# -*- coding: utf-8 -*-
import os;

folderA = "F:\\Projects\\FreeImageV3_14_1\\".lower();
folderB = u"E:\\Software\\图像解码库\\FreeImage3141\\FreeImage\\".lower();

filePathsA = {};
filePathsB = {};
for root,dirs,files in os.walk(folderA):
	for fileName in files:
		filePathsA[(root + "\\" + fileName).lower()] = 1;

for root,dirs,files in os.walk(folderB):
	for fileName in files:
		filePathsB[(root + "\\" + fileName).lower()] = 1;
		
# 在filePathsA中，找到所有和filePathsB中不一致的文件的路径		
modifiedFilePath = [];
addedFilePath = [];
for filePathA in filePathsA:

	folderALen = len(folderA);
	filePathB = folderB + filePathA[folderALen:]; 
	
	idx = filePathA.rfind(".");
	if idx == -1:
		continue;
	ext = filePathA[idx + 1:];
	ext = ext.lower();
	if ext != "c" and ext != "h" and ext != "cpp" and ext != "cxx":
		continue;
	if filePathB not in filePathsB:
		addedFilePath.append(filePathA);
		continue;

	text_file = open(filePathA, "r");
	textA = text_file.read();
	text_file.close();
	
	text_file = open(filePathB, "r");
	textB = text_file.read();
	text_file.close();
	
	if textA != textB:		
		modifiedFilePath.append(filePathA);

output = open('res.txt', 'w');
output.write("added files:\n");
for filePath in addedFilePath:
	output.write(filePath + "\n");

output.write("modified files:\n");
for filePath in modifiedFilePath:
	output.write(filePath + "\n");
output.close();
#//python/1185