Global variables are now accessible via Php::globals["varname"]

1 files changed, 314 insertions, 0 deletions

diff --git a/src/globals.cpp b/src/globals.cpp
new file mode 100644
index 0000000..e8672aa
--- /dev/null
+++ b/src/globals.cpp
@@ -0,0 +1,314 @@
+/**
+ *  Globals.cpp
+ *
+ *  Implementation of the globals class
+ *
+ *  @author Emiel Bruijntjes <emiel.bruijntjes@copernica.com>
+ *  @copyright 2013 Copernica BV
+ */
+#include "includes.h"
+
+/**
+ *  Namespace
+ */
+namespace Php {
+
+/**
+ *	Get access to the globals single instance
+ *	@return	Globals
+ */
+Globals &Globals::instance()
+{
+	static Globals globals;
+	return globals;
+}
+
+/**
+ *  The one and only instance
+ *	@var	Globals
+ */
+Globals &globals = Globals::instance();
+
+/**
+ *  Get access to a global variable
+ *  @param  name
+ *  @return Global
+ */
+Global Globals::operator[](const char *name)
+{
+    // pointer to a zval
+    zval **varvalue;
+    
+    // check if the variable already exists
+    if (zend_hash_find(&EG(symbol_table), name, strlen(name)+1, (void**)&varvalue) == FAILURE) 
+    {
+        // the variable does not already exist, return a global object
+        // that will automatically set the value when it is updated
+        return Global(name);
+    }
+    else
+    {
+        // we are in the happy situation that the variable exists, we turn
+        // this value into a reference value, and return that
+        return Global(name, *varvalue);
+    }
+}
+
+/**
+ *  Get access to a global variable
+ *  @param  name
+ *  @return Global
+ */
+Global Globals::operator[](const std::string &name)
+{
+    // pointer to a zval
+    zval **varvalue;
+    
+    // check if the variable already exists
+    if (zend_hash_find(&EG(symbol_table), name.c_str(), name.size()+1, (void**)&varvalue) == FAILURE) 
+    {
+        // the variable does not already exist, return a global object
+        // that will automatically set the value when it is updated
+        return Global(name);
+    }
+    else
+    {
+        // we are in the happy situation that the variable exists, we turn
+        // this value into a reference value, and return that
+        return Global(name, *varvalue);
+    }
+}
+
+/**
+ *  Call function with a number of parameters
+ *  @param  name        Function name
+ *  @param  argc        Number of parameters
+ *  @param  argv        The parameters
+ *  @return Value
+ */
+Value Globals::exec(const Value &name, int argc, zval ***params)
+{
+    // the return zval
+    zval *retval = nullptr;
+    
+    // call the function
+    if (call_user_function_ex(CG(function_table), NULL, name._val, &retval, argc, params, 1, NULL) != SUCCESS) return nullptr;
+    
+    // was a value returned?
+    if (retval) return Value(retval);
+    
+    // no value was returned, return NULL
+    return nullptr;
+}
+
+/**
+ *  Call a function in PHP that does not have any parameters
+ *  @param  name        Name of the function
+ *  @return Value
+ */
+Value Globals::call(const Value &name)
+{
+    // call with zero parameters
+    return exec(name, 0, NULL);
+}
+
+/**
+ *  Call a function in PHP
+ *  @param  name        Name of the function
+ *  @param  p0          The first parameter
+ *  @return Value
+ */
+Value Globals::call(const Value &name, Value p0)
+{
+    // array of parameters
+    zval **params[1] = { &p0._val };
+
+    // call the function
+    return exec(name, 1, params);
+}
+
+/**
+ *  Call a function in PHP
+ *  @param  name        Name of the function
+ *  @param  p0          The first parameter
+ *  @param  p1          The second parameter
+ *  @return Value
+ */
+Value Globals::call(const Value &name, Value p0, Value p1)
+{
+    // array of parameters
+    zval **params[2] = { &p0._val, &p1._val };
+    
+    // call the function
+    return exec(name, 2, params);
+}
+
+/**
+ *  Call a function in PHP
+ *  @param  name        Name of the function
+ *  @param  p0          The first parameter
+ *  @param  p1          The second parameter
+ *  @param  p2          The third parameter
+ *  @return Value
+ */
+Value Globals::call(const Value &name, Value p0, Value p1, Value p2)
+{
+    // array of parameters
+    zval **params[3] = { &p0._val, &p1._val, &p2._val };
+    
+    // call the function
+    return exec(name, 3, params);
+}
+
+/**
+ *  Call a function in PHP
+ *  @param  name        Name of the function
+ *  @param  p0          The first parameter
+ *  @param  p1          The second parameter
+ *  @param  p2          The third parameter
+ *  @param  p3          The fourth parameter
+ *  @return Value
+ */
+Value Globals::call(const Value &name, Value p0, Value p1, Value p2, Value p3)
+{
+    // array of parameters
+    zval **params[4] = { &p0._val, &p1._val, &p2._val, &p3._val };
+    
+    // call the function
+    return exec(name, 4, params);
+}
+
+/**
+ *  Call a function in PHP
+ *  @param  name        Name of the function
+ *  @param  p0          The first parameter
+ *  @param  p1          The second parameter
+ *  @param  p2          The third parameter
+ *  @param  p3          The fourth parameter
+ *  @param  p4          The fifth parameter
+ *  @return Value
+ */
+Value Globals::call(const Value &name, Value p0, Value p1, Value p2, Value p3, Value p4)
+{
+    // array of parameters
+    zval **params[5] = { &p0._val, &p1._val, &p2._val, &p3._val, &p4._val };
+    
+    // call the function
+    return exec(name, 5, params);
+}
+
+/**
+ *  Call a function in PHP
+ *  @param  name        Name of the function
+ *  @param  p0          The first parameter
+ *  @param  p1          The second parameter
+ *  @param  p2          The third parameter
+ *  @param  p3          The fourth parameter
+ *  @param  p4          The fifth parameter
+ *  @param  p5          The sixth parameter
+ *  @return Value
+ */
+Value Globals::call(const Value &name, Value p0, Value p1, Value p2, Value p3, Value p4, Value p5)
+{
+    // array of parameters
+    zval **params[6] = { &p0._val, &p1._val, &p2._val, &p3._val, &p4._val, &p5._val };
+    
+    // call the function
+    return exec(name, 6, params);
+}
+
+/**
+ *  Call a function in PHP
+ *  @param  name        Name of the function
+ *  @param  p0          The first parameter
+ *  @param  p1          The second parameter
+ *  @param  p2          The third parameter
+ *  @param  p3          The fourth parameter
+ *  @param  p4          The fifth parameter
+ *  @param  p5          The sixth parameter
+ *  @param  p6          The seventh parameter
+ *  @return Value
+ */
+Value Globals::call(const Value &name, Value p0, Value p1, Value p2, Value p3, Value p4, Value p5, Value p6)
+{
+    // array of parameters
+    zval **params[7] = { &p0._val, &p1._val, &p2._val, &p3._val, &p4._val, &p5._val, &p6._val };
+    
+    // call the function
+    return exec(name, 7, params);
+}
+
+/**
+ *  Call a function in PHP
+ *  @param  name        Name of the function
+ *  @param  p0          The first parameter
+ *  @param  p1          The second parameter
+ *  @param  p2          The third parameter
+ *  @param  p3          The fourth parameter
+ *  @param  p4          The fifth parameter
+ *  @param  p5          The sixth parameter
+ *  @param  p6          The seventh parameter
+ *  @param  p7          The eight parameter
+ *  @return Value
+ */
+Value Globals::call(const Value &name, Value p0, Value p1, Value p2, Value p3, Value p4, Value p5, Value p6, Value p7)
+{
+    // array of parameters
+    zval **params[8] = { &p0._val, &p1._val, &p2._val, &p3._val, &p4._val, &p5._val, &p6._val, &p7._val };
+    
+    // call the function
+    return exec(name, 8, params);
+}
+
+/**
+ *  Call a function in PHP
+ *  @param  name        Name of the function
+ *  @param  p0          The first parameter
+ *  @param  p1          The second parameter
+ *  @param  p2          The third parameter
+ *  @param  p3          The fourth parameter
+ *  @param  p4          The fifth parameter
+ *  @param  p5          The sixth parameter
+ *  @param  p6          The seventh parameter
+ *  @param  p7          The eight parameter
+ *  @param  p8          The nineth parameter
+ *  @return Value
+ */
+Value Globals::call(const Value &name, Value p0, Value p1, Value p2, Value p3, Value p4, Value p5, Value p6, Value p7, Value p8)
+{
+    // array of parameters
+    zval **params[9] = { &p0._val, &p1._val, &p2._val, &p3._val, &p4._val, &p5._val, &p6._val, &p7._val, &p8._val };
+    
+    // call the function
+    return exec(name, 9, params);
+}
+
+/**
+ *  Call a function in PHP
+ *  @param  name        Name of the function
+ *  @param  p0          The first parameter
+ *  @param  p1          The second parameter
+ *  @param  p2          The third parameter
+ *  @param  p3          The fourth parameter
+ *  @param  p4          The fifth parameter
+ *  @param  p5          The sixth parameter
+ *  @param  p6          The seventh parameter
+ *  @param  p7          The eight parameter
+ *  @param  p8          The nineth parameter
+ *  @param  p9          The tenth parameter
+ *  @return Value
+ */
+Value Globals::call(const Value &name, Value p0, Value p1, Value p2, Value p3, Value p4, Value p5, Value p6, Value p7, Value p8, Value p9)
+{
+    // array of parameters
+    zval **params[10] = { &p0._val, &p1._val, &p2._val, &p3._val, &p4._val, &p5._val, &p6._val, &p7._val, &p8._val, &p9._val };
+    
+    // call the function
+    return exec(name, 10, params);
+}
+
+/**
+ *  End of namespace
+ */
+}
+