library/smarty/libs/plugins/block.textformat.php
author Markus Bröker <broeker.markus@googlemail.com>
Sat, 14 Nov 2015 02:40:44 +0100
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permissions -rw-r--r--
Request::hasPost: Array ist immer gesetzt, Inhalt variiert
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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<?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<br>
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 * Name:     textformat<br>
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 * Purpose:  format text a certain way with preset styles
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 *           or custom wrap/indent settings<br>
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 * Params:
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 * <pre>
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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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 * </pre>
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 *
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 * @link   http://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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 */
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function smarty_block_textformat($params, $content, $template, &$repeat) {
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    if (is_null($content)) {
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        return;
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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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        $_paragraph = preg_replace(array('!\s+!' . Smarty::$_UTF8_MODIFIER, '!(^\s+)|(\s+$)!' . Smarty::$_UTF8_MODIFIER), array(' ', ''), $_paragraph);
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        // indent first line
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        if ($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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            require_once(SMARTY_PLUGINS_DIR . 'shared.mb_wordwrap.php');
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            $_paragraph = smarty_mb_wordwrap($_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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}