mirror of https://github.com/odrling/Aegisub
125 lines
3.7 KiB
C++
125 lines
3.7 KiB
C++
// Copyright (c) 2013, Thomas Goyne <plorkyeran@aegisub.org>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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// Aegisub Project http://www.aegisub.org/
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#include "config.h"
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#include "libaegisub/fs.h"
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#include "libaegisub/access.h"
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#include "libaegisub/charset_conv_win.h"
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#include "libaegisub/exception.h"
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#include "libaegisub/scoped_ptr.h"
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#include "libaegisub/util_win.h"
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using agi::charset::ConvertW;
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using agi::charset::ConvertLocal;
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#include <boost/filesystem.hpp>
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namespace bfs = boost::filesystem;
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#include <versionhelpers.h>
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#undef CreateDirectory
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namespace {
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FINDEX_INFO_LEVELS find_info_level() {
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return IsWindows7OrGreater() ? FindExInfoBasic : FindExInfoStandard;
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}
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}
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namespace agi { namespace fs {
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std::string ShortName(path const& p) {
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std::wstring out(MAX_PATH + 1, 0);
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DWORD len = GetShortPathName(p.c_str(), &out[0], out.size());
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if (!len)
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return p.string();
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out.resize(len);
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return ConvertLocal(out);
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}
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void Touch(path const& file) {
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CreateDirectory(file.parent_path());
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SYSTEMTIME st;
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FILETIME ft;
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GetSystemTime(&st);
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if(!SystemTimeToFileTime(&st, &ft))
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throw EnvironmentError("SystemTimeToFileTime failed with error: " + util::ErrorString(GetLastError()));
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scoped_holder<HANDLE, BOOL (__stdcall *)(HANDLE)>
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h(CreateFile(file.c_str(), GENERIC_WRITE, 0, nullptr, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr), CloseHandle);
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// error handling etc.
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if (!SetFileTime(h, nullptr, nullptr, &ft))
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throw EnvironmentError("SetFileTime failed with error: " + util::ErrorString(GetLastError()));
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}
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void Copy(fs::path const& from, fs::path const& to) {
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acs::CheckFileRead(from);
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CreateDirectory(to.parent_path());
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acs::CheckDirWrite(to.parent_path());
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if (!CopyFile(from.wstring().c_str(), to.wstring().c_str(), false)) {
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switch (GetLastError()) {
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case ERROR_FILE_NOT_FOUND:
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throw FileNotFound(from);
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case ERROR_ACCESS_DENIED:
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throw fs::WriteDenied("Could not overwrite " + to.string());
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default:
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throw fs::WriteDenied("Could not copy: " + util::ErrorString(GetLastError()));
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}
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}
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}
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struct DirectoryIterator::PrivData {
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scoped_holder<HANDLE, BOOL (__stdcall *)(HANDLE)> h;
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PrivData() : h(INVALID_HANDLE_VALUE, FindClose) { }
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};
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DirectoryIterator::DirectoryIterator() { }
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DirectoryIterator::DirectoryIterator(path const& p, std::string const& filter)
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: privdata(new PrivData)
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{
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WIN32_FIND_DATA data;
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privdata->h = FindFirstFileEx((p/(filter.empty() ? "*.*" : filter)).c_str(), find_info_level(), &data, FindExSearchNameMatch, nullptr, 0);
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if (privdata->h == INVALID_HANDLE_VALUE) {
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privdata.reset();
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return;
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}
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value = ConvertW(data.cFileName);
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while (value[0] == '.' && (value[1] == 0 || value[1] == '.'))
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++*this;
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}
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bool DirectoryIterator::operator==(DirectoryIterator const& rhs) const {
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return privdata.get() == rhs.privdata.get();
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}
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DirectoryIterator& DirectoryIterator::operator++() {
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WIN32_FIND_DATA data;
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if (FindNextFile(privdata->h, &data))
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value = ConvertW(data.cFileName);
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else {
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privdata.reset();
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value.clear();
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}
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return *this;
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}
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DirectoryIterator::~DirectoryIterator() { }
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} }
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