coverity#1338271 Uncaught exception

Change-Id: Ib2b7617f9862b904bd3d5939800244c541eba8a5

helpcompiler/source/HelpIndexer_main.cxx

@@ -16,70 +16,79 @@
 
 #include "LuceneHelper.hxx"
 
-int main(int argc, char **argv) {
-    const std::string pLang("-lang");
-    const std::string pModule("-mod");
-    const std::string pDir("-dir");
+int main(int argc, char **argv)
+{
+    try
+    {
+        const std::string pLang("-lang");
+        const std::string pModule("-mod");
+        const std::string pDir("-dir");
 
-    std::string lang;
-    std::string module;
-    std::string dir;
+        std::string lang;
+        std::string module;
+        std::string dir;
 
-    bool error = false;
-    for (int i = 1; i < argc; ++i) {
-        if (pLang.compare(argv[i]) == 0) {
-            if (i + 1 < argc) {
-                lang = argv[++i];
+        bool error = false;
+        for (int i = 1; i < argc; ++i) {
+            if (pLang.compare(argv[i]) == 0) {
+                if (i + 1 < argc) {
+                    lang = argv[++i];
+                } else {
+                    error = true;
+                }
+            } else if (pModule.compare(argv[i]) == 0) {
+                if (i + 1 < argc) {
+                    module = argv[++i];
+                } else {
+                    error = true;
+                }
+            } else if (pDir.compare(argv[i]) == 0) {
+                if (i + 1 < argc) {
+                    dir = argv[++i];
+                } else {
+                    error = true;
+                }
             } else {
                 error = true;
             }
-        } else if (pModule.compare(argv[i]) == 0) {
-            if (i + 1 < argc) {
-                module = argv[++i];
-            } else {
-                error = true;
-            }
-        } else if (pDir.compare(argv[i]) == 0) {
-            if (i + 1 < argc) {
-                dir = argv[++i];
-            } else {
-                error = true;
-            }
-        } else {
-            error = true;
         }
-    }
 
-    if (error) {
-        std::cerr << "Error parsing command-line arguments" << std::endl;
-    }
+        if (error) {
+            std::cerr << "Error parsing command-line arguments" << std::endl;
+        }
 
-    if (error || lang.empty() || module.empty() || dir.empty()) {
-        std::cerr << "Usage: HelpIndexer -lang ISOLangCode -mod HelpModule -dir Dir" << std::endl;
-        return 1;
-    }
+        if (error || lang.empty() || module.empty() || dir.empty()) {
+            std::cerr << "Usage: HelpIndexer -lang ISOLangCode -mod HelpModule -dir Dir" << std::endl;
+            return 1;
+        }
 
-    OUString sDir;
+        OUString sDir;
 
-    osl::File::getFileURLFromSystemPath(
-        OUString(dir.c_str(), dir.size(), osl_getThreadTextEncoding()),
-        sDir);
+        osl::File::getFileURLFromSystemPath(
+            OUString(dir.c_str(), dir.size(), osl_getThreadTextEncoding()),
+            sDir);
 
-    OUString cwd;
-    osl_getProcessWorkingDir(&cwd.pData);
+        OUString cwd;
+        osl_getProcessWorkingDir(&cwd.pData);
 
-    osl::File::getAbsoluteFileURL(cwd, sDir, sDir);
+        osl::File::getAbsoluteFileURL(cwd, sDir, sDir);
 
-    HelpIndexer indexer(
-        OUString(lang.c_str(), lang.size(), osl_getThreadTextEncoding()),
-        OUString(module.c_str(), module.size(), osl_getThreadTextEncoding()),
-        sDir, sDir);
+        HelpIndexer indexer(
+            OUString(lang.c_str(), lang.size(), osl_getThreadTextEncoding()),
+            OUString(module.c_str(), module.size(), osl_getThreadTextEncoding()),
+            sDir, sDir);
 
-    if (!indexer.indexDocuments()) {
-        std::cerr << OUStringToOString(indexer.getErrorMessage(), osl_getThreadTextEncoding()).getStr()  << std::endl;
+        if (!indexer.indexDocuments()) {
+            std::cerr << OUStringToOString(indexer.getErrorMessage(), osl_getThreadTextEncoding()).getStr()  << std::endl;
+            return 2;
+        }
+        return 0;
+    }
+    catch (std::exception& e)
+    {
+        std::cerr << "failure: " << e.what() << std::endl;
         return 2;
     }
-    return 0;
 }
 
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