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3d961e4767
hostname on each connection. This allows the client to startup without being able to resolve the server's hostname. It also lets it handle changes in the server's address, a typical scenario when the client is a laptop moving between networks.
1175 lines
26 KiB
C++
1175 lines
26 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2002 Chris Schoeneman
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package 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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#include "CConfig.h"
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#include "KeyTypes.h"
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#include "XSocket.h"
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#include "stdistream.h"
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#include "stdostream.h"
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#include <stdlib.h>
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//
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// CConfig
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//
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CConfig::CConfig()
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{
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// do nothing
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}
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CConfig::~CConfig()
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{
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// do nothing
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}
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bool
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CConfig::addScreen(const CString& name)
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{
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// alias name must not exist
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if (m_nameToCanonicalName.find(name) != m_nameToCanonicalName.end()) {
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return false;
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}
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// add cell
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m_map.insert(std::make_pair(name, CCell()));
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// add name
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m_nameToCanonicalName.insert(std::make_pair(name, name));
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return true;
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}
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bool
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CConfig::renameScreen(const CString& oldName,
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const CString& newName)
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{
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// get canonical name and find cell
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CString oldCanonical = getCanonicalName(oldName);
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CCellMap::iterator index = m_map.find(oldCanonical);
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if (index == m_map.end()) {
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return false;
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}
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// accept if names are equal but replace with new name to maintain
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// case. otherwise, the new name must not exist.
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if (!CStringUtil::CaselessCmp::equal(oldName, newName) &&
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m_nameToCanonicalName.find(newName) != m_nameToCanonicalName.end()) {
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return false;
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}
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// update cell
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CCell tmpCell = index->second;
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m_map.erase(index);
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m_map.insert(std::make_pair(newName, tmpCell));
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// update name
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m_nameToCanonicalName.erase(oldCanonical);
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m_nameToCanonicalName.insert(std::make_pair(newName, newName));
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// update connections
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for (index = m_map.begin(); index != m_map.end(); ++index) {
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for (UInt32 i = 0; i < kNumDirections; ++i) {
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if (CStringUtil::CaselessCmp::equal(getCanonicalName(
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index->second.m_neighbor[i]), oldCanonical)) {
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index->second.m_neighbor[i] = newName;
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}
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}
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}
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// update alias targets
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if (CStringUtil::CaselessCmp::equal(oldName, oldCanonical)) {
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for (CNameMap::iterator index = m_nameToCanonicalName.begin();
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index != m_nameToCanonicalName.end(); ++index) {
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if (CStringUtil::CaselessCmp::equal(
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index->second, oldCanonical)) {
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index->second = newName;
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}
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}
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}
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return true;
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}
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void
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CConfig::removeScreen(const CString& name)
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{
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// get canonical name and find cell
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CString canonical = getCanonicalName(name);
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CCellMap::iterator index = m_map.find(canonical);
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if (index == m_map.end()) {
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return;
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}
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// remove from map
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m_map.erase(index);
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// disconnect
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for (index = m_map.begin(); index != m_map.end(); ++index) {
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CCell& cell = index->second;
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for (UInt32 i = 0; i < kNumDirections; ++i) {
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if (getCanonicalName(cell.m_neighbor[i]) == canonical) {
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cell.m_neighbor[i].erase();
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}
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}
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}
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// remove aliases (and canonical name)
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for (CNameMap::iterator index = m_nameToCanonicalName.begin();
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index != m_nameToCanonicalName.end(); ) {
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if (index->second == canonical) {
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m_nameToCanonicalName.erase(index++);
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}
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else {
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++index;
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}
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}
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}
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void
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CConfig::removeAllScreens()
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{
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m_map.clear();
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m_nameToCanonicalName.clear();
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}
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bool
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CConfig::addAlias(const CString& canonical, const CString& alias)
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{
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// alias name must not exist
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if (m_nameToCanonicalName.find(alias) != m_nameToCanonicalName.end()) {
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return false;
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}
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// canonical name must be known
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if (m_map.find(canonical) == m_map.end()) {
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return false;
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}
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// insert alias
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m_nameToCanonicalName.insert(std::make_pair(alias, canonical));
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return true;
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}
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bool
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CConfig::removeAlias(const CString& alias)
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{
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// must not be a canonical name
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if (m_map.find(alias) != m_map.end()) {
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return false;
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}
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// find alias
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CNameMap::iterator index = m_nameToCanonicalName.find(alias);
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if (index == m_nameToCanonicalName.end()) {
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return false;
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}
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// remove alias
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m_nameToCanonicalName.erase(index);
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return true;
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}
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void
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CConfig::removeAllAliases()
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{
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// remove all names
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m_nameToCanonicalName.clear();
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// put the canonical names back in
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for (CCellMap::iterator index = m_map.begin();
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index != m_map.end(); ++index) {
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m_nameToCanonicalName.insert(
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std::make_pair(index->first, index->first));
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}
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}
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bool
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CConfig::connect(const CString& srcName,
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EDirection srcSide, const CString& dstName)
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{
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assert(srcSide >= kFirstDirection && srcSide <= kLastDirection);
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// find source cell
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CCellMap::iterator index = m_map.find(getCanonicalName(srcName));
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if (index == m_map.end()) {
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return false;
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}
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// connect side (overriding any previous connection). we
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// canonicalize in getNeighbor() instead of here because the
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// destination name doesn't have to exist yet.
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index->second.m_neighbor[srcSide - kFirstDirection] = dstName;
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return true;
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}
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bool
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CConfig::disconnect(const CString& srcName, EDirection srcSide)
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{
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assert(srcSide >= kFirstDirection && srcSide <= kLastDirection);
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// find source cell
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CCellMap::iterator index = m_map.find(srcName);
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if (index == m_map.end()) {
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return false;
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}
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// disconnect side
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index->second.m_neighbor[srcSide - kFirstDirection].erase();
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return true;
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}
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void
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CConfig::setSynergyAddress(const CNetworkAddress& addr)
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{
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m_synergyAddress = addr;
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}
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bool
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CConfig::addOption(const CString& name, OptionID option, OptionValue value)
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{
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// find options
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CScreenOptions* options = NULL;
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if (name.empty()) {
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options = &m_globalOptions;
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}
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else {
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CCellMap::iterator index = m_map.find(name);
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if (index != m_map.end()) {
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options = &index->second.m_options;
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}
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}
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if (options == NULL) {
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return false;
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}
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// add option
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options->insert(std::make_pair(option, value));
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return true;
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}
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bool
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CConfig::removeOption(const CString& name, OptionID option)
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{
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// find options
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CScreenOptions* options = NULL;
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if (name.empty()) {
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options = &m_globalOptions;
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}
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else {
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CCellMap::iterator index = m_map.find(name);
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if (index != m_map.end()) {
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options = &index->second.m_options;
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}
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}
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if (options == NULL) {
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return false;
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}
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// remove option
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options->erase(option);
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return true;
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}
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bool
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CConfig::removeOptions(const CString& name)
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{
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// find options
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CScreenOptions* options = NULL;
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if (name.empty()) {
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options = &m_globalOptions;
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}
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else {
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CCellMap::iterator index = m_map.find(name);
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if (index != m_map.end()) {
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options = &index->second.m_options;
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}
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}
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if (options == NULL) {
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return false;
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}
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// remove options
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options->clear();
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return true;
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}
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bool
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CConfig::isValidScreenName(const CString& name) const
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{
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// name is valid if matches validname
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// name ::= [_A-Za-z0-9] | [_A-Za-z0-9][-_A-Za-z0-9]*[_A-Za-z0-9]
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// domain ::= . name
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// validname ::= name domain*
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// we also accept names ending in . because many OS X users have
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// so misconfigured their systems.
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// empty name is invalid
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if (name.empty()) {
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return false;
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}
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// check each dot separated part
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CString::size_type b = 0;
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for (;;) {
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// accept trailing .
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if (b == name.size()) {
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break;
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}
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// find end of part
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CString::size_type e = name.find('.', b);
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if (e == CString::npos) {
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e = name.size();
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}
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// part may not be empty
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if (e - b < 1) {
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return false;
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}
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// check first and last characters
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if (!(isalnum(name[b]) || name[b] == '_') ||
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!(isalnum(name[e - 1]) || name[e - 1] == '_')) {
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return false;
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}
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// check interior characters
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for (CString::size_type i = b; i < e; ++i) {
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if (!isalnum(name[i]) && name[i] != '_' && name[i] != '-') {
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return false;
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}
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}
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// next part
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if (e == name.size()) {
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// no more parts
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break;
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}
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b = e + 1;
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}
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return true;
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}
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CConfig::const_iterator
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CConfig::begin() const
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{
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return const_iterator(m_map.begin());
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}
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CConfig::const_iterator
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CConfig::end() const
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{
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return const_iterator(m_map.end());
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}
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CConfig::all_const_iterator
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CConfig::beginAll() const
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{
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return m_nameToCanonicalName.begin();
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}
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CConfig::all_const_iterator
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CConfig::endAll() const
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{
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return m_nameToCanonicalName.end();
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}
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bool
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CConfig::isScreen(const CString& name) const
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{
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return (m_nameToCanonicalName.count(name) > 0);
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}
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bool
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CConfig::isCanonicalName(const CString& name) const
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{
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return CStringUtil::CaselessCmp::equal(getCanonicalName(name), name);
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}
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CString
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CConfig::getCanonicalName(const CString& name) const
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{
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CNameMap::const_iterator index = m_nameToCanonicalName.find(name);
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if (index == m_nameToCanonicalName.end()) {
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return CString();
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}
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else {
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return index->second;
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}
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}
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CString
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CConfig::getNeighbor(const CString& srcName, EDirection srcSide) const
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{
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assert(srcSide >= kFirstDirection && srcSide <= kLastDirection);
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// find source cell
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CCellMap::const_iterator index = m_map.find(getCanonicalName(srcName));
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if (index == m_map.end()) {
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return CString();
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}
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// return connection
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return getCanonicalName(index->second.m_neighbor[
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srcSide - kFirstDirection]);
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}
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const CNetworkAddress&
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CConfig::getSynergyAddress() const
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{
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return m_synergyAddress;
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}
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const CConfig::CScreenOptions*
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CConfig::getOptions(const CString& name) const
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{
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// find options
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const CScreenOptions* options = NULL;
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if (name.empty()) {
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options = &m_globalOptions;
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}
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else {
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CCellMap::const_iterator index = m_map.find(name);
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if (index != m_map.end()) {
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options = &index->second.m_options;
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}
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}
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// return options
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return options;
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}
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bool
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CConfig::operator==(const CConfig& x) const
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{
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if (m_synergyAddress != x.m_synergyAddress) {
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return false;
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}
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if (m_map.size() != x.m_map.size()) {
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return false;
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}
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if (m_nameToCanonicalName.size() != x.m_nameToCanonicalName.size()) {
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return false;
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}
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// compare global options
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if (m_globalOptions != x.m_globalOptions) {
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return false;
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}
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for (CCellMap::const_iterator index1 = m_map.begin(),
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index2 = x.m_map.begin();
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index1 != m_map.end(); ++index1, ++index2) {
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// compare names
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if (!CStringUtil::CaselessCmp::equal(index1->first, index2->first)) {
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return false;
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}
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// compare options
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if (index1->second.m_options != index2->second.m_options) {
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return false;
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}
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// compare neighbors
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for (UInt32 i = 0; i < kNumDirections; ++i) {
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if (!CStringUtil::CaselessCmp::equal(index1->second.m_neighbor[i],
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index2->second.m_neighbor[i])) {
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return false;
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}
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}
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}
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for (CNameMap::const_iterator index1 = m_nameToCanonicalName.begin(),
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index2 = x.m_nameToCanonicalName.begin();
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index1 != m_nameToCanonicalName.end();
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++index1, ++index2) {
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if (!CStringUtil::CaselessCmp::equal(index1->first, index2->first) ||
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!CStringUtil::CaselessCmp::equal(index1->second, index2->second)) {
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return false;
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}
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}
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return true;
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}
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bool
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CConfig::operator!=(const CConfig& x) const
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{
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return !operator==(x);
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}
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const char*
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CConfig::dirName(EDirection dir)
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{
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static const char* s_name[] = { "left", "right", "top", "bottom" };
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assert(dir >= kFirstDirection && dir <= kLastDirection);
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return s_name[dir - kFirstDirection];
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}
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bool
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CConfig::readLine(std::istream& s, CString& line)
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{
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s >> std::ws;
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while (std::getline(s, line)) {
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// strip comments and then trailing whitespace
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CString::size_type i = line.find('#');
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if (i != CString::npos) {
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line.erase(i);
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}
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i = line.find_last_not_of(" \r\t");
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if (i != CString::npos) {
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line.erase(i + 1);
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}
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// return non empty line
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if (!line.empty()) {
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return true;
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}
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s >> std::ws;
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}
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return false;
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}
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|
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OptionValue
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CConfig::parseBoolean(const CString& arg)
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{
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if (CStringUtil::CaselessCmp::equal(arg, "true")) {
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return static_cast<OptionValue>(true);
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}
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if (CStringUtil::CaselessCmp::equal(arg, "false")) {
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return static_cast<OptionValue>(false);
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}
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throw XConfigRead("invalid argument");
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}
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OptionValue
|
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CConfig::parseInt(const CString& arg)
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{
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const char* s = arg.c_str();
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char* end;
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long tmp = strtol(s, &end, 10);
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if (*end != '\0') {
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// invalid characters
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throw XConfigRead("invalid argument");
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}
|
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OptionValue value = static_cast<OptionValue>(tmp);
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if (value != tmp) {
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// out of range
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throw XConfigRead("argument out of range");
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}
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return value;
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}
|
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|
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OptionValue
|
|
CConfig::parseModifierKey(const CString& arg)
|
|
{
|
|
if (CStringUtil::CaselessCmp::equal(arg, "shift")) {
|
|
return static_cast<OptionValue>(kKeyModifierIDShift);
|
|
}
|
|
if (CStringUtil::CaselessCmp::equal(arg, "ctrl")) {
|
|
return static_cast<OptionValue>(kKeyModifierIDControl);
|
|
}
|
|
if (CStringUtil::CaselessCmp::equal(arg, "alt")) {
|
|
return static_cast<OptionValue>(kKeyModifierIDAlt);
|
|
}
|
|
if (CStringUtil::CaselessCmp::equal(arg, "meta")) {
|
|
return static_cast<OptionValue>(kKeyModifierIDMeta);
|
|
}
|
|
if (CStringUtil::CaselessCmp::equal(arg, "super")) {
|
|
return static_cast<OptionValue>(kKeyModifierIDSuper);
|
|
}
|
|
if (CStringUtil::CaselessCmp::equal(arg, "none")) {
|
|
return static_cast<OptionValue>(kKeyModifierIDNull);
|
|
}
|
|
throw XConfigRead("invalid argument");
|
|
}
|
|
|
|
const char*
|
|
CConfig::getOptionName(OptionID id)
|
|
{
|
|
if (id == kOptionHalfDuplexCapsLock) {
|
|
return "halfDuplexCapsLock";
|
|
}
|
|
if (id == kOptionHalfDuplexNumLock) {
|
|
return "halfDuplexNumLock";
|
|
}
|
|
if (id == kOptionHalfDuplexScrollLock) {
|
|
return "halfDuplexScrollLock";
|
|
}
|
|
if (id == kOptionModifierMapForShift) {
|
|
return "shift";
|
|
}
|
|
if (id == kOptionModifierMapForControl) {
|
|
return "ctrl";
|
|
}
|
|
if (id == kOptionModifierMapForAlt) {
|
|
return "alt";
|
|
}
|
|
if (id == kOptionModifierMapForMeta) {
|
|
return "meta";
|
|
}
|
|
if (id == kOptionModifierMapForSuper) {
|
|
return "super";
|
|
}
|
|
if (id == kOptionHeartbeat) {
|
|
return "heartbeat";
|
|
}
|
|
if (id == kOptionScreenSwitchDelay) {
|
|
return "switchDelay";
|
|
}
|
|
if (id == kOptionScreenSwitchTwoTap) {
|
|
return "switchDoubleTap";
|
|
}
|
|
if (id == kOptionScreenSaverSync) {
|
|
return "screenSaverSync";
|
|
}
|
|
if (id == kOptionXTestXineramaUnaware) {
|
|
return "xtestIsXineramaUnaware";
|
|
}
|
|
if (id == kOptionRelativeMouseMoves) {
|
|
return "relativeMouseMoves";
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
CString
|
|
CConfig::getOptionValue(OptionID id, OptionValue value)
|
|
{
|
|
if (id == kOptionHalfDuplexCapsLock ||
|
|
id == kOptionHalfDuplexNumLock ||
|
|
id == kOptionHalfDuplexScrollLock ||
|
|
id == kOptionScreenSaverSync ||
|
|
id == kOptionXTestXineramaUnaware ||
|
|
id == kOptionRelativeMouseMoves) {
|
|
return (value != 0) ? "true" : "false";
|
|
}
|
|
if (id == kOptionModifierMapForShift ||
|
|
id == kOptionModifierMapForControl ||
|
|
id == kOptionModifierMapForAlt ||
|
|
id == kOptionModifierMapForMeta ||
|
|
id == kOptionModifierMapForSuper) {
|
|
switch (value) {
|
|
case kKeyModifierIDShift:
|
|
return "shift";
|
|
|
|
case kKeyModifierIDControl:
|
|
return "ctrl";
|
|
|
|
case kKeyModifierIDAlt:
|
|
return "alt";
|
|
|
|
case kKeyModifierIDMeta:
|
|
return "meta";
|
|
|
|
case kKeyModifierIDSuper:
|
|
return "super";
|
|
|
|
default:
|
|
return "none";
|
|
}
|
|
}
|
|
if (id == kOptionHeartbeat ||
|
|
id == kOptionScreenSwitchDelay ||
|
|
id == kOptionScreenSwitchTwoTap) {
|
|
return CStringUtil::print("%d", value);
|
|
}
|
|
|
|
return "";
|
|
}
|
|
|
|
void
|
|
CConfig::readSection(std::istream& s)
|
|
{
|
|
static const char s_section[] = "section:";
|
|
static const char s_options[] = "options";
|
|
static const char s_screens[] = "screens";
|
|
static const char s_links[] = "links";
|
|
static const char s_aliases[] = "aliases";
|
|
|
|
CString line;
|
|
if (!readLine(s, line)) {
|
|
// no more sections
|
|
return;
|
|
}
|
|
|
|
// should be a section header
|
|
if (line.find(s_section) != 0) {
|
|
throw XConfigRead("found data outside section");
|
|
}
|
|
|
|
// get section name
|
|
CString::size_type i = line.find_first_not_of(" \t", sizeof(s_section) - 1);
|
|
if (i == CString::npos) {
|
|
throw XConfigRead("section name is missing");
|
|
}
|
|
CString name = line.substr(i);
|
|
i = name.find_first_of(" \t");
|
|
if (i != CString::npos) {
|
|
throw XConfigRead("unexpected data after section name");
|
|
}
|
|
|
|
// read section
|
|
if (name == s_options) {
|
|
readSectionOptions(s);
|
|
}
|
|
else if (name == s_screens) {
|
|
readSectionScreens(s);
|
|
}
|
|
else if (name == s_links) {
|
|
readSectionLinks(s);
|
|
}
|
|
else if (name == s_aliases) {
|
|
readSectionAliases(s);
|
|
}
|
|
else {
|
|
throw XConfigRead("unknown section name");
|
|
}
|
|
}
|
|
|
|
void
|
|
CConfig::readSectionOptions(std::istream& s)
|
|
{
|
|
CString line;
|
|
CString name;
|
|
while (readLine(s, line)) {
|
|
// check for end of section
|
|
if (line == "end") {
|
|
return;
|
|
}
|
|
|
|
// parse argument: `<name>=<value>'
|
|
CString::size_type i = line.find_first_of(" \t=");
|
|
if (i == 0) {
|
|
throw XConfigRead("missing argument name");
|
|
}
|
|
if (i == CString::npos) {
|
|
throw XConfigRead("missing = in argument");
|
|
}
|
|
CString name = line.substr(0, i);
|
|
i = line.find_first_not_of(" \t", i);
|
|
if (i == CString::npos || line[i] != '=') {
|
|
throw XConfigRead("missing = in argument");
|
|
}
|
|
i = line.find_first_not_of(" \t", i + 1);
|
|
CString value;
|
|
if (i != CString::npos) {
|
|
value = line.substr(i);
|
|
}
|
|
if (value.empty()) {
|
|
throw XConfigRead("missing value after =");
|
|
}
|
|
|
|
if (name == "address") {
|
|
try {
|
|
m_synergyAddress = CNetworkAddress(value, kDefaultPort);
|
|
m_synergyAddress.resolve();
|
|
}
|
|
catch (XSocketAddress& e) {
|
|
throw XConfigRead(CString("invalid address argument: ") +
|
|
e.what());
|
|
}
|
|
}
|
|
else if (name == "heartbeat") {
|
|
addOption("", kOptionHeartbeat, parseInt(value));
|
|
}
|
|
else if (name == "switchDelay") {
|
|
addOption("", kOptionScreenSwitchDelay, parseInt(value));
|
|
}
|
|
else if (name == "switchDoubleTap") {
|
|
addOption("", kOptionScreenSwitchTwoTap, parseInt(value));
|
|
}
|
|
else if (name == "screenSaverSync") {
|
|
addOption("", kOptionScreenSaverSync, parseBoolean(value));
|
|
}
|
|
else if (name == "relativeMouseMoves") {
|
|
addOption("", kOptionRelativeMouseMoves, parseBoolean(value));
|
|
}
|
|
else {
|
|
throw XConfigRead("unknown argument");
|
|
}
|
|
}
|
|
throw XConfigRead("unexpected end of screens section");
|
|
}
|
|
|
|
void
|
|
CConfig::readSectionScreens(std::istream& s)
|
|
{
|
|
CString line;
|
|
CString screen;
|
|
while (readLine(s, line)) {
|
|
// check for end of section
|
|
if (line == "end") {
|
|
return;
|
|
}
|
|
|
|
// see if it's the next screen
|
|
if (line[line.size() - 1] == ':') {
|
|
// strip :
|
|
screen = line.substr(0, line.size() - 1);
|
|
|
|
// verify validity of screen name
|
|
if (!isValidScreenName(screen)) {
|
|
throw XConfigRead("invalid screen name");
|
|
}
|
|
|
|
// add the screen to the configuration
|
|
if (!addScreen(screen)) {
|
|
throw XConfigRead("duplicate screen name");
|
|
}
|
|
}
|
|
else if (screen.empty()) {
|
|
throw XConfigRead("argument before first screen");
|
|
}
|
|
else {
|
|
// parse argument: `<name>=<value>'
|
|
CString::size_type i = line.find_first_of(" \t=");
|
|
if (i == 0) {
|
|
throw XConfigRead("missing argument name");
|
|
}
|
|
if (i == CString::npos) {
|
|
throw XConfigRead("missing = in argument");
|
|
}
|
|
CString name = line.substr(0, i);
|
|
i = line.find_first_not_of(" \t", i);
|
|
if (i == CString::npos || line[i] != '=') {
|
|
throw XConfigRead("missing = in argument");
|
|
}
|
|
i = line.find_first_not_of(" \t", i + 1);
|
|
CString value;
|
|
if (i != CString::npos) {
|
|
value = line.substr(i);
|
|
}
|
|
|
|
// handle argument
|
|
if (name == "halfDuplexCapsLock") {
|
|
addOption(screen, kOptionHalfDuplexCapsLock,
|
|
parseBoolean(value));
|
|
}
|
|
else if (name == "halfDuplexNumLock") {
|
|
addOption(screen, kOptionHalfDuplexNumLock,
|
|
parseBoolean(value));
|
|
}
|
|
else if (name == "halfDuplexScrollLock") {
|
|
addOption(screen, kOptionHalfDuplexScrollLock,
|
|
parseBoolean(value));
|
|
}
|
|
else if (name == "shift") {
|
|
addOption(screen, kOptionModifierMapForShift,
|
|
parseModifierKey(value));
|
|
}
|
|
else if (name == "ctrl") {
|
|
addOption(screen, kOptionModifierMapForControl,
|
|
parseModifierKey(value));
|
|
}
|
|
else if (name == "alt") {
|
|
addOption(screen, kOptionModifierMapForAlt,
|
|
parseModifierKey(value));
|
|
}
|
|
else if (name == "meta") {
|
|
addOption(screen, kOptionModifierMapForMeta,
|
|
parseModifierKey(value));
|
|
}
|
|
else if (name == "super") {
|
|
addOption(screen, kOptionModifierMapForSuper,
|
|
parseModifierKey(value));
|
|
}
|
|
else if (name == "xtestIsXineramaUnaware") {
|
|
addOption(screen, kOptionXTestXineramaUnaware,
|
|
parseBoolean(value));
|
|
}
|
|
else {
|
|
// unknown argument
|
|
throw XConfigRead("unknown argument");
|
|
}
|
|
}
|
|
}
|
|
throw XConfigRead("unexpected end of screens section");
|
|
}
|
|
|
|
void
|
|
CConfig::readSectionLinks(std::istream& s)
|
|
{
|
|
CString line;
|
|
CString screen;
|
|
while (readLine(s, line)) {
|
|
// check for end of section
|
|
if (line == "end") {
|
|
return;
|
|
}
|
|
|
|
// see if it's the next screen
|
|
if (line[line.size() - 1] == ':') {
|
|
// strip :
|
|
screen = line.substr(0, line.size() - 1);
|
|
|
|
// verify we know about the screen
|
|
if (!isScreen(screen)) {
|
|
throw XConfigRead("unknown screen name");
|
|
}
|
|
if (!isCanonicalName(screen)) {
|
|
throw XConfigRead("cannot use screen name alias here");
|
|
}
|
|
}
|
|
else if (screen.empty()) {
|
|
throw XConfigRead("argument before first screen");
|
|
}
|
|
else {
|
|
// parse argument: `<name>=<value>'
|
|
CString::size_type i = line.find_first_of(" \t=");
|
|
if (i == 0) {
|
|
throw XConfigRead("missing argument name");
|
|
}
|
|
if (i == CString::npos) {
|
|
throw XConfigRead("missing = in argument");
|
|
}
|
|
CString name = line.substr(0, i);
|
|
i = line.find_first_not_of(" \t", i);
|
|
if (i == CString::npos || line[i] != '=') {
|
|
throw XConfigRead("missing = in argument");
|
|
}
|
|
i = line.find_first_not_of(" \t", i + 1);
|
|
CString value;
|
|
if (i != CString::npos) {
|
|
value = line.substr(i);
|
|
}
|
|
|
|
// handle argument
|
|
if (name == "left") {
|
|
if (!isScreen(value)) {
|
|
throw XConfigRead("unknown screen");
|
|
}
|
|
connect(screen, kLeft, value);
|
|
}
|
|
else if (name == "right") {
|
|
if (!isScreen(value)) {
|
|
throw XConfigRead("unknown screen");
|
|
}
|
|
connect(screen, kRight, value);
|
|
}
|
|
else if (name == "up") {
|
|
if (!isScreen(value)) {
|
|
throw XConfigRead("unknown screen");
|
|
}
|
|
connect(screen, kTop, value);
|
|
}
|
|
else if (name == "down") {
|
|
if (!isScreen(value)) {
|
|
throw XConfigRead("unknown screen");
|
|
}
|
|
connect(screen, kBottom, value);
|
|
}
|
|
else {
|
|
// unknown argument
|
|
throw XConfigRead("unknown argument");
|
|
}
|
|
}
|
|
}
|
|
throw XConfigRead("unexpected end of links section");
|
|
}
|
|
|
|
void
|
|
CConfig::readSectionAliases(std::istream& s)
|
|
{
|
|
CString line;
|
|
CString screen;
|
|
while (readLine(s, line)) {
|
|
// check for end of section
|
|
if (line == "end") {
|
|
return;
|
|
}
|
|
|
|
// see if it's the next screen
|
|
if (line[line.size() - 1] == ':') {
|
|
// strip :
|
|
screen = line.substr(0, line.size() - 1);
|
|
|
|
// verify we know about the screen
|
|
if (!isScreen(screen)) {
|
|
throw XConfigRead("unknown screen name");
|
|
}
|
|
if (!isCanonicalName(screen)) {
|
|
throw XConfigRead("cannot use screen name alias here");
|
|
}
|
|
}
|
|
else if (screen.empty()) {
|
|
throw XConfigRead("argument before first screen");
|
|
}
|
|
else {
|
|
// verify validity of screen name
|
|
if (!isValidScreenName(line)) {
|
|
throw XConfigRead("invalid screen alias");
|
|
}
|
|
|
|
// add alias
|
|
if (!addAlias(screen, line)) {
|
|
throw XConfigRead("alias is duplicate screen name");
|
|
}
|
|
}
|
|
}
|
|
throw XConfigRead("unexpected end of aliases section");
|
|
}
|
|
|
|
|
|
//
|
|
// CConfig I/O
|
|
//
|
|
|
|
std::istream&
|
|
operator>>(std::istream& s, CConfig& config)
|
|
{
|
|
// FIXME -- should track line and column to improve error reporting
|
|
|
|
CConfig tmp;
|
|
while (s) {
|
|
tmp.readSection(s);
|
|
}
|
|
config = tmp;
|
|
return s;
|
|
}
|
|
|
|
std::ostream&
|
|
operator<<(std::ostream& s, const CConfig& config)
|
|
{
|
|
// options section
|
|
s << "section: options" << std::endl;
|
|
const CConfig::CScreenOptions* options = config.getOptions("");
|
|
if (options != NULL && options->size() > 0) {
|
|
for (CConfig::CScreenOptions::const_iterator
|
|
option = options->begin();
|
|
option != options->end(); ++option) {
|
|
const char* name = CConfig::getOptionName(option->first);
|
|
CString value = CConfig::getOptionValue(option->first,
|
|
option->second);
|
|
if (name != NULL && !value.empty()) {
|
|
s << "\t" << name << " = " << value << std::endl;
|
|
}
|
|
}
|
|
}
|
|
if (config.m_synergyAddress.isValid()) {
|
|
s << "\taddress = " <<
|
|
config.m_synergyAddress.getHostname().c_str() << std::endl;
|
|
}
|
|
s << "end" << std::endl;
|
|
|
|
// screens section
|
|
s << "section: screens" << std::endl;
|
|
for (CConfig::const_iterator screen = config.begin();
|
|
screen != config.end(); ++screen) {
|
|
s << "\t" << screen->c_str() << ":" << std::endl;
|
|
const CConfig::CScreenOptions* options = config.getOptions(*screen);
|
|
if (options != NULL && options->size() > 0) {
|
|
for (CConfig::CScreenOptions::const_iterator
|
|
option = options->begin();
|
|
option != options->end(); ++option) {
|
|
const char* name = CConfig::getOptionName(option->first);
|
|
CString value = CConfig::getOptionValue(option->first,
|
|
option->second);
|
|
if (name != NULL && !value.empty()) {
|
|
s << "\t\t" << name << " = " << value << std::endl;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
s << "end" << std::endl;
|
|
|
|
// links section
|
|
CString neighbor;
|
|
s << "section: links" << std::endl;
|
|
for (CConfig::const_iterator screen = config.begin();
|
|
screen != config.end(); ++screen) {
|
|
s << "\t" << screen->c_str() << ":" << std::endl;
|
|
|
|
neighbor = config.getNeighbor(*screen, kLeft);
|
|
if (!neighbor.empty()) {
|
|
s << "\t\tleft=" << neighbor.c_str() << std::endl;
|
|
}
|
|
|
|
neighbor = config.getNeighbor(*screen, kRight);
|
|
if (!neighbor.empty()) {
|
|
s << "\t\tright=" << neighbor.c_str() << std::endl;
|
|
}
|
|
|
|
neighbor = config.getNeighbor(*screen, kTop);
|
|
if (!neighbor.empty()) {
|
|
s << "\t\tup=" << neighbor.c_str() << std::endl;
|
|
}
|
|
|
|
neighbor = config.getNeighbor(*screen, kBottom);
|
|
if (!neighbor.empty()) {
|
|
s << "\t\tdown=" << neighbor.c_str() << std::endl;
|
|
}
|
|
}
|
|
s << "end" << std::endl;
|
|
|
|
// aliases section (if there are any)
|
|
if (config.m_map.size() != config.m_nameToCanonicalName.size()) {
|
|
// map canonical to alias
|
|
typedef std::multimap<CString, CString,
|
|
CStringUtil::CaselessCmp> CMNameMap;
|
|
CMNameMap aliases;
|
|
for (CConfig::CNameMap::const_iterator
|
|
index = config.m_nameToCanonicalName.begin();
|
|
index != config.m_nameToCanonicalName.end();
|
|
++index) {
|
|
if (index->first != index->second) {
|
|
aliases.insert(std::make_pair(index->second, index->first));
|
|
}
|
|
}
|
|
|
|
// dump it
|
|
CString screen;
|
|
s << "section: aliases" << std::endl;
|
|
for (CMNameMap::const_iterator index = aliases.begin();
|
|
index != aliases.end(); ++index) {
|
|
if (index->first != screen) {
|
|
screen = index->first;
|
|
s << "\t" << screen.c_str() << ":" << std::endl;
|
|
}
|
|
s << "\t\t" << index->second.c_str() << std::endl;
|
|
}
|
|
s << "end" << std::endl;
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
|
|
//
|
|
// CConfig I/O exceptions
|
|
//
|
|
|
|
XConfigRead::XConfigRead(const CString& error) :
|
|
m_error(error)
|
|
{
|
|
// do nothing
|
|
}
|
|
|
|
XConfigRead::~XConfigRead()
|
|
{
|
|
// do nothing
|
|
}
|
|
|
|
CString
|
|
XConfigRead::getWhat() const throw()
|
|
{
|
|
return format("XConfigRead", "read error: %{1}", m_error.c_str());
|
|
}
|