1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- |
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2 | * |
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3 | * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu> |
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4 | * |
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5 | * This program is free software; you can redistribute it and/or modify |
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6 | * it under the terms of the GNU General Public License as published by |
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7 | * the Free Software Foundation; either version 2 of the License, or |
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8 | * (at your option) any later version. |
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9 | * |
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10 | * This program is distributed in the hope that it will be useful, |
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | * GNU General Public License for more details. |
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14 | * |
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15 | * You should have received a copy of the GNU General Public License |
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16 | * along with this program; if not, write to the Free Software |
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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18 | * |
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19 | */ |
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20 | |
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21 | #include "config.h" |
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22 | |
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23 | #include <stdlib.h> |
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24 | #include <stdio.h> |
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25 | #include <fcntl.h> |
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26 | #include <unistd.h> |
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27 | #include <string.h> |
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28 | #include <signal.h> |
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29 | #include <sys/stat.h> |
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30 | #include <sys/types.h> |
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31 | |
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32 | #include <glib.h> |
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33 | #include <glib/gi18n.h> |
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34 | #include <glib/gstdio.h> |
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35 | #include <glib-object.h> |
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36 | |
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37 | #include "gdm-settings.h" |
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38 | #include "gdm-settings-utils.h" |
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39 | #include "gdm-settings-direct.h" |
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40 | |
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41 | static GHashTable *schemas; |
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42 | static GdmSettings *settings_object; |
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43 | |
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44 | static GdmSettingsEntry * |
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45 | get_entry_for_key (const char *key) |
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46 | { |
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47 | GdmSettingsEntry *entry; |
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48 | |
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49 | entry = g_hash_table_lookup (schemas, key); |
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50 | |
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51 | return entry; |
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52 | } |
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53 | |
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54 | static void |
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55 | assert_signature (GdmSettingsEntry *entry, |
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56 | const char *signature) |
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57 | { |
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58 | const char *sig; |
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59 | |
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60 | sig = gdm_settings_entry_get_signature (entry); |
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61 | |
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62 | g_assert (sig != NULL); |
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63 | g_assert (signature != NULL); |
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64 | g_assert (strcmp (signature, sig) == 0); |
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65 | } |
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66 | |
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67 | static gboolean |
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68 | get_value (const char *key, |
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69 | char **value) |
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70 | { |
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71 | GError *error; |
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72 | char *str; |
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73 | gboolean res; |
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74 | |
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75 | error = NULL; |
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76 | res = gdm_settings_get_value (settings_object, key, &str, &error); |
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77 | if (! res) { |
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78 | if (error != NULL) { |
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79 | g_error_free (error); |
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80 | } else { |
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81 | } |
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82 | |
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83 | return FALSE; |
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84 | } |
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85 | |
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86 | if (value != NULL) { |
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87 | *value = g_strdup (str); |
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88 | } |
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89 | |
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90 | g_free (str); |
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91 | |
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92 | return TRUE; |
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93 | } |
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94 | |
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95 | gboolean |
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96 | gdm_settings_direct_get_int (const char *key, |
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97 | int *value) |
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98 | { |
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99 | GdmSettingsEntry *entry; |
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100 | gboolean ret; |
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101 | gboolean res; |
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102 | char *str; |
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103 | |
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104 | g_return_val_if_fail (key != NULL, FALSE); |
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105 | |
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106 | entry = get_entry_for_key (key); |
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107 | g_assert (entry != NULL); |
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108 | |
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109 | assert_signature (entry, "i"); |
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110 | |
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111 | ret = FALSE; |
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112 | |
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113 | res = get_value (key, &str); |
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114 | |
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115 | if (! res) { |
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116 | /* use the default */ |
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117 | str = g_strdup (gdm_settings_entry_get_default_value (entry)); |
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118 | } |
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119 | |
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120 | ret = gdm_settings_parse_value_as_integer (str, value); |
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121 | |
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122 | g_free (str); |
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123 | |
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124 | return ret; |
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125 | } |
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126 | |
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127 | gboolean |
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128 | gdm_settings_direct_get_uint (const char *key, |
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129 | uint *value) |
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130 | { |
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131 | gboolean ret; |
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132 | int intvalue; |
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133 | |
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134 | ret = FALSE; |
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135 | ret = gdm_settings_direct_get_int (key, &intvalue); |
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136 | |
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137 | if (intvalue >= 0) |
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138 | *value = intvalue; |
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139 | else |
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140 | ret = FALSE; |
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141 | |
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142 | return ret; |
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143 | } |
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144 | |
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145 | gboolean |
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146 | gdm_settings_direct_get_boolean (const char *key, |
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147 | gboolean *value) |
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148 | { |
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149 | GdmSettingsEntry *entry; |
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150 | gboolean ret; |
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151 | gboolean res; |
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152 | char *str; |
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153 | |
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154 | g_return_val_if_fail (key != NULL, FALSE); |
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155 | |
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156 | entry = get_entry_for_key (key); |
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157 | g_assert (entry != NULL); |
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158 | |
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159 | assert_signature (entry, "b"); |
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160 | |
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161 | ret = FALSE; |
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162 | |
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163 | res = get_value (key, &str); |
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164 | |
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165 | if (! res) { |
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166 | /* use the default */ |
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167 | str = g_strdup (gdm_settings_entry_get_default_value (entry)); |
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168 | } |
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169 | |
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170 | ret = gdm_settings_parse_value_as_boolean (str, value); |
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171 | |
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172 | g_free (str); |
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173 | |
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174 | return ret; |
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175 | } |
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176 | |
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177 | gboolean |
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178 | gdm_settings_direct_get_string (const char *key, |
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179 | char **value) |
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180 | { |
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181 | GdmSettingsEntry *entry; |
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182 | gboolean ret; |
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183 | gboolean res; |
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184 | char *str; |
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185 | |
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186 | g_return_val_if_fail (key != NULL, FALSE); |
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187 | |
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188 | entry = get_entry_for_key (key); |
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189 | g_assert (entry != NULL); |
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190 | |
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191 | assert_signature (entry, "s"); |
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192 | |
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193 | ret = FALSE; |
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194 | |
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195 | res = get_value (key, &str); |
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196 | |
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197 | if (! res) { |
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198 | /* use the default */ |
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199 | str = g_strdup (gdm_settings_entry_get_default_value (entry)); |
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200 | } |
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201 | |
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202 | if (value != NULL) { |
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203 | *value = g_strdup (str); |
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204 | } |
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205 | |
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206 | g_free (str); |
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207 | |
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208 | return ret; |
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209 | } |
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210 | |
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211 | gboolean |
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212 | gdm_settings_direct_set (const char *key, |
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213 | GValue *value) |
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214 | { |
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215 | return TRUE; |
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216 | } |
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217 | |
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218 | static void |
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219 | hashify_list (GdmSettingsEntry *entry, |
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220 | gpointer data) |
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221 | { |
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222 | g_hash_table_insert (schemas, g_strdup (gdm_settings_entry_get_key (entry)), entry); |
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223 | } |
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224 | |
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225 | gboolean |
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226 | gdm_settings_direct_init (GdmSettings *settings, |
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227 | const char *file, |
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228 | const char *root) |
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229 | { |
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230 | GSList *list; |
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231 | |
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232 | g_return_val_if_fail (file != NULL, FALSE); |
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233 | g_return_val_if_fail (root != NULL, FALSE); |
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234 | |
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235 | g_assert (schemas == NULL); |
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236 | |
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237 | if (! gdm_settings_parse_schemas (file, root, &list)) { |
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238 | g_warning ("Unable to parse schemas"); |
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239 | return FALSE; |
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240 | } |
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241 | |
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242 | schemas = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify)gdm_settings_entry_free); |
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243 | g_slist_foreach (list, (GFunc)hashify_list, NULL); |
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244 | |
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245 | settings_object = settings; |
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246 | |
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247 | return TRUE; |
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248 | } |
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249 | |
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250 | void |
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251 | gdm_settings_direct_shutdown (void) |
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252 | { |
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253 | |
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254 | } |
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