|
1
|
|
|
#!/usr/bin/env python |
|
2
|
|
|
|
|
3
|
|
|
""" |
|
4
|
|
|
Pandoc filter for adding beamer block on specific div. |
|
5
|
|
|
""" |
|
6
|
|
|
|
|
7
|
|
|
from panflute import Div, Doc, Element, RawBlock, convert_text, run_filter |
|
8
|
|
|
|
|
9
|
|
|
|
|
10
|
|
|
def prepare(doc: Doc): |
|
11
|
|
|
""" |
|
12
|
|
|
Prepare the document. |
|
13
|
|
|
|
|
14
|
|
|
Arguments |
|
15
|
|
|
--------- |
|
16
|
|
|
doc |
|
17
|
|
|
The pandoc document |
|
18
|
|
|
""" |
|
19
|
|
|
# Prepare the definitions |
|
20
|
|
|
doc.defined = [] |
|
21
|
|
|
|
|
22
|
|
|
# Get the meta data |
|
23
|
|
|
meta = doc.get_metadata("pandoc-beamer-block") |
|
24
|
|
|
|
|
25
|
|
|
if isinstance(meta, list): |
|
26
|
|
|
# Loop on all definitions |
|
27
|
|
|
for definition in meta: |
|
28
|
|
|
# Verify the definition |
|
29
|
|
|
if ( |
|
30
|
|
|
isinstance(definition, dict) |
|
31
|
|
|
and "classes" in definition |
|
32
|
|
|
and isinstance(definition["classes"], list) |
|
33
|
|
|
): |
|
34
|
|
|
definition["classes"] = frozenset(definition["classes"]) |
|
35
|
|
|
definition["type"] = definition.get("type", "info") |
|
36
|
|
|
doc.defined.append(definition) |
|
37
|
|
|
|
|
38
|
|
|
|
|
39
|
|
|
def latex( |
|
40
|
|
|
elem: Element, environment: str, title: str, optional: bool = False |
|
41
|
|
|
) -> list[Element]: |
|
42
|
|
|
""" |
|
43
|
|
|
Generate the LaTeX code. |
|
44
|
|
|
|
|
45
|
|
|
Arguments |
|
46
|
|
|
--------- |
|
47
|
|
|
elem |
|
48
|
|
|
The current element |
|
49
|
|
|
|
|
50
|
|
|
environment |
|
51
|
|
|
The environment to add |
|
52
|
|
|
|
|
53
|
|
|
title |
|
54
|
|
|
The environment title |
|
55
|
|
|
|
|
56
|
|
|
optional |
|
57
|
|
|
The title optionality |
|
58
|
|
|
|
|
59
|
|
|
Returns |
|
60
|
|
|
------- |
|
61
|
|
|
list[Element] |
|
62
|
|
|
A list of pandoc elements. |
|
63
|
|
|
""" |
|
64
|
|
|
if optional: |
|
65
|
|
|
if title: |
|
66
|
|
|
return [ |
|
67
|
|
|
RawBlock(f"\\begin{{{environment}}}[{title}]", "tex"), |
|
68
|
|
|
elem, |
|
69
|
|
|
RawBlock(f"\\end{{{environment}}}", "tex"), |
|
70
|
|
|
] |
|
71
|
|
|
return [ |
|
72
|
|
|
RawBlock(f"\\begin{{{environment}}}", "tex"), |
|
73
|
|
|
elem, |
|
74
|
|
|
RawBlock(f"\\end{{{environment}}}", "tex"), |
|
75
|
|
|
] |
|
76
|
|
|
return [ |
|
77
|
|
|
RawBlock(f"\\begin{{{environment}}}{{{title}}}", "tex"), |
|
78
|
|
|
elem, |
|
79
|
|
|
RawBlock(f"\\end{{{environment}}}", "tex"), |
|
80
|
|
|
] |
|
81
|
|
|
|
|
82
|
|
|
|
|
83
|
|
|
# pylint: disable=too-many-return-statements |
|
84
|
|
|
def block(elem: Element, doc: Doc) -> list[Element] | None: |
|
85
|
|
|
""" |
|
86
|
|
|
Transform div element. |
|
87
|
|
|
|
|
88
|
|
|
Arguments |
|
89
|
|
|
--------- |
|
90
|
|
|
elem |
|
91
|
|
|
current element |
|
92
|
|
|
doc |
|
93
|
|
|
pandoc document |
|
94
|
|
|
|
|
95
|
|
|
Returns |
|
96
|
|
|
------- |
|
97
|
|
|
list[Element] | None |
|
98
|
|
|
A list of pandoc elements or None. |
|
99
|
|
|
""" |
|
100
|
|
|
if doc.format == "beamer" and isinstance(elem, Div): |
|
101
|
|
|
classes = frozenset(elem.classes) |
|
102
|
|
|
|
|
103
|
|
|
# Loop on all fontsize definition |
|
104
|
|
|
for definition in doc.defined: |
|
105
|
|
|
# Are the classes correct? |
|
106
|
|
|
if classes >= definition["classes"]: |
|
107
|
|
|
if "title" in elem.attributes: |
|
108
|
|
|
title = convert_text( |
|
109
|
|
|
elem.attributes["title"], |
|
110
|
|
|
output_format="latex", |
|
111
|
|
|
) |
|
112
|
|
|
else: |
|
113
|
|
|
title = "" |
|
114
|
|
|
|
|
115
|
|
|
if definition["type"] == "alert": |
|
116
|
|
|
return latex(elem, "alertblock", title) |
|
117
|
|
|
if definition["type"] == "example": |
|
118
|
|
|
return latex(elem, "exampleblock", title) |
|
119
|
|
|
if definition["type"] in ( |
|
120
|
|
|
"theorem", |
|
121
|
|
|
"proof", |
|
122
|
|
|
"corollary", |
|
123
|
|
|
"definition", |
|
124
|
|
|
"lemma", |
|
125
|
|
|
"fact", |
|
126
|
|
|
): |
|
127
|
|
|
return latex(elem, definition["type"], title, True) |
|
128
|
|
|
return latex(elem, "block", title) |
|
129
|
|
|
return None |
|
130
|
|
|
|
|
131
|
|
|
|
|
132
|
|
|
def main(doc: Doc | None = None) -> Doc: |
|
133
|
|
|
""" |
|
134
|
|
|
Convert the pandoc document. |
|
135
|
|
|
|
|
136
|
|
|
Arguments |
|
137
|
|
|
--------- |
|
138
|
|
|
doc |
|
139
|
|
|
pandoc document |
|
140
|
|
|
|
|
141
|
|
|
Returns |
|
142
|
|
|
------- |
|
143
|
|
|
Doc |
|
144
|
|
|
The modified pandoc document. |
|
145
|
|
|
""" |
|
146
|
|
|
return run_filter(block, doc=doc, prepare=prepare) |
|
147
|
|
|
|
|
148
|
|
|
|
|
149
|
|
|
if __name__ == "__main__": |
|
150
|
|
|
main() |
|
151
|
|
|
|
chdemko /
pandoc-beamer-block
