Parser of berki style problems and generator of latex file
Samo Penic
2018-11-03 c9c8d5997209b1f00b25a6bc2b7fa2b3fb186640
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
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
# from .Problem import Problem
from .Generators import VariableGeneratorFactory
 
 
class BerkiParse:
    def __init__(self, text=None):
        self.text = text.split("\n")
        self.introduction = None
        self.picture=None
        self.parsedPicture=None
        self.subproblems = []
        self.solutions = None
        self.parsedSolutions = None
        self.variables = []
        self.parsedVariables = None
        self.variableGenerator = None
        self._Error = []
        self._Warning = []
        self._Info = []
 
    def findStartEndMarkers(self, marker):
        start = -1
        end = -1
        for i, l in enumerate(self.text):
            if l.strip("\n\r") == "#Start" + marker:
                start = i + 1
            if l.strip("\n\r") == "#End" + marker:
                end = i
            if start >= 0 and end >= 0:
                yield (start, end)
                start = -1
                end = -1
 
    def findIntroduction(self):
        gen = self.findStartEndMarkers("Uvod")
        try:
            (start, end) = next(gen)
        except StopIteration:
            return None
        return "\n".join(self.text[start:end])
 
    def findVariables(self):
        gen = self.findStartEndMarkers("Skalar")
        varlist = []
        for start, end in gen:
            varlist.append("\n".join(self.text[start:end]))
        return varlist
 
    def findSubproblems(self):
        gen = self.findStartEndMarkers("Podnaloga")
        varlist = []
        for start, end in gen:
            varlist.append("\n".join(self.text[start:end]))
        return varlist
 
    def findSolutions(self):
        gen = self.findStartEndMarkers("Rezultat")
        varlist = []
        for start, end in gen:
            varlist.append("\n".join(self.text[start:end]))
        return varlist
 
    def findPicture(self):
        gen = self.findStartEndMarkers("Pic")
        varlist = []
        for stat, end in gen:
            varlist.append("\n".join(self.text[start:end]))
        return varlist
 
    def parseSections(self):
        self.introduction = self.findIntroduction()
        self.subproblems = self.findSubproblems()
        self.solutions = self.findSolutions()
        self.parsedSolutions = self.parseSolutions()
        self.variables = self.findVariables()
        self.parsedVariables = self.parseVariables()
        self.variableGenerator = self.prepareGenerators()
        self.picture = self.findPicture()
        self.parsedPicture = self.parsePicture()
 
    def parsePicture(self):
        parsedPictures = []
        for p in self.picture:
            retval = {"filename": [], "size:": [], "position": []}
            for r in p.split("\n"):
                sp = r.split(":")
                if sp[0].strip("\n\t'") == "ime":
                    retval["filename"].append(sp[1].strip("\n\t"))
                elif sp[0].strip("\n\t'") == "sirina":
                    retval["size"].append(sp[1].strip("\n\t"))
                elif sp[0].strip("\n\t'") == "polozaj":
                    retval["position"].append(sp[1].strip("\n\t"))
            parsedPictures.append(retval)
        return parsedPictures
 
    def parseSolutions(self):
        parsedSolutions = []
        for s in self.solutions:
            retval = {
                "correct": [],
                "wrong": [],
                "glyph": None,
                "type": None,
                "unit": None,
            }
            for r in s.split("\n"):
                sp = r.split(":")
                if sp[0].strip("\n\t'") == "formula":
                    retval["correct"].append(sp[1].strip("\n\t"))
                elif sp[0].strip() == "napacna":
                    retval["wrong"].append(sp[1].strip("\n\t"))
                elif sp[0].strip() == "izpis":
                    retval["type"] = sp[1].strip("\n\t'")
                elif sp[0].strip() == "enota":
                    retval["unit"] = sp[1].strip("\n\t")
                elif sp[0].strip() == "TeX":
                    retval["glyph"] = sp[1].strip("\n\t")
            parsedSolutions.append(retval)
        return parsedSolutions
 
    def parseVariables(self):
        parsedVariables = {}
        for v in self.variables:
            retval = {
                "name": None,
                "type": None,
                "generator_type": None,
                "generator": None,
            }
            for r in v.split("\n"):
                sp = r.split(":")
                if sp[0].strip("\n\t'") == "ime":
                    name = sp[1].strip("\n\t'")
                    retval["name"] = name
                elif sp[0].strip("\n\t'") == "izpis":
                    retval["type"] = sp[1].strip("\n\t'")
                elif sp[0].strip("\n\t'") == "nacin":
                    retval["generator_type"] = sp[1].strip("\n\t'")
            parsedVariables[name] = retval
        return parsedVariables
 
    def prepareGenerators(self):
        variableGenerator = {}
        for key, value in self.parsedVariables.items():
            variableGenerator[key] = VariableGeneratorFactory.get_generator(
                value["generator_type"]
            )
        return variableGenerator
 
    def get_parsed_sections(self):
        return (
            self.introduction,
            self.parsedPicture,
            self.subproblems,
            self.parsedVariables,
            self.parsedSolutions,
            self.variableGenerator,
        )