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Eliminate unnessesary character set conversions in TextFileWriter

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Originally committed to SVN as r4579.
This commit is contained in:
Thomas Goyne 2010-06-24 01:24:32 +00:00
parent 53fb43c7e6
commit d1f36bdc43
3 changed files with 24 additions and 7 deletions
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5
aegisub/src/subtitles_provider_csri.cpp
View file

@ -44,6 +44,7 @@
#include "ass_file.h"
#include "subtitles_provider_csri.h"
#include "text_file_writer.h"
#include "video_context.h"
@ -101,14 +102,14 @@ void CSRISubtitlesProvider::LoadSubtitles(AssFile *subs) {
// Open from memory
if (canOpenMem) {
std::vector<char> data;
subs->SaveMemory(data,_T("UTF-8"));
subs->SaveMemory(data,wxSTRING_ENCODING);
instance = csri_open_mem(renderer,&data[0],data.size(),NULL);
}
// Open from disk
else {
wxString subsFileName = VideoContext::Get()->GetTempWorkFile();
subs->Save(subsFileName,false,false,_T("UTF-8"));
subs->Save(subsFileName,false,false,wxSTRING_ENCODING);
instance = csri_open_file(renderer,subsFileName.mb_str(wxConvUTF8),NULL);
}
}

18
aegisub/src/text_file_writer.cpp
View file

@ -63,7 +63,8 @@ TextFileWriter::TextFileWriter(wxString const& filename, wxString encoding)
}
if (encoding.empty()) encoding = lagi_wxString(OPT_GET("App/Save Charset")->GetString());
conv.reset(new agi::charset::IconvWrapper("utf-8", encoding.c_str(), true));
if (encoding.Lower() != wxSTRING_ENCODING)
conv.reset(new agi::charset::IconvWrapper(wxSTRING_ENCODING, encoding.c_str(), true));
// Write the BOM
try {
@ -88,8 +89,15 @@ TextFileWriter::~TextFileWriter() {
void TextFileWriter::WriteLineToFile(wxString line, bool addLineBreak) {
if (addLineBreak) line += L"\n";
std::string buf = conv->Convert(line.utf8_str().data());
file.write(buf.data(), buf.size());
// On non-windows this cast does nothing
const char *data = reinterpret_cast<const char *>(line.wx_str());
size_t len = line.size() * sizeof(wxStringCharType);
if (conv.get()) {
std::string buf = conv->Convert(std::string(data, len));
file.write(buf.data(), buf.size());
}
else {
file.write(data, len);
}
}

8
aegisub/src/text_file_writer.h
View file

@ -73,3 +73,11 @@ public:
void WriteLineToFile(wxString line, bool addLineBreak=true);
};
#if wxUSE_UNICODE_UTF8
#define wxSTRING_ENCODING "utf-8"
#elif defined(_WIN32)
#define wxSTRING_ENCODING "utf-16le"
#else
#error wx must be built with wxUSE_UNICODE_UTF8
#endif