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Added string to array command parser

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This commit is contained in:
computergeek125 2021-09-25 14:29:03 -05:00
parent 6fe8debeba
commit 4f320e69a5
1 changed files with 36 additions and 0 deletions
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36
app/classes/shared/helpers.py
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@ -35,6 +35,11 @@ except ModuleNotFoundError as e:
sys.exit(1)
class Helpers:
allowed_quotes = [
"\"",
"'",
"`"
]
def __init__(self):
self.root_dir = os.path.abspath(os.path.curdir)
@ -100,6 +105,37 @@ class Helpers:
except Exception as err:
return False
@staticmethod
def cmdparse(cmd_in):
# Parse a string into arguments
cmd_out = [] # "argv" output array
ci = -1 # command index - pointer to the argument we're building in cmd_out
np = True # whether we're creating a new argument/parameter
esc = False # whether an escape character was encountered
stch = None # if we're dealing with a quote, save the quote type here. Nested quotes to be dealt with by the command
for c in cmd_in: # for character in string
if np == True: # if set, begin a new argument and increment the command index. Continue the loop.
if c == ' ':
continue
else:
ci += 1
cmd_out.append("")
np = False
if esc: # if we encountered an escape character on the last loop, append this char regardless of what it is
cmd_out[ci] += c
esc = False
else:
if c == '\\': # if the current character is an escape character, set the esc flag and continue to next loop
esc = True
elif c == ' ' and stch is None: # if we encounter a space and are not dealing with a quote, set the new argument flag and continue to next loop
np = True
elif c == stch: # if we encounter the character that matches our start quote, end the quote and continue to next loop
stch = None
elif stch is None and (c in Helpers.allowed_quotes): # if we're not in the middle of a quote and we get a quotable character, start a quote and proceed to the next loop
stch = c
else: # else, just store the character in the current arg
cmd_out[ci] += c
return cmd_out
def check_for_old_logs(self, db_helper):
servers = db_helper.get_all_defined_servers()