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Parser.py
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Parser.py
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import xml.etree.ElementTree as ET
import re
import hashlib
import cast.analysers.log as CAST
from cast.analysers import Bookmark
class CastOperation():
def __init__(self):
self.tag_names = []
self.bpel_file_data = {}
self.wsdl_file_data = {}
self.check_sum_with_commented_lines = ""
self.check_sum_without_commented_lines = ""
self.bookmarks = []
self.stack_line=[]
self.stack_column=[]
self.start_line_no = 0
self.start_column_no =0
self.end_line_no =0
self.end_column_no =0
def defineTagNames(self):
self.tag_names = ["receive","invoke","process","partnerLink","onMessage","variable","faultHandlers","correlationSet","from","to","onEvent","link"]
def parseNsmap(self,filename,NS_MAP):
def parseNsXml(root,tag):
for child in list(root.iter()):
if tag in re.sub('{.*?}','',str(child.tag)) :
return(re.sub('({)|(})|(\')|(\s+)' ,'',str(child.attrib)).split(','))
self.events =["start","start-ns","end-ns"]
self.root_ns = None
self.ns_map = []
for event,elem in ET.iterparse(filename,self.events):
if "start-ns" in event:
self.ns_map.append(elem)
elif "end-ns" in event:
self.ns_map.pop()
elif "start" in event:
if self.root_ns is None:
self.root_ns = elem
elem.set(NS_MAP,dict(self.ns_map))
if filename.endswith('.wsdl'):
return parseNsXml(ET.ElementTree(self.root_ns),"definitions")
else:
return parseNsXml(ET.ElementTree(self.root_ns),"process")
def getTagAttrib(self,root,tag):
def getNamespace(ele):
namespace = re.match('\{.*\}',ele.tag)
return namespace.group(0) if namespace else ''
self.namespace = getNamespace(root)
self.tag_attrib = []
match = './/%s'+tag
for child in root.findall(match % self.namespace):
self.tag_attrib.append(re.sub('({)|(})|(\')|(\s+)' ,'',str(child.attrib)).split(','))
return self.tag_attrib
def castParserWsdl(self,filename):
self.wsdl_file_data["definitions"] = self.parseNsmap(filename,"xmlns:map")
return self.wsdl_file_data
def castParserBpel(self,file,filename):
self.defineTagNames()
self.tree = ET.parse(filename)
self.root = self.tree.getroot()
for child_tag in self.tag_names:
file_data = []
file_reference = open(filename,'r')
for i in file_reference:
i.replace("\n","")
file_data.append(i)
if "process" in child_tag:
self.bpel_file_data[child_tag] = self.parseNsmap(filename,"xmlns:map")
self.bpel_file_data[child_tag+".bookmark"]=self.tagBookmark(file,file_data,child_tag)
else:
self.bpel_file_data[child_tag] = self.getTagAttrib(self.root,child_tag)
self.bpel_file_data[child_tag+".bookmark"]=self.tagBookmark(file,file_data,child_tag)
return self.bpel_file_data
def getInvokeJavaCode(self, filename) :
tree = ET.parse(filename)
root =tree.getroot()
invokeJavaCodeList = []
for child in list(root.iter()) :
tag = re.sub('{.*?}', '',str(child.tag))
if tag == "invoke":
invokeTag = child
if tag == "javaCode" :
dict = { invokeTag.attrib["name"] : child.text}
invokeJavaCodeList.append(dict)
return invokeJavaCodeList
def tagBookmark(self,file,file_data,tag):
flag =0
flag_unclose = 0
count = 0
#CAST.debug(tag)
self.bookmarks=[]
self.stack_line=[]
self.stack_column=[]
for line in file_data:
count =count+1
match_reference = re.search('<(.+?):'+tag,line)
if not "</" in line and match_reference or "<"+tag in line :
#CAST.debug(str(match_reference))
if tag+">" in line:
flag_unclose =1
self.start_line_no = count
self.start_column_no =line.find("<")+1
self.stack_line.append(self.start_line_no)
self.stack_column.append(self.start_column_no)
flag = 1
elif flag == 1:
self.end_line_no=count
match_reference_end = re.search('</(.+?):'+tag,line)
if match_reference_end or "</"+tag in line:
#CAST.debug(str(count))
self.end_line_no = count
self.end_column_no = line.find("</")+1
flag = -1
elif flag_unclose== 1 and "/>" in line:
self.end_line_no = count
self.end_column_no = line.find("/>")+1
flag_unclose =0
flag = -1
if flag == -1:
if self.stack_line:
self.start_line_no = self.stack_line.pop()
else:
self.start_line_no = self.end_line_no
if self.stack_column:
self.start_column_no = self.stack_column.pop()
else:
self.start_column_no = self.end_column_no
bookmark = Bookmark(file,self.start_line_no,self.start_column_no,self.end_line_no,self.end_column_no)
self.bookmarks.append(bookmark)
#CAST.debug(str(bookmark))
self.start_line_no = 0
self.start_column_no =0
self.end_line_no =0
self.end_column_no =0
flag = 0
return self.bookmarks
pass
def fileLoc(self,filename):
md5_data_with_commented_lines = hashlib.md5()
md5_data_without_commented_lines = hashlib.md5()
line_of_code =0
line_of_comments = 0
no_of_blank_lines = 0
flag = 0
with open(filename,'r') as source_file:
for line in source_file:
if flag == 1:
md5_data_with_commented_lines.update(line.encode('utf-8'))
if line.find('-->')==-1:
line_of_comments = line_of_comments + 1
else:
line_of_comments = line_of_comments + 1
flag = 0
else:
if len(line) == 1:
no_of_blank_lines =no_of_blank_lines + 1
elif line.find('<!--')!=-1:
md5_data_with_commented_lines.update(line.encode('utf-8'))
line_of_comments = line_of_comments + 1
flag = 1
if line.find('-->')!=-1 and line.find('-->') > line.find('<!--'):
flag =0
else:
md5_data_with_commented_lines.update(line.encode('utf-8'))
md5_data_without_commented_lines.update(line.encode('utf-8'))
line_of_code = line_of_code +1
self.check_sum_with_commented_lines = str(md5_data_with_commented_lines.hexdigest())
self.check_sum_without_commented_lines = str(md5_data_without_commented_lines.hexdigest())
return [line_of_comments,line_of_code]
def fileChecksum(self,filename):
return [self.check_sum_with_commented_lines,self.check_sum_without_commented_lines]
pass
if __name__ == "__main__":
'''
operation = CastOperation()
print(operation.getInvokeJavaCode("Travel.bpel"))
'''
pass