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47 lines
1.1 KiB
47 lines
1.1 KiB
class Document:
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def __init__(self):
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self.characters = []
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self.cursor = Cursor(self)
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self.filename = ""
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def insert(self, character):
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self.characters.insert(self.cursor.position, character)
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self.cursor.forward()
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def delete(self):
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del self.characters[self.cursor.position]
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def save(self):
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f = open(self.filename, "w")
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f.write("".join(self.characters))
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f.close()
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@property
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def string(self):
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return "".join(self.characters)
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class Cursor:
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def __init__(self, document):
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self.document = document
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self.position = 0
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def forward(self):
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self.position += 1
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def back(self):
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self.position -= 1
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def home(self):
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while self.document.characters[self.position - 1] != "\n":
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self.position -= 1
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if self.position == 0:
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# got to beginning of file before newline
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break
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def end(self):
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while (self.position < len(self.document.characters) and
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self.document.characters[self.position] != "\n"):
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self.position += 1
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