feat: replace `--pinyin` flag with generic `--post="+pinyin"` option

1 files changed, 25 insertions, 0 deletions

diff --git a/src/post_proc.rs b/src/post_proc.rs
new file mode 100644
index 0000000..d8dfa74
--- /dev/null
+++ b/src/post_proc.rs
@@ -0,0 +1,25 @@
+mod r#trait;
+pub use r#trait::*;
+
+pub mod pinyin;
+
+/// Look up a processor by name and run it.
+pub fn run(text: &str, name: &str, args: &[&str]) -> Option<String> {
+    macro_rules! match_processor {
+        ($($processor:ty),+ $(,)?) => {
+            match name {
+                $(
+                    n if n == <$processor as TextPostProcesser>::processer_name() => {
+                        Some(<$processor as TextPostProcesser>::process(args, text))
+                    }
+                )+
+                _ => None,
+            }
+        };
+    }
+
+    match_processor!(
+        // +pinyin
+        crate::post_proc::pinyin::PinyinPostProcesser,
+    )
+}