version 2.98.0

remove PIFile::readLine()
partially migrate PIConfig to text stream
add more "override"

libs/main/io_devices/pifile.cpp

@@ -20,6 +20,7 @@
 #include "piincludes_p.h"
 #include "pifile.h"
 #include "pidir.h"
+#include "piiostream.h"
 #include "pitime_win.h"
 #ifdef WINDOWS
 #  undef S_IFDIR
@@ -229,24 +230,6 @@ bool PIFile::closeDevice() {
 }
 
 
-PIString PIFile::readLine() {
-	PIByteArray str;
-	if (isClosed()) return str;
-	int cc;
-	while (!isEnd()) {
-		cc = fgetc(PRIVATE->fd);
-		if (char(cc) == '\n' || cc == EOF) break;
-		str.push_back(char(cc));
-	}
-	str.push_back('\0');
-	if (defaultCharset()) {
-		return PIString::fromCodepage((const char *)str.data(), defaultCharset());
-	}
-	//cout << "readline: " << str << endl;
-	return PIString::fromUTF8(str);
-}
-
-
 llong PIFile::readAll(void * data) {
 	llong cp = pos(), s = size(), i = -1;
 	seekToBegin();
@@ -371,7 +354,6 @@ void PIFile::_init() {
 	PRIVATE->fd = 0;
 	fdi = -1;
 	_size = -1;
-	setPrecision(5);
 }
 
 
@@ -405,7 +387,8 @@ void PIFile::seekToEnd() {
 void PIFile::seekToLine(llong line) {
 	if (isClosed()) return;
 	seekToBegin();
-	piForTimes(line) readLine();
+	PIIOTextStream ts(this);
+	piForTimes (line) ts.readLine();
 	clearerr(PRIVATE->fd);
 }
 
@@ -444,13 +427,6 @@ bool PIFile::isEnd() const {
 }
 
 
-void PIFile::setPrecision(int prec) {
-	prec_ = prec;
-	if (prec_ >= 0) prec_str = "." + PIString::fromNumber(prec_);
-	else prec_str = "";
-}
-
-
 PIFile & PIFile::put(const PIByteArray & v) {
 	int sz = (int)v.size_s();
 	write(createMemoryBlock(&sz));
@@ -500,16 +476,6 @@ void PIFile::remove() {
 
 
 
-const char * PIFile::defaultCharset() {
-	return PIInit::instance()->file_charset;
-}
-
-
-void PIFile::setDefaultCharset(const char * c) {
-	PIInit::instance()->setFileCharset(c);
-}
-
-
 
 PIFile::FileInfo PIFile::fileInfo(const PIString & path) {
 	FileInfo ret;