moved loadICUExternalTables code to stringTools so it can be used by kiwix-serve

src/common/kiwix/searcher.cpp

@@ -34,16 +34,7 @@ namespace kiwix {
     resultRange(20)
      {
         template_ct2 = getResourceAsString("results.ct2");
-#ifdef __APPLE__
+        loadICUExternalTables();
-        string executablePath = getExecutablePath();
-        string executableDirectory = removeLastPathElement(executablePath);
-        string datPath = computeAbsolutePath(executableDirectory, "icudt49l.dat");
-        try {
-            u_setDataDirectory(datPath.c_str());
-        } catch (exception &e) {
-            std::cerr << e.what() << std::endl;
-        }
-#endif
 
   }
 

src/common/stringTools.cpp

@@ -19,6 +19,20 @@
 
 #include "stringTools.h"
 
+/* tell ICU where to find its dat file (tables) */
+void kiwix::loadICUExternalTables() {
+#ifdef __APPLE__
+    std::string executablePath = getExecutablePath();
+    std::string executableDirectory = removeLastPathElement(executablePath);
+    std::string datPath = computeAbsolutePath(executableDirectory, "icudt49l.dat");
+    try {
+        u_setDataDirectory(datPath.c_str());
+    } catch (exception &e) {
+        std::cerr << e.what() << std::endl;
+    }
+#endif
+}
+
 #ifndef __ANDROID__
 
 /* Prepare integer for display */
@@ -37,6 +51,7 @@ std::string kiwix::beautifyInteger(const unsigned int number) {
 }
 
 std::string kiwix::removeAccents(const std::string &text) {
+  loadICUExternalTables();
   ucnv_setDefaultName("UTF-8");
   UErrorCode status = U_ZERO_ERROR;
   Transliterator *removeAccentsTrans = Transliterator::createInstance("Lower; NFD; [:M:] remove; NFC", UTRANS_FORWARD, status);

src/common/stringTools.h

@@ -35,6 +35,8 @@
 #include <fstream>
 #include <sstream>
 
+#include <pathTools.h>
+
 namespace kiwix {
 
 #ifndef __ANDROID__
@@ -48,6 +50,7 @@ namespace kiwix {
 
 #endif
 
+  void loadICUExternalTables();
   std::string urlDecode(const std::string &c);
 
   std::vector<std::string> split(const std::string&, const std::string&);