diff options
Diffstat (limited to 'hitomezashi_cli.c')
| -rw-r--r-- | hitomezashi_cli.c | 279 |
1 files changed, 147 insertions, 132 deletions
diff --git a/hitomezashi_cli.c b/hitomezashi_cli.c index 24f488f..4a9f02d 100644 --- a/hitomezashi_cli.c +++ b/hitomezashi_cli.c @@ -1,7 +1,7 @@ #include "hitomezashi_cli.h" -#include "hitomezashi.h" -#include "getopt/xgetopt.h" #include "SDL.h" +#include "getopt/xgetopt.h" +#include "hitomezashi.h" #include <limits.h> #include <stdbool.h> #include <stddef.h> @@ -9,150 +9,165 @@ #include <stdlib.h> int main(int argc, char **argv) { - if (SDL_Init(SDL_INIT_VIDEO) != 0) { - SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, "Failed to initialise SDL: %s", SDL_GetError()); - return Hitomezashi_Cli_Exit_Code_Err_Sdl_Init; - } + if (SDL_Init(SDL_INIT_VIDEO) != 0) { + SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, "Failed to initialise SDL: %s", + SDL_GetError()); + return Hitomezashi_Cli_Exit_Code_Err_Sdl_Init; + } - char *out_file_path; - int x_pattern_len; - int y_pattern_len; - char *x_pattern; - char *y_pattern; - int gap; - int thickness; - hitomezashi_cli_handle_args(&out_file_path, &x_pattern_len, &y_pattern_len, &x_pattern, &y_pattern, &gap, &thickness, argc, argv); + char *out_file_path; + int x_pattern_len; + int y_pattern_len; + char *x_pattern; + char *y_pattern; + int gap; + int thickness; + hitomezashi_cli_handle_args(&out_file_path, &x_pattern_len, &y_pattern_len, + &x_pattern, &y_pattern, &gap, &thickness, argc, + argv); - struct Hitomezashi_State state; - if (hitomezashi_state_init(&state, x_pattern_len, y_pattern_len, x_pattern, y_pattern, gap, thickness) != 0) { - return Hitomezashi_Cli_Exit_Code_Err_State_Init; - } + struct Hitomezashi_State state; + if (hitomezashi_state_init(&state, x_pattern_len, y_pattern_len, x_pattern, + y_pattern, gap, thickness) != 0) { + return Hitomezashi_Cli_Exit_Code_Err_State_Init; + } - hitomezashi_draw(&state); + hitomezashi_draw(&state); - if (SDL_SaveBMP(state.surface, out_file_path) != 0) { - SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, "Failed to save image"); - return Hitomezashi_Cli_Exit_Code_Err_Save_Image; - } + if (SDL_SaveBMP(state.surface, out_file_path) != 0) { + SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, "Failed to save image"); + return Hitomezashi_Cli_Exit_Code_Err_Save_Image; + } - SDL_FreeSurface(state.surface); - free(state.x_pattern); - free(state.y_pattern); + SDL_FreeSurface(state.surface); + free(state.x_pattern); + free(state.y_pattern); - SDL_Quit(); + SDL_Quit(); } // Attempts to prints help. Exits 0 on success, 2 on failure. void hitomezashi_cli_help(void) { - if (puts( - "hitomezashi_cli - generate hitomezashi patterns\n" - "Options:\n" - "-o - specify the output image (BMP) path\n" - "-x - specify the x pattern as a string of zeroes and ones (eg. 0101)\n" - "-y - specify the y pattern, as with -x\n" - "-g - specify the gap between lines as an integer\n" - "-t - specify the line thickness as an integer\n" - "-h - print this help and exit" - ) < 0) { - exit(Hitomezashi_Cli_Exit_Code_Err_Print_Help); - } - exit(Hitomezashi_Cli_Exit_Code_Success); + if (puts("hitomezashi_cli - generate hitomezashi patterns\n" + "Options:\n" + "-o - specify the output image (BMP) path\n" + "-x - specify the x pattern as a string of zeroes and ones (eg. " + "0101)\n" + "-y - specify the y pattern, as with -x\n" + "-g - specify the gap between lines as an integer\n" + "-t - specify the line thickness as an integer\n" + "-h - print this help and exit") < 0) { + exit(Hitomezashi_Cli_Exit_Code_Err_Print_Help); + } + exit(Hitomezashi_Cli_Exit_Code_Success); } char *hitomezashi_cli_ascii_binary_str_to_ints(char *ascii_str, size_t n) { - char *res = malloc(n); - for (int i = 0; i < n; ++i) { - switch(ascii_str[i]) { - case '0':; - res[i] = 0; - break; - case '1':; - res[i] = 1; - break; - default:; - free(res); - printf("%d\n", ascii_str[i]); - return NULL; - } - } - return res; + char *res = malloc(n); + for (int i = 0; i < n; ++i) { + switch (ascii_str[i]) { + case '0':; + res[i] = 0; + break; + case '1':; + res[i] = 1; + break; + default:; + free(res); + printf("%d\n", ascii_str[i]); + return NULL; + } + } + return res; } -// Parses arguments with xgetopt, ensures they are valid, initialises various variables based on them. -// Prints and exits if it encounters an error. -void hitomezashi_cli_handle_args(char **out_file_path, int *x_pattern_len, int *y_pattern_len, char **x_pattern, char **y_pattern, int *gap, int *thickness, int argc, char **argv) { - bool out_file_path_specified = false; - bool x_pattern_specified = false; - bool y_pattern_specified = false; - bool gap_specified = false; - bool thickness_specified = false; +// Parses arguments with xgetopt, ensures they are valid, initialises various +// variables based on them. Prints and exits if it encounters an error. +void hitomezashi_cli_handle_args(char **out_file_path, int *x_pattern_len, + int *y_pattern_len, char **x_pattern, + char **y_pattern, int *gap, int *thickness, + int argc, char **argv) { + bool out_file_path_specified = false; + bool x_pattern_specified = false; + bool y_pattern_specified = false; + bool gap_specified = false; + bool thickness_specified = false; - struct xgetopt xgetopt_state = XGETOPT_INIT; - int option; - while ((option = xgetopt(&xgetopt_state, argc, argv, "o:x:y:g:t:h") != -1)) { - switch (xgetopt_state.optopt) { - case 'o':; - *out_file_path = xgetopt_state.optarg; - out_file_path_specified = true; - break; - case 'x':; - size_t x_pattern_len_l = strlen(xgetopt_state.optarg); - if (x_pattern_len_l >= INT_MAX) { - SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, "X pattern length must be shorter than %d", INT_MAX); - exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); - } - *x_pattern_len = x_pattern_len_l; - *x_pattern = hitomezashi_cli_ascii_binary_str_to_ints(xgetopt_state.optarg, *x_pattern_len); - if (!*x_pattern) { - SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, "Invalid x pattern; see -h"); - exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); - } - x_pattern_specified = true; - break; - case 'y':; - size_t y_pattern_len_l = strlen(xgetopt_state.optarg); - if (y_pattern_len_l >= INT_MAX) { - SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, "Y pattern length must be shorter than %d", INT_MAX); - exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); - } - *y_pattern_len = y_pattern_len_l; - *y_pattern = hitomezashi_cli_ascii_binary_str_to_ints(xgetopt_state.optarg, *y_pattern_len); - if (!*y_pattern) { - SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, "Invalid y pattern; see -h"); - exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); - } - y_pattern_specified = true; - break; - case 'g':; - long gap_l = strtol(xgetopt_state.optarg, NULL, 0); - if (gap_l >= INT_MAX) { - SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, "Value for gap must be less than %d", INT_MAX); - exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); - } - *gap = gap_l; - gap_specified = true; - break; - case 't':; - long thickness_l = strtol(xgetopt_state.optarg, NULL, 0); - if (thickness_l >= INT_MAX) { - SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, "Value for line thickness must be less than %d", INT_MAX); - exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); - } - *thickness = thickness_l; - thickness_specified = true; - break; - case 'h':; - hitomezashi_cli_help(); - break; - default:; - SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, "Invalid argument: run with -h for help"); - exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); - } - } - if (!(out_file_path_specified && x_pattern_specified && y_pattern_specified && gap_specified && thickness_specified)) { - SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, "-o, -x, -y, -g, -t *must* be specified; run with -h for help"); - exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); - } + struct xgetopt xgetopt_state = XGETOPT_INIT; + int option; + while ((option = xgetopt(&xgetopt_state, argc, argv, "o:x:y:g:t:h") != -1)) { + switch (xgetopt_state.optopt) { + case 'o':; + *out_file_path = xgetopt_state.optarg; + out_file_path_specified = true; + break; + case 'x':; + size_t x_pattern_len_l = strlen(xgetopt_state.optarg); + if (x_pattern_len_l >= INT_MAX) { + SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, + "X pattern length must be shorter than %d", INT_MAX); + exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); + } + *x_pattern_len = x_pattern_len_l; + *x_pattern = hitomezashi_cli_ascii_binary_str_to_ints( + xgetopt_state.optarg, *x_pattern_len); + if (!*x_pattern) { + SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, "Invalid x pattern; see -h"); + exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); + } + x_pattern_specified = true; + break; + case 'y':; + size_t y_pattern_len_l = strlen(xgetopt_state.optarg); + if (y_pattern_len_l >= INT_MAX) { + SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, + "Y pattern length must be shorter than %d", INT_MAX); + exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); + } + *y_pattern_len = y_pattern_len_l; + *y_pattern = hitomezashi_cli_ascii_binary_str_to_ints( + xgetopt_state.optarg, *y_pattern_len); + if (!*y_pattern) { + SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, "Invalid y pattern; see -h"); + exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); + } + y_pattern_specified = true; + break; + case 'g':; + long gap_l = strtol(xgetopt_state.optarg, NULL, 0); + if (gap_l >= INT_MAX) { + SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, + "Value for gap must be less than %d", INT_MAX); + exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); + } + *gap = gap_l; + gap_specified = true; + break; + case 't':; + long thickness_l = strtol(xgetopt_state.optarg, NULL, 0); + if (thickness_l >= INT_MAX) { + SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, + "Value for line thickness must be less than %d", + INT_MAX); + exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); + } + *thickness = thickness_l; + thickness_specified = true; + break; + case 'h':; + hitomezashi_cli_help(); + break; + default:; + SDL_LogCritical(SDL_LOG_CATEGORY_ERROR, + "Invalid argument: run with -h for help"); + exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); + } + } + if (!(out_file_path_specified && x_pattern_specified && y_pattern_specified && + gap_specified && thickness_specified)) { + SDL_LogCritical( + SDL_LOG_CATEGORY_ERROR, + "-o, -x, -y, -g, -t *must* be specified; run with -h for help"); + exit(Hitomezashi_Cli_Exit_Code_Err_Handle_Args); + } } - - |