Dogcows Code - chaz/openbox/blob - src/Configuration.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 // Configuration.hh for Blackbox - an X11 Window manager
   3 // Copyright (c) 2002 - 2002 Ben Jansens (ben@orodu.net)
   4 //
   5 // Permission is hereby granted, free of charge, to any person obtaining a
   6 // copy of this software and associated documentation files (the "Software"),
   7 // to deal in the Software without restriction, including without limitation
   8 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9 // and/or sell copies of the Software, and to permit persons to whom the
  10 // Software is furnished to do so, subject to the following conditions:
  11 //
  12 // The above copyright notice and this permission notice shall be included in
  13 // all copies or substantial portions of the Software.
  14 //
  15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21 // DEALINGS IN THE SOFTWARE.
  22
  23 #include "../config.h"
  24
  25 #include "Configuration.hh"
  26 #include "Util.hh"
  27
  28 #include <algorithm>
  29
  30 #ifdef    HAVE_STDLIB_H
  31 #  include <stdlib.h>
  32 #endif // HAVE_STDLIB_H
  33
  34 using std::string;
  35
  36 bool Configuration::m_initialized = False;
  37
  38 Configuration::Configuration(const string &file) {
  39   setFile(file);
  40   m_modified = False;
  41   m_database = NULL;
  42   m_autosave = True;
  43   if (! m_initialized) {
  44     XrmInitialize();
  45     m_initialized = True;
  46   }
  47 }
  48
  49 Configuration::Configuration() {
  50   m_modified = False;
  51   m_database = NULL;
  52   m_autosave = True;
  53   if (! m_initialized) {
  54     XrmInitialize();
  55     m_initialized = True;
  56   }
  57 }
  58
  59 Configuration::~Configuration() {
  60   if (m_database != NULL)
  61     XrmDestroyDatabase(m_database);
  62 }
  63
  64 void Configuration::setFile(const string &file) {
  65   m_file = file;
  66 }
  67
  68 void Configuration::setAutoSave(bool autosave) {
  69   m_autosave = autosave;
  70 }
  71
  72 void Configuration::save() {
  73   assert(m_database != NULL);
  74   XrmPutFileDatabase(m_database, m_file.c_str());
  75   m_modified = False;
  76 }
  77
  78 bool Configuration::load() {
  79   if (m_database != NULL)
  80     XrmDestroyDatabase(m_database);
  81   m_modified = False;
  82   if (NULL == (m_database = XrmGetFileDatabase(m_file.c_str())))
  83     return False;
  84   return True;
  85 }
  86
  87 void Configuration::create() {
  88   if (m_database != NULL)
  89     XrmDestroyDatabase(m_database);
  90   m_modified = False;
  91   assert(NULL != (m_database = XrmGetStringDatabase("")));
  92 }
  93
  94 void Configuration::setValue(const string &rname, bool value) {
  95   assert(m_database != NULL);
  96
  97   const char *val = (value ? "True" : "False");
  98   string rc_string = rname + ": " + val;
  99   XrmPutLineResource(&m_database, rc_string.c_str());
 100
 101   m_modified = True;
 102   if (m_autosave)
 103     save();
 104 }
 105
 106 void Configuration::setValue(const string &rname, unsigned long value) {
 107   assert(m_database != NULL);
 108
 109   string rc_string = rname + ": " + itostring(value);
 110   XrmPutLineResource(&m_database, rc_string.c_str());
 111
 112   m_modified = True;
 113   if (m_autosave)
 114     save();
 115 }
 116
 117 void Configuration::setValue(const string &rname, long value) {
 118   assert(m_database != NULL);
 119
 120   string rc_string = rname + ": " + itostring(value);
 121   XrmPutLineResource(&m_database, rc_string.c_str());
 122
 123   m_modified = True;
 124   if (m_autosave)
 125     save();
 126 }
 127
 128 void Configuration::setValue(const string &rname, const char *value) {
 129   assert(m_database != NULL);
 130   assert(value != NULL);
 131
 132   string rc_string = rname + ": " + value;
 133   XrmPutLineResource(&m_database, rc_string.c_str());
 134
 135   m_modified = True;
 136   if (m_autosave)
 137     save();
 138 }
 139
 140 void Configuration::setValue(const string &rname, const string &value) {
 141   assert(m_database != NULL);
 142
 143   string rc_string = rname + ": " + value;
 144   XrmPutLineResource(&m_database, rc_string.c_str());
 145
 146   m_modified = True;
 147   if (m_autosave)
 148     save();
 149 }
 150
 151 bool Configuration::getValue(const string &rname, bool &value) const {
 152   assert(m_database != NULL);
 153
 154   string rclass = createClassName(rname);
 155
 156   char *rettype;
 157   XrmValue retvalue;
 158   if (0 == XrmGetResource(m_database, rname.c_str(), rclass.c_str(),
 159                           &rettype, &retvalue) || retvalue.addr == NULL)
 160     return False;
 161   string val = retvalue.addr;
 162   if (val == "True" || val == "True")
 163     value = True;
 164   else
 165     value = False;
 166   return True;
 167 }
 168
 169 bool Configuration::getValue(const string &rname, long &value) const {
 170   assert(m_database != NULL);
 171
 172   string rclass = createClassName(rname);
 173
 174   char *rettype;
 175   XrmValue retvalue;
 176   if (0 == XrmGetResource(m_database, rname.c_str(), rclass.c_str(),
 177                           &rettype, &retvalue) || retvalue.addr == NULL)
 178     return False;
 179   char *end;
 180   value = strtol(retvalue.addr, &end, 10);
 181   if (end == retvalue.addr)
 182     return False;
 183   return True;
 184 }
 185
 186 bool Configuration::getValue(const string &rname, unsigned long &value) const {
 187   assert(m_database != NULL);
 188
 189   string rclass = createClassName(rname);
 190
 191   char *rettype;
 192   XrmValue retvalue;
 193   if (0 == XrmGetResource(m_database, rname.c_str(), rclass.c_str(),
 194                           &rettype, &retvalue) || retvalue.addr == NULL)
 195     return False;
 196   char *end;
 197   value = strtoul(retvalue.addr, &end, 10);
 198   if (end == retvalue.addr)
 199     return False;
 200   return True;
 201 }
 202
 203 bool Configuration::getValue(const string &rname,
 204                              string &value) const {
 205   assert(m_database != NULL);
 206
 207   string rclass = createClassName(rname);
 208
 209   char *rettype;
 210   XrmValue retvalue;
 211   if (0 == XrmGetResource(m_database, rname.c_str(), rclass.c_str(),
 212                           &rettype, &retvalue) || retvalue.addr == NULL)
 213     return False;
 214   value = retvalue.addr;
 215   return True;
 216 }
 217
 218
 219 string Configuration::createClassName(const string &rname) const {
 220   string rclass(rname);
 221
 222   string::iterator it = rclass.begin(), end = rclass.end();
 223   while (True) {
 224     *it = toUpper(*it);
 225     ++it;
 226     if (it == end) break;
 227     it = std::find(it, rclass.end(), '.');
 228     if (it == end) break;
 229     ++it;
 230     if (it == end) break;
 231   }
 232   return rclass;
 233 }
 234
 235
 236 char Configuration::toUpper(char c) const {
 237   if (c >= 'a' && c <= 'z')
 238     return c - 'a' + 'A';
 239   return c;
 240 }