fix: ocrlang argument not working (#1742)

Author: hrideshmg

src/rust/lib_ccxr/src/common/options.rs

@@ -452,7 +452,7 @@ pub struct Options {
     /// The name of the language stream for DVB
     pub dvblang: Option<Language>,
     /// The name of the .traineddata file to be loaded with tesseract
-    pub ocrlang: PathBuf,
+    pub ocrlang: Option<Language>,
     /// The Tesseract OEM mode, could be 0 (default), 1 or 2
     pub ocr_oem: i8,
     /// The Tesseract PSM mode, could be between 0 and 13. 3 is tesseract default

src/rust/src/common.rs

@@ -150,8 +150,8 @@ pub unsafe fn copy_from_rust(ccx_s_options: *mut ccx_s_options, options: Options
     if let Some(dvblang) = options.dvblang {
         (*ccx_s_options).dvblang = string_to_c_char(dvblang.to_ctype().as_str());
     }
-    if options.ocrlang.try_exists().unwrap_or_default() {
-        (*ccx_s_options).ocrlang = string_to_c_char(options.ocrlang.to_str().unwrap());
+    if let Some(ocrlang) = options.ocrlang {
+        (*ccx_s_options).ocrlang = string_to_c_char(ocrlang.to_ctype().as_str());
     }
     (*ccx_s_options).ocr_oem = options.ocr_oem as _;
     (*ccx_s_options).ocr_quantmode = options.ocr_quantmode as _;

src/rust/src/parser.rs

@@ -767,7 +767,7 @@ impl OptionsExt for Options {
         }
 
         if let Some(ref ocrlang) = args.ocrlang {
-            self.ocrlang = PathBuf::from_str(ocrlang.as_str()).unwrap_or_default();
+            self.ocrlang = Some(Language::from_str(ocrlang.as_str()).unwrap());
         }
 
         if let Some(ref quant) = args.quant {