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121 lines
3.6 KiB
121 lines
3.6 KiB
<?php |
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/** |
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* Smarty plugin to format text blocks |
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* |
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* @package Smarty |
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* @subpackage PluginsBlock |
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*/ |
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/** |
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* Smarty {textformat}{/textformat} block plugin |
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* Type: block function |
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* Name: textformat |
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* Purpose: format text a certain way with preset styles |
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* or custom wrap/indent settings |
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* Params: |
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* |
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* - style - string (email) |
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* - indent - integer (0) |
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* - wrap - integer (80) |
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* - wrap_char - string ("\n") |
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* - indent_char - string (" ") |
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* - wrap_boundary - boolean (true) |
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* |
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* @link https://www.smarty.net/manual/en/language.function.textformat.php {textformat} |
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* (Smarty online manual) |
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* |
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* @param array $params parameters |
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* @param string $content contents of the block |
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* @param Smarty_Internal_Template $template template object |
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* @param boolean &$repeat repeat flag |
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* |
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* @return string content re-formatted |
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* @author Monte Ohrt <monte at ohrt dot com> |
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* @throws \SmartyException |
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*/ |
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function smarty_block_textformat($params, $content, Smarty_Internal_Template $template, &$repeat) |
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{ |
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if (is_null($content)) { |
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return; |
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} |
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if (Smarty::$_MBSTRING) { |
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$template->_checkPlugins( |
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array( |
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array( |
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'function' => 'smarty_modifier_mb_wordwrap', |
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'file' => SMARTY_PLUGINS_DIR . 'modifier.mb_wordwrap.php' |
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) |
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) |
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); |
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} |
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$style = null; |
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$indent = 0; |
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$indent_first = 0; |
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$indent_char = ' '; |
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$wrap = 80; |
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$wrap_char = "\n"; |
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$wrap_cut = false; |
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$assign = null; |
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foreach ($params as $_key => $_val) { |
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switch ($_key) { |
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case 'style': |
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case 'indent_char': |
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case 'wrap_char': |
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case 'assign': |
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$$_key = (string)$_val; |
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break; |
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case 'indent': |
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case 'indent_first': |
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case 'wrap': |
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$$_key = (int)$_val; |
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break; |
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case 'wrap_cut': |
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$$_key = (bool)$_val; |
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break; |
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default: |
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trigger_error("textformat: unknown attribute '{$_key}'"); |
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} |
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} |
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if ($style === 'email') { |
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$wrap = 72; |
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} |
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// split into paragraphs |
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$_paragraphs = preg_split('![\r\n]{2}!', $content); |
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foreach ($_paragraphs as &$_paragraph) { |
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if (!$_paragraph) { |
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continue; |
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} |
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// convert mult. spaces & special chars to single space |
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$_paragraph = |
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preg_replace( |
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array( |
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'!\s+!' . Smarty::$_UTF8_MODIFIER, |
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'!(^\s+)|(\s+$)!' . Smarty::$_UTF8_MODIFIER |
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), |
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array( |
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' ', |
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'' |
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), |
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$_paragraph |
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); |
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// indent first line |
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if ($indent_first > 0) { |
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$_paragraph = str_repeat($indent_char, $indent_first) . $_paragraph; |
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} |
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// wordwrap sentences |
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if (Smarty::$_MBSTRING) { |
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$_paragraph = smarty_modifier_mb_wordwrap($_paragraph, $wrap - $indent, $wrap_char, $wrap_cut); |
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} else { |
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$_paragraph = wordwrap($_paragraph, $wrap - $indent, $wrap_char, $wrap_cut); |
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} |
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// indent lines |
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if ($indent > 0) { |
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$_paragraph = preg_replace('!^!m', str_repeat($indent_char, $indent), $_paragraph); |
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} |
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} |
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$_output = implode($wrap_char . $wrap_char, $_paragraphs); |
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if ($assign) { |
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$template->assign($assign, $_output); |
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} else { |
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return $_output; |
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} |
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}
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