337 lines
13 KiB
Python
337 lines
13 KiB
Python
# -------------------------------
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# Difficult Rocket
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# Copyright © 2021-2022 by shenjackyuanjie
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# All rights reserved
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# -------------------------------
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"""
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writen by shenjackyuanjie
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mail: 3695888@qq.com
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github: @shenjackyuanjie
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gitee: @shenjackyuanjie
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"""
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import re
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from utils import translate
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default_style = {
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'font_name': 'Times New Roman',
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'font_size': 12,
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'bold': False,
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'italic': False
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}
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class SingleTextStyle:
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"""
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单个字符的字体样式
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"""
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def __init__(self,
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font_name: str = '',
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font_size: int = 12,
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bold: bool = False,
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italic: bool = False,
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color: str = 'white',
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text_tag: list = None,
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show: bool = True,
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prefix: str = '',
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suffix: str = '',
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text: str = ''):
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self.font_name = font_name
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self.font_size = font_size
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self.bold = bold
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self.italic = italic
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self.color = color
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self.prefix = prefix
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self.suffix = suffix
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if not text_tag:
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self._tag = []
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else:
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self._tag = text_tag
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self.show = show
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self.text = text
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@property
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def tag(self) -> list:
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return self._tag
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@tag.setter
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def tag(self, value: list):
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assert type(value) == list, 'SingleTextStyle.tag must be list'
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for tag in value:
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if tag not in self._tag:
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self._tag.append(tag)
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self._tag.sort()
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"""
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对运算操作的支持
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"""
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def __add__(self, other: 'SingleTextStyle') -> 'SingleTextStyle':
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"""
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叠加两个字体样式 优先使用 other 的样式
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:param other: 叠加的字体样式
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:return: 叠加后的字体样式
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"""
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assert type(other) == SingleTextStyle, f'SingleTextStyle + other\n other must be the same type, not a {type(other)}'
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return SingleTextStyle(
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font_name=other.font_name or self.font_name,
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font_size=other.font_size or self.font_size,
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bold=other.bold or self.bold,
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italic=other.italic or self.italic,
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color=other.color or self.color,
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text_tag=other.tag + self.tag,
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show=other.show or self.show,
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prefix=other.prefix + self.prefix,
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suffix=other.suffix + self.suffix,
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text=self.text
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)
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def __iadd__(self, other: 'SingleTextStyle') -> 'SingleTextStyle':
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"""
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叠加两个字体样式 优先使用 other 的样式
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:param other: 叠加的字体样式
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:return: 叠加后的字体样式
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"""
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assert type(other) == SingleTextStyle, f'SingleTextStyle += other\n other must be the same type, not a {type(other)}'
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self.font_name = other.font_name or self.font_name
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self.font_size = other.font_size or self.font_size
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self.bold = other.bold or self.bold
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self.italic = other.italic or self.italic
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self.color = other.color or self.color
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self.tag += other.tag
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self.show = other.show or self.show
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self.prefix += other.prefix
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self.suffix += other.suffix
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self.text = self.text
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return self
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"""
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对各种判定的支持
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"""
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def have_tag(self, other: 'SingleTextStyle') -> bool:
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"""
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比较两个字体样式tag是否相同
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:param other: 叠加的字体样式
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:return: 是否相同
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"""
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assert type(other) == SingleTextStyle
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return other.tag in self.tag
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def same_font(self, other: 'SingleTextStyle') -> bool:
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"""
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比较两个字体样式的字体属性是否相同
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:param other: 叠加的字体样式
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:return: 是否相同
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"""
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assert type(other) == SingleTextStyle
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return (self.font_name == other.font_name and
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self.font_size == other.font_size and
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self.color == other.color and
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self.show == other.show)
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def same_bold(self, other: 'SingleTextStyle') -> bool:
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"""
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比较两个字体样式的加粗属性是否相同
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:param other: 叠加的字体样式
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:return: 是否相同
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"""
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assert type(other) == SingleTextStyle
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return self.bold == other.bold
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def same_italic(self, other: 'SingleTextStyle') -> bool:
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"""
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比较两个字体样式的斜体属性是否相同
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:param other: 叠加的字体样式
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:return: 是否相同
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"""
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assert type(other) == SingleTextStyle
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return self.italic == other.italic
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"""
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自动输出一些属性的支持
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"""
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def HTML_font(self, suffix: bool = False) -> str:
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"""
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输出字体样式的HTML字符
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:return: HTML 格式字符
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"""
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if suffix:
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return font_HTML_end
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text = f'<font face="{self.font_name}" color={self.color}'
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if self.font_size != default_style['font_size']:
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text += f' real_size={self.font_size}'
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text += '>'
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return text
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def HTML_bold(self, suffix: bool = False) -> str:
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"""
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输出字体粗体的HTML字符
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:return: HTML 格式字符
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"""
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if self.bold:
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if suffix:
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return bold_HTML_end
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return '<b>'
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else:
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return ''
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def HTML_italic(self, suffix: bool = False) -> str:
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"""
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输出字体斜体的HTML字符
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:return: HTML 格式字符
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"""
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if self.italic:
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if suffix:
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return italic_HTML_end
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return '<i>'
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else:
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return ''
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def HTML(self, suffix: bool = False) -> str:
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"""
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输出字体样式的HTML字符
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:return: HTML 格式字符
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"""
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if not suffix:
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return self.HTML_bold() + self.HTML_italic() + self.HTML_font()
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else:
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return font_HTML_end + (bold_HTML_end if self.bold else '') + (italic_HTML_end if self.italic else '')
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# [\u4e00-\u9fa5] 中文字符
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default_fonts_config = [
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{
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'match': re.compile(r'.'), # 匹配的字符 匹配选项是re.compile()
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'shown': re.compile(r'.'), # 匹配到的字符中显示的部分 匹配选项是re.compile()
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'style': SingleTextStyle(font_name=translate.鸿蒙简体, font_size=15, bold=False, italic=False, show=True, color='white'),
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},
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{
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'match': re.compile(r'[a-zA-Z0-9]'),
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'shown': re.compile(r'[a-zA-Z0-9]'),
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'style': SingleTextStyle(font_name=translate.微软等宽, font_size=15)
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},
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# Markdown 语法规则匹配
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{
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# Markdown 粗体语法规则匹配
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'match': re.compile(r'\*\*(.*?(?<!\s))\*\*'),
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'shown': re.compile(r'(?<=\*\*)(.*?(?<!\s))(?=\*\*)'),
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'tag': {
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# 为 match 匹配到的字符添加标签
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'match': re.compile(r'\*\*'),
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'style': SingleTextStyle(text_tag=['bold'])
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},
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'style': SingleTextStyle(bold=True)
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},
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{
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# Markdown 斜体语法规则匹配
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'match': re.compile(r'\*(.*?(?<!\s))\*'),
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'shown': re.compile(r'(?<=\*)(.*?(?<!\s))(?=\*)'),
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'ignore': {
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# 如果匹配到的字符含有 tag 就忽略本次解析
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'match': re.compile(r'\*'),
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'tag': SingleTextStyle(text_tag=['italic'])
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},
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'style': SingleTextStyle(italic=True)
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},
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{
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# Markdown 链接规则匹配
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# 注意：这里的匹配模式是非贪婪的，即匹配到的结果必须是完整的
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# 即：链接名称不能是空格等空白字符开头，链接名称不能是空格等空白字符结尾
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# 匹配的内容：[abc](def)
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# 显示的内容：abc
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'match': re.compile(r'\[(.*?(?<!\s))\]\((.*?(?<!\s))\)'),
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'shown': re.compile(r'(?<=\[)(.*?(?<!\s))(?=\]\((.*?(?<!\s))\))'),
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'style': SingleTextStyle(bold=True)
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}
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]
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font_HTML_end = '</font>'
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bold_HTML = '<b>'
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bold_HTML_end = '</b>'
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italic_HTML = '<i>'
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italic_HTML_end = '</i>'
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def decode_text2HTML(text: str,
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configs=None,
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show_style: bool = False) -> str:
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if text == '':
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return ''
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if configs is None:
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configs = default_fonts_config
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style_list = [SingleTextStyle(text=text[x]) for x in range(0, len(text))]
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# 根据输入的配置对每一个字符进行样式设定
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for config in configs:
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# 根据 配置"文件"
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match_texts = config['match'].finditer(text) # 使用 config.match 匹配
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for match_text in match_texts: # 每一个匹配到的匹配项
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text_match = match_text.group() # 缓存一下匹配到的字符，用于匹配显示的字符
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shown_texts = config['shown'].finditer(text_match) # 使用 config.shown 匹配
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match_start, match_end = match_text.span()
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if 'ignore' in config: # 如果样式选项包含忽略某些字符的tag
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ignore_texts = config['ignore']['match'].finditer(text_match) # 根据选项匹配可能忽略的字符
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ignore = False # 忽略先为False
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for ignore_text in ignore_texts: # 每一个可能忽略的字符
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if ignore: # 为了方便退出
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break
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for ignore_index in range(match_start + ignore_text.span()[0], match_start + ignore_text.span()[1]): # 对每一个可能的字符进行检测
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if style_list[ignore_index].have_tag(config['ignore']['tag']): # 如果确实包含要忽略的
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ignore = True # 忽略为True
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break
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if ignore:
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continue # 跳过本次匹配
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if 'tag' in config: # 如果样式选项包含对部分字符添加tag
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tag_texts = config['tag']['match'].finditer(text_match) # 根据配置的正则表达式匹配要添加tag的字符
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for tag_text in tag_texts: # 对每一个匹配到的~~~~~~
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for tag_index in range(match_start + tag_text.span()[0], match_start + tag_text.span()[1]): # 用于遍历匹配到的字符
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style_list[tag_index] += config['tag']['style']
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# 为匹配到的字符添加样式
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for match_index in range(match_start, match_end): # 用于遍历匹配到的字符
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# 这里用 match index 来精确读写列表里的元素，毕竟 re.Match 返回的 span 是两个标点，得遍历
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style_list[match_index] += config['style'] # 字体样式列表的 [match_index] += config['style'] 的样式
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style_list[match_index].show = show_style # 设置显示属性变为 False
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# 为每一个显示的字符设置显示属性
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for shown_text in shown_texts: # 每一个显示的匹配项
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for shown_index in range(match_start + shown_text.span()[0], match_start + shown_text.span()[1]):
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style_list[shown_index].show = True
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# 字体样式列表的 [shown_index] 设置显示属性变为 True
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# 开始根据配置好的样式输出HTML文本
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style_list[0].prefix += style_list[0].HTML() # 不管怎么说都要在最前面加一个字符标识
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for style_index in range(1, len(style_list)):
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if style_list[style_index].show: # 如果这个字符显示
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if not style_list[style_index - 1].show: # 如果前面一个字符不显示(且这个字符显示)
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style_list[style_index].prefix += style_list[style_index].HTML() # 那么就直接给这个字符的前缀添加
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else: # 开始根据前面的情况处理每种单独的标签
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if not style_list[style_index - 1].same_font(style_list[style_index]):
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style_list[style_index - 1].suffix += style_list[style_index - 1].HTML_font(suffix=True)
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style_list[style_index].prefix += style_list[style_index].HTML_font()
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if not style_list[style_index - 1].same_bold(style_list[style_index]):
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style_list[style_index - 1].suffix += style_list[style_index - 1].HTML_bold(suffix=True)
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style_list[style_index].prefix += style_list[style_index].HTML_bold()
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if not style_list[style_index - 1].same_italic(style_list[style_index]):
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style_list[style_index - 1].suffix += style_list[style_index - 1].HTML_italic(suffix=True)
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style_list[style_index].prefix += style_list[style_index].HTML_italic()
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else: # 如果这个字符不显示
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if style_list[style_index - 1].show: # 如果前面一个字符显示(且这个字符不显示)
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style_list[style_index - 1].suffix += style_list[style_index - 1].HTML(suffix=True)
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# 如果前面一个字符也不显示那就直接 pass
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if style_list[-1].show:
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style_list[-1].suffix += style_list[-1].HTML(suffix=True)
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# 输出最终的 HTML 文本
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formatted_HTML_text = '' # 初始化一下
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for style in style_list: # 每一个样式
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if style.show: # 如果这个字符显示
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formatted_HTML_text += style.prefix + style.text + style.suffix # 文本的后面附加一下
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del style_list # 主动删掉 style_list 释放内存
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print(formatted_HTML_text)
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return formatted_HTML_text # 返回，DONE！
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