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strangeqargo
parent
6b7bdb1e62
commit
f32dd7a65c
@ -34,10 +34,12 @@ import pprint
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from pyparsing import CaselessLiteral, Literal, SkipTo, restOfLine, oneOf, ZeroOrMore, Optional, Combine, Suppress, \
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WordStart, WordEnd, Word, alphas, alphanums, nums, QuotedString, nestedExpr, MatchFirst, OneOrMore, delimitedList, Or, Group
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def usage():
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print('Usage: ddl2cpp [-no-timestamp-warning] <path to ddl> <path to target (without extension, e.g. /tmp/MyTable)> <namespace>')
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if len(sys.argv) not in (4,5):
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def usage():
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print('Usage: ddl2cpp [-no-timestamp-warning] <path to ddl> \
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<path to target (without extension, e.g. /tmp/MyTable)> <namespace>')
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if len(sys.argv) not in (4, 5):
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usage()
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sys.exit(1)
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@ -63,16 +65,19 @@ def get_include_guard_name(namespace, inputfile):
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val = re.sub("[^A-Za-z]+", "_", namespace + '_' + os.path.basename(inputfile))
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return val.upper()
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def repl_func(m):
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if (m.group(1) == '_'):
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if m.group(1) == '_':
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return m.group(2).upper()
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else:
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return m.group(1) + m.group(2).upper()
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def toClassName(s):
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def to_class_name(s):
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return re.sub("(^|\s|[_0-9])(\S)", repl_func, s)
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def toMemberName(s):
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def to_member_name(s):
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return re.sub("(\s|_|[0-9])(\S)", repl_func, s)
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@ -80,6 +85,9 @@ def toMemberName(s):
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def ddlWord(string):
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return WordStart(alphanums + "_") + CaselessLiteral(string) + WordEnd(alphanums + "_")
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def ddlFunctionWord(string):
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return CaselessLiteral(string) + OneOrMore("(") + ZeroOrMore(" ") + OneOrMore(")")
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ddlString = Or([QuotedString("'"), QuotedString("\"", escQuote='""'), QuotedString("`")])
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negativeSign = Literal('-')
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ddlNum = Combine(Optional(negativeSign) + Word(nums + "."))
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@ -87,8 +95,8 @@ ddlTerm = Word(alphas, alphanums + "_$")
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ddlName = Or([ddlTerm, ddlString])
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ddlArguments = "(" + delimitedList(Or([ddlString, ddlTerm, ddlNum])) + ")"
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ddlNotNull = Group(ddlWord("NOT") + ddlWord("NULL")).setResultsName("notNull")
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ddlDefaultValue = ddlWord("DEFAULT").setResultsName("hasDefaultValue");
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ddlAutoValue = ddlWord("AUTO_INCREMENT").setResultsName("hasAutoValue");
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ddlDefaultValue = ddlWord("DEFAULT").setResultsName("hasDefaultValue")
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ddlAutoValue = ddlWord("AUTO_INCREMENT").setResultsName("hasAutoValue")
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ddlColumnComment = Group(ddlWord("COMMENT") + ddlString).setResultsName("comment")
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ddlConstraint = Or([
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ddlWord("CONSTRAINT"),
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@ -98,7 +106,9 @@ ddlConstraint = Or([
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ddlWord("INDEX"),
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ddlWord("UNIQUE"),
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])
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ddlColumn = Group(Optional(ddlConstraint).setResultsName("isConstraint") + OneOrMore(MatchFirst([ddlNotNull, ddlAutoValue, ddlDefaultValue, ddlTerm, ddlNum, ddlColumnComment, ddlString, ddlArguments])))
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ddlColumn = Group(Optional(ddlConstraint).setResultsName("isConstraint") + OneOrMore(MatchFirst(
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[ddlNotNull, ddlAutoValue, ddlDefaultValue, ddlFunctionWord("NOW"), ddlTerm, ddlNum, ddlColumnComment, ddlString,
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ddlArguments])))
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createTable = Group(ddlWord("CREATE") + ddlWord("TABLE") + ddlName.setResultsName("tableName") + "(" + Group(delimitedList(ddlColumn)).setResultsName("columns") + ")").setResultsName("create")
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@ -125,12 +135,12 @@ types = {
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'boolean': 'boolean',
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'double': 'floating_point',
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'float': 'floating_point',
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'date' : 'day_point',
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'datetime' : 'time_point',
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'timestamp' : 'time_point',
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'enum' : 'text', # MYSQL
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'set' : 'text', # MYSQL
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}
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'date': 'day_point',
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'datetime': 'time_point',
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'timestamp': 'time_point',
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'enum': 'text', # MYSQL
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'set': 'text', # MYSQL
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}
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# PROCESS DDL
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@ -147,11 +157,11 @@ print('#include <' + INCLUDE + '/char_sequence.h>', file=header)
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print('', file=header)
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print('namespace ' + namespace, file=header)
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print('{', file=header)
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DataTypeError = False;
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DataTypeError = False
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for create in tableCreations:
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sqlTableName = create.tableName
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tableClass = toClassName(sqlTableName)
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tableMember = toMemberName(sqlTableName)
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tableClass = to_class_name(sqlTableName)
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tableMember = to_member_name(sqlTableName)
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tableNamespace = tableClass + '_'
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tableTemplateParameters = tableClass
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print(' namespace ' + tableNamespace, file=header)
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@ -160,9 +170,9 @@ for create in tableCreations:
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if column.isConstraint:
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continue
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sqlColumnName = column[0]
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columnClass = toClassName(sqlColumnName)
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columnClass = to_class_name(sqlColumnName)
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tableTemplateParameters += ',\n ' + tableNamespace + '::' + columnClass
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columnMember = toMemberName(sqlColumnName)
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columnMember = to_member_name(sqlColumnName)
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sqlColumnType = column[1].lower()
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if sqlColumnType == 'timestamp' and timestampWarning:
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print("Warning: timestamp is mapped to sqlpp::time_point like datetime")
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@ -184,22 +194,22 @@ for create in tableCreations:
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print(' };', file=header)
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print(' };', file=header)
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try:
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traitslist = [NAMESPACE + '::' + types[sqlColumnType]];
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traitslist = [NAMESPACE + '::' + types[sqlColumnType]]
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except KeyError as e:
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print ('Error: datatype "' + sqlColumnType + '"" is not supported.')
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DataTypeError = True
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requireInsert = True
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if column.hasAutoValue:
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traitslist.append(NAMESPACE + '::tag::must_not_insert');
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traitslist.append(NAMESPACE + '::tag::must_not_update');
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traitslist.append(NAMESPACE + '::tag::must_not_insert')
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traitslist.append(NAMESPACE + '::tag::must_not_update')
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requireInsert = False
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if not column.notNull:
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traitslist.append(NAMESPACE + '::tag::can_be_null');
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traitslist.append(NAMESPACE + '::tag::can_be_null')
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requireInsert = False
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if column.hasDefaultValue:
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requireInsert = False
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if requireInsert:
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traitslist.append(NAMESPACE + '::tag::require_insert');
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traitslist.append(NAMESPACE + '::tag::require_insert')
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print(' using _traits = ' + NAMESPACE + '::make_traits<' + ', '.join(traitslist) + '>;', file=header)
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print(' };', file=header)
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print(' }', file=header)
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@ -223,10 +233,11 @@ for create in tableCreations:
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print('}', file=header)
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print('#endif', file=header)
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if (DataTypeError):
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if DataTypeError:
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print("Error: unsupported datatypes." )
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print("Possible solutions:")
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print("A) Implement this datatype (examples: sqlpp11/data_types)" )
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print("B) Extend/upgrade ddl2cpp (edit types map)" )
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print("A) Implement this datatype (examples: sqlpp11/data_types)")
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print("B) Extend/upgrade ddl2cpp (edit types map)")
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print("C) Raise an issue on github" )
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sys.exit(10) #return non-zero error code, we might need it for automation
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sys.exit(10) # return non-zero error code, we might need it for automation
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