git-svn-id: svn://db.shs.com.ru/pip@632 12ceb7fc-bf1f-11e4-8940-5bc7170c53b5

2018-09-27 10:11:21 +00:00
parent 9b92720b61
commit 08592aae9a
50 changed files with 70 additions and 19 deletions
--- a/src_main/io_devices/piiostring.h
+++ b/src_main/io_devices/piiostring.h
@@ -0,0 +1,85 @@
+/*! \file piiostring.h
+ * \brief PIIODevice wrapper around PIString
+*/
+/*
+    PIP - Platform Independent Primitives
+    PIIODevice wrapper around PIString
+    Copyright (C) 2018  Ivan Pelipenko peri4ko@yandex.ru
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef PIIOSTRING_H
+#define PIIOSTRING_H
+
+#include "piiodevice.h"
+
+
+class PIP_EXPORT PIIOString: public PIIODevice
+{
+	PIIODEVICE(PIIOString)
+public:
+	
+	//! Contructs %PIIOString with \"string\" content and \"mode\" open mode
+	explicit PIIOString(PIString * string = 0, PIIODevice::DeviceMode mode = PIIODevice::ReadWrite);
+	
+	//! Contructs %PIIOString with \"string\" content only for read
+	explicit PIIOString(const PIString & string);
+	
+	~PIIOString() {closeDevice();}
+	
+	//! Returns content
+	PIString * string() const {return str;}
+	
+	//! Clear content string
+	void clear() {if (str) str->clear(); pos = 0;}
+	
+	//! Open \"string\" content with \"mode\" open mode
+	bool open(PIString * string, PIIODevice::DeviceMode mode = PIIODevice::ReadWrite);
+	
+	//! Open \"string\" content only for read
+	bool open(const PIString & string);
+	
+	//! Returns if position is at the end of content
+	bool isEnd() const {if (!str) return true; return pos >= str->size_s();}
+	
+	
+	//! Move read/write position to \"position\"
+	void seek(llong position) {pos = position;}
+	
+	//! Move read/write position to the begin of the string
+	void seekToBegin() {if (str) pos = 0;}
+	
+	//! Move read/write position to the end of the string
+	void seekToEnd() {if (str) pos = str->size_s();}
+	
+	
+	//! Read one text line and return it
+	PIString readLine();
+	
+	//! Insert string \"string\" into content at current position
+	int writeString(const PIString & string);
+	
+protected:
+	bool openDevice();
+	int readDevice(void * read_to, int max_size);
+	int writeDevice(const void * data, int max_size);
+	DeviceInfoFlags deviceInfoFlags() const {return PIIODevice::Sequential | PIIODevice::Reliable;}
+
+	ssize_t pos;
+	PIString * str;
+
+};
+
+#endif // PIIOSTRING_H