1 | // ==================================================================== // |
---|
2 | // // |
---|
3 | // File : AWT_config_manager.cxx // |
---|
4 | // Purpose : // |
---|
5 | // // |
---|
6 | // // |
---|
7 | // Coded by Ralf Westram (coder@reallysoft.de) in January 2002 // |
---|
8 | // Copyright Department of Microbiology (Technical University Munich) // |
---|
9 | // // |
---|
10 | // Visit our web site at: http://www.arb-home.de/ // |
---|
11 | // // |
---|
12 | // // |
---|
13 | // ==================================================================== // |
---|
14 | |
---|
15 | #include "awt.hxx" |
---|
16 | #include "awt_config_manager.hxx" |
---|
17 | |
---|
18 | #include <map> |
---|
19 | #include <string> |
---|
20 | #include <cstdlib> |
---|
21 | #include <cstring> |
---|
22 | |
---|
23 | using namespace std; |
---|
24 | |
---|
25 | // -------------------------------- |
---|
26 | // class AWT_configuration |
---|
27 | // -------------------------------- |
---|
28 | class AWT_configuration { |
---|
29 | private: |
---|
30 | string id; |
---|
31 | |
---|
32 | AWT_store_config_to_string store; |
---|
33 | AWT_load_config_from_string load; |
---|
34 | AW_CL client1; // client data |
---|
35 | AW_CL client2; |
---|
36 | |
---|
37 | AW_window *last_client_aww; |
---|
38 | AW_default default_file; |
---|
39 | |
---|
40 | public: |
---|
41 | AWT_configuration(AW_window *aww, AW_default default_file_, const char *id_, AWT_store_config_to_string store_, |
---|
42 | AWT_load_config_from_string load_, AW_CL cl1, AW_CL cl2) |
---|
43 | { |
---|
44 | id = id_; |
---|
45 | store = store_; |
---|
46 | load = load_; |
---|
47 | client1 = cl1; |
---|
48 | client2 = cl2; |
---|
49 | last_client_aww = aww; |
---|
50 | default_file = default_file_; |
---|
51 | } |
---|
52 | virtual ~AWT_configuration() {} |
---|
53 | |
---|
54 | bool operator<(const AWT_configuration& other) const { return id<other.id; } |
---|
55 | string get_awar_name(const string& subname) const { return string("general_configs/")+id+'/'+subname; } |
---|
56 | string get_awar_value(const string& subname, const char *default_value = "") const { |
---|
57 | AW_root *aw_root = last_client_aww->get_root(); |
---|
58 | string awar_name = get_awar_name(subname); |
---|
59 | char *value = aw_root->awar_string(awar_name.c_str(), default_value, default_file)->read_string(); |
---|
60 | string result = value; |
---|
61 | free(value); |
---|
62 | return result; |
---|
63 | } |
---|
64 | void set_awar_value(const string& subname, const string& new_value) const { |
---|
65 | AW_root *aw_root = last_client_aww->get_root(); |
---|
66 | aw_root->awar_string(get_awar_name(subname).c_str(), "")->write_string(new_value.c_str()); |
---|
67 | } |
---|
68 | |
---|
69 | char *Store() const { return store(last_client_aww, client1, client2); } |
---|
70 | void Restore(const string& s) const { return load(last_client_aww, s.c_str(), client1, client2); } |
---|
71 | }; |
---|
72 | |
---|
73 | // --------------------------------------------------------------------------------- |
---|
74 | // void remove_from_configs(const string& config, string& existing_configs) |
---|
75 | // --------------------------------------------------------------------------------- |
---|
76 | void remove_from_configs(const string& config, string& existing_configs) { |
---|
77 | size_t start = -1U; |
---|
78 | printf("erasing '%s' from '%s'\n", config.c_str(), existing_configs.c_str()); |
---|
79 | |
---|
80 | while (1) { |
---|
81 | start = existing_configs.find(config, start+1); |
---|
82 | if (start == string::npos) break; // not found |
---|
83 | if (start == 0 || existing_configs[start-1] == ';') { // config starts with string |
---|
84 | size_t stop = start+config.length(); |
---|
85 | if (stop != existing_configs.length()) { |
---|
86 | if (stop>existing_configs.length()) break; // not found |
---|
87 | if (existing_configs[stop] != ';') continue; // name continues |
---|
88 | } |
---|
89 | existing_configs.erase(start, stop-start+1); |
---|
90 | if (existing_configs[existing_configs.length()-1] == ';') { |
---|
91 | existing_configs.erase(existing_configs.length()-1); |
---|
92 | } |
---|
93 | remove_from_configs(config, existing_configs); |
---|
94 | break; |
---|
95 | } |
---|
96 | } |
---|
97 | #if defined(DEBUG) |
---|
98 | printf("result: '%s'\n", existing_configs.c_str()); |
---|
99 | #endif // DEBUG |
---|
100 | } |
---|
101 | // --------------------------------------------------------- |
---|
102 | // static char *correct_key_name(const char *name) |
---|
103 | // --------------------------------------------------------- |
---|
104 | static char *correct_key_name(const char *name) { |
---|
105 | char *corrected = GBS_string_2_key(name); |
---|
106 | |
---|
107 | if (strcmp(corrected, "__") == 0) freedup(corrected, ""); |
---|
108 | return corrected; |
---|
109 | } |
---|
110 | |
---|
111 | // ------------------------------------------------------------------------------ |
---|
112 | // static void AWT_start_config_manager(AW_window *aww, AW_CL cl_config) |
---|
113 | // ------------------------------------------------------------------------------ |
---|
114 | static void AWT_start_config_manager(AW_window *aww, AW_CL cl_config) |
---|
115 | { |
---|
116 | AWT_configuration *config = (AWT_configuration*)cl_config; |
---|
117 | string existing_configs = config->get_awar_value("existing"); |
---|
118 | config->get_awar_value("current"); // create! |
---|
119 | bool reopen = false; |
---|
120 | char *title = GBS_global_string_copy("Configurations for '%s'", aww->window_name); |
---|
121 | |
---|
122 | const char *buttons = "RESTORE,STORE,DELETE,CLOSE,HELP"; |
---|
123 | char *result = aw_string_selection2awar(title, "Enter a new or select an existing config", |
---|
124 | config->get_awar_name("current").c_str(), existing_configs.c_str(), |
---|
125 | buttons, correct_key_name); |
---|
126 | int button = aw_string_selection_button(); |
---|
127 | |
---|
128 | if (button >= 0 && button <= 2) { // RESTORE, STORE and DELETE |
---|
129 | if (!result || !result[0]) { // did user specify a config-name ? |
---|
130 | aw_message("Please enter or select a config"); |
---|
131 | } |
---|
132 | else { |
---|
133 | string awar_name = string("cfg_")+result; |
---|
134 | |
---|
135 | switch (button) { |
---|
136 | case 0: { // RESTORE |
---|
137 | config->Restore(config->get_awar_value(awar_name)); |
---|
138 | config->set_awar_value("current", result); |
---|
139 | break; |
---|
140 | } |
---|
141 | case 1: { // STORE |
---|
142 | remove_from_configs(result, existing_configs); // remove existing config |
---|
143 | |
---|
144 | if (existing_configs.length()) existing_configs = string(result)+';'+existing_configs; |
---|
145 | else existing_configs = result; |
---|
146 | |
---|
147 | char *config_string = config->Store(); |
---|
148 | config->set_awar_value(awar_name, config_string); |
---|
149 | free(config_string); |
---|
150 | config->set_awar_value("current", result); |
---|
151 | config->set_awar_value("existing", existing_configs); |
---|
152 | reopen = true; |
---|
153 | break; |
---|
154 | } |
---|
155 | case 2: { // DELETE |
---|
156 | remove_from_configs(result, existing_configs); // remove existing config |
---|
157 | config->set_awar_value("current", ""); |
---|
158 | config->set_awar_value("existing", existing_configs); |
---|
159 | |
---|
160 | // config is not really deleted from properties |
---|
161 | reopen = true; |
---|
162 | break; |
---|
163 | } |
---|
164 | } |
---|
165 | } |
---|
166 | } |
---|
167 | else { |
---|
168 | if (button == 4) { // HELP |
---|
169 | AW_POPUP_HELP(aww, (AW_CL)"configurations.hlp"); |
---|
170 | } |
---|
171 | } |
---|
172 | |
---|
173 | free(title); |
---|
174 | free(result); |
---|
175 | |
---|
176 | // if (reopen) AWT_start_config_manager(aww, cl_config); // crashes! |
---|
177 | } |
---|
178 | |
---|
179 | void AWT_insert_config_manager(AW_window *aww, AW_default default_file_, const char *id, AWT_store_config_to_string store_cb, |
---|
180 | AWT_load_config_from_string load_cb, AW_CL cl1, AW_CL cl2, const char *macro_id) |
---|
181 | { |
---|
182 | AWT_configuration *config = new AWT_configuration(aww, default_file_, id, store_cb, load_cb, cl1, cl2); |
---|
183 | // config will not be freed!!! |
---|
184 | |
---|
185 | aww->button_length(0); // -> autodetect size by size of graphic |
---|
186 | aww->callback(AWT_start_config_manager, (AW_CL)config); |
---|
187 | aww->create_button(macro_id ? macro_id : "SAVELOAD_CONFIG", "#conf_save.xpm"); |
---|
188 | } |
---|
189 | |
---|
190 | static GB_ERROR decode_escapes(string& s) { |
---|
191 | string::iterator f = s.begin(); |
---|
192 | string::iterator t = s.begin(); |
---|
193 | |
---|
194 | for (; f != s.end(); ++f, ++t) { |
---|
195 | if (*f == '\\') { |
---|
196 | ++f; |
---|
197 | if (f == s.end()) return GBS_global_string("Trailing \\ in '%s'", s.c_str()); |
---|
198 | switch (*f) { |
---|
199 | case 'n': |
---|
200 | *t = '\n'; |
---|
201 | break; |
---|
202 | case 'r': |
---|
203 | *t = '\r'; |
---|
204 | break; |
---|
205 | case 't': |
---|
206 | *t = '\t'; |
---|
207 | break; |
---|
208 | default: |
---|
209 | *t = *f; |
---|
210 | break; |
---|
211 | } |
---|
212 | } |
---|
213 | else { |
---|
214 | *t = *f; |
---|
215 | } |
---|
216 | } |
---|
217 | |
---|
218 | s.erase(t, f); |
---|
219 | |
---|
220 | return 0; |
---|
221 | } |
---|
222 | |
---|
223 | static void encode_escapes(string& s, const char *to_escape) { |
---|
224 | string neu; |
---|
225 | neu.reserve(s.length()*2+1); |
---|
226 | |
---|
227 | for (string::iterator p = s.begin(); p != s.end(); ++p) { |
---|
228 | if (*p == '\\' || strchr(to_escape, *p) != 0) { |
---|
229 | neu = neu+'\\'+*p; |
---|
230 | } |
---|
231 | else if (*p == '\n') { neu = neu+"\\n"; } |
---|
232 | else if (*p == '\r') { neu = neu+"\\r"; } |
---|
233 | else if (*p == '\t') { neu = neu+"\\t"; } |
---|
234 | else { neu = neu+*p; } |
---|
235 | } |
---|
236 | s = neu; |
---|
237 | } |
---|
238 | |
---|
239 | typedef map<string, string> config_map; |
---|
240 | struct AWT_config_mapping { |
---|
241 | config_map cmap; |
---|
242 | |
---|
243 | config_map::iterator entry(const string &e) { return cmap.find(e); } |
---|
244 | |
---|
245 | config_map::iterator begin() { return cmap.begin(); } |
---|
246 | config_map::const_iterator end() const { return cmap.end(); } |
---|
247 | config_map::iterator end() { return cmap.end(); } |
---|
248 | }; |
---|
249 | |
---|
250 | // --------------------------------------- |
---|
251 | // class AWT_config |
---|
252 | // --------------------------------------- |
---|
253 | |
---|
254 | AWT_config::AWT_config(const char *config_char_ptr) |
---|
255 | : mapping(new AWT_config_mapping) |
---|
256 | , parse_error(0) |
---|
257 | { |
---|
258 | // parse string in format "key1='value1';key2='value2'".. |
---|
259 | // and put values into a map. |
---|
260 | // assumes that keys are unique |
---|
261 | |
---|
262 | string configString(config_char_ptr); |
---|
263 | config_map& cmap = mapping->cmap; |
---|
264 | size_t pos = 0; |
---|
265 | |
---|
266 | while (!parse_error) { |
---|
267 | size_t equal = configString.find('=', pos); |
---|
268 | if (equal == string::npos) break; |
---|
269 | |
---|
270 | if (configString[equal+1] != '\'') { |
---|
271 | parse_error = "expected quote \"'\""; |
---|
272 | break; |
---|
273 | } |
---|
274 | size_t start = equal+2; |
---|
275 | size_t end = configString.find('\'', start); |
---|
276 | while (end != string::npos) { |
---|
277 | if (configString[end-1] != '\\') break; |
---|
278 | end = configString.find('\'', end+1); |
---|
279 | } |
---|
280 | if (end == string::npos) { |
---|
281 | parse_error = "could not find matching quote \"'\""; |
---|
282 | break; |
---|
283 | } |
---|
284 | |
---|
285 | string config_name = configString.substr(pos, equal-pos); |
---|
286 | string value = configString.substr(start, end-start); |
---|
287 | |
---|
288 | parse_error = decode_escapes(value); |
---|
289 | if (!parse_error) { |
---|
290 | cmap[config_name] = value; |
---|
291 | } |
---|
292 | |
---|
293 | pos = end+2; // skip ';' |
---|
294 | } |
---|
295 | } |
---|
296 | AWT_config::AWT_config(const AWT_config_mapping *cfgname_2_awar, AW_root *root) |
---|
297 | : mapping(new AWT_config_mapping) |
---|
298 | , parse_error(0) |
---|
299 | { |
---|
300 | const config_map& awarmap = cfgname_2_awar->cmap; |
---|
301 | config_map& valuemap = mapping->cmap; |
---|
302 | |
---|
303 | for (config_map::const_iterator c = awarmap.begin(); c != awarmap.end(); ++c) { |
---|
304 | const string& key(c->first); |
---|
305 | const string& awar_name(c->second); |
---|
306 | |
---|
307 | char *awar_value = root->awar(awar_name.c_str())->read_as_string(); |
---|
308 | valuemap[key] = awar_value; |
---|
309 | free(awar_value); |
---|
310 | } |
---|
311 | |
---|
312 | awt_assert(valuemap.size() == awarmap.size()); |
---|
313 | } |
---|
314 | |
---|
315 | AWT_config::~AWT_config() { |
---|
316 | delete mapping; |
---|
317 | } |
---|
318 | |
---|
319 | bool AWT_config::has_entry(const char *entry) const { |
---|
320 | awt_assert(!parse_error); |
---|
321 | return mapping->entry(entry) != mapping->end(); |
---|
322 | } |
---|
323 | const char *AWT_config::get_entry(const char *entry) const { |
---|
324 | awt_assert(!parse_error); |
---|
325 | config_map::iterator found = mapping->entry(entry); |
---|
326 | return (found == mapping->end()) ? 0 : found->second.c_str(); |
---|
327 | } |
---|
328 | void AWT_config::set_entry(const char *entry, const char *value) { |
---|
329 | awt_assert(!parse_error); |
---|
330 | mapping->cmap[entry] = value; |
---|
331 | } |
---|
332 | void AWT_config::delete_entry(const char *entry) { |
---|
333 | awt_assert(!parse_error); |
---|
334 | mapping->cmap.erase(entry); |
---|
335 | } |
---|
336 | |
---|
337 | char *AWT_config::config_string() const { |
---|
338 | awt_assert(!parse_error); |
---|
339 | string result; |
---|
340 | for (config_map::iterator e = mapping->begin(); e != mapping->end(); ++e) { |
---|
341 | const string& config_name(e->first); |
---|
342 | string value(e->second); |
---|
343 | |
---|
344 | encode_escapes(value, "\'"); |
---|
345 | string entry = config_name+"='"+value+'\''; |
---|
346 | if (result.empty()) { |
---|
347 | result = entry; |
---|
348 | } |
---|
349 | else { |
---|
350 | result = result+';'+entry; |
---|
351 | } |
---|
352 | } |
---|
353 | return strdup(result.c_str()); |
---|
354 | } |
---|
355 | GB_ERROR AWT_config::write_to_awars(const AWT_config_mapping *cfgname_2_awar, AW_root *root) const { |
---|
356 | GB_ERROR error = 0; |
---|
357 | GB_transaction *ta = 0; |
---|
358 | awt_assert(!parse_error); |
---|
359 | for (config_map::iterator e = mapping->begin(); !error && e != mapping->end(); ++e) { |
---|
360 | const string& config_name(e->first); |
---|
361 | const string& value(e->second); |
---|
362 | |
---|
363 | config_map::const_iterator found = cfgname_2_awar->cmap.find(config_name); |
---|
364 | if (found == cfgname_2_awar->end()) { |
---|
365 | error = GBS_global_string("config contains unmapped entry '%s'", config_name.c_str()); |
---|
366 | } |
---|
367 | else { |
---|
368 | const string& awar_name(found->second); |
---|
369 | AW_awar *awar = root->awar(awar_name.c_str()); |
---|
370 | if (!ta) { |
---|
371 | ta = new GB_transaction((GBDATA*)awar->gb_var); // do all awar changes in 1 transaction |
---|
372 | } |
---|
373 | awar->write_as_string(value.c_str()); |
---|
374 | } |
---|
375 | } |
---|
376 | if (ta) delete ta; // close transaction |
---|
377 | return error; |
---|
378 | } |
---|
379 | |
---|
380 | // ------------------------------------ |
---|
381 | // class AWT_config_definition |
---|
382 | // ------------------------------------ |
---|
383 | |
---|
384 | AWT_config_definition::AWT_config_definition(AW_root *aw_root) |
---|
385 | : root(aw_root) , config_mapping(new AWT_config_mapping) {} |
---|
386 | |
---|
387 | AWT_config_definition::AWT_config_definition(AW_root *aw_root, AWT_config_mapping_def *mdef) |
---|
388 | : root(aw_root) , config_mapping(new AWT_config_mapping) |
---|
389 | { |
---|
390 | add(mdef); |
---|
391 | } |
---|
392 | |
---|
393 | AWT_config_definition::~AWT_config_definition() { |
---|
394 | delete config_mapping; |
---|
395 | } |
---|
396 | |
---|
397 | void AWT_config_definition::add(const char *awar_name, const char *config_name) { |
---|
398 | config_mapping->cmap[config_name] = awar_name; |
---|
399 | } |
---|
400 | void AWT_config_definition::add(const char *awar_name, const char *config_name, int counter) { |
---|
401 | add(awar_name, GBS_global_string("%s%i", config_name, counter)); |
---|
402 | } |
---|
403 | void AWT_config_definition::add(AWT_config_mapping_def *mdef) { |
---|
404 | while (mdef->awar_name && mdef->config_name) { |
---|
405 | add(mdef->awar_name, mdef->config_name); |
---|
406 | mdef++; |
---|
407 | } |
---|
408 | } |
---|
409 | |
---|
410 | char *AWT_config_definition::read() const { |
---|
411 | // creates a string from awar values |
---|
412 | |
---|
413 | AWT_config current_state(config_mapping, root); |
---|
414 | return current_state.config_string(); |
---|
415 | } |
---|
416 | void AWT_config_definition::write(const char *config_char_ptr) const { |
---|
417 | // write values from string to awars |
---|
418 | // if the string contains unknown settings, they are silently ignored |
---|
419 | |
---|
420 | AWT_config wanted_state(config_char_ptr); |
---|
421 | GB_ERROR error = wanted_state.parseError(); |
---|
422 | if (!error) error = wanted_state.write_to_awars(config_mapping, root); |
---|
423 | if (error) aw_message(GBS_global_string("Error restoring configuration (%s)", error)); |
---|
424 | } |
---|
425 | |
---|