Math plugin

lib/cssp.php

@@ -384,7 +384,7 @@ private function apply_copying_values($block, $selector, $property, $values, $fo
  preg_match_all($copying_pattern, $values[$i], $matches);
  // Exact selector matches
  if(isset($this->parsed[$block][$matches[1][0]][$matches[2][0]])){
- $dest[$i] = $this->get_final_value($this->parsed[$block][$matches[1][0]][$matches[2][0]], $property);
+ $dest[$i] = str_replace($matches[0][0], $this->get_final_value($this->parsed[$block][$matches[1][0]][$matches[2][0]], $property), $dest[$i]);
  $found = true;
  }
  // Search for partial selector matches, ie. "#foo" in "#bar, #foo, #blah"
@@ -393,7 +393,7 @@ private function apply_copying_values($block, $selector, $property, $values, $fo
  $tokenized_selectors = $this->tokenize($full_selectors, ',');
  if(in_array($matches[1][0], $tokenized_selectors)){
  if(isset($this->parsed[$block][$full_selectors][$matches[2][0]])){
- $dest[$i] = $this->get_final_value($this->parsed[$block][$full_selectors][$matches[2][0]], $property);
+ $dest[$i] = str_replace($matches[0][0], $this->get_final_value($this->parsed[$block][$full_selectors][$matches[2][0]], $property), $dest[$i]);
  $found = true;
  }
  }

plugins/math.php

@@ -0,0 +1,142 @@
+<?php
+
+/**
+ * This file is part of Turbine
+ * http://github.com/SirPepe/Turbine
+ * 
+ * Copyright Peter Kr�ner
+ * Licensed under GNU LGPL 3, see license.txt or http://www.gnu.org/licenses/
+ */
+
+ /**
+ * Math plugin created by Raymond Geerts
+ * Calculates values of same unit
+ * 
+ * Usage: Any property that can contain measurement units 
+ * will be able to calculate its final value from
+ * units of the same type.
+ * Example: width: 100px+150px
+ * Example: height: 15px / 3 * 2
+ * Example: margin: 2px+2px 1em+0.5em 2px+2px 1px+5px
+ * Example: padding: 6px+3px (-1px) 5px (-1px)
+ * Example: background-positon: 12px * 2 12px / 2
+ * Status: Stable
+ * Version: 1.1
+ * 
+ * @param mixed &$parsed
+ * @return void
+ */
+
+function math(&$parsed){
+ global $cssp;
+ $units = array('%', 'in', 'cm', 'mm', 'em', 'ex', 'pt', 'pc', 'px');
+
+ $unitspattern = '/('.implode("|", $units).')/i';
+
+ $properties = array(
+ /* Background -> xpos ypos */
+ 'background', 'background-position', 
+ /* Border -> length */
+ 'border', 'border-width', 'border-bottom', 'border-bottom-width', 'border-left', 'border-left-width', 'border-right', 'border-right-width', 'border-top', 'border-top-width', 'border-spacing', 
+ /* Dimension -> length */
+ 'height', 'line-height', 'max-height', 'min-height', 'width', 'max-width', 'min-width', 
+ /* Font -> length */
+ 'font', 'font-size', 
+ /* List -> length */
+ 'marker-offset', 
+ /* Margin -> length */
+ 'margin', 'margin-bottom', 'margin-left', 'margin-right', 'margin-top', 
+ /* Outline -> length */
+ 'outline', 'outline-width',
+ /* Padding -> length */
+ 'padding', 'padding-bottom', 'padding-left', 'padding-right', 'padding-top',
+ /* Positioning -> length */
+ 'bottom', 'left', 'right', 'top',
+ /* Text -> length */
+ 'letter-spacing', 'text-indent', 'word-spacing'
+ );
+ // For every possible property...
+ foreach($properties as $search){
+ // ... loop through the css...
+ foreach($parsed as $block => $css){
+ foreach($parsed[$block] as $selector => $styles){
+ if($selector != '@turbine' && isset($parsed[$block][$selector][$search])){
+ $num_values = count($parsed[$block][$selector][$search]);
+ // ... loop through the values
+ for($i = 0; $i < $num_values; $i++){
+ // generate empty array
+ $occurences = array();
+ if(preg_match('/[\s]*[*\/+-][\s]*/',$parsed[$block][$selector][$search][$i])){
+ // remove spaces inbetween values to calculate
+ $parsed[$block][$selector][$search][$i] = preg_replace('/[\s]*([*\/+-])[\s]*/','$1',$parsed[$block][$selector][$search][$i]);
+ // put each part with its own key in an array
+ $occurences = preg_split('/[\s]+/',$parsed[$block][$selector][$search][$i]);
+ // generate empty array's
+ $unit = array();
+ $unitcheck = array();
+ foreach($occurences AS $key=>$occurence){
+ $count = 0;
+ if (preg_match_all($unitspattern, $occurence, $matches, PREG_PATTERN_ORDER)){
+ $count = count(array_unique($matches[0]));
+ $unitcheck[$key] = $count;
+ $unit[$key] = ($count<2)?$matches[0][0]:null;
+ }
+ else
+ {
+ $unitcheck[$key] = '0';
+ $unit[$key] = null;
+ }
+ }
+ $comment = null;
+ $output = array();
+ foreach($occurences AS $key=>$occurence){
+ if ($unitcheck[$key]==0) {
+ $output[$key] = $occurence;
+ }
+ else if ($unitcheck[$key]==1) {
+ $occurence = preg_replace($unitspattern,'',$occurence);
+ $occurence = preg_replace('/[$a-zA-Z_]/','',$occurence);
+ $output[$key] = @eval("return (" . $occurence . ");").$unit[$key];
+ }
+ else {
+ $output[$key] = $occurence;
+ $unique = array();
+ foreach($unit AS $u) {
+ if($u) $unique[] = $u;
+ }
+ $comment = 'math plugin: incompatible units '.implode(', ', array_unique($unique));
+ }
+ }
+
+ $cssp->parsed[$block][$selector][$search][0] = implode(' ', $output);
+
+ if(!$comment){
+ CSSP::comment(
+ $cssp->parsed[$block][$selector], 
+ $search, 
+ 'math plugin: calcutated value'
+ );
+ }
+ else {
+ CSSP::comment(
+ $cssp->parsed[$block][$selector], 
+ $search, 
+ $comment
+ );
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+}
+
+
+/**
+ * Register the plugin
+ */
+$cssp->register_plugin('before_glue', 0, 'math');
+
+
+?>