[Astrospaces-commits] SF.net SVN: astrospaces: [22] trunk/functions/template.php
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[Astrospaces-commits] SF.net SVN: astrospaces: [22] trunk/functions/template.php
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From: <cal...@us...> - 2007-07-29 20:49:31
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Revision: 22
http://astrospaces.svn.sourceforge.net/astrospaces/?rev=22&view=rev
Author: caleb870
Date: 2007-07-29 13:49:34 -0700 (Sun, 29 Jul 2007)
Log Message:
-----------
Added items remotely
C:\Program Files\xampp\htdocs\code\functions\template.php
Added Paths:
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trunk/functions/template.php
Added: trunk/functions/template.php
===================================================================
--- trunk/functions/template.php (rev 0)
+++ trunk/functions/template.php 2007-07-29 20:49:34 UTC (rev 22)
@@ -0,0 +1,270 @@
+<?php
+class template {
+
+ var $template;
+ var $result;
+ var $slices;
+ var $var;
+ var $lang;
+ var $lang_prefix = 'lang:';
+
+ var $start_symbol = '[';
+ var $end_symbol = ']';
+
+ var $slice_start = '<!-- START %s -->'; // The %s is required
+ var $slice_end = '<!-- END %s -->'; // The %s is required
+
+ /*
+ [FUNCTIONS]
+
+ [ LOADING ]
+ load_from_file - Load template from a file's contents
+ $file - The file
+ load - Load template from a variable in PHP
+ $template - Variable with template
+
+ [ VARIABLES ]
+ define_var - Defines a variable
+ $var_name - Name of variable, overwrites previous
+ $value - Value of variable
+ $parent (optional) - Parent of variable. Meant for situations when using slices.
+ add_to_var - Add to the existing value of a variable
+ $var_name - Name of variable
+ $add_what - Add what to the variable
+ $parent (optional) - Parent of variable. Meant for situations when using slices.
+
+ [ SLICES & SLICE PARSING ]
+ parse_slice_to_var - Parse the result of a slice to a variable
+ $slice_name - Name of slice to be parsed
+ $root_var_name - Name of variable to parse the slice to.
+ $parent (optional) - Parent of variable. Meant for situations when using slices.
+ parse_slice - Parse a slice. Returns the result to the caller.
+ $slice_name - Name of slice to be parsed.
+
+ [ ROOT PARSING ]
+ parse - Parses the root with echoing the result, yet returning the result to the caller.
+ (No parameters needed)
+ pparse - Parses the root and echoes the result.
+
+ [ MISCELLANEOUS ]
+ flush_template - Drops the current data of template
+ flush_slice - Drops the current data of the slice
+ $slice_name - Name of slice to drop
+ reset_template - Resets the entire template and drops all information.
+
+ [ TERMINOLOGY ]
+ Slice - A Removable or a part of a template that can be repetitively parsed.
+
+ Root - The core template. Slices must be parsed to a variable in the root
+ in order to be seen, otherwise they are never printed.
+
+ [ HOW IT WORKS ]
+ When you load a file, it loads all the slices in the file and removes them
+ from the root template. When you define a variable, it is only added to
+ a list of variables to be parsed. They can still be added to before it
+ is parsed. Once it is parsed it echoes the result and resets it so that
+ it may be parsed again.
+
+ */
+
+ function load_from_file ( $file )
+ {
+ @$content = file( $file );
+ if ($content === false)
+ {
+ return false;
+ } else {
+ $this->load(implode(null,$content));
+ return true;
+ }
+ }
+
+ function load( $template )
+ {
+ $this->slice_start = preg_quote($this->slice_start);
+ $this->slice_end = preg_quote($this->slice_end);
+
+ $this->start_symbol = preg_quote($this->start_symbol);
+ $this->end_symbol = preg_quote($this->end_symbol);
+
+ $this->template = $template;
+ $this->result = $template;
+
+ $this->compile_slices(); // KEEP THIS HERE!
+ }
+
+ /* Under development
+ function load_lang_file ( $filename )
+ {
+ @$array = include($filename);
+ if (!$array = false)
+ {
+ $this->lang = array_merge($this->lang, $array);
+ } else {
+ echo '<p>Language file could not be loaded</p>';
+ }
+ }
+
+ function langValue ( $var_name )
+ {
+ if ($this->lang[$var_name] != NULL)
+ {
+ return $this->lang[$var_name];
+ } else {
+ return false;
+ }
+ }
+
+ function langPrefix($name)
+ {
+ return $this->lang_prefix . $name;
+ }
+ */
+
+ function slice_start ( $name ) { return sprintf( $this->slice_start, $name); }
+
+ function slice_end ( $name ) { return sprintf( $this->slice_end, $name); }
+
+ function compile_slices ($parent = null)
+ {
+ if (!empty($parent))
+ {
+ // Searchs for slices in a specified slice
+ $regex = '/'. $this->slice_start($slice_name) .'(?:.*)'.$this->slice_start('(.*)').'(?:.*)'.$this->slice_end($slice_name).'/smiU';
+ preg_match_all( $regex, $this->template, $sub_slices);
+ } else {
+ $regex = '/'.$this->slice_end('(.*)').'/smiU';
+ preg_match_all( $regex, $this->template, $sub_slices);
+ }
+ foreach ($sub_slices[1] as $slice)
+ {
+ if ($this->count_slices($slice) > 0)
+ {
+ $this->compile_slices($slice);
+ } else {
+ $this->assemble_slice($slice);
+ }
+ }
+
+ if (!empty($parent))
+ {
+ $this->assemble_slice($parent);
+ }
+
+ }
+
+ function assemble_slice ( $slice_name )
+ {
+ $regex = '/'.$this->slice_start($slice_name).'(.*)\n\s*'.$this->slice_end($slice_name).'\n?/si';
+ preg_match($regex, $this->template, $resultset);
+
+ if (count($resultset) > 0)
+ {
+ $this->slices[$slice_name]['template'] = $resultset[1];
+ $this->slices[$slice_name]['result'] = $resultset[1];
+ $this->slices[$slice_name]['name'] = $slice_name;
+ $newTemplate = preg_replace($regex,'',$this->template);
+ $this->template = $newTemplate;
+ $this->result = $newTemplate;
+ }
+ }
+
+ function count_slices ( $parent )
+ {
+ $regex = '/'.$this->slice_start($parent).'(?:.*)('.$this->slice_start('(.*)').')(?:.*)'.$this->slice_end($parent).'/smi';
+ preg_match( $regex, $this->template, $sub_slices );
+ $count = count($sub_slices);
+ return $count;
+ }
+
+ function define_var ( $var_name, $value, $parent = 'root')
+ {
+ $this->slices[$parent]['vars'][$var_name]['name'] = $var_name;
+ $this->slices[$parent]['vars'][$var_name]['value'] = $value;
+ }
+
+ function add_to_var ( $var_name, $add_what, $parent = 'root' )
+ {
+ $this->slices[$parent]['vars'][$var_name]['value'] .= $add_what;
+ }
+
+ function parse_slice_to_var ( $slice_name, $root_var_name, $parent = 'root' )
+ {
+ $content = $this->parse_slice( $slice_name );
+ $this->define_var($root_var_name, $content, $parent);
+ return $parsed_result;
+ }
+
+ function parse_slice ( $slice_name )
+ {
+ if ($this->slices[$slice_name]['vars'] != Null)
+ {
+ foreach($this->slices[$slice_name]['vars'] as $variable)
+ {
+ $replacement_regex = '/' . $this->start_symbol . preg_quote($variable['name']).$this->end_symbol.'\n?/si';
+ $result = preg_replace( $replacement_regex, $variable['value'], $this->slices["$slice_name"]['result'] );
+ $this->slices[$slice_name]['result'] = $result;
+ }
+ }
+
+ $replacement_regex = '/'.$this->start_symbol.'(.*)'.$this->end_symbol.'\n?/si';
+ $this->slices[$slice_name]['result'] = preg_replace( $replacement_regex, '', $this->slices[$slice_name]['result'] );
+
+ $parsed_result = $this->slices[$slice_name]['result'];
+
+ $this->flush_slice( $slice_name );
+ return $parsed_result;
+ }
+
+ function parse()
+ {
+ if ($this->slices['root']['vars'] != null)
+ {
+ foreach($this->slices['root']['vars'] as $variable)
+ {
+ $replacement_regex = '/'.$this->start_symbol.$variable['name'].$this->end_symbol.'\n?/si';
+ $result = preg_replace($replacement_regex,$variable['value'],$this->result);
+ $this->result = $result;
+ }
+ }
+
+ $replacement_regex = '/'.$this->start_symbol.'(.*)'.$this->end_symbol.'\n?/si';
+ $this->result = preg_replace( $replacement_regex, '', $this->result );
+
+ $parsed_result = $this->result;
+
+ $this->flush_template();
+
+ return $parsed_result;
+ }
+
+ function pparse ($die_on_finish = false)
+ {
+ echo $this->parse();
+
+ if ($die_on_finish == true)
+ {
+ die();
+ }
+ }
+
+ function flush_template ()
+ {
+ $this->result = $this->template;
+ $this->slices['root']['vars'] = null;
+ }
+
+ function flush_slice ( $slice_name )
+ {
+ $this->slices[$slice_name]['result'] = $this->slices[$slice_name]['template'];
+ $this->slices[$slice_name]['vars'] = null;
+ }
+
+ function reset_template ()
+ {
+ $this->template = null;
+ $this->result = null;
+ $this->slices = null;
+ }
+}
+?>
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