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https://github.com/clap-rs/clap
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9a4df32789
All of the conditional default values and conditional requirements (requried and requires) can now be used with YAML builders as well. Closes #764
102 lines
3 KiB
Rust
102 lines
3 KiB
Rust
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macro_rules! yaml_tuple2 {
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($a:ident, $v:ident, $c:ident) => {{
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if let Some(vec) = $v.as_vec() {
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for ys in vec {
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if let Some(tup) = ys.as_vec() {
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debug_assert_eq!(2, tup.len());
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$a = $a.$c(yaml_str!(tup[0]), yaml_str!(tup[1]));
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} else {
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panic!("Failed to convert YAML value to vec");
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}
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}
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} else {
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panic!("Failed to convert YAML value to vec");
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}
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$a
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}
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};
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}
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macro_rules! yaml_tuple3 {
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($a:ident, $v:ident, $c:ident) => {{
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if let Some(vec) = $v.as_vec() {
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for ys in vec {
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if let Some(tup) = ys.as_vec() {
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debug_assert_eq!(3, tup.len());
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$a = $a.$c(yaml_str!(tup[0]), yaml_opt_str!(tup[1]), yaml_str!(tup[2]));
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} else {
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panic!("Failed to convert YAML value to vec");
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}
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}
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} else {
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panic!("Failed to convert YAML value to vec");
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}
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$a
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}
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};
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}
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macro_rules! yaml_vec_or_str {
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($v:ident, $a:ident, $c:ident) => {{
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let maybe_vec = $v.as_vec();
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if let Some(vec) = maybe_vec {
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for ys in vec {
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if let Some(s) = ys.as_str() {
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$a = $a.$c(s);
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} else {
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panic!("Failed to convert YAML value {:?} to a string", ys);
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}
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}
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} else {
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if let Some(s) = $v.as_str() {
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$a = $a.$c(s);
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} else {
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panic!("Failed to convert YAML value {:?} to either a vec or string", $v);
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}
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}
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$a
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}
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};
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}
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macro_rules! yaml_opt_str {
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($v:expr) => {{
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if $v.is_null() {
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Some($v.as_str().unwrap_or_else(|| panic!("failed to convert YAML {:?} value to a string", $v)))
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} else {
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None
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}
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}};
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}
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macro_rules! yaml_str {
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($v:expr) => {{
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$v.as_str().unwrap_or_else(|| panic!("failed to convert YAML {:?} value to a string", $v))
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}};
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}
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macro_rules! yaml_to_str {
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($a:ident, $v:ident, $c:ident) => {{
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$a.$c(yaml_str!($v))
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}};
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}
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macro_rules! yaml_to_bool {
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($a:ident, $v:ident, $c:ident) => {{
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$a.$c($v.as_bool().unwrap_or_else(|| panic!("failed to convert YAML {:?} value to a string", $v)))
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}};
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}
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macro_rules! yaml_to_u64 {
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($a:ident, $v:ident, $c:ident) => {{
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$a.$c($v.as_i64().unwrap_or_else(|| panic!("failed to convert YAML {:?} value to a string", $v)) as u64)
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}};
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}
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macro_rules! yaml_to_usize {
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($a:ident, $v:ident, $c:ident) => {{
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$a.$c($v.as_i64().unwrap_or_else(|| panic!("failed to convert YAML {:?} value to a string", $v)) as usize)
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}};
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}
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