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#include "file.h"
#include "utils/log.h"
#include "utils/memory.h"
#include <stdio.h>
#include <string.h>
size_t fileCodes_capacity = 0;
char **fileCodes = NULL;
char **fileCodes_names = NULL;
size_t fileCodes_length = 0;
void fileInit() {
fileCodes_capacity = 0;
fileCodes = a404m_malloc(fileCodes_capacity * sizeof(*fileCodes));
fileCodes_names = a404m_malloc(fileCodes_capacity * sizeof(*fileCodes_names));
fileCodes_length = 0;
}
void fileDelete() {
fileCodes_capacity = 0;
for (size_t i = 0; i < fileCodes_length; ++i) {
free(fileCodes[i]);
free(fileCodes_names[i]);
}
free(fileCodes);
free(fileCodes_names);
fileCodes_length = 0;
}
void filePush(const char *filePath, char *code) {
if (fileCodes_capacity == fileCodes_length) {
fileCodes_capacity += fileCodes_capacity / 2 + 1;
fileCodes =
a404m_realloc(fileCodes, fileCodes_capacity * sizeof(*fileCodes));
fileCodes_names = a404m_realloc(
fileCodes_names, fileCodes_capacity * sizeof(*fileCodes_names));
}
fileCodes[fileCodes_length] = code;
fileCodes_names[fileCodes_length] =
a404m_malloc((strlen(filePath) + 1) * sizeof(**fileCodes_names));
strcpy(fileCodes_names[fileCodes_length], filePath);
fileCodes_length += 1;
}
char *readWholeFile(const char *filePath) {
const size_t index = getFileIndex(filePath);
if (index != fileCodes_length) {
return fileCodes[index];
}
FILE *file = fopen(filePath, "r");
if (!file) {
printLog("Can't open file '%s'", filePath);
return NULL;
}
fseek(file, 0, SEEK_END);
const size_t file_size = ftell(file);
fseek(file, 0, SEEK_SET);
char *str = a404m_malloc((file_size + 1) * sizeof(*str));
fread(str, file_size, 1, file);
str[file_size] = '\0';
fclose(file);
filePush(filePath, str);
return str;
}
size_t getFileIndex(const char *filePath) {
for (size_t i = 0; i < fileCodes_length; ++i) {
const char *str = fileCodes_names[i];
if (strcmp(filePath, str) == 0) {
return i;
}
}
return fileCodes_length;
}
char *joinToPathOf(const char *original, const char *file) {
size_t result_size = 0;
for (size_t i = 0; original[i] != '\0'; ++i) {
if (original[i] == '/') {
result_size = i;
}
}
char *result =
a404m_malloc((result_size + 1 + strlen(file) + 1) * sizeof(*result));
strncpy(result, original, result_size);
result[result_size++] = '/';
for (size_t i = 0; file[i] != '\0'; ++i) {
if (result_size != 0 && result[result_size - 1] == '/' &&
file[i + 1] == '.') {
if (file[i + 2] == '/') {
i += 2;
continue;
} else if (file[i + 2] == '.' && file[i + 3] == '/') {
bool found = false;
for (size_t j = i - 2; j != -1ULL; --j) {
if (result[j] == '/') {
result_size = j;
found = true;
break;
}
}
if (!found) {
result_size = 0;
result[result_size++] = '.';
result[result_size++] = '.';
result[result_size++] = '/';
}
continue;
}
}
result[result_size++] = file[i];
}
result[result_size++] = '\0';
result = a404m_realloc(result, result_size);
return result;
}
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