102 lines
3.3 KiB
C
102 lines
3.3 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "asset_file.h"
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#include "errors.h"
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int main(int argc, char *argv[])
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{
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int exit_status = EXIT_FAILURE;
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FILE *output_asset_file = NULL;
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// Verify arguments minimum number.
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if(argc < 3)
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{
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puts("\033[33musage\033[m: asset_builder output_file input_file [input_file_2 ...]");
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goto end;
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}
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// Header size and content.
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asset_file_header_t asset_file_header;
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asset_file_header.assets_number = argc - 2;
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asset_file_header.header_size = sizeof(asset_file_header.assets_number) + sizeof(uint32_t) * asset_file_header.assets_number;
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asset_file_header.assets_header_def = calloc(asset_file_header.assets_number, sizeof(asset_header_def_t));
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if(!asset_file_header.assets_header_def)
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{
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error_printf("Failed to allocate memory.");
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goto end;
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}
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// Set assets name.
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for(uint32_t i = 0; i < asset_file_header.assets_number; i++)
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{
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const char *file_name = argv[i + 2];
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const char *file_name_last_slash = strrchr(file_name, '/');
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const char *file_base_name = file_name_last_slash ? file_name_last_slash + 1 : file_name;
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const char *file_name_dot = strrchr(file_name, '.');
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const char *file_name_ext = file_name_dot ? file_name_dot + 1 : file_name;
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size_t asset_name_length = strlen(file_base_name) - strlen(file_name_ext);
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asset_file_header.assets_header_def[i].name = malloc(asset_name_length);
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asset_file_header.assets_header_def[i].name[asset_name_length - 1] = '\0';
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strncpy(asset_file_header.assets_header_def[i].name, file_base_name, asset_name_length - 1);
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// Update header size.
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asset_file_header.header_size += asset_name_length;
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}
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// Parse input files to create header structure and fill output file.
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output_asset_file = fopen(argv[1], "wb");
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if(!output_asset_file)
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{
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error_printf("could not create output file.");
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goto end;
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}
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for(uint32_t i = 0; i < asset_file_header.assets_number; i++)
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{
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if(parse_file_for_header(argv[i + 2], &asset_file_header.assets_header_def[i])) return_failure_int;
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// Calculate absolute position of assets in the file.
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if(i) asset_file_header.assets_header_def[i].start = asset_file_header.assets_header_def[i - 1].end;
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else asset_file_header.assets_header_def[0].start = asset_file_header.header_size;
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asset_file_header.assets_header_def[i].end += asset_file_header.assets_header_def[i].start;
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}
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if(write_header_to_file(&asset_file_header, output_asset_file))
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{
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error_printf("Failed to write to output file : %d", errno);
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goto end;
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}
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for(uint32_t i = 0; i < asset_file_header.assets_number; i++)
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{
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if(parse_file_for_content_and_write(argv[i + 2], output_asset_file)) return_failure_int;
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}
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exit_status = EXIT_SUCCESS;
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end:
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if(asset_file_header.assets_header_def)
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{
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for(uint32_t i = 0; i < asset_file_header.assets_number; i++)
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{
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if(asset_file_header.assets_header_def[i].name)
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{
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free(asset_file_header.assets_header_def[i].name);
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}
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}
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free(asset_file_header.assets_header_def);
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}
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if(output_asset_file)
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fclose(output_asset_file);
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return exit_status;
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}
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