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import linecache

def linecount(in_file_path):  # 第三种方法放入缓存防止内存过载
    count = -1

    for count, line in enumerate(open(in_file_path,'rb').readlines()):

        count += 1

    return count
    
#取字符串中两个符号之间的东东,按第一次出现子串进行截取,start_str和end_str为首次出现的
def txt_wrap_by_first(lineString,start_str, end_str):
    start = lineString.find(start_str) #python提供了从尾部搜索的方法，这种方法也是可行的。start = lineString.rfind(start_str) +2表示跳过::
    if start >= 0:
	    start += len(start_str)
        end = lineString.find(end_str)
        if end >= 0:
            return lineString[start:end].strip()
            
    
#取字符串中两个符号之间的东东,start_str和end_str为最后一次出现的
def txt_wrap_by(lineString,start_str, end_str):
    start = find_last(lineString,start_str)#python提供了从尾部搜索的方法，这种方法也是可行的。start = lineString.rfind(start_str)
    if start >= 0:
        start += len(start_str)
        #end = lineString.find(end_str)
        end = find_last(lineString,end_str)
        if end >= 0:
            return lineString[start:end].strip()
                
                
                
#取字符串中两个符号之间的东东,start_str为首次出现的，end_str为最后一次出现的
def txt_wrap_by_first_last(lineString,start_str,end_str):
    start = lineString.find(start_str)#python提供了从尾部搜索的方法，这种方法也是可行的。start = lineString.rfind(start_str)
    if start >= 0:
        start += len(start_str)
        end = lineString.rfind(end_str)
        if end >= 0:
            return lineString[start:end].strip()
            
            
            
            
            

#在字符串中寻找目标最后一次出现的位置（python）             
def find_last(lineString,start_str):
    last_position=-1
    while True:
        position=lineString.find(start_str,last_position+1)
        if position==-1:
            return last_position
        last_position=position
    return -1
    

#取字符串中某个字符之前的东东，直到遇到空格截止
def txt_wrap_before(lineString, end_str):
    lineSplit=lineString.split(' ')[4]
    end = lineSplit.find(end_str)
    if end >= 0:
        return lineSplit[:end].strip()







'''
#逆序从最后一行往前读取文件内容，并写入另一个文件

def get_reverse_line(in_file_path,out_file_path):
    line_number=linecount()
    lineString = ''
    while line_number>0:
        lineString = lineString + linecache.getline(in_file_path, line_number)
        #print(lineString)
        
        line_number=line_number-1
    file = open(out_file_path,'w')
    file.write(lineString)
    file.close()



#从最后一个字符倒着读取文件内容，并写入另一个文件
def get_reverse_context(in_file_path,out_file_path):
    with open(in_file_path, "rt") as in_f, open(out_file_path, "wt") as out_f:
        for line in in_f:
            line = line.strip()
            reversed_line = ''.join(reversed(line))
            out_f.write(reversed_line + "
")




#顺序读取文件内容，并原样写入另一个文件
def get_same_context(in_file_path,out_file_path):
    in_file = open(in_file_path,'r')
    lineString = ''
    for lien in in_file.readlines():
        #lien = lien.strip()
        lineString = lineString + str(lien)
        #print(str(lien))
    #print(lineString)

    out_file = open(out_file_path,'w')
    out_file.write(lineString)
    out_file.close()
'''


#顺序读取文件内容，拼接处理后展示最后结果
def get_result(in_file_path,out_file_path):
    line_number=linecount(in_file_path)  #获取文件行数
    lineString0 = ''         #提取文件名
    lineString1 = ''         #提取函数名
    outString0 = ''          #拼接本行RenderThread -> DrawFrameTask: run 
    outString1 = ''          #拼接上一行activate DrawFrameTask  
    outString = '@startuml'+'
'+'autonumber'+'
'           #拼接成最终结果

    while line_number-1>0:

        lineString0 = linecache.getline(in_file_path, line_number)
        lineString1 = linecache.getline(in_file_path, line_number-1)
        line_number=line_number-1        
        
        outString0 = outString0 + str(txt_wrap_by(lineString0,'/','.'))+' -> '+str(txt_wrap_by(lineString1,'/','.'))+': '
        if lineString1.find('.') >= 0: #包含.的行为有效行
            if lineString1.find('(') < 0:   #不包含括号
                outString0+=str(txt_wrap_before(lineString1,'+'))
            elif lineString1.find('(') >= 0 and lineString1.split('  ')[2].find('::') < 0 :   #包含括号但不包含:: 
                outString0+=str(txt_wrap_before(lineString1,'('))
            else:#包含括号包含:: 
                outString0+=str(txt_wrap_by(lineString1,'::','('))
            outString1 = outString1 + 'activate '+str(txt_wrap_by(lineString1,'/','.'))
            outString = outString + outString0 + '
' + outString1 + '
'
            outString0 = ''
            outString1 = ''

        
            #lineString = ''
            #print('outString'+outString)
        

    outString+='@enduml'
    file = open(out_file_path,'w')
    file.write(outString)
    file.close()






#顺序读取文件内容，拼接处理后展示最后结果
def get_result_at(in_file_path,out_file_path):
    line_number=linecount(in_file_path)  #获取文件行数
    lineString0 = ''         #提取文件名
    lineString1 = ''         #提取函数名
    outString0 = ''          #拼接本行RenderThread -> DrawFrameTask: run 
    outString1 = ''          #拼接上一行activate DrawFrameTask  
    outString = '@startuml'+'
'+'autonumber'+'
'           #拼接成最终结果

    while line_number-1>0:

        lineString0 = linecache.getline(in_file_path, line_number)
        lineString1 = linecache.getline(in_file_path, line_number-1)
        line_number=line_number-1        
        #print('lineString0'+lineString0)
        #print('lineString1'+lineString1)
        
        if lineString0.find('.cpp') >= 0 and lineString1.find('.cpp') >= 0: #包含.cpp为有效行
            if lineString1.find('::') > 0 : #包含::,函数名字提取
                outString0 = outString0 + str(txt_wrap_by(lineString0,'/','.cpp'))+' -> '+str(txt_wrap_by(lineString1,'/','.cpp'))+': '+str(txt_wrap_by_first(str(txt_wrap_by(lineString1,': ',' at')),'::','('))#设配这种情况：: Routine Gift_sendLayer::initView(int A::a, int b) at 
            elif lineString1.find('::') < 0 : #不包含::,函数名字提取
                outString0 = outString0 + str(txt_wrap_by(lineString0,'/','.cpp'))+' -> '+str(txt_wrap_by(lineString1,'/','.cpp'))+': '+str(lineString1.split(' ')[-3])

            outString1 = outString1 + 'activate '+str(txt_wrap_by(lineString1,'/','.cpp'))
            outString = outString + outString0 + '
' + outString1 + '
'
            outString0 = ''
            outString1 = ''
            #print(outString)
            

            #print('outString'+outString)
            

    outString+='@enduml'
    file = open(out_file_path,'w')
    file.write(outString)
    file.close()




#顺序读取文件内容，拼接处理后展示最后结果
def get_result_crash_info(in_file_path,out_file_path):
    line_number=linecount(in_file_path)  #获取文件行数
    lineString0 = ''         #提取文件名
    lineString1 = ''         #提取函数名
    outString0 = ''          #拼接本行RenderThread -> DrawFrameTask: run 
    outString1 = ''          #拼接上一行activate DrawFrameTask  
    outString = '@startuml'+'
'+'autonumber'+'
'           #拼接成最终结果

    while line_number-1>0:

        lineString0 = linecache.getline(in_file_path, line_number)
        lineString1 = linecache.getline(in_file_path, line_number-1)
        line_number = line_number-1        
        #print('lineString0'+lineString0)
        #print('lineString1'+lineString1)
        
        if lineString0.find('#') >= 0 and lineString1.find('#') >= 0: #包含(为有效行
            if lineString0.find('::') >= 0 and lineString1.find('::') >= 0: #包含.cpp为有效行
                outString0 = outString0 + str(txt_wrap_by_first_last(lineString0,'::','(')).split('::')[0]+' -> '+str(txt_wrap_by_first_last(lineString1,'::','(')).split('::')[0]+': '+str(txt_wrap_by_first_last(lineString1,'::','(')).split('::')[1]#设配这种情况：: Routine Gift_sendLayer::initView(int A::a, int b) at 
                outString1 = outString1 + 'activate '+str(txt_wrap_by_first_last(lineString1,'::','(')).split('::')[0]
            
            elif lineString0.find('::') >= 0 and lineString1.find('::') < 0: #包含.cpp为有效行
                outString0 = outString0 + str(txt_wrap_by_first_last(lineString0,'::','(')).split('::')[0]+' -> '+str(txt_wrap_by(lineString1.split(' ')[-2],'/','.'))+': '+str(txt_wrap_by(lineString1,'(','+'))#设配这种情况：: Routine Gift_sendLayer::initView(int A::a, int b) at 
                outString1 = outString1 + 'activate '+str(txt_wrap_by(lineString1.split(' ')[-2],'/','.'))
            
            elif lineString0.find('::') < 0 and lineString1.find('::') < 0: #包含.cpp为有效行
                outString0 = outString0 + str(txt_wrap_by(lineString0.split(' ')[-2],'/','.'))+' -> '+str(txt_wrap_by(lineString1.split(' ')[-2],'/','.'))+': '+str(txt_wrap_by(lineString1,'(','+'))#设配这种情况：: Routine Gift_sendLayer::initView(int A::a, int b) at 
                outString1 = outString1 + 'activate '+str(txt_wrap_by(lineString1.split(' ')[-2],'/','.'))
            
            elif lineString0.find('::') < 0 and lineString1.find('::') >= 0: #包含.cpp为有效行
                outString0 = outString0 + str(txt_wrap_by(lineString0.split(' ')[-2],'/','.'))+' -> '+str(txt_wrap_by_first_last(lineString1,'::','(')).split('::')[0]+': '+str(txt_wrap_by_first_last(lineString1,'::','(')).split('::')[1]#设配这种情况：: Routine Gift_sendLayer::initView(int A::a, int b) at 
                outString1 = outString1 + 'activate '+str(txt_wrap_by_first_last(lineString1,'::','(')).split('::')[0]


            outString = outString + outString0 + '
' + outString1 + '
'
            outString0 = ''
            outString1 = ''
            

    print('outString'+outString)
            

    outString+='@enduml'
    file = open(out_file_path,'w')
    file.write(outString)
    file.close()


if __name__ == '__main__':
    in_file_path = r".	est_input.txt"
    out_file_path = r".	est_output.txt"
    get_result(in_file_path,out_file_path)
    
    in_file_path_at = r".	est_input_at.txt"
    out_file_path_at = r".	est_output_at.txt"
    get_result_at(in_file_path_at,out_file_path_at)


    in_file_path_crash_info = r".	est_input_crash_info.txt"
    out_file_path_crash_info = r".	est_output_crash_info.txt"
    get_result_crash_info(in_file_path_crash_info,out_file_path_crash_info)