use heck to force camel case format on Visitor ident

issue #77

yaserde/tests/deserializer.rs

@@ -46,6 +46,39 @@ fn de_basic() {
   );
 }
 
+#[test]
+fn de_dash_param() {
+  #[derive(YaDeserialize, PartialEq, Debug)]
+  #[yaserde(root = "book")]
+  pub struct Book {
+    #[yaserde(rename = "author-release")]
+    author: String,
+    title: String,
+  }
+
+  let content =
+    "<book><author-release>Antoine de Saint-Exupéry</author-release><title>Little prince</title></book>";
+  convert_and_validate!(
+    content,
+    Book,
+    Book {
+      author: String::from("Antoine de Saint-Exupéry"),
+      title: String::from("Little prince"),
+    }
+  );
+
+  let content =
+    "<book><title>Little prince</title><author-release>Antoine de Saint-Exupéry</author-release></book>";
+  convert_and_validate!(
+    content,
+    Book,
+    Book {
+      author: String::from("Antoine de Saint-Exupéry"),
+      title: String::from("Little prince"),
+    }
+  );
+}
+
 #[test]
 fn de_multiple_segments() {
   mod other_mod {

yaserde_derive/Cargo.toml

@@ -12,6 +12,7 @@ readme = "../README.md"
 edition = "2018"
 
 [dependencies]
+heck = "0.3.1"
 syn = { version = "~1.0", features = ["visit", "extra-traits"] }
 proc-macro2 = "~1.0"
 quote = "~1.0"

yaserde_derive/src/common/field.rs

@@ -1,4 +1,5 @@
 use crate::common::attribute::YaSerdeAttribute;
+use heck::CamelCase;
 use proc_macro2::Span;
 use proc_macro2::{Ident, TokenStream};
 use std::fmt;
@@ -84,7 +85,7 @@ impl YaSerdeField {
     );
 
     Ident::new(
-      &format!("__Visitor_{}_{}", label.replace(".", "_"), struct_id),
+      &format!("__Visitor_{}_{}", label.replace(".", "_").to_camel_case(), struct_id),
       self.get_span(),
     )
   }

yaserde_derive/src/de/expand_struct.rs

@@ -1,5 +1,6 @@
 use crate::common::{Field, YaSerdeAttribute, YaSerdeField};
 use crate::de::build_default_value::build_default_value;
+use heck::CamelCase;
 use proc_macro2::{Span, TokenStream};
 use syn::{DataStruct, Ident};
 
@@ -447,7 +448,7 @@ fn build_visitor_ident(label: &str, span: Span, struct_name: Option<&syn::Path>)
   );
 
   Ident::new(
-    &format!("__Visitor_{}_{}", label.replace(".", "_"), struct_id),
+    &format!("__Visitor_{}_{}", label.replace(".", "_").to_camel_case(), struct_id),
     span,
   )
 }