Mercurial > msvpvf

annotate src/main.c @ 88:af4ed765c1ac

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*: add IUP GUI a lot simpler than win32, but I assume there's more going on in the background that I don't know about :)
author Paper <paper@tflc.us>
date Mon, 14 Jul 2025 02:39:24 -0400
parents 1acd477da42f
children
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1 #include <stdio.h>
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2 #include <stdint.h>
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3 #include <stdlib.h>
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4 #include <stdarg.h>
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5 #include <string.h>
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6
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7 #include <getopt.h>
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8 #include <libgen.h>
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9
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10 #include "common.h"
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11
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12 static const char *type_extensions[] = {
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13 [TYPES_VF] = "vf",
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14 [TYPES_VEG] = "veg",
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15 };
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16
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17 static const char* help_text =
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18 "msvpvf help text\n"
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19 "author: Paper <paper@tflc.us>\n"
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20 "usage: %s <input>... (arguments)\n"
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21 "\n"
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22 "arguments:\n"
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23 " -t, --type one of [vf,veg] (required)\n"
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24 " -v, --version version to convert to (required)\n"
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25 " -h, --help show this screen (optional)\n";
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26
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27 static struct option options_long[] = {
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28 {"version", required_argument, NULL, 'v'},
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29 {"type", required_argument, NULL, 't'},
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30 {"help", 0, NULL, 'h'},
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31 };
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32
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33 int main(int argc, char *argv[]) {
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34 uint8_t version = 0;
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35 enum types type = TYPES_VEG; /* ...? */
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36
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37 int c;
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38 int option_index = 0;
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39 while ((c = getopt_long(argc, argv, "v:t:h", options_long, &option_index)) != -1) {
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40 /* option argument */
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41 switch (c) {
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42 case 'v':
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43 version = atoi(optarg);
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44 break;
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45 case 't':
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46 if (!strcmp(optarg, "vf")) {
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47 type = TYPES_VF;
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48 } else if (!strcmp(optarg, "veg")) {
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49 type = TYPES_VEG;
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50 } else {
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51 fprintf(stderr, "[ERROR]: Received an invalid type parameter!\n");
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52 printf(help_text, argv[0]);
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53 }
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54
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55 break;
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56 case 'h':
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57 default:
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58 printf(help_text, argv[0]);
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59 break;
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60 }
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61 }
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63 if (argc <= optind) {
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64 fprintf(stderr, "[ERROR]: Missing input file(s)!\n");
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65 printf(help_text, argv[0]);
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66 return 1;
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67 }
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69 if (!version || !type) {
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70 printf(help_text, (argc > 0) ? argv[0] : "msvpvf");
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71 return 1;
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72 }
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74 while (optind < argc) {
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75 const char* input = argv[optind++];
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76 FILE *input_file, *output_file = NULL;
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77 uint8_t file_version = 0;
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78 enum types file_type = TYPES_UNKNOWN;
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80 printf("Input file name: %s\n", input);
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81
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82 /* print information about the input file */
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83 input_file = fopen(input, "rb");
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84 if (!input_file) {
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85 fprintf(stderr, "[ERROR]: Error opening input file %s!\n\n", input);
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86 continue;
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87 }
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89 if (fgetc(input_file) == EOF) {
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90 fprintf(stderr, "[ERROR]: Input file \"%s\" is empty.\n", input);
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91 fclose(input_file);
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92 continue;
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93 }
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94
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95 if (get_file_information(input_file, &file_version, &file_type)) {
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96 fprintf(stderr, "[ERROR]: Failed to get file information for input file \"%s\"!\n", input);
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97 fclose(input_file);
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98 continue;
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99 }
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100
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101 printf("Input file version: %u\n", file_version);
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102 printf("Input file type: %s\n\n", type_names[file_type]);
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103
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104 {
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105 /* open the output file... */
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106 char* basec = str_dup(input);
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107 char* bname = basename(basec);
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108 int ext = strrchr(bname, '.') - bname;
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109
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110 char *output = msvpvf_asprintf("V%u_%.*s.%s", version, ext, bname, type_extensions[type]);
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111 if (!output) {
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112 fprintf(stderr, "[ERROR]: msvpvf_asprintf failed!\n");
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113 free(basec);
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114 free(output);
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115 fclose(input_file);
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116 continue;
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117 }
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118
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119 output_file = fopen(output, "w+b");
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120 if (!output_file) {
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121 fprintf(stderr, "[ERROR]: Failed to open output file %s! Do you have write permissions?\n", output);
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122 free(basec);
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123 free(output);
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124 fclose(input_file);
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125 continue;
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126 }
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128 free(basec);
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129 free(output);
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130 }
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132 copy_file(input_file, output_file);
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133
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134 fflush(stdout);
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135 fclose(input_file);
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136
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137 set_file_information(output_file, version, type);
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138 fclose(output_file);
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139 }
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140
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141 return 0;
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142 }