harfbuzz/util/hb-diff

71 lines
1.5 KiB
Python
Executable File

#!/usr/bin/python
import sys, re, difflib, os
red_color = green_color = end_color = ""
if "--color" in sys.argv or os.isatty (sys.stdout.fileno ()):
if "--color" in sys.argv:
sys.argv.remove ("--color")
red_color = '\033[41;37;1m'
green_color = '\033[42;37;1m'
end_color = '\033[m'
def fancy_diff (l1, l2):
ss = [re.sub ('([A-Za-z0-9_]*)([^A-Za-z0-9_]?)', r'\1\n\2\n', l).splitlines (True) for l in (l1, l2)]
oo = ["",""]
st = [False, False]
for l in difflib.Differ().compare (*ss):
if l[0] == '?':
continue
if l[0] == ' ':
for i in range(2):
if st[i]:
oo[i] += end_color
st[i] = False
oo = [o + l[2:] for o in oo]
continue
if l[0] == '-':
if not st[0]:
oo[0] += red_color
st[0] = True
oo[0] += l[2:]
continue
if l[0] == '+':
if not st[1]:
oo[1] += green_color
st[1] = True
oo[1] += l[2:]
for i in range(2):
if st[i]:
oo[i] += end_color
st[i] = 0
oo = [o.replace ('\n', '') for o in oo]
if oo[0] == oo[1]:
return [' ', oo[0], '\n']
return ['-', oo[0], '\n', '+', oo[1], '\n']
def open_file (f):
if f == '-':
return sys.stdin
return file (f)
if len (sys.argv) != 3:
print "Usage: %s [--color] FILE1 FILE2" % sys.argv[0]
sys.exit (1)
f1, f2 = (open_file (f) for f in sys.argv[1:3])
for (l1,l2) in zip (f1, f2):
if l1 == l2:
sys.stdout.writelines ([" ", l1])
continue
sys.stdout.writelines (fancy_diff (l1, l2))
# Print out residues
for l in f1:
sys.stdout.writelines (["-", red_color, l1, end_color])
for l in f1:
sys.stdout.writelines (["-", green_color, l1, end_color])