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-rw-r--r--Source/kwsys/EncodingCXX.cxx277
1 files changed, 277 insertions, 0 deletions
diff --git a/Source/kwsys/EncodingCXX.cxx b/Source/kwsys/EncodingCXX.cxx
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+/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
+ file Copyright.txt or https://cmake.org/licensing#kwsys for details. */
+#ifdef __osf__
+# define _OSF_SOURCE
+# define _POSIX_C_SOURCE 199506L
+# define _XOPEN_SOURCE_EXTENDED
+#endif
+
+#include "kwsysPrivate.h"
+#include KWSYS_HEADER(Encoding.hxx)
+#include KWSYS_HEADER(Encoding.h)
+
+// Work-around CMake dependency scanning limitation. This must
+// duplicate the above list of headers.
+#if 0
+# include "Encoding.h.in"
+# include "Encoding.hxx.in"
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <vector>
+
+#ifdef _MSC_VER
+# pragma warning(disable : 4786)
+#endif
+
+// Windows API.
+#if defined(_WIN32)
+# include <windows.h>
+
+# include <ctype.h>
+# include <shellapi.h>
+#endif
+
+namespace KWSYS_NAMESPACE {
+
+Encoding::CommandLineArguments Encoding::CommandLineArguments::Main(
+ int argc, char const* const* argv)
+{
+#ifdef _WIN32
+ (void)argc;
+ (void)argv;
+
+ int ac;
+ LPWSTR* w_av = CommandLineToArgvW(GetCommandLineW(), &ac);
+
+ std::vector<std::string> av1(ac);
+ std::vector<char const*> av2(ac);
+ for (int i = 0; i < ac; i++) {
+ av1[i] = ToNarrow(w_av[i]);
+ av2[i] = av1[i].c_str();
+ }
+ LocalFree(w_av);
+ return CommandLineArguments(ac, &av2[0]);
+#else
+ return CommandLineArguments(argc, argv);
+#endif
+}
+
+Encoding::CommandLineArguments::CommandLineArguments(int ac,
+ char const* const* av)
+{
+ this->argv_.resize(ac + 1);
+ for (int i = 0; i < ac; i++) {
+ this->argv_[i] = strdup(av[i]);
+ }
+ this->argv_[ac] = KWSYS_NULLPTR;
+}
+
+Encoding::CommandLineArguments::CommandLineArguments(int ac,
+ wchar_t const* const* av)
+{
+ this->argv_.resize(ac + 1);
+ for (int i = 0; i < ac; i++) {
+ this->argv_[i] = kwsysEncoding_DupToNarrow(av[i]);
+ }
+ this->argv_[ac] = KWSYS_NULLPTR;
+}
+
+Encoding::CommandLineArguments::~CommandLineArguments()
+{
+ for (size_t i = 0; i < this->argv_.size(); i++) {
+ free(argv_[i]);
+ }
+}
+
+Encoding::CommandLineArguments::CommandLineArguments(
+ const CommandLineArguments& other)
+{
+ this->argv_.resize(other.argv_.size());
+ for (size_t i = 0; i < this->argv_.size(); i++) {
+ this->argv_[i] = other.argv_[i] ? strdup(other.argv_[i]) : KWSYS_NULLPTR;
+ }
+}
+
+Encoding::CommandLineArguments& Encoding::CommandLineArguments::operator=(
+ const CommandLineArguments& other)
+{
+ if (this != &other) {
+ size_t i;
+ for (i = 0; i < this->argv_.size(); i++) {
+ free(this->argv_[i]);
+ }
+
+ this->argv_.resize(other.argv_.size());
+ for (i = 0; i < this->argv_.size(); i++) {
+ this->argv_[i] = other.argv_[i] ? strdup(other.argv_[i]) : KWSYS_NULLPTR;
+ }
+ }
+
+ return *this;
+}
+
+int Encoding::CommandLineArguments::argc() const
+{
+ return static_cast<int>(this->argv_.size() - 1);
+}
+
+char const* const* Encoding::CommandLineArguments::argv() const
+{
+ return &this->argv_[0];
+}
+
+#if KWSYS_STL_HAS_WSTRING
+
+std::wstring Encoding::ToWide(const std::string& str)
+{
+ std::wstring wstr;
+# if defined(_WIN32)
+ const int wlength = MultiByteToWideChar(
+ KWSYS_ENCODING_DEFAULT_CODEPAGE, 0, str.data(), int(str.size()), NULL, 0);
+ if (wlength > 0) {
+ wchar_t* wdata = new wchar_t[wlength];
+ int r = MultiByteToWideChar(KWSYS_ENCODING_DEFAULT_CODEPAGE, 0, str.data(),
+ int(str.size()), wdata, wlength);
+ if (r > 0) {
+ wstr = std::wstring(wdata, wlength);
+ }
+ delete[] wdata;
+ }
+# else
+ size_t pos = 0;
+ size_t nullPos = 0;
+ do {
+ if (pos < str.size() && str.at(pos) != '\0') {
+ wstr += ToWide(str.c_str() + pos);
+ }
+ nullPos = str.find('\0', pos);
+ if (nullPos != std::string::npos) {
+ pos = nullPos + 1;
+ wstr += wchar_t('\0');
+ }
+ } while (nullPos != std::string::npos);
+# endif
+ return wstr;
+}
+
+std::string Encoding::ToNarrow(const std::wstring& str)
+{
+ std::string nstr;
+# if defined(_WIN32)
+ int length =
+ WideCharToMultiByte(KWSYS_ENCODING_DEFAULT_CODEPAGE, 0, str.c_str(),
+ int(str.size()), NULL, 0, NULL, NULL);
+ if (length > 0) {
+ char* data = new char[length];
+ int r =
+ WideCharToMultiByte(KWSYS_ENCODING_DEFAULT_CODEPAGE, 0, str.c_str(),
+ int(str.size()), data, length, NULL, NULL);
+ if (r > 0) {
+ nstr = std::string(data, length);
+ }
+ delete[] data;
+ }
+# else
+ size_t pos = 0;
+ size_t nullPos = 0;
+ do {
+ if (pos < str.size() && str.at(pos) != '\0') {
+ nstr += ToNarrow(str.c_str() + pos);
+ }
+ nullPos = str.find(wchar_t('\0'), pos);
+ if (nullPos != std::string::npos) {
+ pos = nullPos + 1;
+ nstr += '\0';
+ }
+ } while (nullPos != std::string::npos);
+# endif
+ return nstr;
+}
+
+std::wstring Encoding::ToWide(const char* cstr)
+{
+ std::wstring wstr;
+ size_t length = kwsysEncoding_mbstowcs(KWSYS_NULLPTR, cstr, 0) + 1;
+ if (length > 0) {
+ std::vector<wchar_t> wchars(length);
+ if (kwsysEncoding_mbstowcs(&wchars[0], cstr, length) > 0) {
+ wstr = &wchars[0];
+ }
+ }
+ return wstr;
+}
+
+std::string Encoding::ToNarrow(const wchar_t* wcstr)
+{
+ std::string str;
+ size_t length = kwsysEncoding_wcstombs(KWSYS_NULLPTR, wcstr, 0) + 1;
+ if (length > 0) {
+ std::vector<char> chars(length);
+ if (kwsysEncoding_wcstombs(&chars[0], wcstr, length) > 0) {
+ str = &chars[0];
+ }
+ }
+ return str;
+}
+
+# if defined(_WIN32)
+// Convert local paths to UNC style paths
+std::wstring Encoding::ToWindowsExtendedPath(std::string const& source)
+{
+ std::wstring wsource = Encoding::ToWide(source);
+
+ // Resolve any relative paths
+ DWORD wfull_len;
+
+ /* The +3 is a workaround for a bug in some versions of GetFullPathNameW that
+ * won't return a large enough buffer size if the input is too small */
+ wfull_len = GetFullPathNameW(wsource.c_str(), 0, NULL, NULL) + 3;
+ std::vector<wchar_t> wfull(wfull_len);
+ GetFullPathNameW(wsource.c_str(), wfull_len, &wfull[0], NULL);
+
+ /* This should get the correct size without any extra padding from the
+ * previous size workaround. */
+ wfull_len = static_cast<DWORD>(wcslen(&wfull[0]));
+
+ if (wfull_len >= 2 && isalpha(wfull[0]) &&
+ wfull[1] == L':') { /* C:\Foo\bar\FooBar.txt */
+ return L"\\\\?\\" + std::wstring(&wfull[0]);
+ } else if (wfull_len >= 2 && wfull[0] == L'\\' &&
+ wfull[1] == L'\\') { /* Starts with \\ */
+ if (wfull_len >= 4 && wfull[2] == L'?' &&
+ wfull[3] == L'\\') { /* Starts with \\?\ */
+ if (wfull_len >= 8 && wfull[4] == L'U' && wfull[5] == L'N' &&
+ wfull[6] == L'C' &&
+ wfull[7] == L'\\') { /* \\?\UNC\Foo\bar\FooBar.txt */
+ return std::wstring(&wfull[0]);
+ } else if (wfull_len >= 6 && isalpha(wfull[4]) &&
+ wfull[5] == L':') { /* \\?\C:\Foo\bar\FooBar.txt */
+ return std::wstring(&wfull[0]);
+ } else if (wfull_len >= 5) { /* \\?\Foo\bar\FooBar.txt */
+ return L"\\\\?\\UNC\\" + std::wstring(&wfull[4]);
+ }
+ } else if (wfull_len >= 4 && wfull[2] == L'.' &&
+ wfull[3] == L'\\') { /* Starts with \\.\ a device name */
+ if (wfull_len >= 6 && isalpha(wfull[4]) &&
+ wfull[5] == L':') { /* \\.\C:\Foo\bar\FooBar.txt */
+ return L"\\\\?\\" + std::wstring(&wfull[4]);
+ } else if (wfull_len >=
+ 5) { /* \\.\Foo\bar\ Device name is left unchanged */
+ return std::wstring(&wfull[0]);
+ }
+ } else if (wfull_len >= 3) { /* \\Foo\bar\FooBar.txt */
+ return L"\\\\?\\UNC\\" + std::wstring(&wfull[2]);
+ }
+ }
+
+ // If this case has been reached, then the path is invalid. Leave it
+ // unchanged
+ return Encoding::ToWide(source);
+}
+# endif
+
+#endif // KWSYS_STL_HAS_WSTRING
+
+} // namespace KWSYS_NAMESPACE