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, bool autosave) {
  39   setFile(file);
  40   m_modified = False;
  41   m_database = NULL;
  42   m_autosave = autosave;
  43   if (! m_initialized) {
  44     XrmInitialize();
  45     m_initialized = True;
  46   }
  47 }
  48
  49 Configuration::Configuration(bool autosave) {
  50   m_modified = False;
  51   m_database = NULL;
  52   m_autosave = autosave;
  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 bool Configuration::merge(const string &file, bool overwrite) {
  88   if (XrmCombineFileDatabase(file.c_str(), &m_database, overwrite) == 0)
  89     return False;
  90   m_modified = True;
  91   if (m_autosave)
  92     save();
  93   return True;
  94 }
  95
  96 void Configuration::create() {
  97   if (m_database != NULL)
  98     XrmDestroyDatabase(m_database);
  99   m_modified = False;
 100   assert(NULL != (m_database = XrmGetStringDatabase("")));
 101 }
 102
 103 void Configuration::setValue(const string &rname, bool value) {
 104   assert(m_database != NULL);
 105
 106   const char *val = (value ? "True" : "False");
 107   string rc_string = rname + ": " + val;
 108   XrmPutLineResource(&m_database, rc_string.c_str());
 109
 110   m_modified = True;
 111   if (m_autosave)
 112     save();
 113 }
 114
 115 void Configuration::setValue(const string &rname, unsigned long value) {
 116   assert(m_database != NULL);
 117
 118   string rc_string = rname + ": " + itostring(value);
 119   XrmPutLineResource(&m_database, rc_string.c_str());
 120
 121   m_modified = True;
 122   if (m_autosave)
 123     save();
 124 }
 125
 126 void Configuration::setValue(const string &rname, long value) {
 127   assert(m_database != NULL);
 128
 129   string rc_string = rname + ": " + itostring(value);
 130   XrmPutLineResource(&m_database, rc_string.c_str());
 131
 132   m_modified = True;
 133   if (m_autosave)
 134     save();
 135 }
 136
 137 void Configuration::setValue(const string &rname, const char *value) {
 138   assert(m_database != NULL);
 139   assert(value != NULL);
 140
 141   string rc_string = rname + ": " + value;
 142   XrmPutLineResource(&m_database, rc_string.c_str());
 143
 144   m_modified = True;
 145   if (m_autosave)
 146     save();
 147 }
 148
 149 void Configuration::setValue(const string &rname, const string &value) {
 150   assert(m_database != NULL);
 151
 152   string rc_string = rname + ": " + value;
 153   XrmPutLineResource(&m_database, rc_string.c_str());
 154
 155   m_modified = True;
 156   if (m_autosave)
 157     save();
 158 }
 159
 160 bool Configuration::getValue(const string &rname, bool &value) const {
 161   assert(m_database != NULL);
 162
 163   string rclass = createClassName(rname);
 164
 165   char *rettype;
 166   XrmValue retvalue;
 167   if (0 == XrmGetResource(m_database, rname.c_str(), rclass.c_str(),
 168                           &rettype, &retvalue) || retvalue.addr == NULL)
 169     return False;
 170   string val = retvalue.addr;
 171   if (val == "True" || val == "True")
 172     value = True;
 173   else
 174     value = False;
 175   return True;
 176 }
 177
 178 bool Configuration::getValue(const string &rname, long &value) const {
 179   assert(m_database != NULL);
 180
 181   string rclass = createClassName(rname);
 182
 183   char *rettype;
 184   XrmValue retvalue;
 185   if (0 == XrmGetResource(m_database, rname.c_str(), rclass.c_str(),
 186                           &rettype, &retvalue) || retvalue.addr == NULL)
 187     return False;
 188   char *end;
 189   value = strtol(retvalue.addr, &end, 10);
 190   if (end == retvalue.addr)
 191     return False;
 192   return True;
 193 }
 194
 195 bool Configuration::getValue(const string &rname, unsigned long &value) const {
 196   assert(m_database != NULL);
 197
 198   string rclass = createClassName(rname);
 199
 200   char *rettype;
 201   XrmValue retvalue;
 202   if (0 == XrmGetResource(m_database, rname.c_str(), rclass.c_str(),
 203                           &rettype, &retvalue) || retvalue.addr == NULL)
 204     return False;
 205   char *end;
 206   value = strtoul(retvalue.addr, &end, 10);
 207   if (end == retvalue.addr)
 208     return False;
 209   return True;
 210 }
 211
 212 bool Configuration::getValue(const string &rname,
 213                              string &value) const {
 214   assert(m_database != NULL);
 215
 216   string rclass = createClassName(rname);
 217
 218   char *rettype;
 219   XrmValue retvalue;
 220   if (0 == XrmGetResource(m_database, rname.c_str(), rclass.c_str(),
 221                           &rettype, &retvalue) || retvalue.addr == NULL)
 222     return False;
 223   value = retvalue.addr;
 224   return True;
 225 }
 226
 227
 228 string Configuration::createClassName(const string &rname) const {
 229   string rclass(rname);
 230
 231   string::iterator it = rclass.begin(), end = rclass.end();
 232   while (True) {
 233     *it = toUpper(*it);
 234     ++it;
 235     if (it == end) break;
 236     it = std::find(it, rclass.end(), '.');
 237     if (it == end) break;
 238     ++it;
 239     if (it == end) break;
 240   }
 241   return rclass;
 242 }
 243
 244
 245 char Configuration::toUpper(char c) const {
 246   if (c >= 'a' && c <= 'z')
 247     return c - 'a' + 'A';
 248   return c;
 249 }