Added database result iterator.
This commit is contained in:
parent
18397477d6
commit
c8d16b02e6
42
composer.lock
generated
42
composer.lock
generated
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@ -68,25 +68,27 @@
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},
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{
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"name": "nikic/php-parser",
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"version": "v4.18.0",
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"version": "v5.0.0",
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"source": {
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"type": "git",
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"url": "https://github.com/nikic/PHP-Parser.git",
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"reference": "1bcbb2179f97633e98bbbc87044ee2611c7d7999"
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"reference": "4a21235f7e56e713259a6f76bf4b5ea08502b9dc"
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},
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"dist": {
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"type": "zip",
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"url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/1bcbb2179f97633e98bbbc87044ee2611c7d7999",
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"reference": "1bcbb2179f97633e98bbbc87044ee2611c7d7999",
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"url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/4a21235f7e56e713259a6f76bf4b5ea08502b9dc",
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"reference": "4a21235f7e56e713259a6f76bf4b5ea08502b9dc",
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"shasum": ""
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},
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"require": {
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"ext-ctype": "*",
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"ext-json": "*",
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"ext-tokenizer": "*",
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"php": ">=7.0"
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"php": ">=7.4"
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},
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"require-dev": {
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"ircmaxell/php-yacc": "^0.0.7",
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"phpunit/phpunit": "^6.5 || ^7.0 || ^8.0 || ^9.0"
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"phpunit/phpunit": "^7.0 || ^8.0 || ^9.0"
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},
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"bin": [
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"bin/php-parse"
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@ -94,7 +96,7 @@
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"type": "library",
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"extra": {
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"branch-alias": {
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"dev-master": "4.9-dev"
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"dev-master": "5.0-dev"
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}
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},
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"autoload": {
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@ -118,9 +120,9 @@
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],
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"support": {
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"issues": "https://github.com/nikic/PHP-Parser/issues",
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"source": "https://github.com/nikic/PHP-Parser/tree/v4.18.0"
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"source": "https://github.com/nikic/PHP-Parser/tree/v5.0.0"
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},
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"time": "2023-12-10T21:03:43+00:00"
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"time": "2024-01-07T17:17:35+00:00"
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},
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{
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"name": "phar-io/manifest",
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@ -235,16 +237,16 @@
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},
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{
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"name": "phpstan/phpstan",
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"version": "1.10.50",
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"version": "1.10.57",
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"source": {
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"type": "git",
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"url": "https://github.com/phpstan/phpstan.git",
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"reference": "06a98513ac72c03e8366b5a0cb00750b487032e4"
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"reference": "1627b1d03446904aaa77593f370c5201d2ecc34e"
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},
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"dist": {
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"type": "zip",
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"url": "https://api.github.com/repos/phpstan/phpstan/zipball/06a98513ac72c03e8366b5a0cb00750b487032e4",
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"reference": "06a98513ac72c03e8366b5a0cb00750b487032e4",
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"url": "https://api.github.com/repos/phpstan/phpstan/zipball/1627b1d03446904aaa77593f370c5201d2ecc34e",
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"reference": "1627b1d03446904aaa77593f370c5201d2ecc34e",
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"shasum": ""
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},
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"require": {
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@ -293,7 +295,7 @@
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"type": "tidelift"
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}
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],
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"time": "2023-12-13T10:59:42+00:00"
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"time": "2024-01-24T11:51:34+00:00"
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},
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{
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"name": "phpunit/php-code-coverage",
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@ -618,16 +620,16 @@
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},
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{
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"name": "phpunit/phpunit",
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"version": "10.5.5",
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"version": "10.5.10",
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"source": {
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"type": "git",
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"url": "https://github.com/sebastianbergmann/phpunit.git",
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"reference": "ed21115d505b4b4f7dc7b5651464e19a2c7f7856"
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"reference": "50b8e314b6d0dd06521dc31d1abffa73f25f850c"
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},
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"dist": {
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"type": "zip",
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"url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/ed21115d505b4b4f7dc7b5651464e19a2c7f7856",
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"reference": "ed21115d505b4b4f7dc7b5651464e19a2c7f7856",
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"url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/50b8e314b6d0dd06521dc31d1abffa73f25f850c",
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"reference": "50b8e314b6d0dd06521dc31d1abffa73f25f850c",
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"shasum": ""
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},
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"require": {
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@ -699,7 +701,7 @@
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"support": {
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"issues": "https://github.com/sebastianbergmann/phpunit/issues",
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"security": "https://github.com/sebastianbergmann/phpunit/security/policy",
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"source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.5"
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"source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.10"
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},
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"funding": [
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{
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@ -715,7 +717,7 @@
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"type": "tidelift"
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}
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],
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"time": "2023-12-27T15:13:52+00:00"
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"time": "2024-02-04T09:07:51+00:00"
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},
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{
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"name": "sebastian/cli-parser",
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56
src/Data/DbResultIterator.php
Normal file
56
src/Data/DbResultIterator.php
Normal file
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@ -0,0 +1,56 @@
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<?php
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// DbResultIterator.php
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// Created: 2024-02-06
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// Updated: 2024-02-06
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namespace Index\Data;
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use InvalidArgumentException;
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use Iterator;
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/**
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* Implements an iterator and constructor wrapper for IDbResult.
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*/
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class DbResultIterator implements Iterator {
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private bool $wasValid;
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private object $current;
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/**
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* Call this through an IDbResult instance instead!
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*
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* @param IDbResult $result Result to operate on.
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* @param callable(IDbResult): object $construct Constructor callback.
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*/
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public function __construct(
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private IDbResult $result,
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private $construct
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) {
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if(!is_callable($construct))
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throw new InvalidArgumentException('$construct must be a callable.');
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}
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public function current(): mixed {
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return $this->current;
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}
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public function key(): mixed {
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return spl_object_id($this->current);
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}
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private function moveNext(): void {
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if($this->wasValid = $this->result->next())
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$this->current = ($this->construct)($this->result);
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}
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public function next(): void {
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$this->moveNext();
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}
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public function rewind(): void {
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$this->moveNext();
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}
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public function valid(): bool {
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return $this->wasValid;
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}
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}
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@ -1,10 +1,13 @@
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<?php
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// DbResultTrait.php
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// Created: 2023-11-09
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// Updated: 2023-11-09
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// Updated: 2024-02-06
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namespace Index\Data;
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/**
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* Implements common IDbResult methods.
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*/
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trait DbResultTrait {
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public function getString(int|string $index): string {
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return (string)$this->getValue($index);
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@ -37,4 +40,8 @@ trait DbResultTrait {
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public function getBooleanOrNull(int|string $index): ?bool {
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return $this->isNull($index) ? null : ($this->getInteger($index) !== 0);
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}
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public function getIterator(callable $construct): DbResultIterator {
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return new DbResultIterator($this, $construct);
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}
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}
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@ -1,7 +1,7 @@
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<?php
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// IDbResult.php
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// Created: 2021-05-02
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// Updated: 2023-11-09
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// Updated: 2024-02-06
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namespace Index\Data;
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@ -106,4 +106,12 @@ interface IDbResult extends ICloseable {
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* @return ?Stream A Stream if data is available, null if not.
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*/
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function getStream(int|string $index): ?Stream;
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/**
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* Creates an iterator for this result.
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*
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* @param callable(IDbResult): object $construct Result info constructor.
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* @return DbResultIterator Result iterator.
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*/
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function getIterator(callable $construct): DbResultIterator;
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}
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@ -1,11 +1,12 @@
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<?php
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// NullDbResult.php
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// Created: 2021-05-02
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// Updated: 2023-11-09
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// Updated: 2024-02-06
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namespace Index\Data\NullDb;
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use Index\Data\IDbResult;
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use Index\Data\DbResultIterator;
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use Index\IO\Stream;
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/**
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@ -60,5 +61,9 @@ class NullDbResult implements IDbResult {
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return null;
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}
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public function getIterator(callable $construct): DbResultIterator {
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return new DbResultIterator($this, $construct);
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}
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public function close(): void {}
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}
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