118 lines
3.5 KiB
C++
118 lines
3.5 KiB
C++
// Resource.cc
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// Copyright (c) 2002 Henrik Kinnunen (fluxgen@linuxmail.org)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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// $Id: Resource.cc,v 1.2 2002/02/04 06:47:34 fluxgen Exp $
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#include "Resource.hh"
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#include "XrmDatabaseHelper.hh"
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#include <iostream>
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#include <cassert>
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using namespace std;
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bool ResourceManager::m_init = false;
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//-------- load -----------
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// loads a resourcefile
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// returns true on success
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// else false
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//-------------------------
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bool ResourceManager::load(const char *filename) {
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assert(filename);
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ensureXrmIsInitialize();
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XrmDatabaseHelper database;
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database = XrmGetFileDatabase(filename);
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if (database==0)
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return false;
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XrmValue value;
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char *value_type;
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//get list and go throu all the resources and load them
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ResourceList::iterator i = m_resourcelist.begin();
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ResourceList::iterator i_end = m_resourcelist.end();
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for (; i != i_end; ++i) {
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Resource_base *resource = *i;
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if (XrmGetResource(*database, resource->getName().c_str(),
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resource->getAltName().c_str(), &value_type, &value))
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resource->setFromString(value.addr);
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else {
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cerr<<"Faild to read: "<<resource->getName()<<endl;
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cerr<<"Setting default value"<<endl;
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resource->setDefaultValue();
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}
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}
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return true;
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}
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//-------------- save -----------------
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// Saves all the resource to a file
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// returns 0 on success
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// else negative value representing
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// the error
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//-------------------------------------
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bool ResourceManager::save(const char *filename, const char *mergefilename) {
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assert(filename);
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ensureXrmIsInitialize();
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XrmDatabaseHelper database;
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string rc_string;
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ResourceList::iterator i = m_resourcelist.begin();
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ResourceList::iterator i_end = m_resourcelist.end();
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//write all resources to database
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for (; i != i_end; ++i) {
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Resource_base *resource = *i;
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rc_string = resource->getName() + string(": ") + resource->getString();
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XrmPutLineResource(&*database, rc_string.c_str());
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}
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if (database==0)
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return false;
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//check if we want to merge a database
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if (mergefilename) {
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XrmDatabaseHelper olddatabase(mergefilename);
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if (olddatabase == 0)
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return false;
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XrmMergeDatabases(*database, &*olddatabase);
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XrmPutFileDatabase(*olddatabase, filename); //save database to file
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*database=0; //don't try to destroy the database
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} else //save database to file
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XrmPutFileDatabase(*database, filename);
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return true;
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}
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void ResourceManager::ensureXrmIsInitialize() {
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if (!m_init) {
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XrmInitialize();
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m_init = true;
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}
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}
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