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Reduce code duplication in FileAccess

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This commit is contained in:
BlueCube3310
2024-05-20 18:07:27 +02:00
parent 61598c5c88
commit 205a10e0ae
24 changed files with 61 additions and 692 deletions
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42
core/io/file_access_encrypted.cpp
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@ -206,26 +206,13 @@ bool FileAccessEncrypted::eof_reached() const {
return eofed;
}
uint8_t FileAccessEncrypted::get_8() const {
ERR_FAIL_COND_V_MSG(writing, 0, "File has not been opened in read mode.");
if (pos >= get_length()) {
eofed = true;
return 0;
}
uint8_t b = data[pos];
pos++;
return b;
}
uint64_t FileAccessEncrypted::get_buffer(uint8_t *p_dst, uint64_t p_length) const {
ERR_FAIL_COND_V(!p_dst && p_length > 0, -1);
ERR_FAIL_COND_V_MSG(writing, -1, "File has not been opened in read mode.");
uint64_t to_copy = MIN(p_length, get_length() - pos);
for (uint64_t i = 0; i < to_copy; i++) {
p_dst[i] = data[pos++];
}
memcpy(p_dst, data.ptr() + pos, to_copy);
pos += to_copy;
if (to_copy < p_length) {
eofed = true;
@ -242,17 +229,12 @@ void FileAccessEncrypted::store_buffer(const uint8_t *p_src, uint64_t p_length)
ERR_FAIL_COND_MSG(!writing, "File has not been opened in write mode.");
ERR_FAIL_COND(!p_src && p_length > 0);
if (pos < get_length()) {
for (uint64_t i = 0; i < p_length; i++) {
store_8(p_src[i]);
}
} else if (pos == get_length()) {
if (pos + p_length >= get_length()) {
data.resize(pos + p_length);
for (uint64_t i = 0; i < p_length; i++) {
data.write[pos + i] = p_src[i];
}
pos += p_length;
}
memcpy(data.ptrw() + pos, p_src, p_length);
pos += p_length;
}
void FileAccessEncrypted::flush() {
@ -261,18 +243,6 @@ void FileAccessEncrypted::flush() {
// encrypted files keep data in memory till close()
}
void FileAccessEncrypted::store_8(uint8_t p_dest) {
ERR_FAIL_COND_MSG(!writing, "File has not been opened in write mode.");
if (pos < get_length()) {
data.write[pos] = p_dest;
pos++;
} else if (pos == get_length()) {
data.push_back(p_dest);
pos++;
}
}
bool FileAccessEncrypted::file_exists(const String &p_name) {
Ref<FileAccess> fa = FileAccess::open(p_name, FileAccess::READ);
if (fa.is_null()) {