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shell_xml.c 32 KB

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  1. /*
  2. * ------------------------------------------------------
  3. * shell_xml.c
  4. *
  5. * This file implements the means to read an XML encoded file and populate the
  6. * CLI tree based on the contents.
  7. * ------------------------------------------------------
  8. */
  9. #include "private.h"
  10. #include "xmlapi.h"
  11. #include "lub/string.h"
  12. #include "lub/ctype.h"
  13. #include "lub/system.h"
  14. #include <stdlib.h>
  15. #include <string.h>
  16. #include <assert.h>
  17. #include <errno.h>
  18. #include <sys/types.h>
  19. #include <dirent.h>
  20. typedef int (PROCESS_FN) (clish_shell_t *instance,
  21. clish_xmlnode_t *element, void *parent);
  22. /* Define a control block for handling the decode of an XML file */
  23. typedef struct clish_xml_cb_s clish_xml_cb_t;
  24. struct clish_xml_cb_s {
  25. const char *element;
  26. PROCESS_FN *handler;
  27. };
  28. /* forward declare the handler functions */
  29. static PROCESS_FN
  30. process_clish_module,
  31. process_startup,
  32. process_view,
  33. process_command,
  34. process_param,
  35. process_action,
  36. process_ptype,
  37. process_overview,
  38. process_detail,
  39. process_namespace,
  40. process_config,
  41. process_var,
  42. process_wdog,
  43. process_hotkey,
  44. process_plugin,
  45. process_hook;
  46. static clish_xml_cb_t xml_elements[] = {
  47. {"CLISH_MODULE", process_clish_module},
  48. {"STARTUP", process_startup},
  49. {"VIEW", process_view},
  50. {"COMMAND", process_command},
  51. {"PARAM", process_param},
  52. {"ACTION", process_action},
  53. {"PTYPE", process_ptype},
  54. {"OVERVIEW", process_overview},
  55. {"DETAIL", process_detail},
  56. {"NAMESPACE", process_namespace},
  57. {"CONFIG", process_config},
  58. {"VAR", process_var},
  59. {"WATCHDOG", process_wdog},
  60. {"HOTKEY", process_hotkey},
  61. {"PLUGIN", process_plugin},
  62. {"HOOK", process_hook},
  63. {NULL, NULL}
  64. };
  65. /*
  66. * if CLISH_PATH is unset in the environment then this is the value used.
  67. */
  68. const char *default_path = "/etc/clish;~/.clish";
  69. /*-------------------------------------------------------- */
  70. int clish_shell_load_scheme(clish_shell_t *this, const char *xml_path)
  71. {
  72. const char *path = xml_path;
  73. char *buffer;
  74. char *dirname;
  75. char *saveptr = NULL;
  76. int res = 0;
  77. /* use the default path */
  78. if (!path)
  79. path = default_path;
  80. /* take a copy of the path */
  81. buffer = lub_system_tilde_expand(path);
  82. /* now loop though each directory */
  83. for (dirname = strtok_r(buffer, ";", &saveptr);
  84. dirname; dirname = strtok_r(NULL, ";", &saveptr)) {
  85. DIR *dir;
  86. struct dirent *entry;
  87. /* search this directory for any XML files */
  88. dir = opendir(dirname);
  89. if (NULL == dir) {
  90. #ifdef DEBUG
  91. tinyrl_printf(this->tinyrl,
  92. "*** Failed to open '%s' directory\n",
  93. dirname);
  94. #endif
  95. continue;
  96. }
  97. for (entry = readdir(dir); entry; entry = readdir(dir)) {
  98. const char *extension = strrchr(entry->d_name, '.');
  99. /* check the filename */
  100. if ((NULL != extension) &&
  101. (0 == strcmp(".xml", extension))) {
  102. char *filename = NULL;
  103. /* build the filename */
  104. lub_string_cat(&filename, dirname);
  105. lub_string_cat(&filename, "/");
  106. lub_string_cat(&filename, entry->d_name);
  107. #ifdef DEBUG
  108. fprintf(stderr, "Parse XML-file: %s\n", filename);
  109. #endif
  110. /* load this file */
  111. res = clish_shell_xml_read(this, filename);
  112. /* Error message */
  113. if (res)
  114. fprintf(stderr, CLISH_XML_ERROR_STR"File %s\n",
  115. filename);
  116. /* release the resource */
  117. lub_string_free(filename);
  118. }
  119. if (res)
  120. break;
  121. }
  122. /* all done for this directory */
  123. closedir(dir);
  124. if (res)
  125. break;
  126. }
  127. /* tidy up */
  128. lub_string_free(buffer);
  129. #ifdef DEBUG
  130. clish_shell_dump(this);
  131. #endif
  132. return res;
  133. }
  134. /*
  135. * ------------------------------------------------------
  136. * This function reads an element from the XML stream and processes it.
  137. * ------------------------------------------------------
  138. */
  139. static int process_node(clish_shell_t *shell, clish_xmlnode_t *node,
  140. void *parent)
  141. {
  142. int res = 0;
  143. switch (clish_xmlnode_get_type(node)) {
  144. case CLISH_XMLNODE_ELM: {
  145. clish_xml_cb_t * cb;
  146. char name[128];
  147. unsigned int namelen = sizeof(name);
  148. if (clish_xmlnode_get_name(node, name, &namelen) == 0) {
  149. for (cb = &xml_elements[0]; cb->element; cb++) {
  150. if (0 == strcmp(name, cb->element)) {
  151. #ifdef DEBUG
  152. fprintf(stderr, "NODE:");
  153. clish_xmlnode_print(node, stderr);
  154. fprintf(stderr, "\n");
  155. #endif
  156. /* process the elements at this level */
  157. res = cb->handler(shell, node, parent);
  158. /* Error message */
  159. if (res) {
  160. char *ename = clish_xmlnode_fetch_attr(node, "name");
  161. char *eref = clish_xmlnode_fetch_attr(node, "ref");
  162. char *ekey = clish_xmlnode_fetch_attr(node, "key");
  163. char *efile = clish_xmlnode_fetch_attr(node, "file");
  164. fprintf(stderr, CLISH_XML_ERROR_STR"Node %s", name);
  165. if (ename)
  166. fprintf(stderr, ", name=\"%s\"", ename);
  167. if (eref)
  168. fprintf(stderr, ", ref=\"%s\"", eref);
  169. if (ekey)
  170. fprintf(stderr, ", key=\"%s\"", ekey);
  171. if (efile)
  172. fprintf(stderr, ", file=\"%s\"", efile);
  173. fprintf(stderr, "\n");
  174. clish_xml_release(ename);
  175. clish_xml_release(eref);
  176. clish_xml_release(ekey);
  177. clish_xml_release(efile);
  178. }
  179. break;
  180. }
  181. }
  182. }
  183. break;
  184. }
  185. case CLISH_XMLNODE_DOC:
  186. case CLISH_XMLNODE_TEXT:
  187. case CLISH_XMLNODE_ATTR:
  188. case CLISH_XMLNODE_PI:
  189. case CLISH_XMLNODE_COMMENT:
  190. case CLISH_XMLNODE_DECL:
  191. case CLISH_XMLNODE_UNKNOWN:
  192. default:
  193. break;
  194. }
  195. return res;
  196. }
  197. /* ------------------------------------------------------ */
  198. static int process_children(clish_shell_t *shell,
  199. clish_xmlnode_t *element, void *parent)
  200. {
  201. clish_xmlnode_t *node = NULL;
  202. int res;
  203. while ((node = clish_xmlnode_next_child(element, node)) != NULL) {
  204. /* Now deal with all the contained elements */
  205. res = process_node(shell, node, parent);
  206. if (res)
  207. return res;
  208. }
  209. return 0;
  210. }
  211. /* ------------------------------------------------------ */
  212. int clish_shell_xml_read(clish_shell_t *shell, const char *filename)
  213. {
  214. int ret = -1;
  215. clish_xmldoc_t *doc;
  216. doc = clish_xmldoc_read(filename);
  217. if (clish_xmldoc_is_valid(doc)) {
  218. clish_xmlnode_t *root = clish_xmldoc_get_root(doc);
  219. ret = process_node(shell, root, NULL);
  220. } else {
  221. int errcaps = clish_xmldoc_error_caps(doc);
  222. printf("Unable to open file '%s'", filename);
  223. if ((errcaps & CLISH_XMLERR_LINE) == CLISH_XMLERR_LINE)
  224. printf(", at line %d", clish_xmldoc_get_err_line(doc));
  225. if ((errcaps & CLISH_XMLERR_COL) == CLISH_XMLERR_COL)
  226. printf(", at column %d", clish_xmldoc_get_err_col(doc));
  227. if ((errcaps & CLISH_XMLERR_DESC) == CLISH_XMLERR_DESC)
  228. printf(", message is %s", clish_xmldoc_get_err_msg(doc));
  229. printf("\n");
  230. }
  231. clish_xmldoc_release(doc);
  232. return ret;
  233. }
  234. /* ------------------------------------------------------ */
  235. static int process_clish_module(clish_shell_t *shell, clish_xmlnode_t *element,
  236. void *parent)
  237. {
  238. /* Create the global view */
  239. if (!shell->global)
  240. shell->global = clish_shell_find_create_view(shell,
  241. "__view_global", "");
  242. parent = parent; /* Happy compiler */
  243. return process_children(shell, element, shell->global);
  244. }
  245. /* ------------------------------------------------------ */
  246. static int process_view(clish_shell_t *shell, clish_xmlnode_t *element,
  247. void *parent)
  248. {
  249. clish_view_t *view;
  250. int res = -1;
  251. char *name = clish_xmlnode_fetch_attr(element, "name");
  252. char *prompt = clish_xmlnode_fetch_attr(element, "prompt");
  253. char *depth = clish_xmlnode_fetch_attr(element, "depth");
  254. char *restore = clish_xmlnode_fetch_attr(element, "restore");
  255. char *access = clish_xmlnode_fetch_attr(element, "access");
  256. /* Check syntax */
  257. if (!name) {
  258. fprintf(stderr, CLISH_XML_ERROR_ATTR("name"));
  259. goto error;
  260. }
  261. /* re-use a view if it already exists */
  262. view = clish_shell_find_create_view(shell, name, prompt);
  263. if (depth && (lub_ctype_isdigit(*depth))) {
  264. unsigned res = atoi(depth);
  265. clish_view__set_depth(view, res);
  266. }
  267. if (restore) {
  268. if (!lub_string_nocasecmp(restore, "depth"))
  269. clish_view__set_restore(view, CLISH_RESTORE_DEPTH);
  270. else if (!lub_string_nocasecmp(restore, "view"))
  271. clish_view__set_restore(view, CLISH_RESTORE_VIEW);
  272. else
  273. clish_view__set_restore(view, CLISH_RESTORE_NONE);
  274. }
  275. if (access)
  276. clish_view__set_access(view, access);
  277. //process_view_end:
  278. res = process_children(shell, element, view);
  279. error:
  280. clish_xml_release(name);
  281. clish_xml_release(prompt);
  282. clish_xml_release(depth);
  283. clish_xml_release(restore);
  284. clish_xml_release(access);
  285. parent = parent; /* Happy compiler */
  286. return res;
  287. }
  288. /* ------------------------------------------------------ */
  289. static int process_ptype(clish_shell_t *shell, clish_xmlnode_t *element,
  290. void *parent)
  291. {
  292. clish_ptype_method_e method;
  293. clish_ptype_preprocess_e preprocess;
  294. int res = -1;
  295. char *name = clish_xmlnode_fetch_attr(element, "name");
  296. char *help = clish_xmlnode_fetch_attr(element, "help");
  297. char *pattern = clish_xmlnode_fetch_attr(element, "pattern");
  298. char *method_name = clish_xmlnode_fetch_attr(element, "method");
  299. char *preprocess_name = clish_xmlnode_fetch_attr(element, "preprocess");
  300. /* Check syntax */
  301. if (!name) {
  302. fprintf(stderr, CLISH_XML_ERROR_ATTR("name"));
  303. goto error;
  304. }
  305. if (!pattern) {
  306. fprintf(stderr, CLISH_XML_ERROR_ATTR("pattern"));
  307. goto error;
  308. }
  309. method = clish_ptype_method_resolve(method_name);
  310. preprocess = clish_ptype_preprocess_resolve(preprocess_name);
  311. clish_shell_find_create_ptype(shell,
  312. name, help, pattern, method, preprocess);
  313. res = 0;
  314. error:
  315. clish_xml_release(name);
  316. clish_xml_release(help);
  317. clish_xml_release(pattern);
  318. clish_xml_release(method_name);
  319. clish_xml_release(preprocess_name);
  320. parent = parent; /* Happy compiler */
  321. return res;
  322. }
  323. /* ------------------------------------------------------ */
  324. static int process_overview(clish_shell_t *shell, clish_xmlnode_t *element,
  325. void *parent)
  326. {
  327. char *content = NULL;
  328. unsigned int content_len = 2048;
  329. int result;
  330. /*
  331. * the code below faithfully assume that we'll be able fully store
  332. * the content of the node. If it's really, really big, we may have
  333. * an issue (but then, if it's that big, how the hell does it
  334. * already fits in allocated memory?)
  335. * Ergo, it -should- be safe.
  336. */
  337. do {
  338. char *new = (char*)realloc(content, content_len);
  339. if (!new) {
  340. if (content)
  341. free(content);
  342. return -1;
  343. }
  344. content = new;
  345. result = clish_xmlnode_get_content(element, content,
  346. &content_len);
  347. } while (result == -E2BIG);
  348. if (result == 0 && content) {
  349. /* set the overview text for this view */
  350. assert(NULL == shell->overview);
  351. /* store the overview */
  352. shell->overview = lub_string_dup(content);
  353. }
  354. if (content)
  355. free(content);
  356. parent = parent; /* Happy compiler */
  357. return 0;
  358. }
  359. /* ------------------------------------------------------ */
  360. static int process_command(clish_shell_t *shell, clish_xmlnode_t *element,
  361. void *parent)
  362. {
  363. clish_view_t *v = (clish_view_t *) parent;
  364. clish_command_t *cmd = NULL;
  365. clish_command_t *old;
  366. int res = -1;
  367. char *access = clish_xmlnode_fetch_attr(element, "access");
  368. char *name = clish_xmlnode_fetch_attr(element, "name");
  369. char *help = clish_xmlnode_fetch_attr(element, "help");
  370. char *view = clish_xmlnode_fetch_attr(element, "view");
  371. char *viewid = clish_xmlnode_fetch_attr(element, "viewid");
  372. char *escape_chars = clish_xmlnode_fetch_attr(element, "escape_chars");
  373. char *args_name = clish_xmlnode_fetch_attr(element, "args");
  374. char *args_help = clish_xmlnode_fetch_attr(element, "args_help");
  375. char *lock = clish_xmlnode_fetch_attr(element, "lock");
  376. char *interrupt = clish_xmlnode_fetch_attr(element, "interrupt");
  377. char *ref = clish_xmlnode_fetch_attr(element, "ref");
  378. /* Check syntax */
  379. if (!name) {
  380. fprintf(stderr, CLISH_XML_ERROR_ATTR("name"));
  381. goto error;
  382. }
  383. if (!help) {
  384. fprintf(stderr, CLISH_XML_ERROR_ATTR("help"));
  385. goto error;
  386. }
  387. /* check this command doesn't already exist */
  388. old = clish_view_find_command(v, name, BOOL_FALSE);
  389. if (old) {
  390. fprintf(stderr, CLISH_XML_ERROR_STR"Duplicate COMMAND name=\"%s\".\n", name);
  391. goto error;
  392. }
  393. /* create a command */
  394. cmd = clish_view_new_command(v, name, help);
  395. clish_command__set_pview(cmd, v);
  396. /* Reference 'ref' field */
  397. if (ref) {
  398. char *saveptr = NULL;
  399. const char *delim = "@";
  400. char *view_name = NULL;
  401. char *cmdn = NULL;
  402. char *str = lub_string_dup(ref);
  403. cmdn = strtok_r(str, delim, &saveptr);
  404. if (!cmdn) {
  405. fprintf(stderr, CLISH_XML_ERROR_STR"Invalid \"ref\" attribute value.\n");
  406. lub_string_free(str);
  407. goto error;
  408. }
  409. clish_command__set_alias(cmd, cmdn); /* alias name */
  410. view_name = strtok_r(NULL, delim, &saveptr);
  411. clish_command__set_alias_view(cmd, view_name);
  412. lub_string_free(str);
  413. }
  414. /* define some specialist escape characters */
  415. if (escape_chars)
  416. clish_command__set_escape_chars(cmd, escape_chars);
  417. if (args_name) {
  418. /* define a "rest of line" argument */
  419. clish_param_t *param;
  420. /* Check syntax */
  421. if (!args_help) {
  422. fprintf(stderr, CLISH_XML_ERROR_ATTR("args_help"));
  423. goto error;
  424. }
  425. param = clish_param_new(args_name, args_help, "__ptype_ARGS");
  426. clish_command__set_args(cmd, param);
  427. }
  428. /* define the view which this command changes to */
  429. if (view) {
  430. /* reference the next view */
  431. clish_command__set_viewname(cmd, view);
  432. }
  433. /* define the view id which this command changes to */
  434. if (viewid)
  435. clish_command__set_viewid(cmd, viewid);
  436. /* lock field */
  437. if (lock && lub_string_nocasecmp(lock, "false") == 0)
  438. clish_command__set_lock(cmd, BOOL_FALSE);
  439. else
  440. clish_command__set_lock(cmd, BOOL_TRUE);
  441. /* interrupt field */
  442. if (interrupt && lub_string_nocasecmp(interrupt, "true") == 0)
  443. clish_command__set_interrupt(cmd, BOOL_TRUE);
  444. else
  445. clish_command__set_interrupt(cmd, BOOL_FALSE);
  446. if (access)
  447. clish_command__set_access(cmd, access);
  448. //process_command_end:
  449. res = process_children(shell, element, cmd);
  450. error:
  451. clish_xml_release(access);
  452. clish_xml_release(name);
  453. clish_xml_release(help);
  454. clish_xml_release(view);
  455. clish_xml_release(viewid);
  456. clish_xml_release(escape_chars);
  457. clish_xml_release(args_name);
  458. clish_xml_release(args_help);
  459. clish_xml_release(lock);
  460. clish_xml_release(interrupt);
  461. clish_xml_release(ref);
  462. return res;
  463. }
  464. /* ------------------------------------------------------ */
  465. static int process_startup(clish_shell_t *shell, clish_xmlnode_t *element,
  466. void *parent)
  467. {
  468. clish_view_t *v = (clish_view_t *) parent;
  469. clish_command_t *cmd = NULL;
  470. int res = -1;
  471. char *view = clish_xmlnode_fetch_attr(element, "view");
  472. char *viewid = clish_xmlnode_fetch_attr(element, "viewid");
  473. char *default_shebang =
  474. clish_xmlnode_fetch_attr(element, "default_shebang");
  475. char *timeout = clish_xmlnode_fetch_attr(element, "timeout");
  476. char *lock = clish_xmlnode_fetch_attr(element, "lock");
  477. char *interrupt = clish_xmlnode_fetch_attr(element, "interrupt");
  478. char *default_plugin = clish_xmlnode_fetch_attr(element,
  479. "default_plugin");
  480. /* Check syntax */
  481. if (!view) {
  482. fprintf(stderr, CLISH_XML_ERROR_ATTR("view"));
  483. goto error;
  484. }
  485. if (shell->startup) {
  486. fprintf(stderr, CLISH_XML_ERROR_STR"STARTUP tag duplication.\n");
  487. goto error;
  488. }
  489. /* create a command with NULL help */
  490. cmd = clish_view_new_command(v, "startup", NULL);
  491. clish_command__set_lock(cmd, BOOL_FALSE);
  492. /* reference the next view */
  493. clish_command__set_viewname(cmd, view);
  494. /* define the view id which this command changes to */
  495. if (viewid)
  496. clish_command__set_viewid(cmd, viewid);
  497. if (default_shebang)
  498. clish_shell__set_default_shebang(shell, default_shebang);
  499. if (timeout)
  500. clish_shell__set_timeout(shell, atoi(timeout));
  501. /* lock field */
  502. if (lock && lub_string_nocasecmp(lock, "false") == 0)
  503. clish_command__set_lock(cmd, BOOL_FALSE);
  504. else
  505. clish_command__set_lock(cmd, BOOL_TRUE);
  506. /* interrupt field */
  507. if (interrupt && lub_string_nocasecmp(interrupt, "true") == 0)
  508. clish_command__set_interrupt(cmd, BOOL_TRUE);
  509. else
  510. clish_command__set_interrupt(cmd, BOOL_FALSE);
  511. /* If we need the default plugin */
  512. if (default_plugin && (0 == strcmp(default_plugin, "false")))
  513. shell->default_plugin = BOOL_FALSE;
  514. /* remember this command */
  515. shell->startup = cmd;
  516. res = process_children(shell, element, cmd);
  517. error:
  518. clish_xml_release(view);
  519. clish_xml_release(viewid);
  520. clish_xml_release(default_shebang);
  521. clish_xml_release(timeout);
  522. clish_xml_release(lock);
  523. clish_xml_release(interrupt);
  524. return res;
  525. }
  526. /* ------------------------------------------------------ */
  527. static int process_param(clish_shell_t *shell, clish_xmlnode_t *element,
  528. void *parent)
  529. {
  530. clish_command_t *cmd = NULL;
  531. clish_param_t *p_param = NULL;
  532. clish_xmlnode_t *pelement;
  533. clish_param_t *param;
  534. char *pname;
  535. int res = -1;
  536. char *name = clish_xmlnode_fetch_attr(element, "name");
  537. char *help = clish_xmlnode_fetch_attr(element, "help");
  538. char *ptype = clish_xmlnode_fetch_attr(element, "ptype");
  539. char *prefix = clish_xmlnode_fetch_attr(element, "prefix");
  540. char *defval = clish_xmlnode_fetch_attr(element, "default");
  541. char *mode = clish_xmlnode_fetch_attr(element, "mode");
  542. char *optional = clish_xmlnode_fetch_attr(element, "optional");
  543. char *order = clish_xmlnode_fetch_attr(element, "order");
  544. char *value = clish_xmlnode_fetch_attr(element, "value");
  545. char *hidden = clish_xmlnode_fetch_attr(element, "hidden");
  546. char *test = clish_xmlnode_fetch_attr(element, "test");
  547. char *completion = clish_xmlnode_fetch_attr(element, "completion");
  548. char *access = clish_xmlnode_fetch_attr(element, "access");
  549. /* The PARAM can be child of COMMAND or another PARAM */
  550. pelement = clish_xmlnode_parent(element);
  551. pname = clish_xmlnode_get_all_name(pelement);
  552. if (pname && lub_string_nocasecmp(pname, "PARAM") == 0)
  553. p_param = (clish_param_t *)parent;
  554. else
  555. cmd = (clish_command_t *)parent;
  556. if (pname)
  557. free(pname);
  558. if (!cmd && !p_param)
  559. goto error;
  560. /* Check syntax */
  561. if (cmd && (cmd == shell->startup)) {
  562. fprintf(stderr, CLISH_XML_ERROR_STR"STARTUP can't contain PARAMs.\n");
  563. goto error;
  564. }
  565. if (!name) {
  566. fprintf(stderr, CLISH_XML_ERROR_ATTR("name"));
  567. goto error;
  568. }
  569. if (!help) {
  570. fprintf(stderr, CLISH_XML_ERROR_ATTR("help"));
  571. goto error;
  572. }
  573. if (!ptype) {
  574. fprintf(stderr, CLISH_XML_ERROR_ATTR("ptype"));
  575. goto error;
  576. }
  577. param = clish_param_new(name, help, ptype);
  578. /* If prefix is set clish will emulate old optional
  579. * command syntax over newer optional command mechanism.
  580. * It will create nested PARAM.
  581. */
  582. if (prefix) {
  583. const char *ptype_name = "__ptype_SUBCOMMAND";
  584. clish_param_t *opt_param = NULL;
  585. char *str = NULL;
  586. clish_ptype_t *tmp;
  587. /* Create a ptype for prefix-named subcommand that
  588. * will contain the nested optional parameter. The
  589. * name of ptype is hardcoded. It's not good but
  590. * it's only the service ptype.
  591. */
  592. tmp = (clish_ptype_t *)lub_bintree_find(
  593. &shell->ptype_tree, ptype_name);
  594. if (!tmp)
  595. tmp = clish_shell_find_create_ptype(shell,
  596. ptype_name, "Option", "[^\\\\]+",
  597. CLISH_PTYPE_REGEXP, CLISH_PTYPE_NONE);
  598. assert(tmp);
  599. lub_string_cat(&str, "_prefix_");
  600. lub_string_cat(&str, name);
  601. opt_param = clish_param_new(str, help, ptype_name);
  602. lub_string_free(str);
  603. clish_param__set_mode(opt_param,
  604. CLISH_PARAM_SUBCOMMAND);
  605. clish_param__set_value(opt_param, prefix);
  606. clish_param__set_optional(opt_param, BOOL_TRUE);
  607. if (test)
  608. clish_param__set_test(opt_param, test);
  609. /* Add the parameter to the command */
  610. if (cmd)
  611. clish_command_insert_param(cmd, opt_param);
  612. /* Add the parameter to the param */
  613. if (p_param)
  614. clish_param_insert_param(p_param, opt_param);
  615. /* Unset cmd and set parent param to opt_param */
  616. cmd = NULL;
  617. p_param = opt_param;
  618. }
  619. if (defval)
  620. clish_param__set_default(param, defval);
  621. if (hidden && lub_string_nocasecmp(hidden, "true") == 0)
  622. clish_param__set_hidden(param, BOOL_TRUE);
  623. else
  624. clish_param__set_hidden(param, BOOL_FALSE);
  625. if (mode) {
  626. if (lub_string_nocasecmp(mode, "switch") == 0) {
  627. clish_param__set_mode(param,
  628. CLISH_PARAM_SWITCH);
  629. /* Force hidden attribute */
  630. clish_param__set_hidden(param, BOOL_TRUE);
  631. } else if (lub_string_nocasecmp(mode, "subcommand") == 0)
  632. clish_param__set_mode(param,
  633. CLISH_PARAM_SUBCOMMAND);
  634. else
  635. clish_param__set_mode(param,
  636. CLISH_PARAM_COMMON);
  637. }
  638. if (optional && lub_string_nocasecmp(optional, "true") == 0)
  639. clish_param__set_optional(param, BOOL_TRUE);
  640. else
  641. clish_param__set_optional(param, BOOL_FALSE);
  642. if (order && lub_string_nocasecmp(order, "true") == 0)
  643. clish_param__set_order(param, BOOL_TRUE);
  644. else
  645. clish_param__set_order(param, BOOL_FALSE);
  646. if (value) {
  647. clish_param__set_value(param, value);
  648. /* Force mode to subcommand */
  649. clish_param__set_mode(param,
  650. CLISH_PARAM_SUBCOMMAND);
  651. }
  652. if (test && !prefix)
  653. clish_param__set_test(param, test);
  654. if (completion)
  655. clish_param__set_completion(param, completion);
  656. if (access)
  657. clish_param__set_access(param, access);
  658. /* Add the parameter to the command */
  659. if (cmd)
  660. clish_command_insert_param(cmd, param);
  661. /* Add the parameter to the param */
  662. if (p_param)
  663. clish_param_insert_param(p_param, param);
  664. res = process_children(shell, element, param);
  665. error:
  666. clish_xml_release(name);
  667. clish_xml_release(help);
  668. clish_xml_release(ptype);
  669. clish_xml_release(prefix);
  670. clish_xml_release(defval);
  671. clish_xml_release(mode);
  672. clish_xml_release(optional);
  673. clish_xml_release(order);
  674. clish_xml_release(value);
  675. clish_xml_release(hidden);
  676. clish_xml_release(test);
  677. clish_xml_release(completion);
  678. clish_xml_release(access);
  679. return res;
  680. }
  681. /* ------------------------------------------------------ */
  682. static int process_action(clish_shell_t *shell, clish_xmlnode_t *element,
  683. void *parent)
  684. {
  685. clish_action_t *action = NULL;
  686. char *builtin = clish_xmlnode_fetch_attr(element, "builtin");
  687. char *shebang = clish_xmlnode_fetch_attr(element, "shebang");
  688. clish_xmlnode_t *pelement = clish_xmlnode_parent(element);
  689. char *pname = clish_xmlnode_get_all_name(pelement);
  690. char *text;
  691. clish_sym_t *sym = NULL;
  692. if (pname && lub_string_nocasecmp(pname, "VAR") == 0)
  693. action = clish_var__get_action((clish_var_t *)parent);
  694. else
  695. action = clish_command__get_action((clish_command_t *)parent);
  696. if (pname)
  697. free(pname);
  698. text = clish_xmlnode_get_all_content(element);
  699. if (text && *text) {
  700. /* store the action */
  701. clish_action__set_script(action, text);
  702. }
  703. if (text)
  704. free(text);
  705. if (builtin)
  706. sym = clish_shell_add_unresolved_sym(shell, builtin,
  707. CLISH_SYM_TYPE_ACTION);
  708. else
  709. sym = shell->hooks[CLISH_SYM_TYPE_ACTION];
  710. clish_action__set_builtin(action, sym);
  711. if (shebang)
  712. clish_action__set_shebang(action, shebang);
  713. clish_xml_release(builtin);
  714. clish_xml_release(shebang);
  715. return 0;
  716. }
  717. /* ------------------------------------------------------ */
  718. static int process_detail(clish_shell_t *shell, clish_xmlnode_t *element,
  719. void *parent)
  720. {
  721. clish_command_t *cmd = (clish_command_t *) parent;
  722. /* read the following text element */
  723. char *text = clish_xmlnode_get_all_content(element);
  724. if (text && *text) {
  725. /* store the action */
  726. clish_command__set_detail(cmd, text);
  727. }
  728. if (text)
  729. free(text);
  730. shell = shell; /* Happy compiler */
  731. return 0;
  732. }
  733. /* ------------------------------------------------------ */
  734. static int process_namespace(clish_shell_t *shell, clish_xmlnode_t *element,
  735. void *parent)
  736. {
  737. clish_view_t *v = (clish_view_t *)parent;
  738. clish_nspace_t *nspace = NULL;
  739. int res = -1;
  740. char *view = clish_xmlnode_fetch_attr(element, "ref");
  741. char *prefix = clish_xmlnode_fetch_attr(element, "prefix");
  742. char *prefix_help = clish_xmlnode_fetch_attr(element, "prefix_help");
  743. char *help = clish_xmlnode_fetch_attr(element, "help");
  744. char *completion = clish_xmlnode_fetch_attr(element, "completion");
  745. char *context_help = clish_xmlnode_fetch_attr(element, "context_help");
  746. char *inherit = clish_xmlnode_fetch_attr(element, "inherit");
  747. char *access = clish_xmlnode_fetch_attr(element, "access");
  748. /* Check syntax */
  749. if (!view) {
  750. fprintf(stderr, CLISH_XML_ERROR_ATTR("ref"));
  751. goto error;
  752. }
  753. clish_view_t *ref_view = clish_shell_find_view(shell, view);
  754. /* Don't include itself without prefix */
  755. if ((ref_view == v) && !prefix)
  756. goto process_namespace_end;
  757. nspace = clish_nspace_new(view);
  758. clish_view_insert_nspace(v, nspace);
  759. if (prefix) {
  760. clish_nspace__set_prefix(nspace, prefix);
  761. if (prefix_help)
  762. clish_nspace_create_prefix_cmd(nspace,
  763. "prefix",
  764. prefix_help);
  765. else
  766. clish_nspace_create_prefix_cmd(nspace,
  767. "prefix",
  768. "Prefix for the imported commands.");
  769. }
  770. if (help && lub_string_nocasecmp(help, "true") == 0)
  771. clish_nspace__set_help(nspace, BOOL_TRUE);
  772. else
  773. clish_nspace__set_help(nspace, BOOL_FALSE);
  774. if (completion && lub_string_nocasecmp(completion, "false") == 0)
  775. clish_nspace__set_completion(nspace, BOOL_FALSE);
  776. else
  777. clish_nspace__set_completion(nspace, BOOL_TRUE);
  778. if (context_help && lub_string_nocasecmp(context_help, "true") == 0)
  779. clish_nspace__set_context_help(nspace, BOOL_TRUE);
  780. else
  781. clish_nspace__set_context_help(nspace, BOOL_FALSE);
  782. if (inherit && lub_string_nocasecmp(inherit, "false") == 0)
  783. clish_nspace__set_inherit(nspace, BOOL_FALSE);
  784. else
  785. clish_nspace__set_inherit(nspace, BOOL_TRUE);
  786. if (access)
  787. clish_nspace__set_access(nspace, access);
  788. process_namespace_end:
  789. res = 0;
  790. error:
  791. clish_xml_release(view);
  792. clish_xml_release(prefix);
  793. clish_xml_release(prefix_help);
  794. clish_xml_release(help);
  795. clish_xml_release(completion);
  796. clish_xml_release(context_help);
  797. clish_xml_release(inherit);
  798. clish_xml_release(access);
  799. return res;
  800. }
  801. /* ------------------------------------------------------ */
  802. static int process_config(clish_shell_t *shell, clish_xmlnode_t *element,
  803. void *parent)
  804. {
  805. clish_command_t *cmd = (clish_command_t *)parent;
  806. clish_config_t *config;
  807. if (!cmd)
  808. return 0;
  809. config = clish_command__get_config(cmd);
  810. /* read the following text element */
  811. char *operation = clish_xmlnode_fetch_attr(element, "operation");
  812. char *priority = clish_xmlnode_fetch_attr(element, "priority");
  813. char *pattern = clish_xmlnode_fetch_attr(element, "pattern");
  814. char *file = clish_xmlnode_fetch_attr(element, "file");
  815. char *splitter = clish_xmlnode_fetch_attr(element, "splitter");
  816. char *seq = clish_xmlnode_fetch_attr(element, "sequence");
  817. char *unique = clish_xmlnode_fetch_attr(element, "unique");
  818. char *depth = clish_xmlnode_fetch_attr(element, "depth");
  819. if (operation && !lub_string_nocasecmp(operation, "unset"))
  820. clish_config__set_op(config, CLISH_CONFIG_UNSET);
  821. else if (operation && !lub_string_nocasecmp(operation, "none"))
  822. clish_config__set_op(config, CLISH_CONFIG_NONE);
  823. else if (operation && !lub_string_nocasecmp(operation, "dump"))
  824. clish_config__set_op(config, CLISH_CONFIG_DUMP);
  825. else {
  826. clish_config__set_op(config, CLISH_CONFIG_SET);
  827. /* The priority if no clearly specified */
  828. clish_config__set_priority(config, 0x7f00);
  829. }
  830. if (priority) {
  831. long val = 0;
  832. char *endptr;
  833. unsigned short pri;
  834. val = strtol(priority, &endptr, 0);
  835. if (endptr == priority)
  836. pri = 0;
  837. else if (val > 0xffff)
  838. pri = 0xffff;
  839. else if (val < 0)
  840. pri = 0;
  841. else
  842. pri = (unsigned short)val;
  843. clish_config__set_priority(config, pri);
  844. }
  845. if (pattern)
  846. clish_config__set_pattern(config, pattern);
  847. else
  848. clish_config__set_pattern(config, "^${__cmd}");
  849. if (file)
  850. clish_config__set_file(config, file);
  851. if (splitter && lub_string_nocasecmp(splitter, "false") == 0)
  852. clish_config__set_splitter(config, BOOL_FALSE);
  853. else
  854. clish_config__set_splitter(config, BOOL_TRUE);
  855. if (unique && lub_string_nocasecmp(unique, "false") == 0)
  856. clish_config__set_unique(config, BOOL_FALSE);
  857. else
  858. clish_config__set_unique(config, BOOL_TRUE);
  859. if (seq)
  860. clish_config__set_seq(config, seq);
  861. else
  862. /* The entries without sequence cannot be non-unique */
  863. clish_config__set_unique(config, BOOL_TRUE);
  864. if (depth)
  865. clish_config__set_depth(config, depth);
  866. clish_xml_release(operation);
  867. clish_xml_release(priority);
  868. clish_xml_release(pattern);
  869. clish_xml_release(file);
  870. clish_xml_release(splitter);
  871. clish_xml_release(seq);
  872. clish_xml_release(unique);
  873. clish_xml_release(depth);
  874. shell = shell; /* Happy compiler */
  875. return 0;
  876. }
  877. /* ------------------------------------------------------ */
  878. static int process_var(clish_shell_t *shell, clish_xmlnode_t *element,
  879. void *parent)
  880. {
  881. clish_var_t *var = NULL;
  882. int res = -1;
  883. char *name = clish_xmlnode_fetch_attr(element, "name");
  884. char *dynamic = clish_xmlnode_fetch_attr(element, "dynamic");
  885. char *value = clish_xmlnode_fetch_attr(element, "value");
  886. /* Check syntax */
  887. if (!name) {
  888. fprintf(stderr, CLISH_XML_ERROR_ATTR("name"));
  889. goto error;
  890. }
  891. /* Check if this var doesn't already exist */
  892. var = (clish_var_t *)lub_bintree_find(&shell->var_tree, name);
  893. if (var) {
  894. fprintf(stderr, CLISH_XML_ERROR_STR"Duplicate VAR name=\"%s\".\n", name);
  895. goto error;
  896. }
  897. /* Create var instance */
  898. var = clish_var_new(name);
  899. lub_bintree_insert(&shell->var_tree, var);
  900. if (dynamic && lub_string_nocasecmp(dynamic, "true") == 0)
  901. clish_var__set_dynamic(var, BOOL_TRUE);
  902. if (value)
  903. clish_var__set_value(var, value);
  904. res = process_children(shell, element, var);
  905. error:
  906. clish_xml_release(name);
  907. clish_xml_release(dynamic);
  908. clish_xml_release(value);
  909. parent = parent; /* Happy compiler */
  910. return res;
  911. }
  912. /* ------------------------------------------------------ */
  913. static int process_wdog(clish_shell_t *shell,
  914. clish_xmlnode_t *element, void *parent)
  915. {
  916. clish_view_t *v = (clish_view_t *)parent;
  917. clish_command_t *cmd = NULL;
  918. int res = -1;
  919. /* Check syntax */
  920. if (shell->wdog) {
  921. fprintf(stderr, CLISH_XML_ERROR_STR"WATCHDOG tag duplication.\n");
  922. goto error;
  923. }
  924. /* Create a command with NULL help */
  925. cmd = clish_view_new_command(v, "watchdog", NULL);
  926. clish_command__set_lock(cmd, BOOL_FALSE);
  927. /* Remember this command */
  928. shell->wdog = cmd;
  929. res = process_children(shell, element, cmd);
  930. error:
  931. return res;
  932. }
  933. /* ------------------------------------------------------ */
  934. static int process_hotkey(clish_shell_t *shell, clish_xmlnode_t *element,
  935. void *parent)
  936. {
  937. clish_view_t *v = (clish_view_t *)parent;
  938. int res = -1;
  939. char *key = clish_xmlnode_fetch_attr(element, "key");
  940. char *cmd = clish_xmlnode_fetch_attr(element, "cmd");
  941. /* Check syntax */
  942. if (!key) {
  943. fprintf(stderr, CLISH_XML_ERROR_ATTR("key"));
  944. goto error;
  945. }
  946. if (!cmd) {
  947. fprintf(stderr, CLISH_XML_ERROR_ATTR("cmd"));
  948. goto error;
  949. }
  950. clish_view_insert_hotkey(v, key, cmd);
  951. res = 0;
  952. error:
  953. clish_xml_release(key);
  954. clish_xml_release(cmd);
  955. shell = shell; /* Happy compiler */
  956. return res;
  957. }
  958. /* ------------------------------------------------------ */
  959. static int process_plugin(clish_shell_t *shell, clish_xmlnode_t *element,
  960. void *parent)
  961. {
  962. clish_plugin_t *plugin;
  963. char *file = clish_xmlnode_fetch_attr(element, "file");
  964. char *name = clish_xmlnode_fetch_attr(element, "name");
  965. char *alias = clish_xmlnode_fetch_attr(element, "alias");
  966. int res = -1;
  967. char *text;
  968. /* Check syntax */
  969. if (!name) {
  970. fprintf(stderr, CLISH_XML_ERROR_ATTR("name"));
  971. goto error;
  972. }
  973. plugin = clish_shell_find_plugin(shell, name);
  974. if (plugin) {
  975. fprintf(stderr,
  976. CLISH_XML_ERROR_STR"PLUGIN %s duplication.\n", name);
  977. goto error;
  978. }
  979. plugin = clish_plugin_new(name);
  980. lub_list_add(shell->plugins, plugin);
  981. if (alias && *alias)
  982. clish_plugin__set_alias(plugin, alias);
  983. if (file && *file)
  984. clish_plugin__set_file(plugin, file);
  985. /* Get PLUGIN body content */
  986. text = clish_xmlnode_get_all_content(element);
  987. if (text && *text)
  988. clish_plugin__set_conf(plugin, text);
  989. if (text)
  990. free(text);
  991. res = 0;
  992. error:
  993. clish_xml_release(file);
  994. clish_xml_release(name);
  995. clish_xml_release(alias);
  996. parent = parent; /* Happy compiler */
  997. return res;
  998. }
  999. /* ------------------------------------------------------ */
  1000. static int process_hook(clish_shell_t *shell, clish_xmlnode_t *element,
  1001. void *parent)
  1002. {
  1003. char *name = clish_xmlnode_fetch_attr(element, "name");
  1004. char *builtin = clish_xmlnode_fetch_attr(element, "builtin");
  1005. int res = -1;
  1006. int type = CLISH_SYM_TYPE_NONE;
  1007. /* Check syntax */
  1008. if (!name) {
  1009. fprintf(stderr, CLISH_XML_ERROR_ATTR("name"));
  1010. goto error;
  1011. }
  1012. /* Find out HOOK type */
  1013. if (!strcmp(name, "action"))
  1014. type = CLISH_SYM_TYPE_ACTION;
  1015. else if (!strcmp(name, "access"))
  1016. type = CLISH_SYM_TYPE_ACCESS;
  1017. else if (!strcmp(name, "config"))
  1018. type = CLISH_SYM_TYPE_CONFIG;
  1019. else if (!strcmp(name, "log"))
  1020. type = CLISH_SYM_TYPE_LOG;
  1021. if (CLISH_SYM_TYPE_NONE == type) {
  1022. fprintf(stderr, CLISH_XML_ERROR_STR"Unknown HOOK name %s.\n", name);
  1023. goto error;
  1024. }
  1025. /* Check duplicate HOOK tag */
  1026. if (shell->hooks_use[type]) {
  1027. fprintf(stderr,
  1028. CLISH_XML_ERROR_STR"HOOK %s duplication.\n", name);
  1029. goto error;
  1030. }
  1031. shell->hooks_use[type] = BOOL_TRUE;
  1032. clish_sym__set_name(shell->hooks[type], builtin);
  1033. res = 0;
  1034. error:
  1035. clish_xml_release(name);
  1036. clish_xml_release(builtin);
  1037. parent = parent; /* Happy compiler */
  1038. return res;
  1039. }
  1040. /* ------------------------------------------------------ */