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private.h 4.1 KB

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  1. /*
  2. * shell.h - private interface to the shell class
  3. */
  4. #include "clish/shell.h"
  5. #include "clish/pargv.h"
  6. #include "clish/variable.h"
  7. #include "lub/bintree.h"
  8. #include "tinyrl/tinyrl.h"
  9. /*-------------------------------------
  10. * PRIVATE TYPES
  11. *------------------------------------- */
  12. /*-------------------------------------------------------- */
  13. /*
  14. * iterate around commands
  15. */
  16. typedef struct {
  17. const char *last_cmd;
  18. clish_nspace_visibility_t field;
  19. } clish_shell_iterator_t;
  20. /* this is used to maintain a stack of file handles */
  21. typedef struct clish_shell_file_s clish_shell_file_t;
  22. struct clish_shell_file_s {
  23. clish_shell_file_t *next;
  24. FILE *file;
  25. bool_t stop_on_error; /* stop on error for file input */
  26. };
  27. typedef struct {
  28. char *line;
  29. clish_view_t *view;
  30. char *viewid;
  31. } clish_shell_pwd_t;
  32. /*
  33. * The context structure
  34. */
  35. struct clish_context_s {
  36. clish_shell_iterator_t iter; /* used for iterating commands */
  37. };
  38. struct clish_shell_s {
  39. lub_bintree_t view_tree; /* Maintain a tree of views */
  40. lub_bintree_t ptype_tree; /* Maintain a tree of ptypes */
  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_view_t *view; /* Reference to the current view. */
  45. clish_command_t *startup; /* This is the startup command */
  46. clish_shell_state_t state; /* The current state */
  47. char *overview; /* Overview text for this shell. */
  48. char *viewid; /* The current view ID string */
  49. tinyrl_t *tinyrl; /* Tiny readline instance */
  50. clish_shell_file_t *current_file; /* file currently in use for input */
  51. clish_shell_pwd_t **cfg_pwdv; /* Levels for the config file structure */
  52. unsigned cfg_pwdc;
  53. konf_client_t *client;
  54. char * lockfile;
  55. pthread_t pthread;
  56. clish_context_t context;
  57. char * default_shebang;
  58. char * fifo_name; /* The name of temporary fifo file. */
  59. bool_t interactive; /* Is shell interactive. */
  60. /* Static params for var expanding. The refactoring is needed. */
  61. clish_param_t *param_depth;
  62. clish_param_t *param_pwd;
  63. clish_param_t *param_interactive;
  64. };
  65. /**
  66. * Initialise a command iterator structure
  67. */
  68. void
  69. clish_shell_iterator_init(clish_shell_iterator_t * iter,
  70. clish_nspace_visibility_t field);
  71. /**
  72. * get the next command which is an extension of the specified line
  73. */
  74. const clish_command_t *clish_shell_find_next_completion(const clish_shell_t *
  75. instance, const char *line, clish_shell_iterator_t * iter);
  76. /**
  77. * Pop the current file handle from the stack of file handles, shutting
  78. * the file down and freeing any associated memory. The next file handle
  79. * in the stack becomes associated with the input stream for this shell.
  80. *
  81. * \return
  82. * BOOL_TRUE - the current file handle has been replaced.
  83. * BOOL_FALSE - there is only one handle on the stack which cannot be replaced.
  84. */
  85. bool_t clish_shell_pop_file(clish_shell_t * instance);
  86. clish_view_t *clish_shell_find_view(clish_shell_t * instance, const char *name);
  87. void clish_shell_insert_view(clish_shell_t * instance, clish_view_t * view);
  88. clish_pargv_status_t clish_shell_parse(const clish_shell_t * instance,
  89. const char *line, const clish_command_t ** cmd, clish_pargv_t ** pargv);
  90. char *clish_shell_word_generator(clish_shell_t * instance,
  91. const char *line, unsigned offset, unsigned state);
  92. const clish_command_t *clish_shell_resolve_command(const clish_shell_t *
  93. instance, const char *line);
  94. const clish_command_t *clish_shell_resolve_prefix(const clish_shell_t *
  95. instance, const char *line);
  96. void clish_shell_insert_ptype(clish_shell_t * instance, clish_ptype_t * ptype);
  97. void clish_shell_tinyrl_history(clish_shell_t * instance, unsigned int *limit);
  98. tinyrl_t *clish_shell_tinyrl_new(FILE * instream,
  99. FILE * outstream, unsigned stifle);
  100. void clish_shell_tinyrl_delete(tinyrl_t * instance);
  101. void clish_shell_param_generator(clish_shell_t * instance, lub_argv_t *matches,
  102. const clish_command_t * cmd, const char *line, unsigned offset);
  103. char **clish_shell_tinyrl_completion(tinyrl_t * tinyrl,
  104. const char *line, unsigned start, unsigned end);