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Commit caf723d

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up: str - refactor the Str.renderTemplate logic
1 parent 8a3b0ed commit caf723d

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2 files changed

+52
-11
lines changed

2 files changed

+52
-11
lines changed

‎src/Str/StringHelper.php

Lines changed: 34 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -12,6 +12,7 @@
1212
use DateTime;
1313
use Exception;
1414
use Stringable;
15+
use Toolkit\Stdlib\Arr;
1516
use Toolkit\Stdlib\Str\Traits\StringCaseHelperTrait;
1617
use Toolkit\Stdlib\Str\Traits\StringCheckHelperTrait;
1718
use Toolkit\Stdlib\Str\Traits\StringConvertTrait;
@@ -33,6 +34,8 @@
3334
use function mb_strwidth;
3435
use function microtime;
3536
use function preg_match;
37+
use function preg_quote;
38+
use function preg_replace_callback;
3639
use function preg_split;
3740
use function random_bytes;
3841
use function random_int;
@@ -46,6 +49,7 @@
4649
use function strlen;
4750
use function strtr;
4851
use function substr;
52+
use function trim;
4953
use function uniqid;
5054
use const STR_PAD_LEFT;
5155
use const STR_PAD_RIGHT;
@@ -279,7 +283,7 @@ public static function genNOV2(string|int|Stringable $prefix = '', array $random
279283

280284
/**
281285
* @param string $tplCode
282-
* @param array $vars
286+
* @param array $vars [k => v]
283287
*
284288
* @return string
285289
*/
@@ -289,28 +293,47 @@ public static function replaces(string $tplCode, array $vars): string
289293
}
290294

291295
/**
296+
* Simple render vars to template string.
297+
*
292298
* @param string $tplCode
293299
* @param array $vars
294-
* @param string $format
300+
* @param string $format Template var format
295301
*
296302
* @return string
297303
*/
298-
public static function renderTemplate(string $tplCode, array $vars, string $format = '{{%s}}'): string
304+
public static function renderVars(string $tplCode, array $vars, string $format = '{{%s}}'): string
299305
{
300306
// get left chars
301-
[$left, ] = explode('%s', $format);
307+
[$left, $right] = explode('%s', $format);
302308
if (!$vars || !str_contains($tplCode, $left)) {
303309
return $tplCode;
304310
}
305311

306-
$fmtVars = [];
307-
foreach ($vars as $name => $var) {
308-
$name = sprintf($format, (string)$name);
309-
// add
310-
$fmtVars[$name] = $var;
311-
}
312+
$fmtVars = Arr::flattenMap($vars, Arr::FLAT_DOT_JOIN_INDEX);
313+
$pattern = sprintf('/%s([\w\s.-]+)%s/', preg_quote($left, '/'), preg_quote($right, '/'));
314+
315+
return preg_replace_callback($pattern, static function (array $match) use ($fmtVars) {
316+
$var = trim($match[1]);
317+
if ($var && isset($fmtVars[$var])) {
318+
return $fmtVars[$var];
319+
}
312320

313-
return strtr($tplCode, $fmtVars);
321+
return $match[0];
322+
}, $tplCode);
323+
}
324+
325+
/**
326+
* Alias of renderVars().
327+
*
328+
* @param string $tplCode
329+
* @param array $vars
330+
* @param string $format Template var format
331+
*
332+
* @return string
333+
*/
334+
public static function renderTemplate(string $tplCode, array $vars, string $format = '{{%s}}'): string
335+
{
336+
return self::renderVars($tplCode, $vars, $format);
314337
}
315338

316339
////////////////////////////////////////////////////////////

‎test/Str/StringHelperTest.php

Lines changed: 18 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -267,4 +267,22 @@ public function testSplitTypedList(): void
267267
$this->assertEquals($want, Str::toTypedArray($given));
268268
}
269269
}
270+
271+
public function testRenderVars(): void
272+
{
273+
$vars = [
274+
'name' => 'inhere',
275+
'age' => 200,
276+
'tags' => ['php'],
277+
'top' => [
278+
'key0' => 'val0',
279+
]
280+
];
281+
282+
$text = Str::renderVars('hello {{ name }}, age: {{ age}}, tags: {{ tags.0 }}, key0: {{top.key0 }}', $vars);
283+
$this->assertEquals('hello inhere, age: 200, tags: php, key0: val0', $text);
284+
285+
$text = Str::renderVars('hello ${ name }, age: ${ age}, tags: ${ tags.0 }, key0: ${top.key0 }', $vars, '${%s}');
286+
$this->assertEquals('hello inhere, age: 200, tags: php, key0: val0', $text);
287+
}
270288
}

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