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Some additions to make scripted aliases work

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This commit is contained in:
Siteshwar Vashisht 2012-03-18 15:00:27 +05:30
parent b1ff14162f
commit 21b8e5a5c6
2 changed files with 72 additions and 5 deletions
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75
import_bash_settings.py
View File

@ -20,6 +20,7 @@ config_file = None
prompt_buff = ""
i = 0
quote_started = False
bash_builtins = ["export"]
#Remove leading and trailing single quotes from a string
def remove_single_quotes(input):
@ -31,6 +32,44 @@ def remove_single_quotes(input):
end = end - 1
return input[start:end]
#Replace characters outside double quotes
def replace_outside_quotes(input, oldchar, newchar, change_all = True):
in_quotes = False
newstr = []
i = 0
while i < len(input):
if input[i] == oldchar and in_quotes == False:
newstr.append(newchar)
i = i+1
if change_all == True:
continue
else:
while i < len(input):
newstr.append(input[i])
i = i + 1
#Break loop and return all the characters in list by joining them
break
elif input[i] == '\\' and in_quotes == True:
newstr.append(input[i])
i = i+1
elif input[i] == '"':
in_quotes=not in_quotes
elif input[i] == "'":
newstr.append(input[i])
i = i + 1
while input[i] != "'":
newstr.append(input[i])
i = i + 1
newstr.append(input[i])
i = i + 1
return ''.join(newstr)
#Parse input passed to the script
def parse_input(input):
env_regex = re.compile("(.*?)=(.*)")
@ -56,9 +95,39 @@ def parse_input(input):
def add_alias(alias_name, alias_value):
alias_value = remove_single_quotes(alias_value)
config_file.write("function " + alias_name + "\n")
config_file.write("\t" + alias_value + " $argv" + "\n")
config_file.write("end\n")
while "`" in alias_value:
alias_value = replace_outside_quotes(alias_value, '`', '(', False)
alias_value = replace_outside_quotes(alias_value, '`', ')', False)
config_file.write("function " + alias_name)
for line in alias_value.split(";"):
line = line.strip()
tokens = line.split(' ')
first_token = tokens[0].strip()
if first_token in bash_builtins:
print first_token, " is a bash builtin"
if first_token == "export":
var_regex = re.compile("(.*?)=(.*)")
var_regex_matched = re.search(var_regex, line[7:])
if var_regex_matched != None:
stripped_name = var_regex_matched.group(1).strip()
config_file.write("\n\tset -gx " + var_regex_matched.group(1).strip() + " " + var_regex_matched.group(2).strip())
else:
export_name = line[6:].strip()
config_file.write("\n\tset -gx " + export_name + " $" + export_name )
elif "=" in first_token:
var_regex = re.compile("(.*?)=(.*)")
var_regex_matched = re.search(var_regex, line)
if var_regex_matched != None:
stripped_name = var_regex_matched.group(1).strip()
config_file.write("\n\tset " + var_regex_matched.group(1).strip() + " " + var_regex_matched.group(2).strip() )
else:
if len(line.strip()) > 0:
config_file.write( "\n\t" + line.strip() + " $argv" )
config_file.write("\nend;\n")
def parse_control_sequence():
ch = next_prompt_char()

2
runbash.sh
View File

@ -5,12 +5,10 @@ if [ -e $bash_config ]
then
mv $bash_config $bash_config.backup
fi
touch $bash_config
echo "function set_default" >> $bash_config
echo " if not set -q \$argv[1]" >> $bash_config
echo " set -gx \$argv" >> $bash_config
#echo " echo "Setting " \$argv" >> $bash_config
echo " end" >> $bash_config
echo "end" >> $bash_config
echo "PS1=$PS1" | python import_bash_settings.py