# Path: chemdataextractor/text/latex.py
# def latex_to_unicode(text, capitalize=False):
#     """Replace LaTeX entities with the equivalent unicode and optionally capitalize.
# 
#     :param text: The LaTeX string to be converted
#     :param capitalize: Can be 'sentence', 'name', 'title', 'upper', 'lower'
#     """
#     if capitalize:
#         res = []
#         brac_count = 0
#         for i, c in enumerate(text):
#             if c == '{':
#                 brac_count += 1
#             if c == '}':
#                 brac_count -= 1
#             if brac_count > 0:
#                 res.append(c)
#             elif capitalize == 'upper' or (i == 0 and not capitalize == 'lower'):
#                 res.append(c.upper())
#             elif capitalize == 'sentence' and (i > 2 and text[i - 1] == ' ' and text[i - 2] == '.'):
#                 res.append(c.upper())
#             elif (capitalize == 'name' and text[i - 1] in [' ', '-']) or (capitalize == 'title' and text[i - 1] == ' '):
#                 nextword = text[i:].split(' ', 1)[0].rstrip(string.punctuation)
#                 nextword = nextword[:1].lower() + nextword[1:] if text else ''
#                 if capitalize == 'name' and nextword in NAME_SMALL:
#                     res.append(c.lower())
#                 elif capitalize == 'title' and nextword in SMALL:
#                     res.append(c.lower())
#                 else:
#                     res.append(c.upper())
#             elif capitalize == 'name' and c == c.upper():
#                 n1 = text[i - 1] if i > 0 else None
#                 n2 = text[i - 2] if i > 1 else None
#                 n3 = text[i - 3] if i > 2 else None
#                 n4 = text[i - 4] if i > 3 else None
#                 if n2 == 'M' and n1 == 'c' and (not n3 or n3 == ' '):
#                     res.append(c)  # McCartney
#                 elif n2 == 'O' and n1 == '\'' and (not n3 or n3 == ' '):
#                     res.append(c)  # O'Boyle
#                 elif n3 == 'M' and n2 == 'a' and n1 == 'c' and (not n4 or n4 == ' '):
#                     res.append(c)  # MacGarry
#                 else:
#                     res.append(c.lower())
#             else:
#                 res.append(c.lower())
#         text = ''.join(res)
#     if any(i in text for i in ['\\', '{', '}', '$', '&', '%', '#', '_']):
#         for k, v in six.iteritems(LATEX_MAPPINGS):
#             text = text.replace(k, v)
#         for k, v in six.iteritems(LATEX_SUB_MAPPINGS):
#             text = text.replace(k, v)
#         for mod in ['mathbb', 'mathbf', 'mathbit', 'mathfrak', 'mathrm', 'mathscr', 'mathsf', 'mathsfbf', 'mathsfbfsl', 
#                     'mathsfsl', 'mathsl', 'mathslbb', 'mathtt']:
#             text = re.sub(r'\\%s\{([\\\w]+)\}' % mod, r'\1', text)
#         for k, v in six.iteritems(LATEX_SUB_SUB_MAPPINGS):
#             text = text.replace(k, v)
#         for k, v in six.iteritems(LATEX_COMBINING_CHARS):
#             text = re.sub(r'%s\{?(\w)\}?' % k, r'\1%s' % v, text)
#         text = re.sub(r'\\noopsort\{.*?\}', r'', text)
#         text = re.sub(r'\\path\|(.*?)\|', r'\1', text)
#         text = re.sub(r'(?<!\\)[{}$]', r'', text)
#         text = re.sub(r'\\([{}$&_])', r'\1', text)
#     return text


from collections import OrderedDict
from ..text.latex import latex_to_unicode
import json
import re
                        break
                    else:
                        val.append(t)
            elif t == '{':
                brac_counter = 0
                while True:
                    t = self._next_token(skipws=False)
                    if t == '{':
                        brac_counter += 1
                    if t == '}':
                        brac_counter -= 1
                    if brac_counter < 0:
                        break
                    else:
                        val.append(t)
            elif re.match(r'\w', t):
                val.extend([self.definitions.get(t, t), ' '])
            elif t.isdigit():
                val.append([t, ' '])
            elif t == '#':
                pass
            else:
                break

        value = ' '.join(''.join(val).split())
        return value

    @classmethod
    def parse_names(cls, names):
        """Parse a string of names separated by "and" like in a BibTeX authors field."""

# Path: chemdataextractor/text/latex.py
# def latex_to_unicode(text, capitalize=False):
#     """Replace LaTeX entities with the equivalent unicode and optionally capitalize.
# 
#     :param text: The LaTeX string to be converted
#     :param capitalize: Can be 'sentence', 'name', 'title', 'upper', 'lower'
#     """
#     if capitalize:
#         res = []
#         brac_count = 0
#         for i, c in enumerate(text):
#             if c == '{':
#                 brac_count += 1
#             if c == '}':
#                 brac_count -= 1
#             if brac_count > 0:
#                 res.append(c)
#             elif capitalize == 'upper' or (i == 0 and not capitalize == 'lower'):
#                 res.append(c.upper())
#             elif capitalize == 'sentence' and (i > 2 and text[i - 1] == ' ' and text[i - 2] == '.'):
#                 res.append(c.upper())
#             elif (capitalize == 'name' and text[i - 1] in [' ', '-']) or (capitalize == 'title' and text[i - 1] == ' '):
#                 nextword = text[i:].split(' ', 1)[0].rstrip(string.punctuation)
#                 nextword = nextword[:1].lower() + nextword[1:] if text else ''
#                 if capitalize == 'name' and nextword in NAME_SMALL:
#                     res.append(c.lower())
#                 elif capitalize == 'title' and nextword in SMALL:
#                     res.append(c.lower())
#                 else:
#                     res.append(c.upper())
#             elif capitalize == 'name' and c == c.upper():
#                 n1 = text[i - 1] if i > 0 else None
#                 n2 = text[i - 2] if i > 1 else None
#                 n3 = text[i - 3] if i > 2 else None
#                 n4 = text[i - 4] if i > 3 else None
#                 if n2 == 'M' and n1 == 'c' and (not n3 or n3 == ' '):
#                     res.append(c)  # McCartney
#                 elif n2 == 'O' and n1 == '\'' and (not n3 or n3 == ' '):
#                     res.append(c)  # O'Boyle
#                 elif n3 == 'M' and n2 == 'a' and n1 == 'c' and (not n4 or n4 == ' '):
#                     res.append(c)  # MacGarry
#                 else:
#                     res.append(c.lower())
#             else:
#                 res.append(c.lower())
#         text = ''.join(res)
#     if any(i in text for i in ['\\', '{', '}', '$', '&', '%', '#', '_']):
#         for k, v in six.iteritems(LATEX_MAPPINGS):
#             text = text.replace(k, v)
#         for k, v in six.iteritems(LATEX_SUB_MAPPINGS):
#             text = text.replace(k, v)
#         for mod in ['mathbb', 'mathbf', 'mathbit', 'mathfrak', 'mathrm', 'mathscr', 'mathsf', 'mathsfbf', 'mathsfbfsl', 
#                     'mathsfsl', 'mathsl', 'mathslbb', 'mathtt']:
#             text = re.sub(r'\\%s\{([\\\w]+)\}' % mod, r'\1', text)
#         for k, v in six.iteritems(LATEX_SUB_SUB_MAPPINGS):
#             text = text.replace(k, v)
#         for k, v in six.iteritems(LATEX_COMBINING_CHARS):
#             text = re.sub(r'%s\{?(\w)\}?' % k, r'\1%s' % v, text)
#         text = re.sub(r'\\noopsort\{.*?\}', r'', text)
#         text = re.sub(r'\\path\|(.*?)\|', r'\1', text)
#         text = re.sub(r'(?<!\\)[{}$]', r'', text)
#         text = re.sub(r'\\([{}$&_])', r'\1', text)
#     return text


# Path: chemdataextractor/biblio/bibtex.py
from collections import OrderedDict
from ..text.latex import latex_to_unicode
import json
import re

                        break
                    else:
                        val.append(t)
            elif t == '{':
                brac_counter = 0
                while True:
                    t = self._next_token(skipws=False)
                    if t == '{':
                        brac_counter += 1
                    if t == '}':
                        brac_counter -= 1
                    if brac_counter < 0:
                        break
                    else:
                        val.append(t)
            elif re.match(r'\w', t):
                val.extend([self.definitions.get(t, t), ' '])
            elif t.isdigit():
                val.append([t, ' '])
            elif t == '#':
                pass
            else:
                break

        value = ' '.join(''.join(val).split())
        return value

    @classmethod
    def parse_names(cls, names):
        """Parse a string of names separated by "and" like in a BibTeX authors field."""

        names = [latex_to_unicode(n) for n in re.split(r'\sand\s(?=[^{}]*(?:\{|$))', names) if n]