Changeset 4549 for pjproject/branches/projects/jni/pjsip-apps/src/jni/swig_gen.py

Timestamp:

Jun 29, 2013 1:14:27 AM (11 years ago)

Author:

nanang

Message:

Work on JNI project:

• Only use single SWIG C++ wrapper.
• Initial work on pjsua_callback: added parser and auto proxy generation.
• Updated SWIG typemaps: SWIG director, input output, array of pointer, etc.

Location:

pjproject/branches/projects/jni/pjsip-apps/src/jni

Files:

• . (modified) (1 prop)
• swig_gen.py (modified) (7 diffs)

pjproject/branches/projects/jni/pjsip-apps/src/jni/swig_gen.py

@@ -3 +3 @@
 #!/usr/bin/python
 
-# import re
-import sys #, os, traceback
+import re
+import sys, os #, traceback
 from collections import OrderedDict
 from pycparser import parse_file, c_ast, c_generator
@@ -57 +57 @@
         'pjmedia_transport',
         'pjsua_media_transport',
-        'pjsua_callback'
+        'pjsua_callback',
+        'pjmedia_stream'
 ]
 
 FORCE_EXPORT = [
+        'pjsip_event',
+        'pjsip_transaction',
+        'pjmedia_sdp_session',
         #'pj_str' # plain export result doesn't work!
 ]
@@ -101 +105 @@
         if not self.deps_frozen:
             for name in n.names: self._add_dep(name)
-        return ' '.join(n.names)
+        return super(MyGen, self).visit_IdentifierType(n)
 
     def _check_video(self, name):
@@ -129 +133 @@
             return
             
-        if name in FORCE_STRUCT_AS_OPAQUE:
+        if name in FORCE_STRUCT_AS_OPAQUE and (not name == 'pjsua_callback'):
             self.deps.append(name)
             return
@@ -171 +175 @@
         return code
         
+    def _gen_pjsua_callback(self):
+        # init
+        cbclass  = ''
+        cbproxy = ''
+        cbdef = []
+
+        n = self.nodes['pjsua_callback'][0]
+        raw_lines = self._print_node(n).splitlines()
+        for idx, line in enumerate(raw_lines):
+            if idx in [0, 1, len(raw_lines)-1]: continue
+            fstrs = []
+            # pointer to function type format
+            m = re.match('\s+(.*)\(\*(.*)\)(\(.*\));', line)
+            if m:
+                fstrs = [m.group(1).strip(), m.group(2), m.group(3)]
+            else:
+                # typedef'd format
+                m = re.match('\s+(.*)\s+(.*);', line)
+                if (not m) or (not self.nodes.has_key(m.group(1))):
+                    cbdef.append('  NULL')
+                    continue
+                fstrs = ['', m.group(2), '']
+                n = self.nodes[m.group(1)][0]
+                raw = self._print_node(n)
+                m = re.match('typedef\s+(.*)\(\*(.*)\)(\(.*\));', raw)
+                if not m:
+                    cbdef.append('  NULL')
+                    continue
+                fstrs[0] = m.group(1).strip()
+                fstrs[2] = m.group(3)
+        
+            cbclass += '  virtual ' + ' '.join(fstrs)
+            if fstrs[0] == 'void':
+                cbclass += ' {}\n'
+            elif fstrs[1] == 'on_create_media_transport':
+                cbclass += ' { return base_tp; }\n'
+            elif fstrs[1] == 'on_call_redirected':
+                cbclass += ' { return PJSIP_REDIRECT_STOP; }\n'
+            else:
+                cbclass += ' { return 0; }\n'
+
+            cbproxy += 'static ' + ' '.join(fstrs)
+            params = re.findall('(\w+)[,\)]', fstrs[2])
+            if fstrs[0] == 'void':
+                cbproxy += ' { cb->'+fstrs[1]+'('+','.join(params)+'); }\n'
+            else:
+                cbproxy += ' { return cb->'+fstrs[1]+'('+','.join(params)+'); }\n'
+
+            cbdef.append('  &' + fstrs[1])
+                
+        # trail 
+        
+        return [cbclass, cbproxy, ',\n'.join(cbdef)+'\n']
+    
     # Generate code from the specified node.
     def _print_node(self, node):
@@ -189 +247 @@
             s += self._process_opaque_struct(name, ss)
         return s
+        
+    def write_pjsua_callback(self, outdir):
+        cb = self._gen_pjsua_callback()
+        
+        fout = open(outdir+'/callbacks.h', 'w+')
+        fin  = open('callbacks.h.template', 'r')
+        for line in fin:
+            if line.find(r'$PJSUA_CALLBACK_CLASS$') >= 0:
+                fout.write(cb[0])
+            else:
+                fout.write(line)
+        fin.close()
+        fout.close()
+
+        fout = open(outdir+'/callbacks.c', 'w+')
+        fin  = open('callbacks.c.template', 'r')
+        for line in fin:
+            if line.find(r'$PJSUA_CALLBACK_PROXY$') >= 0:
+                fout.write(cb[1])
+            elif line.find(r'$PJSUA_CALLBACK_DEF$') >= 0:
+                fout.write(cb[2])
+            else:
+                fout.write(line)
+        fin.close()
+        fout.close()
 
 # MAIN          
@@ -205 +288 @@
 #   print d
 
+sys.argv.pop(0)
+outdir = sys.argv.pop() if len(sys.argv) else 'output'
+mygen.write_pjsua_callback(outdir)
+
 s = mygen.go()
 print s
+