first commit

README.md

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+# tplBlock

class.TplBlock.php

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+<?php
+class InvalidTemplateException extends UnexpectedValueException{
+
+}
+class TplBlock {
+  const blockStartStart = '<!-- BEGIN ';
+  const blockStartEnd = ' -->';
+  const blockEndStart = '<!-- END ';
+  const blockEndEnd = ' -->';
+
+  const startEnclosure = '{{';
+  const endEnclosure = '}}';
+
+  public $name = '';
+  private $vars = array();
+  private $subBlocs = array();
+
+  /*
+  * Initialise TplBlock
+  * Input object name
+  */
+
+  public function __construct(STRING $name =""){
+    $this->name = $name;
+  }
+
+  /*
+  * Add simple vars
+  * Input array structured like:
+  * {"key":"value","key2":"value2"}
+  */
+  public function add_vars(ARRAY $vars){
+    $this->vars = array_merge($this->vars,$vars);
+  }
+
+  public function add_sub_block(TplBlock $bloc){
+    if(empty($bloc->name)){
+      throw new InvalidTemplateException("A sub tpl bloc can't have an empty name");
+      return false;
+    }
+    $this->subBlocs[$bloc->name][] = $bloc;
+  }
+
+  /*
+  * Shake template and input vars and returns the text
+  */
+  public function apply_tpl_str($str,$subBlocsPath = ""){
+
+    //replace all simple vars
+    $prefix = (empty($subBlocsPath)? "" : $subBlocsPath.".");
+    foreach($this->vars as $key=>$value){
+
+      $str = str_replace(self::startEnclosure . $prefix . $key . self::endEnclosure,
+                          $value,
+                           $str);
+    }
+    
+    //Isolate blocs
+
+    foreach($this->subBlocs as $blocName => $blocsArr){
+      $str = preg_replace_callback(
+        '/' . self::blockStartStart . preg_quote($blocName) . self::blockStartEnd .
+          '(.*?)'.
+          self::blockEndStart . preg_quote($blocName). self::blockEndEnd. 
+        '/is',
+        function($m) use($blocName,$blocsArr,$prefix) {
+          $out = "";
+          foreach($blocsArr as $bloc){
+            $out.=$bloc->apply_tpl_str( $m[1] , $prefix . $blocName );
+          }
+          return $out;
+        }
+        ,$str
+      );
+    }
+    return $str;
+  }
+
+  public function apply_tpl_file($file){
+    if(!$tplStr = file_get_contents($file)){
+      throw new InvalidTemplateException("Cannot read given file ".$file);
+      return false;
+    }
+    return $this->apply_tpl_str($tplStr);
+  }
+}

test-TplBlock/sample.txt

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+hello {{title}} {{name}} {{firstname}}
+
+The first primes numbers are:
+<!-- BEGIN primes -->
+  - {{primes.number}}
+<!-- END primes -->
+
+Lets list all divisors of:
+
+<!-- BEGIN number -->
+{{number.value}} Have those divisors:
+  <!-- BEGIN number.divisor -->
+  - {{number.divisor.value}}
+  <!-- END number.divisor -->
+<!-- END number -->

test-TplBlock/test.php

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+<?php
+
+include("../class.TplBlock.php");
+
+$tpl = new TplBlock();
+$tpl->add_vars(array(
+    "name" => "Gnieark",
+    "title" => "Monsieur",
+    "firstname" => "Grouik"
+    )
+  );
+
+$primes = array(1,2,3,5,7,11);
+
+foreach($primes as $prime){
+  $tplPrime = new TplBlock('primes');
+  $tplPrime->add_vars(array('number'  => $prime));
+  $tpl->add_sub_block($tplPrime);
+
+
+}
+
+
+
+
+echo $tpl->apply_tpl_file("sample.txt");