Simplify code which tests for non-empty StringParam

Signed-off-by: Stefan Weil <[email protected]>
tesseract-ocr · Mar 24, 2019 · b1e305f · b1e305f
1 parent f9860cd
commit b1e305f
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Showing 2 changed files with 9 additions and 14 deletions.
diff --git a/src/ccmain/tessedit.cpp b/src/ccmain/tessedit.cpp
@@ -4,7 +4,6 @@
  *              Now just code to load the language model and various
  *              engine-specific data files.
  * Author:      Ray Smith
- * Created:     Tue Jan 07 15:21:46 GMT 1992
  *
  * (C) Copyright 1992, Hewlett-Packard Ltd.
  ** Licensed under the Apache License, Version 2.0 (the "License");
@@ -155,7 +154,7 @@ bool Tesseract::init_tesseract_lang_data(
     }
   }
 
-  if (((STRING&)tessedit_write_params_to_file).length() > 0) {
+  if (!tessedit_write_params_to_file.empty()) {
     FILE* params_file = fopen(tessedit_write_params_to_file.string(), "wb");
     if (params_file != nullptr) {
       ParamUtils::PrintParams(params_file, this->params());

diff --git a/src/dict/dict.cpp b/src/dict/dict.cpp
@@ -251,11 +251,10 @@ void Dict::Load(const STRING& lang, TessdataManager* data_file) {
   }
 
   STRING name;
-  if (((STRING&)user_words_suffix).length() > 0 ||
-      ((STRING&)user_words_file).length() > 0) {
+  if (!user_words_suffix.empty() || !user_words_file.empty()) {
     Trie* trie_ptr = new Trie(DAWG_TYPE_WORD, lang, USER_DAWG_PERM,
                               getUnicharset().size(), dawg_debug_level);
-    if (((STRING&)user_words_file).length() > 0) {
+    if (!user_words_file.empty()) {
       name = user_words_file;
     } else {
       name = getCCUtil()->language_data_path_prefix;
@@ -270,12 +269,11 @@ void Dict::Load(const STRING& lang, TessdataManager* data_file) {
     }
   }
 
-  if (((STRING&)user_patterns_suffix).length() > 0 ||
-      ((STRING&)user_patterns_file).length() > 0) {
+  if (!user_patterns_suffix.empty() || !user_patterns_file.empty()) {
     Trie* trie_ptr = new Trie(DAWG_TYPE_PATTERN, lang, USER_PATTERN_PERM,
                               getUnicharset().size(), dawg_debug_level);
     trie_ptr->initialize_patterns(&(getUnicharset()));
-    if (((STRING&)user_patterns_file).length() > 0) {
+    if (!user_patterns_file.empty()) {
       name = user_patterns_file;
     } else {
       name = getCCUtil()->language_data_path_prefix;
@@ -320,11 +318,10 @@ void Dict::LoadLSTM(const STRING& lang, TessdataManager* data_file) {
   // stolen from Dict::Load (but needs params_ from Tesseract
   // langdata/config/api):
   STRING name;
-  if (((STRING&)user_words_suffix).length() > 0 ||
-      ((STRING&)user_words_file).length() > 0) {
+  if (!user_words_suffix.empty() || !user_words_file.empty()) {
     Trie* trie_ptr = new Trie(DAWG_TYPE_WORD, lang, USER_DAWG_PERM,
                               getUnicharset().size(), dawg_debug_level);
-    if (((STRING&)user_words_file).length() > 0) {
+    if (!user_words_file.empty()) {
       name = user_words_file;
     } else {
       name = getCCUtil()->language_data_path_prefix;
@@ -339,12 +336,11 @@ void Dict::LoadLSTM(const STRING& lang, TessdataManager* data_file) {
     }
   }
 
-  if (((STRING&)user_patterns_suffix).length() > 0 ||
-      ((STRING&)user_patterns_file).length() > 0) {
+  if (!user_patterns_suffix.empty() || !user_patterns_file.empty()) {
     Trie* trie_ptr = new Trie(DAWG_TYPE_PATTERN, lang, USER_PATTERN_PERM,
                               getUnicharset().size(), dawg_debug_level);
     trie_ptr->initialize_patterns(&(getUnicharset()));
-    if (((STRING&)user_patterns_file).length() > 0) {
+    if (!user_patterns_file.empty()) {
       name = user_patterns_file;
     } else {
       name = getCCUtil()->language_data_path_prefix;