tomo/examples/ini/ini.tm

59 lines
1.8 KiB
Tcl

_USAGE := "
Usage: ini <filename> "[section[/key]]"
"
_HELP := "
ini: A .ini config file reader tool.
$_USAGE
"
func parse_ini(path:Path)->{Text:{Text:Text}}:
text := path:read():or_exit("Could not read INI file: $\[31;1]$(path.text_content)$\[]")
sections := {:Text:@{Text:Text}}
current_section := @{:Text:Text}
# Line wraps:
text = text:replace($/\{1 nl}{0+space}/, " ")
for line in text:lines():
line = line:trim()
skip if line:starts_with(";") or line:starts_with("#")
if line:matches($/[?]/):
section_name := line:replace($/[?]/, "\1"):trim():lower()
current_section = @{:Text:Text}
sections:set(section_name, current_section)
else if line:matches($/{..}={..}/):
key := line:replace($/{..}={..}/, "\1"):trim():lower()
value := line:replace($/{..}={..}/, "\2"):trim()
current_section:set(key, value)
return {k:v[] for k,v in sections}
func main(path:Path, key:Text?):
keys := key:or_else(""):split($Pattern"/")
if keys.length > 2:
exit("
Too many arguments!
$_USAGE
")
data := parse_ini(path)
if keys.length < 1 or keys[1] == '*':
!! $data
return
section := keys[1]:lower()
section_data := data:get(section):or_exit("
Invalid section name: $\[31;1]$section$\[]
Valid names: $\[1]$(", ":join([k:quoted() for k in data.keys]))$\[]
")
if keys.length < 2 or keys[2] == '*':
!! $section_data
return
section_key := keys[2]:lower()
value := section_data:get(section_key):or_exit("
Invalid key: $\[31;1]$section_key$\[]
Valid keys: $\[1]$(", ":join([s:quoted() for s in section_data.keys]))$\[]
")
say(value)