From 6e3aa7e84388fa446f82996a7c589dd214cca191 Mon Sep 17 00:00:00 2001
From: Alan Knowles <alan@akbkhome.com>
Date: Sat, 3 Apr 2010 18:22:52 +0800
Subject: [PATCH] [STRIP_SUFFIX] ability to flag suffixes to be stripped.

Pretty usefully for things like libapr0 / libsvn which use _t as a type suffix.
---
 giscanner/scannermain.py |  5 +++++
 giscanner/transformer.py | 14 +++++++++++++-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/giscanner/scannermain.py b/giscanner/scannermain.py
index 44c0287..6ef80ee 100644
--- a/giscanner/scannermain.py
+++ b/giscanner/scannermain.py
@@ -75,6 +75,10 @@ def _get_option_parser():
     parser.add_option("", "--strip-prefix",
                       action="store", dest="strip_prefix", default=None,
                       help="remove this prefix from objects and functions")
+    parser.add_option("", "--strip-suffix",
+                      action="store", dest="strip_suffix", default=None,
+                      help="remove this suffix from objects and functions, "
+                           "only done when also removing prefix")
     parser.add_option("", "--add-init-section",
                       action="append", dest="init_sections", default=[],
             help="add extra initialization code in the introspection program")
@@ -271,6 +275,7 @@ def scanner_main(args):
         transformer.set_strip_prefix(options.strip_prefix)
     else:
         transformer.set_strip_prefix(options.namespace_name)
+    transformer.set_strip_suffix(options.strip_suffix)        
     transformer.set_include_paths(options.include_paths)
     shown_include_warning = False
     for include in options.includes:
diff --git a/giscanner/transformer.py b/giscanner/transformer.py
index 87be006..6179c2b 100644
--- a/giscanner/transformer.py
+++ b/giscanner/transformer.py
@@ -83,6 +83,9 @@ class Transformer(object):
     def get_includes(self):
         return self._includes
 
+    def set_strip_suffix(self, strip_suffix):
+        self._strip_suffix = strip_suffix
+
     def set_strip_prefix(self, strip_prefix):
         self._strip_prefix = strip_prefix
 
@@ -181,14 +184,23 @@ class Transformer(object):
         # when --strip-prefix=g:
         #   GHashTable -> HashTable
         #   g_hash_table_new -> hash_table_new
+        stripped = False
         prefix = self._strip_prefix.lower()
-        if isfunction:
+        
+        if isfunction and '_' in name:
             prefix += '_'
         if len(name) > len(prefix) and name.lower().startswith(prefix):
             name = name[len(prefix):]
+            stripped = True
 
         while name.startswith('_'):
             name = name[1:]
+
+        if (stripped and self._strip_suffix and 
+            len(name) > len(self._strip_suffix) and
+            name.endswith(self._strip_suffix)
+            name = name[:-1*len(self._strip_suffix)]
+            
         return name
 
     def _traverse_one(self, symbol, stype=None):
-- 
2.39.2