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 #ifdef    HAVE_STDLIB_H
  29 #  include <stdlib.h>
  30 #endif // HAVE_STDLIB_H
  31
  32 using std::string;
  33
  34 bool Configuration::m_initialized = false;
  35
  36 Configuration::Configuration(const string &file) {
  37   setFile(file);
  38   m_modified = false;
  39   m_database = NULL;
  40   m_autosave = true;
  41   if (! m_initialized) {
  42     XrmInitialize();
  43     m_initialized = true;
  44   }
  45 }
  46
  47 Configuration::Configuration() {
  48   m_modified = false;
  49   m_database = NULL;
  50   m_autosave = true;
  51   if (! m_initialized) {
  52     XrmInitialize();
  53     m_initialized = true;
  54   }
  55 }
  56
  57 Configuration::~Configuration() {
  58   if (m_database != NULL)
  59     XrmDestroyDatabase(m_database);
  60 }
  61
  62 void Configuration::setFile(const string &file) {
  63   m_file = file;
  64 }
  65
  66 void Configuration::setAutoSave(bool autosave) {
  67   m_autosave = autosave;
  68 }
  69
  70 void Configuration::save() {
  71   assert(m_database != NULL);
  72   XrmPutFileDatabase(m_database, m_file.c_str());
  73   m_modified = false;
  74 }
  75
  76 bool Configuration::load() {
  77   if (m_database != NULL)
  78     XrmDestroyDatabase(m_database);
  79   m_modified = false;
  80   if (NULL == (m_database = XrmGetFileDatabase(m_file.c_str())))
  81     return false;
  82   return true;
  83 }
  84
  85 void Configuration::create() {
  86   if (m_database != NULL)
  87     XrmDestroyDatabase(m_database);
  88   m_modified = false;
  89   assert(NULL != (m_database = XrmGetStringDatabase("")));
  90 }
  91
  92 void Configuration::setValue(const string &rname, bool value) {
  93   assert(m_database != NULL);
  94
  95   const char *val = (value ? "True" : "False");
  96   string rc_string = rname + ": " + val;
  97   XrmPutLineResource(&m_database, rc_string.c_str());
  98
  99   m_modified = true;
 100   if (m_autosave)
 101     save();
 102 }
 103
 104 void Configuration::setValue(const string &rname, unsigned long value) {
 105   assert(m_database != NULL);
 106
 107   string rc_string = rname + ": " + itostring(value);
 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, 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, const char *value) {
 127   assert(m_database != NULL);
 128   assert(value != NULL);
 129
 130   string rc_string = rname + ": " + value;
 131   XrmPutLineResource(&m_database, rc_string.c_str());
 132
 133   m_modified = true;
 134   if (m_autosave)
 135     save();
 136 }
 137
 138 void Configuration::setValue(const string &rname, const string &value) {
 139   assert(m_database != 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 bool Configuration::getValue(const string &rname, bool &value) const {
 150   assert(m_database != NULL);
 151
 152   string rclass = createClassName(rname);
 153
 154   char *rettype;
 155   XrmValue retvalue;
 156   if (0 == XrmGetResource(m_database, rname.c_str(), rclass.c_str(),
 157                           &rettype, &retvalue) || retvalue.addr == NULL)
 158     return false;
 159   string val = retvalue.addr;
 160   if (val == "true" || val == "True")
 161     value = true;
 162   else
 163     value = false;
 164   return true;
 165 }
 166
 167 bool Configuration::getValue(const string &rname, long &value) const {
 168   assert(m_database != NULL);
 169
 170   string rclass = createClassName(rname);
 171
 172   char *rettype;
 173   XrmValue retvalue;
 174   if (0 == XrmGetResource(m_database, rname.c_str(), rclass.c_str(),
 175                           &rettype, &retvalue) || retvalue.addr == NULL)
 176     return false;
 177   char *end;
 178   value = strtol(retvalue.addr, &end, 10);
 179   if (end == retvalue.addr)
 180     return false;
 181   return true;
 182 }
 183
 184 bool Configuration::getValue(const string &rname, unsigned long &value) const {
 185   assert(m_database != NULL);
 186
 187   string rclass = createClassName(rname);
 188
 189   char *rettype;
 190   XrmValue retvalue;
 191   if (0 == XrmGetResource(m_database, rname.c_str(), rclass.c_str(),
 192                           &rettype, &retvalue) || retvalue.addr == NULL)
 193     return false;
 194   char *end;
 195   value = strtoul(retvalue.addr, &end, 10);
 196   if (end == retvalue.addr)
 197     return false;
 198   return true;
 199 }
 200
 201 bool Configuration::getValue(const string &rname,
 202                              string &value) const {
 203   assert(m_database != NULL);
 204
 205   string rclass = createClassName(rname);
 206
 207   char *rettype;
 208   XrmValue retvalue;
 209   if (0 == XrmGetResource(m_database, rname.c_str(), rclass.c_str(),
 210                           &rettype, &retvalue) || retvalue.addr == NULL)
 211     return false;
 212   value = retvalue.addr;
 213   return true;
 214 }
 215
 216
 217 string Configuration::createClassName(const string &rname) const {
 218   string rclass(rname);
 219
 220   string::iterator it = rclass.begin(), end = rclass.end();
 221   while (true) {
 222     *it = toUpper(*it);
 223     ++it;
 224     if (it == end) break;
 225     it = std::find(it, rclass.end(), '.');
 226     if (it == end) break;
 227     ++it;
 228     if (it == end) break;
 229   }
 230   return rclass;
 231 }
 232
 233
 234 char Configuration::toUpper(char c) const {
 235   if (c >= 'a' && c <= 'z')
 236     return c - 'a' + 'A';
 237   return c;
 238 }