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shell.h 9.7 KB

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  1. /*
  2. * shell.h
  3. */
  4. /**
  5. \ingroup clish
  6. \defgroup clish_shell shell
  7. @{
  8. \brief This class represents the top level container for a CLI session.
  9. */
  10. #ifndef _clish_shell_h
  11. #define _clish_shell_h
  12. #include <stdio.h>
  13. #include <sys/types.h>
  14. #include <pwd.h>
  15. #include "lub/c_decl.h"
  16. #include "lub/types.h"
  17. #include "lub/argv.h"
  18. #include "tinyrl/tinyrl.h"
  19. #include "clish/view.h"
  20. #include "clish/ptype.h"
  21. #include "clish/var.h"
  22. #include "clish/plugin.h"
  23. #include "konf/net.h"
  24. #define CLISH_LOCK_PATH "/tmp/clish.lock"
  25. #define CLISH_LOCK_WAIT 20
  26. #define CLISH_STDOUT_CHUNK 1024
  27. #define CLISH_STDOUT_MAXBUF (CLISH_STDOUT_CHUNK * 1024)
  28. #define CLISH_XML_ERROR_STR "Error parsing XML: "
  29. #define CLISH_XML_ERROR_ATTR(attr) CLISH_XML_ERROR_STR"The \""attr"\" attribute is required.\n"
  30. typedef struct clish_shell_s clish_shell_t;
  31. typedef struct clish_context_s clish_context_t;
  32. /* Context functions */
  33. _BEGIN_C_DECL
  34. clish_context_t *clish_context_new(clish_shell_t *shell);
  35. int clish_context_init(clish_context_t *instance, clish_shell_t *shell);
  36. void clish_context_free(clish_context_t *instance);
  37. int clish_context_dup(clish_context_t *dst, const clish_context_t *src);
  38. clish_shell_t *clish_context__get_shell(const void *instance);
  39. void clish_context__set_cmd(void *instance, const clish_command_t *cmd);
  40. const clish_command_t *clish_context__get_cmd(const void *instance);
  41. void clish_context__set_pargv(void *instance, clish_pargv_t *pargv);
  42. clish_pargv_t *clish_context__get_pargv(const void *instance);
  43. void clish_context__set_action(void *instance, const clish_action_t *action);
  44. const clish_action_t *clish_context__get_action(const void *instance);
  45. _END_C_DECL
  46. /* Shell */
  47. typedef enum {
  48. SHELL_STATE_OK = 0,
  49. SHELL_STATE_UNKNOWN = 1,
  50. SHELL_STATE_IO_ERROR = 2,
  51. SHELL_STATE_SCRIPT_ERROR = 3,/* Script execution error */
  52. SHELL_STATE_SYNTAX_ERROR = 4, /* Illegal line entered */
  53. SHELL_STATE_SYSTEM_ERROR = 5, /* Some internal system error */
  54. SHELL_STATE_INITIALISING = 6,
  55. SHELL_STATE_HELPING = 7,
  56. SHELL_STATE_EOF = 8, /* EOF of input stream */
  57. SHELL_STATE_CLOSING = 9
  58. } clish_shell_state_e;
  59. typedef enum {
  60. SHELL_VAR_NONE, /* Nothing to escape */
  61. SHELL_VAR_ACTION, /* Variable expanding for ACTION script */
  62. SHELL_VAR_REGEX /* Variable expanding for regex usage */
  63. } clish_shell_var_e;
  64. typedef enum {
  65. SHELL_EXPAND_PARAM = 1,
  66. SHELL_EXPAND_VIEW = 2,
  67. SHELL_EXPAND_CONTEXT = 4,
  68. SHELL_EXPAND_VAR = 8,
  69. SHELL_EXPAND_ENV = 16,
  70. SHELL_EXPAND_ALL = 255
  71. } clish_shell_expand_e;
  72. _BEGIN_C_DECL
  73. /*-----------------
  74. * meta functions
  75. *----------------- */
  76. clish_shell_t *clish_shell_new(FILE * istream, FILE * ostream,
  77. bool_t stop_on_error);
  78. /*-----------------
  79. * methods
  80. *----------------- */
  81. /*
  82. * Called to invoke the startup command for this shell
  83. */
  84. int clish_shell_startup(clish_shell_t * instance);
  85. void clish_shell_delete(clish_shell_t * instance);
  86. clish_view_t *clish_shell_find_create_view(clish_shell_t * instance,
  87. const char *name,
  88. const char *prompt);
  89. clish_ptype_t *clish_shell_find_create_ptype(clish_shell_t * instance,
  90. const char *name,
  91. const char *text,
  92. const char *pattern,
  93. clish_ptype_method_e method,
  94. clish_ptype_preprocess_e preprocess);
  95. clish_ptype_t *clish_shell_find_ptype(clish_shell_t *instance,
  96. const char *name);
  97. void clish_shell_help(clish_shell_t * instance, const char *line);
  98. int clish_shell_exec_action(clish_context_t *context, char **out, bool_t intr);
  99. int clish_shell_execute(clish_context_t *context, char **out);
  100. int clish_shell_forceline(clish_shell_t *instance, const char *line, char ** out);
  101. int clish_shell_readline(clish_shell_t *instance, char ** out);
  102. void clish_shell_dump(clish_shell_t * instance);
  103. /**
  104. * Push the specified file handle on to the stack of file handles
  105. * for this shell. The specified file will become the source of
  106. * commands, until it is exhausted.
  107. *
  108. * \return
  109. * BOOL_TRUE - the file was successfully associated with the shell.
  110. * BOOL_FALSE - there was insufficient resource to associate this file.
  111. */
  112. int clish_shell_push_file(clish_shell_t * instance, const char * fname,
  113. bool_t stop_on_error);
  114. int clish_shell_push_fd(clish_shell_t * instance, FILE * file,
  115. bool_t stop_on_error);
  116. void clish_shell_insert_var(clish_shell_t *instance, clish_var_t *var);
  117. clish_var_t *clish_shell_find_var(clish_shell_t *instance, const char *name);
  118. char *clish_shell_expand_var(const char *name, clish_context_t *context);
  119. char *clish_shell_expand_var_ex(const char *name, clish_context_t *context, clish_shell_expand_e flags);
  120. char *clish_shell_expand(const char *str, clish_shell_var_e vtype, clish_context_t *context);
  121. char * clish_shell_mkfifo(clish_shell_t * instance, char *name, size_t n);
  122. int clish_shell_rmfifo(clish_shell_t * instance, const char *name);
  123. /*-----------------
  124. * attributes
  125. *----------------- */
  126. clish_view_t *clish_shell__get_view(const clish_shell_t * instance);
  127. unsigned int clish_shell__get_depth(const clish_shell_t * instance);
  128. clish_view_t *clish_shell__set_depth(clish_shell_t *instance, unsigned int depth);
  129. const char *clish_shell__get_viewid(const clish_shell_t * instance);
  130. const char *clish_shell__get_overview(const clish_shell_t * instance);
  131. tinyrl_t *clish_shell__get_tinyrl(const clish_shell_t * instance);
  132. void clish_shell__set_pwd(clish_shell_t *instance, const char * line,
  133. clish_view_t * view, const char * viewid, clish_context_t *context);
  134. char *clish_shell__get_pwd_line(const clish_shell_t * instance,
  135. unsigned int index);
  136. clish_pargv_t *clish_shell__get_pwd_pargv(const clish_shell_t *instance,
  137. unsigned int index);
  138. char *clish_shell__get_pwd_cmd(const clish_shell_t *instance,
  139. unsigned int index);
  140. char *clish_shell__get_pwd_prefix(const clish_shell_t *instance,
  141. unsigned int index);
  142. char *clish_shell__get_pwd_full(const clish_shell_t * instance,
  143. unsigned int depth);
  144. clish_view_t *clish_shell__get_pwd_view(const clish_shell_t * instance,
  145. unsigned int index);
  146. konf_client_t *clish_shell__get_client(const clish_shell_t * instance);
  147. FILE *clish_shell__get_istream(const clish_shell_t * instance);
  148. FILE *clish_shell__get_ostream(const clish_shell_t * instance);
  149. void clish_shell__set_lockfile(clish_shell_t * instance, const char * path);
  150. char * clish_shell__get_lockfile(clish_shell_t * instance);
  151. int clish_shell__set_socket(clish_shell_t * instance, const char * path);
  152. int clish_shell_load_scheme(clish_shell_t * instance, const char * xml_path, const char *xslt_path);
  153. int clish_shell_loop(clish_shell_t * instance);
  154. clish_shell_state_e clish_shell__get_state(const clish_shell_t * instance);
  155. void clish_shell__set_state(clish_shell_t * instance,
  156. clish_shell_state_e state);
  157. void clish_shell__set_startup_view(clish_shell_t * instance, const char * viewname);
  158. void clish_shell__set_startup_viewid(clish_shell_t * instance, const char * viewid);
  159. void clish_shell__set_default_shebang(clish_shell_t * instance, const char * shebang);
  160. const char * clish_shell__get_default_shebang(const clish_shell_t * instance);
  161. void clish_shell__set_interactive(clish_shell_t * instance, bool_t interactive);
  162. bool_t clish_shell__get_interactive(const clish_shell_t * instance);
  163. bool_t clish_shell__get_utf8(const clish_shell_t * instance);
  164. void clish_shell__set_utf8(clish_shell_t * instance, bool_t utf8);
  165. void clish_shell__set_timeout(clish_shell_t *instance, unsigned int timeout);
  166. char *clish_shell__get_line(clish_context_t *context);
  167. char *clish_shell__get_full_line(clish_context_t *context);
  168. char *clish_shell__get_params(clish_context_t *context);
  169. /* Log functions */
  170. void clish_shell__set_log(clish_shell_t *instance, bool_t log);
  171. bool_t clish_shell__get_log(const clish_shell_t *instance);
  172. void clish_shell__set_facility(clish_shell_t *instance, int facility);
  173. int clish_shell__get_facility(clish_shell_t *instance);
  174. int clish_shell_wdog(clish_shell_t *instance);
  175. void clish_shell__set_wdog_timeout(clish_shell_t *instance,
  176. unsigned int timeout);
  177. unsigned int clish_shell__get_wdog_timeout(const clish_shell_t *instance);
  178. int clish_shell__save_history(const clish_shell_t *instance, const char *fname);
  179. int clish_shell__restore_history(clish_shell_t *instance, const char *fname);
  180. void clish_shell__stifle_history(clish_shell_t *instance, unsigned int stifle);
  181. struct passwd *clish_shell__get_user(clish_shell_t *instance);
  182. void clish_shell__set_dryrun(clish_shell_t *instance, bool_t dryrun);
  183. bool_t clish_shell__get_dryrun(const clish_shell_t *instance);
  184. void clish_shell__set_canon_out(clish_shell_t *instance, bool_t canon_out);
  185. bool_t clish_shell__get_canon_out(const clish_shell_t *instance);
  186. /* Plugin functions */
  187. clish_plugin_t * clish_shell_find_plugin(clish_shell_t *instance,
  188. const char *name);
  189. clish_plugin_t * clish_shell_find_create_plugin(clish_shell_t *instance,
  190. const char *name);
  191. int clish_shell_load_plugins(clish_shell_t *instance);
  192. int clish_shell_link_plugins(clish_shell_t *instance);
  193. /* Unresolved symbols functions */
  194. clish_sym_t *clish_shell_find_sym(clish_shell_t *instance,
  195. const char *name, int type);
  196. clish_sym_t *clish_shell_add_sym(clish_shell_t *instance,
  197. void *func, const char *name, int type);
  198. clish_sym_t *clish_shell_add_unresolved_sym(clish_shell_t *instance,
  199. const char *name, int type);
  200. clish_sym_t *clish_shell_get_hook(const clish_shell_t *instance, int type);
  201. /* Hook wrappers */
  202. const void *clish_shell_check_hook(const clish_context_t *clish_context, int type);
  203. CLISH_HOOK_CONFIG(clish_shell_exec_config);
  204. CLISH_HOOK_LOG(clish_shell_exec_log);
  205. /* User data functions */
  206. void *clish_shell__get_udata(const clish_shell_t *instance, const char *name);
  207. void *clish_shell__del_udata(clish_shell_t *instance, const char *name);
  208. int clish_shell__set_udata(clish_shell_t *instance,
  209. const char *name, void *data);
  210. /* Access functions */
  211. int clish_shell_prepare(clish_shell_t *instance);
  212. /*
  213. * Non shell specific functions.
  214. * Start and Stop XML parser engine.
  215. */
  216. int clish_xmldoc_start(void);
  217. int clish_xmldoc_stop(void);
  218. _END_C_DECL
  219. #endif /* _clish_shell_h */
  220. /** @} clish_shell */