def writeaccessorsheader(outputfile, propname, propmetadata):
type = propmetadata['type']
if type == 'array':
writelistaccessorsheader(outputfile,
jscom.propnametocppname(propname),
jscom.javatypetocppname(propmetadata['items']['javaType']))
elif jscom.propmetadatatypeisscalar(propmetadata):
writescalaraccessorsheader(outputfile,
jscom.propnametocppname(propname),
jscom.propmetadatatocpptypename(propmetadata))
else:
writetakeownershipaccessorsheader(outputfile,
jscom.propnametocppname(propname),
jscom.propmetadatatocpptypename(propmetadata))
def writeaccessorsheader(outputfile, propname, propmetadata):
type = propmetadata['type']
if type == 'array':
writelistaccessorsheader(
outputfile, jscom.propnametocppname(propname),
jscom.javatypetocppname(propmetadata['items']['javaType']))
elif jscom.propmetadatatypeisscalar(propmetadata):
writescalaraccessorsheader(
outputfile, jscom.propnametocppname(propname),
jscom.propmetadatatocpptypename(propmetadata))
else:
writetakeownershipaccessorsheader(
outputfile, jscom.propnametocppname(propname),
jscom.propmetadatatocpptypename(propmetadata))
def writeaccessorsheader(outputfile, propname, propmetadata):
type = propmetadata['type']
if type == jscom.JSON_TYPE_ARRAY:
writelistaccessorsheader(
outputfile, jscom.propnametocppname(propname),
jscom.propmetadatatocpptypename(propmetadata['items']))
elif jscom.propmetadatatypeisscalar(propmetadata):
writescalaraccessorsheader(
outputfile, jscom.propnametocppname(propname),
jscom.propmetadatatocpptypename(propmetadata))
else:
writetakeownershipaccessorsheader(
outputfile, jscom.propnametocppname(propname),
jscom.propmetadatatocpptypename(propmetadata))
def writenullstackedlistenerfieldimplementation(istate, propname):
istate.outputfile().write(
string.Template("""
if (fNextItemName == "${propname}")
fTarget->Set${cpppropname}Null();
""").substitute({
'propname': propname,
'cpppropname': jscom.propnametocppname(propname)
}))
def writestackedlistenerfieldimplementation(istate, propname,
cppeventdataexpression):
istate.outputfile().write(
string.Template("""
if (fNextItemName == "${propname}")
fTarget->Set${cpppropname}(${cppeventdataexpression});
""").substitute({
'propname': propname,
'cpppropname': jscom.propnametocppname(propname),
'cppeventdataexpression': cppeventdataexpression
}))
def writenullstackedlistenerfieldimplementation(
istate,
propname):
istate.outputfile().write(
string.Template("""
if (fNextItemName == "${propname}")
fTarget->Set${cpppropname}Null();
""").substitute({
'propname': propname,
'cpppropname': jscom.propnametocppname(propname)
}))
def writestackedlistenerfieldimplementation(
istate,
propname,
cppeventdataexpression):
istate.outputfile().write(
string.Template("""
if (fNextItemName == "${propname}")
fTarget->Set${cpppropname}(${cppeventdataexpression});
""").substitute({
'propname': propname,
'cpppropname': jscom.propnametocppname(propname),
'cppeventdataexpression': cppeventdataexpression
}))
def writestackedlistenertypedobjectimplementation(istate, schema):
outfile = istate.outputfile()
naming = istate.naming()
subtypenaming = CppParserSubTypeNaming(schema, naming)
outfile.write(
string.Template("""
${subtype_cppstackedlistenerclassname}::${subtype_cppstackedlistenerclassname}(
${cppsupermainlistenerclassname}* mainListener,
${cppsuperstackedlistenerclassname}* parent)
:
${cppsuperstackedlistenerclassname}(mainListener, parent)
{
fTarget = new ${subtype_cppmodelclassname}();
}
${subtype_cppstackedlistenerclassname}::~${subtype_cppstackedlistenerclassname}()
{
}
${subtype_cppmodelclassname}*
${subtype_cppstackedlistenerclassname}::Target()
{
return fTarget;
}
bool
${subtype_cppstackedlistenerclassname}::Handle(const BJsonEvent& event)
{
switch (event.EventType()) {
case B_JSON_ARRAY_END:
HandleError(B_NOT_ALLOWED, JSON_EVENT_LISTENER_ANY_LINE, "illegal state - unexpected start of array");
break;
case B_JSON_OBJECT_NAME:
fNextItemName = event.Content();
break;
case B_JSON_OBJECT_END:
{
bool status = Pop() && (ErrorStatus() == B_OK);
delete this;
return status;
}
""").substitute(jscom.uniondicts(naming.todict(), subtypenaming.todict())))
# now extract the fields from the schema that need to be fed in.
writestackedlistenerfieldsimplementation(istate, schema,
jscom.CPP_TYPE_STRING,
'B_JSON_STRING',
'new BString(event.Content())')
writestackedlistenerfieldsimplementation(istate, schema,
jscom.CPP_TYPE_BOOLEAN,
'B_JSON_TRUE', 'true')
writestackedlistenerfieldsimplementation(istate, schema,
jscom.CPP_TYPE_BOOLEAN,
'B_JSON_FALSE', 'false')
outfile.write(' case B_JSON_NULL:\n')
outfile.write(' {\n')
for propname, propmetadata in schema['properties'].items():
# TODO; deal with array case somehow.
if 'array' != propmetadata['type']:
writenullstackedlistenerfieldimplementation(istate, propname)
outfile.write(' fNextItemName.SetTo("");\n')
outfile.write(' break;\n')
outfile.write(' }\n')
# number type is a bit complex because it can either be a double or it can be an
# integral value.
outfile.write(' case B_JSON_NUMBER:\n')
outfile.write(' {\n')
for propname, propmetadata in schema['properties'].items():
propcpptypename = jscom.propmetadatatocpptypename(propmetadata)
if propcpptypename == jscom.CPP_TYPE_INTEGER:
writestackedlistenerfieldimplementation(istate, propname,
'event.ContentInteger()')
elif propcpptypename == jscom.CPP_TYPE_NUMBER:
writestackedlistenerfieldimplementation(istate, propname,
'event.ContentDouble()')
outfile.write(' fNextItemName.SetTo("");\n')
outfile.write(' break;\n')
outfile.write(' }\n')
# object type; could be a sub-type or otherwise just drop into a placebo consumer to keep the parse
# structure working. This would most likely be additional sub-objects that are additional to the
# expected schema.
outfile.write(' case B_JSON_OBJECT_START:\n')
outfile.write(' {\n')
objectifclausekeyword = 'if'
for propname, propmetadata in schema['properties'].items():
if propmetadata['type'] == jscom.JSON_TYPE_OBJECT:
subtypenaming = CppParserSubTypeNaming(propmetadata, naming)
outfile.write(' %s (fNextItemName == "%s") {\n' %
(objectifclausekeyword, propname))
outfile.write(
' %s* nextListener = new %s(fMainListener, this);\n'
% (subtypenaming.cppstackedlistenerclassname(),
subtypenaming.cppstackedlistenerclassname()))
outfile.write(
' fTarget->Set%s(nextListener->Target());\n' %
(subtypenaming.cppmodelclassname()))
outfile.write(' Push(nextListener);\n')
outfile.write(' }\n')
objectifclausekeyword = 'else if'
outfile.write(' %s (1 == 1) {\n' % objectifclausekeyword)
outfile.write(
' %s* nextListener = new %s(fMainListener, this);\n' %
(naming.cppgeneralobjectstackedlistenerclassname(),
naming.cppgeneralobjectstackedlistenerclassname()))
outfile.write(' Push(nextListener);\n')
outfile.write(' }\n')
outfile.write(' fNextItemName.SetTo("");\n')
outfile.write(' break;\n')
outfile.write(' }\n')
# array type; could be an array of objects or otherwise just drop into a placebo consumer to keep
# the parse structure working.
outfile.write(' case B_JSON_ARRAY_START:\n')
outfile.write(' {\n')
objectifclausekeyword = 'if'
for propname, propmetadata in schema['properties'].items():
if propmetadata['type'] == jscom.JSON_TYPE_ARRAY:
subtypenaming = CppParserSubTypeNaming(propmetadata['items'],
naming)
outfile.write(' %s (fNextItemName == "%s") {\n' %
(objectifclausekeyword, propname))
outfile.write(
' %s* nextListener = new %s(fMainListener, this);\n'
% (subtypenaming.cppstackedlistlistenerclassname(),
subtypenaming.cppstackedlistlistenerclassname()))
outfile.write(
' fTarget->Set%s(nextListener->Target());\n' %
(jscom.propnametocppname(propname)))
outfile.write(' Push(nextListener);\n')
outfile.write(' }\n')
objectifclausekeyword = 'else if'
outfile.write(' %s (1 == 1) {\n' % objectifclausekeyword)
outfile.write(
' %s* nextListener = new %s(fMainListener, this);\n' %
(naming.cppsuperstackedlistenerclassname(),
naming.cppgeneralarraystackedlistenerclassname()))
outfile.write(' Push(nextListener);\n')
outfile.write(' }\n')
outfile.write(' fNextItemName.SetTo("");\n')
outfile.write(' break;\n')
outfile.write(' }\n')
outfile.write("""
}
return ErrorStatus() == B_OK;
}
""")
def writestackedlistenertypedobjectimplementation(istate, schema):
outfile = istate.outputfile()
naming = istate.naming();
subtypenaming = CppParserSubTypeNaming(schema, naming)
outfile.write(
string.Template("""
${subtype_cppstackedlistenerclassname}::${subtype_cppstackedlistenerclassname}(
${cppsupermainlistenerclassname}* mainListener,
${cppsuperstackedlistenerclassname}* parent)
:
${cppsuperstackedlistenerclassname}(mainListener, parent)
{
fTarget = new ${subtype_cppmodelclassname}();
}
${subtype_cppstackedlistenerclassname}::~${subtype_cppstackedlistenerclassname}()
{
}
${subtype_cppmodelclassname}*
${subtype_cppstackedlistenerclassname}::Target()
{
return fTarget;
}
bool
${subtype_cppstackedlistenerclassname}::Handle(const BJsonEvent& event)
{
switch (event.EventType()) {
case B_JSON_ARRAY_END:
HandleError(B_NOT_ALLOWED, JSON_EVENT_LISTENER_ANY_LINE, "illegal state - unexpected start of array");
break;
case B_JSON_OBJECT_NAME:
fNextItemName = event.Content();
break;
case B_JSON_OBJECT_END:
{
bool status = Pop() && (ErrorStatus() == B_OK);
delete this;
return status;
}
""").substitute(jscom.uniondicts(
naming.todict(),
subtypenaming.todict())))
# now extract the fields from the schema that need to be fed in.
writestackedlistenerfieldsimplementation(
istate, schema,
jscom.CPP_TYPE_STRING, 'B_JSON_STRING', 'new BString(event.Content())')
writestackedlistenerfieldsimplementation(
istate, schema,
jscom.CPP_TYPE_BOOLEAN, 'B_JSON_TRUE', 'true')
writestackedlistenerfieldsimplementation(
istate, schema,
jscom.CPP_TYPE_BOOLEAN, 'B_JSON_FALSE', 'false')
outfile.write(' case B_JSON_NULL:\n')
outfile.write(' {\n')
for propname, propmetadata in schema['properties'].items():
# TODO; deal with array case somehow.
if 'array' != propmetadata['type']:
writenullstackedlistenerfieldimplementation(istate, propname)
outfile.write(' fNextItemName.SetTo("");\n')
outfile.write(' break;\n')
outfile.write(' }\n')
# number type is a bit complex because it can either be a double or it can be an
# integral value.
outfile.write(' case B_JSON_NUMBER:\n')
outfile.write(' {\n')
for propname, propmetadata in schema['properties'].items():
propcpptypename = jscom.propmetadatatocpptypename(propmetadata)
if propcpptypename == jscom.CPP_TYPE_INTEGER:
writestackedlistenerfieldimplementation(istate, propname, 'event.ContentInteger()')
elif propcpptypename == jscom.CPP_TYPE_NUMBER:
writestackedlistenerfieldimplementation(istate, propname, 'event.ContentDouble()')
outfile.write(' fNextItemName.SetTo("");\n')
outfile.write(' break;\n')
outfile.write(' }\n')
# object type; could be a sub-type or otherwise just drop into a placebo consumer to keep the parse
# structure working. This would most likely be additional sub-objects that are additional to the
# expected schema.
outfile.write(' case B_JSON_OBJECT_START:\n')
outfile.write(' {\n')
objectifclausekeyword = 'if'
for propname, propmetadata in schema['properties'].items():
if propmetadata['type'] == jscom.JSON_TYPE_OBJECT:
subtypenaming = CppParserSubTypeNaming(propmetadata, naming)
outfile.write(' %s (fNextItemName == "%s") {\n' % (objectifclausekeyword, propname))
outfile.write(' %s* nextListener = new %s(fMainListener, this);\n' % (
subtypenaming.cppstackedlistenerclassname(),
subtypenaming.cppstackedlistenerclassname()))
outfile.write(' fTarget->Set%s(nextListener->Target());\n' % (
subtypenaming.cppmodelclassname()))
outfile.write(' Push(nextListener);\n')
outfile.write(' }\n')
objectifclausekeyword = 'else if'
outfile.write(' %s (1 == 1) {\n' % objectifclausekeyword)
outfile.write(' %s* nextListener = new %s(fMainListener, this);\n' % (
naming.cppgeneralobjectstackedlistenerclassname(),
naming.cppgeneralobjectstackedlistenerclassname()))
outfile.write(' Push(nextListener);\n')
outfile.write(' }\n')
outfile.write(' fNextItemName.SetTo("");\n')
outfile.write(' break;\n')
outfile.write(' }\n')
# array type; could be an array of objects or otherwise just drop into a placebo consumer to keep
# the parse structure working.
outfile.write(' case B_JSON_ARRAY_START:\n')
outfile.write(' {\n')
objectifclausekeyword = 'if'
for propname, propmetadata in schema['properties'].items():
if propmetadata['type'] == jscom.JSON_TYPE_ARRAY:
subtypenaming = CppParserSubTypeNaming(propmetadata['items'], naming)
outfile.write(' %s (fNextItemName == "%s") {\n' % (objectifclausekeyword, propname))
outfile.write(' %s* nextListener = new %s(fMainListener, this);\n' % (
subtypenaming.cppstackedlistlistenerclassname(),
subtypenaming.cppstackedlistlistenerclassname()))
outfile.write(' fTarget->Set%s(nextListener->Target());\n' % (
jscom.propnametocppname(propname)))
outfile.write(' Push(nextListener);\n')
outfile.write(' }\n')
objectifclausekeyword = 'else if'
outfile.write(' %s (1 == 1) {\n' % objectifclausekeyword)
outfile.write(' %s* nextListener = new %s(fMainListener, this);\n' % (
naming.cppsuperstackedlistenerclassname(),
naming.cppgeneralarraystackedlistenerclassname()))
outfile.write(' Push(nextListener);\n')
outfile.write(' }\n')
outfile.write(' fNextItemName.SetTo("");\n')
outfile.write(' break;\n')
outfile.write(' }\n')
outfile.write("""
}
return ErrorStatus() == B_OK;
}
""")
