[Python-checkins] python/dist/src/Modules readline.c,2.72,2.73

[montanaro at users.sourceforge.net]

Update of /cvsroot/python/python/dist/src/Modules
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv28578/Modules

Modified Files:
	readline.c 
Log Message:
Add get_history_item and replace_history_item functions to the readline
module.  Closes patch #675551.  My apologies to Michal Vitecek for taking so
long to process this.


Index: readline.c
===================================================================
RCS file: /cvsroot/python/python/dist/src/Modules/readline.c,v
retrieving revision 2.72
retrieving revision 2.73
diff -C2 -d -r2.72 -r2.73
*** readline.c	8 Jul 2004 15:28:18 -0000	2.72
--- readline.c	15 Aug 2004 14:31:57 -0000	2.73
***************
*** 295,298 ****
--- 295,363 ----
  set the readline word delimiters for tab-completion");
  
+ static PyObject *
+ py_remove_history(PyObject *self, PyObject *args)
+ {
+         int entry_number;
+         HIST_ENTRY *entry;
+ 
+         if (!PyArg_ParseTuple(args, "i:remove_history", &entry_number))
+                 return NULL;
+         entry = remove_history(entry_number);
+         if (!entry) {
+                 char buf[80];
+                 PyOS_snprintf(buf, sizeof(buf),
+                               "No history item at position %i",
+                               entry_number);
+                 PyErr_SetString(PyExc_ValueError, buf);
+                 return NULL;
+         }
+         /* free memory allocated for the history entry */
+         if (entry->line)
+                 free(entry->line);
+         if (entry->data)
+                 free(entry->data);
+         free(entry);
+ 
+         Py_INCREF(Py_None);
+         return Py_None;
+ }
+ 
+ PyDoc_STRVAR(doc_remove_history,
+ "remove_history(pos) -> None\n\
+ remove history item given by its position");
+ 
+ static PyObject *
+ py_replace_history(PyObject *self, PyObject *args)
+ {
+         int entry_number;
+         char *line;
+         HIST_ENTRY *old_entry;
+ 
+         if (!PyArg_ParseTuple(args, "is:replace_history", &entry_number, &line)) {
+                 return NULL;
+         }
+         old_entry = replace_history_entry(entry_number, line, (void *)NULL);
+         if (!old_entry) {
+                 char buf[80];
+                 PyOS_snprintf(buf, sizeof(buf),
+                               "No history item at position %i",
+                               entry_number);
+                 PyErr_SetString(PyExc_ValueError, buf);
+                 return NULL;
+         }
+         /* free memory allocated for the old history entry */
+         if (old_entry->line)
+             free(old_entry->line);
+         if (old_entry->data)
+             free(old_entry->data);
+         free(old_entry);
+ 
+         Py_INCREF(Py_None);
+         return Py_None;
+ }
+ 
+ PyDoc_STRVAR(doc_replace_history,
+ "replace_history(pos, line) -> None\n\
+ replaces history item given by its position with contents of line");
  
  /* Add a line to the history buffer */
***************
*** 494,497 ****
--- 559,564 ----
  	 METH_VARARGS, doc_set_completer_delims},
  	{"add_history", py_add_history, METH_VARARGS, doc_add_history},
+         {"remove_history_item", py_remove_history, METH_VARARGS, doc_remove_history},
+         {"replace_history_item", py_replace_history, METH_VARARGS, doc_replace_history},
  	{"get_completer_delims", get_completer_delims,
  	 METH_NOARGS, doc_get_completer_delims},