#!/usr/bin/env python
# -- coding: utf-8 --
# @Time : 2018/3/5 13:55
# @Author : likewind
# @mail : likewind1993@163.com
# @File : countLines.py
# @Software: sky-studio.cn
import os
'''
返回每個(gè)文件行數(shù)，其中行數(shù)不包括以“#”開頭的包含文件，宏定義等，
排除了c,cpp文件中的“//”, “/*...*/”等的注釋，
排除了python文件中import, from 等開頭的導(dǎo)入
'''

def get_lines(file_name):
 f = open(file_name)
 #flag用于處理c,cpp中“/*...*/”多行注釋
 flag = False
 count = 0
 while True:
 #讀取文件并去除開頭的空格，制表符
 line = f.readline()
 line = line.lstrip(' \t')
 if not line:
  break
 #如果該行有“#”， “import”等打頭的字符，忽略該行
 if flag == False:
  if line[0:1] == "#" or line[0:6] == "import" or line[0:4] == "from" or line == "\n" or line[0:2] == "http://":
  continue
 #如果該行存在“/*”并且不存在“*/”,表明多行注釋未在一行結(jié)束，flag=True
 if line.find("/*") != -1 :
  if line.find("*/") != -1:
  continue
  else:
  flag = True
  continue
 #如果flag=True，表明處于多行注釋中，判斷是否有“*/”結(jié)尾
 if flag == True :
  if line.find("*/") != -1:
  flag = False
  if line[-2:] != "*/":
   count = count+1
  continue
 #排除以上條件后，行數(shù)增加一
 count = count+1
 f.close()
 return count
'''
計(jì)算該文件目錄下所有符合條件的行數(shù)
'''
def count_lines(file_dir):
 #total_lines表示總行數(shù)，file_nums表示總文件數(shù)
 total_lines = 0
 file_nums = 0
 for root, dirs, files in os.walk(file_dir):
 for file in files:
  #不計(jì)算本文件的行數(shù)
  if file == "countLines.py":
  continue
  #只計(jì)算規(guī)范命名文件, 如[文件名.文件類型]
  file_type = file.split('.')
  if len(file_type) > 1 :
  #如果想計(jì)算其他類型的文件，可以在這里進(jìn)行修改
  if file_type[1] not in ["py", "c", "cc", "cpp", "h"]:
   continue
  else:
  continue
  file_name = root +"\\" + file
  lines = get_lines(file_name)
  total_lines = total_lines + lines
  print file_name + " contains lines : " + repr(lines)
  file_nums = file_nums + 1
 #輸出結(jié)果
 print "------------------------------------"
 print "Total Files : " + repr(file_nums)
 print "Total lines : " + repr(total_lines)
 print "------------------------------------"

if __name__ == '__main__':
 cur_path = os.path.split(os.path.realpath(__file__))[0]
 count_lines(cur_path)
 raw_input("Press any key to exit...")