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shell.h 7.7 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. typedef struct clish_shell_s clish_shell_t;
  27. /* This is used to hold context during callbacks */
  28. struct clish_context_s {
  29. clish_shell_t *shell;
  30. const clish_command_t *cmd;
  31. clish_pargv_t *pargv;
  32. const clish_action_t *action;
  33. };
  34. typedef struct clish_context_s clish_context_t;
  35. typedef enum {
  36. SHELL_STATE_OK = 0,
  37. SHELL_STATE_UNKNOWN = 1,
  38. SHELL_STATE_IO_ERROR = 2,
  39. SHELL_STATE_SCRIPT_ERROR = 3,/* Script execution error */
  40. SHELL_STATE_SYNTAX_ERROR = 4, /* Illegal line entered */
  41. SHELL_STATE_SYSTEM_ERROR = 5, /* Some internal system error */
  42. SHELL_STATE_INITIALISING = 6,
  43. SHELL_STATE_HELPING = 7,
  44. SHELL_STATE_EOF = 8, /* EOF of input stream */
  45. SHELL_STATE_CLOSING = 9
  46. } clish_shell_state_t;
  47. typedef enum {
  48. SHELL_VAR_NONE, /* Nothing to escape */
  49. SHELL_VAR_ACTION, /* Variable expanding for ACTION script */
  50. SHELL_VAR_REGEX /* Variable expanding for regex usage */
  51. } clish_shell_var_t;
  52. _BEGIN_C_DECL
  53. /*-----------------
  54. * meta functions
  55. *----------------- */
  56. clish_shell_t *clish_shell_new(
  57. void *cookie,
  58. FILE * istream,
  59. FILE * ostream,
  60. bool_t stop_on_error);
  61. /*-----------------
  62. * methods
  63. *----------------- */
  64. /*
  65. * Called to invoke the startup command for this shell
  66. */
  67. int clish_shell_startup(clish_shell_t * instance);
  68. void clish_shell_delete(clish_shell_t * instance);
  69. clish_view_t *clish_shell_find_create_view(clish_shell_t * instance,
  70. const char *name,
  71. const char *prompt);
  72. clish_ptype_t *clish_shell_find_create_ptype(clish_shell_t * instance,
  73. const char *name,
  74. const char *text,
  75. const char *pattern,
  76. clish_ptype_method_e method,
  77. clish_ptype_preprocess_e preprocess);
  78. clish_ptype_t *clish_shell_find_ptype(clish_shell_t *instance,
  79. const char *name);
  80. int clish_shell_xml_read(clish_shell_t * instance, const char *filename);
  81. void clish_shell_help(clish_shell_t * instance, const char *line);
  82. int clish_shell_exec_action(clish_context_t *context, char **out);
  83. int clish_shell_execute(clish_context_t *context, char **out);
  84. int clish_shell_forceline(clish_shell_t *instance, const char *line, char ** out);
  85. int clish_shell_readline(clish_shell_t *instance, char ** out);
  86. void clish_shell_dump(clish_shell_t * instance);
  87. void clish_shell_close(clish_shell_t * instance);
  88. /**
  89. * Push the specified file handle on to the stack of file handles
  90. * for this shell. The specified file will become the source of
  91. * commands, until it is exhausted.
  92. *
  93. * \return
  94. * BOOL_TRUE - the file was successfully associated with the shell.
  95. * BOOL_FALSE - there was insufficient resource to associate this file.
  96. */
  97. int clish_shell_push_file(clish_shell_t * instance, const char * fname,
  98. bool_t stop_on_error);
  99. int clish_shell_push_fd(clish_shell_t * instance, FILE * file,
  100. bool_t stop_on_error);
  101. void clish_shell_insert_var(clish_shell_t *instance, clish_var_t *var);
  102. clish_var_t *clish_shell_find_var(clish_shell_t *instance, const char *name);
  103. char *clish_shell_expand_var(const char *name, clish_context_t *context);
  104. char *clish_shell_expand(const char *str, clish_shell_var_t vtype, clish_context_t *context);
  105. /*-----------------
  106. * attributes
  107. *----------------- */
  108. clish_view_t *clish_shell__get_view(const clish_shell_t * instance);
  109. unsigned clish_shell__get_depth(const clish_shell_t * instance);
  110. const char *clish_shell__get_viewid(const clish_shell_t * instance);
  111. const char *clish_shell__get_overview(const clish_shell_t * instance);
  112. tinyrl_t *clish_shell__get_tinyrl(const clish_shell_t * instance);
  113. void *clish_shell__get_client_cookie(const clish_shell_t * instance);
  114. void
  115. clish_shell__set_pwd(clish_shell_t *instance, const char * line,
  116. clish_view_t * view, char * viewid, clish_context_t *context);
  117. char *clish_shell__get_pwd_line(const clish_shell_t * instance,
  118. unsigned int index);
  119. char *clish_shell__get_pwd_full(const clish_shell_t * instance, unsigned depth);
  120. clish_view_t *clish_shell__get_pwd_view(const clish_shell_t * instance,
  121. unsigned int index);
  122. konf_client_t *clish_shell__get_client(const clish_shell_t * instance);
  123. FILE *clish_shell__get_istream(const clish_shell_t * instance);
  124. FILE *clish_shell__get_ostream(const clish_shell_t * instance);
  125. void clish_shell__set_lockfile(clish_shell_t * instance, const char * path);
  126. char * clish_shell__get_lockfile(clish_shell_t * instance);
  127. int clish_shell__set_socket(clish_shell_t * instance, const char * path);
  128. int clish_shell_load_scheme(clish_shell_t * instance, const char * xml_path);
  129. int clish_shell_loop(clish_shell_t * instance);
  130. clish_shell_state_t clish_shell__get_state(const clish_shell_t * instance);
  131. void clish_shell__set_state(clish_shell_t * instance,
  132. clish_shell_state_t state);
  133. void clish_shell__set_startup_view(clish_shell_t * instance, const char * viewname);
  134. void clish_shell__set_startup_viewid(clish_shell_t * instance, const char * viewid);
  135. void clish_shell__set_default_shebang(clish_shell_t * instance, const char * shebang);
  136. const char * clish_shell__get_default_shebang(const clish_shell_t * instance);
  137. const char * clish_shell__get_fifo(clish_shell_t * instance);
  138. void clish_shell__set_interactive(clish_shell_t * instance, bool_t interactive);
  139. bool_t clish_shell__get_interactive(const clish_shell_t * instance);
  140. bool_t clish_shell__get_utf8(const clish_shell_t * instance);
  141. void clish_shell__set_utf8(clish_shell_t * instance, bool_t utf8);
  142. void clish_shell__set_timeout(clish_shell_t *instance, int timeout);
  143. char *clish_shell__get_line(clish_context_t *context);
  144. char *clish_shell__get_full_line(clish_context_t *context);
  145. char *clish_shell__get_params(clish_context_t *context);
  146. void clish_shell__set_log(clish_shell_t *instance, bool_t log);
  147. bool_t clish_shell__get_log(const clish_shell_t *instance);
  148. int clish_shell_wdog(clish_shell_t *instance);
  149. void clish_shell__set_wdog_timeout(clish_shell_t *instance,
  150. unsigned int timeout);
  151. unsigned int clish_shell__get_wdog_timeout(const clish_shell_t *instance);
  152. int clish_shell__save_history(const clish_shell_t *instance, const char *fname);
  153. int clish_shell__restore_history(clish_shell_t *instance, const char *fname);
  154. void clish_shell__stifle_history(clish_shell_t *instance, unsigned int stifle);
  155. struct passwd *clish_shell__get_user(clish_shell_t *instance);
  156. void clish_shell__set_dryrun(clish_shell_t *instance, bool_t dryrun);
  157. bool_t clish_shell__get_dryrun(const clish_shell_t *instance);
  158. /* Plugin functions */
  159. int clish_shell_load_plugins(clish_shell_t *instance);
  160. int clish_shell_link_plugins(clish_shell_t *instance);
  161. /* Unresolved symbols functions */
  162. clish_sym_t *clish_shell_find_sym(clish_shell_t *instance,
  163. const char *name, int type);
  164. clish_sym_t *clish_shell_add_sym(clish_shell_t *instance,
  165. void *func, const char *name, int type);
  166. clish_sym_t *clish_shell_add_unresolved_sym(clish_shell_t *instance,
  167. const char *name, int type);
  168. clish_sym_t *clish_shell_get_hook(const clish_shell_t *instance, int type);
  169. /* Hook wrappers */
  170. void *clish_shell_check_hook(const clish_context_t *clish_context, int type);
  171. CLISH_HOOK_ACCESS(clish_shell_exec_access);
  172. CLISH_HOOK_CONFIG(clish_shell_exec_config);
  173. CLISH_HOOK_LOG(clish_shell_exec_log);
  174. /* User data functions */
  175. void *clish_shell__get_udata(const clish_shell_t *instance, const char *name);
  176. void *clish_shell__del_udata(clish_shell_t *instance, const char *name);
  177. int clish_shell__set_udata(clish_shell_t *instance,
  178. const char *name, void *data);
  179. _END_C_DECL
  180. #endif /* _clish_shell_h */
  181. /** @} clish_shell */