import os
import glob
import shutil
from xml.dom import minidom

def fixed_writexml(self, writer, indent="", addindent="", newl=""):
	# indent = current indentation
	# addindent = indentation to add to higher levels
	# newl = newline string
	writer.write(indent+"<" + self.tagName)

	attrs = self._get_attributes()
	a_names = attrs.keys()
	#a_names.sort()

	for a_name in a_names:
		writer.write(" %s=\"" % a_name)
		minidom._write_data(writer, attrs[a_name].value)
		writer.write("\"")
	if self.childNodes:
		if len(self.childNodes) == 1 \
				and self.childNodes[0].nodeType == minidom.Node.TEXT_NODE:
			writer.write(">")
			self.childNodes[0].writexml(writer, "", "", "")
			writer.write("</%s>%s" % (self.tagName, newl))
			return
		writer.write(">%s" % (newl))
		for node in self.childNodes:
			if node.nodeType is not minidom.Node.TEXT_NODE:
				node.writexml(writer, indent+addindent, addindent, newl)
		writer.write("%s</%s>%s" % (indent, self.tagName, newl))
	else:
		writer.write("/>%s" % (newl))
minidom.Element.writexml = fixed_writexml

def getFiles(dirPath, postfix):
	fs = glob.glob(dirPath + "\\" + postfix)
	return fs

def rootDir():
	path = os.path.abspath(os.path.dirname(__file__))
	return path

def dirdir(path, postfix):
	fs = getFiles(path, postfix)
	ps = os.listdir(path)
	for p in ps:
		if os.path.isdir(path + '\\' + p):
			fs.extend(dirdir(path + '\\' + p, postfix))
	return fs

def modifyToolset(f, toolset):
	if (os.path.exists(f)):
		dom = minidom.parse(f25)
		root = dom.documentElement
		pgs = root.getElementsByTagName('PropertyGroup')
		for pg in pgs:
			if pg.getAttribute('Label') == 'Configuration':
				tss = pg.getElementsByTagName('PlatformToolset')
				txt = dom.createTextNode(toolset)
				for ts in tss:
					if ts.firstChild.nodeType == ts.firstChild.TEXT_NODE:
						ts.firstChild.replaceWholeText(toolset)
		xmlF= open(f, 'w', encoding='utf-8')
		dom.writexml(xmlF, indent = '', addindent = ' '*4, newl = '\n', encoding = 'utf-8')

def modifySubVer(f, sub):
	if (os.path.exists(f)):
			dom = minidom.parse(f)
			root = dom.documentElement
			pg = dom.createElement('PropertyGroup')
			pg.setAttribute('Label', 'UserMacros')
			rv = dom.createElement('RVER')
			txt = dom.createTextNode(sub)
			rv.appendChild(txt)
			pg.appendChild(rv)
			root.insertBefore(pg, root.firstChild)
			xmlF= open(f, 'w', encoding='utf-8')
			dom.writexml(xmlF, indent = '', addindent = ' '*4, newl = '\n', encoding = 'utf-8')


if __name__ == "__main__":
	fs = dirdir(rootDir(), '*23.vcxproj')
	for f in fs:
		pr = os.path.split(f)
		f24 = pr[0] + '\\' + pr[1].replace('23', '24')
		f25 = pr[0] + '\\' + pr[1].replace('23', '25')
		shutil.copy(f, f24)
		shutil.copy(f, f25)
		modifyToolset(f24, 'v142')
		modifyToolset(f25, 'v143')