//## FILE FILE.new(String path, String mode);
static KMETHOD File_new(KonohaContext *kctx, KonohaStack *sfp)
{
KMakeTrace(trace, sfp);
char buffer[K_PATHMAX];
kString *path = sfp[1].asString;
const char *systemPath = I18NAPI formatSystemPath(kctx, buffer, sizeof(buffer), kString_text(path), kString_size(path), trace);
const char *mode = kString_text(sfp[2].asString);
FILE *fp = fopen(systemPath, mode);
kFile *file = (kFile *) sfp[0].asObject;
if(fp == NULL) {
int fault = KLIB DiagnosisFaultType(kctx, kString_GuessUserFault(path)|SystemError, trace);
KTraceErrorPoint(trace, fault, "fopen",
LogText("filename", kString_text(path)), LogText("mode", mode), LogErrno);
KLIB KRuntime_raise(kctx, KException_("IO"), fault, NULL, sfp);
}
if(mode[0] == 'w' || mode[0] == 'a' || mode[1] == '+') {
KTraceChangeSystemPoint(trace, "fopen", LogFileName(kString_text(path)), LogText("mode", mode));
}
file->fp = fp;
KFieldInit(file, file->PathInfoNULL, path);
if(!I18NAPI isSystemCharsetUTF8(kctx)) {
if(mode[0] == 'w' || mode[0] == 'a' || mode[1] == '+') {
file->writerIconv = I18NAPI iconvUTF8ToSystemCharset(kctx, trace);
}
else {
file->readerIconv = I18NAPI iconvSystemCharsetToUTF8(kctx, trace);
}
}
KReturn(file);
}
static kFile* new_File(KonohaContext *kctx, kArray *gcstack, FILE *fp, const char *pathInfo, size_t len, KTraceInfo *trace)
{
kFile *file = new_(File, fp, gcstack);
file->fp = fp;
KFieldInit(file, file->PathInfoNULL, KLIB new_kString(kctx, OnField, pathInfo, len, StringPolicy_ASCII|StringPolicy_TEXT));
kFile_Set(ChangeLessStream, file, true);
if(!I18NAPI isSystemCharsetUTF8(kctx)) {
if(fp == stdin) {
file->readerIconv = I18NAPI iconvSystemCharsetToUTF8(kctx, trace);
}
else {
file->writerIconv = I18NAPI iconvUTF8ToSystemCharset(kctx, trace);
}
}
return file;
}
//## DIR System.opendir(String path)
static KMETHOD System_opendir(KonohaContext *kctx, KonohaStack *sfp)
{
KMakeTrace(trace, sfp);
char buffer[K_PATHMAX];
kString *path = sfp[1].asString;
const char *systemPath = PLATAPI formatSystemPath(kctx, buffer, sizeof(buffer), S_text(path), S_size(path), trace);
DIR *d = opendir(systemPath);
if(d == NULL) {
int fault = KLIB DiagnosisFaultType(kctx, kString_guessUserFault(path)|SystemError, trace);
KTraceErrorPoint(trace, fault, "opendir", LogText("dirname", S_text(path)), LogErrno);
KLIB KonohaRuntime_raise(kctx, EXPT_("IO"), fault, NULL, sfp);
}
kDir *dir = (kDir *)KLIB new_kObject(kctx, OnStack, KGetReturnType(sfp), (uintptr_t)d);
KFieldSet(dir, dir->PathInfoNULL, path);
if(!PLATAPI isSystemCharsetUTF8(kctx)) {
dir->readerIconv = PLATAPI iconvSystemCharsetToUTF8(kctx, trace);
}
KReturn(dir);
}
static const char *I18N_formatSystemPath(KonohaContext *kctx, char *buf, size_t bufsiz, const char *path, size_t pathsize, KTraceInfo *trace)
{
size_t newsize;
if(!I18NAPI isSystemCharsetUTF8(kctx)) {
uintptr_t ic = I18NAPI iconvSystemCharsetToUTF8(kctx, trace);
int isTooBig;
ICONV_INBUF_CONST char *presentPtrFrom = (ICONV_INBUF_CONST char *)path; // too dirty?
ICONV_INBUF_CONST char **inbuf = &presentPtrFrom;
char **outbuf = &buf;
size_t inBytesLeft = pathsize, outBytesLeft = bufsiz - 1;
I18NAPI iconv_i(kctx, ic, inbuf, &inBytesLeft, outbuf, &outBytesLeft, &isTooBig, trace);
newsize = (bufsiz - 1) - outBytesLeft;
}
else {
DBG_ASSERT(bufsiz > pathsize);
memcpy(buf, path, pathsize);
newsize = pathsize;
}
buf[newsize] = 0;
return (const char *)buf;
}