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authorAsko Nõmm <asko@nmm.ee>2025-01-02 21:36:00 +0200
committerAsko Nõmm <asko@nmm.ee>2025-01-02 21:36:00 +0200
commit89848de97da23a8c732f54bde15080b09e2bb9d9 (patch)
tree8f257163125fbaff61fcc2f4565911acdbe4cf08 /htmtl/expression_parser.py
parent689fe2613765de71101214a482c928cfdb1b2be6 (diff)
bump
Diffstat (limited to 'htmtl/expression_parser.py')
-rw-r--r--htmtl/expression_parser.py75
1 files changed, 63 insertions, 12 deletions
diff --git a/htmtl/expression_parser.py b/htmtl/expression_parser.py
index a99791b..795bde6 100644
--- a/htmtl/expression_parser.py
+++ b/htmtl/expression_parser.py
@@ -4,11 +4,11 @@ from .modifier import Modifier
class ExpressionParser:
__data: dict[str, Any]
- __expression_modifiers: list[type[Modifier]]
+ __modifiers: list[type[Modifier]]
- def __init__(self, data: dict[str, Any], expression_modifiers: list[type[Modifier]]) -> None:
+ def __init__(self, data: dict[str, Any], modifiers: list[type[Modifier]]) -> None:
self.__data = data
- self.__expression_modifiers = expression_modifiers
+ self.__modifiers = modifiers
def parse(self, expression: str) -> Any:
# no curly brackets means that the whole thing is an interpolation
@@ -45,19 +45,70 @@ class ExpressionParser:
modifiers = [x.strip() for x in parts[1:]] if len(parts) > 1 else []
for modifier in modifiers:
- modifier_parts = modifier.split(":")
- modifier_name = modifier_parts[0].strip()
- modifier_opts = [x.strip() for x in modifier_parts[1:]] if len(modifier_parts) > 1 else []
- value = self.__use_modifier(value, modifier_name, modifier_opts)
+ modifier_name = ""
+ args_start = None
+ args_end = None
+ modifier_opts = []
+
+ for idx, char in enumerate(modifier):
+ if char == "(":
+ args_start = idx + 1
+
+ if char == ")":
+ args_end = idx
+
+ if args_start is None and args_end is None:
+ modifier_name += char
+
+ if args_start and args_end:
+ args_str = modifier[args_start:args_end]
+ modifier_opts = self.__parse_args_str_to_args(args_str)
+
+ value = self.__modify_value(value, modifier_name, modifier_opts)
return value
- def __use_modifier(self, value: Any, modifier_name: str, modifier_opts: list[Any]) -> Any:
- for modifier in self.__expression_modifiers:
- modifier_instance = modifier()
+ @staticmethod
+ def __parse_args_str_to_args(args_str) -> list[str]:
+ args = []
+
+ for idx, char in enumerate(args_str):
+ if len(args) == 0:
+ args.append("")
+
+ if char == "," and args[-1].count('"') % 2 == 0:
+ args.append("")
+ else:
+ args[-1] += char
+
+ parsed_args = []
+
+ for arg in args:
+ if arg.startswith("'") and arg.endswith("'"):
+ parsed_args.append(arg[1:-1])
+ continue
+
+ if arg.startswith('"') and arg.endswith('"'):
+ parsed_args.append(arg[1:-1])
+ continue
+
+ if all([x in "1234567890" for x in arg.lstrip("-")]):
+ parsed_args.append(int(arg))
+ continue
+
+ if all([x in "1234567890." for x in arg.lstrip("-")]):
+ parsed_args.append(float(arg))
+ continue
+
+ if arg == "true" or arg == "false":
+ parsed_args.append(True if arg == "true" else False)
+
+ return parsed_args
- if modifier_instance.name == modifier_name:
- return modifier_instance.modify(value, modifier_opts)
+ def __modify_value(self, value: Any, modifier_name: str, modifier_opts: list[Any]) -> Any:
+ for modifier in self.__modifiers:
+ if modifier.__name__ == modifier_name:
+ return modifier().modify(value, modifier_opts)
return value