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/******************************************************************************
*
* swconfig.cpp - used for saving and retrieval of configuration
* information
*
* $Id: swconfig.cpp 2980 2013-09-14 21:51:47Z scribe $
*
* Copyright 1998-2013 CrossWire Bible Society (http://www.crosswire.org)
* CrossWire Bible Society
* P. O. Box 2528
* Tempe, AZ 85280-2528
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation version 2.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
*/
#include <swconfig.h>
#include <utilstr.h>
#include <filemgr.h>
#include <fcntl.h>
SWORD_NAMESPACE_START
SWConfig::SWConfig() {
}
SWConfig::SWConfig(const char * ifilename) {
filename = ifilename;
Load();
}
SWConfig::~SWConfig() {
}
void SWConfig::Load() {
if (!filename.size()) return; // assert we have a filename
FileDesc *cfile;
char *buf, *data;
SWBuf line;
ConfigEntMap cursect;
SWBuf sectname;
bool first = true;
Sections.erase(Sections.begin(), Sections.end());
cfile = FileMgr::getSystemFileMgr()->open(filename.c_str(), FileMgr::RDONLY);
if (cfile->getFd() > 0) {
bool goodLine = FileMgr::getLine(cfile, line);
// clean UTF encoding tags at start of file
while (goodLine && line.length() &&
((((unsigned char)line[0]) == 0xEF) ||
(((unsigned char)line[0]) == 0xBB) ||
(((unsigned char)line[0]) == 0xBF))) {
line << 1;
}
while (goodLine) {
// ignore commented lines
if (!line.startsWith("#")) {
buf = new char [ line.length() + 1 ];
strcpy(buf, line.c_str());
if (*strstrip(buf) == '[') {
if (!first)
Sections.insert(SectionMap::value_type(sectname, cursect));
else first = false;
cursect.erase(cursect.begin(), cursect.end());
strtok(buf, "]");
sectname = buf+1;
}
else {
strtok(buf, "=");
if ((*buf) && (*buf != '=')) {
if ((data = strtok(NULL, "")))
cursect.insert(ConfigEntMap::value_type(buf, strstrip(data)));
else cursect.insert(ConfigEntMap::value_type(buf, ""));
}
}
delete [] buf;
}
goodLine = FileMgr::getLine(cfile, line);
}
if (!first)
Sections.insert(SectionMap::value_type(sectname, cursect));
FileMgr::getSystemFileMgr()->close(cfile);
}
}
void SWConfig::Save() {
if (!filename.size()) return; // assert we have a filename
FileDesc *cfile;
SWBuf buf;
SectionMap::iterator sit;
ConfigEntMap::iterator entry;
SWBuf sectname;
cfile = FileMgr::getSystemFileMgr()->open(filename.c_str(), FileMgr::RDWR|FileMgr::CREAT|FileMgr::TRUNC);
if (cfile->getFd() > 0) {
for (sit = Sections.begin(); sit != Sections.end(); sit++) {
buf = "\n[";
buf += (*sit).first.c_str();
buf += "]\n";
cfile->write(buf.c_str(), buf.length());
for (entry = (*sit).second.begin(); entry != (*sit).second.end(); entry++) {
buf = (*entry).first.c_str();
buf += "=";
buf += (*entry).second.c_str();
buf += "\n";
cfile->write(buf.c_str(), buf.length());
}
}
buf = "\n";
cfile->write(buf.c_str(), buf.length());
FileMgr::getSystemFileMgr()->close(cfile);
}
}
void SWConfig::augment(SWConfig &addFrom) {
SectionMap::iterator section;
ConfigEntMap::iterator entry, start, end;
for (section = addFrom.Sections.begin(); section != addFrom.Sections.end(); section++) {
for (entry = (*section).second.begin(); entry != (*section).second.end(); entry++) {
start = Sections[section->first].lower_bound(entry->first);
end = Sections[section->first].upper_bound(entry->first);
if (start != end) {
if (((++start) != end)
|| ((++(addFrom.Sections[section->first].lower_bound(entry->first))) != addFrom.Sections[section->first].upper_bound(entry->first))) {
for (--start; start != end; start++) {
if (!strcmp(start->second.c_str(), entry->second.c_str()))
break;
}
if (start == end)
Sections[(*section).first].insert(ConfigEntMap::value_type((*entry).first, (*entry).second));
}
else Sections[section->first][entry->first.c_str()] = entry->second.c_str();
}
else Sections[section->first][entry->first.c_str()] = entry->second.c_str();
}
}
}
ConfigEntMap & SWConfig::operator [] (const char *section) {
return Sections[section];
}
SWORD_NAMESPACE_END
|
