Mercurial > ~mikael > mcabber > hg
annotate mcabber/src/settings.c @ 293:d0295e735768
Assignment lvalue (key, option name, alias...) cannnot contain spaces
| author | Mikael Berthe <mikael@lilotux.net> |
|---|---|
| date | Sat, 09 Jul 2005 09:50:01 +0100 |
| parents | 1eea0fa0955e |
| children | 871e53769084 |
| rev | line source |
|---|---|
| 279 | 1 /* |
| 2 * settings.c -- Configuration stuff | |
| 3 * | |
| 4 * Copyright (C) 2005 Mikael Berthe <bmikael@lists.lilotux.net> | |
| 5 * | |
| 6 * This program is free software; you can redistribute it and/or modify | |
| 7 * it under the terms of the GNU General Public License as published by | |
| 8 * the Free Software Foundation; either version 2 of the License, or (at | |
| 9 * your option) any later version. | |
| 10 * | |
| 11 * This program is distributed in the hope that it will be useful, but | |
| 12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 * General Public License for more details. | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License | |
| 17 * along with this program; if not, write to the Free Software | |
| 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
| 19 * USA | |
| 20 */ | |
| 21 | |
| 22 #include <strings.h> | |
| 23 #include <stdlib.h> | |
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24 #include <ctype.h> |
| 279 | 25 |
| 26 #include "settings.h" | |
| 27 | |
| 28 static GSList *option; | |
| 29 static GSList *alias; | |
| 30 static GSList *binding; | |
| 31 | |
| 32 | |
| 33 typedef struct { | |
| 34 gchar *name; | |
| 35 gchar *value; | |
| 36 } T_setting; | |
| 37 | |
| 38 inline GSList **get_list_ptr(guint type) | |
| 39 { | |
| 40 if (type == SETTINGS_TYPE_OPTION) return &option; | |
| 41 else if (type == SETTINGS_TYPE_ALIAS) return &alias; | |
| 42 else if (type == SETTINGS_TYPE_BINDING) return &binding; | |
| 43 return NULL; | |
| 44 } | |
| 45 | |
| 46 // Return a pointer to the node with the requested key, or NULL if none found | |
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47 GSList *settings_find(GSList *list, const gchar *key) |
| 279 | 48 { |
| 49 GSList *ptr; | |
| 50 | |
| 51 if (!list) return NULL; | |
| 52 | |
| 53 for (ptr = list ; ptr; ptr = g_slist_next(ptr)) | |
| 54 if (!strcasecmp(key, ((T_setting*)ptr->data)->name)) | |
| 55 break; | |
| 56 | |
| 57 return ptr; | |
| 58 } | |
| 59 | |
| 60 /* -- */ | |
| 61 | |
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62 // parse_assigment(assignment, pkey, pval) |
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63 // Read assignment and split it to key, value |
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64 // |
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65 // If this is an assignment, the function will return TRUE and |
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66 // set *pkey and *pval (*pval is set to NULL if value field is empty). |
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67 // |
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68 // If this isn't a assignment (no = char), the function will set *pval |
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69 // to NULL and return FALSE. |
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70 // |
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71 // The called should g_free() *pkey and *pval (if not NULL) after use. |
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72 guint parse_assigment(gchar *assignment, const gchar **pkey, const gchar **pval) |
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73 { |
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74 char *key, *val, *t, *p; |
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75 |
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76 *pkey = *pval = NULL; |
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77 |
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78 key = assignment; |
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79 // Remove leading spaces in option name |
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80 while ((!isalnum(*key)) && (*key != '=') && *key) { |
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81 //if (!isblank(*key)) |
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82 // scr_LogPrint("Error in assignment parsing!"); |
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83 key++; |
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84 } |
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85 if (!*key) return FALSE; // Empty assignment |
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86 |
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87 if (*key == '=') { |
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88 //scr_LogPrint("Cannot parse assignment!"); |
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89 return FALSE; |
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90 } |
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91 // Ok, key points to the option name |
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92 |
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93 for (val = key+1 ; *val && (*val != '=') ; val++) |
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94 if (!isalnum(*val) && !isblank(*val) && (*val != '_') && (*val != '-')) { |
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95 // Key should only have alnum chars... |
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96 //scr_LogPrint("Error in assignment parsing!"); |
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97 return FALSE; |
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98 } |
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99 // Remove trailing spaces in option name: |
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100 for (t = val-1 ; t > key && isblank(*t) ; t--) |
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101 ; |
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102 // Check for embedded whitespace characters |
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103 for (p = key; p < t; p++) { |
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104 if (isblank(*p)) { |
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105 //scr_LogPrint("Error in assignment parsing!" |
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106 // " (Name should not contain space chars)"); |
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107 return FALSE; |
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108 } |
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109 } |
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110 |
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111 *pkey = g_strndup(key, t+1-key); |
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112 |
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113 if (!*val) return FALSE; // Not an assignment |
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114 |
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115 // Remove leading and trailing spaces in option value: |
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116 for (val++; *val && isblank(*val) ; val++) ; |
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117 for (t = val ; *t ; t++) ; |
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118 for (t-- ; t >= val && isblank(*t) ; t--) ; |
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119 |
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120 if (t < val) return TRUE; // no value (variable reset for example) |
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121 |
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122 *pval = g_strndup(val, t+1-val); |
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123 return TRUE; |
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124 } |
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125 |
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126 void settings_set(guint type, const gchar *key, const gchar *value) |
| 279 | 127 { |
| 128 GSList **plist; | |
| 129 GSList *sptr; | |
| 130 T_setting *setting; | |
| 131 | |
| 132 plist = get_list_ptr(type); | |
| 133 if (!plist) return; | |
| 134 | |
| 135 sptr = settings_find(*plist, key); | |
| 136 if (sptr) { | |
| 137 // The setting has been found. We will update it or delete it. | |
| 138 setting = (T_setting*)sptr->data; | |
| 139 if (setting->value) | |
| 140 g_free(setting->value); | |
| 141 if (!value) { | |
| 142 // Let's remove the setting | |
| 143 g_free(setting->name); | |
| 144 *plist = g_slist_delete_link(*plist, sptr); | |
| 145 } else { | |
| 146 // Let's update the setting | |
| 147 setting->value = g_strdup(value); | |
| 148 } | |
| 149 } else if (value) { | |
| 150 setting = g_new(T_setting, 1); | |
| 151 setting->name = g_strdup(key); | |
| 152 setting->value = g_strdup(value); | |
| 153 *plist = g_slist_append(*plist, setting); | |
| 154 } | |
| 155 } | |
| 156 | |
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157 void settings_del(guint type, const gchar *key) |
| 279 | 158 { |
| 159 settings_set(type, key, NULL); | |
| 160 } | |
| 161 | |
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162 const gchar *settings_get(guint type, const gchar *key) |
| 279 | 163 { |
| 164 GSList **plist; | |
| 165 GSList *sptr; | |
| 166 T_setting *setting; | |
| 167 | |
| 168 plist = get_list_ptr(type); | |
| 169 sptr = settings_find(*plist, key); | |
| 170 if (!sptr) return NULL; | |
| 171 | |
| 172 setting = (T_setting*)sptr->data; | |
| 173 return setting->value; | |
| 174 } | |
| 175 | |
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176 int settings_get_int(guint type, const gchar *key) |
| 279 | 177 { |
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178 const gchar *setval = settings_get(type, key); |
| 279 | 179 |
| 180 if (setval) return atoi(setval); | |
| 181 return 0; | |
| 182 } | |
| 183 | |
| 288 | 184 // Return the command the key is bound to, or NULL. |
| 185 const gchar *isbound(int key) | |
| 186 { | |
| 187 gchar asciikey[16]; | |
| 188 g_snprintf(asciikey, 15, "%d", key); | |
| 189 return settings_get(SETTINGS_TYPE_BINDING, asciikey); | |
| 190 } | |
| 191 |