From 5d7ad3933bc2de69c2b7d09791adf305de019d8a Mon Sep 17 00:00:00 2001
From: Alexis211 <alexis211@gmail.com>
Date: Sun, 20 Sep 2009 16:09:38 +0200
Subject: Implemented FileVT.

---
 Source/Kernel/Core/kmain.wtf.cpp         |   2 +-
 Source/Kernel/Makefile                   |   1 +
 Source/Kernel/Melon.ke                   | Bin 158594 -> 159305 bytes
 Source/Kernel/Ressources/Texts/Info.txt  |   2 +-
 Source/Kernel/VTManager/FileVT.class.cpp |  62 +++++++++++++++++++++++++++++++
 Source/Kernel/VTManager/FileVT.class.h   |  24 ++++++++++++
 Source/Kernel/VTManager/PipeVT.class.cpp |   2 +-
 7 files changed, 90 insertions(+), 3 deletions(-)
 create mode 100644 Source/Kernel/VTManager/FileVT.class.cpp
 create mode 100644 Source/Kernel/VTManager/FileVT.class.h

(limited to 'Source/Kernel')

diff --git a/Source/Kernel/Core/kmain.wtf.cpp b/Source/Kernel/Core/kmain.wtf.cpp
index 465b2f1..6ccc71e 100644
--- a/Source/Kernel/Core/kmain.wtf.cpp
+++ b/Source/Kernel/Core/kmain.wtf.cpp
@@ -12,7 +12,7 @@
 #include <DeviceManager/Kbd.ns.h>
 #include <DeviceManager/Time.ns.h>
 #include <VTManager/ScrollableVT.class.h>
-#include <VTManager/PipeVT.class.h>
+#include <VTManager/FileVT.class.h>
 #include <MemoryManager/PhysMem.ns.h>
 #include <MemoryManager/PageAlloc.ns.h>
 #include <MemoryManager/GDT.ns.h>
diff --git a/Source/Kernel/Makefile b/Source/Kernel/Makefile
index e8e308d..c870a26 100644
--- a/Source/Kernel/Makefile
+++ b/Source/Kernel/Makefile
@@ -35,6 +35,7 @@ Objects = Core/loader.wtf.o \
 		  VTManager/SimpleVT.class.o \
 		  VTManager/ScrollableVT.class.o \
 		  VTManager/PipeVT.class.o \
+		  VTManager/FileVT.class.o \
 		  VTManager/VirtualTerminal-kbd.proto.o \
 		  VTManager/VT.ns.o \
 		  Library/Bitset.class.o \
diff --git a/Source/Kernel/Melon.ke b/Source/Kernel/Melon.ke
index 1c7b040..703a9c3 100755
Binary files a/Source/Kernel/Melon.ke and b/Source/Kernel/Melon.ke differ
diff --git a/Source/Kernel/Ressources/Texts/Info.txt b/Source/Kernel/Ressources/Texts/Info.txt
index 1a57fc9..56016a2 100644
--- a/Source/Kernel/Ressources/Texts/Info.txt
+++ b/Source/Kernel/Ressources/Texts/Info.txt
@@ -2,4 +2,4 @@ These files were just added here for fun.
 
 Oh, you wanted to know what the wf command meant ?
 Simple : it means Write File. Type 'wf filename' and then enter the
-file's contents, ending with <CRLF>.<CRLF>
+file's contents, ending with <CR>.<CR>
diff --git a/Source/Kernel/VTManager/FileVT.class.cpp b/Source/Kernel/VTManager/FileVT.class.cpp
new file mode 100644
index 0000000..0acc623
--- /dev/null
+++ b/Source/Kernel/VTManager/FileVT.class.cpp
@@ -0,0 +1,62 @@
+#include "FileVT.class.h"
+
+FileVT::FileVT(String filename, u8int mode, FSNode *start, u8int encoding) :
+		m_file(filename, mode, start, encoding), m_buffer() {
+	if (mode != FM_READ) {
+		m_isWriting = true;
+		m_bufferPos = 0;
+	} else {
+	   	m_isWriting = false;
+		m_buffer = m_file.readLine();
+	}
+}
+	
+void FileVT::setCursorCol(u32int col) {
+	if (!m_isWriting) return;
+	while (m_buffer.size() < col) {
+		put(" ");
+	}
+}
+
+void FileVT::put(WChar c, bool updatecsr) {
+	if (!m_isWriting) return;
+	if (c.value == '\n') {
+		m_file.write(m_buffer, true);
+		m_buffer.clear();
+	} else if (c.value == '\t') {
+		u32int nc = (m_buffer.size() + 8) &~(8 - 1);
+		while (m_buffer.size() < nc) put(" ");
+	} else {
+		m_buffer += c;
+	}
+}
+
+Kbd::keypress_t FileVT::getKeypress(bool show, bool block) {
+	Kbd::keypress_t ret;
+	if (m_isWriting) return ret;
+
+	if (m_bufferPos == m_buffer.size()) {
+		ret.hascmd = true;
+		ret.command = KBDC_ENTER;
+		if (m_file.eof()) {
+			m_buffer = ".";
+		} else {
+			m_buffer = m_file.readLine();
+		}
+		m_bufferPos = 0;
+	} else {
+		WChar c = m_buffer[m_bufferPos];
+		m_bufferPos++;
+		if (c.value == '\t') {
+			ret.hascmd = true;
+			ret.command = KBDC_TAB;
+		} else if (c.value == '\b') {
+			ret.hascmd = true;
+			ret.command = KBDC_BACKSPACE;
+		} else {
+			ret.haschar = true;
+			ret.character = c;
+		}
+	}	
+	return ret;
+}
diff --git a/Source/Kernel/VTManager/FileVT.class.h b/Source/Kernel/VTManager/FileVT.class.h
new file mode 100644
index 0000000..61f4d6f
--- /dev/null
+++ b/Source/Kernel/VTManager/FileVT.class.h
@@ -0,0 +1,24 @@
+#ifndef DEF_FILEVT_CLASS_H
+#define DEF_FILEVT_CLASS_H
+
+#include <VFS/TextFile.class.h>
+#include <VTManager/VirtualTerminal.proto.h>
+
+class FileVT : public VirtualTerminal {
+	protected:
+	TextFile m_file;
+	bool m_isWriting;	//True = write only, false = read only
+	String m_buffer;
+	u32int m_bufferPos;
+
+	public:
+	FileVT(String filename, u8int mode = FM_READ, FSNode* start = 0, u8int encoding = UE_UTF8);
+
+	bool isBoxed() { return false; }
+	void setCursorCol(u32int col);
+
+	void put(WChar c, bool updatecsr = true);
+	Kbd::keypress_t getKeypress(bool show = true, bool block = true);
+};
+
+#endif
diff --git a/Source/Kernel/VTManager/PipeVT.class.cpp b/Source/Kernel/VTManager/PipeVT.class.cpp
index bcaa531..10c7e7b 100644
--- a/Source/Kernel/VTManager/PipeVT.class.cpp
+++ b/Source/Kernel/VTManager/PipeVT.class.cpp
@@ -6,7 +6,7 @@ PipeVT::PipeVT() {
 
 void PipeVT::setCursorCol(u32int col) {
 	while (col > m_col) {
-		put(' ');
+		put(" ");
 	}
 }
 
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