[FL-1542], [FL-1603] Generate random name (#602)
* Lib: add random name library * Text_input: add default text clearing * All: rework all applications with new text_input API * Nfc: fix removing dev file on save_name scene enter * Lib: move all free radicals to toolbox and update API usage. Co-authored-by: あく <alleteam@gmail.com>
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79
lib/toolbox/args.c
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79
lib/toolbox/args.c
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#include "args.h"
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#include "hex.h"
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size_t args_get_first_word_length(string_t args) {
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size_t ws = string_search_char(args, ' ');
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if(ws == STRING_FAILURE) {
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ws = string_size(args);
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}
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return ws;
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}
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size_t args_length(string_t args) {
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return string_size(args);
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}
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bool args_read_string_and_trim(string_t args, string_t word) {
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size_t cmd_length = args_get_first_word_length(args);
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if(cmd_length == 0) {
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return false;
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}
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string_set_n(word, args, 0, cmd_length);
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string_right(args, cmd_length);
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string_strim(args);
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return true;
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}
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bool args_read_probably_quoted_string_and_trim(string_t args, string_t word) {
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if(string_size(args) > 1 && string_get_char(args, 0) == '\"') {
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size_t second_quote_pos = string_search_char(args, '\"', 1);
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if(second_quote_pos == 0) {
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return false;
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}
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string_set_n(word, args, 1, second_quote_pos - 1);
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string_right(args, second_quote_pos + 1);
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string_strim(args);
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return true;
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} else {
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return args_read_string_and_trim(args, word);
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}
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}
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bool args_char_to_hex(char hi_nibble, char low_nibble, uint8_t* byte) {
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uint8_t hi_nibble_value = 0;
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uint8_t low_nibble_value = 0;
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bool result = false;
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if(hex_char_to_hex_nibble(hi_nibble, &hi_nibble_value)) {
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if(hex_char_to_hex_nibble(low_nibble, &low_nibble_value)) {
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result = true;
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*byte = (hi_nibble_value << 4) | low_nibble_value;
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}
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}
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return result;
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}
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bool args_read_hex_bytes(string_t args, uint8_t* bytes, uint8_t bytes_count) {
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bool result = true;
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const char* str_pointer = string_get_cstr(args);
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if(args_get_first_word_length(args) == (bytes_count * 2)) {
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for(uint8_t i = 0; i < bytes_count; i++) {
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if(!args_char_to_hex(str_pointer[i * 2], str_pointer[i * 2 + 1], &(bytes[i]))) {
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result = false;
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break;
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}
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}
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} else {
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result = false;
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}
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return result;
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}
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