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private.h 5.3 KB

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  1. /*
  2. * shell.h - private interface to the shell class
  3. */
  4. #include "lub/bintree.h"
  5. #include "lub/list.h"
  6. #include "tinyrl/tinyrl.h"
  7. #include "clish/shell.h"
  8. #include "clish/pargv.h"
  9. #include "clish/var.h"
  10. #include "clish/action.h"
  11. #include "clish/plugin.h"
  12. #include "clish/udata.h"
  13. /*-------------------------------------
  14. * PRIVATE TYPES
  15. *------------------------------------- */
  16. /*-------------------------------------------------------- */
  17. /*
  18. * iterate around commands
  19. */
  20. typedef struct {
  21. const char *last_cmd;
  22. clish_nspace_visibility_t field;
  23. } clish_shell_iterator_t;
  24. /* this is used to maintain a stack of file handles */
  25. typedef struct clish_shell_file_s clish_shell_file_t;
  26. struct clish_shell_file_s {
  27. clish_shell_file_t *next;
  28. FILE *file;
  29. char *fname;
  30. unsigned int line;
  31. bool_t stop_on_error; /* stop on error for file input */
  32. };
  33. typedef struct {
  34. char *line;
  35. clish_view_t *view;
  36. lub_bintree_t viewid;
  37. } clish_shell_pwd_t;
  38. struct clish_shell_s {
  39. lub_bintree_t view_tree; /* Tree of views */
  40. lub_bintree_t ptype_tree; /* Tree of ptypes */
  41. lub_bintree_t var_tree; /* Tree of global variables */
  42. /* Hooks */
  43. clish_sym_t *hooks[CLISH_SYM_TYPE_MAX]; /* Callback hooks */
  44. #define hooks_fn hooks[CLISH_SYM_TYPE_ACTION]
  45. #define hooks_init hooks[CLISH_SYM_TYPE_INIT]
  46. #define hooks_fini hooks[CLISH_SYM_TYPE_FINI]
  47. #define hooks_access hooks[CLISH_SYM_TYPE_ACCESS]
  48. #define hooks_config hooks[CLISH_SYM_TYPE_CONFIG]
  49. #define hooks_log hooks[CLISH_SYM_TYPE_LOG]
  50. void *client_cookie; /* Client callback cookie */
  51. clish_view_t *global; /* Reference to the global view. */
  52. clish_command_t *startup; /* This is the startup command */
  53. unsigned int idle_timeout; /* This is the idle timeout */
  54. /* Watchdog */
  55. clish_command_t *wdog; /* Watchdog command */
  56. unsigned int wdog_timeout; /* Watchdog timeout */
  57. bool_t wdog_active; /* If watchdog is active now */
  58. clish_shell_state_t state; /* The current state */
  59. char *overview; /* Overview text for this shell */
  60. tinyrl_t *tinyrl; /* Tiny readline instance */
  61. clish_shell_file_t *current_file; /* file currently in use for input */
  62. clish_shell_pwd_t **pwdv; /* Levels for the config file structure */
  63. unsigned int pwdc;
  64. int depth;
  65. konf_client_t *client;
  66. char *lockfile;
  67. char *default_shebang;
  68. char *fifo_name; /* The name of temporary fifo file. */
  69. struct passwd *user; /* Current user information */
  70. /* Boolean flags */
  71. bool_t interactive; /* Is shell interactive. */
  72. bool_t log; /* If command logging is enabled */
  73. bool_t dryrun; /* Is this a dry-running */
  74. /* Plugins and symbols */
  75. lub_list_t *plugins; /* List of plugins */
  76. lub_list_t *syms; /* List of all used symbols. Must be resolved. */
  77. /* Static params for var expanding. The refactoring is needed. */
  78. clish_param_t *param_depth;
  79. clish_param_t *param_pwd;
  80. /* Userdata list holder */
  81. lub_list_t *udata;
  82. };
  83. /**
  84. * Initialise a command iterator structure
  85. */
  86. void
  87. clish_shell_iterator_init(clish_shell_iterator_t * iter,
  88. clish_nspace_visibility_t field);
  89. /**
  90. * get the next command which is an extension of the specified line
  91. */
  92. const clish_command_t *clish_shell_find_next_completion(const clish_shell_t *
  93. instance, const char *line, clish_shell_iterator_t * iter);
  94. /**
  95. * Pop the current file handle from the stack of file handles, shutting
  96. * the file down and freeing any associated memory. The next file handle
  97. * in the stack becomes associated with the input stream for this shell.
  98. *
  99. * \return
  100. * BOOL_TRUE - the current file handle has been replaced.
  101. * BOOL_FALSE - there is only one handle on the stack which cannot be replaced.
  102. */
  103. int clish_shell_pop_file(clish_shell_t * instance);
  104. clish_view_t *clish_shell_find_view(clish_shell_t * instance, const char *name);
  105. void clish_shell_insert_view(clish_shell_t * instance, clish_view_t * view);
  106. clish_pargv_status_t clish_shell_parse(clish_shell_t * instance,
  107. const char *line, const clish_command_t ** cmd, clish_pargv_t ** pargv);
  108. clish_pargv_status_t clish_shell_parse_pargv(clish_pargv_t *pargv,
  109. const clish_command_t *cmd,
  110. void *context,
  111. clish_paramv_t *paramv,
  112. const lub_argv_t *argv,
  113. unsigned *idx, clish_pargv_t *last, unsigned need_index);
  114. char *clish_shell_word_generator(clish_shell_t * instance,
  115. const char *line, unsigned offset, unsigned state);
  116. const clish_command_t *clish_shell_resolve_command(const clish_shell_t *
  117. instance, const char *line);
  118. const clish_command_t *clish_shell_resolve_prefix(const clish_shell_t *
  119. instance, const char *line);
  120. void clish_shell_insert_ptype(clish_shell_t * instance, clish_ptype_t * ptype);
  121. void clish_shell_tinyrl_history(clish_shell_t * instance, unsigned int *limit);
  122. tinyrl_t *clish_shell_tinyrl_new(FILE * instream,
  123. FILE * outstream, unsigned stifle);
  124. void clish_shell_tinyrl_delete(tinyrl_t * instance);
  125. void clish_shell_param_generator(clish_shell_t * instance, lub_argv_t *matches,
  126. const clish_command_t * cmd, const char *line, unsigned offset);
  127. char **clish_shell_tinyrl_completion(tinyrl_t * tinyrl,
  128. const char *line, unsigned start, unsigned end);
  129. void clish_shell__expand_viewid(const char *viewid, lub_bintree_t *tree,
  130. clish_context_t *context);
  131. void clish_shell__init_pwd(clish_shell_pwd_t *pwd);
  132. void clish_shell__fini_pwd(clish_shell_pwd_t *pwd);
  133. int clish_shell_timeout_fn(tinyrl_t *tinyrl);
  134. int clish_shell_keypress_fn(tinyrl_t *tinyrl, int key);
  135. /* Internal plugin symbols */
  136. CLISH_PLUGIN_SYM(clish_script);