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flag: unify apis

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yuyi 2020-03-19 14:06:37 +08:00 committed by GitHub
parent 66639924a4
commit 9ef8499183
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8 changed files with 73 additions and 113 deletions
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18
cmd/tools/gen_vc.v
View File

@ -117,7 +117,7 @@ fn main() {
fp.description(app_description)
fp.skip_executable()
show_help:=fp.bool('help', false, 'Show this help screen\n')
show_help:=fp.bool('help', 0, false, 'Show this help screen\n')
flag_options := parse_flags(mut fp)
if( show_help ){ println( fp.usage() ) exit(0) }
@ -181,14 +181,14 @@ pub fn (ws &WebhookServer) reset() {
// parse flags to FlagOptions struct
fn parse_flags(fp mut flag.FlagParser) FlagOptions {
return FlagOptions{
serve : fp.bool('serve', false, 'run in webhook server mode')
work_dir : fp.string('work-dir', work_dir, 'gen_vc working directory')
purge : fp.bool('purge', false, 'force purge the local repositories')
port : fp.int('port', server_port, 'port for web server to listen on')
log_to : fp.string('log-to', log_to, 'log to is \'file\' or \'terminal\'')
log_file : fp.string('log-file', log_file, 'log file to use when log-to is \'file\'')
dry_run : fp.bool('dry-run', dry_run, 'when specified dont push anything to remote repo')
force : fp.bool('force', false, 'force update even if already up to date')
serve : fp.bool('serve', 0, false, 'run in webhook server mode')
work_dir : fp.string('work-dir', 0, work_dir, 'gen_vc working directory')
purge : fp.bool('purge', 0, false, 'force purge the local repositories')
port : fp.int('port', 0, server_port, 'port for web server to listen on')
log_to : fp.string('log-to', 0, log_to, 'log to is \'file\' or \'terminal\'')
log_file : fp.string('log-file', 0, log_file, 'log file to use when log-to is \'file\'')
dry_run : fp.bool('dry-run', 0, dry_run, 'when specified dont push anything to remote repo')
force : fp.bool('force', 0, false, 'force update even if already up to date')
}
}

10
cmd/tools/modules/vgit/vgit.v
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@ -137,16 +137,16 @@ pub fn (vgit_context mut VGitContext) compile_oldv_if_needed() {
pub fn add_common_tool_options<T>(context mut T, fp mut flag.FlagParser) []string {
tdir := os.temp_dir()
context.workdir = os.realpath(fp.string_('workdir', `w`, tdir, 'A writable base folder. Default: $tdir'))
context.v_repo_url = fp.string('vrepo', vgit.remote_v_repo_url, 'The url of the V repository. You can clone it locally too. See also --vcrepo below.')
context.vc_repo_url = fp.string('vcrepo', vgit.remote_vc_repo_url, 'The url of the vc repository. You can clone it
context.workdir = os.realpath(fp.string('workdir', `w`, tdir, 'A writable base folder. Default: $tdir'))
context.v_repo_url = fp.string('vrepo', 0, vgit.remote_v_repo_url, 'The url of the V repository. You can clone it locally too. See also --vcrepo below.')
context.vc_repo_url = fp.string('vcrepo', 0, vgit.remote_vc_repo_url, 'The url of the vc repository. You can clone it
${flag.SPACE}beforehand, and then just give the local folder
${flag.SPACE}path here. That will eliminate the network ops
${flag.SPACE}done by this tool, which is useful, if you want
${flag.SPACE}to script it/run it in a restrictive vps/docker.
')
context.show_help = fp.bool_('help', `h`, false, 'Show this help screen.')
context.verbose = fp.bool_('verbose', `v`, false, 'Be more verbose.')
context.show_help = fp.bool('help', `h`, false, 'Show this help screen.')
context.verbose = fp.bool('verbose', `v`, false, 'Be more verbose.')
if (context.show_help) {
println(fp.usage())

4
cmd/tools/oldv.v
View File

@ -76,8 +76,8 @@ fn main() {
fp.skip_executable()
fp.limit_free_args(1, 1)
context.cleanup = fp.bool('clean', true, 'Clean before running (slower).')
context.cmd_to_run = fp.string_('command', `c`, '', 'Command to run in the old V repo.\n')
context.cleanup = fp.bool('clean', 0, true, 'Clean before running (slower).')
context.cmd_to_run = fp.string('command', `c`, '', 'Command to run in the old V repo.\n')
commits := vgit.add_common_tool_options(mut context, mut fp)
if commits.len > 0 {

4
cmd/tools/performance_compare.v
View File

@ -187,8 +187,8 @@ fn main() {
fp.skip_executable()
fp.limit_free_args(1, 2)
context.vflags = fp.string('vflags', '', 'Additional options to pass to the v commands, for example "-cc tcc"')
context.hyperfineopts = fp.string('hyperfine_options', '',
context.vflags = fp.string('vflags', 0, '', 'Additional options to pass to the v commands, for example "-cc tcc"')
context.hyperfineopts = fp.string('hyperfine_options', 0, '',
'Additional options passed to hyperfine.
${flag.SPACE}For example on linux, you may want to pass:
${flag.SPACE}--hyperfine_options "--prepare \'sync; echo 3 | sudo tee /proc/sys/vm/drop_caches\'"

6
cmd/tools/vbin2v.v
View File

@ -69,9 +69,9 @@ fn main() {
fp.version(tool_version)
fp.description(tool_description)
fp.arguments_description('FILE [FILE]...')
context.show_help = fp.bool_('help', `h`, false, 'Show this help screen.')
context.module_name = fp.string_('module', `m`, 'binary', 'Name of the generated module.\n')
context.prefix = fp.string_('prefix', `p`, '', 'A prefix put before each resource name.\n')
context.show_help = fp.bool('help', `h`, false, 'Show this help screen.')
context.module_name = fp.string('module', `m`, 'binary', 'Name of the generated module.\n')
context.prefix = fp.string('prefix', `p`, '', 'A prefix put before each resource name.\n')
if (context.show_help) {
println(fp.usage())
exit(0)

2
cmd/tools/vnames.v
View File

@ -64,7 +64,7 @@ fn main(){
fp.arguments_description('FILE.v/FOLDER [FILE.v/FOLDER]...')
fp.limit_free_args_to_at_least(1)
fp.skip_executable()
show_help:=fp.bool_('help', `h`, false, 'Show this help screen\n')
show_help:=fp.bool('help', `h`, false, 'Show this help screen\n')
if( show_help ){
println( fp.usage() )
exit(0)

48
vlib/flag/flag.v
View File

@ -245,23 +245,13 @@ pub fn (fs mut FlagParser) bool_opt(name string, abbr byte, usage string) ?bool
// the default value is returned
// version with abbr
//TODO error handling for invalid string to bool conversion
pub fn (fs mut FlagParser) bool_(name string, abbr byte, bdefault bool, usage string) bool {
pub fn (fs mut FlagParser) bool(name string, abbr byte, bdefault bool, usage string) bool {
value := fs.bool_opt(name, abbr, usage) or {
return bdefault
}
return value
}
// defining and parsing a bool flag
// if defined
// the value is returned (true/false)
// else
// the default value is returned
//TODO error handling for invalid string to bool conversion
pub fn (fs mut FlagParser) bool(name string, v bool, usage string) bool {
return fs.bool_(name, 0, v, usage)
}
// int_multi returns all instances of values associated with the flags provided
// In the case that none were found, it returns an empty array.
pub fn (fs mut FlagParser) int_multi(name string, abbr byte, usage string) []int {
@ -292,23 +282,13 @@ pub fn (fs mut FlagParser) int_opt(name string, abbr byte, usage string) ?int {
// the default value is returned
// version with abbr
//TODO error handling for invalid string to int conversion
pub fn (fs mut FlagParser) int_(name string, abbr byte, idefault int, usage string) int {
pub fn (fs mut FlagParser) int(name string, abbr byte, idefault int, usage string) int {
value := fs.int_opt(name, abbr, usage) or {
return idefault
}
return value
}
// defining and parsing an int flag
// if defined
// the value is returned (int)
// else
// the default value is returned
//TODO error handling for invalid string to int conversion
pub fn (fs mut FlagParser) int(name string, i int, usage string) int {
return fs.int_(name, 0, i, usage)
}
// float_multi returns all instances of values associated with the flags provided
// In the case that none were found, it returns an empty array.
pub fn (fs mut FlagParser) float_multi(name string, abbr byte, usage string) []f32 {
@ -339,23 +319,13 @@ pub fn (fs mut FlagParser) float_opt(name string, abbr byte, usage string) ?f32
// the default value is returned
// version with abbr
//TODO error handling for invalid string to float conversion
pub fn (fs mut FlagParser) float_(name string, abbr byte, fdefault f32, usage string) f32 {
pub fn (fs mut FlagParser) float(name string, abbr byte, fdefault f32, usage string) f32 {
value := fs.float_opt(name, abbr, usage) or {
return fdefault
}
return value
}
// defining and parsing a float flag
// if defined
// the value is returned (float)
// else
// the default value is returned
//TODO error handling for invalid string to float conversion
pub fn (fs mut FlagParser) float(name string, f f32, usage string) f32 {
return fs.float_(name, 0, f, usage)
}
// string_multi returns all instances of values associated with the flags provided
// In the case that none were found, it returns an empty array.
pub fn (fs mut FlagParser) string_multi(name string, abbr byte, usage string) []string {
@ -380,22 +350,13 @@ pub fn (fs mut FlagParser) string_opt(name string, abbr byte, usage string) ?str
// else
// the default value is returned
// version with abbr
pub fn (fs mut FlagParser) string_(name string, abbr byte, sdefault string, usage string) string {
pub fn (fs mut FlagParser) string(name string, abbr byte, sdefault string, usage string) string {
value := fs.string_opt(name, abbr, usage) or {
return sdefault
}
return value
}
// defining and parsing a string flag
// if defined
// the value is returned (string)
// else
// the default value is returned
pub fn (fs mut FlagParser) string(name string, sdefault string, usage string) string {
return fs.string_(name, 0, sdefault, usage)
}
pub fn (fs mut FlagParser) limit_free_args_to_at_least(n int) {
if n > MAX_ARGS_NUMBER {
panic('flag.limit_free_args_to_at_least expect n to be smaller than $MAX_ARGS_NUMBER')
@ -522,4 +483,3 @@ pub fn (fs FlagParser) finalize() ?[]string {
}
return fs.args
}

94
vlib/flag/flag_test.v
View File

@ -3,10 +3,10 @@ import flag
fn test_if_flag_not_given_return_default_values() {
mut fp := flag.new_flag_parser([])
assert false == fp.bool('a_bool', false, '')
&& 42 == fp.int('an_int', 42, '')
&& 1.0 == fp.float('a_float', 1.0, '')
&& 'stuff' == fp.string('a_string', 'stuff', '')
assert false == fp.bool('a_bool', 0, false, '')
&& 42 == fp.int('an_int', 0, 42, '')
&& 1.0 == fp.float('a_float', 0, 1.0, '')
&& 'stuff' == fp.string('a_string', 0, 'stuff', '')
}
@ -24,7 +24,7 @@ fn test_could_define_application_name_and_version() {
fn test_bool_flags_do_not_need_an_value() {
mut fp := flag.new_flag_parser(['--a_bool'])
assert true == fp.bool('a_bool', false, '')
assert true == fp.bool('a_bool', 0, false, '')
}
fn test_flags_could_be_defined_with_eq() {
@ -35,11 +35,11 @@ fn test_flags_could_be_defined_with_eq() {
'--a_string=stuff',
'--a_bool=true'])
assert 42 == fp.int('an_int', 666, '')
&& true == fp.bool('a_bool', false, '')
&& true == fp.bool('bool_without', false, '')
&& 2.0 == fp.float('a_float', 1.0, '')
&& 'stuff' == fp.string('a_string', 'not_stuff', '')
assert 42 == fp.int('an_int', 0, 666, '')
&& true == fp.bool('a_bool', 0, false, '')
&& true == fp.bool('bool_without', 0, false, '')
&& 2.0 == fp.float('a_float', 0, 1.0, '')
&& 'stuff' == fp.string('a_string', 0, 'not_stuff', '')
}
fn test_values_could_be_defined_without_eq() {
@ -50,11 +50,11 @@ fn test_values_could_be_defined_without_eq() {
'--a_string', 'stuff',
'--a_bool', 'true'])
assert 42 == fp.int('an_int', 666, '')
&& true == fp.bool('a_bool', false, '')
&& true == fp.bool('bool_without', false, '')
&& 2.0 == fp.float('a_float', 1.0, '')
&& 'stuff' == fp.string('a_string', 'not_stuff', '')
assert 42 == fp.int('an_int', 0, 666, '')
&& true == fp.bool('a_bool', 0, false, '')
&& true == fp.bool('bool_without', 0, false, '')
&& 2.0 == fp.float('a_float', 0, 1.0, '')
&& 'stuff' == fp.string('a_string', 0, 'not_stuff', '')
}
fn test_values_could_be_defined_mixed() {
@ -65,11 +65,11 @@ fn test_values_could_be_defined_mixed() {
'--a_string', 'stuff',
'--a_bool=true'])
assert 42 == fp.int('an_int', 666, '')
&& true == fp.bool('a_bool', false, '')
&& true == fp.bool('bool_without', false, '')
&& 2.0 == fp.float('a_float', 1.0, '')
&& 'stuff' == fp.string('a_string', 'not_stuff', '')
assert 42 == fp.int('an_int', 0, 666, '')
&& true == fp.bool('a_bool', 0, false, '')
&& true == fp.bool('bool_without', 0, false, '')
&& 2.0 == fp.float('a_float', 0, 1.0, '')
&& 'stuff' == fp.string('a_string', 0, 'not_stuff', '')
}
fn test_beaware_for_argument_names_with_same_prefix() {
@ -78,8 +78,8 @@ fn test_beaware_for_argument_names_with_same_prefix() {
'--shorter=7'
])
assert 5 == fp.int('short', 666, '')
&& 7 == fp.int('shorter', 666, '')
assert 5 == fp.int('short', 0, 666, '')
&& 7 == fp.int('shorter', 0, 666, '')
}
fn test_beaware_for_argument_names_with_same_prefix_inverse() {
@ -88,8 +88,8 @@ fn test_beaware_for_argument_names_with_same_prefix_inverse() {
'--short', '5',
])
assert 5 == fp.int('short', 666, '')
&& 7 == fp.int('shorter', 666, '')
assert 5 == fp.int('short', 0, 666, '')
&& 7 == fp.int('shorter', 0, 666, '')
}
fn test_allow_to_skip_executable_path() {
@ -108,14 +108,14 @@ fn test_none_flag_arguments_are_allowed() {
mut fp := flag.new_flag_parser([
'file1', '--an_int=2', 'file2', 'file3', '--bool_without', 'file4', '--outfile', 'outfile'])
assert 2 == fp.int('an_int', 666, '')
&& 'outfile' == fp.string('outfile', 'bad', '')
&& true == fp.bool('bool_without', false, '')
assert 2 == fp.int('an_int', 0, 666, '')
&& 'outfile' == fp.string('outfile', 0, 'bad', '')
&& true == fp.bool('bool_without', 0, false, '')
}
fn test_finalize_returns_none_flag_arguments_ordered() {
mut fp := flag.new_flag_parser(['d', 'b', 'x', 'a', '--outfile', 'outfile'])
fp.string('outfile', 'bad', '')
fp.string('outfile', 0, 'bad', '')
finalized := fp.finalize() or {
assert false
@ -133,7 +133,7 @@ fn test_finalize_returns_none_flag_arguments_ordered() {
fn test_finalize_returns_error_for_unknown_flags() {
mut fp := flag.new_flag_parser(['--known', '--unknown'])
fp.bool('known', false, '')
fp.bool('known', 0, false, '')
finalized := fp.finalize() or {
assert err == 'Unknown argument \'unknown\''
@ -149,11 +149,11 @@ fn test_allow_to_build_usage_message() {
fp.version('v0.0.0')
fp.description('some short information about this tool')
fp.int('an_int', 666, 'some int to define')
fp.bool('a_bool', false, 'some bool to define')
fp.bool('bool_without_but_really_big', false, 'this should appear on the next line')
fp.float('a_float', 1.0, 'some float as well')
fp.string('a_string', 'not_stuff', 'your credit card number')
fp.int('an_int', 0, 666, 'some int to define')
fp.bool('a_bool', 0, false, 'some bool to define')
fp.bool('bool_without_but_really_big', 0, false, 'this should appear on the next line')
fp.float('a_float', 0, 1.0, 'some float as well')
fp.string('a_string', 0, 'not_stuff', 'your credit card number')
usage := fp.usage()
mut all_strings_found := true
@ -180,7 +180,7 @@ fn test_if_no_description_given_usage_message_does_not_contain_descpription() {
fp.application('flag_tool')
fp.version('v0.0.0')
fp.bool('a_bool', false, '')
fp.bool('a_bool', 0, false, '')
assert !fp.usage().contains('Description:')
}
@ -236,10 +236,10 @@ fn test_could_expect_no_free_args() {
fn test_allow_abreviations() {
mut fp := flag.new_flag_parser(['-v', '-o', 'some_file', '-i', '42', '-f', '2.0'])
v := fp.bool_('version', `v`, false, '')
o := fp.string_('output', `o`, 'empty', '')
i := fp.int_('count', `i`, 0, '')
f := fp.float_('value', `f`, 0.0, '')
v := fp.bool('version', `v`, false, '')
o := fp.string('output', `o`, 'empty', '')
i := fp.int('count', `i`, 0, '')
f := fp.float('value', `f`, 0.0, '')
assert v && o == 'some_file' && i == 42 && f == 2.0
@ -256,8 +256,8 @@ fn test_allow_kebab_options() {
mut fp := flag.new_flag_parser(['--my-long-flag', 'true', '--my-long-option', long_option_value ])
my_flag := fp.bool('my-long-flag', false, 'flag with long-kebab-name')
my_option := fp.string('my-long-option', default_value, 'string with long-kebab-name')
my_flag := fp.bool('my-long-flag', 0, false, 'flag with long-kebab-name')
my_option := fp.string('my-long-option', 0, default_value, 'string with long-kebab-name')
assert my_flag == true
assert my_option == long_option_value
@ -324,9 +324,9 @@ fn test_multiple_arguments() {
fn test_long_options_that_start_with_the_same_letter_as_another_short_option() {
mut fp := flag.new_flag_parser([
'--vabc', '/abc',
])
verbose := fp.bool_('verbose', `v`, false, 'Be more verbose.')
vabc := fp.string_('vabc', `x`, 'default', 'Another option that *may* conflict with v, but *should not*')
])
verbose := fp.bool('verbose', `v`, false, 'Be more verbose.')
vabc := fp.string('vabc', `x`, 'default', 'Another option that *may* conflict with v, but *should not*')
assert verbose == false
assert vabc == '/abc'
}
@ -335,9 +335,9 @@ fn test_long_options_that_start_with_the_same_letter_as_another_short_option_bot
mut fp := flag.new_flag_parser([
'-v',
'--vabc', '/abc',
])
verbose := fp.bool_('verbose', `v`, false, 'Be more verbose.')
vabc := fp.string_('vabc', `x`, 'default', 'Another option that *may* conflict with v, but *should not*')
])
verbose := fp.bool('verbose', `v`, false, 'Be more verbose.')
vabc := fp.string('vabc', `x`, 'default', 'Another option that *may* conflict with v, but *should not*')
assert verbose == true
assert vabc == '/abc'
}