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Finish template parsing

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develop
Sven Slootweg 12 years ago
parent 1cfd53deb4
commit d254d77c27
1 changed files with 128 additions and 20 deletions
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148
class.templater.php
Unescape Escape View File

@ -293,12 +293,14 @@ class Templater
$content = $this->tpl_rendered;
$length = strlen($content);
$offset = 0;
$depth = 0;
$current_tag = "";
$current_element = null;
$depth = 1;
$current_tag = array();
$current_element = array();
$current_text_element = null;
$root = array();
$tag_start = 0;
$tag_end = 0;
$text_block = "";
define("CPHP_TEMPLATER_SWITCH_NONE", 1);
define("CPHP_TEMPLATER_SWITCH_TAG_OPEN", 2);
@ -312,11 +314,12 @@ class Templater
$switch = CPHP_TEMPLATER_SWITCH_NONE;
$type = CPHP_TEMPLATER_TYPE_TAG_NONE;
$current_element[0] = new TemplateRootElement();
while($offset < $length)
{
$char = $content[$offset];
//echo("<br><br>");
//pretty_dump("**");
if($char == "{" && $switch == CPHP_TEMPLATER_SWITCH_NONE)
{
$switch = CPHP_TEMPLATER_SWITCH_TAG_OPEN;
@ -324,6 +327,14 @@ class Templater
}
elseif($char == "%" && $switch == CPHP_TEMPLATER_SWITCH_TAG_OPEN)
{
if($text_block != "")
{
$current_text_element->text = $text_block;
$text_block = "";
$current_element[$depth - 1]->children[] = $current_text_element;
}
$switch = CPHP_TEMPLATER_SWITCH_TAG_IDENTIFIER;
$identifier = "";
}
@ -332,60 +343,79 @@ class Templater
// Not a templater tag, abort.
$switch = CPHP_TEMPLATER_SWITCH_NONE;
$type = CPHP_TEMPLATER_TYPE_TAG_NONE;
$text_block .= "{";
}
elseif($switch == CPHP_TEMPLATER_SWITCH_TAG_IDENTIFIER && $type == CPHP_TEMPLATER_TYPE_TAG_NONE)
{
if($char == "/")
{
//pretty_dump("close $char {$identifier}");
$type = CPHP_TEMPLATER_TYPE_TAG_CLOSE;
}
else
{
//pretty_dump("open {$identifier}");
$type = CPHP_TEMPLATER_TYPE_TAG_OPEN;
continue;
}
}
else
{
//pretty_dump(">> $char");
//pretty_dump(($char != "}" && $switch == CPHP_TEMPLATER_SWITCH_TAG_IDENTIFIER && $type == CPHP_TEMPLATER_TYPE_TAG_CLOSE));
//pretty_dump(($char == "}" && $switch == CPHP_TEMPLATER_SWITCH_TAG_IDENTIFIER && $type == CPHP_TEMPLATER_TYPE_TAG_CLOSE));
if(($char != " " && $switch == CPHP_TEMPLATER_SWITCH_TAG_IDENTIFIER && $type == CPHP_TEMPLATER_TYPE_TAG_OPEN) ||
($char != "}" && $switch == CPHP_TEMPLATER_SWITCH_TAG_IDENTIFIER && $type == CPHP_TEMPLATER_TYPE_TAG_CLOSE))
{
//pretty_dump("identifier");
$identifier .= $char;
}
elseif($char == " " && $switch == CPHP_TEMPLATER_SWITCH_TAG_IDENTIFIER && $type == CPHP_TEMPLATER_TYPE_TAG_OPEN)
{
//pretty_dump("switch statement");
$switch = CPHP_TEMPLATER_SWITCH_TAG_STATEMENT;
$statement = "";
}
elseif($char != "}" && $switch == CPHP_TEMPLATER_SWITCH_TAG_STATEMENT)
{
//pretty_dump("statement");
$statement .= $char;
}
elseif(($char == "}" && $switch == CPHP_TEMPLATER_SWITCH_TAG_STATEMENT && $type == CPHP_TEMPLATER_TYPE_TAG_OPEN) ||
($char == "}" && $switch == CPHP_TEMPLATER_SWITCH_TAG_IDENTIFIER && $type == CPHP_TEMPLATER_TYPE_TAG_CLOSE))
{
//pretty_dump("Identifier: {$identifier}");
//pretty_dump("Statement: {$statement}");
$tag_end = $offset;
$tag_end = $offset + 1;
if($type == CPHP_TEMPLATER_TYPE_TAG_OPEN)
{
// This was an opening tag.
echo("Opening tag found, start position [{$tag_start}], end position [{$tag_end}], identifier [{$identifier}], statement [ {$statement} ]<br>");
//echo("Opening tag found, start position [{$tag_start}], end position [{$tag_end}], identifier [{$identifier}], statement [ {$statement} ]<br>");
echo("[{$depth}]" . str_repeat("&nbsp;&nbsp;&nbsp;", $depth) . "{$identifier} {$statement}<br>");
$child = $this->CreateSyntaxElement($identifier, $statement, $offset + 1);
$current_element[$depth] = $child;
if(isset($current_element[$depth - 1]) && !is_null($current_element[$depth - 1]))
{
$child->parent = $current_element[$depth - 1];
$child->parent->children[] = $current_element[$depth];
}
$current_tag[$depth] = $identifier;
$depth += 1;
}
elseif($type == CPHP_TEMPLATER_TYPE_TAG_CLOSE)
{
// This was a closing tag.
echo("Closing tag found, start position [{$tag_start}], end position [{$tag_end}], identifier [{$identifier}]<br>");
//pretty_dump("$current_tag vs $identifier at $tag_start in depth $depth with statement ($statement)");
$depth -= 1;
if($identifier == $current_tag[$depth])
{
//echo("Closing tag found, start position [{$tag_start}], end position [{$tag_end}], identifier [{$identifier}]<br>");
echo("[{$depth}]" . str_repeat("&nbsp;&nbsp;&nbsp;", $depth) . "/{$identifier}<br>");
echo("[{$depth}]" . str_repeat("&nbsp;&nbsp;&nbsp;", $depth) . "&nbsp;{$current_tag[$depth]}<br>");
$current_element[$depth]->content_end = $tag_start;
$current_element[$depth]->FetchContents($content);
}
else
{
throw new TemplateSyntaxException("Closing tag does not match opening tag (".$current_tag[$depth]." vs. {$identifier}) at position {$tag_start}.", $this->templatename, $tag_start, $tag_end);
}
}
else
{
@ -395,19 +425,90 @@ class Templater
$switch = CPHP_TEMPLATER_SWITCH_NONE;
$type = CPHP_TEMPLATER_TYPE_TAG_NONE;
$identifier = "";
$statement = "";
//$statement = "";
}
else
{
if($text_block == "")
{
$current_text_element = $this->CreateSyntaxElement("text", "", $offset);
}
$text_block .= $char;
}
}
$offset += 1;
}
if($text_block != "")
{
$current_text_element->text = $text_block;
$text_block = "";
$current_element[0]->children[] = $current_text_element;
}
pretty_dump($current_element[0]);
}
function CreateSyntaxElement($identifier, $statement, $content_start)
{
if($identifier == "if")
{
$element = new TemplateIfElement;
}
elseif($identifier == "foreach")
{
$element = new TemplateForEachElement;
}
elseif($identifier == "text")
{
$element = new TemplateTextElement;
}
else
{
$element = new TemplateRootElement;
}
if($identifier == "if" || $identifier == "foreach")
{
$element->statement = $statement;
}
if($identifier == "if")
{
$statement_parts = explode(" ", $statement, 3);
$element->left = $statement_parts[0];
$element->operator = $statement_parts[1];
$element->right = $statement_parts[2];
}
$element->content_start = $content_start;
return $element;
}
}
class TemplateSyntaxElement
{
public $parent = null;
public $statement = "";
public $contents = "";
public $children = array();
public $content_start = 0;
public $content_end = 0;
public function FetchContents($original)
{
//$this->contents = substr($original, $this->content_start, $this->content_end);
}
}
class TemplateRootElement extends TemplateSyntaxElement {}
class TemplateTextElement extends TemplateSyntaxElement
{
public $text = "";
}
class TemplateIfElement extends TemplateSyntaxElement
@ -418,3 +519,10 @@ class TemplateIfElement extends TemplateSyntaxElement
public $if_block = "";
public $else_block = "";
}
class TemplateForEachElement extends TemplateSyntaxElement
{
public $source = "";
public $varname = "";
public $block = "";
}

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