fromLines(explode($newLine, $lines));
+    }
+
+    /**
+     * Creates an instance of SharpConfig from a file.
+     *
+     * @param string $path Config file path.
+     * @throws InvalidArgumentException If $path does not exist.
+     * @return SharpConfig
+     */
+    public static function fromFile(string $path): self {
+        if(!is_file($path))
+            throw new InvalidArgumentException('$path does not exist.');
+
+        return self::fromStream(FileStream::openRead($path));
+    }
+
+    /**
+     * Creates an instance of SharpConfig from a readable stream.
+     *
+     * @param Stream $stream Config file stream.
+     * @throws InvalidArgumentException If $stream is not readable.
+     * @return SharpConfig
+     */
+    public static function fromStream(Stream $stream): self {
+        if(!$stream->canRead())
+            throw new InvalidArgumentException('$stream must be readable.');
+
+        $values = [];
+        while(($line = $stream->readLine()) !== null) {
+            $line = trim($line);
+            if($line === '' || $line[0] === '#' || $line[0] === ';')
+                continue;
+
+            $info = new SharpConfigValueInfo(...explode(' ', $line, 2));
+            $values[$info->getName()] = $info;
+        }
+
+        return new SharpConfig($values);
+    }
+}
diff --git a/src/SharpConfigValueInfo.php b/src/SharpConfigValueInfo.php
new file mode 100644
index 0000000..b8010e8
--- /dev/null
+++ b/src/SharpConfigValueInfo.php
@@ -0,0 +1,75 @@
+<?php
+// SharpConfigValueInfo.php
+// Created: 2023-10-20
+// Updated: 2023-10-20
+
+namespace Syokuhou;
+
+class SharpConfigValueInfo implements IConfigValueInfo {
+    private string $name;
+    private string $value;
+
+    /** @internal */
+    public function __construct(string $name, string $value = '') {
+        $this->name = $name;
+        $this->value = trim($value);
+    }
+
+    public function getName(): string {
+        return $this->name;
+    }
+
+    public function getType(): string {
+        // SharpChat config format is just all strings and casts on demand
+        return 'string';
+    }
+
+    public function isString(): bool {
+        return true;
+    }
+
+    public function isInteger(): bool {
+        return true;
+    }
+
+    public function isFloat(): bool {
+        return true;
+    }
+
+    public function isBoolean(): bool {
+        return true;
+    }
+
+    public function isArray(): bool {
+        return true;
+    }
+
+    public function getValue(): mixed {
+        return $this->value;
+    }
+
+    public function getString(): string {
+        return $this->value;
+    }
+
+    public function getInteger(): int {
+        return (int)$this->value;
+    }
+
+    public function getFloat(): float {
+        return (float)$this->value;
+    }
+
+    public function getBoolean(): bool {
+        return $this->value !== '0'
+            && strcasecmp($this->value, 'false') !== 0;
+    }
+
+    public function getArray(): array {
+        return explode(' ', $this->value);
+    }
+
+    public function __toString(): string {
+        return $this->value;
+    }
+}
diff --git a/src/SyokuhouInfo.php b/src/SyokuhouInfo.php
new file mode 100644
index 0000000..893c757
--- /dev/null
+++ b/src/SyokuhouInfo.php
@@ -0,0 +1,45 @@
+<?php
+// SyokuhouInfo.php
+// Created: 2023-10-20
+// Updated: 2023-10-20
+
+namespace Syokuhou;
+
+use UnexpectedValueException;
+use Index\Version;
+
+/**
+ * Retrieves library info.
+ */
+final class SyokuhouInfo {
+    private static ?string $versionString = null;
+    private static ?Version $version = null;
+
+    /**
+     * Returns the current version of the library.
+     *
+     * @return Version
+     */
+    public static function getVersion(): Version {
+        if(self::$version === null)
+            self::$version = Version::parse(self::getVersionString());
+
+        return self::$version;
+    }
+
+    /**
+     * Returns the current version of the library as a string.
+     *
+     * @return string
+     */
+    public static function getVersionString(): string {
+        if(self::$versionString === null) {
+            $body = file_get_contents(__DIR__ . '/../VERSION');
+            if($body === false)
+                throw new UnexpectedValueException('Was unable to read VERSION file.');
+            self::$versionString = trim($body);
+        }
+
+        return self::$versionString;
+    }
+}
diff --git a/tests/DbConfigTest.php b/tests/DbConfigTest.php
new file mode 100644
index 0000000..540a340
--- /dev/null
+++ b/tests/DbConfigTest.php
@@ -0,0 +1,147 @@
+<?php
+// DbConfigTest.php
+// Created: 2023-10-20
+// Updated: 2023-10-20
+
+declare(strict_types=1);
+
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @covers \Syokuhou\DbConfigTest
+ * @covers \Syokuhou\DbConfigValueInfo
+ * @covers \Syokuhou\MutableConfigTrait
+ * @covers \Syokuhou\GetValueInfoTrait
+ * @covers \Syokuhou\GetValuesTrait
+ */
+final class DbConfigTest extends TestCase {
+    private \Syokuhou\DbConfig $config;
+
+    private const VALUES = [
+        'private.allow_password_reset' => 'b:1;',
+        'private.enable' => 'b:0;',
+        'private.msg' => 's:71:"Things are happening. Check back later for something new... eventually.";',
+        'private.perm.cat' => 's:4:"user";',
+        'private.perm.val' => 'i:1;',
+        'site.desc' => 's:38:"The internet\'s last convenience store.";',
+        'site.ext_logo' => 's:51:"https://static.flash.moe/images/flashii-logo-v3.png";',
+        'site.name' => 's:5:"Edgii";',
+        'site.social.bsky' => 's:36:"https://bsky.app/profile/flashii.net";',
+        'site.url' => 's:18:"https://edgii.net/";',
+        'test.array' => 'a:5:{i:0;i:1234;i:1;d:56.789;i:2;s:6:"Mewow!";i:3;b:1;i:4;s:4:"jeff";}',
+        'test.bool' => 'b:1;',
+        'test.float' => 'd:9876.4321;',
+        'test.int' => 'i:243230;',
+    ];
+
+    protected function setUp(): void {
+        $dbConn = \Index\Data\DbTools::create('sqlite::memory:');
+        $dbConn->execute('CREATE TABLE skh_config (config_name TEXT NOT NULL COLLATE NOCASE, config_value BLOB NOT NULL, PRIMARY KEY (config_name))');
+
+        $stmt = $dbConn->prepare('INSERT INTO skh_config (config_name, config_value) VALUES (?, ?)');
+        foreach(self::VALUES as $name => $value) {
+            $stmt->addParameter(1, $name);
+            $stmt->addParameter(2, $value);
+            $stmt->execute();
+        }
+
+        $this->config = new \Syokuhou\DbConfig($dbConn, 'skh_config');
+    }
+
+    public function testScoping(): void {
+        $this->assertEquals('user', $this->config->getString('private.perm.cat'));
+        $this->assertEquals('Edgii', $this->config->getString('site.name'));
+
+        $scoped = $this->config->scopeTo('private', 'perm');
+        $this->assertEquals('user', $scoped->getString('cat'));
+    }
+
+    public function testHasValues(): void {
+        // hasValues should always return true when the list is empty
+        $this->assertTrue($this->config->hasValues([]));
+        $this->assertFalse($this->config->hasValues('meow'));
+        $this->assertTrue($this->config->hasValues('site.desc'));
+        $this->assertTrue($this->config->hasValues(['site.ext_logo', 'site.url']));
+        $this->assertFalse($this->config->hasValues(['site.ext_logo', 'site.url', 'site.gun']));
+    }
+
+    public function testGetAllValueInfos(): void {
+        $all = $this->config->getAllValueInfos();
+        $expected = array_keys(self::VALUES);
+        $values = [];
+
+        foreach($all as $info)
+            $values[] = $info->getName();
+
+        $this->assertEquals($expected, $values);
+
+        $subset = $this->config->getAllValueInfos(2, 3);
+        $expected = [
+            'private.perm.cat',
+            'private.perm.val',
+        ];
+        $values = [];
+
+        foreach($subset as $info)
+            $values[] = $info->getName();
+
+        $this->assertEquals($expected, $values);
+    }
+
+    public function testGetValues(): void {
+        $this->assertNull($this->config->getValueInfo('doesnotexist'));
+
+        $scoped = $this->config->scopeTo('private', 'perm');
+
+        $expected = ['private.perm.cat' => 'user', 'private.perm.val' => 1];
+        $values = [];
+        $valueInfos = $scoped->getValueInfos(['cat', 'val', 'poop']);
+        foreach($valueInfos as $valueInfo)
+            $values[$valueInfo->getRealName()] = $valueInfo->getValue();
+
+        $this->assertEquals($expected, $values);
+
+        $scoped = $this->config->scopeTo('site')->scopeTo('social');
+
+        $expected = [
+            'bsky' => 'https://bsky.app/profile/flashii.net',
+            'bsky_show' => true,
+            'twitter' => '',
+            'twitterShow' => false,
+        ];
+        $values = $scoped->getValues([
+            'bsky',
+            ['bsky_show:b', true],
+            'twitter:s',
+            ['twitter_show:b', false, 'twitterShow'],
+        ]);
+
+        $this->assertEquals($expected, $values);
+
+        $this->assertEquals('', $this->config->getString('none.string'));
+        $this->assertEquals('test', $this->config->getString('none.string', 'test'));
+        $this->assertEquals('https://edgii.net/', $this->config->getString('site.url'));
+        $this->assertEquals(0, $this->config->getInteger('site.url'));
+
+        $this->assertEquals(0, $this->config->getInteger('none.int'));
+        $this->assertEquals(10, $this->config->getInteger('none.int', 10));
+        $this->assertEquals(243230, $this->config->getInteger('test.int'));
+        $this->assertEquals('', $this->config->getString('test.int'));
+
+        $this->assertEquals(0, $this->config->getFloat('none.float'));
+        $this->assertEquals(0.1, $this->config->getFloat('none.float', 0.1));
+        $this->assertEquals(9876.4321, $this->config->getFloat('test.float'));
+        $this->assertEmpty($this->config->getArray('test.float'));
+
+        $this->assertEquals(false, $this->config->getBoolean('none.bool'));
+        $this->assertEquals(true, $this->config->getBoolean('none.bool', true));
+        $this->assertEquals(true, $this->config->getBoolean('test.bool'));
+        $this->assertEquals(false, $this->config->getBoolean('private.msg'));
+        $this->assertEquals(0, $this->config->getFloat('test.bool'));
+
+        $this->assertEmpty($this->config->getArray('none.array'));
+        $this->assertEquals(['de', 'het', 'een'], $this->config->getArray('none.array', ['de', 'het', 'een']));
+        $this->assertEquals([1234, 56.789, 'Mewow!', true, 'jeff'], $this->config->getArray('test.array'));
+        $this->assertEquals(false, $this->config->getBoolean('test.array'));
+    }
+}
diff --git a/tests/NullConfigTest.php b/tests/NullConfigTest.php
new file mode 100644
index 0000000..5f44c7f
--- /dev/null
+++ b/tests/NullConfigTest.php
@@ -0,0 +1,80 @@
+<?php
+// NullConfigTest.php
+// Created: 2023-10-20
+// Updated: 2023-10-20
+
+declare(strict_types=1);
+
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @covers \Syokuhou\NullConfig
+ * @covers \Syokuhou\GetValuesTrait
+ */
+final class NullConfigTest extends TestCase {
+    public function testNullConfig(): void {
+        $config = new \Syokuhou\NullConfig;
+
+        // no-ops but run anyway to ensure no screaming
+        $config->removeValues('test');
+        $config->setString('stringval', 'the');
+        $config->setInteger('intval', 1234);
+        $config->setFloat('floatval', 56.78);
+        $config->setBoolean('boolval', true);
+        $config->setArray('arrval', ['meow']);
+        $config->setValues([
+            'stringval' => 'the',
+            'intval' => 1234,
+            'floatval' => 56.78,
+            'boolval' => true,
+            'arrval' => ['meow'],
+        ]);
+
+        // NullConfig currently returns itself when scoping
+        // might change this depending on whether the scope prefix will be exposed or not
+        $scoped = $config->scopeTo('scoped');
+        $this->assertEquals($config, $scoped);
+
+        // hasValues should always return true when the list is empty
+        $this->assertTrue($config->hasValues([]));
+        $this->assertFalse($config->hasValues('anything'));
+        $this->assertFalse($config->hasValues(['manything1', 'manything2']));
+
+        $this->assertEmpty($config->getAllValueInfos());
+        $this->assertEmpty($config->getValueInfos('the'));
+
+        $expected = [
+            'test_no_type' => null,
+            'test_yes_type' => false,
+            'test_no_type_yes_default' => 1234,
+            'test_yes_type_yes_default' => 56.78,
+            'aliased' => null,
+        ];
+        $values = $config->getValues([
+            'test_no_type',
+            'test_yes_type:b',
+            ['test_no_type_yes_default', 1234],
+            ['test_yes_type_yes_default:d', 56.78],
+            ['test_no_default_yes_alias', null, 'aliased'],
+        ]);
+
+        $this->assertEqualsCanonicalizing($expected, $values);
+
+        $this->assertNull($config->getValueInfo('value'));
+
+        $this->assertEquals('', $config->getString('string'));
+        $this->assertEquals('default', $config->getString('string', 'default'));
+
+        $this->assertEquals(0, $config->getInteger('int'));
+        $this->assertEquals(960, $config->getInteger('int', 960));
+
+        $this->assertEquals(0, $config->getFloat('float'));
+        $this->assertEquals(67.7, $config->getFloat('float', 67.7));
+
+        $this->assertFalse($config->getBoolean('bool'));
+        $this->assertTrue($config->getBoolean('bool', true));
+
+        $this->assertEmpty($config->getArray('arr'));
+        $this->assertEqualsCanonicalizing(['de', 'het', 'een'], $config->getArray('the', ['de', 'het', 'een']));
+    }
+}
diff --git a/tests/SharpConfigTest.php b/tests/SharpConfigTest.php
new file mode 100644
index 0000000..5b8d36a
--- /dev/null
+++ b/tests/SharpConfigTest.php
@@ -0,0 +1,190 @@
+<?php
+// SharpConfigTest.php
+// Created: 2023-10-20
+// Updated: 2023-10-20
+
+declare(strict_types=1);
+
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @covers \Syokuhou\SharpConfig
+ * @covers \Syokuhou\SharpConfigValueInfo
+ * @covers \Syokuhou\ImmutableConfigTrait
+ * @covers \Syokuhou\GetValueInfoTrait
+ * @covers \Syokuhou\GetValuesTrait
+ */
+final class SharpConfigTest extends TestCase {
+    public function testImmutableRemove(): void {
+        $this->expectException(\RuntimeException::class);
+        \Syokuhou\SharpConfig::fromString('test value')->removeValues('test');
+    }
+
+    public function testImmutableSetString(): void {
+        $this->expectException(\RuntimeException::class);
+        \Syokuhou\SharpConfig::fromString('test value')->setString('test', 'the');
+    }
+
+    public function testImmutableSetInteger(): void {
+        $this->expectException(\RuntimeException::class);
+        \Syokuhou\SharpConfig::fromString('test 1234')->setInteger('test', 5678);
+    }
+
+    public function testImmutableSetFloat(): void {
+        $this->expectException(\RuntimeException::class);
+        \Syokuhou\SharpConfig::fromString('test 56.78')->setFloat('test', 12.34);
+    }
+
+    public function testImmutableSetBoolean(): void {
+        $this->expectException(\RuntimeException::class);
+        \Syokuhou\SharpConfig::fromString('test true')->setBoolean('test', false);
+    }
+
+    public function testImmutableSetArray(): void {
+        $this->expectException(\RuntimeException::class);
+        \Syokuhou\SharpConfig::fromString('test words words words')->setArray('test', ['meow', 'meow', 'meow']);
+    }
+
+    public function testImmutableSetValues(): void {
+        $this->expectException(\RuntimeException::class);
+        \Syokuhou\SharpConfig::fromString('')->setValues([
+            'stringval' => 'the',
+            'intval' => 1234,
+            'floatval' => 56.78,
+            'boolval' => true,
+            'arrval' => ['meow'],
+        ]);
+    }
+
+    public function testScoping(): void {
+        $config = \Syokuhou\SharpConfig::fromLines([
+            'test Inaccessible',
+            'scoped:test Accessible',
+        ]);
+
+        $this->assertEquals('Inaccessible', $config->getString('test'));
+        $this->assertEquals('Accessible', $config->getString('scoped:test'));
+
+        $scoped = $config->scopeTo('scoped');
+        $this->assertEquals('Accessible', $scoped->getString('test'));
+    }
+
+    public function testHasValues(): void {
+        $config = \Syokuhou\SharpConfig::fromLines([
+            'test 123',
+            'scoped:test true',
+            'scoped:meow meow',
+        ]);
+
+        // hasValues should always return true when the list is empty
+        $this->assertTrue($config->hasValues([]));
+        $this->assertFalse($config->hasValues('meow'));
+        $this->assertTrue($config->hasValues('test'));
+        $this->assertFalse($config->hasValues(['test', 'meow']));
+        $this->assertTrue($config->hasValues(['scoped:test', 'scoped:meow']));
+    }
+
+    public function testGetAllValueInfos(): void {
+        $config = \Syokuhou\SharpConfig::fromFile(__DIR__ . '/sharpchat.cfg');
+
+        $all = $config->getAllValueInfos();
+        $expected = [
+            'chat:port',
+            'chat:msgMaxLength',
+            'chat:floodKickLength',
+            'chat:channels',
+            'chat:channels:lounge:name',
+            'chat:channels:lounge:autoJoin',
+            'chat:channels:prog:name',
+            'chat:channels:games:name',
+            'chat:channels:splat:name',
+            'chat:channels:passwd:name',
+            'chat:channels:passwd:password',
+            'chat:channels:staff:name',
+            'chat:channels:staff:minRank',
+            'msz:secret',
+            'msz:url',
+            'mariadb:host',
+            'mariadb:user',
+            'mariadb:pass',
+            'mariadb:db',
+        ];
+        $values = [];
+
+        foreach($all as $info)
+            $values[] = $info->getName();
+
+        $this->assertEquals($expected, $values);
+
+        $subset = $config->getAllValueInfos(3, 6);
+        $expected = [
+            'chat:channels:prog:name',
+            'chat:channels:games:name',
+            'chat:channels:splat:name',
+        ];
+        $values = [];
+
+        foreach($subset as $info)
+            $values[] = $info->getName();
+
+        $this->assertEquals($expected, $values);
+    }
+
+    public function testGetValues(): void {
+        $config = \Syokuhou\SharpConfig::fromFile(__DIR__ . '/sharpchat.cfg');
+
+        $this->assertNull($config->getValueInfo('doesnotexist'));
+
+        $scoped = $config->scopeTo('chat')->scopeTo('channels', 'passwd');
+
+        $expected = ['chat:channels:passwd:name' => 'Password', 'chat:channels:passwd:password' => 'meow'];
+        $values = [];
+        $valueInfos = $scoped->getValueInfos(['name', 'password', 'minRank']);
+        foreach($valueInfos as $valueInfo)
+            $values[$valueInfo->getRealName()] = $valueInfo->getValue();
+
+        $this->assertEquals($expected, $values);
+
+        $scoped = $config->scopeTo('chat', 'channels', 'lounge');
+
+        $expected = [
+            'name' => 'Lounge',
+            'auto_join' => true,
+            'minRank' => 0,
+        ];
+        $values = $scoped->getValues([
+            'name',
+            ['autoJoin:b', false, 'auto_join'],
+            'minRank:i',
+        ]);
+
+        $this->assertEquals($expected, $values);
+
+        $this->assertEquals('', $config->getString('msz:url2'));
+        $this->assertEquals('test', $config->getString('msz:url2', 'test'));
+        $this->assertEquals('https://flashii.net/_sockchat', $config->getString('msz:url'));
+
+        $this->assertEquals(0, $config->getInteger('chat:connMaxCount'));
+        $this->assertEquals(10, $config->getInteger('chat:connMaxCount', 10));
+        $this->assertEquals(30, $config->getInteger('chat:floodKickLength'));
+        $this->assertEquals('30', $config->getString('chat:floodKickLength'));
+
+        $this->assertEquals(0, $config->getFloat('boat'));
+        $this->assertEquals(0.1, $config->getFloat('boat', 0.1));
+        $this->assertEquals(192.168, $config->getFloat('mariadb:host'));
+        $this->assertEquals('192.168.0.123', $config->getString('mariadb:host'));
+
+        $this->assertEquals(false, $config->getBoolean('nonexist'));
+        $this->assertEquals(true, $config->getBoolean('nonexist', true));
+        $this->assertEquals(true, $config->getBoolean('chat:channels:lounge:autoJoin'));
+        $this->assertEquals('true', $config->getString('chat:channels:lounge:autoJoin'));
+        $this->assertEquals(true, $config->getBoolean('mariadb:db'));
+
+        $this->assertEmpty($config->getArray('nonexist'));
+        $this->assertEquals(['de', 'het', 'een'], $config->getArray('nonexist', ['de', 'het', 'een']));
+        $this->assertEquals(['lounge', 'prog', 'games', 'splat', 'passwd', 'staff'], $config->getArray('chat:channels'));
+        $this->assertEquals('lounge prog games splat passwd staff', $config->getString('chat:channels'));
+        $this->assertEquals(['fake', 'secret', 'meow'], $config->getArray('msz:secret'));
+        $this->assertEquals('fake secret meow', $config->getString('msz:secret'));
+    }
+}
diff --git a/tests/SyokuhouTest.php b/tests/SyokuhouTest.php
new file mode 100644
index 0000000..0afe977
--- /dev/null
+++ b/tests/SyokuhouTest.php
@@ -0,0 +1,19 @@
+<?php
+// SyokuhouTest.php
+// Created: 2023-10-20
+// Updated: 2023-10-20
+
+declare(strict_types=1);
+
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @covers \Syokuhou\SyokuhouInfo
+ */
+final class SyokuhouTest extends TestCase {
+    public function testVersionDecode(): void {
+        $expected = trim(file_get_contents(__DIR__ . '/../VERSION'));
+        $this->assertEquals($expected, \Syokuhou\SyokuhouInfo::getVersionString());
+        $this->assertEquals($expected, (string)\Syokuhou\SyokuhouInfo::getVersion());
+    }
+}
diff --git a/tests/sharpchat.cfg b/tests/sharpchat.cfg
new file mode 100644
index 0000000..20fe9e1
--- /dev/null
+++ b/tests/sharpchat.cfg
@@ -0,0 +1,36 @@
+# and ; can be used at the start of a line for comments.
+
+# General Configuration
+chat:port            6770
+chat:msgMaxLength    5000
+#chat:connMaxCount   5
+chat:floodKickLength 30
+
+# Channels
+chat:channels lounge prog games splat passwd staff
+
+# Lounge channel settings
+chat:channels:lounge:name     Lounge
+chat:channels:lounge:autoJoin true
+
+chat:channels:prog:name Programming
+chat:channels:games:name Games
+chat:channels:splat:name Splatoon
+
+# Passworded channel
+chat:channels:passwd:name     Password
+chat:channels:passwd:password meow
+
+# Staff channel settings
+chat:channels:staff:name    Staff
+chat:channels:staff:minRank 5
+
+# Misuzu integration settings
+msz:secret fake secret meow
+msz:url    https://flashii.net/_sockchat
+
+# MariaDB configuration
+mariadb:host 192.168.0.123
+mariadb:user chat
+mariadb:pass nyaa
+mariadb:db   chat
diff --git a/tools/precommit.sh b/tools/precommit.sh
new file mode 100755
index 0000000..98e9fc4
--- /dev/null
+++ b/tools/precommit.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+pushd .
+cd $(dirname "$0")
+
+php update-headers.php
+
+popd
diff --git a/tools/update-headers.php b/tools/update-headers.php
new file mode 100644
index 0000000..8cbd147
--- /dev/null
+++ b/tools/update-headers.php
@@ -0,0 +1,172 @@
+<?php
+// the point of index was so that i wouldn't have to copy things between projects
+// here i am copying things from index
+
+date_default_timezone_set('utc');
+
+function git_changes(): array {
+    $files = [];
+
+    $dir = getcwd();
+    try {
+        chdir(__DIR__ . '/..');
+
+        $output = explode("\n", trim(shell_exec('git status --short --porcelain=v1 --untracked-files=all --no-column')));
+
+        foreach($output as $line) {
+            $line = trim($line);
+            $file = realpath(explode(' ', $line)[1]);
+            $files[] = $file;
+        }
+
+    } finally {
+        chdir($dir);
+    }
+
+    return $files;
+}
+
+function collect_files(string $directory): array {
+    $files = [];
+    $dir = glob(realpath($directory) . DIRECTORY_SEPARATOR . '*');
+
+    foreach($dir as $file) {
+        if(is_dir($file)) {
+            $files = array_merge($files, collect_files($file));
+            continue;
+        }
+
+        $files[] = $file;
+    }
+
+    return $files;
+}
+
+echo 'Indexing changed files according to git...' . PHP_EOL;
+
+$changed = git_changes();
+
+echo 'Collecting files...' . PHP_EOL;
+
+$sources = collect_files(__DIR__ . '/../src');
+$tests = collect_files(__DIR__ . '/../tests');
+
+$files = array_merge($sources, $tests);
+
+$topDir = dirname(__DIR__) . DIRECTORY_SEPARATOR;
+
+$now = date('Y-m-d');
+
+foreach($files as $file) {
+    echo 'Scanning ' . str_replace($topDir, '', $file) . '...' . PHP_EOL;
+
+    try {
+        $handle = fopen($file, 'rb');
+
+        $checkPHP = trim(fgets($handle)) === '<?php';
+        if(!$checkPHP) {
+            echo 'File is not PHP.' . PHP_EOL;
+            continue;
+        }
+
+        $headerLines = [];
+
+        $expectLine = '// ' . basename($file);
+        $nameLine = trim(fgets($handle));
+        if($nameLine !== $expectLine) {
+            echo '  File name is missing or invalid, queuing update...' . PHP_EOL;
+            $headerLines['name'] = $expectLine;
+        }
+
+        $createdPrefix = '// Created: ';
+        $createdLine = trim(fgets($handle));
+        if(strpos($createdLine, $createdPrefix) !== 0) {
+            echo '  Creation date is missing, queuing update...' . PHP_EOL;
+            $headerLines['created'] = $createdPrefix . $now;
+        }
+
+        $updatedPrefix = '// Updated: ';
+        $updatedLine = trim(fgets($handle));
+        $updatedDate = substr($updatedLine, strlen($updatedPrefix));
+        if(strpos($updatedLine, $updatedPrefix) !== 0 || (in_array($file, $changed) && $updatedDate !== $now)) {
+            echo '  Updated date is inaccurate, queuing update...' . PHP_EOL;
+            $headerLines['updated'] = $updatedPrefix . $now;
+        }
+
+        $blankLine = trim(fgets($handle));
+        if(!empty($blankLine)) {
+            echo '  Trailing newline missing, queuing update...' . PHP_EOL;
+            $headerLines['blank'] = '';
+        }
+
+        if(!empty($headerLines)) {
+            fclose($handle);
+
+            try {
+                $tmpName = sys_get_temp_dir() . DIRECTORY_SEPARATOR . 'ndx-uh-' . bin2hex(random_bytes(8)) . '.tmp';
+                copy($file, $tmpName);
+
+                $read = fopen($tmpName, 'rb');
+                $handle = fopen($file, 'wb');
+
+                fwrite($handle, fgets($read));
+
+                $insertAfter = [];
+
+                if(empty($headerLines['name']))
+                    fwrite($handle, fgets($read));
+                else {
+                    $line = fgets($read);
+                    if(strpos($line, '// ') !== 0)
+                        $insertAfter[] = $line;
+
+                    fwrite($handle, $headerLines['name'] . "\n");
+                }
+
+                if(empty($headerLines['created']))
+                    fwrite($handle, fgets($read));
+                else {
+                    $line = fgets($read);
+                    if(strpos($line, '// Created: ') !== 0)
+                        $insertAfter[] = $line;
+
+                    fwrite($handle, $headerLines['created'] . "\n");
+                }
+
+                if(empty($headerLines['updated']))
+                    fwrite($handle, fgets($read));
+                else {
+                    $line = fgets($read);
+                    if(strpos($line, '// Updated: ') !== 0)
+                        $insertAfter[] = $line;
+
+                    fwrite($handle, $headerLines['updated'] . "\n");
+                }
+
+                if(!isset($headerLines['blank']))
+                    fwrite($handle, fgets($read));
+                else {
+                    $line = fgets($read);
+                    if(!empty($line)) {
+                        $insertAfter[] = $line;
+                        fwrite($handle, "\n");
+                    }
+                }
+
+                foreach($insertAfter as $line)
+                    fwrite($handle, $line);
+
+                while(($line = fgets($read)) !== false)
+                    fwrite($handle, $line);
+            } finally {
+                if(is_resource($read))
+                    fclose($read);
+
+                if(is_file($tmpName))
+                    unlink($tmpName);
+            }
+        }
+    } finally {
+        fclose($handle);
+    }
+}