mirror of
https://github.com/marzer/tomlplusplus.git
synced 2024-09-04 14:09:11 +00:00
600 lines
17 KiB
Python
Executable File
600 lines
17 KiB
Python
Executable File
#!/usr/bin/env python3
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# This file is a part of toml++ and is subject to the the terms of the MIT license.
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# Copyright (c) Mark Gillard <mark.gillard@outlook.com.au>
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# See https://github.com/marzer/tomlplusplus/blob/master/LICENSE for the full license text.
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# SPDX-License-Identifier: MIT
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import sys
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import utils
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import re
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import json
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import yaml
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import math
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import dateutil.parser
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from pathlib import Path
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from datetime import datetime, date, time
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from io import StringIO
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def sanitize(s):
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s = re.sub(r'[ _:;\/-]+', '_', s, 0, re.I | re.M)
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if s in ('bool', 'float', 'int', 'double', 'auto', 'array', 'table'):
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s = s + '_'
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return s
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def is_problematic_control_char(val):
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if isinstance(val, str):
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val = ord(val)
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return (0x00 <= val <= 0x08) or (0x0B <= val <= 0x1F) or val == 0x7F
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def has_problematic_control_chars(val):
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for c in val:
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if is_problematic_control_char(c):
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return True
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return False
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def requires_unicode(s):
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for c in s:
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if ord(c) > 127:
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return True
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return False
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def make_string_literal(val, escape_all = False, escape_any = False):
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get_ord = (lambda c: ord(c)) if isinstance(val, str) else (lambda c: c)
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if escape_all:
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with StringIO() as buf:
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line_len = 0
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for c in val:
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c_ord = get_ord(c)
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if not line_len:
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buf.write('\n\t\t"')
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line_len += 1
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if c_ord <= 0xFF:
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buf.write(rf'\x{c_ord:02X}')
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line_len += 4
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elif c_ord <= 0xFFFF:
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buf.write(rf'\u{c_ord:04X}')
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line_len += 6
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else:
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buf.write(rf'\U{c_ord:08X}')
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line_len += 10
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if line_len >= 100:
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buf.write('"')
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line_len = 0
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if line_len:
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buf.write('"')
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return buf.getvalue()
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elif escape_any:
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with StringIO() as buf:
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buf.write(r'"')
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for c in val:
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c_ord = get_ord(c)
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if c_ord == 0x22: # "
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buf.write(r'\"')
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elif c_ord == 0x5C: # \
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buf.write(r'\\')
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elif c_ord == 0x0A: # \n
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buf.write('\\n"\n\t\t"')
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elif c_ord == 0x0B: # \v
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buf.write(r'\v')
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elif c_ord == 0x0C: # \f
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buf.write(r'\f')
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elif c_ord == 0x0D: # \r
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buf.write(r'\r')
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elif is_problematic_control_char(c_ord):
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if c_ord <= 0xFF:
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buf.write(rf'\x{c_ord:02X}')
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elif c_ord <= 0xFFFF:
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buf.write(rf'\u{c_ord:04X}')
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else:
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buf.write(rf'\U{c_ord:08X}')
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else:
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buf.write(chr(c_ord))
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buf.write(r'"')
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return buf.getvalue()
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else:
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return rf'R"({val})"'
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def python_value_to_tomlpp(val):
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if isinstance(val, str):
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if not val:
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return r'""sv'
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elif re.fullmatch(r'^[+-]?[0-9]+[eE][+-]?[0-9]+$', val, re.M):
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return str(float(val))
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else:
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return rf'{make_string_literal(val, escape_any = has_problematic_control_chars(val))}sv'
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elif isinstance(val, bool):
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return 'true' if val else 'false'
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elif isinstance(val, float):
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if math.isinf(val):
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return f'{"-" if val < 0.0 else ""}std::numeric_limits<double>::infinity()'
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elif math.isnan(val):
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return 'std::numeric_limits<double>::quiet_NaN()'
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else:
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return str(val)
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elif isinstance(val, int):
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if val == 9223372036854775807:
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return 'std::numeric_limits<int64_t>::max()'
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elif val == -9223372036854775808:
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return 'std::numeric_limits<int64_t>::min()'
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else:
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return str(val)
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elif isinstance(val, (TomlPPArray, TomlPPTable)):
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return str(val)
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elif isinstance(val, (date, time, datetime)):
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date_args = None
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if isinstance(val, (date, datetime)):
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date_args = rf'{val.year}, {val.month}, {val.day}'
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time_args = None
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if isinstance(val, (time, datetime)):
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time_args = rf'{val.hour}, {val.minute}'
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if val.second and val.microsecond:
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time_args = rf'{time_args}, {val.second}, {val.microsecond*1000}'
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elif val.second:
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time_args = rf'{time_args}, {val.second}'
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elif val.microsecond:
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time_args = rf'{time_args}, 0, {val.microsecond*1000}'
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if isinstance(val, datetime):
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offset_init = ''
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if val.tzinfo is not None:
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offset = val.tzinfo.utcoffset(val)
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mins = offset.total_seconds() / 60
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offset = (int(mins / 60), int(mins % 60))
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offset_init = rf', {{ {offset[0]}, {offset[1]} }}'
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return rf'toml::date_time{{ {{ {date_args} }}, {{ {time_args} }}{offset_init} }}'
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elif isinstance(val, time):
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return rf'toml::time{{ {time_args} }}'
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elif isinstance(val, date):
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return rf'toml::date{{ {date_args} }}'
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else:
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raise ValueError(str(type(val)))
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class TomlPPArray:
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def __init__(self, init_data=None):
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self.values = init_data if init_data else list()
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def render(self, indent = '', indent_declaration = False):
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s = ''
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if indent_declaration:
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s += indent
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if len(self.values) == 0:
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s += 'toml::array{}'
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else:
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s += 'toml::array{'
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for val in self.values:
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s += '\n' + indent + '\t'
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if isinstance(val, TomlPPArray) and len(self.values) == 1:
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s += 'toml::inserter{'
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if isinstance(val, (TomlPPTable, TomlPPArray)) and len(val) > 0:
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s += val.render(indent + '\t')
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else:
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s += python_value_to_tomlpp(val)
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if isinstance(val, TomlPPArray) and len(self.values) == 1:
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s += '}'
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s += ','
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s += '\n' + indent + '}'
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return s
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def __str__(self):
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return self.render()
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def __len__(self):
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return len(self.values)
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class TomlPPTable:
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def __init__(self, init_data=None):
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self.values = init_data if init_data else dict()
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def render(self, indent = '', indent_declaration = False):
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s = ''
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if indent_declaration:
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s += indent
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if len(self.values) == 0:
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s += 'toml::table{}'
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else:
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s += 'toml::table{'
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for key, val in self.values.items():
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s += '\n' + indent + '\t{ '
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if isinstance(val, (TomlPPTable, TomlPPArray)) and len(val) > 0:
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s += '\n' + indent + '\t\t{},'.format(python_value_to_tomlpp(str(key)))
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s += ' ' + val.render(indent + '\t\t')
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s += '\n' + indent + '\t'
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else:
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s += '{}, {} '.format(python_value_to_tomlpp(str(key)), python_value_to_tomlpp(val))
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s += '},'
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s += '\n' + indent + '}'
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return s
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def __str__(self):
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return self.render()
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def __len__(self):
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return len(self.values)
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def json_to_python(val):
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if isinstance(val, dict):
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if len(val) == 2 and "type" in val and "value" in val:
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val_type = val["type"]
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if val_type == "integer":
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return int(val["value"])
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elif val_type == "float":
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return float(val["value"])
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elif val_type == "string":
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return str(val["value"])
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elif val_type == "bool":
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return True if val["value"].lower() == "true" else False
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elif val_type == "array":
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return json_to_python(val["value"])
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elif val_type in ("datetime", "date", "time", "datetime-local", "date-local", "time-local"):
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dt_val = dateutil.parser.parse(val["value"])
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if val_type in ("date", "date-local"):
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return dt_val.date()
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elif val_type in ("time", "time-local"):
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return dt_val.time()
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else:
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return dt_val
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else:
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raise ValueError(val_type)
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else:
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vals = dict()
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for k,v in val.items():
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vals[k] = json_to_python(v)
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return vals
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elif isinstance(val, list):
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vals = list()
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for v in val:
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vals.append(json_to_python(v))
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return vals
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else:
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raise ValueError(str(type(val)))
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def python_to_tomlpp(node):
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if isinstance(node, dict):
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table = TomlPPTable()
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for key, val in node.items():
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table.values[key] = python_to_tomlpp(val)
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return table
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elif isinstance(node, (set, list, tuple)):
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array = TomlPPArray()
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for val in node:
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array.values.append(python_to_tomlpp(val))
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return array
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else:
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return node
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class TomlTest:
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def __init__(self, file_path, name, is_valid_case):
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self.__name = name
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self.__identifier = sanitize(self.__name)
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self.__group = self.__identifier.strip('_').split('_')[0]
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# read file
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self.__raw = True
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self.__bytes = False
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with open(file_path, "rb") as f:
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self.__source = f.read()
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# if we find a utf-16 or utf-32 BOM, treat the file as bytes
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if len(self.__source) >= 4:
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prefix = self.__source[:4]
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if prefix == b'\x00\x00\xFE\xFF' or prefix == b'\xFF\xFE\x00\x00':
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self.__bytes = True
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if len(self.__source) >= 2:
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prefix = self.__source[:2]
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if prefix == b'\xFF\xFE' or prefix == b'\xFE\xFF':
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self.__bytes = True
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# if we find a utf-8 BOM, treat it as a string but don't use a raw string literal
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if not self.__bytes and len(self.__source) >= 3:
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prefix = self.__source[:3]
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if prefix == b'\xEF\xBB\xBF':
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self.__raw = False
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# if we're not treating it as bytes, decode the bytes into a utf-8 string
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if not self.__bytes:
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try:
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self.__source = str(self.__source, encoding='utf-8')
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# disable raw literals if the string contains some things that should be escaped
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for c in self.__source:
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if is_problematic_control_char(c):
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self.__raw = False
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break
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# disable raw literals if the string has trailing backslashes followed by whitespace on the same line
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# (GCC doesn't like it and generates some noisy warnings)
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if self.__raw and re.search(r'\\[ \t]+?\n', self.__source, re.S):
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self.__raw = False
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except UnicodeDecodeError:
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self.__bytes = True
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# strip off trailing newlines for non-byte strings (they're just noise)
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if not self.__bytes:
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while self.__source.endswith('\r\n'):
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self.__source = self.__source[:-2]
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self.__source = self.__source.rstrip('\n')
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# parse preprocessor conditions
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self.__conditions = []
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if is_valid_case:
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self.__expected = True
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path_base = str(Path(file_path.parent, file_path.stem))
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yaml_file = Path(path_base + r'.yaml')
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if yaml_file.exists():
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self.__expected = python_to_tomlpp(yaml.load(
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utils.read_all_text_from_file(yaml_file, logger=True),
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Loader=yaml.FullLoader
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))
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else:
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json_file = Path(path_base + r'.json')
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if json_file.exists():
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self.__expected = python_to_tomlpp(json_to_python(json.loads(
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utils.read_all_text_from_file(json_file, logger=True),
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)))
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else:
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self.__expected = False
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def name(self):
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return self.__name
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def identifier(self):
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return self.__identifier
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def group(self):
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return self.__group
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def add_condition(self, cond):
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self.__conditions.append(cond)
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return self
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def condition(self):
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if not self.__conditions or not self.__conditions[0]:
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return ''
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if len(self.__conditions) == 1:
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return rf'{self.__conditions[0]}'
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return rf'{" && ".join([rf"{c}" for c in self.__conditions])}'
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def expected(self):
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return self.__expected
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def __str__(self):
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return rf'static constexpr auto {self.__identifier} = {make_string_literal(self.__source, escape_all = self.__bytes, escape_any = not self.__raw)}sv;'
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def load_tests(source_folder, is_valid_set, ignore_list = None):
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source_folder = source_folder.resolve()
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utils.assert_existing_directory(source_folder)
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files = utils.get_all_files(source_folder, all="*.toml", recursive=True)
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strip_source_folder_len = len(str(source_folder))
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files = [(f, str(f)[strip_source_folder_len+1:-5].replace('\\', '-').replace('/', '-').strip()) for f in files]
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if ignore_list:
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files_ = []
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for f,n in files:
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ignored = False
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for ignore in ignore_list:
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if ignore is None:
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continue
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if isinstance(ignore, str):
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if n == ignore:
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ignored = True
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break
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elif ignore.fullmatch(n) is not None: # regex
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ignored = True
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break
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if not ignored:
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files_.append((f, n))
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files = files_
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tests = []
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for f,n in files:
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tests.append(TomlTest(f, n, is_valid_set))
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return tests
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def add_condition(tests, condition, names):
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for test in tests:
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matched = False
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for name in names:
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if isinstance(name, str):
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if test.name() == name:
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matched = True
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break
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elif name.fullmatch(test.name()) is not None: # regex
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matched = True
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break
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if matched:
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test.add_condition(condition)
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def load_valid_inputs(tests, extern_root):
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tests['valid']['burntsushi'] = load_tests(Path(extern_root, 'toml-test', 'tests', 'valid'), True, (
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# broken by the json reader
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'key-alphanum',
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))
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add_condition(tests['valid']['burntsushi'], '!TOML_MSVC', (
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'inline-table-key-dotted', # causes MSVC to run out of heap space during compilation O_o
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))
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tests['valid']['iarna'] = load_tests(Path(extern_root, 'toml-spec-tests', 'values'), True, (
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# these are stress-tests for 'large' datasets. I test these separately. Having them inline in C++ code is insane.
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'qa-array-inline-1000',
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'qa-array-inline-nested-1000',
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'qa-key-literal-40kb',
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'qa-key-string-40kb',
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'qa-scalar-literal-40kb',
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'qa-scalar-literal-multiline-40kb',
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'qa-scalar-string-40kb',
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'qa-scalar-string-multiline-40kb',
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'qa-table-inline-1000',
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'qa-table-inline-nested-1000',
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# bugged: https://github.com/iarna/toml-spec-tests/issues/3
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'spec-date-time-6',
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'spec-date-time-local-2',
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'spec-time-2',
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))
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def load_invalid_inputs(tests, extern_root):
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tests['invalid']['burntsushi'] = load_tests(Path(extern_root, 'toml-test', 'tests', 'invalid'), False)
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add_condition(tests['invalid']['burntsushi'], '!TOML_LANG_UNRELEASED', (
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'datetime-no-secs',
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re.compile(r'inline-table-linebreak-.*'),
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'inline-table-trailing-comma',
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'key-special-character',
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'multi-line-inline-table',
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'string-basic-byte-escapes',
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))
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tests['invalid']['iarna'] = load_tests(Path(extern_root, 'toml-spec-tests', 'errors'), False)
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add_condition(tests['invalid']['iarna'], '!TOML_LANG_UNRELEASED', (
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'inline-table-trailing-comma',
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))
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def write_test_file(name, all_tests):
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for test in all_tests:
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unicode = requires_unicode(str(test))
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if not unicode and not isinstance(test.expected(), bool):
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unicode = requires_unicode(test.expected().render())
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if unicode:
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test.add_condition(r'UNICODE_LITERALS_OK')
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tests_by_group = {}
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for test in all_tests:
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if test.group() not in tests_by_group:
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tests_by_group[test.group()] = {}
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cond = test.condition()
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if cond not in tests_by_group[test.group()]:
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tests_by_group[test.group()][cond] = []
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tests_by_group[test.group()][cond].append(test)
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all_tests = tests_by_group
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test_file_path = Path(utils.entry_script_dir(), '..', 'tests', rf'conformance_{sanitize(name.strip())}.cpp').resolve()
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with StringIO() as test_file_buffer:
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write = lambda txt,end='\n': print(txt, file=test_file_buffer, end=end)
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|
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# preamble
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write(r'// This file is a part of toml++ and is subject to the the terms of the MIT license.')
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write(r'// Copyright (c) Mark Gillard <mark.gillard@outlook.com.au>')
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write(r'// See https://github.com/marzer/tomlplusplus/blob/master/LICENSE for the full license text.')
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|
write(r'// SPDX-License-Identifier: MIT')
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|
write(r'//-----')
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|
write(r'// this file was generated by generate_conformance_tests.py - do not modify it directly')
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|
write(r'')
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write(r'#include "tests.h"')
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|
|
|
# test data
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|
write(r'')
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|
write('namespace')
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|
write('{', end='')
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|
for group, conditions in all_tests.items():
|
|
for condition, tests in conditions.items():
|
|
write('')
|
|
if condition != '':
|
|
write(f'#if {condition}');
|
|
write('')
|
|
for test in tests:
|
|
write(f'\t{test}')
|
|
if condition != '':
|
|
write('')
|
|
write(f'#endif // {condition}');
|
|
write('}')
|
|
|
|
# tests
|
|
write('')
|
|
write(f'TEST_CASE("conformance - {name}")')
|
|
write('{', end='')
|
|
for group, conditions in all_tests.items():
|
|
for condition, tests in conditions.items():
|
|
if condition != '':
|
|
write('')
|
|
write(f'#if {condition}');
|
|
for test in tests:
|
|
write('')
|
|
expected = test.expected()
|
|
if isinstance(expected, bool):
|
|
if expected:
|
|
write(f'\tparsing_should_succeed(FILE_LINE_ARGS, {test.identifier()}); // {test.name()}')
|
|
else:
|
|
write(f'\tparsing_should_fail(FILE_LINE_ARGS, {test.identifier()}); // {test.name()}')
|
|
else:
|
|
s = expected.render('\t\t')
|
|
write(f'\tparsing_should_succeed(FILE_LINE_ARGS, {test.identifier()}, [](toml::table&& tbl) // {test.name()}')
|
|
write('\t{')
|
|
write(f'\t\tconst auto expected = {s};')
|
|
write('\t\tREQUIRE(tbl == expected);')
|
|
write('\t});')
|
|
if condition != '':
|
|
write('')
|
|
write(f'#endif // {condition}');
|
|
write('}')
|
|
write('')
|
|
|
|
test_file_content = test_file_buffer.getvalue()
|
|
|
|
# clang-format
|
|
print(f"Running clang-format for {test_file_path}")
|
|
try:
|
|
test_file_content = utils.apply_clang_format(test_file_content, cwd=test_file_path.parent)
|
|
except Exception as ex:
|
|
print(rf'Error running clang-format:', file=sys.stderr)
|
|
utils.print_exception(ex)
|
|
|
|
# write to disk
|
|
print(rf'Writing {test_file_path}')
|
|
with open(test_file_path, 'w', encoding='utf-8', newline='\n') as test_file:
|
|
test_file.write(test_file_content)
|
|
|
|
|
|
|
|
def main():
|
|
extern_root = Path(utils.entry_script_dir(), '..', 'external').resolve()
|
|
utils.assert_existing_directory(extern_root)
|
|
assert extern_root.exists()
|
|
all_tests = { 'valid': dict(), 'invalid': dict() }
|
|
load_valid_inputs(all_tests, extern_root)
|
|
load_invalid_inputs(all_tests, extern_root)
|
|
for validity, sources in all_tests.items():
|
|
for source, tests in sources.items():
|
|
write_test_file('{}/{}'.format(source, validity), tests )
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
utils.run(main, verbose=True)
|