// Resource.cc // Copyright (c) 2002 Henrik Kinnunen (fluxgen@linuxmail.org) // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. // $Id: Resource.cc,v 1.3 2002/07/20 09:51:26 fluxgen Exp $ #include "Resource.hh" #include "XrmDatabaseHelper.hh" #include <iostream> #include <cassert> using namespace std; bool ResourceManager::m_init = false; //-------- load ----------- // loads a resourcefile // returns true on success // else false //------------------------- bool ResourceManager::load(const char *filename) { assert(filename); ensureXrmIsInitialize(); XrmDatabaseHelper database; database = XrmGetFileDatabase(filename); if (database==0) return false; XrmValue value; char *value_type; //get list and go throu all the resources and load them ResourceList::iterator i = m_resourcelist.begin(); ResourceList::iterator i_end = m_resourcelist.end(); for (; i != i_end; ++i) { Resource_base *resource = *i; if (XrmGetResource(*database, resource->name().c_str(), resource->altName().c_str(), &value_type, &value)) resource->setFromString(value.addr); else { cerr<<"Failed to read: "<<resource->name()<<endl; cerr<<"Setting default value"<<endl; resource->setDefaultValue(); } } return true; } //-------------- save ----------------- // Saves all the resource to a file // returns 0 on success // else negative value representing // the error //------------------------------------- bool ResourceManager::save(const char *filename, const char *mergefilename) { assert(filename); ensureXrmIsInitialize(); XrmDatabaseHelper database; string rc_string; ResourceList::iterator i = m_resourcelist.begin(); ResourceList::iterator i_end = m_resourcelist.end(); //write all resources to database for (; i != i_end; ++i) { Resource_base *resource = *i; rc_string = resource->name() + string(": ") + resource->getString(); XrmPutLineResource(&*database, rc_string.c_str()); } if (database==0) return false; //check if we want to merge a database if (mergefilename) { XrmDatabaseHelper olddatabase(mergefilename); if (olddatabase == 0) // did we load the file? return false; XrmMergeDatabases(*database, &*olddatabase); // merge databases XrmPutFileDatabase(*olddatabase, filename); // save database to file *database = 0; // don't try to destroy the database } else // save database to file XrmPutFileDatabase(*database, filename); return true; } void ResourceManager::ensureXrmIsInitialize() { if (!m_init) { XrmInitialize(); m_init = true; } }