class LatexFromTemplate:
""" LatexDoc类用来创建、操作latex文档，生成pdf文档
"""
def __init__(self,tex_template,replace_word=None):
self.__doc = None
self._read_from_file(tex_template,replace_word)
def _read_from_file(self,tex_file,replace_word=None):
""" 从latex模板中读取，然后打包到self.doc中
:param str tex_file: .tex文件
:return: 无返回值
"""
if replace_word is None:
replace_word = dict()
begin_document_sign = False
with open(tex_file,'r',encoding='utf8') as fp:
for line in fp:
line_no_space = re.sub('\n','',line)
if re.match('^\s+$',line_no_space) is None:
#print(line_no_space)
if replace_word is not None:
for keyword in replace_word:
if re.search(keyword,line_no_space) is not None:
line_no_space = re.sub(keyword,replace_word[keyword],line_no_space)
if re.match('^\\\\documentclass',line_no_space) is not None:
self.__doc = LatexDoc(documentclass=self.parse_brackets(line_no_space,'\{','\}')[0],
options=self.parse_brackets(line_no_space))
continue
if re.match('\\\\begin\{document\}',line_no_space) is not None:
begin_document_sign = True
continue
if re.match('\\\\end\{document\}',line_no_space) is not None:
continue
if begin_document_sign:
self.__doc.append(line_no_space)
else:
self.__doc.preamble_append(line_no_space)
@property
def document(self):
return self.__doc
@classmethod
def parse_brackets(cls,string,first_special_character='\[',second_special_character='\]'):
if re.search(''.join([first_special_character,'*',second_special_character]),string) is not None:
return re.split(',',re.split(second_special_character,
re.split(first_special_character,string)[1])[0])
else:
return None
def _read_from_file(self,tex_file,replace_word=None):
""" 从latex模板中读取，然后打包到self.doc中
:param str tex_file: .tex文件
:return: 无返回值
"""
if replace_word is None:
replace_word = dict()
begin_document_sign = False
with open(tex_file,'r',encoding='utf8') as fp:
for line in fp:
line_no_space = re.sub('\n','',line)
if re.match('^\s+$',line_no_space) is None:
#print(line_no_space)
if replace_word is not None:
for keyword in replace_word:
if re.search(keyword,line_no_space) is not None:
line_no_space = re.sub(keyword,replace_word[keyword],line_no_space)
if re.match('^\\\\documentclass',line_no_space) is not None:
self.__doc = LatexDoc(documentclass=self.parse_brackets(line_no_space,'\{','\}')[0],
options=self.parse_brackets(line_no_space))
continue
if re.match('\\\\begin\{document\}',line_no_space) is not None:
begin_document_sign = True
continue
if re.match('\\\\end\{document\}',line_no_space) is not None:
continue
if begin_document_sign:
self.__doc.append(line_no_space)
else:
self.__doc.preamble_append(line_no_space)
