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<?php /** * * PHP Get Method Command-like Interface * * Copyright (C) 2006 Matsuda Shota * http://sgssweb.com/ * admin@sgssweb.com * * ------------------------------------------------------------------------ * * 2006-4-20 First release. * */ /* Syntax: Function: function_name argment1,argment2,...; Constructor: {object_name:argment1,argment2,...} Variable: {variable_name} Property of variable: {variable_name.property_name} String: 'characters' "characters" Number: integer_number floating_number 0xhexadecimal_number 0Xhexadecimal_number #hexadecimal_number 0bbinary_number 0Bbinary_number Constant: constant_value */ class GMIExecution { var $nameTable = array(); // array var $commands = array(); // array var $pluggableSet = null; // GMIPluggableSet var $isDebugMode = false; // boolean function GMIExecution() { error_reporting(E_ERROR|E_WARNING|E_PARSE); } // void setPluggableSet(GMIPluggableSet pluggableSet) function setPluggableSet(&$pluggableSet) { $this->pluggableSet =& $pluggableSet; $this->prepareVariables($pluggableSet->getVariables()); } // void prepareVariables(array anArray) function prepareVariables($anArray = array()) { reset($anArray); while (list($name, $exp) = each($anArray)) { // split expression into variable name. $matches = array(); preg_match_all('/^\s*([\w\d]+)\s*$/', $name, $matches); // stop if expression is not valid if (count($matches[0]) == 0) { continue; } $name = $matches[1][0]; $this->nameTable[$name] = $this->createValue($exp); } } // GMIValue getVariable(string name) function getVariable($name) { return isset($this->nameTable[$name])? $this->nameTable[$name] : null; } // void setDebugMode(boolean isDebugMode) { function setDebugMode($isDebugMode) { error_reporting(E_ERROR|E_WARNING|E_PARSE); $this->isDebugMode = $isDebugMode; } // GMIValue createValue(string exp) function createValue($exp) { $exp = trim($exp); if (preg_match('/^\{\s*\w+(?:\w+\.\w+)?\s*\}$/', $exp)) { $value = new GMIVariable($this, $exp); } else if (preg_match('/^\{\s*\w+\:.*\}$/', $exp)) { $value = new GMIConstructor($this, $exp); } else if (preg_match('/^(?:(?:[-+]?\d*\.?\d+)|^(?:0[bB](?:[01]+))|^(?:(?:0[xX]|\#)(?:[\da-fA-F]+)))$/', $exp)) { $value = new GMINumber($this, $exp); } else if (preg_match('/^[a-zA-Z][\w\d\-]+$/', $exp)) { $value = new GMIConstant($this, $exp); } else if (preg_match('/^(?:\".*\"|\\\'.*\\\')$/', $exp)) { if (substr($exp, 0, 1) == "'") { $exp = preg_replace('/\\\\\'/', "'", substr($exp, 1, -1)); } else { $exp = preg_replace('/\\\\"/', "\"", substr($exp, 1, -1)); } $value = new GMIString($this, preg_replace('/(?<!\\\\)\\\\n/', "\n", $exp)); } else { $value = new GMIString($this, preg_replace('/(?<!\\\\)\\\\n/', "\n", $exp)); } return $value; } // boolean validateArguments(array types, array args); function validateArguments($types, &$args) { if (count($types) != count($args)) { return false; } reset($types); while (list($i) = each($types)) { if ($types[$i] === null) { break; } // constant if (is_array($types[$i])) { if ($args[$i]->getType() != 'constant') { return false; } reset($types[$i]); while (list($n) = each($types[$i])) { if ($args[$i]->getValue() == $types[$i][$n]) { break; } if ($n == count($types[$i])) { return false; } } } // value else if ($types[$i] != $args[$i]->getType()) { return false; } } return true; } // array extractArguments(int startIndex, int endIndex, array args) function extractArguments($startIndex, $endIndex, &$args) { $newArgs = array(); for ($i = $startIndex; $i <= $endIndex; $i ++) { $newArgs[$i - $startIndex] =& $args[$i]; } return $newArgs; } // mixed construct(string class, array args) function construct($class, &$args) { return null; } // GMIValue getProperty(GMIVariable variable, string property) function getProperty(&$variable, $property) { return null; } // void command(string name, array args) function command($name, &$args) { switch ($name) { case "debug": $this->setDebugMode(true); break; } } // void execute(string exp) function execute($exp = "") { if ($this->pluggableSet !== null) { $exp = $this->pluggableSet->getExpression(); } // add slash before ";" in such quoted value as "...", '...' or {...}. $lines = preg_replace_callback( '/(?<!\\\)\\\'(?:\\\\\'|[^\'])*(?:(?<!\\\)\\\')|'. '(?<!\\\)\"(?:\\\\"|[^"])*(?:(?<!\\\)\")|'. '(?<=\{)(?:[^{}]*(?:\{[^{}]*\})*[^{}]*)*(?=\})/', create_function('$matches', 'return preg_replace(\'/([;])/\', "\\\\\\\$1", $matches[0]);'), $exp ); // split expression into an array by unexcaped ";". $lines = preg_split('/\s*(?<!\\\)\;\s*/', $lines); $index = 0; reset($lines); while (list($i) = each($lines)) { // skip empty line. if ($lines[$i] == "") { continue; } // remove slashes inserted above. $lines[$i] = preg_replace_callback( '/(?<!\\\)\\\'(?:\\\\\'|[^\'])*(?:(?<!\\\)\\\')|'. '(?<!\\\)\"(?:\\\\"|[^"])*(?:(?<!\\\)\")|'. '(?<=\{)(?:[^{}]*(?:\{[^{}]*\})*[^{}]*)*(?=\})/', create_function('$matches', 'return preg_replace(\'/\\\\\([;])/\', "$1", $matches[0]);'), $lines[$i] ); // convert and store. $this->commands[$index] = new GMICommand($this, trim($lines[$i])); $this->commands[$index]->execute(); $index ++; } } // void debug() function debug() { echo "<html><body style=\"margin:0;padding:0;font-size:small;\">"; echo "<br /> <strong>Variables</strong><br />"; echo "<table style=\"border-collapse:collapse;border:solid 1px #dedede;font-size:small;\">"; echo "<tr style=\"background:#cccccc;border: solid 1px #aaaaaa;\">"; echo "<td style=\"color:white;border-right: solid 1px #aaaaaa;padding:0 10px;white-space:nowrap;\">Name</td>"; echo "<td style=\"color:white;border-right: solid 1px #aaaaaa;padding:0 10px;white-space:nowrap;text-align:center;\">Type</td>"; echo "<td style=\"color:white;border-right: solid 1px #aaaaaa;padding:0 10px;white-space:nowrap;\">Value (Structured)</td>"; echo "<td style=\"color:white;border-right: solid 1px #aaaaaa;padding:0 10px;white-space:nowrap;\">Expression</td>"; echo "</tr>"; reset($this->nameTable); $i = 0; while (list($name) = each($this->nameTable)) { echo "<tr>"; echo "<td style=\"background:".($i%2==0? "#edf3fe":"#ffffff").";border-right: solid 1px ".($i%2==0? "#ced4dd":"#dedede").";padding:2px 10px;white-space:nowrap;vertical-align:top;\"><strong>$name</strong></td>"; echo "<td style=\"background:".($i%2==0? "#e6ebf6":"#f7f7f7").";border-right: solid 1px ".($i%2==0? "#ced4dd":"#dedede").";padding:2px 10px;white-space:nowrap;text-align:center;vertical-align:top;\">".$this->nameTable[$name]->getType()."</td>"; echo "<td style=\"background:".($i%2==0? "#edf3fe":"#ffffff").";border-right: solid 1px ".($i%2==0? "#ced4dd":"#dedede").";padding:2px 10px;color:gray;\">"; ob_start(); var_dump($this->nameTable[$name]->getValue()); echo preg_replace('/\s\s/m', " ", nl2br(ob_get_clean())); echo "</td>"; echo "<td style=\"background:".($i%2==0? "#e6ebf6":"#f7f7f7").";border-right: solid 1px ".($i%2==0? "#ced4dd":"#dedede").";padding:2px 10px;\">".$this->nameTable[$name]->expression."</td>"; echo "</tr>"; $i ++; } echo "</table>"; echo "<br /> <strong>Commands</strong><br />"; echo "<table style=\"border-collapse:collapse;border:solid 1px #dedede;font-size:small;\">"; reset($this->commands); while (list($i) = each($this->commands)) { echo "<tr style=\"border-bottom:solid 1px #9cbaeb;\">"; echo "<td colspan=\"2\" style=\"background:#3875d7;color:white;padding:2px 5px;\"><strong>∨ ".$this->commands[$i]->name."</strong></td>"; echo "<td colspan=\"2\" style=\"text-align:right;background:#3875d7;color:#9cbaeb;padding:2px 5px;\">".$this->commands[$i]->expression."</span></td>"; echo "</tr>"; echo "<tr style=\"background:#cccccc;border: solid 1px #aaaaaa;\">"; echo "<td style=\"color:white;border-right: solid 1px #aaaaaa;padding:0 10px;white-space:nowrap;\">Argument</td>"; echo "<td style=\"color:white;border-right: solid 1px #aaaaaa;padding:0 10px;white-space:nowrap;text-align:center;\">Type</td>"; echo "<td style=\"color:white;border-right: solid 1px #aaaaaa;padding:0 10px;white-space:nowrap;\">Value (Structured)</td>"; echo "<td style=\"color:white;border-right: solid 1px #aaaaaa;padding:0 10px;white-space:nowrap;\">Expression</td>"; echo "</tr>"; reset($this->commands[$i]->arguments); while (list($n) = each($this->commands[$i]->arguments)) { echo "<tr>"; echo "<td style=\"background:".($n%2==0? "#edf3fe":"#ffffff").";border-right: solid 1px ".($n%2==0? "#ced4dd":"#dedede").";padding:2px 10px;white-space:nowrap;vertical-align:top\">Argument $n</td>"; echo "<td style=\"background:".($n%2==0? "#e6ebf6":"#f7f7f7").";border-right: solid 1px ".($n%2==0? "#ced4dd":"#dedede").";padding:2px 10px;white-space:nowrap;text-align:center;vertical-align:top\">".$this->commands[$i]->arguments[$n]->getType()."</td>"; echo "<td style=\"background:".($n%2==0? "#edf3fe":"#ffffff").";border-right: solid 1px ".($n%2==0? "#ced4dd":"#dedede").";padding:2px 10px;vertical-align:top;color:gray;\">"; ob_start(); var_dump($this->commands[$i]->arguments[$n]->getValue()); echo preg_replace('/\s\s/m', " ", nl2br(ob_get_clean())); echo "</td>"; echo "<td style=\"background:".($n%2==0? "#e6ebf6":"#f7f7f7").";border-right: solid 1px ".($n%2==0? "#ced4dd":"#dedede").";padding:2px 10px;vertical-align:top;\">".$this->commands[$i]->arguments[$n]->expression."</td>"; echo "</tr>"; } echo "</tr>"; } echo "</table>"; echo "</body></html>"; } } class GMIDefaultPluggableSet extends GMIPluggableSet { var $defaultVariables; // array var $expression; // string // GMIDefaultPluggableSet(string expression, array defaultVariables) function GMIDefaultPluggableSet($expression, $defaultVariables) { parent::GMIPluggableSet(); $this->expression = $expression; $this->defaultVariables = $defaultVariables; } // string getExpression() function getExpression() { return $this->expression; } // array getVariables() function getVariables() { return $this->defaultVariables; } } class GMIPluggableSet { // GMIPluggableSet() function GMIPluggableSet() { } // string getExpression() function getExpression() { return ""; } // array getVariables() function getVariables() { return array(); } } class GMIElement { var $execution = null; // GMIExecution var $expression = null; // string // GMIElement(GMIExecution execution) function GMIElement(&$execution, $expression) { $this->execution =& $execution; $this->expression = $expression; } } class GMICommand extends GMIElement { var $name = ""; // string var $arguments = array(); // array // GMICommand(GMIExecution execution, string expression) function GMICommand(&$execution, $expression) { parent::GMIElement($execution, $expression); // split expression into command name and arguments expression. $matches = array(); preg_match_all('/^(\w+)(?:\s+(.*)$|$)/', $expression, $matches); // stop if expression is not valid if (count($matches[0]) == 0) { return; } $this->name = $matches[1][0]; // stop if argument is empty if ($matches[2][0] == "") { return; } // add slash before "," in such quoted value as "...", '...' or {...}. $matches[2][0] = preg_replace_callback( '/(?<!\\\)\\\'(?:\\\\\'|[^\'])*(?:(?<!\\\)\\\')|'. '(?<!\\\)\"(?:\\\\"|[^"])*(?:(?<!\\\)\")|'. '(?<=\{)(?:[^{}]*(?:\{[^{}]*\})*[^{}]*)*(?=\})/', create_function('$matches', 'return preg_replace(\'/([,])/\', "\\\\\\\$1", $matches[0]);'), $matches[2][0] ); // split arguments expression into an array by unexcaped ",". $this->arguments = preg_split('/\s*(?<!\\\)\,\s*/', $matches[2][0]); reset($this->arguments); while (list($i) = each($this->arguments)) { // remove slashes inserted above. $this->arguments[$i] = preg_replace_callback( '/(?<!\\\)\\\'(?:\\\\\'|[^\'])*(?:(?<!\\\)\\\')|'. '(?<!\\\)\"(?:\\\\"|[^"])*(?:(?<!\\\)\")|'. '(?<=\{)(?:[^{}]*(?:\{[^{}]*\})*[^{}]*)*(?=\})/', create_function('$matches', 'return preg_replace(\'/\\\\\([,])/\', "$1", $matches[0]);'), $this->arguments[$i] ); // convert and store. $this->arguments[$i] = $this->execution->createValue($this->arguments[$i]); } } // void execute() function execute() { $this->execution->command($this->name, $this->arguments); } } class GMIValue extends GMIElement { var $value = null; // mixed // GMIValue(GMIExecution execution, string expression) function GMIValue(&$execution, $expression) { parent::GMIElement($execution, $expression); } // mixed getValue() function getValue() { return $this->expression; } // string getType() function getType() { return null; } } class GMIConstructor extends GMIValue { var $class; // string var $arguments; // array // GMIConstructor(GMIExecution execution, string expression) function GMIConstructor(&$execution, $expression) { parent::GMIValue($execution, $expression); // split expression into class name and arguments expression. $matches = array(); preg_match_all('/^\{\s*(\w+)\s*\:(?:\s*(.*)|\s*)\}$/', $expression, $matches); // stop if expression is not valid if (count($matches[0]) == 0) { return; } $this->class = $matches[1][0]; // add slash before "," in such quoted value as "..." or '...'. $matches[2][0] = preg_replace_callback( '/(?<!\\\)\\\'(?:\\\\\'|[^\'])*(?:(?<!\\\)\\\')|'. '(?<!\\\)\"(?:\\\\"|[^"])*(?:(?<!\\\)\")/', create_function('$matches', 'return preg_replace(\'/([,])/\', "\\\\\\\$1", $matches[0]);'), $matches[2][0] ); // split arguments expression into an array by unexcaped ",". $this->arguments = preg_split('/\s*(?<!\\\)\,\s*/', $matches[2][0]); reset($this->arguments); while (list($n) = each($this->arguments)) { // remove slashes inserted above. $this->arguments[$n] = preg_replace_callback( '/(?<!\\\)\\\'(?:\\\\\'|[^\'])*(?:(?<!\\\)\\\')|'. '(?<!\\\)\"(?:\\\\"|[^"])*(?:(?<!\\\)\")/', create_function('$matches', 'return preg_replace(\'/\\\\\([,])/\', "$1", $matches[0]);'), $this->arguments[$n] ); // convert and store. $this->arguments[$n] = $this->execution->createValue($this->arguments[$n]); } } // mixed getValue() function getValue() { if ($this->value === null) { $this->value = $this->execution->construct($this->class, $this->arguments); } return $this->value; } // string getType() function getType() { if ($this->value === null) { $this->value = $this->execution->construct($this->class, $this->arguments); } return ($this->value !== null)? $this->class : 'null'; } } class GMIVariable extends GMIValue { var $variableName; var $propertyName; // GMIVariable(GMIExecution execution, string expression) function GMIVariable(&$execution, $expression) { parent::GMIValue($execution, $expression); // split expression into variable name. $matches = array(); preg_match_all('/^\{\s*((\w+)(?:\.(\w+))?)\s*\}$/', $expression, $matches); // stop if expression is not valid if (count($matches[0]) == 0) { return; } $this->variableName = $matches[2][0]; $this->propertyName = ($matches[3][0] != "")? $matches[3][0] : null; } // mixed getValue() function getValue() { if ($this->value === null) { $this->value =& $this->execution->getVariable($this->variableName); // acquire property of the variable if ($this->value !== null && $this->propertyName !== null) { $value =& $this->value; unset($this->value); $this->value = $this->execution->getProperty($value, $this->propertyName); } } return ($this->value !== null)? $this->value->getValue() : null; } // string getType() function getType() { if ($this->value === null) { $this->value =& $this->execution->getVariable($this->variableName); // acquire property of the variable if ($this->value !== null && $this->propertyName !== null) { $value =& $this->value; unset($this->value); $this->value = $this->execution->getProperty($value, $this->propertyName); } } return ($this->value !== null)? $this->value->getType() : 'null'; } } class GMIConstant extends GMIValue { // GMIConstant(GMIExecution execution, string expression) function GMIConstant(&$execution, $expression) { parent::GMIValue($execution, $expression); } // string getType() function getType() { return 'constant'; } } class GMINumber extends GMIValue { // GMINumber(GMIExecution execution, string expression) function GMINumber(&$execution, $expression) { parent::GMIValue($execution, $expression); } // mixed getValue() function getValue() { if ($this->value === null) { $this->value = $this->decode($this->expression); } return $this->value + 0; } // string getType() function getType() { return 'number'; } // int decode(string n) function decode($n) { if (preg_match('/^0[xX](?:[0-7][\da-fA-F]{7}|[\da-fA-F]{1,7})$/', $n)) { $n = hexDec(substr(trim($n), 2)); } else if (preg_match('/^\#(?:[0-7][\da-fA-F]{7}|[\da-fA-F]{1,7})$/', $n)) { $n = hexDec(substr(trim($n), 1)); } else if (preg_match('/^0[Bb][01]{1,31}$/', $n)) { $n = binDec(substr(trim($n), 2)); } else { $n = trim($n); } return $n; } } class GMIString extends GMIValue { // GMIString(GMIExecution execution, string expression) function GMIString(&$execution, $expression) { parent::GMIValue($execution, $expression); } // string getType() function getType() { return 'string'; } } ?> |