refactored script class to have a seperate opcodes class, added file class that uses this same opcodes class

1 files changed, 114 insertions, 0 deletions

diff --git a/zend/file.cpp b/zend/file.cpp
new file mode 100644
index 0000000..3ba53c9
--- /dev/null
+++ b/zend/file.cpp
@@ -0,0 +1,114 @@
+/**
+ *  File.cpp
+ *
+ *  Implementation file for the File class
+ *
+ *  @author Emiel Bruijntjes <emiel.bruijntjes@copernica.com>
+ *  @copyright 2014 Copernica BV
+ */
+
+/**
+ *  Dependencies
+ */
+#include "includes.h"
+
+/**
+ *  Namespace
+ */
+namespace Php {
+
+/**
+ *  Constructor
+ * 
+ *  The constructor receives a filename as parameter. It uses the normal
+ *  PHP include path resolve algorithms to find the location of the file. 
+ * 
+ *  @param  name        the filename
+ *  @param  size        length of the filename
+ */
+File::File(const char *name, size_t size)
+{
+    // we need the tsrm_ls variable
+    TSRMLS_FETCH();
+    
+    // resolve the path
+    _path = zend_resolve_path(name, size TSRMLS_CC);
+}
+
+/**
+ *  Destructor
+ */
+File::~File()
+{
+    // clean up path name
+    if (_path) efree(_path);
+    
+    // clean up opcodes
+    if (_opcodes) delete _opcodes;
+}
+
+/**
+ *  Execute the file
+ *  @return Value
+ */
+Value File::execute() 
+{
+    // do we already have the opcodes?
+    if (_opcodes) return _opcodes->execute();
+
+    // skip if there is no valid path
+    if (!_path) return nullptr;
+
+    // we are going to open the file
+    zend_file_handle fileHandle;
+
+    // open the file
+    if (zend_stream_open(_path, &fileHandle TSRMLS_CC) == FAILURE) return nullptr;
+
+    // make sure the path name is stored in the handle
+    if (!fileHandle.opened_path) fileHandle.opened_path = estrdup(_path);
+    
+    // we need temporary compiler options
+    CompilerOptions options(ZEND_COMPILE_DEFAULT);
+    
+    // we need the tsrm_ls variable
+    TSRMLS_FETCH();
+    
+    // create the opcodes
+    _opcodes = new Opcodes(zend_compile_file(&fileHandle, ZEND_INCLUDE TSRMLS_CC));
+
+    // close the file handle
+    zend_file_handle_dtor(&fileHandle TSRMLS_CC); 
+    
+    // execute the opcodes
+    return _opcodes->execute();
+}
+
+/**
+ *  Execute a file only once
+ *  @return Value
+ */
+Value File::once() 
+{
+    // skip if the opcodes are already known (then we know for sure that the 
+    // file was already executed)
+    if (_opcodes) return nullptr;
+    
+    // also leap out if the filename was not even valid
+    if (!_path) return nullptr;
+    
+    // check if this file was already included
+    if (zend_hash_exists(&EG(included_files), _path, ::strlen(_path) + 1)) return nullptr;
+
+    // add the entry to the list of included files
+    if (zend_hash_add_empty_element(&EG(included_files), _path, ::strlen(_path) + 1) == FAILURE) return nullptr;
+    
+    // execute the file
+    return execute();
+}
+
+/**
+ *  End of namespace
+ */
+}
+