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Optimize away one stat call per template request by optimistically assuming the source template exists. Note that this implementation disables support for the fallback to templates relative to getcwd() if a template is not found in the specified template dirs, so it might be better to release this as a new version, or to add an alternative resource for this.

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This commit is contained in:
Simon Wisselink
2021-03-12 22:50:50 +01:00
parent e27da524f7
commit a832410ef3
1 changed files with 26 additions and 7 deletions
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27
libs/sysplugins/smarty_internal_resource_file.php
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@@ -37,7 +37,8 @@ class Smarty_Internal_Resource_File extends Smarty_Resource
$source->filepath . ($source->isConfig ? $source->smarty->_joined_config_dir :
$source->smarty->_joined_template_dir)
);
$source->timestamp = filemtime($source->filepath);
// When not doing compile_check, set timestamp to true
$source->timestamp = $source->smarty->compile_check ? filemtime($source->filepath) : true;
} else {
$source->timestamp = $source->exists = false;
}
@@ -50,6 +51,10 @@ class Smarty_Internal_Resource_File extends Smarty_Resource
*/
public function populateTimestamp(Smarty_Template_Source $source)
{
if (!$source->smarty->compile_check) {
$source->timestamp = $source->exists = true;
return;
}
if (!$source->exists) {
$source->timestamp = $source->exists = is_file($source->filepath);
}
@@ -68,14 +73,16 @@ class Smarty_Internal_Resource_File extends Smarty_Resource
*/
public function getContent(Smarty_Template_Source $source)
{
if ($source->exists) {
return file_get_contents($source->filepath);
}
if (($source->smarty->compile_check && $source->exists)
|| false === ($content = file_get_contents($source->filepath))
) {
throw new SmartyException(
'Unable to read ' . ($source->isConfig ? 'config' : 'template') .
" {$source->type} '{$source->name}'"
);
}
return $content;
}
/**
* Determine basename for compiled filename
@@ -126,6 +133,17 @@ class Smarty_Internal_Resource_File extends Smarty_Resource
$file = str_replace(DIRECTORY_SEPARATOR === '/' ? '\\' : '/', DIRECTORY_SEPARATOR, $file);
}
$_directories = $source->smarty->getTemplateDir(null, $source->isConfig);
// If possible, assume the file exists when compile_check = false;
if (!$source->smarty->compile_check
&& count($_directories) == 1 // if there are multiple directories, we'll have to scan them
&& $file[ 0 ] !== '[' // template_dir index
&& !$source->smarty->use_include_path // cannot optimize when we need to use include path
) {
$path = reset($_directories) . $file;
return (strpos($path, '.' . DIRECTORY_SEPARATOR) !== false) ? $source->smarty->_realpath($path) : $path;
}
// template_dir index?
if ($file[ 0 ] === '[' && preg_match('#^\[([^\]]+)\](.+)$#', $file, $fileMatch)) {
$file = $fileMatch[ 2 ];
@@ -157,6 +175,7 @@ class Smarty_Internal_Resource_File extends Smarty_Resource
$_directories = $_index_dirs;
}
}
// relative file name?
foreach ($_directories as $_directory) {
$path = $_directory . $file;