smarty 3 - first pass for tests

git-svn-id: http://piwigo.org/svn/trunk@23384 68402e56-0260-453c-a942-63ccdbb3a9ee

1 files changed, 144 insertions, 0 deletions

diff --git a/include/smarty/libs/sysplugins/smarty_internal_config_file_compiler.php b/include/smarty/libs/sysplugins/smarty_internal_config_file_compiler.php
new file mode 100644
index 000000000..b16a6940d
--- /dev/null
+++ b/include/smarty/libs/sysplugins/smarty_internal_config_file_compiler.php
@@ -0,0 +1,144 @@
+<?php
+/**
+ * Smarty Internal Plugin Config File Compiler
+ *
+ * This is the config file compiler class. It calls the lexer and parser to
+ * perform the compiling.
+ *
+ * @package Smarty
+ * @subpackage Config
+ * @author Uwe Tews
+ */
+
+/**
+ * Main config file compiler class
+ *
+ * @package Smarty
+ * @subpackage Config
+ */
+class Smarty_Internal_Config_File_Compiler {
+
+    /**
+     * Lexer object
+     *
+     * @var object
+     */
+    public $lex;
+
+    /**
+     * Parser object
+     *
+     * @var object
+     */
+    public $parser;
+
+    /**
+     * Smarty object
+     *
+     * @var Smarty object
+     */
+    public $smarty;
+
+    /**
+     * Smarty object
+     *
+     * @var Smarty_Internal_Config object
+     */
+    public $config;
+
+    /**
+     * Compiled config data sections and variables
+     *
+     * @var array
+     */
+    public $config_data = array();
+
+    /**
+     * Initialize compiler
+     *
+     * @param Smarty $smarty base instance
+     */
+    public function __construct($smarty)
+    {
+        $this->smarty = $smarty;
+        $this->config_data['sections'] = array();
+        $this->config_data['vars'] = array();
+    }
+
+    /**
+     * Method to compile a Smarty template.
+     *
+     * @param  Smarty_Internal_Config $config config object
+     * @return bool true if compiling succeeded, false if it failed
+     */
+    public function compileSource(Smarty_Internal_Config $config)
+    {
+        /* here is where the compiling takes place. Smarty
+          tags in the templates are replaces with PHP code,
+          then written to compiled files. */
+        $this->config = $config;
+        // get config file source
+        $_content = $config->source->content . "\n";
+        // on empty template just return
+        if ($_content == '') {
+            return true;
+        }
+        // init the lexer/parser to compile the config file
+        $lex = new Smarty_Internal_Configfilelexer($_content, $this->smarty);
+        $parser = new Smarty_Internal_Configfileparser($lex, $this);
+        if ($this->smarty->_parserdebug) $parser->PrintTrace();
+        // get tokens from lexer and parse them
+        while ($lex->yylex()) {
+            if ($this->smarty->_parserdebug) echo "<br>Parsing  {$parser->yyTokenName[$lex->token]} Token {$lex->value} Line {$lex->line} \n";
+            $parser->doParse($lex->token, $lex->value);
+        }
+        // finish parsing process
+        $parser->doParse(0, 0);
+        $config->compiled_config = '<?php $_config_vars = ' . var_export($this->config_data, true) . '; ?>';
+    }
+
+    /**
+     * display compiler error messages without dying
+     *
+     * If parameter $args is empty it is a parser detected syntax error.
+     * In this case the parser is called to obtain information about exspected tokens.
+     *
+     * If parameter $args contains a string this is used as error message
+     *
+     * @param string $args individual error message or null
+     */
+    public function trigger_config_file_error($args = null)
+    {
+        $this->lex = Smarty_Internal_Configfilelexer::instance();
+        $this->parser = Smarty_Internal_Configfileparser::instance();
+        // get template source line which has error
+        $line = $this->lex->line;
+        if (isset($args)) {
+            // $line--;
+        }
+        $match = preg_split("/\n/", $this->lex->data);
+        $error_text = "Syntax error in config file '{$this->config->source->filepath}' on line {$line} '{$match[$line-1]}' ";
+        if (isset($args)) {
+            // individual error message
+            $error_text .= $args;
+        } else {
+            // exspected token from parser
+            foreach ($this->parser->yy_get_expected_tokens($this->parser->yymajor) as $token) {
+                $exp_token = $this->parser->yyTokenName[$token];
+                if (isset($this->lex->smarty_token_names[$exp_token])) {
+                    // token type from lexer
+                    $expect[] = '"' . $this->lex->smarty_token_names[$exp_token] . '"';
+                } else {
+                    // otherwise internal token name
+                    $expect[] = $this->parser->yyTokenName[$token];
+                }
+            }
+            // output parser error message
+            $error_text .= ' - Unexpected "' . $this->lex->value . '", expected one of: ' . implode(' , ', $expect);
+        }
+        throw new SmartyCompilerException($error_text);
+    }
+
+}
+
+?>
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