//## String File.readLine();
static KMETHOD File_readLine(KonohaContext *kctx, KonohaStack *sfp)
{
kFile *file = (kFile *)sfp[0].asObject;
if(file->fp != NULL) {
KBuffer wb;
KLIB KBuffer_Init(&(kctx->stack->cwb), &wb);
int ch, pos = 0, hasUTF8 = false, bufferCount = 0, policy = StringPolicy_ASCII;
char buffer[K_PAGESIZE];
KMakeTrace(trace, sfp);
while((ch = TRACE_fgetc(kctx, file, trace)) != EOF) {
//DBG_P("ch='%c', pos=%d", ch, pos);
if(ch == '\r') continue;
if(ch == '\n') {
if(bufferCount == 0 && (!hasUTF8 || file->readerIconv == ICONV_NULL)) {
KReturn(KLIB new_kString(kctx, OnStack, buffer, pos, policy));
}
break;
}
if(ch > 127) {
hasUTF8 = true;
policy = StringPolicy_UTF8;
}
buffer[pos] = ch; pos++;
if(!(pos < K_PAGESIZE)) {
if(hasUTF8 && file->readerIconv != ICONV_NULL) {
KLIB KBuffer_iconv(kctx, &wb, file->readerIconv, buffer, pos, trace);
}
else {
KLIB KBuffer_Write(kctx, &wb, buffer, pos);
}
bufferCount++;
hasUTF8 = false;
pos = 0;
}
}
if(pos > 0) {
if(hasUTF8 && file->readerIconv != ICONV_NULL) {
KLIB KBuffer_iconv(kctx, &wb, file->readerIconv, buffer, pos, trace);
}
else {
KLIB KBuffer_Write(kctx, &wb, buffer, pos);
}
}
kFile_CheckEOF(kctx, file, trace);
KReturn(KLIB KBuffer_Stringfy(kctx, &wb, OnStack, policy | StringPolicy_FreeKBuffer));
}
else {
KReturn(KNULL(String));
}
}
//## String DIR.readPath()
static KMETHOD DIR_readPath(KonohaContext *kctx, KonohaStack *sfp)
{
kDir *dir = (kDir *)sfp[0].asObject;
if(dir->dirp != NULL) {
KMakeTrace(trace, sfp);
struct dirent entry, *result;
int ret = readdir_r(dir->dirp, &entry, &result);
if(result != NULL) {
char *d_name = result->d_name, delim[2] = {'/', 0};
KBuffer wb;
KLIB KBuffer_Init(&(kctx->stack->cwb), &wb);
KLIB KBuffer_Write(kctx, &wb, kString_text(dir->PathInfoNULL), kString_size(dir->PathInfoNULL));
KLIB KBuffer_Write(kctx, &wb, delim, 1);
if(dir->readerIconv != ICONV_NULL) {
KLIB KBuffer_Write(kctx, &wb, d_name, strlen(d_name));
}
else {
KLIB KBuffer_iconv(kctx, &wb, dir->readerIconv, d_name, strlen(d_name), trace);
}
KReturn(KLIB KBuffer_Stringfy(kctx, &wb, OnStack, StringPolicy_FreeKBuffer));
}
if(ret == -1) {
KTraceErrorPoint(trace, SystemFault, "readdir", LogErrno);
}
kDir_close(kctx, dir);
}
KReturn(KNULL(String));
}
//## String DIR.readFileName()
static KMETHOD DIR_readFileName(KonohaContext *kctx, KonohaStack *sfp)
{
kDir *dir = (kDir *)sfp[0].asObject;
if(dir->dirp != NULL) {
KMakeTrace(trace, sfp);
struct dirent entry, *result;
int ret = readdir_r(dir->dirp, &entry, &result);
if(result != NULL) {
char *d_name = result->d_name;
if(dir->readerIconv == ICONV_NULL) {
KReturn(KLIB new_kString(kctx, OnStack, d_name, strlen(d_name), StringPolicy_SystemInfo));
}
else {
KBuffer wb;
KLIB KBuffer_Init(&(kctx->stack->cwb), &wb);
KLIB KBuffer_iconv(kctx, &wb, dir->readerIconv, d_name, strlen(d_name), trace);
KReturn(KLIB KBuffer_Stringfy(kctx, &wb, OnStack, StringPolicy_FreeKBuffer));
}
}
if(ret == -1) {
KTraceErrorPoint(trace, SystemFault, "readdir", LogErrno);
}
kDir_close(kctx, dir);
}
KReturn(KNULL(String));
}
static void KBuffer_convertCharset(KonohaContext *kctx, KBuffer* wb, const char *targetCharset, const char *sourceCharset, const char *sourceBuf, size_t sourceSize, KTraceInfo *trace)
{
uintptr_t conv = I18NAPI iconv_open_i(kctx, targetCharset, sourceCharset, trace);
if(conv != ICONV_NULL) {
KLIB KBuffer_iconv(kctx, wb, conv, sourceBuf, sourceSize, trace);
I18NAPI iconv_close_i(kctx, conv);
}
}
//## void File.print(String line);
static KMETHOD File_print(KonohaContext *kctx, KonohaStack *sfp)
{
kFile *file = sfp[0].asFile;
kString *line = sfp[1].asString;
KMakeTrace(trace, sfp);
if(file->writerIconv == ICONV_NULL || kString_Is(ASCII, line)) {
TRACE_fwrite(kctx, file, kString_text(line), kString_size(line), trace);
}
else {
KBuffer wb;
KLIB KBuffer_Init(&(kctx->stack->cwb), &wb);
KLIB KBuffer_iconv(kctx, &wb, file->writerIconv, kString_text(line), kString_size(line), trace);
TRACE_fwrite(kctx, file, KLIB KBuffer_text(kctx, &wb, NonZero), KBuffer_bytesize(&wb), trace);
KLIB KBuffer_Free(&wb);
}
}