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-rw-r--r--src/common/file_util.cpp93
-rw-r--r--src/common/file_util.h63
2 files changed, 57 insertions, 99 deletions
diff --git a/src/common/file_util.cpp b/src/common/file_util.cpp
index 493a81e01..7213abe18 100644
--- a/src/common/file_util.cpp
+++ b/src/common/file_util.cpp
@@ -2,7 +2,6 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
-#include <sstream>
#include "common/assert.h"
#include "common/common_funcs.h"
#include "common/common_paths.h"
@@ -387,7 +386,7 @@ u64 GetSize(FILE* f) {
bool CreateEmptyFile(const std::string& filename) {
LOG_TRACE(Common_Filesystem, "{}", filename);
- if (!FileUtil::IOFile(filename, "wb").IsOpen()) {
+ if (!FileUtil::IOFile(filename, "wb")) {
LOG_ERROR(Common_Filesystem, "failed {}: {}", filename, GetLastErrorMsg());
return false;
}
@@ -751,7 +750,7 @@ size_t WriteStringToFile(bool text_file, const std::string& str, const char* fil
size_t ReadFileToString(bool text_file, const char* filename, std::string& str) {
IOFile file(filename, text_file ? "r" : "rb");
- if (!file.IsOpen())
+ if (!file)
return false;
str.resize(static_cast<u32>(file.GetSize()));
@@ -800,57 +799,6 @@ void SplitFilename83(const std::string& filename, std::array<char, 9>& short_nam
}
}
-std::vector<std::string> SplitPathComponents(const std::string& filename) {
- auto copy(filename);
- std::replace(copy.begin(), copy.end(), '\\', '/');
- std::vector<std::string> out;
-
- std::stringstream stream(filename);
- std::string item;
- while (std::getline(stream, item, '/'))
- out.push_back(std::move(item));
-
- return out;
-}
-
-std::string GetParentPath(const std::string& path) {
- auto out = path;
- const auto name_bck_index = out.find_last_of('\\');
- const auto name_fwd_index = out.find_last_of('/');
- size_t name_index;
- if (name_bck_index == std::string::npos || name_fwd_index == std::string::npos)
- name_index = std::min<size_t>(name_bck_index, name_fwd_index);
- else
- name_index = std::max<size_t>(name_bck_index, name_fwd_index);
-
- return out.erase(name_index);
-}
-
-std::string GetFilename(std::string path) {
- std::replace(path.begin(), path.end(), '\\', '/');
- auto name_index = path.find_last_of('/');
- if (name_index == std::string::npos)
- return "";
- return path.substr(name_index + 1);
-}
-
-std::string GetExtensionFromFilename(const std::string& name) {
- size_t index = name.find_last_of('.');
- if (index == std::string::npos)
- return "";
-
- return name.substr(index + 1);
-}
-
-std::string RemoveTrailingSlash(const std::string& path) {
- if (path.empty())
- return path;
- if (path.back() == '\\' || path.back() == '/')
- return path.substr(0, path.size() - 1);
-
- return path;
-}
-
IOFile::IOFile() {}
IOFile::IOFile(const std::string& filename, const char openmode[], int flags) {
@@ -872,6 +820,7 @@ IOFile& IOFile::operator=(IOFile&& other) noexcept {
void IOFile::Swap(IOFile& other) noexcept {
std::swap(m_file, other.m_file);
+ std::swap(m_good, other.m_good);
}
bool IOFile::Open(const std::string& filename, const char openmode[], int flags) {
@@ -888,15 +837,16 @@ bool IOFile::Open(const std::string& filename, const char openmode[], int flags)
m_file = fopen(filename.c_str(), openmode);
#endif
- return IsOpen();
+ m_good = IsOpen();
+ return m_good;
}
bool IOFile::Close() {
if (!IsOpen() || 0 != std::fclose(m_file))
- return false;
+ m_good = false;
m_file = nullptr;
- return true;
+ return m_good;
}
u64 IOFile::GetSize() const {
@@ -906,8 +856,11 @@ u64 IOFile::GetSize() const {
return 0;
}
-bool IOFile::Seek(s64 off, int origin) const {
- return IsOpen() && 0 == fseeko(m_file, off, origin);
+bool IOFile::Seek(s64 off, int origin) {
+ if (!IsOpen() || 0 != fseeko(m_file, off, origin))
+ m_good = false;
+
+ return m_good;
}
u64 IOFile::Tell() const {
@@ -918,20 +871,26 @@ u64 IOFile::Tell() const {
}
bool IOFile::Flush() {
- return IsOpen() && 0 == std::fflush(m_file);
+ if (!IsOpen() || 0 != std::fflush(m_file))
+ m_good = false;
+
+ return m_good;
}
bool IOFile::Resize(u64 size) {
- return IsOpen() && 0 ==
+ if (!IsOpen() || 0 !=
#ifdef _WIN32
- // ector: _chsize sucks, not 64-bit safe
- // F|RES: changed to _chsize_s. i think it is 64-bit safe
- _chsize_s(_fileno(m_file), size)
+ // ector: _chsize sucks, not 64-bit safe
+ // F|RES: changed to _chsize_s. i think it is 64-bit safe
+ _chsize_s(_fileno(m_file), size)
#else
- // TODO: handle 64bit and growing
- ftruncate(fileno(m_file), size)
+ // TODO: handle 64bit and growing
+ ftruncate(fileno(m_file), size)
#endif
- ;
+ )
+ m_good = false;
+
+ return m_good;
}
} // namespace FileUtil
diff --git a/src/common/file_util.h b/src/common/file_util.h
index 9bb3c4109..5bc7fbf7c 100644
--- a/src/common/file_util.h
+++ b/src/common/file_util.h
@@ -150,31 +150,6 @@ size_t ReadFileToString(bool text_file, const char* filename, std::string& str);
void SplitFilename83(const std::string& filename, std::array<char, 9>& short_name,
std::array<char, 4>& extension);
-// Splits the path on '/' or '\' and put the components into a vector
-// i.e. "C:\Users\Yuzu\Documents\save.bin" becomes {"C:", "Users", "Yuzu", "Documents", "save.bin" }
-std::vector<std::string> SplitPathComponents(const std::string& filename);
-
-// Gets all of the text prior to the last '/' or '\' in the path.
-std::string GetParentPath(const std::string& path);
-
-// Gets the filename of the path
-std::string GetFilename(std::string path);
-
-// Gets the extension of the filename
-std::string GetExtensionFromFilename(const std::string& name);
-
-// Removes the final '/' or '\' if one exists
-std::string RemoveTrailingSlash(const std::string& path);
-
-// Creates a new vector containing indices [first, last) from the original.
-template <typename T>
-std::vector<T> SliceVector(const std::vector<T>& vector, size_t first, size_t last) {
- if (first >= last)
- return {};
- last = std::min<size_t>(last, vector.size());
- return std::vector<T>(vector.begin() + first, vector.begin() + first + last);
-}
-
// simple wrapper for cstdlib file functions to
// hopefully will make error checking easier
// and make forgetting an fclose() harder
@@ -197,27 +172,41 @@ public:
bool Close();
template <typename T>
- size_t ReadArray(T* data, size_t length) const {
+ size_t ReadArray(T* data, size_t length) {
static_assert(std::is_trivially_copyable<T>(),
"Given array does not consist of trivially copyable objects");
- if (!IsOpen())
+ if (!IsOpen()) {
+ m_good = false;
return -1;
+ }
- return std::fread(data, sizeof(T), length, m_file);
+ size_t items_read = std::fread(data, sizeof(T), length, m_file);
+ if (items_read != length)
+ m_good = false;
+
+ return items_read;
}
template <typename T>
size_t WriteArray(const T* data, size_t length) {
static_assert(std::is_trivially_copyable<T>(),
"Given array does not consist of trivially copyable objects");
- if (!IsOpen())
+
+ if (!IsOpen()) {
+ m_good = false;
return -1;
- return std::fwrite(data, sizeof(T), length, m_file);
+ }
+
+ size_t items_written = std::fwrite(data, sizeof(T), length, m_file);
+ if (items_written != length)
+ m_good = false;
+
+ return items_written;
}
template <typename T>
- size_t ReadBytes(T* data, size_t length) const {
+ size_t ReadBytes(T* data, size_t length) {
static_assert(std::is_trivially_copyable<T>(), "T must be trivially copyable");
return ReadArray(reinterpret_cast<char*>(data), length);
}
@@ -242,7 +231,15 @@ public:
return nullptr != m_file;
}
- bool Seek(s64 off, int origin) const;
+ // m_good is set to false when a read, write or other function fails
+ bool IsGood() const {
+ return m_good;
+ }
+ explicit operator bool() const {
+ return IsGood();
+ }
+
+ bool Seek(s64 off, int origin);
u64 Tell() const;
u64 GetSize() const;
bool Resize(u64 size);
@@ -250,11 +247,13 @@ public:
// clear error state
void Clear() {
+ m_good = true;
std::clearerr(m_file);
}
private:
std::FILE* m_file = nullptr;
+ bool m_good = true;
};
} // namespace FileUtil
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 23:43:27 +0100