GNU Radio 3.8 support

https://wiki.gnuradio.org/index.php/GNU_Radio_3.8_OOT_Module_Porting_Guide

Change-Id: I23dd638c8c48ed0a4b50559ce33fbd5e60b7dcbc
diff --git a/docs/doxygen/swig_doc.py b/docs/doxygen/swig_doc.py
index 4e1ce2e..b9f4e6e 100644
--- a/docs/doxygen/swig_doc.py
+++ b/docs/doxygen/swig_doc.py
@@ -1,7 +1,8 @@
 #
-# Copyright 2010,2011 Free Software Foundation, Inc.
+# Copyright 2010-2012 Free Software Foundation, Inc.
 #
-# This file is part of GNU Radio
+# This file was generated by gr_modtool, a tool from the GNU Radio framework
+# This file is a part of gr-gsm
 #
 # GNU Radio is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -26,14 +27,12 @@
 python docstrings.
 
 """
+from __future__ import unicode_literals
 
-import sys
+import sys, time
 
-try:
-    from doxyxml import DoxyIndex, DoxyClass, DoxyFriend, DoxyFunction, DoxyFile, base
-except ImportError:
-    from gnuradio.doxyxml import DoxyIndex, DoxyClass, DoxyFriend, DoxyFunction, DoxyFile, base
-
+from doxyxml import DoxyIndex, DoxyClass, DoxyFriend, DoxyFunction, DoxyFile
+from doxyxml import DoxyOther, base
 
 def py_name(name):
     bits = name.split('_')
@@ -56,18 +55,41 @@
         # Check for a parsing error.
         if item.error():
             return False
-        return item.has_member(make_name(item.name()), DoxyFriend)
+        friendname = make_name(item.name())
+        is_a_block = item.has_member(friendname, DoxyFriend)
+        # But now sometimes the make function isn't a friend so check again.
+        if not is_a_block:
+            is_a_block = di.has_member(friendname, DoxyFunction)
+        return is_a_block
+
+class Block2(object):
+    """
+    Checks if doxyxml produced objects correspond to a new style
+    gnuradio block.
+    """
+
+    @classmethod
+    def includes(cls, item):
+        if not isinstance(item, DoxyClass):
+            return False
+        # Check for a parsing error.
+        if item.error():
+            return False
+        is_a_block2 = item.has_member('make', DoxyFunction) and item.has_member('sptr', DoxyOther)
+        return is_a_block2
 
 
 def utoascii(text):
     """
-    Convert unicode text into ascii and escape quotes.
+    Convert unicode text into ascii and escape quotes and backslashes.
     """
     if text is None:
         return ''
     out = text.encode('ascii', 'replace')
-    out = out.replace('"', '\\"')
-    return out
+    # swig will require us to replace blackslash with 4 backslashes
+    out = out.replace(b'\\', b'\\\\\\\\')
+    out = out.replace(b'"', b'\\"').decode('ascii')
+    return str(out)
 
 
 def combine_descriptions(obj):
@@ -83,9 +105,15 @@
         description.append(dd)
     return utoascii('\n\n'.join(description)).strip()
 
+def format_params(parameteritems):
+    output = ['Args:']
+    template = '    {0} : {1}'
+    for pi in parameteritems:
+        output.append(template.format(pi.name, pi.description))
+    return '\n'.join(output)
 
 entry_templ = '%feature("docstring") {name} "{docstring}"'
-def make_entry(obj, name=None, templ="{description}", description=None):
+def make_entry(obj, name=None, templ="{description}", description=None, params=[]):
     """
     Create a docstring entry for a swig interface file.
 
@@ -102,6 +130,9 @@
         return ''
     if description is None:
         description = combine_descriptions(obj)
+    if params:
+        description += '\n\n'
+        description += utoascii(format_params(params))
     docstring = templ.format(description=description)
     if not docstring:
         return ''
@@ -121,27 +152,31 @@
             used as the description instead of extracting it from func.
     params - a parameter list that overrides using func.params.
     """
-    if params is None:
-        params = func.params
-    params = [prm.declname for prm in params]
-    if params:
-        sig = "Params: (%s)" % ", ".join(params)
-    else:
-        sig = "Params: (NONE)"
-    templ = "{description}\n\n" + sig
-    return make_entry(func, name=name, templ=utoascii(templ),
-                      description=description)
+    #if params is None:
+    #    params = func.params
+    #params = [prm.declname for prm in params]
+    #if params:
+    #    sig = "Params: (%s)" % ", ".join(params)
+    #else:
+    #    sig = "Params: (NONE)"
+    #templ = "{description}\n\n" + sig
+    #return make_entry(func, name=name, templ=utoascii(templ),
+    #                  description=description)
+    return make_entry(func, name=name, description=description, params=params)
 
 
-def make_class_entry(klass, description=None):
+def make_class_entry(klass, description=None, ignored_methods=[], params=None):
     """
     Create a class docstring for a swig interface file.
     """
+    if params is None:
+        params = klass.params
     output = []
-    output.append(make_entry(klass, description=description))
+    output.append(make_entry(klass, description=description, params=params))
     for func in klass.in_category(DoxyFunction):
-        name = klass.name() + '::' + func.name()
-        output.append(make_func_entry(func, name=name))
+        if func.name() not in ignored_methods:
+            name = klass.name() + '::' + func.name()
+            output.append(make_func_entry(func, name=name))
     return "\n\n".join(output)
 
 
@@ -175,11 +210,33 @@
     # the make function.
     output = []
     output.append(make_class_entry(block, description=super_description))
-    creator = block.get_member(block.name(), DoxyFunction)
     output.append(make_func_entry(make_func, description=super_description,
-                                  params=creator.params))
+                                  params=block.params))
     return "\n\n".join(output)
 
+def make_block2_entry(di, block):
+    """
+    Create class and function docstrings of a new style gnuradio block for a
+    swig interface file.
+    """
+    descriptions = []
+    # For new style blocks all the relevant documentation should be
+    # associated with the 'make' method.
+    class_description = combine_descriptions(block)
+    make_func = block.get_member('make', DoxyFunction)
+    make_description = combine_descriptions(make_func)
+    description = class_description + "\n\nConstructor Specific Documentation:\n\n" + make_description
+    # Associate the combined description with the class and
+    # the make function.
+    output = []
+    output.append(make_class_entry(
+            block, description=description,
+            ignored_methods=['make'], params=make_func.params))
+    makename = block.name() + '::make'
+    output.append(make_func_entry(
+            make_func, name=makename, description=description,
+            params=make_func.params))
+    return "\n\n".join(output)
 
 def make_swig_interface_file(di, swigdocfilename, custom_output=None):
 
@@ -196,39 +253,59 @@
 
     # Create docstrings for the blocks.
     blocks = di.in_category(Block)
+    blocks2 = di.in_category(Block2)
+
     make_funcs = set([])
     for block in blocks:
         try:
             make_func = di.get_member(make_name(block.name()), DoxyFunction)
-            make_funcs.add(make_func.name())
-            output.append(make_block_entry(di, block))
+            # Don't want to risk writing to output twice.
+            if make_func.name() not in make_funcs:
+                make_funcs.add(make_func.name())
+                output.append(make_block_entry(di, block))
         except block.ParsingError:
-            print('Parsing error for block %s' % block.name())
+            sys.stderr.write('Parsing error for block {0}\n'.format(block.name()))
+            raise
+
+    for block in blocks2:
+        try:
+            make_func = block.get_member('make', DoxyFunction)
+            make_func_name = block.name() +'::make'
+            # Don't want to risk writing to output twice.
+            if make_func_name not in make_funcs:
+                make_funcs.add(make_func_name)
+                output.append(make_block2_entry(di, block))
+        except block.ParsingError:
+            sys.stderr.write('Parsing error for block {0}\n'.format(block.name()))
+            raise
 
     # Create docstrings for functions
     # Don't include the make functions since they have already been dealt with.
-    funcs = [f for f in di.in_category(DoxyFunction) if f.name() not in make_funcs]
+    funcs = [f for f in di.in_category(DoxyFunction)
+             if f.name() not in make_funcs and not f.name().startswith('std::')]
     for f in funcs:
         try:
             output.append(make_func_entry(f))
         except f.ParsingError:
-            print('Parsing error for function %s' % f.name())
+            sys.stderr.write('Parsing error for function {0}\n'.format(f.name()))
 
     # Create docstrings for classes
     block_names = [block.name() for block in blocks]
-    klasses = [k for k in di.in_category(DoxyClass) if k.name() not in block_names]
+    block_names += [block.name() for block in blocks2]
+    klasses = [k for k in di.in_category(DoxyClass)
+               if k.name() not in block_names and not k.name().startswith('std::')]
     for k in klasses:
         try:
             output.append(make_class_entry(k))
         except k.ParsingError:
-            print('Parsing error for class %s' % k.name())
+            sys.stderr.write('Parsing error for class {0}\n'.format(k.name()))
 
     # Docstrings are not created for anything that is not a function or a class.
     # If this excludes anything important please add it here.
 
     output = "\n\n".join(output)
 
-    swig_doc = file(swigdocfilename, 'w')
+    swig_doc = open(swigdocfilename, 'w')
     swig_doc.write(output)
     swig_doc.close()
 
@@ -236,7 +313,7 @@
     # Parse command line options and set up doxyxml.
     err_msg = "Execute using: python swig_doc.py xml_path outputfilename"
     if len(sys.argv) != 3:
-        raise StandardError(err_msg)
+        raise Exception(err_msg)
     xml_path = sys.argv[1]
     swigdocfilename = sys.argv[2]
     di = DoxyIndex(xml_path)