script/fontparser.py

   1 # -*- coding: utf-8 -*-
   2
   3 # Author: mshio <mshio@users.sourceforge.jp>
   4
   5 __version__ = '0.11'
   6
   7 import fontforge
   8 from types import MethodType
   9
  10
  11 class FontParser:
  12     """
  13     An object in order to parse the characters in the specified font.
  14     """
  15     def __init__(self, font_path):
  16         self.forge = fontforge.open(font_path)
  17
  18     def parse(self, method):
  19         self.proc = MethodType(method, self, FontParser)
  20         f = self.forge
  21         for g in f:
  22             if g[0] != '.' and f[g].unicode > 0:
  23                 self.proc(f[g])
  24
  25 class FontDiffParser:
  26     def __init__(self, old_font_path, new_font_path):
  27         self.font_path = [old_font_path, new_font_path]
  28
  29     def get_diff(self):
  30         buf = []
  31         old = fontforge.open(self.font_path[0])
  32
  33         def collect(self, glyph_obj):
  34             if glyph_obj.glyphname not in old:
  35                 buf.append(glyph_obj.unicode)
  36
  37         FontParser(self.font_path[1]).parse(collect)
  38
  39         return buf
  40
  41 class KanjiParser:
  42     def __init__(self, font_path):
  43         self.font_path = font_path
  44
  45     def get_list(self):
  46         buf = []
  47
  48         def collect(self, glyph):
  49             code = glyph.unicode
  50             # roughly
  51             if code >= 0x4e00 and code <= 0x9fff:
  52               buf.append(code)
  53
  54         FontParser(self.font_path).parse(collect)
  55
  56         return buf
  57