summaryrefslogtreecommitdiffstats
path: root/src/common/string_util.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/common/string_util.cpp')
-rw-r--r--src/common/string_util.cpp134
1 files changed, 6 insertions, 128 deletions
diff --git a/src/common/string_util.cpp b/src/common/string_util.cpp
index c9a5425a7..731d1db34 100644
--- a/src/common/string_util.cpp
+++ b/src/common/string_util.cpp
@@ -5,6 +5,7 @@
#include <algorithm>
#include <cctype>
#include <cerrno>
+#include <codecvt>
#include <cstdio>
#include <cstdlib>
#include <cstring>
@@ -13,11 +14,7 @@
#include "common/string_util.h"
#ifdef _WIN32
-#include <codecvt>
#include <windows.h>
-#include "common/common_funcs.h"
-#else
-#include <iconv.h>
#endif
namespace Common {
@@ -195,11 +192,9 @@ std::string ReplaceAll(std::string result, const std::string& src, const std::st
return result;
}
-#ifdef _WIN32
-
std::string UTF16ToUTF8(const std::u16string& input) {
-#if _MSC_VER >= 1900
- // Workaround for missing char16_t/char32_t instantiations in MSVC2015
+#ifdef _MSC_VER
+ // Workaround for missing char16_t/char32_t instantiations in MSVC2017
std::wstring_convert<std::codecvt_utf8_utf16<__int16>, __int16> convert;
std::basic_string<__int16> tmp_buffer(input.cbegin(), input.cend());
return convert.to_bytes(tmp_buffer);
@@ -210,8 +205,8 @@ std::string UTF16ToUTF8(const std::u16string& input) {
}
std::u16string UTF8ToUTF16(const std::string& input) {
-#if _MSC_VER >= 1900
- // Workaround for missing char16_t/char32_t instantiations in MSVC2015
+#ifdef _MSC_VER
+ // Workaround for missing char16_t/char32_t instantiations in MSVC2017
std::wstring_convert<std::codecvt_utf8_utf16<__int16>, __int16> convert;
auto tmp_buffer = convert.from_bytes(input);
return std::u16string(tmp_buffer.cbegin(), tmp_buffer.cend());
@@ -221,6 +216,7 @@ std::u16string UTF8ToUTF16(const std::string& input) {
#endif
}
+#ifdef _WIN32
static std::wstring CPToUTF16(u32 code_page, const std::string& input) {
const auto size =
MultiByteToWideChar(code_page, 0, input.data(), static_cast<int>(input.size()), nullptr, 0);
@@ -261,124 +257,6 @@ std::wstring UTF8ToUTF16W(const std::string& input) {
return CPToUTF16(CP_UTF8, input);
}
-std::string SHIFTJISToUTF8(const std::string& input) {
- return UTF16ToUTF8(CPToUTF16(932, input));
-}
-
-std::string CP1252ToUTF8(const std::string& input) {
- return UTF16ToUTF8(CPToUTF16(1252, input));
-}
-
-#else
-
-template <typename T>
-static std::string CodeToUTF8(const char* fromcode, const std::basic_string<T>& input) {
- iconv_t const conv_desc = iconv_open("UTF-8", fromcode);
- if ((iconv_t)(-1) == conv_desc) {
- LOG_ERROR(Common, "Iconv initialization failure [{}]: {}", fromcode, strerror(errno));
- iconv_close(conv_desc);
- return {};
- }
-
- const std::size_t in_bytes = sizeof(T) * input.size();
- // Multiply by 4, which is the max number of bytes to encode a codepoint
- const std::size_t out_buffer_size = 4 * in_bytes;
-
- std::string out_buffer(out_buffer_size, '\0');
-
- auto src_buffer = &input[0];
- std::size_t src_bytes = in_bytes;
- auto dst_buffer = &out_buffer[0];
- std::size_t dst_bytes = out_buffer.size();
-
- while (0 != src_bytes) {
- std::size_t const iconv_result =
- iconv(conv_desc, (char**)(&src_buffer), &src_bytes, &dst_buffer, &dst_bytes);
-
- if (static_cast<std::size_t>(-1) == iconv_result) {
- if (EILSEQ == errno || EINVAL == errno) {
- // Try to skip the bad character
- if (0 != src_bytes) {
- --src_bytes;
- ++src_buffer;
- }
- } else {
- LOG_ERROR(Common, "iconv failure [{}]: {}", fromcode, strerror(errno));
- break;
- }
- }
- }
-
- std::string result;
- out_buffer.resize(out_buffer_size - dst_bytes);
- out_buffer.swap(result);
-
- iconv_close(conv_desc);
-
- return result;
-}
-
-std::u16string UTF8ToUTF16(const std::string& input) {
- iconv_t const conv_desc = iconv_open("UTF-16LE", "UTF-8");
- if ((iconv_t)(-1) == conv_desc) {
- LOG_ERROR(Common, "Iconv initialization failure [UTF-8]: {}", strerror(errno));
- iconv_close(conv_desc);
- return {};
- }
-
- const std::size_t in_bytes = sizeof(char) * input.size();
- // Multiply by 4, which is the max number of bytes to encode a codepoint
- const std::size_t out_buffer_size = 4 * sizeof(char16_t) * in_bytes;
-
- std::u16string out_buffer(out_buffer_size, char16_t{});
-
- char* src_buffer = const_cast<char*>(&input[0]);
- std::size_t src_bytes = in_bytes;
- char* dst_buffer = (char*)(&out_buffer[0]);
- std::size_t dst_bytes = out_buffer.size();
-
- while (0 != src_bytes) {
- std::size_t const iconv_result =
- iconv(conv_desc, &src_buffer, &src_bytes, &dst_buffer, &dst_bytes);
-
- if (static_cast<std::size_t>(-1) == iconv_result) {
- if (EILSEQ == errno || EINVAL == errno) {
- // Try to skip the bad character
- if (0 != src_bytes) {
- --src_bytes;
- ++src_buffer;
- }
- } else {
- LOG_ERROR(Common, "iconv failure [UTF-8]: {}", strerror(errno));
- break;
- }
- }
- }
-
- std::u16string result;
- out_buffer.resize(out_buffer_size - dst_bytes);
- out_buffer.swap(result);
-
- iconv_close(conv_desc);
-
- return result;
-}
-
-std::string UTF16ToUTF8(const std::u16string& input) {
- return CodeToUTF8("UTF-16LE", input);
-}
-
-std::string CP1252ToUTF8(const std::string& input) {
- // return CodeToUTF8("CP1252//TRANSLIT", input);
- // return CodeToUTF8("CP1252//IGNORE", input);
- return CodeToUTF8("CP1252", input);
-}
-
-std::string SHIFTJISToUTF8(const std::string& input) {
- // return CodeToUTF8("CP932", input);
- return CodeToUTF8("SJIS", input);
-}
-
#endif
std::string StringFromFixedZeroTerminatedBuffer(const char* buffer, std::size_t max_len) {