418 lines
12 KiB
C
418 lines
12 KiB
C
#include "cli_i.h"
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#include "cli_commands.h"
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#include <furi_hal_version.h>
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#include <loader/loader.h>
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Cli* cli_alloc() {
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Cli* cli = malloc(sizeof(Cli));
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CliCommandTree_init(cli->commands);
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string_init(cli->last_line);
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string_init(cli->line);
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cli->mutex = osMutexNew(NULL);
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furi_check(cli->mutex);
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return cli;
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}
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void cli_free(Cli* cli) {
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furi_assert(cli);
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string_clear(cli->last_line);
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string_clear(cli->line);
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CliCommandTree_clear(cli->commands);
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free(cli);
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}
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void cli_putc(char c) {
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furi_hal_vcp_tx((uint8_t*)&c, 1);
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}
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char cli_getc(Cli* cli) {
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furi_assert(cli);
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char c;
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if(furi_hal_vcp_rx((uint8_t*)&c, 1) == 0) {
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cli_reset(cli);
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}
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return c;
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}
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void cli_stdout_callback(void* _cookie, const char* data, size_t size) {
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furi_hal_vcp_tx((const uint8_t*)data, size);
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}
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void cli_write(Cli* cli, const uint8_t* buffer, size_t size) {
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return furi_hal_vcp_tx(buffer, size);
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}
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size_t cli_read(Cli* cli, uint8_t* buffer, size_t size) {
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return furi_hal_vcp_rx(buffer, size);
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}
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bool cli_cmd_interrupt_received(Cli* cli) {
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char c = '\0';
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if(furi_hal_vcp_rx_with_timeout((uint8_t*)&c, 1, 0) == 1) {
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return c == CliSymbolAsciiETX;
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} else {
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return false;
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}
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}
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void cli_print_usage(const char* cmd, const char* usage, const char* arg) {
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furi_assert(cmd);
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furi_assert(arg);
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furi_assert(usage);
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printf("%s: illegal option -- %s\r\nusage: %s %s", cmd, arg, cmd, usage);
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}
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void cli_motd() {
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printf("\r\n"
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" _.-------.._ -,\r\n"
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" .-\"```\"--..,,_/ /`-, -, \\ \r\n"
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" .:\" /:/ /'\\ \\ ,_..., `. | |\r\n"
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" / ,----/:/ /`\\ _\\~`_-\"` _;\r\n"
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" ' / /`\"\"\"'\\ \\ \\.~`_-' ,-\"'/ \r\n"
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" | | | 0 | | .-' ,/` /\r\n"
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" | ,..\\ \\ ,.-\"` ,/` /\r\n"
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" ; : `/`\"\"\\` ,/--==,/-----,\r\n"
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" | `-...| -.___-Z:_______J...---;\r\n"
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" : ` _-'\r\n"
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" _L_ _ ___ ___ ___ ___ ____--\"`___ _ ___\r\n"
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"| __|| | |_ _|| _ \\| _ \\| __|| _ \\ / __|| | |_ _|\r\n"
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"| _| | |__ | | | _/| _/| _| | / | (__ | |__ | |\r\n"
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"|_| |____||___||_| |_| |___||_|_\\ \\___||____||___|\r\n"
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"\r\n"
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"Welcome to Flipper Zero Command Line Interface!\r\n"
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"Read Manual https://docs.flipperzero.one\r\n"
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"\r\n");
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const Version* firmware_version = furi_hal_version_get_firmware_version();
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if(firmware_version) {
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printf(
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"Firmware version: %s %s (%s%s built on %s)\r\n",
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version_get_gitbranch(firmware_version),
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version_get_version(firmware_version),
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version_get_githash(firmware_version),
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version_get_dirty_flag(firmware_version) ? "-dirty" : "",
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version_get_builddate(firmware_version));
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}
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}
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void cli_nl(Cli* cli) {
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printf("\r\n");
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}
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void cli_prompt(Cli* cli) {
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printf("\r\n>: %s", string_get_cstr(cli->line));
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fflush(stdout);
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}
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void cli_reset(Cli* cli) {
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// cli->last_line is cleared and cli->line's buffer moved to cli->last_line
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string_move(cli->last_line, cli->line);
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// Reiniting cli->line
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string_init(cli->line);
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cli->cursor_position = 0;
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}
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static void cli_handle_backspace(Cli* cli) {
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if(string_size(cli->line) > 0) {
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// Other side
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printf("\e[D\e[1P");
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fflush(stdout);
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// Our side
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string_t temp;
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string_init(temp);
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string_reserve(temp, string_size(cli->line) - 1);
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string_set_strn(temp, string_get_cstr(cli->line), cli->cursor_position - 1);
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string_cat_str(temp, string_get_cstr(cli->line) + cli->cursor_position);
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// cli->line is cleared and temp's buffer moved to cli->line
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string_move(cli->line, temp);
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// NO MEMORY LEAK, STOP REPORTING IT
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cli->cursor_position--;
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} else {
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cli_putc(CliSymbolAsciiBell);
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}
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}
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static void cli_normalize_line(Cli* cli) {
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string_strim(cli->line);
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cli->cursor_position = string_size(cli->line);
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}
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static void cli_execute_command(Cli* cli, CliCommand* command, string_t args) {
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if(!(command->flags & CliCommandFlagInsomniaSafe)) {
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furi_hal_power_insomnia_enter();
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}
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// Ensure that we running alone
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if(!(command->flags & CliCommandFlagParallelSafe)) {
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Loader* loader = furi_record_open("loader");
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bool safety_lock = loader_lock(loader);
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if(safety_lock) {
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// Execute command
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command->callback(cli, args, command->context);
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loader_unlock(loader);
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} else {
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printf("Other application is running, close it first");
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}
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furi_record_close("loader");
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} else {
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// Execute command
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command->callback(cli, args, command->context);
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}
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if(!(command->flags & CliCommandFlagInsomniaSafe)) {
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furi_hal_power_insomnia_exit();
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}
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}
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static void cli_handle_enter(Cli* cli) {
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cli_normalize_line(cli);
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if(string_size(cli->line) == 0) {
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cli_prompt(cli);
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return;
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}
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// Command and args container
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string_t command;
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string_init(command);
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string_t args;
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string_init(args);
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// Split command and args
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size_t ws = string_search_char(cli->line, ' ');
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if(ws == STRING_FAILURE) {
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string_set(command, cli->line);
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} else {
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string_set_n(command, cli->line, 0, ws);
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string_set_n(args, cli->line, ws, string_size(cli->line));
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string_strim(args);
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}
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// Search for command
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furi_check(osMutexAcquire(cli->mutex, osWaitForever) == osOK);
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CliCommand* cli_command = CliCommandTree_get(cli->commands, command);
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if(cli_command) {
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cli_nl(cli);
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cli_execute_command(cli, cli_command, args);
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} else {
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cli_nl(cli);
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printf(
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"`%s` command not found, use `help` or `?` to list all available commands",
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string_get_cstr(command));
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cli_putc(CliSymbolAsciiBell);
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}
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furi_check(osMutexRelease(cli->mutex) == osOK);
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cli_reset(cli);
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cli_prompt(cli);
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// Cleanup command and args
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string_clear(command);
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string_clear(args);
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}
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static void cli_handle_autocomplete(Cli* cli) {
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cli_normalize_line(cli);
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if(string_size(cli->line) == 0) {
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return;
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}
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cli_nl(cli);
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// Prepare common base for autocomplete
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string_t common;
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string_init(common);
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// Iterate throw commands
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for
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M_EACH(cli_command, cli->commands, CliCommandTree_t) {
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// Process only if starts with line buffer
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if(string_start_with_string_p(*cli_command->key_ptr, cli->line)) {
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// Show autocomplete option
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printf("%s\r\n", string_get_cstr(*cli_command->key_ptr));
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// Process common base for autocomplete
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if(string_size(common) > 0) {
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// Choose shortest string
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const size_t key_size = string_size(*cli_command->key_ptr);
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const size_t common_size = string_size(common);
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const size_t min_size = key_size > common_size ? common_size : key_size;
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size_t i = 0;
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while(i < min_size) {
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// Stop when do not match
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if(string_get_char(*cli_command->key_ptr, i) !=
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string_get_char(common, i)) {
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break;
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}
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i++;
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}
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// Cut right part if any
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string_left(common, i);
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} else {
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// Start with something
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string_set(common, *cli_command->key_ptr);
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}
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}
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}
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// Replace line buffer if autocomplete better
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if(string_size(common) > string_size(cli->line)) {
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string_set(cli->line, common);
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cli->cursor_position = string_size(cli->line);
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}
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// Cleanup
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string_clear(common);
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// Show prompt
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cli_prompt(cli);
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}
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static void cli_handle_escape(Cli* cli, char c) {
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if(c == 'A') {
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// Use previous command if line buffer is empty
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if(string_size(cli->line) == 0 && string_cmp(cli->line, cli->last_line) != 0) {
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// Set line buffer and cursor position
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string_set(cli->line, cli->last_line);
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cli->cursor_position = string_size(cli->line);
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// Show new line to user
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printf("%s", string_get_cstr(cli->line));
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}
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} else if(c == 'B') {
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} else if(c == 'C') {
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if(cli->cursor_position < string_size(cli->line)) {
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cli->cursor_position++;
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printf("\e[C");
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}
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} else if(c == 'D') {
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if(cli->cursor_position > 0) {
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cli->cursor_position--;
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printf("\e[D");
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}
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}
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fflush(stdout);
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}
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void cli_process_input(Cli* cli) {
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char c = cli_getc(cli);
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size_t r;
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if(c == CliSymbolAsciiTab) {
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cli_handle_autocomplete(cli);
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} else if(c == CliSymbolAsciiSOH) {
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osDelay(33); // We are too fast, Minicom is not ready yet
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cli_motd();
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cli_prompt(cli);
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} else if(c == CliSymbolAsciiETX) {
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cli_reset(cli);
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cli_prompt(cli);
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} else if(c == CliSymbolAsciiEOT) {
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cli_reset(cli);
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} else if(c == CliSymbolAsciiEsc) {
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r = furi_hal_vcp_rx((uint8_t*)&c, 1);
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if(r && c == '[') {
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furi_hal_vcp_rx((uint8_t*)&c, 1);
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cli_handle_escape(cli, c);
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} else {
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cli_putc(CliSymbolAsciiBell);
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}
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} else if(c == CliSymbolAsciiBackspace || c == CliSymbolAsciiDel) {
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cli_handle_backspace(cli);
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} else if(c == CliSymbolAsciiCR) {
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cli_handle_enter(cli);
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} else if(c >= 0x20 && c < 0x7F) {
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if(cli->cursor_position == string_size(cli->line)) {
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string_push_back(cli->line, c);
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cli_putc(c);
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} else {
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// ToDo: better way?
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string_t temp;
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string_init(temp);
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string_reserve(temp, string_size(cli->line) + 1);
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string_set_strn(temp, string_get_cstr(cli->line), cli->cursor_position);
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string_push_back(temp, c);
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string_cat_str(temp, string_get_cstr(cli->line) + cli->cursor_position);
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// cli->line is cleared and temp's buffer moved to cli->line
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string_move(cli->line, temp);
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// NO MEMORY LEAK, STOP REPORTING IT
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// Print character in replace mode
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printf("\e[4h%c\e[4l", c);
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fflush(stdout);
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}
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cli->cursor_position++;
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} else {
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cli_putc(CliSymbolAsciiBell);
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}
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}
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void cli_add_command(
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Cli* cli,
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const char* name,
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CliCommandFlag flags,
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CliCallback callback,
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void* context) {
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string_t name_str;
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string_init_set_str(name_str, name);
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string_strim(name_str);
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size_t name_replace;
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do {
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name_replace = string_replace_str(name_str, " ", "_");
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} while(name_replace != STRING_FAILURE);
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CliCommand c;
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c.callback = callback;
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c.context = context;
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c.flags = flags;
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furi_check(osMutexAcquire(cli->mutex, osWaitForever) == osOK);
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CliCommandTree_set_at(cli->commands, name_str, c);
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furi_check(osMutexRelease(cli->mutex) == osOK);
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string_clear(name_str);
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}
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void cli_delete_command(Cli* cli, const char* name) {
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string_t name_str;
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string_init_set_str(name_str, name);
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string_strim(name_str);
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size_t name_replace;
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do {
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name_replace = string_replace_str(name_str, " ", "_");
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} while(name_replace != STRING_FAILURE);
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furi_check(osMutexAcquire(cli->mutex, osWaitForever) == osOK);
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CliCommandTree_erase(cli->commands, name_str);
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furi_check(osMutexRelease(cli->mutex) == osOK);
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string_clear(name_str);
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}
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int32_t cli_srv(void* p) {
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Cli* cli = cli_alloc();
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furi_hal_vcp_init();
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// Init basic cli commands
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cli_commands_init(cli);
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furi_record_create("cli", cli);
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furi_stdglue_set_thread_stdout_callback(cli_stdout_callback);
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while(1) {
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cli_process_input(cli);
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}
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return 0;
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}
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