diff options
| -rw-r--r-- | json-rpc-shell.c | 114 |
1 files changed, 57 insertions, 57 deletions
diff --git a/json-rpc-shell.c b/json-rpc-shell.c index f15d5db..ce02642 100644 --- a/json-rpc-shell.c +++ b/json-rpc-shell.c @@ -59,6 +59,13 @@ #include <curses.h> #include <term.h> +/// Shorthand to set an error and return failure from the function +#define FAIL(...) \ + BLOCK_START \ + error_set (e, __VA_ARGS__); \ + return false; \ + BLOCK_END + // --- Configuration (application-specific) ------------------------------------ static struct config_item g_config_table[] = @@ -76,6 +83,56 @@ static struct config_item g_config_table[] = { NULL, NULL, NULL } }; +// --- Terminal ---------------------------------------------------------------- + +static struct +{ + bool initialized; ///< Terminal is available + bool stdout_is_tty; ///< `stdout' is a terminal + bool stderr_is_tty; ///< `stderr' is a terminal + + char *color_set[8]; ///< Codes to set the foreground colour +} +g_terminal; + +static bool +init_terminal (void) +{ + int tty_fd = -1; + if ((g_terminal.stderr_is_tty = isatty (STDERR_FILENO))) + tty_fd = STDERR_FILENO; + if ((g_terminal.stdout_is_tty = isatty (STDOUT_FILENO))) + tty_fd = STDOUT_FILENO; + + int err; + if (tty_fd == -1 || setupterm (NULL, tty_fd, &err) == ERR) + return false; + + // Make sure all terminal features used by us are supported + if (!set_a_foreground || !enter_bold_mode || !exit_attribute_mode) + { + del_curterm (cur_term); + return false; + } + + for (size_t i = 0; i < N_ELEMENTS (g_terminal.color_set); i++) + g_terminal.color_set[i] = xstrdup (tparm (set_a_foreground, + i, 0, 0, 0, 0, 0, 0, 0, 0)); + + return g_terminal.initialized = true; +} + +static void +free_terminal (void) +{ + if (!g_terminal.initialized) + return; + + for (size_t i = 0; i < N_ELEMENTS (g_terminal.color_set); i++) + free (g_terminal.color_set[i]); + del_curterm (cur_term); +} + // --- Main program ------------------------------------------------------------ // HTTP/S and WS/S require significantly different handling. While for HTTP we @@ -108,13 +165,6 @@ struct backend_iface void (*destroy) (struct app_context *ctx); }; -/// Shorthand to set an error and return failure from the function -#define FAIL(...) \ - BLOCK_START \ - error_set (e, __VA_ARGS__); \ - return false; \ - BLOCK_END - // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - enum ws_handler_state @@ -234,56 +284,6 @@ g_ctx; // --- Attributed output ------------------------------------------------------- -static struct -{ - bool initialized; ///< Terminal is available - bool stdout_is_tty; ///< `stdout' is a terminal - bool stderr_is_tty; ///< `stderr' is a terminal - - char *color_set[8]; ///< Codes to set the foreground colour -} -g_terminal; - -static bool -init_terminal (void) -{ - int tty_fd = -1; - if ((g_terminal.stderr_is_tty = isatty (STDERR_FILENO))) - tty_fd = STDERR_FILENO; - if ((g_terminal.stdout_is_tty = isatty (STDOUT_FILENO))) - tty_fd = STDOUT_FILENO; - - int err; - if (tty_fd == -1 || setupterm (NULL, tty_fd, &err) == ERR) - return false; - - // Make sure all terminal features used by us are supported - if (!set_a_foreground || !enter_bold_mode || !exit_attribute_mode) - { - del_curterm (cur_term); - return false; - } - - for (size_t i = 0; i < N_ELEMENTS (g_terminal.color_set); i++) - g_terminal.color_set[i] = xstrdup (tparm (set_a_foreground, - i, 0, 0, 0, 0, 0, 0, 0, 0)); - - return g_terminal.initialized = true; -} - -static void -free_terminal (void) -{ - if (!g_terminal.initialized) - return; - - for (size_t i = 0; i < N_ELEMENTS (g_terminal.color_set); i++) - free (g_terminal.color_set[i]); - del_curterm (cur_term); -} - -// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - typedef int (*terminal_printer_fn) (int); static int |