1 | // ==================================================================== // |
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2 | // // |
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3 | // File : AWT_config_manager.cxx // |
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4 | // Purpose : // |
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5 | // // |
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6 | // // |
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7 | // Coded by Ralf Westram (coder@reallysoft.de) in January 2002 // |
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8 | // Copyright Department of Microbiology (Technical University Munich) // |
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9 | // // |
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10 | // Visit our web site at: http://www.arb-home.de/ // |
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11 | // // |
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12 | // // |
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13 | // ==================================================================== // |
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14 | |
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15 | #include "awt_config_manager.hxx" |
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16 | #include "awt.hxx" |
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17 | #include <arbdb.h> |
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18 | #include <aw_window.hxx> |
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19 | #include <aw_root.hxx> |
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20 | #include <aw_question.hxx> |
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21 | #include <aw_awar.hxx> |
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22 | #include <aw_msg.hxx> |
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23 | #include <aw_select.hxx> |
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24 | #include <arb_strarray.h> |
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25 | |
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26 | #include <map> |
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27 | #include <string> |
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28 | #include "awt_sel_boxes.hxx" |
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29 | #include <arb_defs.h> |
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30 | |
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31 | using namespace std; |
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32 | |
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33 | // -------------------------- |
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34 | // AWT_configuration |
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35 | |
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36 | class AWT_configuration : virtual Noncopyable { |
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37 | private: |
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38 | string id; |
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39 | |
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40 | AWT_store_config_to_string store; |
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41 | AWT_load_config_from_string load; |
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42 | |
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43 | AW_CL client1; // client data for callbacks above |
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44 | AW_CL client2; |
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45 | |
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46 | AW_default default_file; |
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47 | |
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48 | public: |
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49 | AWT_configuration(AW_default default_file_, const char *id_, AWT_store_config_to_string store_, AWT_load_config_from_string load_, AW_CL cl1, AW_CL cl2) |
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50 | : id(id_), |
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51 | store(store_), |
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52 | load(load_), |
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53 | client1(cl1), |
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54 | client2(cl2), |
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55 | default_file(default_file_) |
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56 | {} |
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57 | |
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58 | bool operator<(const AWT_configuration& other) const { return id<other.id; } |
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59 | |
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60 | string get_awar_name(const string& subname) const { return string("general_configs/")+id+'/'+subname; } |
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61 | AW_awar *get_awar(const string& subname, const char *default_value = "") const { |
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62 | string awar_name = get_awar_name(subname); |
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63 | return AW_root::SINGLETON->awar_string(awar_name.c_str(), default_value, default_file); |
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64 | } |
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65 | |
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66 | string get_awar_value(const string& subname, const char *default_value = "") const { |
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67 | char *value = get_awar(subname, default_value)->read_string(); |
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68 | string result = value; |
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69 | free(value); |
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70 | return result; |
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71 | } |
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72 | void set_awar_value(const string& subname, const string& new_value) const { |
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73 | get_awar(subname)->write_string(new_value.c_str()); |
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74 | } |
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75 | |
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76 | const char *get_id() const { return id.c_str(); } |
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77 | |
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78 | char *Store() const { return store(client1, client2); } |
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79 | GB_ERROR Restore(const string& s) const { |
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80 | GB_ERROR error = 0; |
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81 | |
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82 | if (s.empty()) error = "empty/nonexistant config"; |
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83 | else load(s.c_str(), client1, client2); |
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84 | |
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85 | return error; |
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86 | } |
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87 | |
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88 | GB_ERROR Save(const char* filename, const string& awar_name); // AWAR content -> FILE |
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89 | GB_ERROR Load(const char* filename, const string& awar_name); // FILE -> AWAR content |
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90 | }; |
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91 | |
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92 | #define HEADER "ARB_CONFIGURATION" |
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93 | #define HEADERLEN 17 |
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94 | |
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95 | GB_ERROR AWT_configuration::Save(const char* filename, const string& awar_name) { |
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96 | awt_assert(strlen(HEADER) == HEADERLEN); |
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97 | |
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98 | printf("Saving config to '%s'..\n", filename); |
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99 | |
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100 | FILE *out = fopen(filename, "wt"); |
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101 | GB_ERROR error = 0; |
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102 | if (!out) { |
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103 | error = GB_export_IO_error("saving", filename); |
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104 | } |
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105 | else { |
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106 | fprintf(out, HEADER ":%s\n", id.c_str()); |
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107 | string content = get_awar_value(awar_name); |
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108 | fputs(content.c_str(), out); |
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109 | fclose(out); |
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110 | } |
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111 | return error; |
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112 | } |
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113 | |
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114 | GB_ERROR AWT_configuration::Load(const char* filename, const string& awar_name) { |
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115 | GB_ERROR error = 0; |
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116 | |
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117 | printf("Loading config from '%s'..\n", filename); |
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118 | |
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119 | char *content = GB_read_file(filename); |
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120 | if (!content) { |
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121 | error = GB_await_error(); |
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122 | } |
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123 | else { |
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124 | if (strncmp(content, HEADER ":", HEADERLEN+1) != 0) { |
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125 | error = "Unexpected content (" HEADER " missing)"; |
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126 | } |
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127 | else { |
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128 | char *id_pos = content+HEADERLEN+1; |
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129 | char *nl = strchr(id_pos, '\n'); |
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130 | |
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131 | if (!nl) { |
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132 | error = "Unexpected content (no ID)"; |
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133 | } |
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134 | else { |
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135 | *nl++ = 0; |
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136 | if (strcmp(id_pos, id.c_str()) != 0) { |
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137 | error = GBS_global_string("Wrong config (id=%s, expected=%s)", id_pos, id.c_str()); |
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138 | } |
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139 | else { |
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140 | set_awar_value(awar_name, nl); |
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141 | } |
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142 | } |
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143 | } |
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144 | |
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145 | if (error) { |
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146 | error = GBS_global_string("Error: %s (while reading %s)", error, filename); |
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147 | } |
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148 | |
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149 | free(content); |
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150 | } |
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151 | |
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152 | return error; |
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153 | } |
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154 | |
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155 | void remove_from_configs(const string& config, string& existing_configs) { |
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156 | ConstStrArray cfgs; |
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157 | GBT_split_string(cfgs, existing_configs.c_str(), ';'); |
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158 | |
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159 | ConstStrArray remaining; |
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160 | for (int i = 0; cfgs[i]; ++i) { |
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161 | if (strcmp(cfgs[i], config.c_str()) != 0) { |
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162 | remaining.put(cfgs[i]); |
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163 | } |
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164 | } |
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165 | |
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166 | char *rest = GBT_join_names(remaining, ';'); |
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167 | existing_configs = rest; |
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168 | free(rest); |
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169 | } |
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170 | |
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171 | static string config_prefix = "cfg_"; |
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172 | |
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173 | static void correct_key_name_cb(AW_root*, AW_awar *awar) { |
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174 | string with_prefix = config_prefix+awar->read_char_pntr(); |
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175 | char *corrected = GBS_string_2_key(with_prefix.c_str()); |
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176 | awar->write_string(corrected+config_prefix.length()); |
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177 | free(corrected); |
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178 | } |
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179 | |
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180 | static void restore_cb(AW_window *, AWT_configuration *config) { |
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181 | string cfgName = config->get_awar_value("current"); |
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182 | string awar_name = config_prefix+cfgName; |
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183 | GB_ERROR error = config->Restore(config->get_awar_value(awar_name)); |
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184 | aw_message_if(error); |
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185 | } |
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186 | static void store_cb(AW_window *, AWT_configuration *config) { |
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187 | string existing = config->get_awar_value("existing"); |
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188 | string cfgName = config->get_awar_value("current"); |
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189 | |
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190 | remove_from_configs(cfgName, existing); // remove selected from existing configs |
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191 | |
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192 | existing = existing.empty() ? cfgName : (string(cfgName)+';'+existing); |
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193 | { |
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194 | char *config_string = config->Store(); |
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195 | string awar_name = config_prefix+cfgName; |
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196 | config->set_awar_value(awar_name, config_string); |
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197 | free(config_string); |
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198 | } |
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199 | config->set_awar_value("existing", existing); |
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200 | } |
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201 | static void delete_cb(AW_window *, AWT_configuration *config) { |
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202 | string existing = config->get_awar_value("existing"); |
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203 | string cfgName = config->get_awar_value("current"); |
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204 | remove_from_configs(cfgName, existing); // remove selected from existing configs |
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205 | config->set_awar_value("current", ""); |
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206 | config->set_awar_value("existing", existing); |
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207 | } |
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208 | static void load_cb(AW_window *, AWT_configuration *config) { |
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209 | string cfgName = config->get_awar_value("current"); |
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210 | GB_ERROR error = NULL; |
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211 | |
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212 | if (cfgName.empty()) error = "Please enter or select target config"; |
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213 | else { |
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214 | char *loadMask = GBS_global_string_copy("%s_*", config->get_id()); |
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215 | char *filename = aw_file_selection("Load config from file", "$(ARBCONFIG)", loadMask, ".arbcfg"); |
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216 | if (filename) { |
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217 | string awar_name = config_prefix+cfgName; |
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218 | |
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219 | error = config->Load(filename, awar_name); |
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220 | if (!error) { |
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221 | // after successful load restore and store config |
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222 | restore_cb(NULL, config); |
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223 | store_cb(NULL, config); |
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224 | } |
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225 | free(filename); |
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226 | } |
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227 | free(loadMask); |
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228 | } |
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229 | aw_message_if(error); |
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230 | } |
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231 | static void save_cb(AW_window *, AWT_configuration *config) { |
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232 | string cfgName = config->get_awar_value("current"); |
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233 | GB_ERROR error = NULL; |
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234 | |
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235 | if (cfgName.empty()) error = "Please enter or select config to save"; |
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236 | else { |
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237 | char *saveAs = GBS_global_string_copy("%s_%s", config->get_id(), cfgName.c_str()); |
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238 | char *filename = aw_file_selection("Save config to file", "$(ARBCONFIG)", saveAs, ".arbcfg"); |
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239 | if (filename) { |
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240 | store_cb(NULL, config); |
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241 | string awar_name = config_prefix+cfgName; |
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242 | error = config->Save(filename, awar_name); |
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243 | free(filename); |
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244 | } |
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245 | free(saveAs); |
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246 | } |
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247 | aw_message_if(error); |
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248 | } |
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249 | |
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250 | static void refresh_config_sellist_cb(AW_root*, AWT_configuration *config, AW_selection_list *sel) { |
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251 | string cfgs_str = config->get_awar_value("existing"); |
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252 | ConstStrArray cfgs; |
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253 | GBT_split_string(cfgs, cfgs_str.c_str(), ';'); |
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254 | sel->init_from_array(cfgs, "<new>", ""); |
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255 | } |
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256 | |
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257 | static AW_window *create_config_manager_window(AW_root *, AWT_configuration *config, AW_window *aww) { |
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258 | AW_window_simple *aws = new AW_window_simple; |
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259 | |
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260 | char *title = GBS_global_string_copy("Configurations for '%s'", aww->get_window_title()); |
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261 | char *id = GBS_global_string_copy("%s_config", aww->get_window_id()); |
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262 | |
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263 | aws->init(aww->get_root(), id, title); |
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264 | aws->load_xfig("awt/manage_config.fig"); |
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265 | |
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266 | aws->at("close"); |
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267 | aws->callback(AW_POPDOWN); |
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268 | aws->create_button("CLOSE", "CLOSE"); |
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269 | |
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270 | aws->at("help"); |
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271 | aws->callback(makeHelpCallback("configurations.hlp")); |
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272 | aws->create_button("HELP", "HELP"); |
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273 | |
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274 | // create awars |
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275 | AW_awar *awar_existing = config->get_awar("existing"); |
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276 | AW_awar *awar_current = config->get_awar("current"); |
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277 | awar_current->add_callback(makeRootCallback(correct_key_name_cb, awar_current)); |
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278 | |
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279 | AW_selection_list *sel = awt_create_selection_list_with_input_field(aws, awar_current->awar_name, "box", "name"); |
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280 | |
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281 | awar_existing->add_callback(makeRootCallback(refresh_config_sellist_cb, config, sel)); |
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282 | awar_existing->touch(); // fills selection list |
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283 | |
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284 | aws->auto_space(0, 3); |
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285 | aws->button_length(10); |
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286 | aws->at("button"); |
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287 | |
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288 | int xpos = aws->get_at_xposition(); |
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289 | int ypos = aws->get_at_yposition(); |
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290 | |
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291 | int yoffset = 0; // irrelevant for 1st loop |
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292 | |
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293 | struct but { |
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294 | void (*cb)(AW_window*, AWT_configuration*); |
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295 | const char *id; |
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296 | const char *label; |
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297 | const char *mnemonic; |
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298 | } butDef[] = { |
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299 | { restore_cb, "RESTORE", "Restore", "R" }, |
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300 | { store_cb, "STORE", "Store", "S" }, |
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301 | { delete_cb, "DELETE", "Delete", "D" }, |
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302 | { load_cb, "LOAD", "Load", "L" }, |
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303 | { save_cb, "SAVE", "Save", "v" }, |
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304 | }; |
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305 | const int buttons = ARRAY_ELEMS(butDef); |
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306 | for (int b = 0; b<buttons; ++b) { |
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307 | const but& B = butDef[b]; |
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308 | |
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309 | if (b>0) aws->at(xpos, ypos + b*yoffset); |
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310 | |
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311 | aws->callback(makeWindowCallback(B.cb, config)); |
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312 | aws->create_button(B.id, B.label, B.mnemonic); |
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313 | |
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314 | if (!b) { |
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315 | aws->at_newline(); |
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316 | int ypos2 = aws->get_at_yposition(); |
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317 | yoffset = ypos2-ypos; |
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318 | aws->at_x(xpos); |
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319 | } |
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320 | } |
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321 | |
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322 | return aws; |
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323 | } |
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324 | |
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325 | static void destroy_AWT_configuration(AWT_configuration *c, AW_window*) { delete c; } |
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326 | |
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327 | void AWT_insert_config_manager(AW_window *aww, AW_default default_file_, const char *id, AWT_store_config_to_string store_cb, |
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328 | AWT_load_config_from_string load_cb, AW_CL cl1, AW_CL cl2, const char *macro_id) |
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329 | { |
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330 | /*! inserts a config-button into aww |
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331 | * @param default_file_ db where configs will be stored |
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332 | * @param id unique id (has to be a key) |
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333 | * @param store_cb creates a string from current state |
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334 | * @param load_cb restores state from string |
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335 | * @param macro_id custom macro id (normally NULL will do) |
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336 | */ |
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337 | AWT_configuration * const config = new AWT_configuration(default_file_, id, store_cb, load_cb, cl1, cl2); |
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338 | |
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339 | aww->button_length(0); // -> autodetect size by size of graphic |
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340 | aww->callback(makeCreateWindowCallback(create_config_manager_window, destroy_AWT_configuration, config, aww)); |
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341 | aww->create_button(macro_id ? macro_id : "SAVELOAD_CONFIG", "#conf_save.xpm"); |
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342 | } |
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343 | |
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344 | static GB_ERROR decode_escapes(string& s) { |
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345 | string::iterator f = s.begin(); |
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346 | string::iterator t = s.begin(); |
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347 | |
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348 | for (; f != s.end(); ++f, ++t) { |
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349 | if (*f == '\\') { |
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350 | ++f; |
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351 | if (f == s.end()) return GBS_global_string("Trailing \\ in '%s'", s.c_str()); |
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352 | switch (*f) { |
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353 | case 'n': |
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354 | *t = '\n'; |
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355 | break; |
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356 | case 'r': |
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357 | *t = '\r'; |
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358 | break; |
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359 | case 't': |
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360 | *t = '\t'; |
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361 | break; |
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362 | default: |
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363 | *t = *f; |
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364 | break; |
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365 | } |
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366 | } |
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367 | else { |
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368 | *t = *f; |
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369 | } |
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370 | } |
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371 | |
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372 | s.erase(t, f); |
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373 | |
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374 | return 0; |
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375 | } |
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376 | |
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377 | static void encode_escapes(string& s, const char *to_escape) { |
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378 | string neu; |
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379 | neu.reserve(s.length()*2+1); |
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380 | |
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381 | for (string::iterator p = s.begin(); p != s.end(); ++p) { |
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382 | if (*p == '\\' || strchr(to_escape, *p) != 0) { |
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383 | neu = neu+'\\'+*p; |
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384 | } |
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385 | else if (*p == '\n') { neu = neu+"\\n"; } |
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386 | else if (*p == '\r') { neu = neu+"\\r"; } |
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387 | else if (*p == '\t') { neu = neu+"\\t"; } |
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388 | else { neu = neu+*p; } |
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389 | } |
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390 | s = neu; |
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391 | } |
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392 | |
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393 | typedef map<string, string> config_map; |
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394 | struct AWT_config_mapping { |
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395 | config_map cmap; |
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396 | |
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397 | config_map::iterator entry(const string &e) { return cmap.find(e); } |
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398 | |
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399 | config_map::iterator begin() { return cmap.begin(); } |
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400 | config_map::const_iterator end() const { return cmap.end(); } |
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401 | config_map::iterator end() { return cmap.end(); } |
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402 | }; |
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403 | |
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404 | // ------------------- |
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405 | // AWT_config |
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406 | |
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407 | AWT_config::AWT_config(const char *config_char_ptr) |
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408 | : mapping(new AWT_config_mapping) |
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409 | , parse_error(0) |
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410 | { |
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411 | // parse string in format "key1='value1';key2='value2'".. |
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412 | // and put values into a map. |
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413 | // assumes that keys are unique |
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414 | |
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415 | string configString(config_char_ptr); |
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416 | config_map& cmap = mapping->cmap; |
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417 | size_t pos = 0; |
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418 | |
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419 | while (!parse_error) { |
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420 | size_t equal = configString.find('=', pos); |
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421 | if (equal == string::npos) break; |
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422 | |
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423 | if (configString[equal+1] != '\'') { |
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424 | parse_error = "expected quote \"'\""; |
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425 | break; |
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426 | } |
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427 | size_t start = equal+2; |
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428 | size_t end = configString.find('\'', start); |
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429 | while (end != string::npos) { |
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430 | if (configString[end-1] != '\\') break; |
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431 | end = configString.find('\'', end+1); |
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432 | } |
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433 | if (end == string::npos) { |
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434 | parse_error = "could not find matching quote \"'\""; |
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435 | break; |
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436 | } |
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437 | |
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438 | string config_name = configString.substr(pos, equal-pos); |
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439 | string value = configString.substr(start, end-start); |
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440 | |
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441 | parse_error = decode_escapes(value); |
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442 | if (!parse_error) { |
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443 | cmap[config_name] = value; |
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444 | } |
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445 | |
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446 | pos = end+2; // skip ';' |
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447 | } |
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448 | } |
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449 | AWT_config::AWT_config(const AWT_config_mapping *cfgname_2_awar) |
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450 | : mapping(new AWT_config_mapping), |
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451 | parse_error(0) |
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452 | { |
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453 | const config_map& awarmap = cfgname_2_awar->cmap; |
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454 | config_map& valuemap = mapping->cmap; |
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455 | AW_root *aw_root = AW_root::SINGLETON; |
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456 | |
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457 | for (config_map::const_iterator c = awarmap.begin(); c != awarmap.end(); ++c) { |
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458 | const string& key(c->first); |
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459 | const string& awar_name(c->second); |
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460 | |
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461 | char *awar_value = aw_root->awar(awar_name.c_str())->read_as_string(); |
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462 | valuemap[key] = awar_value; |
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463 | free(awar_value); |
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464 | } |
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465 | |
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466 | awt_assert(valuemap.size() == awarmap.size()); |
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467 | } |
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468 | |
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469 | AWT_config::~AWT_config() { |
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470 | delete mapping; |
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471 | } |
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472 | |
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473 | bool AWT_config::has_entry(const char *entry) const { |
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474 | awt_assert(!parse_error); |
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475 | return mapping->entry(entry) != mapping->end(); |
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476 | } |
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477 | const char *AWT_config::get_entry(const char *entry) const { |
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478 | awt_assert(!parse_error); |
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479 | config_map::iterator found = mapping->entry(entry); |
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480 | return (found == mapping->end()) ? 0 : found->second.c_str(); |
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481 | } |
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482 | void AWT_config::set_entry(const char *entry, const char *value) { |
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483 | awt_assert(!parse_error); |
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484 | mapping->cmap[entry] = value; |
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485 | } |
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486 | void AWT_config::delete_entry(const char *entry) { |
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487 | awt_assert(!parse_error); |
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488 | mapping->cmap.erase(entry); |
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489 | } |
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490 | |
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491 | char *AWT_config::config_string() const { |
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492 | awt_assert(!parse_error); |
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493 | string result; |
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494 | for (config_map::iterator e = mapping->begin(); e != mapping->end(); ++e) { |
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495 | const string& config_name(e->first); |
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496 | string value(e->second); |
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497 | |
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498 | encode_escapes(value, "\'"); |
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499 | string entry = config_name+"='"+value+'\''; |
---|
500 | if (result.empty()) { |
---|
501 | result = entry; |
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502 | } |
---|
503 | else { |
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504 | result = result+';'+entry; |
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505 | } |
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506 | } |
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507 | return strdup(result.c_str()); |
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508 | } |
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509 | GB_ERROR AWT_config::write_to_awars(const AWT_config_mapping *cfgname_2_awar) const { |
---|
510 | GB_ERROR error = 0; |
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511 | GB_transaction ta(AW_ROOT_DEFAULT); |
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512 | // Notes: |
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513 | // * Opening a TA on AW_ROOT_DEFAULT has no effect, as awar-DB is TA-free and each |
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514 | // awar-change opens a TA anyway. |
---|
515 | // * Motif version did open TA on awar->gb_var (in 1st loop), which would make a |
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516 | // difference IF the 1st awar is bound to main-DB. At best old behavior was obscure. |
---|
517 | |
---|
518 | awt_assert(!parse_error); |
---|
519 | AW_root *aw_root = AW_root::SINGLETON; |
---|
520 | for (config_map::iterator e = mapping->begin(); !error && e != mapping->end(); ++e) { |
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521 | const string& config_name(e->first); |
---|
522 | const string& value(e->second); |
---|
523 | |
---|
524 | config_map::const_iterator found = cfgname_2_awar->cmap.find(config_name); |
---|
525 | if (found == cfgname_2_awar->end()) { |
---|
526 | error = GBS_global_string("config contains unmapped entry '%s'", config_name.c_str()); |
---|
527 | } |
---|
528 | else { |
---|
529 | const string& awar_name(found->second); |
---|
530 | AW_awar *awar = aw_root->awar(awar_name.c_str()); |
---|
531 | awar->write_as_string(value.c_str()); |
---|
532 | } |
---|
533 | } |
---|
534 | return error; |
---|
535 | } |
---|
536 | |
---|
537 | // ------------------------------ |
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538 | // AWT_config_definition |
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539 | |
---|
540 | AWT_config_definition::AWT_config_definition() |
---|
541 | : config_mapping(new AWT_config_mapping) |
---|
542 | {} |
---|
543 | |
---|
544 | AWT_config_definition::AWT_config_definition(AWT_config_mapping_def *mdef) |
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545 | : config_mapping(new AWT_config_mapping) |
---|
546 | { |
---|
547 | add(mdef); |
---|
548 | } |
---|
549 | |
---|
550 | AWT_config_definition::~AWT_config_definition() { |
---|
551 | delete config_mapping; |
---|
552 | } |
---|
553 | |
---|
554 | void AWT_config_definition::add(const char *awar_name, const char *config_name) { |
---|
555 | config_mapping->cmap[config_name] = awar_name; |
---|
556 | } |
---|
557 | void AWT_config_definition::add(const char *awar_name, const char *config_name, int counter) { |
---|
558 | add(awar_name, GBS_global_string("%s%i", config_name, counter)); |
---|
559 | } |
---|
560 | void AWT_config_definition::add(AWT_config_mapping_def *mdef) { |
---|
561 | while (mdef->awar_name && mdef->config_name) { |
---|
562 | add(mdef->awar_name, mdef->config_name); |
---|
563 | mdef++; |
---|
564 | } |
---|
565 | } |
---|
566 | |
---|
567 | char *AWT_config_definition::read() const { |
---|
568 | // creates a string from awar values |
---|
569 | |
---|
570 | AWT_config current_state(config_mapping); |
---|
571 | return current_state.config_string(); |
---|
572 | } |
---|
573 | void AWT_config_definition::write(const char *config_char_ptr) const { |
---|
574 | // write values from string to awars |
---|
575 | // if the string contains unknown settings, they are silently ignored |
---|
576 | |
---|
577 | AWT_config wanted_state(config_char_ptr); |
---|
578 | GB_ERROR error = wanted_state.parseError(); |
---|
579 | if (!error) error = wanted_state.write_to_awars(config_mapping); |
---|
580 | if (error) aw_message(GBS_global_string("Error restoring configuration (%s)", error)); |
---|
581 | } |
---|
582 | |
---|