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authorPaul Duncan <pabs@pablotron.org>2018-09-04 09:02:23 -0400
committerPaul Duncan <pabs@pablotron.org>2018-09-04 09:02:23 -0400
commite3bfa59a0739fbfa84089baede1af40eae20a95d (patch)
treefce481d1cf072017f5cbc12a6102966cfe4d9db4 /php/src/Template.php
parenta5e1d27ceeaafcba1bcc44a14739d8f2eb84abd3 (diff)
downloadluigi-template-e3bfa59a0739fbfa84089baede1af40eae20a95d.tar.bz2
luigi-template-e3bfa59a0739fbfa84089baede1af40eae20a95d.zip
php: fix filters, remove Parser namespace, fix misc errors
Diffstat (limited to 'php/src/Template.php')
-rw-r--r--php/src/Template.php180
1 files changed, 92 insertions, 88 deletions
diff --git a/php/src/Template.php b/php/src/Template.php
index bb9e63e..7497509 100644
--- a/php/src/Template.php
+++ b/php/src/Template.php
@@ -54,8 +54,6 @@ final class InvalidTemplateError extends Error {
}
};
-namespace Luigi;
-
final class RunContext {
public $args,
$filters;
@@ -66,10 +64,6 @@ final class RunContext {
}
};
-namespace Luigi\Parser;
-
-use \Luigi\RunContext;
-
final class TemplateFilter {
private $name,
$args;
@@ -119,7 +113,8 @@ final class FilterToken extends Token {
}
public function run(RunContext &$ctx) : string {
- if (!isset($args[$this->key])) {
+ # check key
+ if (!isset($ctx->args[$this->key])) {
throw new UnknownKeyError($this->key);
}
@@ -216,97 +211,113 @@ function parse_template(string $template) : array {
}
# map matches to tokens
- return array_map(function($m) {
+ return array_reduce($matches, function($r, $m) {
if ($m['key'] !== '') {
# filter token
- return new FilterToken($m['key'], parse_filters($m['filters']));
- } else {
+ $r[] = new FilterToken($m['key'], parse_filters($m['filters']));
+ } else if (strlen($m['text']) > 0) {
# literal token
- return new LiteralToken($m['text']);
+ $r[] = new LiteralToken($m['text']);
+ } else {
+ # ignore empty string
}
- }, $matches);
+
+ return $r;
+ }, []);
}
namespace Luigi;
-$FILTERS = [
- 'h' => function($s) {
- return htmlspecialchars($v, ENT_QUOTES);
- },
+class Filters {
+ public static $FILTERS = null;
- 'u' => function($s) {
- return urlencode($v);
- },
+ public static function init() : void {
+ # prevent double initialization
+ if (self::$FILTERS !== null)
+ return;
- 'json' => function($v) {
- return json_encode($v);
- },
+ self::$FILTERS = [
+ 'h' => function($v) {
+ return htmlspecialchars($v, ENT_QUOTES);
+ },
- 'hash' => function($v, $args) {
- if (count($args) !== 1) {
- throw new MissingFilterParameterError('hash');
- }
+ 'u' => function($v) {
+ return urlencode($v);
+ },
- return hash($args[0], $v);
- },
+ 'json' => function($v) {
+ return json_encode($v);
+ },
- 'base64' => function($v) {
- return base64_encode($v);
- },
+ 'hash' => function($v, $args) {
+ if (count($args) !== 1) {
+ throw new MissingFilterParameterError('hash');
+ }
- 'nl2br' => function($v) {
- return nl2br($v);
- },
+ return hash($args[0], $v);
+ },
- 'uc' => function($v) {
- return strtoupper($v);
- },
+ 'base64' => function($v) {
+ return base64_encode($v);
+ },
- 'lc' => function($v) {
- return strtolower($v);
- },
+ 'nl2br' => function($v) {
+ return nl2br($v);
+ },
- 'trim' => function($v) {
- return trim($v);
- },
+ 'uc' => function($v) {
+ return strtoupper($v);
+ },
- 'rtrim' => function($v) {
- return rtrim($v);
- },
+ 'lc' => function($v) {
+ return strtolower($v);
+ },
- 'ltrim' => function($v) {
- return ltrim($v);
- },
+ 'trim' => function($v) {
+ return trim($v);
+ },
- 's' => function($v) {
- return ($v == 1) ? '' : 's';
- },
+ 'rtrim' => function($v) {
+ return rtrim($v);
+ },
- 'strlen' => function($v) {
- return strlen($v);
- },
+ 'ltrim' => function($v) {
+ return ltrim($v);
+ },
- 'count' => function($v) {
- return count($v);
- },
+ 's' => function($v) {
+ return ($v == 1) ? '' : 's';
+ },
- 'key' => function($v, $args) {
- if (count($args) !== 1) {
- throw new MissingFilterParameterError('key');
- }
+ 'strlen' => function($v) {
+ return '' . strlen($v);
+ },
- # get key
- $key = $args[0];
+ 'count' => function($v) {
+ return '' . count($v);
+ },
- # make sure key exists
- if (!isset($v[$key])) {
- throw new UnknownKeyError($key);
- }
+ 'key' => function($v, $args) {
+ if (count($args) !== 1) {
+ throw new MissingFilterParameterError('key');
+ }
- # return key
- return $v[$key];
- },
-];
+ # get key
+ $key = $args[0];
+
+ # make sure key exists
+ if (!isset($v[$key])) {
+ throw new UnknownKeyError($key);
+ }
+
+ # return key
+ return $v[$key];
+ },
+ ];
+ }
+};
+
+Filters::init();
final class Template {
private $template,
@@ -317,13 +328,11 @@ final class Template {
string $template,
array $custom_filters = []
) {
- global $FILTERS;
-
$this->template = $template;
- $this->filters = count($custom_filters) ? $custom_filters : $FILTERS;
+ $this->filters = (count($custom_filters) > 0) ? $custom_filters : Filters::$FILTERS;
# parse template into list of tokens
- $this->tokens = Parser\parse_template($template);
+ $this->tokens = parse_template($template);
}
public function run(array $args = []) : string {
@@ -335,21 +344,16 @@ final class Template {
}, $this->tokens));
}
- public static function once($str, $args = [], array $filters = []) {
- $t = new Template($str, $filters);
+ public static function once(
+ string $template,
+ array $args = [],
+ array $filters = []
+ ) : string {
+ $t = new Template($template, $filters);
return $t->run($args);
}
};
-function run(
- string $template,
- array $args = [],
- array $filters = []
-) : string {
- $t = new Template($template, $filters);
- return $t->run($args);
-}
-
final class Cache implements \ArrayAccess {
private $templates,
$filters,
@@ -357,7 +361,7 @@ final class Cache implements \ArrayAccess {
public function __construct(array $templates, array $filters = []) {
$this->templates = $templates;
- $this->filters = $filters;
+ $this->filters = (count($filters) > 0) ? $filters : Filters::$FILTERS;
}
public function offsetExists($key) : bool {