Cutlery/calibre
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Kovid Goyal 2020-09-13 16:57:51 +05:30
parent 2525cfccee
commit 0fc090e2dc
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1 changed files with 10 additions and 2 deletions
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12
src/calibre/utils/formatter.py
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@ -17,6 +17,7 @@ from calibre.utils.formatter_functions import formatter_functions
from calibre.utils.icu import strcmp from calibre.utils.icu import strcmp
from polyglot.builtins import unicode_type, error_message from polyglot.builtins import unicode_type, error_message
class Node(object): class Node(object):
NODE_RVALUE = 1 NODE_RVALUE = 1
NODE_IF = 2 NODE_IF = 2
@ -27,6 +28,7 @@ class Node(object):
NODE_FIELD = 7 NODE_FIELD = 7
NODE_RAW_FIELD = 8 NODE_RAW_FIELD = 8
class IfNode(Node): class IfNode(Node):
def __init__(self, condition, then_part, else_part): def __init__(self, condition, then_part, else_part):
Node.__init__(self) Node.__init__(self)
@ -35,6 +37,7 @@ class IfNode(Node):
self.then_part = then_part self.then_part = then_part
self.else_part = else_part self.else_part = else_part
class AssignNode(Node): class AssignNode(Node):
def __init__(self, left, right): def __init__(self, left, right):
Node.__init__(self) Node.__init__(self)
@ -42,6 +45,7 @@ class AssignNode(Node):
self.left = left self.left = left
self.right = right self.right = right
class FunctionNode(Node): class FunctionNode(Node):
def __init__(self, function_name, expression_list): def __init__(self, function_name, expression_list):
Node.__init__(self) Node.__init__(self)
@ -49,6 +53,7 @@ class FunctionNode(Node):
self.name = function_name self.name = function_name
self.expression_list = expression_list self.expression_list = expression_list
class InfixNode(Node): class InfixNode(Node):
def __init__(self, operator, left, right): def __init__(self, operator, left, right):
Node.__init__(self) Node.__init__(self)
@ -57,24 +62,28 @@ class InfixNode(Node):
self.left = left self.left = left
self.right = right self.right = right
class ConstantNode(Node): class ConstantNode(Node):
def __init__(self, value): def __init__(self, value):
Node.__init__(self) Node.__init__(self)
self.node_type = self.NODE_CONSTANT self.node_type = self.NODE_CONSTANT
self.value = value self.value = value
class VariableNode(Node): class VariableNode(Node):
def __init__(self, name): def __init__(self, name):
Node.__init__(self) Node.__init__(self)
self.node_type = self.NODE_RVALUE self.node_type = self.NODE_RVALUE
self.name = name self.name = name
class FieldNode(Node): class FieldNode(Node):
def __init__(self, expression): def __init__(self, expression):
Node.__init__(self) Node.__init__(self)
self.node_type = self.NODE_FIELD self.node_type = self.NODE_FIELD
self.expression = expression self.expression = expression
class RawFieldNode(Node): class RawFieldNode(Node):
def __init__(self, expression): def __init__(self, expression):
Node.__init__(self) Node.__init__(self)
@ -283,8 +292,7 @@ class _Parser(object):
return RawFieldNode(arguments[0]) return RawFieldNode(arguments[0])
if id_ == 'test' and len(arguments) == 3: if id_ == 'test' and len(arguments) == 3:
return IfNode(arguments[0], (arguments[1],), (arguments[2],)) return IfNode(arguments[0], (arguments[1],), (arguments[2],))
if (id_ == 'assign' and len(arguments) == 2 if (id_ == 'assign' and len(arguments) == 2 and arguments[0].node_type == Node.NODE_RVALUE):
and arguments[0].node_type == Node.NODE_RVALUE):
return AssignNode(arguments[0].name, arguments[1]) return AssignNode(arguments[0].name, arguments[1])
cls = self.funcs[id_] cls = self.funcs[id_]
if cls.arg_count != -1 and len(arguments) != cls.arg_count: if cls.arg_count != -1 and len(arguments) != cls.arg_count: