| 1 | # The MIT License (MIT) |
| 2 | # |
| 3 | # Copyright (c) 2015-2020 Philippe Proulx <pproulx@efficios.com> |
| 4 | # |
| 5 | # Permission is hereby granted, free of charge, to any person obtaining |
| 6 | # a copy of this software and associated documentation files (the |
| 7 | # "Software"), to deal in the Software without restriction, including |
| 8 | # without limitation the rights to use, copy, modify, merge, publish, |
| 9 | # distribute, sublicense, and/or sell copies of the Software, and to |
| 10 | # permit persons to whom the Software is furnished to do so, subject to |
| 11 | # the following conditions: |
| 12 | # |
| 13 | # The above copyright notice and this permission notice shall be |
| 14 | # included in all copies or substantial portions of the Software. |
| 15 | # |
| 16 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 17 | # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 18 | # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 19 | # IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| 20 | # CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 21 | # TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 22 | # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 23 | |
| 24 | import barectf.config as barectf_config |
| 25 | import barectf.template as barectf_template |
| 26 | from typing import List, Optional, Union |
| 27 | import typing |
| 28 | |
| 29 | |
| 30 | def _filt_disp_base_int(disp_base: barectf_config.DisplayBase) -> int: |
| 31 | return { |
| 32 | barectf_config.DisplayBase.BINARY: 2, |
| 33 | barectf_config.DisplayBase.OCTAL: 8, |
| 34 | barectf_config.DisplayBase.DECIMAL: 10, |
| 35 | barectf_config.DisplayBase.HEXADECIMAL: 16, |
| 36 | }[disp_base] |
| 37 | |
| 38 | |
| 39 | def _filt_int_ft_str(ft: barectf_config._FieldType) -> str: |
| 40 | return _INT_FT_TEMPL.render(ft=ft, |
| 41 | is_signed=isinstance(ft, barectf_config.SignedIntegerFieldType)) |
| 42 | |
| 43 | |
| 44 | def _gen_enum_ft(ft: barectf_config._FieldType) -> str: |
| 45 | return _ENUM_FT_TEMPL.render(ft=ft) |
| 46 | |
| 47 | |
| 48 | def _gen_real_ft(ft: barectf_config._FieldType) -> str: |
| 49 | return _REAL_FT_TEMPL.render(ft=ft) |
| 50 | |
| 51 | |
| 52 | def _gen_str_ft(ft: barectf_config._FieldType) -> str: |
| 53 | return _STR_FT_TEMPL.render(ft=ft) |
| 54 | |
| 55 | |
| 56 | def _filt_ft_lengths(ft: barectf_config._FieldType) -> List[Union[str, int]]: |
| 57 | lengths: List[Union[str, int]] = [] |
| 58 | |
| 59 | while isinstance(ft, barectf_config._ArrayFieldType): |
| 60 | if type(ft) is barectf_config.StaticArrayFieldType: |
| 61 | ft = typing.cast(barectf_config.StaticArrayFieldType, ft) |
| 62 | lengths.append(ft.length) |
| 63 | else: |
| 64 | assert type(ft) is barectf_config.DynamicArrayFieldType |
| 65 | ft = typing.cast(barectf_config.DynamicArrayFieldType, ft) |
| 66 | lengths.append(typing.cast(str, ft._length_ft_member_name)) |
| 67 | |
| 68 | ft = ft.element_field_type |
| 69 | |
| 70 | return lengths |
| 71 | |
| 72 | |
| 73 | def _filt_deepest_ft(ft: barectf_config._FieldType) -> barectf_config._FieldType: |
| 74 | while isinstance(ft, barectf_config._ArrayFieldType): |
| 75 | ft = ft.element_field_type |
| 76 | |
| 77 | return ft |
| 78 | |
| 79 | |
| 80 | def _gen_struct_ft(ft: barectf_config._FieldType) -> str: |
| 81 | return _STRUCT_FT_TEMPL.render(ft=ft) |
| 82 | |
| 83 | |
| 84 | _FT_CLS_TO_GEN_FT_FUNC = { |
| 85 | barectf_config.UnsignedIntegerFieldType: _filt_int_ft_str, |
| 86 | barectf_config.SignedIntegerFieldType: _filt_int_ft_str, |
| 87 | barectf_config.UnsignedEnumerationFieldType: _gen_enum_ft, |
| 88 | barectf_config.SignedEnumerationFieldType: _gen_enum_ft, |
| 89 | barectf_config.RealFieldType: _gen_real_ft, |
| 90 | barectf_config.StringFieldType: _gen_str_ft, |
| 91 | barectf_config.StructureFieldType: _gen_struct_ft, |
| 92 | } |
| 93 | |
| 94 | |
| 95 | def _filt_ft_str(ft: barectf_config._FieldType) -> str: |
| 96 | return _FT_CLS_TO_GEN_FT_FUNC[type(ft)](ft) |
| 97 | |
| 98 | |
| 99 | _TEMPL_FILTERS = { |
| 100 | 'disp_base_int': _filt_disp_base_int, |
| 101 | 'int_ft_str': _filt_int_ft_str, |
| 102 | 'ft_str': _filt_ft_str, |
| 103 | 'ft_lengths': _filt_ft_lengths, |
| 104 | 'deepest_ft': _filt_deepest_ft, |
| 105 | } |
| 106 | |
| 107 | |
| 108 | def _create_template(name: str, is_file_template: bool = False, |
| 109 | cfg: Optional[barectf_config.Configuration] = None) -> barectf_template._Template: |
| 110 | return barectf_template._Template(f'metadata/{name}', is_file_template, cfg, |
| 111 | typing.cast(barectf_template._Filters, _TEMPL_FILTERS)) |
| 112 | |
| 113 | |
| 114 | _ENUM_FT_TEMPL = _create_template('enum-ft.j2') |
| 115 | _INT_FT_TEMPL = _create_template('int-ft.j2') |
| 116 | _REAL_FT_TEMPL = _create_template('real-ft.j2') |
| 117 | _STR_FT_TEMPL = _create_template('str-ft.j2') |
| 118 | _STRUCT_FT_TEMPL = _create_template('struct-ft.j2') |
| 119 | |
| 120 | |
| 121 | def _from_config(cfg: barectf_config.Configuration) -> str: |
| 122 | return _create_template('metadata.j2', True, cfg).render() |