1 files changed, 109 insertions, 0 deletions
diff --git a/clap/src/args/macros.rs b/clap/src/args/macros.rs
new file mode 100644
index 0000000..1de12f4
--- /dev/null
+++ b/clap/src/args/macros.rs
@@ -0,0 +1,109 @@
+#[cfg(feature = "yaml")]
+macro_rules! yaml_tuple2 {
+    ($a:ident, $v:ident, $c:ident) => {{
+            if let Some(vec) = $v.as_vec() {
+                for ys in vec {
+                    if let Some(tup) = ys.as_vec() {
+                        debug_assert_eq!(2, tup.len());
+                        $a = $a.$c(yaml_str!(tup[0]), yaml_str!(tup[1]));
+                    } else {
+                        panic!("Failed to convert YAML value to vec");
+                    }
+                }
+            } else {
+                panic!("Failed to convert YAML value to vec");
+            }
+            $a
+        }
+    };
+}
+
+#[cfg(feature = "yaml")]
+macro_rules! yaml_tuple3 {
+    ($a:ident, $v:ident, $c:ident) => {{
+            if let Some(vec) = $v.as_vec() {
+                for ys in vec {
+                    if let Some(tup) = ys.as_vec() {
+                        debug_assert_eq!(3, tup.len());
+                        $a = $a.$c(yaml_str!(tup[0]), yaml_opt_str!(tup[1]), yaml_str!(tup[2]));
+                    } else {
+                        panic!("Failed to convert YAML value to vec");
+                    }
+                }
+            } else {
+                panic!("Failed to convert YAML value to vec");
+            }
+            $a
+        }
+    };
+}
+
+#[cfg(feature = "yaml")]
+macro_rules! yaml_vec_or_str {
+    ($v:ident, $a:ident, $c:ident) => {{
+            let maybe_vec = $v.as_vec();
+            if let Some(vec) = maybe_vec {
+                for ys in vec {
+                    if let Some(s) = ys.as_str() {
+                        $a = $a.$c(s);
+                    } else {
+                        panic!("Failed to convert YAML value {:?} to a string", ys);
+                    }
+                }
+            } else {
+                if let Some(s) = $v.as_str() {
+                    $a = $a.$c(s);
+                } else {
+                    panic!("Failed to convert YAML value {:?} to either a vec or string", $v);
+                }
+            }
+            $a
+        }
+    };
+}
+
+#[cfg(feature = "yaml")]
+macro_rules! yaml_opt_str {
+    ($v:expr) => {{
+        if $v.is_null() {
+            Some($v.as_str().unwrap_or_else(|| panic!("failed to convert YAML {:?} value to a string", $v)))
+        } else {
+            None
+        }
+    }};
+}
+
+#[cfg(feature = "yaml")]
+macro_rules! yaml_str {
+    ($v:expr) => {{
+        $v.as_str().unwrap_or_else(|| panic!("failed to convert YAML {:?} value to a string", $v))
+    }};
+}
+
+#[cfg(feature = "yaml")]
+macro_rules! yaml_to_str {
+    ($a:ident, $v:ident, $c:ident) => {{
+        $a.$c(yaml_str!($v))
+    }};
+}
+
+#[cfg(feature = "yaml")]
+macro_rules! yaml_to_bool {
+    ($a:ident, $v:ident, $c:ident) => {{
+        $a.$c($v.as_bool().unwrap_or_else(|| panic!("failed to convert YAML {:?} value to a string", $v)))
+    }};
+}
+
+#[cfg(feature = "yaml")]
+macro_rules! yaml_to_u64 {
+    ($a:ident, $v:ident, $c:ident) => {{
+        $a.$c($v.as_i64().unwrap_or_else(|| panic!("failed to convert YAML {:?} value to a string", $v)) as u64)
+    }};
+}
+
+#[cfg(feature = "yaml")]
+macro_rules! yaml_to_usize {
+    ($a:ident, $v:ident, $c:ident) => {{
+        $a.$c($v.as_i64().unwrap_or_else(|| panic!("failed to convert YAML {:?} value to a string", $v)) as usize)
+    }};
+}