def __mul__(self, unit):
"""
SiPrefix * BaseUnit yields new BaseUnit
SiPrefix * ScaledUnit yields new ScaledUnit
SiPrefix * Unit with exactly one BaseUnit or ScaledUnit yields new Unit
"""
if isinstance(unit, BaseUnit):
# BaseUnit version
symbol = self.symbol + unit.symbol
name = self.prefix + unit.name
factor = self.factor
# TODO - check for existing BaseUnit with same name, symbol, and factor
new_base_unit = BaseUnit(unit.dimension, name, symbol)
new_base_unit.define_conversion_factor_to(unit, factor)
return new_base_unit
elif isinstance(unit, ScaledUnit):
# ScaledUnit version
symbol = self.symbol + unit.symbol
name = self.prefix + unit.name
factor = self.factor * unit.factor
# TODO - check for existing BaseUnit with same name, symbol, and factor
return ScaledUnit(factor, unit.master, name, symbol)
elif isinstance(unit, Unit):
base_units = list(unit.iter_base_or_scaled_units())
if 1 != len(base_units):
raise TypeError('Unit prefix "%s" can only be with simple Units containing one component.' % self.prefix)
if 1 != base_units[0][1]:
raise TypeError('Unit prefix "%s" can only be with simple Units with an exponent of 1.' % self.prefix)
base_unit = base_units[0][0]
# Delegate to Base or Scaled Unit multiply
new_base_unit = self * base_unit
new_unit = Unit({new_base_unit: 1.0})
return new_unit
else:
raise TypeError('Unit prefix "%s" can only be applied to a Unit, BaseUnit, or ScaledUnit.' % self.prefix)
def __mul__(self, unit):
"""
SiPrefix * BaseUnit yields new BaseUnit
SiPrefix * ScaledUnit yields new ScaledUnit
SiPrefix * Unit with exactly one BaseUnit or ScaledUnit yields new Unit
"""
if isinstance(unit, BaseUnit):
# BaseUnit version
symbol = self.symbol + unit.symbol
name = self.prefix + unit.name
factor = self.factor
# TODO - check for existing BaseUnit with same name, symbol, and factor
new_base_unit = BaseUnit(unit.dimension, name, symbol)
new_base_unit.define_conversion_factor_to(unit, factor)
return new_base_unit
elif isinstance(unit, ScaledUnit):
# ScaledUnit version
symbol = self.symbol + unit.symbol
name = self.prefix + unit.name
factor = self.factor * unit.factor
# TODO - check for existing BaseUnit with same name, symbol, and factor
return ScaledUnit(factor, unit.master, name, symbol)
elif isinstance(unit, Unit):
base_units = list(unit.iter_base_or_scaled_units())
if 1 != len(base_units):
raise TypeError('Unit prefix "%s" can only be with simple Units containing one component.' % self.prefix)
if 1 != base_units[0][1]:
raise TypeError('Unit prefix "%s" can only be with simple Units with an exponent of 1.' % self.prefix)
base_unit = base_units[0][0]
# Delegate to Base or Scaled Unit multiply
new_base_unit = self * base_unit
new_unit = Unit({new_base_unit: 1.0})
return new_unit
else:
raise TypeError('Unit prefix "%s" can only be applied to a Unit, BaseUnit, or ScaledUnit.' % self.prefix)
def copy_stdqt_class(self, name, dstname):
stdunit = BaseUnit('multicompress', 'StdQtStruct.h', self.config.root)
cursor = stdunit.find_class_cursor(name)
if not cursor:
raise RuntimeError('cannot find class "{}" in file "{}"'.format(
name, stdunit.filepath))
exists, target = util.find_or_insert(self.def_unit.cursor,
CursorKind.CLASS_DECL,
lambda c : self.is_cache_class(c.spelling),
lambda c : c.spelling == dstname)
if exists:
print('Class "{}" already exists in file "{}" at line {}'.format(
dstname, target.translation_unit.spelling, target.location.line
))
else:
util.copy_class(cursor, target.extent.end, dstname)
return cursor
def create_unit(self, scale, name, symbol):
"""
Convenience method for creating a new simple unit from another simple unit.
Both units must consist of a single BaseUnit.
"""
# TODO - also handle non-simple units, i.e. units with multiple BaseUnits/ScaledUnits
assert len(self._top_base_units) == 1
assert len(self._scaled_units) == 0
dimension = self._top_base_units.iterkeys().next()
base_unit_dict = self._top_base_units[dimension]
assert len(base_unit_dict) == 1
parent_base_unit = base_unit_dict.iterkeys().next()
parent_exponent = base_unit_dict[parent_base_unit]
new_base_unit = BaseUnit(parent_base_unit.dimension, name, symbol)
# BaseUnit scale might be different depending on exponent
true_scale = scale
if parent_exponent != 1.0:
true_scale = math.pow(scale, 1.0/parent_exponent)
new_base_unit.define_conversion_factor_to(parent_base_unit, true_scale)
new_unit = Unit({new_base_unit: 1.0})
return new_unit
def add_notify_method(self, cache_class_name):
method_name = 'Notify'
result_type = 'void'
args = [ ('const vector<SCltRegInfo> &', 'info') ]
if self.config.notify.stockid:
args.append(('const char *', 'stockID'))
if self.config.notify.market:
args.append(('unsigned short', 'marketID'))
args.append(('const {} *'.format(cache_class_name), 'data'))
args.append(('const {} *'.format(cache_class_name), 'old'))
self.mcd_unit.add_method_declaration(
'CDataNotify', method_name, result_type, args,
func_type = util.PURE_VIRTUAL
)
unit = BaseUnit('multicachedata', 'notifytransfer.h', self.config.root)
unit.add_method_declaration(
'CNotifyTransfrer', method_name, result_type, args,
func_type = util.VIRTUAL
)
def add_mds_staff(self, cache_class_name):
ph_unit = BaseUnit('multidatasvr', 'process.h', self.config.root)
pcpp_unit = BaseUnit('multidatasvr', 'process.cpp', self.config.root)
if self.config.stock_data:
macro_name = 'PACK_PC_STK_{}'.format(self.config.DATA_MODEL)
else:
macro_name = 'PACK_PC_{}'.format(self.config.DATA_MODEL)
same, def_cursor = ph_unit.find_or_insert(CursorKind.MACRO_DEFINITION,
lambda c : c.spelling.startswith('PACK_PC'),
lambda c : c.spelling == macro_name
)
if not same:
# TODO: libclang does not find macro definition at now.
last_macro = () # 4-elements tuple(line, length, name, value)
pattern = re.compile(r'#define +(PACK_PC_\w+) +(\d+)')
with open(ph_unit.filepath) as f:
for i, line in enumerate(f):
m = pattern.search(line)
if m:
last_macro = (i, m.group(1), m.group(2))
if m.group(2) == macro_name:
break
if last_macro[1] == macro_name:
print('Macro "{}" is already there'.format(macro_name))
else:
text = '#define {:<{}} {}'.format(macro_name, len(last_macro[1]),
int(last_macro[2]) + 1)
util.insert_after_line(ph_unit.filepath, last_macro[0] + 1, text)
# add the case statement to process.cpp
cursor = pcpp_unit.find(CursorKind.CXX_METHOD,
lambda c : c.spelling == '_ProcReq')
if cursor:
for c in cursor.get_children():
if c.kind == CursorKind.COMPOUND_STMT:
for c in cursor.get_children():
print(c.kind, c.spelling)
# needed for manipulation of units
from prefix import *
import math
import sys
#####################
### DIMENSIONLESS ###
#####################
# dimensionless = Unit({}); # defined in unit.py
##############
### LENGTH ###
##############
meter_base_unit = BaseUnit(length_dimension, "meter", "m")
meters = meter = Unit({meter_base_unit: 1.0})
define_prefixed_units(meter_base_unit, module=sys.modules[__name__])
angstrom_base_unit = BaseUnit(length_dimension, "angstrom", "A")
angstrom_base_unit.define_conversion_factor_to(meter_base_unit, 1e-10)
angstroms = angstrom = Unit({angstrom_base_unit: 1.0})
planck_length_base_unit = BaseUnit(length_dimension, "Planck length", "l_P")
planck_length_base_unit.define_conversion_factor_to(meter_base_unit,
1.61625281e-35)
inch_base_unit = BaseUnit(length_dimension, "inch", "in")
inch_base_unit.define_conversion_factor_to(centimeter_base_unit, 2.5400)
inch = inches = Unit({inch_base_unit: 1.0})
#####################
### DIMENSIONLESS ###
#####################
# dimensionless = Unit({}); # defined in unit.py
##############
### LENGTH ###
##############
meter_base_unit = BaseUnit(length_dimension, "meter", "m")
meters = meter = Unit({meter_base_unit: 1.0})
define_prefixed_units(meter_base_unit, module = sys.modules[__name__])
angstrom_base_unit = BaseUnit(length_dimension, "angstrom", "A")
angstrom_base_unit.define_conversion_factor_to(meter_base_unit, 1e-10)
angstroms = angstrom = Unit({angstrom_base_unit: 1.0})
planck_length_base_unit = BaseUnit(length_dimension, "Planck length", "l_P")
planck_length_base_unit.define_conversion_factor_to(meter_base_unit, 1.61625281e-35)
inch_base_unit = BaseUnit(length_dimension, "inch", "in")
inch_base_unit.define_conversion_factor_to(centimeter_base_unit, 2.5400)
inch = inches = Unit({inch_base_unit: 1.0})
foot_base_unit = BaseUnit(length_dimension, "foot", "ft")
foot_base_unit.define_conversion_factor_to(inch_base_unit, 12.0)
foot = feet = Unit({foot_base_unit: 1.0})
yard_base_unit = BaseUnit(length_dimension, "yard", "yd")
def __init__(self, config = 'config'):
self.config = importlib.import_module(config)
self.def_unit = BaseUnit('multicachedata', 'stdstructdef.h', self.config.root)
self.mcd_unit = BaseUnit('multicachedata', 'multicachedata.h', self.config.root)
class MultiCache(object):
def __init__(self, config = 'config'):
self.config = importlib.import_module(config)
self.def_unit = BaseUnit('multicachedata', 'stdstructdef.h', self.config.root)
self.mcd_unit = BaseUnit('multicachedata', 'multicachedata.h', self.config.root)
def add_new_class(self, name):
if name.startswith(self.config.STD_CLASS_PREFIX):
cache_class_name = self.config.CACHE_CLASS_PREFIX + \
name[len(self.config.STD_CLASS_PREFIX):]
srccursor = self.copy_stdqt_class(name, cache_class_name)
self.add_to_embeded_class(srccursor, cache_class_name)
self.add_notify_method(cache_class_name)
self.add_mds_staff(cache_class_name)
else:
print('class name "{}" does not start with "{}"'.format(name,
MultiCache.STD_CLASS_PREFIX))
def copy_stdqt_class(self, name, dstname):
stdunit = BaseUnit('multicompress', 'StdQtStruct.h', self.config.root)
cursor = stdunit.find_class_cursor(name)
if not cursor:
raise RuntimeError('cannot find class "{}" in file "{}"'.format(
name, stdunit.filepath))
exists, target = util.find_or_insert(self.def_unit.cursor,
CursorKind.CLASS_DECL,
lambda c : self.is_cache_class(c.spelling),
lambda c : c.spelling == dstname)
if exists:
print('Class "{}" already exists in file "{}" at line {}'.format(
dstname, target.translation_unit.spelling, target.location.line
))
else:
util.copy_class(cursor, target.extent.end, dstname)
return cursor
def _add_reg_type(self):
cursor = self.mcd_unit.find(CursorKind.ENUM_DECL,
lambda c : c.spelling == 'DataModelType')
if cursor:
exist, pos = util.find_or_insert(
cursor,
CursorKind.ENUM_CONSTANT_DECL,
lambda c : True,
lambda c : c.spelling == self.config.REG_TYPE
)
if not exist:
util.insert_after_line(self.mcd_unit.filepath, pos.extent.end.line,
util.INDENT + self.config.REG_TYPE + ',')
else:
print('Error: cannot find enum "{}" in file {}'.format(
self.config.embed_class, self.mcd_unit.filepath)
)
def add_to_embeded_class(self, srccursor, cache_class_name):
impl_class = self.config.embed_impl[1]
impl_header = BaseUnit('multicachedata',
self.config.embed_impl[0]+ '.h',
self.config.root)
impl_cpp = BaseUnit('multicachedata',
self.config.embed_impl[0]+ '.cpp',
self.config.root)
def add_convert_method(srccursor):
method_name = 'Convert'
result_type = 'void'
args = [ ('const {} &'.format(srccursor.spelling), 'src'),
('{} &'.format(cache_class_name), 'dest') ]
impl_header.add_method_declaration(
impl_class, method_name, result_type, args
)
body = ''
for c in srccursor.get_children():
if c.kind == CursorKind.FIELD_DECL:
body += util.INDENT
if c.type.kind == TypeKind.CONSTANTARRAY:
body += 'memcpy(dest.{0}, src.{0}, sizeof(dest.{0}));\n'.format(c.spelling)
else:
body += 'dest.{0} = src.{0};\n'.format(c.spelling)
impl_cpp.add_method_definitaion(
impl_class, method_name, result_type, args, body = body
)
def add_update_method(data_type):
method_name = 'Update'
result_type = 'bool'
args = [ ('const {} *'.format(data_type), 'data') ]
impl_header.add_method_declaration(
impl_class, method_name, result_type, args, func_type = True
)
body = ''
if self.config.embed_impl[0] == 'stddataunitimp':
body = update_method_tmpl.render(indent = util.INDENT,
cache_name = cache_class_name, reg_type = self.config.REG_TYPE,
member = self.field_name(cache_class_name)
)
impl_cpp.add_method_definitaion(
impl_class, method_name, result_type, args, body = body)
if not self.config.is_embeded:
return
cls_cursor = self.mcd_unit.find_class_cursor(self.config.embed_class)
if not cls_cursor:
print('Error: cannot find class "{}"'.format(self.config.embed_class))
return
# Add field declaration into the embeded class
exist, cursor = util.find_or_insert(cls_cursor, CursorKind.FIELD_DECL,
lambda c : self.is_cache_class(c.type.spelling),
lambda c : c.type.spelling == cache_class_name)
if exist:
print('Error: "{}" already has field "{}" of type "{}" at line {}'.format(
self.config.embed_class, cursor.spelling, cache_class_name,
cursor.location.line))
else:
util.insert_after_line(self.mcd_unit.filepath, cursor.extent.end.line,
util.INDENT + self.field_decl(cache_class_name))
self._add_reg_type()
add_convert_method(srccursor)
add_update_method(srccursor.spelling)
def add_notify_method(self, cache_class_name):
method_name = 'Notify'
result_type = 'void'
args = [ ('const vector<SCltRegInfo> &', 'info') ]
if self.config.notify.stockid:
args.append(('const char *', 'stockID'))
if self.config.notify.market:
args.append(('unsigned short', 'marketID'))
args.append(('const {} *'.format(cache_class_name), 'data'))
args.append(('const {} *'.format(cache_class_name), 'old'))
self.mcd_unit.add_method_declaration(
'CDataNotify', method_name, result_type, args,
func_type = util.PURE_VIRTUAL
)
unit = BaseUnit('multicachedata', 'notifytransfer.h', self.config.root)
unit.add_method_declaration(
'CNotifyTransfrer', method_name, result_type, args,
func_type = util.VIRTUAL
)
def add_mds_staff(self, cache_class_name):
ph_unit = BaseUnit('multidatasvr', 'process.h', self.config.root)
pcpp_unit = BaseUnit('multidatasvr', 'process.cpp', self.config.root)
if self.config.stock_data:
macro_name = 'PACK_PC_STK_{}'.format(self.config.DATA_MODEL)
else:
macro_name = 'PACK_PC_{}'.format(self.config.DATA_MODEL)
same, def_cursor = ph_unit.find_or_insert(CursorKind.MACRO_DEFINITION,
lambda c : c.spelling.startswith('PACK_PC'),
lambda c : c.spelling == macro_name
)
if not same:
# TODO: libclang does not find macro definition at now.
last_macro = () # 4-elements tuple(line, length, name, value)
pattern = re.compile(r'#define +(PACK_PC_\w+) +(\d+)')
with open(ph_unit.filepath) as f:
for i, line in enumerate(f):
m = pattern.search(line)
if m:
last_macro = (i, m.group(1), m.group(2))
if m.group(2) == macro_name:
break
if last_macro[1] == macro_name:
print('Macro "{}" is already there'.format(macro_name))
else:
text = '#define {:<{}} {}'.format(macro_name, len(last_macro[1]),
int(last_macro[2]) + 1)
util.insert_after_line(ph_unit.filepath, last_macro[0] + 1, text)
# add the case statement to process.cpp
cursor = pcpp_unit.find(CursorKind.CXX_METHOD,
lambda c : c.spelling == '_ProcReq')
if cursor:
for c in cursor.get_children():
if c.kind == CursorKind.COMPOUND_STMT:
for c in cursor.get_children():
print(c.kind, c.spelling)
def field_decl(self, cache_class_name):
return cache_class_name + ' ' + self.field_name(cache_class_name) + ';'
def field_name(self, cache_class_name):
name = cache_class_name[len(self.config.CACHE_CLASS_PREFIX):]
return 'm_' + name[0].lower() + name[1:]
def is_cache_class(self, class_name):
return class_name.startswith(self.config.CACHE_CLASS_PREFIX)