Migrating to new directory structure adopted from the RealVNC's source tree. More changes will follow.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@589 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/rfb/Configuration.cxx b/common/rfb/Configuration.cxx
new file mode 100644
index 0000000..9ebc20a
--- /dev/null
+++ b/common/rfb/Configuration.cxx
@@ -0,0 +1,466 @@
+/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
+ * Copyright (C) 2004-2005 Cendio AB. All rights reserved.
+ *
+ * This 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This software 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+// -=- Configuration.cxx
+
+#include <stdlib.h>
+#include <ctype.h>
+#include <string.h>
+#include <assert.h>
+#ifdef WIN32
+#define strcasecmp _stricmp
+#define strncasecmp _strnicmp
+#endif
+
+#include <rfb/util.h>
+#include <rfb/Configuration.h>
+#include <rfb/LogWriter.h>
+#include <rfb/Exception.h>
+#include <rfb/Threading.h>
+
+#ifdef __RFB_THREADING_IMPL
+// On platforms that support Threading, we use Locks to make getData safe
+#define LOCK_CONFIG Lock l(*configLock())
+rfb::Mutex* configLock_ = 0;
+static rfb::Mutex* configLock() {
+ if (!configLock_)
+ configLock_ = new rfb::Mutex;
+ return configLock_;
+}
+#else
+#define LOCK_CONFIG
+#endif
+
+#include <rdr/HexOutStream.h>
+#include <rdr/HexInStream.h>
+
+using namespace rfb;
+
+static LogWriter vlog("Config");
+
+
+// -=- The Global Configuration object
+Configuration* Configuration::global_ = 0;
+Configuration* Configuration::global() {
+ if (!global_)
+ global_ = new Configuration("Global");
+ return global_;
+}
+
+
+// -=- Configuration implementation
+
+Configuration::Configuration(const char* name_, Configuration* attachToGroup)
+: name(strDup(name_)), head(0), _next(0) {
+ if (attachToGroup) {
+ _next = attachToGroup->_next;
+ attachToGroup->_next = this;
+ }
+}
+
+Configuration& Configuration::operator=(const Configuration& src) {
+ VoidParameter* current = head;
+ while (current) {
+ VoidParameter* srcParam = ((Configuration&)src).get(current->getName());
+ if (srcParam) {
+ current->immutable = false;
+ CharArray value(srcParam->getValueStr());
+ vlog.debug("operator=(%s, %s)", current->getName(), value.buf);
+ current->setParam(value.buf);
+ }
+ current = current->_next;
+ }
+ if (_next)
+ *_next=src;
+ return *this;
+}
+
+bool Configuration::set(const char* n, const char* v, bool immutable) {
+ return set(n, strlen(n), v, immutable);
+}
+
+bool Configuration::set(const char* name, int len,
+ const char* val, bool immutable)
+{
+ VoidParameter* current = head;
+ while (current) {
+ if ((int)strlen(current->getName()) == len &&
+ strncasecmp(current->getName(), name, len) == 0)
+ {
+ bool b = current->setParam(val);
+ current->setHasBeenSet();
+ if (b && immutable)
+ current->setImmutable();
+ return b;
+ }
+ current = current->_next;
+ }
+ return _next ? _next->set(name, len, val, immutable) : false;
+}
+
+bool Configuration::set(const char* config, bool immutable) {
+ bool hyphen = false;
+ if (config[0] == '-') {
+ hyphen = true;
+ config++;
+ if (config[0] == '-') config++; // allow gnu-style --<option>
+ }
+ const char* equal = strchr(config, '=');
+ if (equal) {
+ return set(config, equal-config, equal+1, immutable);
+ } else if (hyphen) {
+ VoidParameter* current = head;
+ while (current) {
+ if (strcasecmp(current->getName(), config) == 0) {
+ bool b = current->setParam();
+ current->setHasBeenSet();
+ if (b && immutable)
+ current->setImmutable();
+ return b;
+ }
+ current = current->_next;
+ }
+ }
+ return _next ? _next->set(config, immutable) : false;
+}
+
+VoidParameter* Configuration::get(const char* param)
+{
+ VoidParameter* current = head;
+ while (current) {
+ if (strcasecmp(current->getName(), param) == 0)
+ return current;
+ current = current->_next;
+ }
+ return _next ? _next->get(param) : 0;
+}
+
+void Configuration::list(int width, int nameWidth) {
+ VoidParameter* current = head;
+
+ fprintf(stderr, "%s Parameters:\n", name.buf);
+ while (current) {
+ char* def_str = current->getDefaultStr();
+ const char* desc = current->getDescription();
+ fprintf(stderr," %-*s -", nameWidth, current->getName());
+ int column = strlen(current->getName());
+ if (column < nameWidth) column = nameWidth;
+ column += 4;
+ while (true) {
+ const char* s = strchr(desc, ' ');
+ int wordLen;
+ if (s) wordLen = s-desc;
+ else wordLen = strlen(desc);
+
+ if (column + wordLen + 1 > width) {
+ fprintf(stderr,"\n%*s",nameWidth+4,"");
+ column = nameWidth+4;
+ }
+ fprintf(stderr," %.*s",wordLen,desc);
+ column += wordLen + 1;
+ desc += wordLen + 1;
+ if (!s) break;
+ }
+
+ if (def_str) {
+ if (column + (int)strlen(def_str) + 11 > width)
+ fprintf(stderr,"\n%*s",nameWidth+4,"");
+ fprintf(stderr," (default=%s)\n",def_str);
+ strFree(def_str);
+ } else {
+ fprintf(stderr,"\n");
+ }
+ current = current->_next;
+ }
+
+ if (_next)
+ _next->list(width, nameWidth);
+}
+
+
+// -=- VoidParameter
+
+VoidParameter::VoidParameter(const char* name_, const char* desc_, Configuration* conf)
+ : immutable(false), _hasBeenSet(false), name(name_), description(desc_) {
+ if (!conf)
+ conf = Configuration::global();
+ _next = conf->head;
+ conf->head = this;
+}
+
+VoidParameter::~VoidParameter() {
+}
+
+const char*
+VoidParameter::getName() const {
+ return name;
+}
+
+const char*
+VoidParameter::getDescription() const {
+ return description;
+}
+
+bool VoidParameter::setParam() {
+ return false;
+}
+
+bool VoidParameter::isBool() const {
+ return false;
+}
+
+void
+VoidParameter::setImmutable() {
+ vlog.debug("set immutable %s", getName());
+ immutable = true;
+}
+
+void
+VoidParameter::setHasBeenSet() {
+ _hasBeenSet = true;
+}
+
+bool
+VoidParameter::hasBeenSet() {
+ return _hasBeenSet;
+}
+
+// -=- AliasParameter
+
+AliasParameter::AliasParameter(const char* name_, const char* desc_,
+ VoidParameter* param_, Configuration* conf)
+ : VoidParameter(name_, desc_, conf), param(param_) {
+}
+
+bool
+AliasParameter::setParam(const char* v) {
+ return param->setParam(v);
+}
+
+bool AliasParameter::setParam() {
+ return param->setParam();
+}
+
+char*
+AliasParameter::getDefaultStr() const {
+ return 0;
+}
+
+char* AliasParameter::getValueStr() const {
+ return param->getValueStr();
+}
+
+bool AliasParameter::isBool() const {
+ return param->isBool();
+}
+
+void
+AliasParameter::setImmutable() {
+ vlog.debug("set immutable %s (Alias)", getName());
+ param->setImmutable();
+}
+
+
+// -=- BoolParameter
+
+BoolParameter::BoolParameter(const char* name_, const char* desc_, bool v, Configuration* conf)
+: VoidParameter(name_, desc_, conf), value(v), def_value(v) {
+}
+
+bool
+BoolParameter::setParam(const char* v) {
+ if (immutable) return true;
+
+ if (*v == 0 || strcasecmp(v, "1") == 0 || strcasecmp(v, "on") == 0
+ || strcasecmp(v, "true") == 0 || strcasecmp(v, "yes") == 0)
+ value = 1;
+ else if (strcasecmp(v, "0") == 0 || strcasecmp(v, "off") == 0
+ || strcasecmp(v, "false") == 0 || strcasecmp(v, "no") == 0)
+ value = 0;
+ else {
+ vlog.error("Bool parameter %s: invalid value '%s'", getName(), v);
+ return false;
+ }
+
+ vlog.debug("set %s(Bool) to %s(%d)", getName(), v, value);
+ return true;
+}
+
+bool BoolParameter::setParam() {
+ setParam(true);
+ return true;
+}
+
+void BoolParameter::setParam(bool b) {
+ if (immutable) return;
+ value = b;
+ vlog.debug("set %s(Bool) to %d", getName(), value);
+}
+
+char*
+BoolParameter::getDefaultStr() const {
+ return strDup(def_value ? "1" : "0");
+}
+
+char* BoolParameter::getValueStr() const {
+ return strDup(value ? "1" : "0");
+}
+
+bool BoolParameter::isBool() const {
+ return true;
+}
+
+BoolParameter::operator bool() const {
+ return value;
+}
+
+// -=- IntParameter
+
+IntParameter::IntParameter(const char* name_, const char* desc_, int v,
+ int minValue_, int maxValue_, Configuration* conf)
+ : VoidParameter(name_, desc_, conf), value(v), def_value(v),
+ minValue(minValue_), maxValue(maxValue_)
+{
+}
+
+bool
+IntParameter::setParam(const char* v) {
+ if (immutable) return true;
+ vlog.debug("set %s(Int) to %s", getName(), v);
+ int i = atoi(v);
+ if (i < minValue || i > maxValue)
+ return false;
+ value = i;
+ return true;
+}
+
+bool
+IntParameter::setParam(int v) {
+ if (immutable) return true;
+ vlog.debug("set %s(Int) to %d", getName(), v);
+ if (v < minValue || v > maxValue)
+ return false;
+ value = v;
+ return true;
+}
+
+char*
+IntParameter::getDefaultStr() const {
+ char* result = new char[16];
+ sprintf(result, "%d", def_value);
+ return result;
+}
+
+char* IntParameter::getValueStr() const {
+ char* result = new char[16];
+ sprintf(result, "%d", value);
+ return result;
+}
+
+IntParameter::operator int() const {
+ return value;
+}
+
+// -=- StringParameter
+
+StringParameter::StringParameter(const char* name_, const char* desc_,
+ const char* v, Configuration* conf)
+ : VoidParameter(name_, desc_, conf), value(strDup(v)), def_value(v)
+{
+ if (!v) {
+ fprintf(stderr,"Default value <null> for %s not allowed\n",name_);
+ throw rfb::Exception("Default value <null> not allowed");
+ }
+}
+
+StringParameter::~StringParameter() {
+ strFree(value);
+}
+
+bool StringParameter::setParam(const char* v) {
+ LOCK_CONFIG;
+ if (immutable) return true;
+ if (!v)
+ throw rfb::Exception("setParam(<null>) not allowed");
+ vlog.debug("set %s(String) to %s", getName(), v);
+ CharArray oldValue(value);
+ value = strDup(v);
+ return value != 0;
+}
+
+char* StringParameter::getDefaultStr() const {
+ return strDup(def_value);
+}
+
+char* StringParameter::getValueStr() const {
+ LOCK_CONFIG;
+ return strDup(value);
+}
+
+// -=- BinaryParameter
+
+BinaryParameter::BinaryParameter(const char* name_, const char* desc_, const void* v, int l, Configuration* conf)
+: VoidParameter(name_, desc_, conf), value(0), length(0), def_value((char*)v), def_length(l) {
+ if (l) {
+ value = new char[l];
+ length = l;
+ memcpy(value, v, l);
+ }
+}
+BinaryParameter::~BinaryParameter() {
+ if (value)
+ delete [] value;
+}
+
+bool BinaryParameter::setParam(const char* v) {
+ LOCK_CONFIG;
+ if (immutable) return true;
+ vlog.debug("set %s(Binary) to %s", getName(), v);
+ return rdr::HexInStream::hexStrToBin(v, &value, &length);
+}
+
+void BinaryParameter::setParam(const void* v, int len) {
+ LOCK_CONFIG;
+ if (immutable) return;
+ vlog.debug("set %s(Binary)", getName());
+ delete [] value; value = 0;
+ if (len) {
+ value = new char[len];
+ length = len;
+ memcpy(value, v, len);
+ }
+}
+
+char* BinaryParameter::getDefaultStr() const {
+ return rdr::HexOutStream::binToHexStr(def_value, def_length);
+}
+
+char* BinaryParameter::getValueStr() const {
+ LOCK_CONFIG;
+ return rdr::HexOutStream::binToHexStr(value, length);
+}
+
+void BinaryParameter::getData(void** data_, int* length_) const {
+ LOCK_CONFIG;
+ if (length_) *length_ = length;
+ if (data_) {
+ *data_ = new char[length];
+ memcpy(*data_, value, length);
+ }
+}