<?php
/*
+---------------------------------------------------------------------------------+
| Copyright (c) 2010 Haanga |
+---------------------------------------------------------------------------------+
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions are met: |
| 1. Redistributions of source code must retain the above copyright |
| notice, this list of conditions and the following disclaimer. |
| |
| 2. Redistributions in binary form must reproduce the above copyright |
| notice, this list of conditions and the following disclaimer in the |
| documentation and/or other materials provided with the distribution. |
| |
| 3. All advertising materials mentioning features or use of this software |
| must display the following acknowledgement: |
| This product includes software developed by César D. Rodas. |
| |
| 4. Neither the name of the César D. Rodas nor the |
| names of its contributors may be used to endorse or promote products |
| derived from this software without specific prior written permission. |
| |
| THIS SOFTWARE IS PROVIDED BY CÉSAR D. RODAS ''AS IS'' AND ANY |
| EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| DISCLAIMED. IN NO EVENT SHALL CÉSAR D. RODAS BE LIABLE FOR ANY |
| DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE |
+---------------------------------------------------------------------------------+
| Authors: César Rodas <crodas@php.net> |
+---------------------------------------------------------------------------------+
*/
class HG_Parser Extends Haanga_Compiler_Parser
{
/* subclass to made easier references to constants */
}
class Haanga_Compiler_Lexer
{
private $data;
private $N;
public $token;
public $value;
private $line;
private $state = 1;
private $ignore_whitespace;
function __construct($data, $whitespace=FALSE)
{
$this->data = $data;
$this->N = 0;
$this->ignore_whitespace = $whitespace;
$this->line = 1;
}
function init($template, $ignore_whitespace=FALSE)
{
$lexer = new Haanga_Compiler_Lexer($template, $ignore_whitespace);
$parser = new Haanga_Compiler_Parser;
try {
for($i=0; ; $i++) {
if (!$lexer->yylex()) {
break;
}
$parser->doParse($lexer->token, $lexer->value);
}
} catch (Exception $e) {
throw new Haanga_Compiler_Exception($e->getMessage(). ' on line '.$lexer->getLine());
}
$parser->doParse(0, 0);
return (array)$parser->body;
}
function getLine()
{
return $this->line;
}
public $custom_tags=array();
function is_custom_tag()
{
static $tag=NULL;
if (!$tag) {
$tag = Haanga_Extension::getInstance('Tag');
}
$value = $tag->isValid($this->value);
$this->token = $value ? $value : HG_Parser::T_ALPHA;
}
/*!lex2php
%input $this->data
%counter $this->N
%token $this->token
%value $this->value
%line $this->line
alpha = /([a-zA-Z_][a-zA-Z_0-9]*)/
number = /[0-9]/
numerals = /([0-9])+/
whitespace = /[ \r\t\n]+/
html = /([^{]+(.[^%{#])?)+/
comment = /([^\#]+\#\})+/
custom_tag_end = /end([a-zA-Z][a-zA-Z0-9]*)/
token_end = /[^a-zA-Z0-9_\.]/
single_string = /[^'\\]+/
double_string = /[^"\\]+/
*/
/*!lex2php
%statename IN_HTML
"{%" {
$this->token = HG_Parser::T_OPEN_TAG;
$this->yypushstate(self::IN_CODE);
}
"{#" {
$this->token = HG_Parser::T_COMMENT_OPEN;
$this->yypushstate(self::IN_COMMENT);
}
"{{" {
$this->token = HG_Parser::T_PRINT_OPEN;
$this->yypushstate(self::IN_PRINT);
}
html {
$this->token = HG_Parser::T_HTML;
}
*/
/*!lex2php
%statename IN_CODE
"%}" {
$this->token = HG_Parser::T_CLOSE_TAG;
$this->yypopstate();
}
"." {
$this->token = HG_Parser::T_DOT;
}
"for" token_end {
$this->token = HG_Parser::T_FOR;
}
"empty" token_end {
$this->token = HG_Parser::T_EMPTY;
}
"load" token_end {
$this->token = HG_Parser::T_LOAD;
}
"block" token_end {
$this->token = HG_Parser::T_BLOCK;
}
"&&" {
$this->token = HG_Parser::T_AND;
}
"AND" {
$this->token = HG_Parser::T_AND;
}
"||" {
$this->token = HG_Parser::T_OR;
}
"OR" {
$this->token = HG_Parser::T_OR;
}
"==" {
$this->token = HG_Parser::T_EQ;
}
"!=" {
$this->token = HG_Parser::T_NE;
}
">=" {
$this->token = HG_Parser::T_GE;
}
"[" {
$this->token = HG_Parser::T_BRACKETS_OPEN;
}
"]" {
$this->token = HG_Parser::T_BRACKETS_CLOSE;
}
">" {
$this->token = HG_Parser::T_GT;
}
"<" {
$this->token = HG_Parser::T_LT;
}
"=<" {
$this->token = HG_Parser::T_LE;
}
"|" {
$this->token = HG_Parser::T_PIPE;
}
":" {
$this->token = HG_Parser::T_COLON;
}
"filter" token_end {
$this->token = HG_Parser::T_FILTER;
}
"regroup" token_end {
$this->token = HG_Parser::T_REGROUP;
}
"endfilter" token_end {
$this->token = HG_Parser::T_END_FILTER;
}
"autoescape" token_end {
$this->token = HG_Parser::T_AUTOESCAPE;
}
"endautoescape" token_end {
$this->token = HG_Parser::T_END_AUTOESCAPE;
}
"endblock" token_end {
$this->token = HG_Parser::T_END_BLOCK;
}
"ifchanged" token_end {
$this->token = HG_Parser::T_IFCHANGED;
}
"ifequal" token_end {
$this->token = HG_Parser::T_IFEQUAL;
}
"endifequal" token_end {
$this->token = HG_Parser::T_END_IFEQUAL;
}
"ifnotequal" token_end {
$this->token = HG_Parser::T_IFNOTEQUAL;
}
"endifnotequal" token_end {
$this->token = HG_Parser::T_END_IFNOTEQUAL;
}
"else" token_end {
$this->token = HG_Parser::T_ELSE;
}
"endifchanged" token_end {
$this->token = HG_Parser::T_ENDIFCHANGED;
}
"in" token_end {
$this->token = HG_Parser::T_IN;
}
"endfor" token_end {
$this->token = HG_Parser::T_CLOSEFOR;
}
"with" token_end {
$this->token = HG_Parser::T_WITH;
}
"endwith" token_end {
$this->token = HG_Parser::T_ENDWITH;
}
"as" {
$this->token = HG_Parser::T_AS;
}
"on" {
$this->token = HG_Parser::T_ON;
}
"off" {
$this->token = HG_Parser::T_OFF;
}
"by" {
$this->token = HG_Parser::T_BY;
}
"if" token_end {
$this->token = HG_Parser::T_IF;
}
"else" token_end {
$this->token = HG_Parser::T_ELSE;
}
"endif" token_end {
$this->token = HG_Parser::T_ENDIF;
}
"(" {
$this->token = HG_Parser::T_LPARENT;
}
")" {
$this->token = HG_Parser::T_RPARENT;
}
"%" {
$this->token = HG_Parser::T_MOD;
}
"," {
$this->token = HG_Parser::T_COMMA;
}
"+" {
$this->token = HG_Parser::T_PLUS;
}
"*" {
$this->token = HG_Parser::T_TIMES;
}
"/" {
$this->token = HG_Parser::T_DIV;
}
"'" {
$this->token = HG_Parser::T_STRING_SINGLE_INIT;
$this->yypushstate(self::IN_STRING_SINGLE);
}
"\"" {
$this->token = HG_Parser::T_STRING_DOUBLE_INIT;
$this->yypushstate(self::IN_STRING_DOUBLE);
}
custom_tag_end {
$this->token = HG_Parser::T_CUSTOM_END;
}
"extends" token_end {
$this->token = HG_Parser::T_EXTENDS;
}
"include" token_end {
$this->token = HG_Parser::T_INCLUDE;
}
numerals {
$this->token = HG_Parser::T_NUMERIC;
}
numerals "." numerals {
$this->token = HG_Parser::T_NUMERIC;
}
alpha {
$this->is_custom_tag();
}
whitespace {
return FALSE;
}
*/
/*!lex2php
%statename IN_PRINT
"}}" {
$this->token = HG_Parser::T_PRINT_CLOSE;
$this->yypopstate();
}
"|" {
$this->token = HG_Parser::T_PIPE;
}
":" {
$this->token = HG_Parser::T_COLON;
}
"." {
$this->token = HG_Parser::T_DOT;
}
"[" {
$this->token = HG_Parser::T_BRACKETS_OPEN;
}
"]" {
$this->token = HG_Parser::T_BRACKETS_CLOSE;
}
numerals {
$this->token = HG_Parser::T_NUMERIC;
}
numerals "." numerals {
$this->token = HG_Parser::T_NUMERIC;
}
"'" {
$this->token = HG_Parser::T_STRING_SINGLE_INIT;
$this->yypushstate(self::IN_STRING_SINGLE);
}
"\"" {
$this->token = HG_Parser::T_STRING_DOUBLE_INIT;
$this->yypushstate(self::IN_STRING_DOUBLE);
}
alpha {
$this->token = HG_Parser::T_ALPHA;
}
whitespace {
return FALSE;
}
*/
/*!lex2php
%statename IN_STRING_DOUBLE
"\\" "\"" {
$this->token = HG_Parser::T_STRING_CONTENT;
$this->value = "\"";
$this->N += 1;
}
"\'" {
$this->token = HG_Parser::T_STRING_CONTENT;
$this->value = "'";
$this->N += 1;
}
"\"" {
$this->token = HG_Parser::T_STRING_DOUBLE_END;
$this->yypopstate();
}
double_string {
$this->token = HG_Parser::T_STRING_CONTENT;
}
*/
/*!lex2php
%statename IN_STRING_SINGLE
"\'" {
$this->token = HG_Parser::T_STRING_CONTENT;
$this->value = "'";
$this->N += 1;
}
"\\" "\"" {
$this->token = HG_Parser::T_STRING_CONTENT;
$this->value = "\"";
$this->N += 1;
}
"'" {
$this->token = HG_Parser::T_STRING_SINGLE_END;
$this->yypopstate();
}
single_string {
$this->token = HG_Parser::T_STRING_CONTENT;
}
*/
/*!lex2php
%statename IN_COMMENT
comment {
$this->token = HG_Parser::T_COMMENT;
$this->yypopstate();
}
*/
}
|
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