277 lines
6.1 KiB
C++
277 lines
6.1 KiB
C++
/***************************************************************************
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* Copyright (C) 04/2006 by Olaf Rempel *
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* razzor@kopf-tisch.de *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "config.h"
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#include "logging.h"
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#define BUFSIZE 1024
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/* ------ */
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Config::Tupel::Tupel(const char* name_, const char* value_)
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{
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name = strdup(name_);
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value = strdup(value_);
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}
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Config::Tupel::~Tupel()
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{
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free((char*)name);
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free((char*)value);
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}
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/* ------ */
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Config::Section::Section(const char* name_)
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{
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name = strdup(name_);
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}
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Config::Section::~Section()
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{
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while (!tupelList.isEmpty())
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delete tupelList.get();
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free((char*)name);
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}
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bool Config::Section::addTupel(const char* name, const char* value)
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{
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if (!name || !value)
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return false;
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Tupel* t = new Tupel(name, value);
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tupelList.add(t);
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return true;
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}
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void Config::Section::show()
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{
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Iterator<Tupel>* it = tupelList.createIterator();
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LogSystem::log(LOG_INFO, "[%s]", name);
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while (it->hasNext()) {
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Tupel* t = it->next();
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LogSystem::log(LOG_INFO, " %s = %s", t->name, t->value);
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}
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delete it;
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}
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const char* Config::Section::getTupelValue(const char* name)
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{
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const char* retval = 0;
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Iterator<Tupel>* it = this->tupelList.createIterator();
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while (it->hasNext()) {
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Tupel* t = it->next();
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if (!strcmp(t->name, name)) {
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retval = t->value;
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break;
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}
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}
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delete it;
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return retval;
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}
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/* ------ */
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Config::Section::SectionIterator::SectionIterator(Section* section, const char* name)
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: nexttup(0), name(name)
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{
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it = section->tupelList.createIterator();
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}
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Config::Section::SectionIterator::~SectionIterator()
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{
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delete it;
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}
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bool Config::Section::SectionIterator::hasNext()
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{
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while (it->hasNext()) {
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nexttup = it->next();
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if (!strcmp(nexttup->name, name))
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return true;
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}
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return false;
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}
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char* Config::Section::SectionIterator::next()
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{
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return (char*)nexttup->value;
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}
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void Config::Section::SectionIterator::reset()
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{
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it->reset();
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nexttup = 0;
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}
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/* ------ */
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Config::~Config()
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{
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while (!sectionList.isEmpty())
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delete sectionList.get();
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}
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Config::Section* Config::addSection(const char* name)
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{
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Section* s = new Section(name);
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sectionList.add(s);
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return s;
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}
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bool Config::parseFile(const char* name)
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{
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Section* section = 0;
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FILE *fz;
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int i = 0;
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char *row, *tok, *tok2;
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bool ret = true;
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row = new char[BUFSIZE];
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if (!row) {
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LogSystem::log(LOG_ERROR, "config_parse(): out of memory()");
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return false;
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}
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if (!(fz = fopen(name, "r"))) {
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LogSystem::log(LOG_ERROR, "config_parse(): can not open %s", name);
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delete [] row;
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return false;
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}
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while (fgets(row, BUFSIZE, fz)) {
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i++;
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/* kommentar oder leere zeile */
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if (row[0] == '#' || row[0] <= ' ') {
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continue;
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/* neue section */
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} else if (row[0] == '[') {
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tok = strtok(row +1, " ]\n");
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section = addSection(tok);
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if (!section) {
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LogSystem::log(LOG_WARN, "config_parse(): invalid section in row %d", i);
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ret = false;
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break;
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}
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continue;
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/* option, aber es gab noch keine section */
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} else if (!section) {
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LogSystem::log(LOG_WARN, "config_parse(): missing section in row %d", i);
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ret = false;
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break;
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}
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/* option */
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if ((tok = strtok(row, " \n"))) {
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while ((tok2 = strtok(NULL, " \n"))) {
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if (!section->addTupel(tok, tok2))
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LogSystem::log(LOG_WARN, "config_parse(): invalid row %d", i);
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}
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}
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}
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fclose(fz);
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delete [] row;
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return ret;
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}
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void Config::show()
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{
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LogSystem::log(LOG_INFO, "Config Dump:");
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Iterator<Section>* it = sectionList.createIterator();
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while (it->hasNext())
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it->next()->show();
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delete it;
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}
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Config::Section* Config::getSection(const char* name)
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{
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Section* retval = 0;
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Iterator<Section>* it = sectionList.createIterator();
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while (it->hasNext()) {
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Section* s = it->next();
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if (!strcmp(s->name, name)) {
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retval = s;
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break;
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}
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}
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delete it;
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return retval;
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}
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const char* Config::getParameter(const char* section, const char* option)
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{
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Section* s = getSection(section);
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return s ? s->getTupelValue(option) : 0;
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}
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const char* Config::getString(const char* section, const char* option, char* def)
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{
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const char* retval = getParameter(section, option);
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if (!retval) {
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LogSystem::log(LOG_NOTICE,
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"Config: [%s:%s] not found => using '%s'",
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section, option, def);
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return def;
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}
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return retval;
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}
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int Config::getInteger(const char* section, const char* option, int def)
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{
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const char* retval = getParameter(section, option);
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if (!retval) {
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LogSystem::log(LOG_NOTICE,
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"Config: [%s:%s] not found => using '%d'",
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section, option, def);
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return def;
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}
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return atoi(retval);
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}
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Iterator<char>* Config::createIterator(const char* section, const char* name)
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{
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Section* s = getSection(section);
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if (!s) {
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LogSystem::log(LOG_NOTICE,"Config: [%s:%s] not found",
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section, name);
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return new NullIterator<char>();
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} else {
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return new Config::Section::SectionIterator(s, name);
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}
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}
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