X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=bindings%2Fcxx%2Fenums.py;h=9eddd1ad9631fe61344b7ec13068bf5cc0adb29c;hb=ae431bc8d607ee381052eed1727f644fbc1fd89d;hp=46a1472448d28734fbb0951bd3d5523a79b74405;hpb=6884b52bdefb7ed7169d557e1125f5b36276e2bf;p=libsigrok.git
diff --git a/bindings/cxx/enums.py b/bindings/cxx/enums.py
index 46a14724..9eddd1ad 100644
--- a/bindings/cxx/enums.py
+++ b/bindings/cxx/enums.py
@@ -17,56 +17,62 @@
## along with this program. If not, see .
##
-import logging, warnings
-from pygccxml import parser, declarations
+from xml.etree import ElementTree
from collections import OrderedDict
import sys, os, re
-class crapfilter(logging.Filter):
- def filter(self, record):
- if record.msg.find('GCCXML version') > -1:
- return 0
- return 1
-logger = logging.getLogger('pygccxml.cxx_parser').addFilter(crapfilter())
-warnings.filterwarnings('ignore', message="unable to find out array size from expression")
+index_file = sys.argv[1]
# Get directory this script is in.
dirname = os.path.dirname(os.path.realpath(__file__))
-# Parse GCCXML output to get declaration tree.
-decls = parser.parse_xml_file(
- os.path.join(dirname, "libsigrok.xml"), parser.config_t())
-
-# Get global namespace from declaration tree.
-ns = declarations.get_global_namespace(decls)
+outdirname = "bindings/cxx"
+if not os.path.exists(os.path.join(outdirname, 'include/libsigrok')):
+ os.makedirs(os.path.join(outdirname, 'include/libsigrok'))
mapping = dict([
- ('sr_loglevel', 'LogLevel'),
- ('sr_packettype', 'PacketType'),
- ('sr_mq', 'Quantity'),
- ('sr_unit', 'Unit'),
- ('sr_mqflag', 'QuantityFlag'),
- ('sr_configkey', 'ConfigKey'),
- ('sr_datatype', 'DataType'),
- ('sr_channeltype', 'ChannelType'),
- ('sr_trigger_matches', 'TriggerMatchType')])
-
-classes = OrderedDict()
+ ('sr_loglevel', ('LogLevel', 'Log verbosity level')),
+ ('sr_packettype', ('PacketType', 'Type of datafeed packet')),
+ ('sr_mq', ('Quantity', 'Measured quantity')),
+ ('sr_unit', ('Unit', 'Unit of measurement')),
+ ('sr_mqflag', ('QuantityFlag', 'Flag applied to measured quantity')),
+ ('sr_configkey', ('ConfigKey', 'Configuration key')),
+ ('sr_datatype', ('DataType', 'Configuration data type')),
+ ('sr_channeltype', ('ChannelType', 'Channel type')),
+ ('sr_trigger_matches', ('TriggerMatchType', 'Trigger match type'))])
+
+index = ElementTree.parse(index_file)
# Build mapping between class names and enumerations.
-for enum in ns.enumerations():
- if enum.name in mapping:
- classname = mapping[enum.name]
- classes[classname] = enum
-header = open(os.path.join(dirname, 'include/libsigrok/enums.hpp'), 'w')
-code = open(os.path.join(dirname, 'enums.cpp'), 'w')
+classes = OrderedDict()
+
+for compound in index.findall('compound'):
+ if compound.attrib['kind'] != 'file':
+ continue
+ filename = os.path.join(
+ os.path.dirname(index_file),
+ '%s.xml' % compound.attrib['refid'])
+ doc = ElementTree.parse(filename)
+ for section in doc.find('compounddef').findall('sectiondef'):
+ if section.attrib["kind"] != 'enum':
+ continue
+ for member in section.findall('memberdef'):
+ if member.attrib["kind"] != 'enum':
+ continue
+ name = member.find('name').text
+ if name in mapping:
+ classes[member] = mapping[name]
+
+header = open(os.path.join(outdirname, 'include/libsigrok/enums.hpp'), 'w')
+code = open(os.path.join(outdirname, 'enums.cpp'), 'w')
for file in (header, code):
print >> file, "/* Generated file - edit enums.py instead! */"
# Template for beginning of class declaration and public members.
header_public_template = """
+/** {brief} */
class SR_API {classname} : public EnumValue
{{
public:
@@ -76,7 +82,7 @@ public:
# Template for beginning of private members.
header_private_template = """
private:
- static const std::map values;
+ static const std::map _values;
{classname}(enum {enumname} id, const char name[]);
"""
@@ -89,20 +95,35 @@ code_template = """
const {classname} *{classname}::get(int id)
{{
- return {classname}::values.at(static_cast<{enumname}>(id));
+ if (_values.find(static_cast<{enumname}>(id)) == _values.end())
+ throw Error(SR_ERR_ARG);
+
+ return {classname}::_values.at(static_cast<{enumname}>(id));
}}
"""
-for classname, enum in classes.items():
+def get_text(node):
+ return str.join('\n\n',
+ [p.text.rstrip() for p in node.findall('para')])
+
+for enum, (classname, classbrief) in classes.items():
+
+ enum_name = enum.find('name').text
+ members = enum.findall('enumvalue')
+ member_names = [m.find('name').text for m in members]
+ trimmed_names = [re.sub("^SR_[A-Z]+_", "", n) for n in member_names]
+ briefs = [get_text(m.find('briefdescription')) for m in members]
# Begin class and public declarations
print >> header, header_public_template.format(
- classname=classname, enumname=enum.name)
+ brief=classbrief, classname=classname, enumname=enum_name)
# Declare public pointers for each enum value
- for name, value in enum.values:
- trimmed_name = re.sub("^SR_[A-Z]+_", "", name)
- print >> header, '\tstatic const %s * const %s;' % (classname, trimmed_name)
+ for trimmed_name, brief in zip(trimmed_names, briefs):
+ if brief:
+ print >> header, '\t/** %s */' % brief
+ print >> header, '\tstatic const %s * const %s;' % (
+ classname, trimmed_name)
# Declare additional methods if present
filename = os.path.join(dirname, "%s_methods.hpp" % classname)
@@ -111,11 +132,10 @@ for classname, enum in classes.items():
# Begin private declarations
print >> header, header_private_template.format(
- classname=classname, enumname=enum.name)
+ classname=classname, enumname=enum_name)
# Declare private constants for each enum value
- for name, value in enum.values:
- trimmed_name = re.sub("^SR_[A-Z]+_", "", name)
+ for trimmed_name in trimmed_names:
print >> header, '\tstatic const %s _%s;' % (classname, trimmed_name)
# End class declaration
@@ -123,25 +143,22 @@ for classname, enum in classes.items():
# Begin class code
print >> code, code_template.format(
- classname=classname, enumname=enum.name)
+ classname=classname, enumname=enum_name)
# Define private constants for each enum value
- for name, value in enum.values:
- trimmed_name = re.sub("^SR_[A-Z]+_", "", name)
+ for name, trimmed_name in zip(member_names, trimmed_names):
print >> code, 'const %s %s::_%s = %s(%s, "%s");' % (
classname, classname, trimmed_name, classname, name, trimmed_name)
# Define public pointers for each enum value
- for name, value in enum.values:
- trimmed_name = re.sub("^SR_[A-Z]+_", "", name)
+ for trimmed_name in trimmed_names:
print >> code, 'const %s * const %s::%s = &%s::_%s;' % (
classname, classname, trimmed_name, classname, trimmed_name)
# Define map of enum values to constants
- print >> code, 'const std::map %s::values = {' % (
- enum.name, classname, classname)
- for name, value in enum.values:
- trimmed_name = re.sub("^SR_[A-Z]+_", "", name)
+ print >> code, 'const std::map %s::_values = {' % (
+ enum_name, classname, classname)
+ for name, trimmed_name in zip(member_names, trimmed_names):
print >> code, '\t{%s, %s::%s},' % (name, classname, trimmed_name)
print >> code, '};'