aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/python/prompt-toolkit/py2/prompt_toolkit/styles/utils.py
blob: 75982af3abab16cb9dbb429a5eb72a8096e59331 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
from __future__ import unicode_literals 
from .base import DEFAULT_ATTRS, Attrs 
 
__all__ = ( 
    'split_token_in_parts', 
    'merge_attrs', 
) 
 
 
def split_token_in_parts(token): 
    """ 
    Take a Token, and turn it in a list of tokens, by splitting 
    it on ':' (taking that as a separator.) 
    """ 
    result = [] 
    current = [] 
    for part in token + (':', ): 
        if part == ':': 
            if current: 
                result.append(tuple(current)) 
                current = [] 
        else: 
            current.append(part) 
 
    return result 
 
 
def merge_attrs(list_of_attrs): 
    """ 
    Take a list of :class:`.Attrs` instances and merge them into one. 
    Every `Attr` in the list can override the styling of the previous one. 
    """ 
    result = DEFAULT_ATTRS 
 
    for attr in list_of_attrs: 
        result = Attrs( 
            color=attr.color or result.color, 
            bgcolor=attr.bgcolor or result.bgcolor, 
            bold=attr.bold or result.bold, 
            underline=attr.underline or result.underline, 
            italic=attr.italic or result.italic, 
            blink=attr.blink or result.blink, 
            reverse=attr.reverse or result.reverse) 
 
    return result