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locate_and_align.py
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locate_and_align.py
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import json, os, sys
path = sys.argv[1]
funcInfo = [] #(filename, lineStart, lineEnd)
f = open(path+'cpg_a.txt')
results = f.read()
f.close()
resultList = json.loads(results)
for item in resultList:
if '_1' in item.keys() and '_2' in item.keys() \
and '_3' in item.keys() and '_4' in item.keys():
i = item['_2'].rfind('/a/')
funcInfo.append((item['_2'][i:], item['_3'], item['_4']))
f = open(path+'cpg_b.txt')
results = f.read()
f.close()
resultList = json.loads(results)
for item in resultList:
if '_1' in item.keys() and '_2' in item.keys() \
and '_3' in item.keys() and '_4' in item.keys():
i = item['_2'].rfind('/b/')
funcInfo.append((item['_2'][i:], item['_3'], item['_4']))
os.system('rm '+path+'diff.txt')
os.system('diff -brN -U 0 -p '+path+'a/ '+path+'b/ >> '+path+'diff.txt')
f = open(path+'diff.txt')
hunkInfo = [] #(filename, lineStart, lineEnd)
filename1 = ''
filename2 = ''
while 1:
line = f.readline()
if not line: break
#print(line)
if line[:len('diff -brN')] == 'diff -brN':
filename1 = line.split()[-2]
filename2 = line.split()[-1]
filename1 = filename1[filename1.find('/a/'):]
filename2 = filename2[filename2.find('/b/'):]
elif line.count('@') == 4:
i = line.find('@@ ')
j = line.find(' @@')
info = line[i+3:j]
i = info.find(' ')
info_a = info[:i]
info_b = info[i+1:]
i = info_a.find(',')
if i < 0:
hunkInfo.append((filename1,int(info_a[1:]),int(info_a[1:])))
else:
if int(info_a[i+1:]) > 0:
hunkInfo.append((filename1,int(info_a[1:i]),int(info_a[1:i])+int(info_a[i+1:])-1))
else:
hunkInfo.append((filename1,int(info_a[1:i]),0))
i = info_b.find(',')
if i < 0:
hunkInfo.append((filename2,int(info_b[1:]),int(info_b[1:])))
else:
if int(info_b[i+1:]) > 0:
hunkInfo.append((filename2,int(info_b[1:i]),int(info_b[1:i])+int(info_b[i+1:])-1))
else:
hunkInfo.append((filename2,int(info_b[1:i]),0))
f.close()
#print(hunkInfo)
locate_flag = [0 for i in range(len(funcInfo))]
align_flag = [0 for i in range(len(hunkInfo))]
for i in range(len(funcInfo)):
for j in range(len(hunkInfo)):
if funcInfo[i][0] == hunkInfo[j][0]:
if (hunkInfo[j][2] != 0 and max(funcInfo[i][1], hunkInfo[j][1]) <= min(funcInfo[i][2], hunkInfo[j][2]))\
or (hunkInfo[j][2] == 0 and funcInfo[i][1] <= hunkInfo[j][1] and hunkInfo[j][1] <= funcInfo[i][2]):
locate_flag[i] = 1
align_flag[j] = 1
filename = []
fileContent = []
files = os.listdir(path+'a/')
for file in files:
if file in ['.DS_store', '.DS_Store']: continue
f = open(path+'a/'+file)
filename.append('/a/'+file)
lines = ['']
while 1:
line = f.readline()
if not line: break
lines.append(line)
f.close()
fileContent.append(lines)
files = os.listdir(path+'b/')
for file in files:
if file in ['.DS_store', '.DS_Store']: continue
f = open(path+'b/'+file)
filename.append('/b/'+file)
lines = ['']
while 1:
line = f.readline()
if not line: break
lines.append(line)
f.close()
fileContent.append(lines)
for i in range(len(locate_flag)):
if locate_flag[i] == 0:
idx = filename.index(funcInfo[i][0])
for j in range(funcInfo[i][1], funcInfo[i][2]+1):
fileContent[idx][j] = '\n'
for i in range(0, len(hunkInfo), 2):
# if align_flag[i] == 1 or align_flag[i+1] == 1:
# print(hunkInfo[i], hunkInfo[i+1])
if hunkInfo[i][2] == 0:
if hunkInfo[i][0] not in filename:
filename.append(hunkInfo[i][0])
suffix = '\n'*(hunkInfo[i+1][2]-hunkInfo[i+1][1]+1)
fileContent.append(suffix)
else:
idx = filename.index(hunkInfo[i][0])
suffix = '\n'*(hunkInfo[i+1][2]-hunkInfo[i+1][1]+1)
fileContent[idx][hunkInfo[i][1]] = fileContent[idx][hunkInfo[i][1]] + suffix
elif hunkInfo[i+1][2] == 0:
if hunkInfo[i+1][0] not in filename:
filename.append(hunkInfo[i+1][0])
suffix = '\n'*(hunkInfo[i][2]-hunkInfo[i][1]+1)
fileContent.append(suffix)
else:
idx = filename.index(hunkInfo[i+1][0])
suffix = '\n'*(hunkInfo[i][2]-hunkInfo[i][1]+1)
fileContent[idx][hunkInfo[i+1][1]] = fileContent[idx][hunkInfo[i+1][1]] + suffix
else:
gap = (hunkInfo[i][2]-hunkInfo[i][1]) - (hunkInfo[i+1][2]-hunkInfo[i+1][1])
#print(gap)
if gap < 0:
idx = filename.index(hunkInfo[i][0])
suffix = '\n'*(-gap)
fileContent[idx][hunkInfo[i][2]] = fileContent[idx][hunkInfo[i][2]] + suffix
elif gap > 0:
idx = filename.index(hunkInfo[i+1][0])
suffix = '\n'*(gap)
fileContent[idx][hunkInfo[i+1][2]] = fileContent[idx][hunkInfo[i+1][2]] + suffix
for i in range(len(filename)):
os.system('rm '+path[:-1]+filename[i])
f = open(path[:-1]+filename[i], 'a+')
for line in fileContent[i]:
f.write(line)
f.close()