Preparation of the LibreOfficeKit for Windows

- not yet included in the make for windows

Change-Id: Iee31b0ed0c6545572295ce00a3bb0f909c428b5a
Reviewed-on: https://gerrit.libreoffice.org/12425
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

2 files changed, 107 insertions, 12 deletions

diff --git a/include/LibreOfficeKit/LibreOfficeKit.hxx b/include/LibreOfficeKit/LibreOfficeKit.hxx
index f61a4b824a2d..f1255f4a59eb 100644
--- a/include/LibreOfficeKit/LibreOfficeKit.hxx
+++ b/include/LibreOfficeKit/LibreOfficeKit.hxx
@@ -38,7 +38,7 @@ public:
 
     inline bool saveAs(const char* pUrl, const char* pFormat = NULL, const char* pFilterOptions = NULL)
     {
-        return mpDoc->pClass->saveAs(mpDoc, pUrl, pFormat, pFilterOptions);
+        return mpDoc->pClass->saveAs(mpDoc, pUrl, pFormat, pFilterOptions) != 0;
     }
 
     inline LibreOfficeKitDocument *get() { return mpDoc; }
diff --git a/include/LibreOfficeKit/LibreOfficeKitInit.h b/include/LibreOfficeKit/LibreOfficeKitInit.h
index 010ae9f56733..37a1fb5bfefc 100644
--- a/include/LibreOfficeKit/LibreOfficeKitInit.h
+++ b/include/LibreOfficeKit/LibreOfficeKitInit.h
@@ -17,22 +17,115 @@ extern "C"
 {
 #endif
 
-#if defined(__linux__) || defined (__FreeBSD_kernel__) || defined(_AIX)
+#if defined(__linux__) || defined (__FreeBSD_kernel__) || defined(_AIX) || defined(_WIN32)
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
-#include <dlfcn.h>
-#ifdef  _AIX
-#  include <sys/ldr.h>
+
+#ifndef _WIN32
+    #include "dlfcn.h"
+    #ifdef  _AIX
+    #  include <sys/ldr.h>
+    #endif
+    #define TARGET_LIB        "lib" "sofficeapp" ".so"
+    #define TARGET_MERGED_LIB "lib" "mergedlo" ".so"
+    #define SEPERATOR         '/'
+
+    void *_dlopen(const char *pFN)
+    {
+        return dlopen(pFN, RTLD_LAZY);
+    }
+
+
+    void *_dlsym(void *Hnd, const char *pName)
+    {
+        return dlsym(Hnd, pName);
+    }
+
+
+    int _dlclose(void *Hnd)
+    {
+        return dlclose(Hnd);
+    }
+
+    void extendUnoPath(const char *pPath)
+    {
+        (void)pPath;
+    }
+
+
+#else
+
+    #include <windows.h>
+    #define TARGET_LIB        "sofficeapp" ".dll"
+    #define TARGET_MERGED_LIB "mergedlo" ".dll"
+    #define SEPERATOR         '\\'
+    #define UNOPATH           "\\..\\URE\\bin"
+
+
+    void *_dlopen(const char *pFN)
+    {
+        return (void *) LoadLibrary(pFN);
+    }
+
+
+    void *_dlsym(void *Hnd, const char *pName)
+    {
+        return GetProcAddress((HINSTANCE) Hnd, pName);
+    }
+
+
+    int _dlclose(void *Hnd)
+    {
+        return FreeLibrary((HINSTANCE) Hnd);
+    }
+
+    void extendUnoPath(const char *pPath)
+    {
+        if (!pPath)
+            return;
+
+        char* sEnvPath = NULL;
+        DWORD  cChars = GetEnvironmentVariable("PATH", sEnvPath, 0);
+        if (cChars > 0)
+        {
+            sEnvPath = new char[cChars];
+            cChars = GetEnvironmentVariable("PATH", sEnvPath, cChars);
+            //If PATH is not set then it is no error
+            if (cChars == 0 && GetLastError() != ERROR_ENVVAR_NOT_FOUND)
+            {
+                delete[] sEnvPath;
+                return;
+            }
+        }
+        //prepare the new PATH. Add the Ure/bin directory at the front.
+        //note also adding ';'
+        char * sNewPath = new char[strlen(sEnvPath) + strlen(pPath) + strlen(UNOPATH) + 2];
+        sNewPath[0] = L'\0';
+        strcat(sNewPath, pPath);
+        strcat(sNewPath, UNOPATH);
+        if (strlen(sEnvPath))
+        {
+            strcat(sNewPath, ";");
+            strcat(sNewPath, sEnvPath);
+        }
+
+        SetEnvironmentVariable("PATH", sNewPath);
+
+        delete[] sEnvPath;
+        delete[] sNewPath;
+    }
 #endif
 
-#define TARGET_LIB        "lib" "sofficeapp" ".so"
-#define TARGET_MERGED_LIB "lib" "mergedlo" ".so"
+
+
+
 
 typedef LibreOfficeKit *(HookFunction)( const char *install_path);
 
+
 static LibreOfficeKit *lok_init( const char *install_path )
 {
     char *imp_lib;
@@ -54,15 +147,17 @@ static LibreOfficeKit *lok_init( const char *install_path )
 
     strcpy(imp_lib, install_path);
 
-    imp_lib[partial_length++] = '/';
+     extendUnoPath(install_path);
+
+    imp_lib[partial_length++] = SEPERATOR;
     strcpy(imp_lib + partial_length, TARGET_LIB);
 
-    dlhandle = dlopen(imp_lib, RTLD_LAZY);
+    dlhandle = _dlopen(imp_lib);
     if (!dlhandle)
     {
         strcpy(imp_lib + partial_length, TARGET_MERGED_LIB);
 
-        dlhandle = dlopen(imp_lib, RTLD_LAZY);
+        dlhandle = _dlopen(imp_lib);
         if (!dlhandle)
         {
             fprintf(stderr, "failed to open library '%s' or '%s' in '%s/'\n",
@@ -72,11 +167,11 @@ static LibreOfficeKit *lok_init( const char *install_path )
         }
     }
 
-    pSym = (HookFunction *) dlsym( dlhandle, "libreofficekit_hook" );
+    pSym = (HookFunction *) _dlsym( dlhandle, "libreofficekit_hook" );
     if (!pSym)
     {
         fprintf( stderr, "failed to find hook in library '%s'\n", imp_lib );
-        dlclose( dlhandle );
+        _dlclose( dlhandle );
         free( imp_lib );
         return NULL;
     }