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private.h 4.8 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. /*-------------------------------------
  13. * PRIVATE TYPES
  14. *------------------------------------- */
  15. /*-------------------------------------------------------- */
  16. /*
  17. * iterate around commands
  18. */
  19. typedef struct {
  20. const char *last_cmd;
  21. clish_nspace_visibility_t field;
  22. } clish_shell_iterator_t;
  23. /* this is used to maintain a stack of file handles */
  24. typedef struct clish_shell_file_s clish_shell_file_t;
  25. struct clish_shell_file_s {
  26. clish_shell_file_t *next;
  27. FILE *file;
  28. char *fname;
  29. unsigned int line;
  30. bool_t stop_on_error; /* stop on error for file input */
  31. };
  32. typedef struct {
  33. char *line;
  34. clish_view_t *view;
  35. lub_bintree_t viewid;
  36. } clish_shell_pwd_t;
  37. struct clish_shell_s {
  38. lub_bintree_t view_tree; /* Maintain a tree of views */
  39. lub_bintree_t ptype_tree; /* Maintain a tree of ptypes */
  40. lub_bintree_t var_tree; /* Maintain a tree of global variables */
  41. const clish_shell_hooks_t *client_hooks; /* Client callback hooks */
  42. void *client_cookie; /* Client callback cookie */
  43. clish_view_t *global; /* Reference to the global view. */
  44. clish_command_t *startup; /* This is the startup command */
  45. unsigned int idle_timeout; /* This is the idle timeout */
  46. clish_command_t *wdog; /* This is the watchdog command */
  47. unsigned int wdog_timeout; /* This is the watchdog timeout */
  48. bool_t wdog_active; /* If watchdog is active now */
  49. clish_shell_state_t state; /* The current state */
  50. char *overview; /* Overview text for this shell */
  51. tinyrl_t *tinyrl; /* Tiny readline instance */
  52. clish_shell_file_t *current_file; /* file currently in use for input */
  53. clish_shell_pwd_t **pwdv; /* Levels for the config file structure */
  54. unsigned int pwdc;
  55. int depth;
  56. konf_client_t *client;
  57. char *lockfile;
  58. char *default_shebang;
  59. char *fifo_name; /* The name of temporary fifo file. */
  60. bool_t interactive; /* Is shell interactive. */
  61. bool_t log; /* If command logging is enabled */
  62. struct passwd *user; /* Current user information */
  63. lub_list_t *plugins; /* List of plugins */
  64. /* Static params for var expanding. The refactoring is needed. */
  65. clish_param_t *param_depth;
  66. clish_param_t *param_pwd;
  67. };
  68. /**
  69. * Initialise a command iterator structure
  70. */
  71. void
  72. clish_shell_iterator_init(clish_shell_iterator_t * iter,
  73. clish_nspace_visibility_t field);
  74. /**
  75. * get the next command which is an extension of the specified line
  76. */
  77. const clish_command_t *clish_shell_find_next_completion(const clish_shell_t *
  78. instance, const char *line, clish_shell_iterator_t * iter);
  79. /**
  80. * Pop the current file handle from the stack of file handles, shutting
  81. * the file down and freeing any associated memory. The next file handle
  82. * in the stack becomes associated with the input stream for this shell.
  83. *
  84. * \return
  85. * BOOL_TRUE - the current file handle has been replaced.
  86. * BOOL_FALSE - there is only one handle on the stack which cannot be replaced.
  87. */
  88. int clish_shell_pop_file(clish_shell_t * instance);
  89. clish_view_t *clish_shell_find_view(clish_shell_t * instance, const char *name);
  90. void clish_shell_insert_view(clish_shell_t * instance, clish_view_t * view);
  91. clish_pargv_status_t clish_shell_parse(clish_shell_t * instance,
  92. const char *line, const clish_command_t ** cmd, clish_pargv_t ** pargv);
  93. clish_pargv_status_t clish_shell_parse_pargv(clish_pargv_t *pargv,
  94. const clish_command_t *cmd,
  95. void *context,
  96. clish_paramv_t *paramv,
  97. const lub_argv_t *argv,
  98. unsigned *idx, clish_pargv_t *last, unsigned need_index);
  99. char *clish_shell_word_generator(clish_shell_t * instance,
  100. const char *line, unsigned offset, unsigned state);
  101. const clish_command_t *clish_shell_resolve_command(const clish_shell_t *
  102. instance, const char *line);
  103. const clish_command_t *clish_shell_resolve_prefix(const clish_shell_t *
  104. instance, const char *line);
  105. void clish_shell_insert_ptype(clish_shell_t * instance, clish_ptype_t * ptype);
  106. void clish_shell_tinyrl_history(clish_shell_t * instance, unsigned int *limit);
  107. tinyrl_t *clish_shell_tinyrl_new(FILE * instream,
  108. FILE * outstream, unsigned stifle);
  109. void clish_shell_tinyrl_delete(tinyrl_t * instance);
  110. void clish_shell_param_generator(clish_shell_t * instance, lub_argv_t *matches,
  111. const clish_command_t * cmd, const char *line, unsigned offset);
  112. char **clish_shell_tinyrl_completion(tinyrl_t * tinyrl,
  113. const char *line, unsigned start, unsigned end);
  114. void clish_shell__expand_viewid(const char *viewid, lub_bintree_t *tree,
  115. clish_context_t *context);
  116. void clish_shell__init_pwd(clish_shell_pwd_t *pwd);
  117. void clish_shell__fini_pwd(clish_shell_pwd_t *pwd);
  118. int clish_shell_timeout_fn(tinyrl_t *tinyrl);
  119. int clish_shell_keypress_fn(tinyrl_t *tinyrl, int key);