From e03cad02be75e10a01fc849124326f2810450c8a Mon Sep 17 00:00:00 2001 From: Timothy Warren Date: Tue, 27 Dec 2011 16:47:27 -0500 Subject: [PATCH] Created basic loader, added minifier, misc improvements --- app/config/config.php | 87 ++ app/config/routes.php | 7 + app/errors/error.php | 2 +- app/views/footer.php | 6 + app/views/header.php | 11 + app/views/message.php | 5 + assets/config/JSMinPlus.php | 2086 ++++++++++++++++++++++++++++++++++ assets/config/config.php | 56 + assets/config/css_groups.php | 15 + assets/config/js_groups.php | 11 + assets/css.php | 106 ++ assets/js.php | 144 +++ index.php | 7 +- sys/common.php | 173 ++- sys/db.php | 2 +- sys/miniMVC.php | 112 +- sys/page.php | 516 +++++++++ 17 files changed, 3233 insertions(+), 113 deletions(-) create mode 100644 app/config/routes.php create mode 100644 app/views/footer.php create mode 100644 app/views/header.php create mode 100644 app/views/message.php create mode 100755 assets/config/JSMinPlus.php create mode 100755 assets/config/config.php create mode 100755 assets/config/css_groups.php create mode 100755 assets/config/js_groups.php create mode 100755 assets/css.php create mode 100755 assets/js.php create mode 100644 sys/page.php diff --git a/app/config/config.php b/app/config/config.php index 447e78b..2171d33 100644 --- a/app/config/config.php +++ b/app/config/config.php @@ -1,5 +1,92 @@ '', + + /* + |-------------------------------------------------------------------------- + | Content Domain + |-------------------------------------------------------------------------- + | + | This is the domain used for serving content, such as css, javascript. + | + */ + 'content_domain' => '', + + /* + |-------------------------------------------------------------------------- + | Static Lib Path + |-------------------------------------------------------------------------- + | + | This is the path where the 'assets' directory is on the static domain. + | + */ + 'static_lib_path' => $config['content_domain'].'assets/', + + /* + |-------------------------------------------------------------------------- + | Group Style Path + |-------------------------------------------------------------------------- + | + | This is the path that is used to determine the relative path to the + | stylesheet minifier. This should not need to be changed. + | + */ + 'style_path' => $config['static_lib_path'] . '/css.php/g/'; + + /* + |-------------------------------------------------------------------------- + | Group Javascript Path + |-------------------------------------------------------------------------- + | + | This is the path that is used to determine the relative path to the + | javascript minifier. This should not need to be changed. + | + */ + 'script_path' => $config['static_lib_path'] . '/js.php/g/'; + + + /* + |-------------------------------------------------------------------------- + | Default title + |-------------------------------------------------------------------------- + | + | Default title for webpages + | + */ + + 'default_title' => "Tim's Home Page", + + /* + |-------------------------------------------------------------------------- + | Default css group + |-------------------------------------------------------------------------- + | + | Default css group + | + */ + + 'default_css_group' => "css", + + /* + |-------------------------------------------------------------------------- + | Default js group + |-------------------------------------------------------------------------- + | + | Default js group + | + */ + + 'default_js_group' => "js", ); diff --git a/app/config/routes.php b/app/config/routes.php new file mode 100644 index 0000000..7c6ddb6 --- /dev/null +++ b/app/config/routes.php @@ -0,0 +1,7 @@ + 'test', + 'default_module' => 'default', +); \ No newline at end of file diff --git a/app/errors/error.php b/app/errors/error.php index eea3ff7..7d87fac 100644 --- a/app/errors/error.php +++ b/app/errors/error.php @@ -11,7 +11,7 @@

Backtrace:

- +

File:
Line:
diff --git a/app/views/footer.php b/app/views/footer.php new file mode 100644 index 0000000..0cdb415 --- /dev/null +++ b/app/views/footer.php @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/app/views/header.php b/app/views/header.php new file mode 100644 index 0000000..3724fe5 --- /dev/null +++ b/app/views/header.php @@ -0,0 +1,11 @@ + + + + + +<?= $title ?> + + + + +> \ No newline at end of file diff --git a/app/views/message.php b/app/views/message.php new file mode 100644 index 0000000..fba8c99 --- /dev/null +++ b/app/views/message.php @@ -0,0 +1,5 @@ +

+ + + +
\ No newline at end of file diff --git a/assets/config/JSMinPlus.php b/assets/config/JSMinPlus.php new file mode 100755 index 0000000..6bd9e8c --- /dev/null +++ b/assets/config/JSMinPlus.php @@ -0,0 +1,2086 @@ + + * + * Usage: $minified = JSMinPlus::minify($script [, $filename]) + * + * Versionlog (see also changelog.txt): + * 23-07-2011 - remove dynamic creation of OP_* and KEYWORD_* defines and declare them on top + * reduce memory footprint by minifying by block-scope + * some small byte-saving and performance improvements + * 12-05-2009 - fixed hook:colon precedence, fixed empty body in loop and if-constructs + * 18-04-2009 - fixed crashbug in PHP 5.2.9 and several other bugfixes + * 12-04-2009 - some small bugfixes and performance improvements + * 09-04-2009 - initial open sourced version 1.0 + * + * Latest version of this script: http://files.tweakers.net/jsminplus/jsminplus.zip + * + */ + +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is the Narcissus JavaScript engine. + * + * The Initial Developer of the Original Code is + * Brendan Eich . + * Portions created by the Initial Developer are Copyright © 2004 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): Tino Zijdel + * PHP port, modifications and minifier routine are © 2009-2011 + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +define('TOKEN_END', 1); +define('TOKEN_NUMBER', 2); +define('TOKEN_IDENTIFIER', 3); +define('TOKEN_STRING', 4); +define('TOKEN_REGEXP', 5); +define('TOKEN_NEWLINE', 6); +define('TOKEN_CONDCOMMENT_START', 7); +define('TOKEN_CONDCOMMENT_END', 8); + +define('JS_SCRIPT', 100); +define('JS_BLOCK', 101); +define('JS_LABEL', 102); +define('JS_FOR_IN', 103); +define('JS_CALL', 104); +define('JS_NEW_WITH_ARGS', 105); +define('JS_INDEX', 106); +define('JS_ARRAY_INIT', 107); +define('JS_OBJECT_INIT', 108); +define('JS_PROPERTY_INIT', 109); +define('JS_GETTER', 110); +define('JS_SETTER', 111); +define('JS_GROUP', 112); +define('JS_LIST', 113); + +define('JS_MINIFIED', 999); + +define('DECLARED_FORM', 0); +define('EXPRESSED_FORM', 1); +define('STATEMENT_FORM', 2); + +/* Operators */ +define('OP_SEMICOLON', ';'); +define('OP_COMMA', ','); +define('OP_HOOK', '?'); +define('OP_COLON', ':'); +define('OP_OR', '||'); +define('OP_AND', '&&'); +define('OP_BITWISE_OR', '|'); +define('OP_BITWISE_XOR', '^'); +define('OP_BITWISE_AND', '&'); +define('OP_STRICT_EQ', '==='); +define('OP_EQ', '=='); +define('OP_ASSIGN', '='); +define('OP_STRICT_NE', '!=='); +define('OP_NE', '!='); +define('OP_LSH', '<<'); +define('OP_LE', '<='); +define('OP_LT', '<'); +define('OP_URSH', '>>>'); +define('OP_RSH', '>>'); +define('OP_GE', '>='); +define('OP_GT', '>'); +define('OP_INCREMENT', '++'); +define('OP_DECREMENT', '--'); +define('OP_PLUS', '+'); +define('OP_MINUS', '-'); +define('OP_MUL', '*'); +define('OP_DIV', '/'); +define('OP_MOD', '%'); +define('OP_NOT', '!'); +define('OP_BITWISE_NOT', '~'); +define('OP_DOT', '.'); +define('OP_LEFT_BRACKET', '['); +define('OP_RIGHT_BRACKET', ']'); +define('OP_LEFT_CURLY', '{'); +define('OP_RIGHT_CURLY', '}'); +define('OP_LEFT_PAREN', '('); +define('OP_RIGHT_PAREN', ')'); +define('OP_CONDCOMMENT_END', '@*/'); + +define('OP_UNARY_PLUS', 'U+'); +define('OP_UNARY_MINUS', 'U-'); + +/* Keywords */ +define('KEYWORD_BREAK', 'break'); +define('KEYWORD_CASE', 'case'); +define('KEYWORD_CATCH', 'catch'); +define('KEYWORD_CONST', 'const'); +define('KEYWORD_CONTINUE', 'continue'); +define('KEYWORD_DEBUGGER', 'debugger'); +define('KEYWORD_DEFAULT', 'default'); +define('KEYWORD_DELETE', 'delete'); +define('KEYWORD_DO', 'do'); +define('KEYWORD_ELSE', 'else'); +define('KEYWORD_ENUM', 'enum'); +define('KEYWORD_FALSE', 'false'); +define('KEYWORD_FINALLY', 'finally'); +define('KEYWORD_FOR', 'for'); +define('KEYWORD_FUNCTION', 'function'); +define('KEYWORD_IF', 'if'); +define('KEYWORD_IN', 'in'); +define('KEYWORD_INSTANCEOF', 'instanceof'); +define('KEYWORD_NEW', 'new'); +define('KEYWORD_NULL', 'null'); +define('KEYWORD_RETURN', 'return'); +define('KEYWORD_SWITCH', 'switch'); +define('KEYWORD_THIS', 'this'); +define('KEYWORD_THROW', 'throw'); +define('KEYWORD_TRUE', 'true'); +define('KEYWORD_TRY', 'try'); +define('KEYWORD_TYPEOF', 'typeof'); +define('KEYWORD_VAR', 'var'); +define('KEYWORD_VOID', 'void'); +define('KEYWORD_WHILE', 'while'); +define('KEYWORD_WITH', 'with'); + + +class JSMinPlus +{ + private $parser; + private $reserved = array( + 'break', 'case', 'catch', 'continue', 'default', 'delete', 'do', + 'else', 'finally', 'for', 'function', 'if', 'in', 'instanceof', + 'new', 'return', 'switch', 'this', 'throw', 'try', 'typeof', 'var', + 'void', 'while', 'with', + // Words reserved for future use + 'abstract', 'boolean', 'byte', 'char', 'class', 'const', 'debugger', + 'double', 'enum', 'export', 'extends', 'final', 'float', 'goto', + 'implements', 'import', 'int', 'interface', 'long', 'native', + 'package', 'private', 'protected', 'public', 'short', 'static', + 'super', 'synchronized', 'throws', 'transient', 'volatile', + // These are not reserved, but should be taken into account + // in isValidIdentifier (See jslint source code) + 'arguments', 'eval', 'true', 'false', 'Infinity', 'NaN', 'null', 'undefined' + ); + + private function __construct() + { + $this->parser = new JSParser($this); + } + + public static function minify($js, $filename='') + { + static $instance; + + // this is a singleton + if(!$instance) + $instance = new JSMinPlus(); + + return $instance->min($js, $filename); + } + + private function min($js, $filename) + { + try + { + $n = $this->parser->parse($js, $filename, 1); + return $this->parseTree($n); + } + catch(Exception $e) + { + echo $e->getMessage() . "\n"; + } + + return false; + } + + public function parseTree($n, $noBlockGrouping = false) + { + $s = ''; + + switch ($n->type) + { + case JS_MINIFIED: + $s = $n->value; + break; + + case JS_SCRIPT: + // we do nothing yet with funDecls or varDecls + $noBlockGrouping = true; + // FALL THROUGH + + case JS_BLOCK: + $childs = $n->treeNodes; + $lastType = 0; + for ($c = 0, $i = 0, $j = count($childs); $i < $j; $i++) + { + $type = $childs[$i]->type; + $t = $this->parseTree($childs[$i]); + if (strlen($t)) + { + if ($c) + { + $s = rtrim($s, ';'); + + if ($type == KEYWORD_FUNCTION && $childs[$i]->functionForm == DECLARED_FORM) + { + // put declared functions on a new line + $s .= "\n"; + } + elseif ($type == KEYWORD_VAR && $type == $lastType) + { + // mutiple var-statements can go into one + $t = ',' . substr($t, 4); + } + else + { + // add terminator + $s .= ';'; + } + } + + $s .= $t; + + $c++; + $lastType = $type; + } + } + + if ($c > 1 && !$noBlockGrouping) + { + $s = '{' . $s . '}'; + } + break; + + case KEYWORD_FUNCTION: + $s .= 'function' . ($n->name ? ' ' . $n->name : '') . '('; + $params = $n->params; + for ($i = 0, $j = count($params); $i < $j; $i++) + $s .= ($i ? ',' : '') . $params[$i]; + $s .= '){' . $this->parseTree($n->body, true) . '}'; + break; + + case KEYWORD_IF: + $s = 'if(' . $this->parseTree($n->condition) . ')'; + $thenPart = $this->parseTree($n->thenPart); + $elsePart = $n->elsePart ? $this->parseTree($n->elsePart) : null; + + // empty if-statement + if ($thenPart == '') + $thenPart = ';'; + + if ($elsePart) + { + // be carefull and always make a block out of the thenPart; could be more optimized but is a lot of trouble + if ($thenPart != ';' && $thenPart[0] != '{') + $thenPart = '{' . $thenPart . '}'; + + $s .= $thenPart . 'else'; + + // we could check for more, but that hardly ever applies so go for performance + if ($elsePart[0] != '{') + $s .= ' '; + + $s .= $elsePart; + } + else + { + $s .= $thenPart; + } + break; + + case KEYWORD_SWITCH: + $s = 'switch(' . $this->parseTree($n->discriminant) . '){'; + $cases = $n->cases; + for ($i = 0, $j = count($cases); $i < $j; $i++) + { + $case = $cases[$i]; + if ($case->type == KEYWORD_CASE) + $s .= 'case' . ($case->caseLabel->type != TOKEN_STRING ? ' ' : '') . $this->parseTree($case->caseLabel) . ':'; + else + $s .= 'default:'; + + $statement = $this->parseTree($case->statements, true); + if ($statement) + { + $s .= $statement; + // no terminator for last statement + if ($i + 1 < $j) + $s .= ';'; + } + } + $s .= '}'; + break; + + case KEYWORD_FOR: + $s = 'for(' . ($n->setup ? $this->parseTree($n->setup) : '') + . ';' . ($n->condition ? $this->parseTree($n->condition) : '') + . ';' . ($n->update ? $this->parseTree($n->update) : '') . ')'; + + $body = $this->parseTree($n->body); + if ($body == '') + $body = ';'; + + $s .= $body; + break; + + case KEYWORD_WHILE: + $s = 'while(' . $this->parseTree($n->condition) . ')'; + + $body = $this->parseTree($n->body); + if ($body == '') + $body = ';'; + + $s .= $body; + break; + + case JS_FOR_IN: + $s = 'for(' . ($n->varDecl ? $this->parseTree($n->varDecl) : $this->parseTree($n->iterator)) . ' in ' . $this->parseTree($n->object) . ')'; + + $body = $this->parseTree($n->body); + if ($body == '') + $body = ';'; + + $s .= $body; + break; + + case KEYWORD_DO: + $s = 'do{' . $this->parseTree($n->body, true) . '}while(' . $this->parseTree($n->condition) . ')'; + break; + + case KEYWORD_BREAK: + case KEYWORD_CONTINUE: + $s = $n->value . ($n->label ? ' ' . $n->label : ''); + break; + + case KEYWORD_TRY: + $s = 'try{' . $this->parseTree($n->tryBlock, true) . '}'; + $catchClauses = $n->catchClauses; + for ($i = 0, $j = count($catchClauses); $i < $j; $i++) + { + $t = $catchClauses[$i]; + $s .= 'catch(' . $t->varName . ($t->guard ? ' if ' . $this->parseTree($t->guard) : '') . '){' . $this->parseTree($t->block, true) . '}'; + } + if ($n->finallyBlock) + $s .= 'finally{' . $this->parseTree($n->finallyBlock, true) . '}'; + break; + + case KEYWORD_THROW: + case KEYWORD_RETURN: + $s = $n->type; + if ($n->value) + { + $t = $this->parseTree($n->value); + if (strlen($t)) + { + if ($this->isWordChar($t[0]) || $t[0] == '\\') + $s .= ' '; + + $s .= $t; + } + } + break; + + case KEYWORD_WITH: + $s = 'with(' . $this->parseTree($n->object) . ')' . $this->parseTree($n->body); + break; + + case KEYWORD_VAR: + case KEYWORD_CONST: + $s = $n->value . ' '; + $childs = $n->treeNodes; + for ($i = 0, $j = count($childs); $i < $j; $i++) + { + $t = $childs[$i]; + $s .= ($i ? ',' : '') . $t->name; + $u = $t->initializer; + if ($u) + $s .= '=' . $this->parseTree($u); + } + break; + + case KEYWORD_IN: + case KEYWORD_INSTANCEOF: + $left = $this->parseTree($n->treeNodes[0]); + $right = $this->parseTree($n->treeNodes[1]); + + $s = $left; + + if ($this->isWordChar(substr($left, -1))) + $s .= ' '; + + $s .= $n->type; + + if ($this->isWordChar($right[0]) || $right[0] == '\\') + $s .= ' '; + + $s .= $right; + break; + + case KEYWORD_DELETE: + case KEYWORD_TYPEOF: + $right = $this->parseTree($n->treeNodes[0]); + + $s = $n->type; + + if ($this->isWordChar($right[0]) || $right[0] == '\\') + $s .= ' '; + + $s .= $right; + break; + + case KEYWORD_VOID: + $s = 'void(' . $this->parseTree($n->treeNodes[0]) . ')'; + break; + + case KEYWORD_DEBUGGER: + throw new Exception('NOT IMPLEMENTED: DEBUGGER'); + break; + + case TOKEN_CONDCOMMENT_START: + case TOKEN_CONDCOMMENT_END: + $s = $n->value . ($n->type == TOKEN_CONDCOMMENT_START ? ' ' : ''); + $childs = $n->treeNodes; + for ($i = 0, $j = count($childs); $i < $j; $i++) + $s .= $this->parseTree($childs[$i]); + break; + + case OP_SEMICOLON: + if ($expression = $n->expression) + $s = $this->parseTree($expression); + break; + + case JS_LABEL: + $s = $n->label . ':' . $this->parseTree($n->statement); + break; + + case OP_COMMA: + $childs = $n->treeNodes; + for ($i = 0, $j = count($childs); $i < $j; $i++) + $s .= ($i ? ',' : '') . $this->parseTree($childs[$i]); + break; + + case OP_ASSIGN: + $s = $this->parseTree($n->treeNodes[0]) . $n->value . $this->parseTree($n->treeNodes[1]); + break; + + case OP_HOOK: + $s = $this->parseTree($n->treeNodes[0]) . '?' . $this->parseTree($n->treeNodes[1]) . ':' . $this->parseTree($n->treeNodes[2]); + break; + + case OP_OR: case OP_AND: + case OP_BITWISE_OR: case OP_BITWISE_XOR: case OP_BITWISE_AND: + case OP_EQ: case OP_NE: case OP_STRICT_EQ: case OP_STRICT_NE: + case OP_LT: case OP_LE: case OP_GE: case OP_GT: + case OP_LSH: case OP_RSH: case OP_URSH: + case OP_MUL: case OP_DIV: case OP_MOD: + $s = $this->parseTree($n->treeNodes[0]) . $n->type . $this->parseTree($n->treeNodes[1]); + break; + + case OP_PLUS: + case OP_MINUS: + $left = $this->parseTree($n->treeNodes[0]); + $right = $this->parseTree($n->treeNodes[1]); + + switch ($n->treeNodes[1]->type) + { + case OP_PLUS: + case OP_MINUS: + case OP_INCREMENT: + case OP_DECREMENT: + case OP_UNARY_PLUS: + case OP_UNARY_MINUS: + $s = $left . $n->type . ' ' . $right; + break; + + case TOKEN_STRING: + //combine concatted strings with same quotestyle + if ($n->type == OP_PLUS && substr($left, -1) == $right[0]) + { + $s = substr($left, 0, -1) . substr($right, 1); + break; + } + // FALL THROUGH + + default: + $s = $left . $n->type . $right; + } + break; + + case OP_NOT: + case OP_BITWISE_NOT: + case OP_UNARY_PLUS: + case OP_UNARY_MINUS: + $s = $n->value . $this->parseTree($n->treeNodes[0]); + break; + + case OP_INCREMENT: + case OP_DECREMENT: + if ($n->postfix) + $s = $this->parseTree($n->treeNodes[0]) . $n->value; + else + $s = $n->value . $this->parseTree($n->treeNodes[0]); + break; + + case OP_DOT: + $s = $this->parseTree($n->treeNodes[0]) . '.' . $this->parseTree($n->treeNodes[1]); + break; + + case JS_INDEX: + $s = $this->parseTree($n->treeNodes[0]); + // See if we can replace named index with a dot saving 3 bytes + if ( $n->treeNodes[0]->type == TOKEN_IDENTIFIER && + $n->treeNodes[1]->type == TOKEN_STRING && + $this->isValidIdentifier(substr($n->treeNodes[1]->value, 1, -1)) + ) + $s .= '.' . substr($n->treeNodes[1]->value, 1, -1); + else + $s .= '[' . $this->parseTree($n->treeNodes[1]) . ']'; + break; + + case JS_LIST: + $childs = $n->treeNodes; + for ($i = 0, $j = count($childs); $i < $j; $i++) + $s .= ($i ? ',' : '') . $this->parseTree($childs[$i]); + break; + + case JS_CALL: + $s = $this->parseTree($n->treeNodes[0]) . '(' . $this->parseTree($n->treeNodes[1]) . ')'; + break; + + case KEYWORD_NEW: + case JS_NEW_WITH_ARGS: + $s = 'new ' . $this->parseTree($n->treeNodes[0]) . '(' . ($n->type == JS_NEW_WITH_ARGS ? $this->parseTree($n->treeNodes[1]) : '') . ')'; + break; + + case JS_ARRAY_INIT: + $s = '['; + $childs = $n->treeNodes; + for ($i = 0, $j = count($childs); $i < $j; $i++) + { + $s .= ($i ? ',' : '') . $this->parseTree($childs[$i]); + } + $s .= ']'; + break; + + case JS_OBJECT_INIT: + $s = '{'; + $childs = $n->treeNodes; + for ($i = 0, $j = count($childs); $i < $j; $i++) + { + $t = $childs[$i]; + if ($i) + $s .= ','; + if ($t->type == JS_PROPERTY_INIT) + { + // Ditch the quotes when the index is a valid identifier + if ( $t->treeNodes[0]->type == TOKEN_STRING && + $this->isValidIdentifier(substr($t->treeNodes[0]->value, 1, -1)) + ) + $s .= substr($t->treeNodes[0]->value, 1, -1); + else + $s .= $t->treeNodes[0]->value; + + $s .= ':' . $this->parseTree($t->treeNodes[1]); + } + else + { + $s .= $t->type == JS_GETTER ? 'get' : 'set'; + $s .= ' ' . $t->name . '('; + $params = $t->params; + for ($i = 0, $j = count($params); $i < $j; $i++) + $s .= ($i ? ',' : '') . $params[$i]; + $s .= '){' . $this->parseTree($t->body, true) . '}'; + } + } + $s .= '}'; + break; + + case TOKEN_NUMBER: + $s = $n->value; + if (preg_match('/^([1-9]+)(0{3,})$/', $s, $m)) + $s = $m[1] . 'e' . strlen($m[2]); + break; + + case KEYWORD_NULL: case KEYWORD_THIS: case KEYWORD_TRUE: case KEYWORD_FALSE: + case TOKEN_IDENTIFIER: case TOKEN_STRING: case TOKEN_REGEXP: + $s = $n->value; + break; + + case JS_GROUP: + if (in_array( + $n->treeNodes[0]->type, + array( + JS_ARRAY_INIT, JS_OBJECT_INIT, JS_GROUP, + TOKEN_NUMBER, TOKEN_STRING, TOKEN_REGEXP, TOKEN_IDENTIFIER, + KEYWORD_NULL, KEYWORD_THIS, KEYWORD_TRUE, KEYWORD_FALSE + ) + )) + { + $s = $this->parseTree($n->treeNodes[0]); + } + else + { + $s = '(' . $this->parseTree($n->treeNodes[0]) . ')'; + } + break; + + default: + throw new Exception('UNKNOWN TOKEN TYPE: ' . $n->type); + } + + return $s; + } + + private function isValidIdentifier($string) + { + return preg_match('/^[a-zA-Z_][a-zA-Z0-9_]*$/', $string) && !in_array($string, $this->reserved); + } + + private function isWordChar($char) + { + return $char == '_' || $char == '$' || ctype_alnum($char); + } +} + +class JSParser +{ + private $t; + private $minifier; + + private $opPrecedence = array( + ';' => 0, + ',' => 1, + '=' => 2, '?' => 2, ':' => 2, + // The above all have to have the same precedence, see bug 330975 + '||' => 4, + '&&' => 5, + '|' => 6, + '^' => 7, + '&' => 8, + '==' => 9, '!=' => 9, '===' => 9, '!==' => 9, + '<' => 10, '<=' => 10, '>=' => 10, '>' => 10, 'in' => 10, 'instanceof' => 10, + '<<' => 11, '>>' => 11, '>>>' => 11, + '+' => 12, '-' => 12, + '*' => 13, '/' => 13, '%' => 13, + 'delete' => 14, 'void' => 14, 'typeof' => 14, + '!' => 14, '~' => 14, 'U+' => 14, 'U-' => 14, + '++' => 15, '--' => 15, + 'new' => 16, + '.' => 17, + JS_NEW_WITH_ARGS => 0, JS_INDEX => 0, JS_CALL => 0, + JS_ARRAY_INIT => 0, JS_OBJECT_INIT => 0, JS_GROUP => 0 + ); + + private $opArity = array( + ',' => -2, + '=' => 2, + '?' => 3, + '||' => 2, + '&&' => 2, + '|' => 2, + '^' => 2, + '&' => 2, + '==' => 2, '!=' => 2, '===' => 2, '!==' => 2, + '<' => 2, '<=' => 2, '>=' => 2, '>' => 2, 'in' => 2, 'instanceof' => 2, + '<<' => 2, '>>' => 2, '>>>' => 2, + '+' => 2, '-' => 2, + '*' => 2, '/' => 2, '%' => 2, + 'delete' => 1, 'void' => 1, 'typeof' => 1, + '!' => 1, '~' => 1, 'U+' => 1, 'U-' => 1, + '++' => 1, '--' => 1, + 'new' => 1, + '.' => 2, + JS_NEW_WITH_ARGS => 2, JS_INDEX => 2, JS_CALL => 2, + JS_ARRAY_INIT => 1, JS_OBJECT_INIT => 1, JS_GROUP => 1, + TOKEN_CONDCOMMENT_START => 1, TOKEN_CONDCOMMENT_END => 1 + ); + + public function __construct($minifier=null) + { + $this->minifier = $minifier; + $this->t = new JSTokenizer(); + } + + public function parse($s, $f, $l) + { + // initialize tokenizer + $this->t->init($s, $f, $l); + + $x = new JSCompilerContext(false); + $n = $this->Script($x); + if (!$this->t->isDone()) + throw $this->t->newSyntaxError('Syntax error'); + + return $n; + } + + private function Script($x) + { + $n = $this->Statements($x); + $n->type = JS_SCRIPT; + $n->funDecls = $x->funDecls; + $n->varDecls = $x->varDecls; + + // minify by scope + if ($this->minifier) + { + $n->value = $this->minifier->parseTree($n); + + // clear tree from node to save memory + $n->treeNodes = null; + $n->funDecls = null; + $n->varDecls = null; + + $n->type = JS_MINIFIED; + } + + return $n; + } + + private function Statements($x) + { + $n = new JSNode($this->t, JS_BLOCK); + array_push($x->stmtStack, $n); + + while (!$this->t->isDone() && $this->t->peek() != OP_RIGHT_CURLY) + $n->addNode($this->Statement($x)); + + array_pop($x->stmtStack); + + return $n; + } + + private function Block($x) + { + $this->t->mustMatch(OP_LEFT_CURLY); + $n = $this->Statements($x); + $this->t->mustMatch(OP_RIGHT_CURLY); + + return $n; + } + + private function Statement($x) + { + $tt = $this->t->get(); + $n2 = null; + + // Cases for statements ending in a right curly return early, avoiding the + // common semicolon insertion magic after this switch. + switch ($tt) + { + case KEYWORD_FUNCTION: + return $this->FunctionDefinition( + $x, + true, + count($x->stmtStack) > 1 ? STATEMENT_FORM : DECLARED_FORM + ); + break; + + case OP_LEFT_CURLY: + $n = $this->Statements($x); + $this->t->mustMatch(OP_RIGHT_CURLY); + return $n; + + case KEYWORD_IF: + $n = new JSNode($this->t); + $n->condition = $this->ParenExpression($x); + array_push($x->stmtStack, $n); + $n->thenPart = $this->Statement($x); + $n->elsePart = $this->t->match(KEYWORD_ELSE) ? $this->Statement($x) : null; + array_pop($x->stmtStack); + return $n; + + case KEYWORD_SWITCH: + $n = new JSNode($this->t); + $this->t->mustMatch(OP_LEFT_PAREN); + $n->discriminant = $this->Expression($x); + $this->t->mustMatch(OP_RIGHT_PAREN); + $n->cases = array(); + $n->defaultIndex = -1; + + array_push($x->stmtStack, $n); + + $this->t->mustMatch(OP_LEFT_CURLY); + + while (($tt = $this->t->get()) != OP_RIGHT_CURLY) + { + switch ($tt) + { + case KEYWORD_DEFAULT: + if ($n->defaultIndex >= 0) + throw $this->t->newSyntaxError('More than one switch default'); + // FALL THROUGH + case KEYWORD_CASE: + $n2 = new JSNode($this->t); + if ($tt == KEYWORD_DEFAULT) + $n->defaultIndex = count($n->cases); + else + $n2->caseLabel = $this->Expression($x, OP_COLON); + break; + default: + throw $this->t->newSyntaxError('Invalid switch case'); + } + + $this->t->mustMatch(OP_COLON); + $n2->statements = new JSNode($this->t, JS_BLOCK); + while (($tt = $this->t->peek()) != KEYWORD_CASE && $tt != KEYWORD_DEFAULT && $tt != OP_RIGHT_CURLY) + $n2->statements->addNode($this->Statement($x)); + + array_push($n->cases, $n2); + } + + array_pop($x->stmtStack); + return $n; + + case KEYWORD_FOR: + $n = new JSNode($this->t); + $n->isLoop = true; + $this->t->mustMatch(OP_LEFT_PAREN); + + if (($tt = $this->t->peek()) != OP_SEMICOLON) + { + $x->inForLoopInit = true; + if ($tt == KEYWORD_VAR || $tt == KEYWORD_CONST) + { + $this->t->get(); + $n2 = $this->Variables($x); + } + else + { + $n2 = $this->Expression($x); + } + $x->inForLoopInit = false; + } + + if ($n2 && $this->t->match(KEYWORD_IN)) + { + $n->type = JS_FOR_IN; + if ($n2->type == KEYWORD_VAR) + { + if (count($n2->treeNodes) != 1) + { + throw $this->t->SyntaxError( + 'Invalid for..in left-hand side', + $this->t->filename, + $n2->lineno + ); + } + + // NB: n2[0].type == IDENTIFIER and n2[0].value == n2[0].name. + $n->iterator = $n2->treeNodes[0]; + $n->varDecl = $n2; + } + else + { + $n->iterator = $n2; + $n->varDecl = null; + } + + $n->object = $this->Expression($x); + } + else + { + $n->setup = $n2 ? $n2 : null; + $this->t->mustMatch(OP_SEMICOLON); + $n->condition = $this->t->peek() == OP_SEMICOLON ? null : $this->Expression($x); + $this->t->mustMatch(OP_SEMICOLON); + $n->update = $this->t->peek() == OP_RIGHT_PAREN ? null : $this->Expression($x); + } + + $this->t->mustMatch(OP_RIGHT_PAREN); + $n->body = $this->nest($x, $n); + return $n; + + case KEYWORD_WHILE: + $n = new JSNode($this->t); + $n->isLoop = true; + $n->condition = $this->ParenExpression($x); + $n->body = $this->nest($x, $n); + return $n; + + case KEYWORD_DO: + $n = new JSNode($this->t); + $n->isLoop = true; + $n->body = $this->nest($x, $n, KEYWORD_WHILE); + $n->condition = $this->ParenExpression($x); + if (!$x->ecmaStrictMode) + { + // '; + + return $tag; + } + + // -------------------------------------------------------------------------- + + /** + * Quick Build + * + * A function to make building pages faster + * @param mixed $view + * @param mixed $data + * @param bool $xhtml + * @param bool $html5 + */ + public function quick_build($view, $data, $xhtml = TRUE, $html5 = TRUE) + { + //Set up header + if ($title != '') + { + $this->set_title($title); + } + else + { + $this->set_title($this->MM->config->item('default_title')); + } + + $this->build_header($xhtml, $html5); + + //Load view(s) + if (is_array($view)) + { + foreach ($view as $v) + { + $this->MM->load->view($v, $data); + } + } + else + { + $this->MM->load->view($view, $data); + } + + //Create footer + $this->build_footer(); + } + + // -------------------------------------------------------------------------- + + /** + * Set Message + * + * Adds a message to the page + * @param string $type + * @param string $message + * @return void + */ + public function set_message($type, $message) + { + $data['stat_class'] = $type; + $data['message'] = $message; + + $this->MM->load->view('message', $data); + } + + // -------------------------------------------------------------------------- + + /** + * Redirect 303 + * + * Shortcut function for 303 redirect + * @param string $url + */ + function redirect_303($url) + { + $this->MM->output->set_header("HTTP/1.1 303 See Other"); + $this->MM->output->set_header("Location:" . $url); + } + + // -------------------------------------------------------------------------- + + private function _meta($params) + { + $string = " $v) + { + $string .= $k.'="'.$v.'" '; + } + + $string .= " />"; + + return $string; + } +} \ No newline at end of file