*** empty log message ***

1 files changed, 117 insertions, 0 deletions

diff --git a/ace/Arg_Shifter.cpp b/ace/Arg_Shifter.cpp
new file mode 100644
index 00000000000..a988fa27928
--- /dev/null
+++ b/ace/Arg_Shifter.cpp
@@ -0,0 +1,117 @@
+// $Id$
+
+#include "Arg_Shifter.h"
+
+ACE_Arg_Shifter::ACE_Arg_Shifter (int &argc, char **argv, char **temp)
+  : argc_ (argc),
+    total_size_ (argc),
+    temp_ (temp),
+    argv_ (argv),
+    current_index_ (0),
+    back_ (argc - 1),
+    front_ (0)
+{
+  // If not provided with one, allocate a temporary array.
+  if (this->temp_ == 0)
+    this->temp_ = new char *[this->total_size_];
+  
+  if (this->temp_ != 0)
+    {
+      // Fill the temporary array.
+      this->argc_ = 0;
+      for (int i = 0; i < this->total_size_; i++)
+	{
+	  this->temp_[i] = this->argv_[i];
+	  this->argv_[i] = 0;
+	}
+    }
+  else
+    {
+      // Allocation failed, prohibit iteration.
+      this->current_index_ = this->argc_;
+      this->front_ = this->argc_;
+    }
+}
+
+ACE_Arg_Shifter::~ACE_Arg_Shifter (void)
+{
+  // Delete the temporary vector.
+  delete [] temp_;
+}
+
+char * 
+ACE_Arg_Shifter::get_current (void) const
+{
+  char *return_value = 0;
+  
+  if (this->is_anything_left ())
+    return_value =  this->temp_[current_index_];
+
+  return return_value;
+}
+
+int
+ACE_Arg_Shifter::consume_arg (int number)
+{
+  int return_value = 0;
+
+  // Stick knowns at the end of the vector (consumed).
+  if (this->is_anything_left() >= number)
+    {
+      for (int i = 0, j = this->back_ - (number - 1);
+	   i < number;
+	   i++, j++, this->current_index_++)
+	this->argv_[j] = this->temp_[this->current_index_];
+      
+      this->back_ -= number;
+      return_value = 1;
+    }
+
+  return return_value;
+}
+
+int
+ACE_Arg_Shifter::ignore_arg (int number)
+{
+  int return_value = 0;
+
+  // Keep unknowns at the head of the vector.
+  if (this->is_anything_left () >= number)
+    {
+      for (int i = 0;
+	   i < number;
+	   i++, this->current_index_++, this->front_++)
+	this->argv_[this->front_] = this->temp_[this->current_index_];
+
+      return_value = 1;
+      this->argc_ += number;
+    }
+
+  return return_value;
+}
+
+int
+ACE_Arg_Shifter::is_anything_left (void) const
+{
+  return this->total_size_ - this->current_index_;
+}
+
+int
+ACE_Arg_Shifter::is_option_next (void) const
+{
+  return this->is_anything_left () &&
+    this->temp_[this->current_index_][0] == '-';
+}
+
+int
+ACE_Arg_Shifter::is_parameter_next (void) const
+{
+  return this->is_anything_left () 
+    && this->temp_[this->current_index_][0] != '-';
+}
+
+int
+ACE_Arg_Shifter::num_ignored_args (void) const
+{
+  return this->front_;
+}