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

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2
   3 #ifdef    HAVE_CONFIG_H
   4 #include "../config.h"
   5 #endif // HAVE_CONFIG_H
   6
   7 extern "C" {
   8 #ifdef    HAVE_STDLIB_H
   9 #  include <stdlib.h>
  10 #endif // HAVE_STDLIB_H
  11 }
  12
  13 #include "configuration.hh"
  14 #include "util.hh"
  15
  16 #include <algorithm>
  17
  18 using std::string;
  19
  20 namespace ob {
  21
  22 bool Configuration::_initialized = False;
  23
  24 Configuration::Configuration(const string &file, bool autosave) {
  25   setFile(file);
  26   _modified = False;
  27   _database = NULL;
  28   _autosave = autosave;
  29   if (! _initialized) {
  30     XrmInitialize();
  31     _initialized = True;
  32   }
  33 }
  34
  35 Configuration::Configuration(bool autosave) {
  36   _modified = False;
  37   _database = NULL;
  38   _autosave = autosave;
  39   if (! _initialized) {
  40     XrmInitialize();
  41     _initialized = True;
  42   }
  43 }
  44
  45 Configuration::~Configuration() {
  46   if (_database != NULL)
  47     XrmDestroyDatabase(_database);
  48 }
  49
  50 void Configuration::setFile(const string &file) {
  51   _file = file;
  52 }
  53
  54 void Configuration::setAutoSave(bool autosave) {
  55   _autosave = autosave;
  56 }
  57
  58 void Configuration::save() {
  59   assert(_database != NULL);
  60   XrmPutFileDatabase(_database, _file.c_str());
  61   _modified = False;
  62 }
  63
  64 bool Configuration::load() {
  65   if (_database != NULL)
  66     XrmDestroyDatabase(_database);
  67   _modified = False;
  68   if (NULL == (_database = XrmGetFileDatabase(_file.c_str())))
  69     return False;
  70   return True;
  71 }
  72
  73 bool Configuration::merge(const string &file, bool overwrite) {
  74   if (XrmCombineFileDatabase(file.c_str(), &_database, overwrite) == 0)
  75     return False;
  76   _modified = True;
  77   if (_autosave)
  78     save();
  79   return True;
  80 }
  81
  82 void Configuration::create() {
  83   if (_database != NULL)
  84     XrmDestroyDatabase(_database);
  85   _modified = False;
  86   assert(NULL != (_database = XrmGetStringDatabase("")));
  87 }
  88
  89 void Configuration::setValue(const string &rname, bool value) {
  90   assert(_database != NULL);
  91
  92   const char *val = (value ? "True" : "False");
  93   string rc_string = rname + ": " + val;
  94   XrmPutLineResource(&_database, rc_string.c_str());
  95
  96   _modified = True;
  97   if (_autosave)
  98     save();
  99 }
 100
 101 void Configuration::setValue(const string &rname, unsigned long value) {
 102   assert(_database != NULL);
 103
 104   string rc_string = rname + ": " + itostring(value);
 105   XrmPutLineResource(&_database, rc_string.c_str());
 106
 107   _modified = True;
 108   if (_autosave)
 109     save();
 110 }
 111
 112 void Configuration::setValue(const string &rname, long value) {
 113   assert(_database != NULL);
 114
 115   string rc_string = rname + ": " + itostring(value);
 116   XrmPutLineResource(&_database, rc_string.c_str());
 117
 118   _modified = True;
 119   if (_autosave)
 120     save();
 121 }
 122
 123 void Configuration::setValue(const string &rname, const char *value) {
 124   assert(_database != NULL);
 125   assert(value != NULL);
 126
 127   string rc_string = rname + ": " + value;
 128   XrmPutLineResource(&_database, rc_string.c_str());
 129
 130   _modified = True;
 131   if (_autosave)
 132     save();
 133 }
 134
 135 void Configuration::setValue(const string &rname, const string &value) {
 136   assert(_database != NULL);
 137
 138   string rc_string = rname + ": " + value;
 139   XrmPutLineResource(&_database, rc_string.c_str());
 140
 141   _modified = True;
 142   if (_autosave)
 143     save();
 144 }
 145
 146 bool Configuration::getValue(const string &rname, bool &value) const {
 147   assert(_database != NULL);
 148
 149   string rclass = createClassName(rname);
 150
 151   char *rettype;
 152   XrmValue retvalue;
 153   if (0 == XrmGetResource(_database, rname.c_str(), rclass.c_str(),
 154                           &rettype, &retvalue) || retvalue.addr == NULL)
 155     return False;
 156   string val = retvalue.addr;
 157   if (val == "True" || val == "True")
 158     value = True;
 159   else
 160     value = False;
 161   return True;
 162 }
 163
 164 bool Configuration::getValue(const string &rname, long &value) const {
 165   assert(_database != NULL);
 166
 167   string rclass = createClassName(rname);
 168
 169   char *rettype;
 170   XrmValue retvalue;
 171   if (0 == XrmGetResource(_database, rname.c_str(), rclass.c_str(),
 172                           &rettype, &retvalue) || retvalue.addr == NULL)
 173     return False;
 174   char *end;
 175   value = strtol(retvalue.addr, &end, 10);
 176   if (end == retvalue.addr)
 177     return False;
 178   return True;
 179 }
 180
 181 bool Configuration::getValue(const string &rname, unsigned long &value) const {
 182   assert(_database != NULL);
 183
 184   string rclass = createClassName(rname);
 185
 186   char *rettype;
 187   XrmValue retvalue;
 188   if (0 == XrmGetResource(_database, rname.c_str(), rclass.c_str(),
 189                           &rettype, &retvalue) || retvalue.addr == NULL)
 190     return False;
 191   char *end;
 192   value = strtoul(retvalue.addr, &end, 10);
 193   if (end == retvalue.addr)
 194     return False;
 195   return True;
 196 }
 197
 198 bool Configuration::getValue(const string &rname,
 199                              string &value) const {
 200   assert(_database != NULL);
 201
 202   string rclass = createClassName(rname);
 203
 204   char *rettype;
 205   XrmValue retvalue;
 206   if (0 == XrmGetResource(_database, rname.c_str(), rclass.c_str(),
 207                           &rettype, &retvalue) || retvalue.addr == NULL)
 208     return False;
 209   value = retvalue.addr;
 210   return True;
 211 }
 212
 213
 214 string Configuration::createClassName(const string &rname) const {
 215   string rclass(rname);
 216
 217   string::iterator it = rclass.begin(), end = rclass.end();
 218   while (True) {
 219     *it = toUpper(*it);
 220     ++it;
 221     if (it == end) break;
 222     it = std::find(it, rclass.end(), '.');
 223     if (it == end) break;
 224     ++it;
 225     if (it == end) break;
 226   }
 227   return rclass;
 228 }
 229
 230
 231 char Configuration::toUpper(char c) const {
 232   if (c >= 'a' && c <= 'z')
 233     return c - 'a' + 'A';
 234   return c;
 235 }
 236
 237 }